4: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCSIFBR(r0, 0x8941, &(0x7f0000000280)=@get={0x1, &(0x7f0000000240)=""/2, 0x1}) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$key(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000040)={0x2, 0x4, 0x401, 0x7, 0x26, 0x0, 0x70bd2a, 0x25dfdbfd, [@sadb_lifetime={0x4, 0x3, 0x5, 0x5, 0x1f, 0x5d}, @sadb_spirange={0x2, 0x10, 0x4d6, 0x4d3}, @sadb_ident={0x2, 0xb, 0x6e0, 0x0, 0x100}, @sadb_ident={0x2, 0xb, 0xff, 0x0, 0x2}, @sadb_x_filter={0x5, 0x1a, @in6=@ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, @in=@multicast1=0xe0000001, 0x4, 0x10, 0x10}, @sadb_x_policy={0x8, 0x12, 0x3, 0x1, 0x0, 0x6e6bbc, 0xc604, {0x6, 0xff, 0x7fff, 0x0, 0x0, 0x80000001, 0x0, @in=@multicast2=0xe0000002, @in=@multicast1=0xe0000001}}, @sadb_spirange={0x2, 0x10, 0x4d6, 0x4d6}, @sadb_x_filter={0x5, 0x1a, @in=@multicast1=0xe0000001, @in=@local={0xac, 0x14, 0x14, 0xaa}, 0x15, 0x14}, @sadb_address={0x5, 0x6, 0x0, 0x0, 0x0, @in6={0xa, 0x4e23, 0x0, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, 0x3}}, @sadb_x_nat_t_port={0x1, 0x15, 0x4e20}]}, 0x130}, 0x1}, 0x8040) 2018/04/09 10:17:48 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x2c, &(0x7f0000000080), 0x4) 2018/04/09 10:17:48 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) r2 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f00000000c0)="e4d8f3530be400425f8f980d5ecea005e2227802f593c51fcaf004994705e51e3a2528168e4803d0b77799906c31b2751098bb3bd137dd53e3102d448e70321a28f280b568b3f0d867478f3eef06eda392cc6d2212625186a3fdb6d02699a2d6fac9d95b5cc6bc642c44904c7870f6c83d2e42bce468bac4492681d88fc6cd") ioctl$TIOCNXCL(r1, 0x540d) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req3={0x9, 0x5ef, 0x6, 0x4, 0x7, 0x4, 0x1f94}, 0x1c) mlock2(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x1) pwritev(r2, &(0x7f0000000200)=[{&(0x7f0000000140)="dc566f98c994e076a177e65c4bc1104af371d761e816d8a2fbae978570463a937cc4ff5da4e75ce3b49dc9d4fabcc3cf0374595feaf89ef8fa2303", 0x3b}, {&(0x7f0000000180)="1032cfba578842ad02f42d3eb71fa735087fd91a58976fb5dcb64b60b448541a84de3653aa17916a0b99486a56c471570d88123b254828369621e466ca6bb0d029f37657", 0x44}, {&(0x7f0000000280)="cd7a60901eb9a26e545b1c205f3949f961f88204844778a24032eb51bced77d6e7e83556a41225c0e6ff616a8ff5508a8937a5c1d1a97a84c456b85c77fe1d0a25c3ef1f08464853176a1467389d893a64af3b31b07beb62f2ae08bc8a929880da9dec7480656de58a39e5e95c24ca5f960857963d03f8faa0e067f65f5e716178c2acc7251635658dbf32e7852822524f0d2a85e54c57738bd05638d4879c10b7c0b965788486522dd4a579f8b0ea6be77d48950183d43a0e54e6a99becdfecf3c8f5ca059c48282f76f479e62111eae861b7358db320765f946781716db7fcc81e844eb0", 0xe5}, {&(0x7f0000000380)="241951be95bc908c099f245ee321e1cbde00e1e50813ffccee424cdea1f96ff2dd79af94e0986b2175911d9db4a08a42ebfe169f6b24ec5214269e8d323a6ab42be3cfd8cbdb7a160c777c7cee16214bd5714246caa773cd43de951ba50331391392222459625921960c1b56b53fd2364ded5e70fa8572c2b250f2f73e0168f284f35ee0ba329b2b53", 0x89}], 0x4, 0x0) 2018/04/09 10:17:48 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000200000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:48 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:48 executing program 4: pipe2(&(0x7f0000f61000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000bc8000)={0xaa}) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r1, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time}], 0x30) read(r0, &(0x7f0000000080)=""/126, 0x7e) ioctl$FIONREAD(r1, 0x541b, &(0x7f0000604ffc)) dup2(r1, r2) 2018/04/09 10:17:49 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 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) 2018/04/09 10:17:49 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xc0ffffff) 2018/04/09 10:17:49 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x12, &(0x7f0000000080), 0x4) 2018/04/09 10:17:49 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000000080)) 2018/04/09 10:17:49 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000040000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:49 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0x5, 0x101340) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffff9c, 0x84, 0x7b, &(0x7f0000000040)={0x0, 0x8}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r1, 0x84, 0x6c, &(0x7f00000000c0)={r2, 0xcd, "5fcf89d62a6c06e1d3a6000e913e3190881ce2fba6a38a3856737d7618c7ed9e0b536694854a7601f7eac3a8e6c9b911a5b36d58382905468af882ae1bf6c63f759422450c24ade61de5871e5fc7f2a4cf760c97744e2079d4acee9f325b4882a5d5a3dbdbf78b9142fe9a85341f12c37e93a0b2011202c0dab0a2afc026f5508003ada3889505e9782b5e90490c6e2eb9f9035f7de52acd9813c40728d797f7de754ec06ee14abf4e47ccf4d74d629c6981b363553cf87d38f5750b11b271f6d27652a6eb222f97da94320361"}, &(0x7f00000001c0)=0xd5) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r0, 0x29, 0xd2, &(0x7f00003a4000)={{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, {0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, 0x5c) 2018/04/09 10:17:49 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:49 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000080), 0x3) r2 = socket$packet(0x11, 0x2, 0x300) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffff9c, 0x8933, &(0x7f0000000000)={'vcan0\x00', 0x0}) connect$packet(r2, &(0x7f00000000c0)={0x11, 0x19, r3, 0x1, 0x3a5, 0x6, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x14) 2018/04/09 10:17:49 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000100000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:49 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:49 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x2, &(0x7f0000000080), 0x4) 2018/04/09 10:17:49 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xffffffc0) 2018/04/09 10:17:49 executing program 7 (fault-call:4 fault-nth:0): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:17:49 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x7, 0x0) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0xf9, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x10000, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x2, 0x1}}, 0x0, 0x0, r1, 0x0) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl$KVM_ARM_SET_DEVICE_ADDR(r0, 0x4010aeab, &(0x7f00000000c0)={0x6}) ioctl(r2, 0x1, &(0x7f0000000040)) 2018/04/09 10:17:49 executing program 4: setsockopt$inet6_MRT6_ADD_MFC(0xffffffffffffffff, 0x29, 0xcc, &(0x7f0000000240)={{0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}}, {0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}, 0x5c) setsockopt$RDS_CANCEL_SENT_TO(0xffffffffffffffff, 0x114, 0x1, &(0x7f0000000100)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x18}}, 0x2fa) r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$IP_VS_SO_SET_ADD(r1, 0x0, 0x482, &(0x7f0000000040)={0x2011, @local={0xac, 0x14, 0x14, 0xaa}, 0x0, 0x0, "566c630000000bab000800"}, 0x2c) setsockopt$IP_VS_SO_SET_FLUSH(r1, 0x0, 0x485, 0x0, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000100)="02ddcbe00000400400040000ddffffff", 0x10) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000400)={r0}) r3 = syz_open_procfs(0x0, &(0x7f0000000000)='net/wireless\x00') getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r3, 0x84, 0x1e, &(0x7f00000000c0), &(0x7f0000000100)=0x4) setsockopt$l2tp_PPPOL2TP_SO_SENDSEQ(r3, 0x111, 0x3, 0x0, 0x4) pread64(r3, &(0x7f0000001200)=""/4096, 0x1000, 0x4) mq_timedreceive(r3, &(0x7f0000000140)=""/165, 0xa5, 0x0, &(0x7f0000000200)={0x77359400}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r3, 0x402c5342, &(0x7f0000000040)={0xfffffffffffffe01, 0x374b, 0x0, {0x0, 0x989680}, 0xffff}) r4 = semget$private(0x0, 0x4, 0x0) semctl$IPC_INFO(r4, 0x0, 0x3, &(0x7f00000006c0)=""/174) sendto$ax25(r2, &(0x7f0000000440)="5b9617f54b423fe27a87184d6fb06095630e231fea08109c68803c7c888e282438fe880e49d6eef4dc72028105f573a6990f1cb20d0c0c5867d98be919d89f418a3a59890ec43f8ceb6d054e4a785c2731da59936faab79b3cc971596ab0476ec9c9d86215f04ea8bd871c0c874d1e585824afbd030ece4ebbd9b034adde4ac0c2926fabde77eb0dea402c5a9248b60df63b0d004888c8e55f171ee80c7a61dbcfe7bfd7bd2cfbc37b4f5db12c3eda322903196f051b4363", 0xb8, 0x8000, &(0x7f0000000540)={0x3, {"0b251d74ec7391"}}, 0x10) getsockopt$EBT_SO_GET_INIT_ENTRIES(r3, 0x0, 0x83, &(0x7f0000000640)={'nat\x00', 0x0, 0x3, 0xbc, [], 0x2, &(0x7f0000000380)=[{}, {}], &(0x7f0000000580)=""/188}, &(0x7f00000003c0)=0x78) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f00000b2000), 0x4) getsockopt$inet_pktinfo(r1, 0x0, 0x8, &(0x7f0000000180)={0x0, @multicast2, @multicast2}, &(0x7f0000000500)=0xb) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f0000965fec)={0x0, 0x0, 0xffff}, 0x14) r5 = socket$alg(0x26, 0x5, 0x0) bind$alg(r5, &(0x7f0000ffefa8)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts-twofish-3way\x00'}, 0x58) setsockopt$ALG_SET_KEY(r5, 0x117, 0x1, &(0x7f00003bcfd0)="d3ab27191a01002356ba602dff05000bfef9b9d2a4b20079fffffffffffffe000225070097c11ed4c2c4dc42ff", 0x2d) write(0xffffffffffffffff, &(0x7f00000000c0)="791f7dfde08186d67d777a649298a8fb2ad96c735b539d025e309b4949b81f36919e0bc93e876c5cf313aeda8e6bdb5e", 0x30) recvmsg(0xffffffffffffffff, &(0x7f0000158000)={&(0x7f00002fffa0)=@nfc_llcp, 0x60, &(0x7f0000b9c000)=[{&(0x7f000080f000)=""/4096, 0x1000}], 0x1, &(0x7f0000da2000)}, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f00000002c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffff9c, 0xc0106426, &(0x7f0000000340)={0x2, &(0x7f0000000300)=[{}, {}]}) 2018/04/09 10:17:49 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000400000000000000000000"], 0x38}, 0x0) [ 658.936681] FAULT_INJECTION: forcing a failure. [ 658.936681] name failslab, interval 1, probability 0, space 0, times 0 [ 658.948189] CPU: 0 PID: 15698 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 658.955062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 658.964443] Call Trace: [ 658.967064] dump_stack+0x1b9/0x294 [ 658.970729] ? dump_stack_print_info.cold.2+0x52/0x52 [ 658.975967] should_fail.cold.4+0xa/0x1a [ 658.980066] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:17:49 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000100000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:49 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r0 = openat$mixer(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/mixer\x00', 0x8040, 0x0) setsockopt$llc_int(r0, 0x10c, 0x5, &(0x7f0000000200)=0x5, 0x4) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet_mreq(r1, 0x0, 0x23, &(0x7f0000000180)={@remote={0xac, 0x14, 0x14, 0xbb}}, 0x8) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x2000004, 0x62010, r1, 0x0) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) ioctl$sock_proto_private(r1, 0x89e3, &(0x7f0000000080)="3bebd69c1c73e7218ae2649beff463239412caf357aae921079678867c84c1c90255d893eeb3094668ae0f1e8592a8768316c5586de5bc2c7eca5905ccbcf57974b6000cce9de9e4bb159ab03b3fee106dac756fe1418aa8097ecf34ce6c23aad3f77b857a0a33b6deb09da7a971123cf20179ddee255c9b8a83380d540fa082bac08df1ea290fdef1ed5e53b8fb50a174ab2d44961d2b564a1a917146ba56abe9dd8563d5748297c7c0cbe09893907bba10a9d897a736400fa7f698c8bce405b096cedd12bc07a3a45d1a432740c6aa2a47106043fd1d8cfa") [ 658.985203] ? find_held_lock+0x36/0x1c0 [ 658.989325] ? find_held_lock+0x36/0x1c0 [ 658.993457] ? check_same_owner+0x320/0x320 [ 658.997812] ? rcu_note_context_switch+0x710/0x710 [ 659.002790] should_failslab+0x124/0x180 [ 659.006891] kmem_cache_alloc+0x2af/0x760 [ 659.011090] getname_flags+0xd0/0x5a0 [ 659.014935] do_mkdirat+0xbd/0x2f0 [ 659.018516] ? SyS_mknod+0x40/0x40 [ 659.022095] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 659.026981] ? do_syscall_64+0xb7/0x9d0 [ 659.030994] SyS_mkdir+0x22/0x30 2018/04/09 10:17:49 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000200000000000000000000000000"], 0x38}, 0x0) [ 659.034389] ? SyS_mkdirat+0x30/0x30 [ 659.038130] do_syscall_64+0x29e/0x9d0 [ 659.042047] ? vmalloc_sync_all+0x30/0x30 [ 659.046225] ? _raw_spin_unlock_irq+0x27/0x70 [ 659.050747] ? finish_task_switch+0x1ca/0x820 [ 659.055283] ? syscall_return_slowpath+0x5c0/0x5c0 [ 659.060269] ? syscall_return_slowpath+0x30f/0x5c0 [ 659.065243] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 659.070646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 659.075532] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 659.080746] RIP: 0033:0x455259 2018/04/09 10:17:49 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000040000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:49 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x21, &(0x7f0000000080), 0x4) [ 659.083949] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 659.091689] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 659.098983] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 659.106272] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 659.113560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 659.120847] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000000 2018/04/09 10:17:49 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:49 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r0 = dup(0xffffffffffffffff) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000000080)={0x0, 0x81}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000100)={r1, 0xe90}, &(0x7f0000000140)=0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r3 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) ioctl$sock_SIOCGPGRP(r2, 0x8904, &(0x7f0000000180)=0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xef75, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1}, r4, 0x0, 0xffffffffffffffff, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0, 0x0}, &(0x7f0000000200)=0xc) lstat(&(0x7f0000000280)='./file0\x00', &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setregid(r5, r6) write$evdev(r3, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r3, 0x2286, &(0x7f0000c95ffe)) getsockopt$ax25_int(r3, 0x101, 0xc, &(0x7f0000000340), &(0x7f0000000380)=0x4) [ 659.146815] IPVS: set_ctl: invalid protocol: 8209 172.20.20.170:0 Vlc [ 659.266524] IPVS: set_ctl: invalid protocol: 8209 172.20.20.170:0 Vlc 2018/04/09 10:17:50 executing program 0: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000500)='/dev/rtc\x00', 0x8f39ffee135dcd19, 0x0) ioctl$TUNGETFEATURES(r0, 0x800454cf, &(0x7f0000000000)) getsockopt$llc_int(r0, 0x10c, 0xf, &(0x7f0000000540), &(0x7f0000000580)=0x4) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r2, r2, &(0x7f0000000100), 0x3) 2018/04/09 10:17:50 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x1000e) 2018/04/09 10:17:50 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x33, &(0x7f0000000080), 0x4) 2018/04/09 10:17:50 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:50 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000400000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:50 executing program 7 (fault-call:4 fault-nth: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) 2018/04/09 10:17:50 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) ioctl$sock_SIOCDELDLCI(r1, 0x8981, &(0x7f00000001c0)={'syzkaller0\x00', 0x8}) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0xffffffb0) ioctl(r1, 0x2286, &(0x7f0000000080)="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") setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000000200)=0x87d, 0x4) 2018/04/09 10:17:50 executing program 4: sched_setaffinity(0x0, 0x8, &(0x7f0000a2f000)=0x5) r0 = msgget$private(0x0, 0x6d) msgrcv(r0, &(0x7f0000001480)={0x0, ""/244}, 0xfffffffffffffffe, 0x0, 0x1800) r1 = msgget$private(0x0, 0x1fd) r2 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x2, 0x100) ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(r2, 0xc0405519, &(0x7f0000000040)={0x7, 0x7, 0x3, 0x40, "7adf1544f652c568509a4bf3057df7da87a99a4c7a7b3be6677100a4dd0763c6da48cd3b8f052ffbdc12df52", 0x4}) mount(&(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)='./file0\x00', &(0x7f00000013c0)='nfs4\x00', 0x440, &(0x7f0000001400)="fbfe68395f9d30c935a15299487828695f3e740c7fbe2836c15cfb4730fc683781e9e1b4d78a6f1c7271db4283500460b50b14eead7f196638e451ce23a6946d9044eb2bdb9ce030d55d10e2675afcdd51e4d9b0a06df49f62841e7ad7e11db81f7caaaa9c5193f6b29e23fe7f8f") msgrcv(r0, &(0x7f0000001380)=ANY=[@ANYPTR64=&(0x7f0000000280)=ANY=[@ANYPTR64=&(0x7f0000000200)=ANY=[@ANYPTR, @ANYPTR, @ANYRES64=r1], @ANYRES64, @ANYBLOB="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"], @ANYRES32=r0, @ANYRES16=r1, @ANYPTR=&(0x7f0000001340)=ANY=[@ANYPTR64=&(0x7f00000012c0)=ANY=[@ANYRES16=r0, @ANYPTR64], @ANYRES16=r0, @ANYBLOB="6f64fea8ddbb3527139a1c71f36b2005108bc114500edd2637bd47b30f"]], 0x4, 0x0, 0x0) msgctl$IPC_RMID(r0, 0x0) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000100)={0x3, 0xffffffffffffff9c, 0x1}) ioctl$KVM_GET_VCPU_MMAP_SIZE(r3, 0xae04) setsockopt$llc_int(r3, 0x10c, 0x8, &(0x7f0000000140)=0x8, 0x4) [ 659.409781] FAULT_INJECTION: forcing a failure. [ 659.409781] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 659.421662] CPU: 0 PID: 15764 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 659.428530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 659.437912] Call Trace: [ 659.440536] dump_stack+0x1b9/0x294 [ 659.444205] ? dump_stack_print_info.cold.2+0x52/0x52 [ 659.449432] ? memset+0x31/0x40 [ 659.452754] should_fail.cold.4+0xa/0x1a 2018/04/09 10:17:50 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000200000000000000000000000000000000"], 0x38}, 0x0) [ 659.456842] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 659.461989] ? debug_check_no_locks_freed+0x310/0x310 [ 659.467221] ? perf_tp_event+0xc30/0xc30 [ 659.471319] ? _kstrtoull+0x180/0x230 [ 659.475161] ? _parse_integer+0x190/0x190 [ 659.479347] ? graph_lock+0x170/0x170 [ 659.483176] ? memset+0x31/0x40 [ 659.486491] ? perf_trace_lock_acquire+0x4f1/0x980 [ 659.491469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.497038] ? should_fail+0x21b/0xbcd [ 659.500975] __alloc_pages_nodemask+0x34e/0xd70 [ 659.505689] ? __alloc_pages_slowpath+0x2dc0/0x2dc0 [ 659.510749] ? find_held_lock+0x36/0x1c0 [ 659.514874] ? check_same_owner+0x320/0x320 [ 659.519236] cache_grow_begin+0x72/0x6c0 [ 659.523348] kmem_cache_alloc+0x689/0x760 [ 659.527538] getname_flags+0xd0/0x5a0 [ 659.531497] do_mkdirat+0xbd/0x2f0 [ 659.535078] ? SyS_mknod+0x40/0x40 [ 659.538657] ? ksys_mount+0xa8/0x140 [ 659.542403] ? do_syscall_64+0xb7/0x9d0 [ 659.546413] SyS_mkdir+0x22/0x30 [ 659.549808] ? SyS_mkdirat+0x30/0x30 [ 659.553578] do_syscall_64+0x29e/0x9d0 [ 659.557497] ? vmalloc_sync_all+0x30/0x30 [ 659.561669] ? _raw_spin_unlock_irq+0x27/0x70 [ 659.566195] ? finish_task_switch+0x1ca/0x820 [ 659.570723] ? syscall_return_slowpath+0x5c0/0x5c0 [ 659.575705] ? syscall_return_slowpath+0x30f/0x5c0 [ 659.580672] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 659.586073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 659.590953] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 659.596162] RIP: 0033:0x455259 [ 659.599407] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 659.607149] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 659.614448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 659.621747] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 659.629037] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 659.636337] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000001 2018/04/09 10:17:51 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) flock(r0, 0x8) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) 2018/04/09 10:17:51 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000001000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:51 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:51 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x2e, &(0x7f0000000080), 0x4) 2018/04/09 10:17:51 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f00000000c0)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:17:51 executing program 4: r0 = socket$can_raw(0x1d, 0x3, 0x1) bind$vsock_stream(r0, &(0x7f0000000000)={0x28, 0x0, 0x0, @reserved=0x1}, 0x10) r1 = creat(&(0x7f00000007c0)='./file0/file0\x00', 0xaff292c652443443) bind$vsock_stream(r1, &(0x7f0000000080)={0x28, 0x0, 0x0, @any=0xffffffff}, 0x10) ioctl$DRM_IOCTL_VERSION(r1, 0xc0406400, &(0x7f0000000700)={0x4, 0x0, 0x2, 0x18, &(0x7f0000000600)=""/24, 0xb, &(0x7f0000000640)=""/11, 0x6b, &(0x7f0000000680)=""/107}) syz_open_dev$vcsn(&(0x7f00000005c0)='/dev/vcs#\x00', 0x1, 0x400) setsockopt$IP6T_SO_SET_REPLACE(r1, 0x29, 0x40, &(0x7f0000000100)=@raw={'raw\x00', 0x9, 0x3, 0x408, 0x338, 0xffffffff, 0xffffffff, 0x0, 0xffffffff, 0x338, 0xffffffff, 0xffffffff, 0x338, 0xffffffff, 0x3, &(0x7f00000000c0), {[{{@uncond, 0x0, 0x160, 0x1c8, 0x0, {}, [@common=@unspec=@physdev={0x98, 'physdev\x00', 0x0, {'syzkaller0\x00', {}, 'ip6tnl0\x00', {}, 0x11, 0x1a}}]}, @unspec=@CT1={0x68, 'CT\x00', 0x1, {0x10, 0x80, 0xfffffffffffffffc, 0x401, 'netbios-ns\x00', 'syz1\x00', 0x101}}}, {{@uncond, 0x0, 0x130, 0x170, 0x0, {}, [@common=@unspec=@rateest={0x68, 'rateest\x00', 0x0, {'syzkaller0\x00', 'ip6gre0\x00', 0x8, 0x3, 0xffffffff, 0x1f, 0x9, 0x3, 0x7, 0x8}}]}, @common=@unspec=@RATEEST={0x40, 'RATEEST\x00', 0x0, {'syz1\x00', 0x0, 0x6, 0x77a2}}}], {{[], 0x0, 0xa8, 0xd0}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x468) ioctl$SIOCSIFHWADDR(r1, 0x8924, &(0x7f0000000580)={'rose0\x00', @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xe}}) 2018/04/09 10:17:51 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xf401000000000000) 2018/04/09 10:17:51 executing program 7 (fault-call:4 fault-nth:2): 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) 2018/04/09 10:17:51 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000002000000000000000000"], 0x38}, 0x0) [ 660.255207] FAULT_INJECTION: forcing a failure. [ 660.255207] name failslab, interval 1, probability 0, space 0, times 0 [ 660.267083] CPU: 0 PID: 15789 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 660.273947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 660.283869] Call Trace: [ 660.283982] dump_stack+0x1b9/0x294 [ 660.284010] ? dump_stack_print_info.cold.2+0x52/0x52 [ 660.284050] should_fail.cold.4+0xa/0x1a [ 660.284074] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 660.284108] ? graph_lock+0x170/0x170 [ 660.308505] ? find_held_lock+0x36/0x1c0 [ 660.308533] ? __lock_is_held+0xb5/0x140 [ 660.316682] ? check_same_owner+0x320/0x320 [ 660.321030] ? perf_trace_lock+0x900/0x900 [ 660.325302] ? rcu_note_context_switch+0x710/0x710 [ 660.330264] should_failslab+0x124/0x180 [ 660.334360] kmem_cache_alloc+0x2af/0x760 [ 660.338527] ? do_raw_spin_unlock+0x9e/0x2e0 [ 660.342979] __d_alloc+0xc1/0xc00 [ 660.346462] ? shrink_dcache_for_umount+0x290/0x290 [ 660.351507] ? lock_downgrade+0x8e0/0x8e0 2018/04/09 10:17:51 executing program 4: r0 = getpid() perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) process_vm_writev(r0, &(0x7f0000000900)=[{&(0x7f0000000080)=""/144, 0x90}, {&(0x7f00000001c0)=""/141, 0x8d}, {&(0x7f0000000140)=""/9, 0x9}, {&(0x7f0000000280)=""/218, 0xda}, {&(0x7f0000000380)=""/143, 0x8f}, {&(0x7f0000000440)=""/240, 0xf0}, {&(0x7f0000000540)=""/243, 0xf3}, {&(0x7f0000000640)=""/201, 0xc9}, {&(0x7f0000000800)=""/249, 0xf9}], 0x9, &(0x7f0000002e00)=[{&(0x7f00000019c0)=""/4096, 0x1000}, {&(0x7f0000000740)=""/36, 0x24}, {&(0x7f00000029c0)=""/160, 0xa0}, {&(0x7f0000002a80)=""/145, 0x91}, {&(0x7f0000002b40)=""/141, 0x8d}, {&(0x7f0000002c00)=""/212, 0xd4}, {&(0x7f0000002d00)=""/99, 0x63}, {&(0x7f0000002d80)=""/85, 0x55}, {&(0x7f0000000780)=""/30, 0x1e}], 0x9, 0x0) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000180), &(0x7f00000007c0)=0x4) r2 = getgid() setfsgid(r2) 2018/04/09 10:17:51 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000002000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:51 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xe000100) [ 660.355693] ? kasan_check_read+0x11/0x20 [ 660.359864] ? rcu_is_watching+0x85/0x140 [ 660.364040] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 660.368643] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 660.373851] ? kasan_check_write+0x14/0x20 [ 660.378106] ? do_raw_spin_lock+0xc1/0x200 [ 660.382371] ? dput.part.26+0x242/0x7b0 [ 660.386371] d_alloc+0x8e/0x370 [ 660.389671] ? __d_lookup+0x9c0/0x9c0 [ 660.393496] ? __d_alloc+0xc00/0xc00 [ 660.397230] ? dput+0x24/0x30 [ 660.400342] __lookup_hash+0xd9/0x190 [ 660.404149] filename_create+0x1dd/0x5a0 [ 660.408212] ? kern_path_mountpoint+0x40/0x40 [ 660.412714] ? getname_flags+0xd0/0x5a0 [ 660.416706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.422238] ? getname_flags+0x26e/0x5a0 [ 660.426303] do_mkdirat+0xd2/0x2f0 [ 660.429844] ? SyS_mknod+0x40/0x40 [ 660.433383] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 660.438226] ? do_syscall_64+0xb7/0x9d0 [ 660.442197] SyS_mkdir+0x22/0x30 [ 660.445556] ? SyS_mkdirat+0x30/0x30 [ 660.449264] do_syscall_64+0x29e/0x9d0 [ 660.453156] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 660.457995] ? syscall_return_slowpath+0x5c0/0x5c0 [ 660.462927] ? syscall_return_slowpath+0x30f/0x5c0 [ 660.467857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.473389] ? retint_user+0x18/0x18 [ 660.477106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 660.481957] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 660.487147] RIP: 0033:0x455259 [ 660.490335] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 660.498052] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 2018/04/09 10:17:51 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x32, &(0x7f0000000080), 0x4) [ 660.505318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 660.512583] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 660.519845] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 660.527110] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000002 2018/04/09 10:17:51 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:51 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x25, &(0x7f0000000080), 0x4) 2018/04/09 10:17:51 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000010000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:51 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xe00000000000000) 2018/04/09 10:17:51 executing program 1: r0 = accept$ax25(0xffffffffffffffff, &(0x7f0000000080), &(0x7f00000000c0)=0x10) ioctl$sock_inet_SIOCGIFADDR(r0, 0x8915, &(0x7f0000000100)={'ip6tnl0\x00', {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0xa}}}) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, &(0x7f0000000140)={0x0, r2}) 2018/04/09 10:17:51 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000000)={0x4, r0}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000180)={r2, &(0x7f0000000080)="c07077880a28c8", &(0x7f00000000c0), 0x1}, 0x20) 2018/04/09 10:17:51 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:51 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000020000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:51 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x3) 2018/04/09 10:17:51 executing program 4: perf_event_open(&(0x7f0000000f88)={0x0, 0x78}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) readv(r0, &(0x7f0000000040)=[{&(0x7f0000000080)=""/255, 0xff}], 0x259) read(r0, &(0x7f0000000700)=""/188, 0xbc) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f00000006c0)={0xffffffffffffffff, &(0x7f0000000500)='Z', &(0x7f0000000600)=""/183}, 0x18) ioctl$KVM_SET_TSS_ADDR(0xffffffffffffffff, 0xae47, 0xd000) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = socket$inet6_sctp(0xa, 0x0, 0x84) r2 = syz_open_pts(r0, 0x2) io_setup(0x1, &(0x7f0000000300)=0x0) r4 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000a00)='/dev/vga_arbiter\x00', 0x40000, 0x0) ioctl$TUNGETSNDBUF(r4, 0x800454d3, &(0x7f0000000a40)) clock_gettime(0x0, &(0x7f00000003c0)={0x0, 0x0}) io_getevents(r3, 0x101, 0x4, &(0x7f0000000340)=[{}, {}, {}, {}], &(0x7f0000000400)={r5, r6+10000000}) r7 = dup3(r2, r0, 0x0) io_setup(0x20, &(0x7f0000000180)) ioctl$KVM_GET_MSRS(r7, 0xc008ae88, &(0x7f0000000280)={0x4, 0x0, [{}, {}, {}, {}]}) syz_open_dev$midi(&(0x7f0000000440)='/dev/midi#\x00', 0xfffffffffffffff9, 0x400040) r8 = syz_open_dev$vcsa(&(0x7f0000000ff5)='/dev/vcsa#\x00', 0x3ff, 0x0) ioctl$LOOP_SET_FD(r8, 0x4c00, r0) creat(&(0x7f0000000240)='./file0\x00', 0x40) syz_open_dev$vcsn(&(0x7f0000407ff6)='/dev/vcs#\x00', 0x4, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$VHOST_GET_FEATURES(r8, 0x8008af00, &(0x7f0000000840)) pselect6(0x40, &(0x7f00000abfc0)={0x3ffffd}, &(0x7f0000768000), &(0x7f00007fbfc0), &(0x7f0000f22000)={0x0, 0x989680}, &(0x7f0000f14000)={&(0x7f000093f000), 0x8}) ioctl$SNDRV_TIMER_IOCTL_PAUSE(0xffffffffffffffff, 0x54a3) write$vnet(0xffffffffffffffff, &(0x7f00000007c0)={0x1, {&(0x7f0000000480)=""/95, 0x5f, &(0x7f0000000540)=""/170, 0x3, 0x3}}, 0x68) io_cancel(0x0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x7, 0x9, 0xffffffffffffffff, &(0x7f0000001000), 0x0, 0x8, 0x0, 0x0, r7}, &(0x7f0000000200)) write(r1, &(0x7f0000000b80)="be72eb73508ef6b0beb817d9e3eee9b076b8eb5abf8904420780", 0xfffffffffffffce2) r9 = request_key(&(0x7f0000000880)='.request_key_auth\x00', &(0x7f00000008c0)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000900)='/dev/vcsa#\x00', 0xffffffffffffffff) keyctl$update(0x2, r9, &(0x7f0000000940)="063fb774286a81424d79897abc310f859c046ebca5aca1a61d2a9cddc08d93095d7b7a86f2ea6f34f001542e0612397a60fa15f289b5968d24debabaeeb0abf1a1f4c7e04c0c500283b2d72b271842d82decda369700b6e1741e7b133592321e14545419521895152fcfeb16ce7646ec83ae44dff0067c07eda00e3a685de0850e0e59b217245a4e2cf03871919b20612c159f06bba0b49f8d71e53a7f3c90584b5dd7a9b8ca2a8793387ccc55a4ce633def1e", 0xb3) 2018/04/09 10:17:52 executing program 7 (fault-call:4 fault-nth:3): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:17:52 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:52 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000004000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:52 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x20000, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)=0x4) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r2 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x7, 0x40000) ioctl$TUNSETNOCSUM(r2, 0x400454c8, 0x0) 2018/04/09 10:17:52 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xf4010000) 2018/04/09 10:17:52 executing program 4: pipe(&(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_proto_private(r0, 0x89e8, &(0x7f0000000400)) ioctl$sock_bt_bnep_BNEPCONNDEL(r0, 0x400442c9, &(0x7f00000003c0)={0x8, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x10}}) r1 = socket$inet6(0xa, 0x2, 0x0) ioctl$fiemap(r1, 0xc020660b, &(0x7f0000000140)={0x4, 0x9, 0x6, 0x800, 0x9, [{0x8, 0x10001, 0x9, 0x0, 0x0, 0x306}, {0x8000, 0x1f, 0x3, 0x0, 0x0, 0x100}, {0x4, 0x20, 0x4, 0x0, 0x0, 0x200}, {0x9, 0x9, 0x2, 0x0, 0x0, 0x800}, {0x401, 0x3c2aecb4, 0x3, 0x0, 0x0, 0x1008}, {0x8000, 0x0, 0x2, 0x0, 0x0, 0x104}, {0xfffffffffffffffc, 0x8001, 0x735}, {0x3, 0x20, 0x3, 0x0, 0x0, 0x2408}, {0x9, 0x3fffffffc000000, 0x3, 0x0, 0x0, 0x1}]}) setsockopt$inet6_group_source_req(r1, 0x29, 0x2c, &(0x7f0000000000)={0x28368d01, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}, {{0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, 0x108) 2018/04/09 10:17:52 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(r0, 0x40045542, &(0x7f0000000040)=0x9) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f00000000c0)="d4dd245dd26683029b48942db368126a789b0e6b3f73ad5a11f6a4cd3cc96e0d96656c4a9981a7d388ac52ff52042fdae47100000000000000000000000000000000") 2018/04/09 10:17:52 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = fcntl$dupfd(r0, 0x5c98345032031529, r0) ioctl$VT_GETMODE(r1, 0x5601, &(0x7f0000000080)) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f00000000c0)={0x3ff, 0x7, 0x23869d43, 0x5, 0x7ff, 0xfffffffffffffffe, 0x1, 0x332, 0x2, 0x7, 0xc5}, 0xb) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x20080, 0x0) sendfile(r2, r2, &(0x7f0000000100), 0x3) 2018/04/09 10:17:52 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xa000000) [ 662.097410] FAULT_INJECTION: forcing a failure. [ 662.097410] name failslab, interval 1, probability 0, space 0, times 0 [ 662.109318] CPU: 0 PID: 15883 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 662.116218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 662.125624] Call Trace: [ 662.128244] dump_stack+0x1b9/0x294 [ 662.131907] ? dump_stack_print_info.cold.2+0x52/0x52 [ 662.137142] should_fail.cold.4+0xa/0x1a [ 662.141247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 662.146385] ? kasan_check_write+0x14/0x20 [ 662.150653] ? __mutex_lock+0x7d9/0x17f0 [ 662.154748] ? graph_lock+0x170/0x170 [ 662.158581] ? graph_lock+0x170/0x170 [ 662.162506] ? unwind_get_return_address+0x61/0xa0 [ 662.167481] ? find_held_lock+0x36/0x1c0 [ 662.171595] ? __lock_is_held+0xb5/0x140 [ 662.175712] ? check_same_owner+0x320/0x320 [ 662.180059] ? graph_lock+0x170/0x170 [ 662.183892] ? rcu_note_context_switch+0x710/0x710 [ 662.188842] ? mutex_lock_nested+0x16/0x20 2018/04/09 10:17:52 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000001000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:53 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xfffffdef) [ 662.193100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.198671] should_failslab+0x124/0x180 [ 662.202763] __kmalloc+0x2c8/0x760 [ 662.206339] ? __lock_is_held+0xb5/0x140 [ 662.210426] ? cgroup_mkdir+0x2b4/0x10d0 [ 662.214522] cgroup_mkdir+0x2b4/0x10d0 [ 662.218582] ? __lock_is_held+0xb5/0x140 [ 662.222703] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 662.227492] ? timespec_trunc+0xe7/0x170 [ 662.231588] ? put_itimerspec64+0x310/0x310 [ 662.235948] ? set_nlink+0xaf/0x140 [ 662.239608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 2018/04/09 10:17:53 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 662.245182] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 662.250767] ? kernfs_get_active+0xb2/0x120 [ 662.255122] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 662.259913] kernfs_iop_mkdir+0x159/0x1e0 [ 662.264088] ? getname_flags+0xd0/0x5a0 [ 662.268096] vfs_mkdir+0x42e/0x6b0 [ 662.271665] do_mkdirat+0x266/0x2f0 [ 662.275323] ? SyS_mknod+0x40/0x40 [ 662.278902] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 662.283768] ? do_syscall_64+0xb7/0x9d0 [ 662.287766] SyS_mkdir+0x22/0x30 [ 662.291152] ? SyS_mkdirat+0x30/0x30 [ 662.294890] do_syscall_64+0x29e/0x9d0 2018/04/09 10:17:53 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000002000000000000000000000000"], 0x38}, 0x0) [ 662.298794] ? vmalloc_sync_all+0x30/0x30 [ 662.302964] ? _raw_spin_unlock_irq+0x27/0x70 [ 662.307488] ? finish_task_switch+0x1ca/0x820 [ 662.312109] ? syscall_return_slowpath+0x5c0/0x5c0 [ 662.317066] ? syscall_return_slowpath+0x30f/0x5c0 [ 662.322023] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 662.327421] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 662.332297] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 662.337662] RIP: 0033:0x455259 [ 662.340865] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 2018/04/09 10:17:53 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:53 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000400000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:53 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='memory.stat\x00', 0x0, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(r1, &(0x7f0000000280)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000000100)={0x10c, r2, 0x711, 0x70bd28, 0x25dfdbfd, {0x9}, [@IPVS_CMD_ATTR_SERVICE={0x18, 0x1, [@IPVS_SVC_ATTR_ADDR={0x14, 0x3}]}, @IPVS_CMD_ATTR_DAEMON={0x18, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'bridge0\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x6}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x2e2b}, @IPVS_CMD_ATTR_SERVICE={0x24, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x20, 0x2}}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x4, 0x28}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5}]}, @IPVS_CMD_ATTR_DEST={0x28, 0x2, [@IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@remote={0xac, 0x14, 0x14, 0xbb}}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x8}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x3}]}, @IPVS_CMD_ATTR_DEST={0x6c, 0x2, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xc2e6}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x7fffffff}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e21}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x7f}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@mcast2={0xff, 0x2, [], 0x1}}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e22}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0xfffffffffffffffd}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xffffffffffffffe1}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@loopback={0x0, 0x1}}]}]}, 0x10c}, 0x1, 0x0, 0x0, 0x80}, 0x41) [ 662.348743] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 662.356033] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 662.363499] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 662.370790] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 662.378088] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000003 2018/04/09 10:17:53 executing program 7 (fault-call:4 fault-nth: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) 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) 2018/04/09 10:17:53 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xa00000000000000) 2018/04/09 10:17:53 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r0 = syz_open_dev$tun(&(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f00000000c0)={0x7, 0xffffffffffffff9c, 0x1}) ioctl$TUNSETSTEERINGEBPF(r0, 0x800454e0, &(0x7f0000000100)=r1) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000140)={'erspan0\x00', 0x200}) pipe(&(0x7f0000000040)) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:17:53 executing program 4: set_mempolicy(0x2, &(0x7f0000001640)=0x3, 0x5) r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f0000531000)='numa_maps\x00') fsync(r1) 2018/04/09 10:17:53 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:53 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) getsockopt$IP_VS_SO_GET_INFO(r0, 0x0, 0x481, &(0x7f0000000000), &(0x7f0000000040)=0xc) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f00000000c0)={'dummy0\x00', {0x2, 0x4e21, @broadcast=0xffffffff}}) r1 = accept(r0, &(0x7f0000000100)=@ipx, &(0x7f0000000180)=0x80) getsockname$unix(r1, &(0x7f00000001c0), &(0x7f0000000240)=0x6e) 2018/04/09 10:17:53 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000004000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:53 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='notify_on_release\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) 2018/04/09 10:17:53 executing program 4: r0 = syz_open_dev$sndseq(&(0x7f0000ff0ff3)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x15a) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r1 = socket(0xd1709976a2c9180c, 0xb, 0x6) sendmsg$key(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2, 0x11, 0xcfc, 0xa, 0x1e, 0x0, 0x70bd2b, 0x25dfdbff, [@sadb_x_kmaddress={0x5, 0x19, 0x0, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23}}, @sadb_address={0x5, 0x0, 0x3f, 0x20, 0x0, @in6={0xa, 0x4e24, 0x0, @remote={0xfe, 0x80, [], 0xbb}, 0x200}}, @sadb_x_nat_t_type={0x1, 0x14}, @sadb_ident={0x2, 0xb, 0xfffffffffffffff9, 0x0, 0xf5c7}, @sadb_spirange={0x2, 0x10, 0x4d6, 0x4d5}, @sadb_lifetime={0x4, 0x7, 0x0, 0x7, 0x9, 0x3}, @sadb_x_filter={0x5, 0x1a, @in=@local={0xac, 0x14, 0x14, 0xaa}, @in6, 0x3, 0x4, 0x4}, @sadb_lifetime={0x4, 0x7, 0xfff, 0x9, 0x214, 0x7ff}]}, 0xf0}, 0x1}, 0x14) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000000200)={{0x80, 0xffffffff}, 'port0\x00', 0xcc, 0xa0800, 0x3, 0x0, 0x0, 0x4, 0x6, 0x0, 0x1}) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r0, 0xc0105303, &(0x7f00000001c0)={0x0, 0x1}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) [ 662.592019] FAULT_INJECTION: forcing a failure. [ 662.592019] name failslab, interval 1, probability 0, space 0, times 0 [ 662.603500] CPU: 0 PID: 15958 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 662.610361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 662.619733] Call Trace: [ 662.622350] dump_stack+0x1b9/0x294 [ 662.626012] ? dump_stack_print_info.cold.2+0x52/0x52 [ 662.631234] ? lock_downgrade+0x8e0/0x8e0 [ 662.635401] ? lock_downgrade+0x8e0/0x8e0 2018/04/09 10:17:53 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000020000000000000000000000"], 0x38}, 0x0) [ 662.639588] should_fail.cold.4+0xa/0x1a [ 662.643679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 662.648812] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 662.653858] ? graph_lock+0x170/0x170 [ 662.657705] ? find_held_lock+0x36/0x1c0 [ 662.661803] ? __lock_is_held+0xb5/0x140 [ 662.665915] ? check_same_owner+0x320/0x320 [ 662.670269] ? rcu_note_context_switch+0x710/0x710 [ 662.675242] should_failslab+0x124/0x180 [ 662.679330] __kmalloc_track_caller+0x2c4/0x760 [ 662.684026] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 2018/04/09 10:17:53 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:53 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x600) [ 662.689596] ? cgroup_mount+0xd90/0xd90 [ 662.693593] ? kstrdup_const+0x66/0x80 [ 662.697511] kstrdup+0x39/0x70 [ 662.700728] kstrdup_const+0x66/0x80 [ 662.704462] __kernfs_new_node+0xa8/0x580 [ 662.708720] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 662.713515] ? css_next_descendant_pre+0x77/0x190 [ 662.718392] ? cgroup_propagate_control+0x3e7/0x5a0 [ 662.723447] kernfs_new_node+0x80/0xf0 [ 662.727394] kernfs_create_dir_ns+0x3d/0x140 [ 662.731838] cgroup_mkdir+0x776/0x10d0 [ 662.735766] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 662.740551] ? put_itimerspec64+0x310/0x310 [ 662.744907] ? set_nlink+0xaf/0x140 [ 662.748567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.754143] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 662.759714] ? kernfs_get_active+0xb2/0x120 [ 662.764066] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 662.768855] kernfs_iop_mkdir+0x159/0x1e0 [ 662.773033] ? getname_flags+0xd0/0x5a0 [ 662.777033] vfs_mkdir+0x42e/0x6b0 [ 662.780596] do_mkdirat+0x266/0x2f0 [ 662.784253] ? SyS_mknod+0x40/0x40 [ 662.787810] ? ksys_mount+0xa8/0x140 2018/04/09 10:17:53 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:53 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x300000000000000) [ 662.791540] ? do_syscall_64+0xb7/0x9d0 [ 662.795536] SyS_mkdir+0x22/0x30 [ 662.798915] ? SyS_mkdirat+0x30/0x30 [ 662.802656] do_syscall_64+0x29e/0x9d0 [ 662.806560] ? vmalloc_sync_all+0x30/0x30 [ 662.810721] ? _raw_spin_unlock_irq+0x27/0x70 [ 662.815236] ? finish_task_switch+0x1ca/0x820 [ 662.819765] ? syscall_return_slowpath+0x5c0/0x5c0 [ 662.824715] ? syscall_return_slowpath+0x30f/0x5c0 [ 662.829677] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 662.835072] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/04/09 10:17:53 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x30, &(0x7f0000000080)=[@in={0x2, 0x4e22, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e23, @multicast2=0xe0000002}, @in={0x2, 0x4e20, @loopback=0x7f000001}]}, &(0x7f0000000100)=0x10) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000140)={r1, 0x80, 0x0, 0x56e52a9f, 0x100}, &(0x7f0000000180)=0x18) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:17:53 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0xfffffffffffffe00, 0x0) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f0000000100)={0x1, 0x11a, [@dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x1a}]}) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) setsockopt$RDS_RECVERR(r1, 0x114, 0x5, &(0x7f0000000040)=0x1, 0x4) [ 662.839952] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 662.845158] RIP: 0033:0x455259 [ 662.848357] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 662.856265] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 662.863560] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 662.870848] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 662.878141] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 662.885432] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000004 2018/04/09 10:17:54 executing program 7 (fault-call:4 fault-nth: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) 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) 2018/04/09 10:17:54 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000004000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:54 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x40000) 2018/04/09 10:17:54 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:54 executing program 6: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x40440, 0x80) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000000200)={0x0, 0xaf, "593b9f0408273a02dd86ebb83421e14d74cf2a7ed8210cec4cb56f40fa716144e3e62f04eee3eb44ef1be96d215317ff732c4e6dbfd2789d2b801336646c6d7d65f076d0f5808e266551bb4d033b41f80dfa2ce20f220b523ef8b584b3d536da4de73450a3f74a2ef4877f481e5db5893ee9b9505fd40ea059869a89dbefedf95b60e05463700f5f1a150c07bb94929025522feff24ac4f52e2dd1c622b9adf2c2f5a17d6ef07dc09cf3c34ea752fe"}, &(0x7f00000002c0)=0x1e2) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000300)={r1, 0x7fff}, &(0x7f0000000340)=0x8) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000180)={0x0}, &(0x7f00000001c0)=0x8) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000040)={r2, @in={{0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}}}, &(0x7f0000000100)=0x84) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000140)={r3, 0xfffffffffffff54a}, 0x8) 2018/04/09 10:17:54 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) r2 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vhost-net\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) flistxattr(r2, &(0x7f00000000c0)=""/1, 0x1) r3 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0x1000, 0x214040) ioctl$SIOCGIFMTU(r3, 0x8921, &(0x7f0000000140)) 2018/04/09 10:17:54 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(0xffffffffffffffff, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(0xffffffffffffffff, 0x2286, &(0x7f0000c95ffe)) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000000280)={{{@in=@remote, @in6=@mcast1}}, {{@in=@rand_addr}, 0x0, @in6}}, &(0x7f0000000180)=0xee) getsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000080)=@assoc_value={0x0, 0x4}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000100)={r2, 0x80, &(0x7f0000000380)=[@in6={0xa, 0x4e20, 0x2, @remote={0xfe, 0x80, [], 0xbb}, 0x6dc2}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in6={0xa, 0x4e21, 0x3, @empty, 0x6}, @in6={0xa, 0x4e20, 0x10000, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}, @in6={0xa, 0x4e22, 0x1000, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, 0xfffffffffffffffb}]}, &(0x7f0000000140)=0x10) r3 = add_key$keyring(&(0x7f00000001c0)='keyring\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xffffffffffffffff) keyctl$set_timeout(0xf, r3, 0x0) 2018/04/09 10:17:54 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000180)='/dev/hwrng\x00', 0x0, 0x0) ioctl$KVM_DIRTY_TLB(r0, 0x4010aeaa, &(0x7f0000000040)={0x7ff, 0x101}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@textreal={0x8, &(0x7f0000000080)="baa100b000eef36cba2100ec66b9800000c00f326635001000000f30bad104ecc80080d267d9f8f30f1bb429000f20c06635200000000f22c067f3af", 0x3c}], 0x15555555555555fb, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_SET_DEBUGREGS(0xffffffffffffffff, 0x4080aea2, &(0x7f0000000340)={[0x0, 0x0, 0xf006, 0x5002], 0x9, 0x4c}) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(0xffffffffffffffff, 0x10e, 0x8, &(0x7f0000000100)=0x7, 0x4) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_TSS_ADDR(r1, 0xae47, 0xd000) ioctl$KVM_RUN(r3, 0xae80, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) accept$netrom(r2, 0x0, &(0x7f0000000000)) ioctl$KVM_RUN(r3, 0xae80, 0x0) 2018/04/09 10:17:54 executing program 6: setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3f, &(0x7f0000000040), 0x4) 2018/04/09 10:17:54 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 663.718864] FAULT_INJECTION: forcing a failure. [ 663.718864] name failslab, interval 1, probability 0, space 0, times 0 [ 663.730216] CPU: 0 PID: 16008 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 663.737080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 663.746455] Call Trace: [ 663.749066] dump_stack+0x1b9/0x294 [ 663.752724] ? dump_stack_print_info.cold.2+0x52/0x52 [ 663.757954] should_fail.cold.4+0xa/0x1a [ 663.762044] ? kstrdup_const+0x66/0x80 [ 663.765969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 663.771096] ? do_mkdirat+0x266/0x2f0 [ 663.774923] ? do_syscall_64+0x29e/0x9d0 [ 663.779010] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 663.784405] ? graph_lock+0x170/0x170 [ 663.788229] ? find_held_lock+0x36/0x1c0 [ 663.792328] ? find_held_lock+0x36/0x1c0 [ 663.796429] ? __lock_is_held+0xb5/0x140 [ 663.800542] ? check_same_owner+0x320/0x320 [ 663.805332] ? rcu_note_context_switch+0x710/0x710 [ 663.810288] ? rcu_read_lock_sched_held+0x108/0x120 [ 663.815335] should_failslab+0x124/0x180 [ 663.819424] kmem_cache_alloc+0x2af/0x760 [ 663.823591] ? memcpy+0x45/0x50 [ 663.826890] ? kstrdup+0x59/0x70 [ 663.830293] __kernfs_new_node+0xe7/0x580 [ 663.834469] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 663.839263] ? css_next_descendant_pre+0x77/0x190 [ 663.844139] ? cgroup_propagate_control+0x3e7/0x5a0 [ 663.849201] kernfs_new_node+0x80/0xf0 [ 663.853118] kernfs_create_dir_ns+0x3d/0x140 [ 663.857558] cgroup_mkdir+0x776/0x10d0 [ 663.861489] ? cgroup_destroy_locked+0x7c0/0x7c0 2018/04/09 10:17:54 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080)=0x3, 0xd) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = dup2(r1, r0) getsockopt$inet_sctp_SCTP_DELAYED_SACK(0xffffffffffffff9c, 0x84, 0x10, &(0x7f0000000140)=@assoc_value={0x0, 0xfffffffffffffff7}, &(0x7f0000000180)=0x8) getsockopt$ARPT_SO_GET_INFO(r2, 0x0, 0x60, &(0x7f0000000200)={'filter\x00'}, &(0x7f0000000280)=0x44) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f00000001c0)=@assoc_value={r3, 0x40}, 0x8) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) getsockopt$ARPT_SO_GET_INFO(r4, 0x0, 0x60, &(0x7f00000000c0)={'filter\x00'}, &(0x7f0000000040)=0x44) 2018/04/09 10:17:54 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000100)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:17:54 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 663.866271] ? put_itimerspec64+0x310/0x310 [ 663.870619] ? set_nlink+0xaf/0x140 [ 663.874270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.879837] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 663.885391] ? kernfs_get_active+0xb2/0x120 [ 663.889734] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 663.894514] kernfs_iop_mkdir+0x159/0x1e0 [ 663.898674] ? getname_flags+0xd0/0x5a0 [ 663.902673] vfs_mkdir+0x42e/0x6b0 [ 663.906254] do_mkdirat+0x266/0x2f0 [ 663.909909] ? SyS_mknod+0x40/0x40 [ 663.913474] ? syscall_slow_exit_work+0x4f0/0x4f0 2018/04/09 10:17:54 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x1000000) [ 663.918340] ? do_syscall_64+0xb7/0x9d0 [ 663.922335] SyS_mkdir+0x22/0x30 [ 663.925718] ? SyS_mkdirat+0x30/0x30 [ 663.929450] do_syscall_64+0x29e/0x9d0 [ 663.933348] ? vmalloc_sync_all+0x30/0x30 [ 663.937516] ? _raw_spin_unlock_irq+0x27/0x70 [ 663.942032] ? finish_task_switch+0x1ca/0x820 [ 663.946546] ? syscall_return_slowpath+0x5c0/0x5c0 [ 663.951497] ? syscall_return_slowpath+0x30f/0x5c0 [ 663.956455] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 663.961850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 663.966722] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 663.971922] RIP: 0033:0x455259 [ 663.975122] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 663.982859] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 663.990151] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 663.997447] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 664.004742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 664.012035] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000005 2018/04/09 10:17:54 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='memory.swap.current\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000280)=@assoc_value={0x0, 0x2}, &(0x7f00000002c0)=0x1) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000300)={r2, 0x4}, &(0x7f0000000340)=0x8) r3 = accept4$inet6(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, @loopback}, &(0x7f00000003c0)=0x1c, 0x80800) getsockopt$inet_sctp6_SCTP_NODELAY(r3, 0x84, 0x3, &(0x7f0000000400), &(0x7f0000000440)=0x4) r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rfkill\x00', 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r4, 0x84, 0x4, &(0x7f0000000100)=0x87, 0x4) ioctl$EVIOCGID(r4, 0x80084502, &(0x7f0000000140)=""/216) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r5 = memfd_create(&(0x7f0000000000)='\x00', 0x3) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r5, 0x10e, 0x4, &(0x7f0000000040)=0x8, 0x4) 2018/04/09 10:17:54 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x1f4) 2018/04/09 10:17:55 executing program 7 (fault-call:4 fault-nth:6): 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) 2018/04/09 10:17:55 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:55 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000100)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:17:55 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000010000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:55 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xffffffff00000000) 2018/04/09 10:17:55 executing program 4: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$key(0xf, 0x3, 0x2) r1 = syz_open_dev$sg(&(0x7f0000000100)='/dev/sg#\x00', 0x2, 0x6c000) setsockopt$ALG_SET_AEAD_AUTHSIZE(r1, 0x117, 0x5, 0x0, 0x800) ioctl$PPPIOCGMRU(r1, 0x80047453, &(0x7f0000000140)) modify_ldt$write(0x1, &(0x7f00000000c0)={0x7, 0x20000800, 0x1000, 0x11a, 0x6, 0x8001, 0x80000000, 0x400, 0xffffffff, 0x8}, 0x10) sendmsg$key(r0, &(0x7f0000196fe4)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000327f68)={0x2, 0x400000000000003, 0x0, 0x0, 0x11, 0x0, 0x0, 0x0, [@sadb_address={0x5, 0x6, 0x0, 0x0, 0x0, @in6={0xa}}, @sadb_address={0x3, 0x8, 0x2, 0x0, 0x0, @in={0x2, 0x0, @multicast2=0xe0000002}}, @sadb_sa={0x2, 0x1, 0x0, 0x0, 0x0, 0x3}, @sadb_address={0x5, 0x5, 0x0, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}}}]}, 0x88}, 0x1}, 0x0) 2018/04/09 10:17:55 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) write$cgroup_int(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="2d3e38353f394f2b3f3d4509b0ce5a5041b51990c060134525f993b1ceb943c583bf6888b275e549277e93ff31168cfb64e99bde3ea09ce42cb0aa304c6857e5bafb63009ac8c847002b3028f722cb9357"], 0x9) sendfile(r1, r0, &(0x7f0000000100)=0x2, 0x7) 2018/04/09 10:17:55 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = open(&(0x7f0000000000)='./file0\x00', 0x2, 0x8) setsockopt$inet_group_source_req(r1, 0x0, 0x0, &(0x7f00000000c0)={0x3, {{0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x17}}}, {{0x2, 0x4e22, @multicast2=0xe0000002}}}, 0x108) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) getsockopt$inet6_mreq(r1, 0x29, 0x15, &(0x7f0000000040)={@ipv4={[], [], @multicast2}}, &(0x7f0000000200)=0x14) [ 664.279839] FAULT_INJECTION: forcing a failure. [ 664.279839] name failslab, interval 1, probability 0, space 0, times 0 [ 664.291754] CPU: 0 PID: 16081 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 664.298620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 664.307993] Call Trace: [ 664.310603] dump_stack+0x1b9/0x294 [ 664.314266] ? dump_stack_print_info.cold.2+0x52/0x52 [ 664.319505] should_fail.cold.4+0xa/0x1a [ 664.323586] ? perf_tp_event+0xc30/0xc30 2018/04/09 10:17:55 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000040000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:55 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) ioctl$DRM_IOCTL_RES_CTX(r0, 0xc0106426, &(0x7f0000000140)={0x9, &(0x7f00000000c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}]}) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:17:55 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x4000000000000) 2018/04/09 10:17:55 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 664.327674] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 664.332808] ? memset+0x31/0x40 [ 664.336120] ? perf_trace_lock_acquire+0x4f1/0x980 [ 664.341095] ? perf_trace_lock+0x900/0x900 [ 664.345364] ? graph_lock+0x170/0x170 [ 664.349213] ? print_usage_bug+0xc0/0xc0 [ 664.353308] should_failslab+0x124/0x180 [ 664.357397] kmem_cache_alloc+0x47/0x760 [ 664.361482] ? lock_downgrade+0x8e0/0x8e0 [ 664.365662] radix_tree_node_alloc.constprop.19+0x1e6/0x310 [ 664.371411] idr_get_free+0x87e/0x1090 [ 664.375350] ? radix_tree_clear_tags+0xc0/0xc0 [ 664.379958] ? unwind_get_return_address+0x61/0xa0 [ 664.384937] ? __save_stack_trace+0x7e/0xd0 [ 664.389287] ? memset+0x31/0x40 [ 664.392598] ? perf_trace_lock_acquire+0x4f1/0x980 [ 664.397562] ? save_stack+0xa9/0xd0 [ 664.401231] ? perf_trace_lock+0x900/0x900 [ 664.405487] ? kernfs_iop_mkdir+0x159/0x1e0 [ 664.409834] ? do_mkdirat+0x266/0x2f0 [ 664.413660] ? do_syscall_64+0x29e/0x9d0 [ 664.417745] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 664.423148] ? find_held_lock+0x36/0x1c0 2018/04/09 10:17:55 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:55 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xe000000) 2018/04/09 10:17:55 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000020000000000000000000000000000"], 0x38}, 0x0) [ 664.427249] ? print_usage_bug+0xc0/0xc0 [ 664.431340] ? graph_lock+0x170/0x170 [ 664.435175] idr_alloc_u32+0x1ef/0x3b0 [ 664.439090] ? __fprop_inc_percpu_max+0x2c0/0x2c0 [ 664.443949] ? lock_acquire+0x1dc/0x520 [ 664.447942] ? __kernfs_new_node+0x10e/0x580 [ 664.452369] ? __lock_is_held+0xb5/0x140 [ 664.456455] idr_alloc_cyclic+0x167/0x340 [ 664.460625] ? idr_alloc+0x1a0/0x1a0 [ 664.464352] ? kasan_check_write+0x14/0x20 [ 664.468618] ? do_raw_spin_lock+0xc1/0x200 [ 664.472889] __kernfs_new_node+0x1a3/0x580 [ 664.477161] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 664.481960] ? css_next_descendant_pre+0x77/0x190 [ 664.486826] ? cgroup_propagate_control+0x3e7/0x5a0 [ 664.491876] kernfs_new_node+0x80/0xf0 [ 664.495793] kernfs_create_dir_ns+0x3d/0x140 [ 664.500236] cgroup_mkdir+0x776/0x10d0 [ 664.505215] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 664.510004] ? put_itimerspec64+0x310/0x310 [ 664.514354] ? set_nlink+0xaf/0x140 [ 664.518004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.523567] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 2018/04/09 10:17:55 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r0 = open(&(0x7f0000000100)='./file0\x00', 0x10000, 0x34) ioctl$KVM_ARM_SET_DEVICE_ADDR(r0, 0x4010aeab, &(0x7f00000000c0)={0x100000001, 0xf000}) pipe(&(0x7f0000000040)) r1 = syz_open_dev$sg(&(0x7f0000000140)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) [ 664.529129] ? kernfs_get_active+0xb2/0x120 [ 664.533475] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 664.538256] kernfs_iop_mkdir+0x159/0x1e0 [ 664.542415] ? getname_flags+0xd0/0x5a0 [ 664.546413] vfs_mkdir+0x42e/0x6b0 [ 664.549975] do_mkdirat+0x266/0x2f0 [ 664.553625] ? SyS_mknod+0x40/0x40 [ 664.557189] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 664.562053] ? do_syscall_64+0xb7/0x9d0 [ 664.566055] SyS_mkdir+0x22/0x30 [ 664.569436] ? SyS_mkdirat+0x30/0x30 [ 664.573186] do_syscall_64+0x29e/0x9d0 [ 664.577085] ? vmalloc_sync_all+0x30/0x30 [ 664.581252] ? _raw_spin_unlock_irq+0x27/0x70 [ 664.585766] ? finish_task_switch+0x1ca/0x820 [ 664.590373] ? syscall_return_slowpath+0x5c0/0x5c0 [ 664.595323] ? syscall_return_slowpath+0x30f/0x5c0 [ 664.600283] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 664.605683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 664.610563] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 664.615774] RIP: 0033:0x455259 [ 664.618977] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 664.626710] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 664.633999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 664.641288] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 664.648579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 664.656040] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000006 2018/04/09 10:17:55 executing program 7 (fault-call:4 fault-nth:7): 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) 2018/04/09 10:17:55 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl(r0, 0xaa, &(0x7f0000000280)="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") r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:17:55 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) r2 = dup2(r0, r1) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000000)={0xaa}) socket$inet_sctp(0x2, 0x5, 0x84) mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8, 0x20010, r1, 0x0) 2018/04/09 10:17:55 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:55 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xe803) 2018/04/09 10:17:55 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000100000000000000"], 0x38}, 0x0) 2018/04/09 10:17:55 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) fstat(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0}) setfsuid(r1) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) 2018/04/09 10:17:55 executing program 4: socketpair(0x2b, 0x1, 0xfffffffffffffffd, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$VT_GETSTATE(r0, 0x5603, &(0x7f0000000000)={0x2, 0x5, 0x100}) ioctl$SNDRV_TIMER_IOCTL_STATUS(r1, 0x80605414, &(0x7f0000000080)=""/4096) 2018/04/09 10:17:55 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:55 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xe) [ 664.853444] FAULT_INJECTION: forcing a failure. [ 664.853444] name failslab, interval 1, probability 0, space 0, times 0 [ 664.864828] CPU: 0 PID: 16133 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 664.871691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 664.881068] Call Trace: [ 664.883684] dump_stack+0x1b9/0x294 [ 664.887347] ? dump_stack_print_info.cold.2+0x52/0x52 [ 664.892583] should_fail.cold.4+0xa/0x1a [ 664.896667] ? kstrdup_const+0x66/0x80 [ 664.900873] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 664.906007] ? kernfs_iop_mkdir+0x159/0x1e0 [ 664.910356] ? do_mkdirat+0x266/0x2f0 [ 664.914185] ? SyS_mkdir+0x22/0x30 [ 664.917744] ? do_syscall_64+0x29e/0x9d0 [ 664.921827] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 664.927246] ? graph_lock+0x170/0x170 [ 664.931076] ? find_held_lock+0x36/0x1c0 [ 664.935187] ? find_held_lock+0x36/0x1c0 [ 664.939304] ? __lock_is_held+0xb5/0x140 [ 664.943417] ? check_same_owner+0x320/0x320 [ 664.947777] ? rcu_note_context_switch+0x710/0x710 2018/04/09 10:17:55 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000200000000000000"], 0x38}, 0x0) [ 664.952740] ? rcu_read_lock_sched_held+0x108/0x120 [ 664.957795] should_failslab+0x124/0x180 [ 664.961886] kmem_cache_alloc+0x2af/0x760 [ 664.966057] ? memcpy+0x45/0x50 [ 664.969366] ? kstrdup+0x59/0x70 [ 664.972769] __kernfs_new_node+0xe7/0x580 [ 664.976948] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 664.981735] ? find_held_lock+0x36/0x1c0 [ 664.985825] ? kasan_check_read+0x11/0x20 [ 664.990006] ? read_word_at_a_time+0x12/0x20 [ 664.994444] ? strscpy+0x170/0x510 [ 664.998029] kernfs_new_node+0x80/0xf0 2018/04/09 10:17:55 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:55 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xe00010000000000) 2018/04/09 10:17:55 executing program 4: r0 = perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x3, 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) r1 = socket$inet6(0xa, 0x8000000000000802, 0x0) ppoll(&(0x7f0000000040)=[{r1, 0xc001}, {r1}, {r1, 0x3000}, {r0, 0x400}, {r0, 0x12}, {r0, 0x1}], 0x6, &(0x7f0000000080), &(0x7f00000000c0), 0x8) setsockopt$inet6_udp_int(r1, 0x11, 0x1, &(0x7f0000000000), 0x4) [ 665.001956] __kernfs_create_file+0x4d/0x330 [ 665.006403] cgroup_addrm_files+0x437/0xaf0 [ 665.010768] ? cgroup_css.part.14+0x1f0/0x1f0 [ 665.015297] ? __getnstimeofday64+0x3a8/0x500 [ 665.019832] ? getrawmonotonic64+0x4e0/0x4e0 [ 665.024276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.029841] ? kernfs_active+0x128/0x1b0 [ 665.033940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.039506] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 665.044056] ? cgroup_file_name+0x1f0/0x1f0 [ 665.048425] css_populate_dir+0x35f/0x420 [ 665.052614] cgroup_mkdir+0x807/0x10d0 [ 665.056546] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 665.061330] ? put_itimerspec64+0x310/0x310 [ 665.065677] ? set_nlink+0xaf/0x140 [ 665.069333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.074906] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 665.080472] ? kernfs_get_active+0xb2/0x120 [ 665.084819] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 665.089611] kernfs_iop_mkdir+0x159/0x1e0 [ 665.093788] ? getname_flags+0xd0/0x5a0 [ 665.097797] vfs_mkdir+0x42e/0x6b0 [ 665.101367] do_mkdirat+0x266/0x2f0 [ 665.105021] ? SyS_mknod+0x40/0x40 [ 665.108588] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 665.113458] ? do_syscall_64+0xb7/0x9d0 [ 665.117454] SyS_mkdir+0x22/0x30 [ 665.120833] ? SyS_mkdirat+0x30/0x30 [ 665.124563] do_syscall_64+0x29e/0x9d0 [ 665.128467] ? vmalloc_sync_all+0x30/0x30 [ 665.132648] ? _raw_spin_unlock_irq+0x27/0x70 [ 665.137164] ? finish_task_switch+0x1ca/0x820 [ 665.141679] ? syscall_return_slowpath+0x5c0/0x5c0 [ 665.146628] ? syscall_return_slowpath+0x30f/0x5c0 2018/04/09 10:17:55 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000), 0xc6) r1 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x7, 0x400) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r1, 0xc0a85352, &(0x7f0000000080)={{0x3f, 0x2b1c}, 'port0\x00', 0x20, 0x0, 0x3ff, 0x8, 0x2, 0x3ff, 0x50f, 0x0, 0x3}) 2018/04/09 10:17:55 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 665.151589] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 665.156992] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.161872] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 665.167085] RIP: 0033:0x455259 [ 665.170286] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 665.178016] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 665.185301] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 665.192592] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 665.199883] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 665.207179] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000007 [ 665.214863] cgroup: cgroup_addrm_files: failed to add cgroup.type, err=-12 2018/04/09 10:17:56 executing program 7 (fault-call:4 fault-nth:8): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:17:56 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xe8030000) 2018/04/09 10:17:56 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000040)=0x100, 0x4) setitimer(0x0, &(0x7f0000000000)={{0x77359400}, {0x77359400}}, &(0x7f0000000080)) 2018/04/09 10:17:56 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) getsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000040), 0x10) 2018/04/09 10:17:56 executing program 4: r0 = syz_open_dev$sndctrl(&(0x7f0000000040)='/dev/snd/controlC#\x00', 0x0, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x4000, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000100)=0x5) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x20000, 0x0) ioctl$PPPIOCGCHAN(r2, 0x80047437, &(0x7f0000000080)) ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(0xffffffffffffffff, 0xc1105517, &(0x7f0000001000)={{0x0, 0x0, 0x0, 0x0, "a399e9c558720d8d1f6728f1c5f07531dc6150defaca6ebcaf1b8b8c36184c8f147be96ea31efbf49ca9b9d7"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "655397eb4a90dc0d4bbdd330f3aa50c6a17a4cbe46f9a27f671d171c4a2c50f288493929c1e0fe9468a5eb556554a2803b25502ef5bc450d5f58f28b16e1198d", &(0x7f0000b0bfb2)="446465762f736e642f636f6e74726f6c4323009cb55a60fb8d54423e20546bd33125000000000000fd03e22965bb699aabcb8311b779fbf5497252581e19688501001a7898bd7751951d53b93ab1", 0x4e, [], [0x2, 0x1, 0x1]}) ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000001000)={&(0x7f0000005000), 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, "b1abe2da02000000e1000000fc00000000000000dc98784b49e0007e00002fd9"}}) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0xc1105517, &(0x7f0000001000)=""/250) 2018/04/09 10:17:56 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000040000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:56 executing program 0: r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000080)='/dev/qat_adf_ctl\x00', 0x10000, 0x0) setsockopt$l2tp_PPPOL2TP_SO_SENDSEQ(r0, 0x111, 0x3, 0x0, 0x4) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) ioctl(r2, 0x9, &(0x7f0000000000)="b966aab2c448900d5d8811a1") getsockopt$inet_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f00000000c0), &(0x7f0000000180)=0x4) sendfile(r0, r2, &(0x7f00000001c0), 0x10000003) 2018/04/09 10:17:56 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 665.363013] FAULT_INJECTION: forcing a failure. [ 665.363013] name failslab, interval 1, probability 0, space 0, times 0 [ 665.374413] CPU: 0 PID: 16193 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 665.381273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 665.390647] Call Trace: [ 665.393276] dump_stack+0x1b9/0x294 [ 665.396939] ? dump_stack_print_info.cold.2+0x52/0x52 [ 665.402181] should_fail.cold.4+0xa/0x1a [ 665.406257] ? kstrdup_const+0x66/0x80 2018/04/09 10:17:56 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:56 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00002e9000)='task\x00') getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f00000000c0)={0x0, 0x4f, "68363dd4713f1be011ed2603eee7401b214d55a64b43acf841d4ee08b10bd957c17edda9996119969e422b85666dca56baa43a9c0a69bf9f1aef37e1770deff688a1a2a0b7f8482985433c175f4402"}, &(0x7f0000000140)=0x57) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000180)={r1, 0x1, 0x7}, 0x8) getdents64(r0, &(0x7f0000ceffd4)=""/44, 0x2c) perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getdents(r0, &(0x7f0000cdb000)=""/36, 0x24) accept$netrom(r0, &(0x7f0000000040), &(0x7f0000000080)=0x10) [ 665.410170] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 665.415295] ? kernfs_iop_mkdir+0x159/0x1e0 [ 665.419636] ? do_mkdirat+0x266/0x2f0 [ 665.423458] ? SyS_mkdir+0x22/0x30 [ 665.427021] ? do_syscall_64+0x29e/0x9d0 [ 665.431109] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 665.436515] ? graph_lock+0x170/0x170 [ 665.440339] ? find_held_lock+0x36/0x1c0 [ 665.444441] ? find_held_lock+0x36/0x1c0 [ 665.448540] ? __lock_is_held+0xb5/0x140 [ 665.452645] ? check_same_owner+0x320/0x320 [ 665.456994] ? rcu_note_context_switch+0x710/0x710 [ 665.461946] ? rcu_read_lock_sched_held+0x108/0x120 [ 665.467003] should_failslab+0x124/0x180 [ 665.471098] kmem_cache_alloc+0x2af/0x760 [ 665.475276] ? memcpy+0x45/0x50 [ 665.478591] ? kstrdup+0x59/0x70 [ 665.481997] __kernfs_new_node+0xe7/0x580 [ 665.486190] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 665.490992] ? find_held_lock+0x36/0x1c0 [ 665.495077] ? kasan_check_read+0x11/0x20 [ 665.499232] ? read_word_at_a_time+0x12/0x20 [ 665.503649] ? strscpy+0x170/0x510 [ 665.507217] kernfs_new_node+0x80/0xf0 [ 665.511110] __kernfs_create_file+0x4d/0x330 [ 665.515523] cgroup_addrm_files+0x437/0xaf0 [ 665.519872] ? cgroup_css.part.14+0x1f0/0x1f0 [ 665.524370] ? __getnstimeofday64+0x3a8/0x500 [ 665.528869] ? getrawmonotonic64+0x4e0/0x4e0 [ 665.533277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.538825] ? kernfs_active+0x128/0x1b0 [ 665.542890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.548443] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 665.552933] ? cgroup_file_name+0x1f0/0x1f0 [ 665.557258] css_populate_dir+0x35f/0x420 [ 665.561407] cgroup_mkdir+0x807/0x10d0 [ 665.565304] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 665.570062] ? put_itimerspec64+0x310/0x310 [ 665.574382] ? set_nlink+0xaf/0x140 [ 665.578009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.583551] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 665.589087] ? kernfs_get_active+0xb2/0x120 [ 665.593404] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 665.598158] kernfs_iop_mkdir+0x159/0x1e0 [ 665.602299] ? getname_flags+0xd0/0x5a0 [ 665.606277] vfs_mkdir+0x42e/0x6b0 [ 665.609820] do_mkdirat+0x266/0x2f0 [ 665.613448] ? SyS_mknod+0x40/0x40 [ 665.616987] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 665.621834] ? do_syscall_64+0xb7/0x9d0 [ 665.625823] SyS_mkdir+0x22/0x30 [ 665.629183] ? SyS_mkdirat+0x30/0x30 [ 665.634159] do_syscall_64+0x29e/0x9d0 [ 665.638051] ? vmalloc_sync_all+0x30/0x30 [ 665.642198] ? _raw_spin_unlock_irq+0x27/0x70 [ 665.646688] ? finish_task_switch+0x1ca/0x820 [ 665.651181] ? syscall_return_slowpath+0x5c0/0x5c0 [ 665.656111] ? syscall_return_slowpath+0x30f/0x5c0 [ 665.661057] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 665.666424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.671283] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 665.676481] RIP: 0033:0x455259 [ 665.679662] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 665.687378] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 665.694642] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 665.701905] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 665.709167] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 665.716430] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000008 [ 665.724145] cgroup: cgroup_addrm_files: failed to add cgroup.type, err=-12 2018/04/09 10:17:56 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:56 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x2, 0x8, 0x200, 0x0, 0xa2, 0x0, 0x70bd2b, 0x25dfdbfe, [@sadb_x_filter={0x5, 0x1a, @in6=@remote={0xfe, 0x80, [], 0xbb}, @in=@multicast2=0xe0000002, 0x0, 0x14, 0x10}, @sadb_x_sa2={0x2, 0x13, 0x6, 0x0, 0x0, 0x70bd28, 0x3504}]}, 0x48}, 0x1}, 0x200020000040) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000340)={0x77359400}, 0x10) r1 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x20, 0x8000) ioctl$LOOP_GET_STATUS(r1, 0x4c03, &(0x7f00000001c0)) sendto$inet6(r1, &(0x7f0000000580)="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", 0x1de, 0x10, &(0x7f00000000c0)={0xa, 0x4e20, 0xb4, @local={0xfe, 0x80, [], 0xaa}, 0x100000000}, 0x1c) getxattr(&(0x7f0000000380)='./file0\x00', &(0x7f00000003c0)=@known='user.syz\x00', &(0x7f0000000400)=""/18, 0x12) 2018/04/09 10:17:56 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x200000000000001e, &(0x7f000023f000)=0xa, 0x4) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) ioctl$KVM_CREATE_DEVICE(r1, 0xc00caee0, &(0x7f00000000c0)={0x7, r0, 0x2}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffffff, 0x84, 0x6c, &(0x7f0000000100)={0x0, 0x9, "eada7e47fb1e3cc295"}, &(0x7f0000000140)=0x11) pipe2(&(0x7f0000000040), 0x4000) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f0000000180)={r3, 0x8, 0x8, 0x7f, 0x9}, &(0x7f00000001c0)=0x14) 2018/04/09 10:17:56 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xc0ffffff00000000) 2018/04/09 10:17:56 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f00000000c0)=@nat={'nat\x00', 0x19, 0x2, 0x348, [0x20000280, 0x0, 0x0, 0x200002b0, 0x200002e0], 0x0, &(0x7f0000000080), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xffffffffffffffff}, {0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xfffffffffffffffe, 0x2, [{{{0x11, 0x20, 0xe9ef, 'yam0\x00', 'tunl0\x00', 'team0\x00', 'syzkaller0\x00', @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [0xff, 0x0, 0x0, 0x0, 0xff], @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x13}, [0xff, 0x0, 0x0, 0xff, 0xff], 0x118, 0x118, 0x148, [@cluster={'cluster\x00', 0x10, {{0x272, 0x6, 0x1, 0x1}}}, @stp={'stp\x00', 0x48, {{0x1, {0x800, 0x3, 0x0, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [0x0, 0x0, 0x0, 0xff, 0xff], 0x5, 0x10b, 0x9, 0x9, @empty, [0xff, 0x0, 0x0, 0x0, 0xff, 0xff], 0x4e22, 0x4e20, 0x3800000, 0x6, 0x4, 0x7, 0x7, 0x1ff, 0xf45, 0x6}, 0x602, 0x82}}}]}}, @common=@CLASSIFY={'CLASSIFY\x00', 0x8, {{0x7ff}}}}, {{{0x0, 0x0, 0x8863, 'teql0\x00', 'ip6tnl0\x00', 'dummy0\x00', 'bond0\x00', @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x1a}, [0xff, 0xff, 0x0, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [0xff, 0xff, 0x0, 0xff, 0xff, 0xff], 0x100, 0x138, 0x170, [@cgroup0={'cgroup\x00', 0x8, {{0x5, 0x1}}}, @arp={'arp\x00', 0x38, {{0x21b, 0x2af6, 0x3, @dev={0xac, 0x14, 0x14, 0x10}, 0x0, @broadcast=0xffffffff, 0x0, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xf}, [0x0, 0xff, 0xff, 0x0, 0x0, 0xff], @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, [0xff, 0xff, 0xff, 0x0, 0xff, 0xff], 0x8, 0x3}}}]}, [@snat={'snat\x00', 0x10, {{@link_local={0x1, 0x80, 0xc2}, 0xfffffffffffffffd}}}]}, @arpreply={'arpreply\x00', 0x10, {{@link_local={0x1, 0x80, 0xc2}, 0xfffffffffffffffe}}}}]}]}, 0x3c0) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:17:56 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000002000000000000"], 0x38}, 0x0) 2018/04/09 10:17:56 executing program 7 (fault-call:4 fault-nth:9): 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) 2018/04/09 10:17:56 executing program 6: socket$key(0xf, 0x3, 0x2) r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) 2018/04/09 10:17:56 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x300) 2018/04/09 10:17:56 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:56 executing program 4: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x8002, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000100)={0x6, 0x5, 0x2444b4c8, 0x6, 0x0}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={r1, @in={{0x2, 0x4e22}}, [0x1000, 0x96e, 0x10ab, 0xc0, 0x4, 0x200, 0x40, 0x100000000, 0x3, 0x9, 0xfffffffffffffc00, 0x6, 0x5e7]}, &(0x7f0000000280)=0x100) r2 = ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, r2) write$sndseq(r0, &(0x7f000000a000)=[{0x40081, 0x5, 0x0, 0x0, @time={0x77359400}, {}, {}, @time=@time}], 0x30) setsockopt$ARPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)={'filter\x00', 0x4}, 0x68) 2018/04/09 10:17:56 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000400000000000000"], 0x38}, 0x0) 2018/04/09 10:17:56 executing program 1: pipe(&(0x7f0000000080)) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:17:56 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x10000000013, &(0x7f000039c000)=0x400000000000001, 0x4) setsockopt$inet_tcp_int(r2, 0x6, 0x14, &(0x7f00000b2000)=0xffffffffffffffff, 0x4) sendto$inet(r2, &(0x7f0000000000), 0x0, 0x800000120000001, &(0x7f0000e45ff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmmsg(r2, &(0x7f0000001100)=[{{&(0x7f0000000040)=@vsock={0x28, 0x0, 0x0, @reserved=0x1}, 0x80, &(0x7f00000003c0), 0x0, &(0x7f00000004c0)}}, {{&(0x7f0000000740)=@pptp={0x18, 0x2, {0x0, @broadcast=0xffffffff}}, 0x80, &(0x7f0000000800), 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="100000000100000002000000cfc4e9b7"], 0x10}}], 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) 2018/04/09 10:17:56 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000100000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:56 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) r1 = perf_event_open(&(0x7f0000000080)={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_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10001}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) r2 = gettid() recvmsg(r0, &(0x7f0000000900)={&(0x7f0000000100)=@nfc_llcp, 0x80, &(0x7f00000007c0)=[{&(0x7f0000000180)=""/157, 0x9d}, {&(0x7f0000000280)=""/78, 0x4e}, {&(0x7f0000000300)=""/173, 0xad}, {&(0x7f00000003c0)=""/4, 0x4}, {&(0x7f0000000400)=""/214, 0xd6}, {&(0x7f0000000500)=""/73, 0x49}, {&(0x7f0000000580)=""/113, 0x71}, {&(0x7f0000000600)=""/16, 0x10}, {&(0x7f0000000640)=""/227, 0xe3}, {&(0x7f0000000740)=""/84, 0x54}], 0xa, &(0x7f0000000880)=""/77, 0x4d, 0x1ff}, 0x40) r3 = gettid() kcmp(r2, r3, 0x7, r0, r1) [ 666.102618] FAULT_INJECTION: forcing a failure. [ 666.102618] name failslab, interval 1, probability 0, space 0, times 0 [ 666.114578] CPU: 0 PID: 16266 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 666.121442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 666.130817] Call Trace: [ 666.133439] dump_stack+0x1b9/0x294 [ 666.137452] ? dump_stack_print_info.cold.2+0x52/0x52 [ 666.142693] should_fail.cold.4+0xa/0x1a [ 666.146789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 666.151927] ? __might_sleep+0x95/0x190 [ 666.155942] ? graph_lock+0x170/0x170 [ 666.159767] ? __mutex_lock+0x7d9/0x17f0 [ 666.163869] ? find_held_lock+0x36/0x1c0 [ 666.167974] ? __lock_is_held+0xb5/0x140 [ 666.172091] ? check_same_owner+0x320/0x320 [ 666.176453] ? rcu_note_context_switch+0x710/0x710 [ 666.181426] should_failslab+0x124/0x180 [ 666.185526] __kmalloc_track_caller+0x2c4/0x760 [ 666.190230] ? kasan_check_read+0x11/0x20 [ 666.194406] ? do_raw_spin_unlock+0x9e/0x2e0 [ 666.198861] ? kstrdup_const+0x66/0x80 2018/04/09 10:17:57 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000200000000000000000000"], 0x38}, 0x0) [ 666.202781] kstrdup+0x39/0x70 [ 666.206000] kstrdup_const+0x66/0x80 [ 666.209744] __kernfs_new_node+0xa8/0x580 [ 666.213931] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 666.218713] ? find_held_lock+0x36/0x1c0 [ 666.222803] ? kasan_check_read+0x11/0x20 [ 666.226974] ? read_word_at_a_time+0x12/0x20 [ 666.231411] ? strscpy+0x170/0x510 [ 666.234975] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 666.240557] kernfs_new_node+0x80/0xf0 [ 666.244479] __kernfs_create_file+0x4d/0x330 [ 666.248925] cgroup_addrm_files+0x437/0xaf0 2018/04/09 10:17:57 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x4) 2018/04/09 10:17:57 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 666.253292] ? cgroup_css.part.14+0x1f0/0x1f0 [ 666.257912] ? __getnstimeofday64+0x3a8/0x500 [ 666.262446] ? getrawmonotonic64+0x4e0/0x4e0 [ 666.266888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.272454] ? kernfs_active+0x128/0x1b0 [ 666.276553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.282123] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 666.286644] ? cgroup_file_name+0x1f0/0x1f0 [ 666.291008] css_populate_dir+0x35f/0x420 [ 666.295186] cgroup_mkdir+0x807/0x10d0 [ 666.299117] ? cgroup_destroy_locked+0x7c0/0x7c0 2018/04/09 10:17:57 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) 2018/04/09 10:17:57 executing program 4: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x0, 0x44031, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000340)={0x0, 0x3, &(0x7f0000000280)=@raw=[@exit={0x95}, @alu, @map={0x18, 0x0, 0x1}], &(0x7f00000003c0)="02000000", 0x0, 0x9d, &(0x7f00000000c0)=""/251}, 0x117) [ 666.303907] ? put_itimerspec64+0x310/0x310 [ 666.308257] ? set_nlink+0xaf/0x140 [ 666.311907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.317473] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 666.323300] ? kernfs_get_active+0xb2/0x120 [ 666.327645] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 666.332428] kernfs_iop_mkdir+0x159/0x1e0 [ 666.336601] ? getname_flags+0xd0/0x5a0 [ 666.340604] vfs_mkdir+0x42e/0x6b0 [ 666.344170] do_mkdirat+0x266/0x2f0 [ 666.347827] ? SyS_mknod+0x40/0x40 [ 666.351397] ? ksys_mount+0xa8/0x140 [ 666.355145] ? do_syscall_64+0xb7/0x9d0 [ 666.359158] SyS_mkdir+0x22/0x30 [ 666.362542] ? SyS_mkdirat+0x30/0x30 [ 666.366281] do_syscall_64+0x29e/0x9d0 [ 666.370182] ? vmalloc_sync_all+0x30/0x30 [ 666.374351] ? _raw_spin_unlock_irq+0x27/0x70 [ 666.378874] ? finish_task_switch+0x1ca/0x820 [ 666.383397] ? syscall_return_slowpath+0x5c0/0x5c0 [ 666.388360] ? syscall_return_slowpath+0x30f/0x5c0 [ 666.393321] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 666.398724] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/04/09 10:17:57 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x6) [ 666.403771] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 666.408980] RIP: 0033:0x455259 [ 666.412190] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 666.419938] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 666.427227] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 666.434514] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 666.441802] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 666.449106] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000009 [ 666.456760] cgroup: cgroup_addrm_files: failed to add cgroup.procs, err=-12 2018/04/09 10:17:57 executing program 7 (fault-call:4 fault-nth:10): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:17:57 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) r2 = fcntl$dupfd(r0, 0x406, r0) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) write$evdev(r2, &(0x7f0000000180)=[{{0x0, 0x7530}, 0x0, 0x69e6, 0x6}, {{r3, r4/1000+30000}, 0x8, 0x200, 0x2}, {{r5, r6/1000+10000}, 0x7, 0x5, 0x4}, {{}, 0x401, 0x69b6, 0x40}, {{0x77359400}, 0x3f, 0x7, 0x1c0000}, {{r7, r8/1000+10000}, 0x9, 0xa2a, 0x101}, {{}, 0x8, 0xab, 0x1ff}, {{}, 0x87d, 0x4, 0x6}, {{0x0, 0x7530}, 0xefc8, 0x6, 0xf7d}], 0xd8) sendfile(r1, r1, &(0x7f0000000100), 0x3) 2018/04/09 10:17:57 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x100000000000000) 2018/04/09 10:17:57 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000280)='/dev/vcs\x00', 0x10600, 0x0) getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f00000000c0)=@assoc_id=0x0, &(0x7f0000000100)=0x4) rmdir(&(0x7f0000000200)='./file0\x00') setsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000140)={r2, @in={{0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}}}, 0x84) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080)=0x1000, 0x3a4) ioctl$sock_bt_bnep_BNEPGETSUPPFEAT(r1, 0x800442d4, &(0x7f0000000040)=0xc88) r3 = gettid() ptrace$pokeuser(0x6, r3, 0x10000, 0x6) openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0xa0240, 0x118) 2018/04/09 10:17:57 executing program 4: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x2, &(0x7f00005a5000)=0x7b, 0x4) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) sendto$inet(r0, &(0x7f0000617fc9), 0x0, 0x20000000, &(0x7f0000deaff0)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) fchmod(r0, 0x0) setsockopt$inet_dccp_buf(r0, 0x21, 0xc, &(0x7f0000000000)="21abc745fc1fcdf6dc6b59203510c05d128f89c9e703cdf9c2ceb3440ae3b56d8b57f192939bc2e1609849eea7ea7f89adc799a92f6167c02e563e3369b114ed50391333cedfcaaec0d8cbb2f32706fb54700468a00310601e281dcace92121db7031d7fdb27c7dc3b98a961904ad82c302bd2af825fa5178c3b62fc02888601fa8e830f06e66e47a3e32fe5195a927200e1af7594556c80b46175df9d6ce44d18fe3e6445da93aa5c14d8f65d058ce04ada6e6b68779debb7e6dde057720b92d45f287720e53aef820cb7fa8f4254cd844da5251b1d043fc1998e088c", 0xdd) sendto$inet(r0, &(0x7f0000189000)="59c39b3ffda32e60e3b3f0575061f1f2085409d2f6bc043a5e70350c450a2bc0436bfc1f2246192dd89214ba7b10c1a0b74caf5bf66ba628084b20051b2d011e0d1c84512180ae36180285db43c2cbfa85f04d1bbcf99fa457733e315b5f0e3dd33dccf77a87e15bf02c16be41b28c26", 0x70, 0x8000, &(0x7f0000581000)={0x2, 0x0, @multicast2=0xe0000002}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0xc, &(0x7f0000ec5000)=0x100, 0x4) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000200)={'bpq0\x00', {0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}}) r1 = dup(r0) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f0000000140)={0x0, 0x2}, &(0x7f0000000180)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x18, &(0x7f00000001c0)={r2, 0x1}, 0x8) 2018/04/09 10:17:57 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000040000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:57 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:57 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r0, 0xc0086420, &(0x7f0000000080)={0x0}) ioctl$DRM_IOCTL_DMA(r0, 0xc0406429, &(0x7f00000001c0)={r2, 0x8, &(0x7f00000000c0)=[0x1000, 0x1c, 0x4, 0x3, 0x7, 0x3f, 0x2, 0x1ff], &(0x7f0000000100)=[0x5, 0x8], 0x1, 0x0, 0x4, &(0x7f0000000140), &(0x7f0000000180)=[0x8]}) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:17:57 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) write$binfmt_elf64(r0, &(0x7f0000000280)={{0x7f, 0x45, 0x4c, 0x46, 0x6, 0x101, 0x40, 0xfffffffffffffffc, 0x400, 0x3, 0x3f, 0x3f, 0x5f, 0x40, 0x1bb, 0x6, 0xfffffffffffffffd, 0x38, 0x1, 0x20, 0x0, 0x1}, [{0x70000000, 0x542, 0x0, 0x5, 0xa5c, 0x400, 0x10000, 0x7f}], "caa9b416acabafd8c62f22202faeb53ebdb9498462ff0bc9551286772605bfc77fc5641e4741e4f25338231c35d032da14c0873fc186f89eb102295d2684394a8c0b220b60552869131306a35650b3e70c30fd3b3d1bc4bd830a4c1549774d1566bd8e53be9d8ca42f08cab8f22cef8c3ff39cdaa2a04f5ec65cd33afd3ed619a2922bc577784e0150e59af41a82432737cb0c4d9c149c3535c135b944b91ffb471f8245ef1d6d957068683ef7cff0c4e317efbbe8d52ed368e0a55afa0683ba", [[], [], [], [], [], [], []]}, 0x838) [ 666.642730] FAULT_INJECTION: forcing a failure. [ 666.642730] name failslab, interval 1, probability 0, space 0, times 0 [ 666.654201] CPU: 0 PID: 16330 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 666.661067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 666.670446] Call Trace: [ 666.673060] dump_stack+0x1b9/0x294 [ 666.676727] ? dump_stack_print_info.cold.2+0x52/0x52 [ 666.681965] should_fail.cold.4+0xa/0x1a [ 666.686046] ? kstrdup_const+0x66/0x80 [ 666.689965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 666.695092] ? kernfs_iop_mkdir+0x159/0x1e0 [ 666.699438] ? do_mkdirat+0x266/0x2f0 [ 666.703259] ? SyS_mkdir+0x22/0x30 [ 666.706835] ? do_syscall_64+0x29e/0x9d0 [ 666.710918] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 666.716314] ? graph_lock+0x170/0x170 [ 666.720155] ? find_held_lock+0x36/0x1c0 [ 666.724260] ? find_held_lock+0x36/0x1c0 [ 666.728366] ? __lock_is_held+0xb5/0x140 [ 666.732489] ? check_same_owner+0x320/0x320 [ 666.736846] ? rcu_note_context_switch+0x710/0x710 2018/04/09 10:17:57 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_QUERY_BPF(r0, 0xc008240a, &(0x7f0000000080)={0x1, 0x0, [0x0]}) r1 = syz_open_dev$sg(&(0x7f00000000c0)='/dev/sg#\x00', 0x6, 0x200) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) [ 666.741804] ? rcu_read_lock_sched_held+0x108/0x120 [ 666.746857] should_failslab+0x124/0x180 [ 666.750953] kmem_cache_alloc+0x2af/0x760 [ 666.755124] ? memcpy+0x45/0x50 [ 666.758427] ? kstrdup+0x59/0x70 [ 666.761827] __kernfs_new_node+0xe7/0x580 [ 666.766001] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 666.770786] ? find_held_lock+0x36/0x1c0 [ 666.774877] ? kasan_check_read+0x11/0x20 [ 666.779047] ? read_word_at_a_time+0x12/0x20 [ 666.783479] ? strscpy+0x170/0x510 [ 666.787043] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 2018/04/09 10:17:57 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 666.792622] kernfs_new_node+0x80/0xf0 [ 666.796539] __kernfs_create_file+0x4d/0x330 [ 666.800977] cgroup_addrm_files+0x437/0xaf0 [ 666.805340] ? cgroup_css.part.14+0x1f0/0x1f0 [ 666.809867] ? __getnstimeofday64+0x3a8/0x500 [ 666.814392] ? getrawmonotonic64+0x4e0/0x4e0 [ 666.818831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.824387] ? kernfs_active+0x128/0x1b0 [ 666.828481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.834046] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 666.838567] ? cgroup_file_name+0x1f0/0x1f0 2018/04/09 10:17:57 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f00000000c0)={0x0, 0xcf, "d5c10b9e0435f77d491c2ad4513891970b5989ec3e158fd2c9ce0d8324f28bb5f0f43ed285f21d1e55b966e537bc516efa0a5ff80d64bdfb548613a0e54fd91e59bb5d1b468feafd7e761dc0980b092d8afc947e640d23209018fec957db81c8ea07ea30b6d24184d6765d7947da0379b0e92083f7d0727a08dea6ed74dc3414dcd9ab60acd2cf1675a927ffb13d154d21cdaf11bfb51dedf6f5a58fc19049bbc6add51e7a6366b14070b2e47b03cdec29c3dd69bb03b6f2d9d03be378e020f79f86fb51cc8ee585d15e80d2a9e078"}, &(0x7f0000000040)=0xd7) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000280)={r3, @in={{0x2, 0x4e24, @multicast2=0xe0000002}}, 0x9, 0x7, 0x8, 0x9, 0x4}, &(0x7f00000001c0)=0x98) 2018/04/09 10:17:57 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xe803000000000000) 2018/04/09 10:17:57 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 666.842928] css_populate_dir+0x35f/0x420 [ 666.847111] cgroup_mkdir+0x807/0x10d0 [ 666.851034] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 666.855810] ? put_itimerspec64+0x310/0x310 [ 666.860155] ? set_nlink+0xaf/0x140 [ 666.863799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.869366] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 666.874924] ? kernfs_get_active+0xb2/0x120 [ 666.879269] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 666.884050] kernfs_iop_mkdir+0x159/0x1e0 [ 666.888215] ? getname_flags+0xd0/0x5a0 [ 666.892216] vfs_mkdir+0x42e/0x6b0 [ 666.895780] do_mkdirat+0x266/0x2f0 [ 666.899434] ? SyS_mknod+0x40/0x40 [ 666.902992] ? ksys_mount+0xa8/0x140 [ 666.906723] ? do_syscall_64+0xb7/0x9d0 [ 666.910721] SyS_mkdir+0x22/0x30 [ 666.914105] ? SyS_mkdirat+0x30/0x30 [ 666.917832] do_syscall_64+0x29e/0x9d0 [ 666.921745] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 666.926610] ? syscall_return_slowpath+0x5c0/0x5c0 [ 666.931556] ? syscall_return_slowpath+0x30f/0x5c0 [ 666.936509] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 2018/04/09 10:17:57 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000400000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:57 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x400000000000000) [ 666.941903] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 666.946783] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 666.951985] RIP: 0033:0x455259 [ 666.955182] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 666.962916] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 666.970201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 666.977483] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 666.984771] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 666.992056] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000000a [ 666.999768] cgroup: cgroup_addrm_files: failed to add cgroup.procs, err=-12 2018/04/09 10:17:58 executing program 7 (fault-call:4 fault-nth:11): 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) 2018/04/09 10:17:58 executing program 4: r0 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x9, 0x5e1800) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(0xffffffffffffff9c, 0x84, 0x76, &(0x7f0000000040)={0x0, 0x3}, &(0x7f0000000080)=0x8) openat$audio(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/audio\x00', 0x503000, 0x0) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f0000000100)={r1, @in={{0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1a}}}}, 0x84) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f00000000c0)={r1, 0x3, 0x10}, 0xfffffffffffffd6f) socket$vsock_stream(0x28, 0x1, 0x0) r2 = socket$netlink(0x10, 0x3, 0x1000000000004) ioctl$TIOCLINUX4(r0, 0x541c, &(0x7f0000000200)=0x4) recvmmsg(r2, &(0x7f0000003a00)=[{{0x0, 0x0, &(0x7f00000029c0), 0x0, &(0x7f0000002a00)=""/4096, 0x1000}}], 0x1, 0x0, &(0x7f0000003a40)={0x0, 0x989680}) writev(r2, &(0x7f00000a8000)=[{&(0x7f0000aef000)="580000001400192300bb4b80040d8c562806f0ffffff04106a9643c218fe59a2e04a03ca8164243e890000000a215a0004fbf50dfff90003a5000004001ce1ed5e0000000000221f100001000700f8ffff0000ec6b0f536e", 0x58}], 0x1) 2018/04/09 10:17:58 executing program 0: openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r0 = syz_open_dev$dspn(&(0x7f0000000200)='/dev/dsp#\x00', 0x8, 0x18000) ioctl$DRM_IOCTL_RM_MAP(r0, 0x4028641b, &(0x7f0000000180)={0x0, 0x0, 0x3, 0x2, &(0x7f0000fff000/0x1000)=nil, 0xaff000004}) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x505000, 0x0) sendmsg$nl_route(r0, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)=@getnetconf={0x14, 0x52, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", ""]}, 0x14}, 0x1}, 0x40000) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r1, 0x28, 0x1, &(0x7f0000000080)=0x2, 0x8) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000100), 0x3) 2018/04/09 10:17:58 executing program 1: r0 = memfd_create(&(0x7f00000001c0)='\x00', 0x3) setsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000240)=0x2, 0x4) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1b, &(0x7f0000000080)=ANY=[@ANYRES32=0x0, @ANYBLOB="7c00000020985bfe455450b3e129a152a07fa8e6e07f921e8a0ce0cb594ea1e61bf614938efe9e0eb253c3c2d5dc7cdc940a5bdb288700a83c4574c9cc6554b1b98df16f386a40af0bfe1b018d57443afaed791e565ddfdf24651131f33b9ad6aba63fe00100000000b5de02c60d2eeae52b84417ee0408f69cd4f4ffd142500"], &(0x7f0000000140)=0x84) socketpair$inet_sctp(0x2, 0xfffffffffffffffe, 0x84, &(0x7f0000000200)={0xffffffffffffffff}) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000180)={r1, 0x4}, 0x8) pipe(&(0x7f0000000040)) r3 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r3, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {{}, 0x8}], 0x30) ioctl(r3, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:17:58 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) time(&(0x7f0000000000)) 2018/04/09 10:17:58 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:58 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x3000000) 2018/04/09 10:17:58 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000200000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:58 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000001000000000000"], 0x38}, 0x0) [ 667.637718] FAULT_INJECTION: forcing a failure. [ 667.637718] name failslab, interval 1, probability 0, space 0, times 0 [ 667.649177] CPU: 0 PID: 16392 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 667.656050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 667.665422] Call Trace: [ 667.668036] dump_stack+0x1b9/0x294 [ 667.671696] ? dump_stack_print_info.cold.2+0x52/0x52 [ 667.676932] should_fail.cold.4+0xa/0x1a [ 667.681028] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:17:58 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) unshare(0x2002000) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mprotect(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x1000000) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) [ 667.686163] ? __lock_acquire+0x7f5/0x5130 [ 667.690421] ? graph_lock+0x170/0x170 [ 667.694259] ? find_held_lock+0x36/0x1c0 [ 667.698355] ? __lock_is_held+0xb5/0x140 [ 667.702472] ? check_same_owner+0x320/0x320 [ 667.706828] ? rcu_note_context_switch+0x710/0x710 [ 667.711794] should_failslab+0x124/0x180 [ 667.715886] __kmalloc_track_caller+0x2c4/0x760 [ 667.720575] ? kasan_check_read+0x11/0x20 [ 667.724750] ? graph_lock+0x170/0x170 [ 667.728575] ? kstrdup_const+0x66/0x80 [ 667.732486] kstrdup+0x39/0x70 2018/04/09 10:17:58 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000020000000000"], 0x38}, 0x0) [ 667.735702] kstrdup_const+0x66/0x80 [ 667.739439] __kernfs_new_node+0xa8/0x580 [ 667.743615] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 667.748396] ? kasan_check_read+0x11/0x20 [ 667.752563] ? read_word_at_a_time+0x12/0x20 [ 667.756996] ? strscpy+0x170/0x510 [ 667.760577] kernfs_new_node+0x80/0xf0 [ 667.764496] __kernfs_create_file+0x4d/0x330 [ 667.768933] cgroup_addrm_files+0x437/0xaf0 [ 667.773294] ? cgroup_css.part.14+0x1f0/0x1f0 [ 667.777817] ? __getnstimeofday64+0x3a8/0x500 [ 667.782361] ? getrawmonotonic64+0x4e0/0x4e0 2018/04/09 10:17:58 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xf401) 2018/04/09 10:17:58 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 667.786822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.792375] ? kernfs_active+0x128/0x1b0 [ 667.796464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.802015] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 667.806526] ? cgroup_file_name+0x1f0/0x1f0 [ 667.810882] css_populate_dir+0x35f/0x420 [ 667.815057] cgroup_mkdir+0x807/0x10d0 [ 667.819248] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 667.824032] ? put_itimerspec64+0x310/0x310 [ 667.828385] ? set_nlink+0xaf/0x140 [ 667.832119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.837678] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 667.843238] ? kernfs_get_active+0xb2/0x120 [ 667.847581] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 667.852364] kernfs_iop_mkdir+0x159/0x1e0 [ 667.856529] ? getname_flags+0xd0/0x5a0 [ 667.860530] vfs_mkdir+0x42e/0x6b0 [ 667.864097] do_mkdirat+0x266/0x2f0 [ 667.867750] ? SyS_mknod+0x40/0x40 [ 667.871316] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 667.876180] ? do_syscall_64+0xb7/0x9d0 [ 667.880175] SyS_mkdir+0x22/0x30 [ 667.883558] ? SyS_mkdirat+0x30/0x30 2018/04/09 10:17:58 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xa00) [ 667.887291] do_syscall_64+0x29e/0x9d0 [ 667.891192] ? vmalloc_sync_all+0x30/0x30 [ 667.895357] ? _raw_spin_unlock_irq+0x27/0x70 [ 667.899870] ? finish_task_switch+0x1ca/0x820 [ 667.904388] ? syscall_return_slowpath+0x5c0/0x5c0 [ 667.909338] ? syscall_return_slowpath+0x30f/0x5c0 [ 667.914294] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 667.919686] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 667.924655] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 667.929861] RIP: 0033:0x455259 2018/04/09 10:17:58 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x2c, &(0x7f0000000080), 0x4) 2018/04/09 10:17:58 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000080)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) [ 667.933058] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 667.940792] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 667.948079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 667.955363] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 667.962648] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 667.970196] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000000b [ 667.977858] cgroup: cgroup_addrm_files: failed to add cgroup.threads, err=-12 2018/04/09 10:17:59 executing program 7 (fault-call:4 fault-nth:12): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:17:59 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r1 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0xffffffff, 0x10000) ioctl$KVM_GET_PIT(r1, 0xc048ae65, &(0x7f00000000c0)) 2018/04/09 10:17:59 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) syz_open_dev$sg(&(0x7f0000000080)='/dev/sg#\x00', 0xfffffffffffffffa, 0x400) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:17:59 executing program 4: r0 = gettid() r1 = dup2(0xffffffffffffff9c, 0xffffffffffffffff) ioctl$VHOST_GET_VRING_ENDIAN(r1, 0x4008af14, &(0x7f0000000080)={0x3, 0x7c}) r2 = syz_open_procfs(r0, &(0x7f0000000140)="6170f765760000000000655281b7a5c511c9ddf16f12cb89d9993280156d76d76b8ff336bb920c05a7fe8410d0e3977bb599f2044d97ee9b966d3d81279710369fed526a1b69aa21b56c0722f342b44817262d9fe07ee512fd00dfbb3bc0e37bec1475de274563302b9c3d03eb2569877bc74cf50953b191341e67eba3c5d424f35ebfc0aa34e5f7acfeb60b77cc91c72bea7e7b0850c0") perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r2, r2, &(0x7f0000000040)=0x400000, 0x400000ff) 2018/04/09 10:17:59 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) getpid() 2018/04/09 10:17:59 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:59 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x3) 2018/04/09 10:17:59 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000004000000000000"], 0x38}, 0x0) [ 668.519793] FAULT_INJECTION: forcing a failure. [ 668.519793] name failslab, interval 1, probability 0, space 0, times 0 [ 668.531177] CPU: 0 PID: 16443 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 668.538035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 668.547435] Call Trace: [ 668.550059] dump_stack+0x1b9/0x294 [ 668.553714] ? dump_stack_print_info.cold.2+0x52/0x52 [ 668.558946] should_fail.cold.4+0xa/0x1a [ 668.563026] ? kstrdup_const+0x66/0x80 [ 668.566948] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 668.572081] ? kernfs_iop_mkdir+0x159/0x1e0 [ 668.576420] ? do_mkdirat+0x266/0x2f0 [ 668.580237] ? SyS_mkdir+0x22/0x30 [ 668.583800] ? do_syscall_64+0x29e/0x9d0 [ 668.587876] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 668.593265] ? graph_lock+0x170/0x170 [ 668.597090] ? find_held_lock+0x36/0x1c0 [ 668.601192] ? find_held_lock+0x36/0x1c0 [ 668.605286] ? __lock_is_held+0xb5/0x140 [ 668.609392] ? check_same_owner+0x320/0x320 [ 668.613738] ? rcu_note_context_switch+0x710/0x710 [ 668.618688] ? rcu_read_lock_sched_held+0x108/0x120 [ 668.623732] should_failslab+0x124/0x180 [ 668.627830] kmem_cache_alloc+0x2af/0x760 [ 668.631993] ? memcpy+0x45/0x50 [ 668.635293] ? kstrdup+0x59/0x70 [ 668.638697] __kernfs_new_node+0xe7/0x580 [ 668.642877] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 668.647662] ? kasan_check_read+0x11/0x20 [ 668.651842] ? read_word_at_a_time+0x12/0x20 [ 668.656276] ? strscpy+0x170/0x510 [ 668.659862] kernfs_new_node+0x80/0xf0 [ 668.663787] __kernfs_create_file+0x4d/0x330 2018/04/09 10:17:59 executing program 0: r0 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x20, 0x200) getsockname$llc(r0, &(0x7f0000000080), &(0x7f00000000c0)=0x10) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r2, r2, &(0x7f0000000100), 0x3) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000180)='/dev/vga_arbiter\x00', 0x1, 0x0) lseek(r0, 0x0, 0x3) 2018/04/09 10:17:59 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000001000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:59 executing program 4: setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(0xffffffffffffffff, 0x84, 0x6b, &(0x7f0000001000)=[@in={0x2}, @in6={0xa, 0x0, 0x4, @mcast2={0xff, 0x2, [], 0x1}}], 0x2c) r0 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0xffffffffffff8000, 0x2) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f0000000040)={0x0, 0x80000001, 0x20, 0x7, 0xfffffffffffff001}, &(0x7f0000000080)=0x18) setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f00000000c0)={0x2, 0x400, 0x8208, 0xf427, 0x80de, 0x2, 0x6, 0x9, r1}, 0x20) 2018/04/09 10:17:59 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xa) [ 668.668326] cgroup_addrm_files+0x437/0xaf0 [ 668.672695] ? cgroup_css.part.14+0x1f0/0x1f0 [ 668.677219] ? __getnstimeofday64+0x3a8/0x500 [ 668.681739] ? getrawmonotonic64+0x4e0/0x4e0 [ 668.686174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.691725] ? kernfs_active+0x128/0x1b0 [ 668.695814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.701372] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 668.705890] ? cgroup_file_name+0x1f0/0x1f0 [ 668.710246] css_populate_dir+0x35f/0x420 [ 668.714424] cgroup_mkdir+0x807/0x10d0 2018/04/09 10:17:59 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:59 executing program 4: r0 = getpid() getpid() perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x101c00, 0x0) ioctl$DRM_IOCTL_CONTROL(r1, 0x40086414, &(0x7f0000000180)={0x3, 0x5}) ioctl$TIOCLINUX3(r1, 0x541c, &(0x7f00000009c0)=0x3) ioctl$TIOCGSID(r1, 0x5429, &(0x7f00000007c0)) process_vm_writev(r0, &(0x7f0000000900)=[{&(0x7f0000000080)=""/144, 0x90}, {&(0x7f00000001c0)=""/141, 0x8d}, {&(0x7f0000000140)=""/9, 0x9}, {&(0x7f0000000280)=""/218, 0xda}, {&(0x7f0000000380)=""/143, 0x8f}, {&(0x7f0000000440)=""/240, 0xf0}, {&(0x7f0000000540)=""/243, 0xf3}, {&(0x7f0000000640)=""/201, 0xc9}, {&(0x7f0000000800)=""/249, 0xf9}], 0x9, &(0x7f0000002e00)=[{&(0x7f00000019c0)=""/4096, 0x1000}, {&(0x7f0000000740)=""/36, 0x24}, {&(0x7f00000029c0)=""/160, 0xa0}, {&(0x7f0000002a80)=""/145, 0x91}, {&(0x7f0000002b40)=""/141, 0x8d}, {&(0x7f0000002c00)=""/212, 0xd4}, {&(0x7f0000002d00)=""/99, 0x63}, {&(0x7f0000002d80)=""/85, 0x55}, {&(0x7f0000000780)=""/30, 0x1e}], 0x9, 0x0) ioctl$KDGKBMODE(r1, 0x4b44, &(0x7f0000000a00)) [ 668.718343] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 668.723109] ? put_itimerspec64+0x310/0x310 [ 668.727454] ? set_nlink+0xaf/0x140 [ 668.731104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.736667] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 668.742222] ? kernfs_get_active+0xb2/0x120 [ 668.746570] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 668.751351] kernfs_iop_mkdir+0x159/0x1e0 [ 668.755518] ? getname_flags+0xd0/0x5a0 [ 668.759518] vfs_mkdir+0x42e/0x6b0 [ 668.763090] do_mkdirat+0x266/0x2f0 [ 668.766746] ? SyS_mknod+0x40/0x40 [ 668.770317] ? ksys_mount+0xa8/0x140 [ 668.774054] ? do_syscall_64+0xb7/0x9d0 [ 668.778055] SyS_mkdir+0x22/0x30 [ 668.781434] ? SyS_mkdirat+0x30/0x30 [ 668.785204] do_syscall_64+0x29e/0x9d0 [ 668.789083] ? vmalloc_sync_all+0x30/0x30 [ 668.793228] ? _raw_spin_unlock_irq+0x27/0x70 [ 668.797721] ? finish_task_switch+0x1ca/0x820 [ 668.802215] ? syscall_return_slowpath+0x5c0/0x5c0 [ 668.807139] ? syscall_return_slowpath+0x30f/0x5c0 [ 668.812071] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 668.817437] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 668.822283] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 668.827573] RIP: 0033:0x455259 [ 668.830753] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 668.838460] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 668.845722] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 668.852985] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 668.860251] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 2018/04/09 10:17:59 executing program 6: socketpair(0x3, 0x6, 0x5, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f0000000040)=[{0x3, 0x2}, {0xb}, {0x4, 0xae67}, {0x0, 0x8279}], 0x4) r2 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r2, 0x1, 0xe, &(0x7f0000000080), 0x4) ioctl$VHOST_SET_LOG_BASE(r1, 0x4008af04, &(0x7f00000001c0)=&(0x7f0000000180)) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, r0, &(0x7f0000000140)) getsockopt$IP_VS_SO_GET_TIMEOUT(r2, 0x0, 0x486, &(0x7f00000000c0), &(0x7f0000000100)=0xc) [ 668.867513] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000000c [ 668.875213] cgroup: cgroup_addrm_files: failed to add cgroup.threads, err=-12 2018/04/09 10:17:59 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:59 executing program 7 (fault-call:4 fault-nth:13): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:17:59 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$usbmon(&(0x7f000004cff3)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9208, 0xff) 2018/04/09 10:17:59 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) 2018/04/09 10:17:59 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xffffff7f00000000) 2018/04/09 10:17:59 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) accept$ipx(r0, &(0x7f0000000080), &(0x7f00000000c0)=0x10) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/04/09 10:17:59 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000002000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:59 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r1 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0xffff, 0x200400) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffff9c, 0x84, 0x1, &(0x7f0000000040)={0x0, 0x20, 0x0, 0xfffffffffffffffa, 0x4, 0x9}, &(0x7f00000000c0)=0x14) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f0000000100)={r2, 0x4}, 0x8) 2018/04/09 10:17:59 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:17:59 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000400000000000000000000"], 0x38}, 0x0) 2018/04/09 10:17:59 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x6000000) [ 669.137087] FAULT_INJECTION: forcing a failure. [ 669.137087] name failslab, interval 1, probability 0, space 0, times 0 [ 669.148490] CPU: 0 PID: 16517 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 669.155348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 669.164722] Call Trace: [ 669.167341] dump_stack+0x1b9/0x294 [ 669.171011] ? dump_stack_print_info.cold.2+0x52/0x52 [ 669.176258] should_fail.cold.4+0xa/0x1a [ 669.180352] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:18:00 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000004000000000000000000000000"], 0x38}, 0x0) [ 669.185484] ? __might_sleep+0x95/0x190 [ 669.189495] ? graph_lock+0x170/0x170 [ 669.193320] ? __mutex_lock+0x7d9/0x17f0 [ 669.197408] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 669.202463] ? find_held_lock+0x36/0x1c0 [ 669.206558] ? __lock_is_held+0xb5/0x140 [ 669.210665] ? check_same_owner+0x320/0x320 [ 669.215019] ? rcu_note_context_switch+0x710/0x710 [ 669.219989] should_failslab+0x124/0x180 [ 669.224083] __kmalloc_track_caller+0x2c4/0x760 [ 669.228785] ? kasan_check_read+0x11/0x20 [ 669.232967] ? do_raw_spin_unlock+0x9e/0x2e0 2018/04/09 10:18:00 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000002000000000000000000000000"], 0x38}, 0x0) [ 669.237402] ? kstrdup_const+0x66/0x80 [ 669.241324] kstrdup+0x39/0x70 [ 669.244552] kstrdup_const+0x66/0x80 [ 669.248293] __kernfs_new_node+0xa8/0x580 [ 669.252482] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 669.257270] ? kasan_check_read+0x11/0x20 [ 669.261440] ? read_word_at_a_time+0x12/0x20 [ 669.265876] ? strscpy+0x170/0x510 [ 669.269443] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 669.275020] kernfs_new_node+0x80/0xf0 [ 669.278949] __kernfs_create_file+0x4d/0x330 [ 669.283392] cgroup_addrm_files+0x437/0xaf0 2018/04/09 10:18:00 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xeffdffff) [ 669.287756] ? cgroup_css.part.14+0x1f0/0x1f0 [ 669.293369] ? __getnstimeofday64+0x3a8/0x500 [ 669.297903] ? getrawmonotonic64+0x4e0/0x4e0 [ 669.302341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.307908] ? kernfs_active+0x128/0x1b0 [ 669.312002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.317566] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 669.322086] ? cgroup_file_name+0x1f0/0x1f0 [ 669.326443] css_populate_dir+0x35f/0x420 [ 669.330625] cgroup_mkdir+0x807/0x10d0 2018/04/09 10:18:00 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000010000000000"], 0x38}, 0x0) [ 669.334547] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 669.339333] ? put_itimerspec64+0x310/0x310 [ 669.343682] ? set_nlink+0xaf/0x140 [ 669.347334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.352903] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 669.358464] ? kernfs_get_active+0xb2/0x120 [ 669.362815] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 669.367594] kernfs_iop_mkdir+0x159/0x1e0 [ 669.371760] ? getname_flags+0xd0/0x5a0 [ 669.375759] vfs_mkdir+0x42e/0x6b0 [ 669.379320] do_mkdirat+0x266/0x2f0 [ 669.382970] ? SyS_mknod+0x40/0x40 2018/04/09 10:18:00 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xffffff7f) 2018/04/09 10:18:00 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000040000000000000000000000"], 0x38}, 0x0) [ 669.386527] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 669.391393] ? do_syscall_64+0xb7/0x9d0 [ 669.395395] SyS_mkdir+0x22/0x30 [ 669.398778] ? SyS_mkdirat+0x30/0x30 [ 669.402515] do_syscall_64+0x29e/0x9d0 [ 669.406424] ? vmalloc_sync_all+0x30/0x30 [ 669.410594] ? _raw_spin_unlock_irq+0x27/0x70 [ 669.415113] ? finish_task_switch+0x1ca/0x820 [ 669.419628] ? syscall_return_slowpath+0x5c0/0x5c0 [ 669.424582] ? syscall_return_slowpath+0x30f/0x5c0 [ 669.429540] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 669.434936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 669.439821] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 669.445031] RIP: 0033:0x455259 [ 669.448233] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 669.455966] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 669.463257] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 669.470541] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 669.477829] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 669.485116] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000000d [ 669.492643] cgroup: cgroup_addrm_files: failed to add cgroup.controllers, err=-12 2018/04/09 10:18:00 executing program 7 (fault-call:4 fault-nth:14): 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) 2018/04/09 10:18:00 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:00 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000020000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:00 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x4000000) 2018/04/09 10:18:00 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000000080)) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:00 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x20000000000, &(0x7f0000000080), 0x4) 2018/04/09 10:18:00 executing program 4: r0 = inotify_init1(0x0) ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000040)=0x0) fcntl$setown(r0, 0x8, r1) fcntl$getownex(r0, 0x10, &(0x7f0000000000)={0x0, 0x0}) r3 = getpgrp(r2) kcmp(r2, r3, 0x4, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 10:18:00 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='cpu.weight\x00', 0x2, 0x0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000280)='/dev/audio\x00', 0x402, 0x0) recvfrom$llc(r2, &(0x7f00000002c0)=""/129, 0x81, 0x142, &(0x7f0000000380)={0x1a, 0x309, 0x8, 0x1, 0xbf4, 0xf2f9, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) r3 = shmget(0x1, 0x1000, 0xa0, &(0x7f0000ffe000/0x1000)=nil) shmctl$SHM_INFO(r3, 0xe, &(0x7f00000009c0)=""/4096) r4 = dup2(r0, r2) setsockopt$IPT_SO_SET_REPLACE(r2, 0x0, 0x40, &(0x7f00000019c0)=ANY=[@ANYBLOB="6d616e676c65000226000000000000000000000000000000000000000000000000001f0000000600000018050000b8020000b8020000f0010000b8020000d80000008004000080040000800400007f0000008004000006003f82bed5d55187dae41511c4874550c813b2ba3bd2a32223c422c5251b6ae80152082e151f881db4db0bda4081d39e6881e697054f487dae631a37", @ANYPTR=&(0x7f00000003c0)=ANY=[@ANYBLOB="00000000000009000000000008000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008f02aaffb1fe7a192000000000000000000000000000000000000000000000000000000edd7f8ea5271c78799e26279"], @ANYBLOB="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"], 0x578) ioctl$LOOP_SET_FD(r4, 0x4c00, r1) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r4, 0x84, 0x70, &(0x7f0000000180)={0x0, @in6={{0xa, 0x4e20, 0x1000, @local={0xfe, 0x80, [], 0xaa}, 0x1}}, [0x2, 0x1, 0x7, 0x4, 0xa0000000000, 0x0, 0x1f, 0x100000001, 0x4, 0x0, 0x3f, 0x3ff, 0x2, 0xa0, 0x4c0]}, &(0x7f0000000000)=0x100) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r4, 0x84, 0x13, &(0x7f0000000040)={r5, 0x8}, &(0x7f00000000c0)=0x8) sendfile(r1, r1, &(0x7f0000000100), 0x3) [ 669.692768] FAULT_INJECTION: forcing a failure. [ 669.692768] name failslab, interval 1, probability 0, space 0, times 0 [ 669.704278] CPU: 0 PID: 16574 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 669.711139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 669.720512] Call Trace: [ 669.723128] dump_stack+0x1b9/0x294 [ 669.726788] ? dump_stack_print_info.cold.2+0x52/0x52 [ 669.732031] should_fail.cold.4+0xa/0x1a [ 669.736112] ? kstrdup_const+0x66/0x80 2018/04/09 10:18:00 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:00 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xe00) [ 669.740033] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 669.745161] ? kernfs_iop_mkdir+0x159/0x1e0 [ 669.749501] ? do_mkdirat+0x266/0x2f0 [ 669.753318] ? SyS_mkdir+0x22/0x30 [ 669.756877] ? do_syscall_64+0x29e/0x9d0 [ 669.760959] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 669.766352] ? graph_lock+0x170/0x170 [ 669.770179] ? find_held_lock+0x36/0x1c0 [ 669.774284] ? find_held_lock+0x36/0x1c0 [ 669.778386] ? __lock_is_held+0xb5/0x140 [ 669.782497] ? check_same_owner+0x320/0x320 [ 669.786852] ? rcu_note_context_switch+0x710/0x710 2018/04/09 10:18:00 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000100000000"], 0x38}, 0x0) 2018/04/09 10:18:00 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x0, 0x1, &(0x7f0000001fe8)=ANY=[@ANYBLOB="b0e1d2efd502029727"], &(0x7f0000000000)='syzkaller\x00', 0x0, 0xc3, &(0x7f0000009f3d)=""/195}, 0x48) r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x5, &(0x7f0000001fd8)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x25}, [@ldst={0x7}], {0x95}}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0x437, &(0x7f000000cf3d)=""/195}, 0x48) r1 = socket(0x10, 0x3, 0x0) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f0000000040)=r0, 0x4) socket$netlink(0x10, 0x3, 0x4) write(r1, &(0x7f00000005c0)="260000005e0009000000eaf83a0000000000000001000000ffffff000008db1ee9ff4435eade", 0x26) setsockopt$inet_sctp_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000080)={0x1f, 0x6, 0x9cb, 0x5, 0x66, 0x7, 0x4000000000000000, 0x3f, 0x3, 0x7, 0xf93}, 0xb) [ 669.791811] ? rcu_read_lock_sched_held+0x108/0x120 [ 669.796867] should_failslab+0x124/0x180 [ 669.800959] kmem_cache_alloc+0x2af/0x760 [ 669.805131] ? memcpy+0x45/0x50 [ 669.808437] ? kstrdup+0x59/0x70 [ 669.811843] __kernfs_new_node+0xe7/0x580 [ 669.816032] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 669.820830] ? kasan_check_read+0x11/0x20 [ 669.825013] ? read_word_at_a_time+0x12/0x20 [ 669.829452] ? strscpy+0x170/0x510 [ 669.833027] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 669.838615] kernfs_new_node+0x80/0xf0 [ 669.842531] __kernfs_create_file+0x4d/0x330 [ 669.846948] cgroup_addrm_files+0x437/0xaf0 [ 669.851282] ? cgroup_css.part.14+0x1f0/0x1f0 [ 669.855782] ? __getnstimeofday64+0x3a8/0x500 [ 669.860277] ? getrawmonotonic64+0x4e0/0x4e0 [ 669.864703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.870239] ? kernfs_active+0x128/0x1b0 [ 669.874297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.879843] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 669.884335] ? cgroup_file_name+0x1f0/0x1f0 [ 669.888697] css_populate_dir+0x35f/0x420 [ 669.892847] cgroup_mkdir+0x807/0x10d0 [ 669.896752] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 669.901509] ? put_itimerspec64+0x310/0x310 [ 669.905833] ? set_nlink+0xaf/0x140 [ 669.909463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.915001] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 669.920539] ? kernfs_get_active+0xb2/0x120 [ 669.924875] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 669.929628] kernfs_iop_mkdir+0x159/0x1e0 [ 669.933774] ? getname_flags+0xd0/0x5a0 [ 669.937746] vfs_mkdir+0x42e/0x6b0 [ 669.941285] do_mkdirat+0x266/0x2f0 [ 669.944909] ? SyS_mknod+0x40/0x40 [ 669.948446] ? ksys_mount+0xa8/0x140 [ 669.952155] ? do_syscall_64+0xb7/0x9d0 [ 669.956126] SyS_mkdir+0x22/0x30 [ 669.959485] ? SyS_mkdirat+0x30/0x30 [ 669.963203] do_syscall_64+0x29e/0x9d0 [ 669.967083] ? vmalloc_sync_all+0x30/0x30 [ 669.971226] ? _raw_spin_unlock_irq+0x27/0x70 [ 669.975720] ? finish_task_switch+0x1ca/0x820 [ 669.980215] ? syscall_return_slowpath+0x5c0/0x5c0 [ 669.985147] ? syscall_return_slowpath+0x30f/0x5c0 [ 669.990090] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 669.995456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.000303] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 670.005493] RIP: 0033:0x455259 [ 670.008678] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 670.016383] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 670.023659] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 670.030924] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/09 10:18:00 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r1 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x4, 0x1) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, &(0x7f0000000040)={0x0, 0x4}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000100)={r2, 0x1}, 0x8) [ 670.038186] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 670.045450] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000000e [ 670.053236] cgroup: cgroup_addrm_files: failed to add cgroup.controllers, err=-12 2018/04/09 10:18:00 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) r1 = semget(0x2, 0x3, 0x310) semctl$IPC_INFO(r1, 0x0, 0x3, &(0x7f0000000080)=""/31) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:00 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:00 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000200000000"], 0x38}, 0x0) 2018/04/09 10:18:01 executing program 7 (fault-call:4 fault-nth:15): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:01 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000040000000000"], 0x38}, 0x0) 2018/04/09 10:18:01 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:01 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$RDS_CONG_MONITOR(r0, 0x114, 0x6, &(0x7f0000000080), 0x4) ioctl$DRM_IOCTL_SET_UNIQUE(r0, 0x40106410, &(0x7f00000001c0)={0xcd, &(0x7f00000000c0)="26d2f29ebb5d2036b3bed66ab2eac056a0e7e0a698ecae4ab6d8abe4f78da1eb528bfcd0bca2c5fae75b7bddae21f558dd118489d9c7d833c4fda46c16c03cdc7882ef97482575e0f38fca0c779d6e66cea65d7250fea172775dabe0985fac5df8123e65b4b1a000b50a8ba395b4e830724ba2b2205b60d94d495750bbdac078786b97d5f0a27d27835a7a8e034bdfbbeb4f09a7ada8ccf5356b7f30763094bae15b508be13d2faaf79ccb2402dac4c51da7b03f81bc8ec395cb569fad16ac8576106d786cb9f7c9fa0f756b07"}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f0000000380)={0x7, 0x0, 0x3, 0x31}) ioctl$DRM_IOCTL_SG_ALLOC(r0, 0xc0106438, &(0x7f00000003c0)={0x100, r2}) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000200)={0x0, 0x8001}, &(0x7f0000000280)=0x8) listen(r1, 0x2) setsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f00000002c0)={r3, @in={{0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x11}}}}, 0x84) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:01 executing program 4: socket$inet6(0xa, 0x80000, 0x100) 2018/04/09 10:18:01 executing program 0: r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) fcntl$setflags(r0, 0x2, 0x1) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r2, r2, &(0x7f0000000100), 0x3) 2018/04/09 10:18:01 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x3e8) 2018/04/09 10:18:01 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='net/snmp\x00') ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'bpq0\x00', 0x0}) connect$packet(r1, &(0x7f0000000140)={0x11, 0x1a, r2, 0x1, 0x6, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x14) getsockopt$inet_sctp_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f0000000040), &(0x7f00000000c0)=0x4) socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080)=0x80000000, 0x4) 2018/04/09 10:18:01 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000004000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:01 executing program 1: getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000140)={0x0, 0x94, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x8000, @local={0xfe, 0x80, [], 0xaa}, 0xb4}, @in6={0xa, 0x4e23, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x3}, @in6={0xa, 0x4e22, 0x7, @local={0xfe, 0x80, [], 0xaa}, 0xe51}, @in={0x2, 0x4e20, @multicast2=0xe0000002}, @in={0x2, 0x4e24, @loopback=0x7f000001}, @in={0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, @in={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x17}}]}, &(0x7f0000000180)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffff9c, 0x84, 0x70, &(0x7f0000000280)={0x0, @in={{0x2, 0x4e21, @multicast2=0xe0000002}}, [0x100000001, 0x3, 0x0, 0x8, 0x61e2, 0x3, 0x0, 0x5, 0x1, 0x7, 0x0, 0x3, 0xd30a, 0x10000, 0xc242]}, &(0x7f00000001c0)=0x100) syz_open_dev$adsp(&(0x7f0000000200)='/dev/adsp#\x00', 0x3, 0x0) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f0000000380)={0x0, 0x0, 0x30, 0x8000, 0x8}, &(0x7f00000003c0)=0x18) r0 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, &(0x7f0000000400)={0xd1, 0xc, 0xfff, 0x6}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(0xffffffffffffff9c, 0x84, 0x75, &(0x7f0000000480)={0x0, 0x4}, &(0x7f00000004c0)=0x8) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000500)={r1}, 0x0) pipe(&(0x7f0000000040)) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) syz_open_dev$sg(&(0x7f0000000240)='/dev/sg#\x00', 0xfffffffffffffff8, 0x2000) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) [ 670.399911] FAULT_INJECTION: forcing a failure. [ 670.399911] name failslab, interval 1, probability 0, space 0, times 0 [ 670.411286] CPU: 0 PID: 16646 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 670.418151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 670.427525] Call Trace: [ 670.430142] dump_stack+0x1b9/0x294 [ 670.433812] ? dump_stack_print_info.cold.2+0x52/0x52 [ 670.439061] should_fail.cold.4+0xa/0x1a [ 670.443157] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:18:01 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000360000)={0x0, 0x0, &(0x7f000035d000)={&(0x7f00000001c0)=ANY=[@ANYBLOB="020d000010000000160000000000000003000600000000000200000031ebf8c7000000000000000003000500000000000200000000000000000000000000000008001200020001030000000000000000100000000303000000000000000000001d0000010100c58a47566f8d45157c97ec3a0000000000000000000000000000"], 0x80}, 0x1}, 0x0) sendmsg$key(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x13, 0x0, 0x0, 0x2}, 0x10}, 0x1}, 0x0) 2018/04/09 10:18:01 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0xeffdffff00000000) [ 670.448296] ? __might_sleep+0x95/0x190 [ 670.452310] ? graph_lock+0x170/0x170 [ 670.456134] ? __mutex_lock+0x7d9/0x17f0 [ 670.460235] ? find_held_lock+0x36/0x1c0 [ 670.464330] ? __lock_is_held+0xb5/0x140 [ 670.468438] ? check_same_owner+0x320/0x320 [ 670.472789] ? rcu_note_context_switch+0x710/0x710 [ 670.477758] should_failslab+0x124/0x180 [ 670.481857] __kmalloc_track_caller+0x2c4/0x760 [ 670.486561] ? kasan_check_read+0x11/0x20 [ 670.490748] ? do_raw_spin_unlock+0x9e/0x2e0 [ 670.495196] ? kstrdup_const+0x66/0x80 [ 670.499117] kstrdup+0x39/0x70 [ 670.502342] kstrdup_const+0x66/0x80 [ 670.506096] __kernfs_new_node+0xa8/0x580 [ 670.510287] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 670.515085] ? kasan_check_read+0x11/0x20 [ 670.519258] ? read_word_at_a_time+0x12/0x20 [ 670.523696] ? strscpy+0x170/0x510 [ 670.527257] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 670.532839] kernfs_new_node+0x80/0xf0 [ 670.536759] __kernfs_create_file+0x4d/0x330 [ 670.541198] cgroup_addrm_files+0x437/0xaf0 [ 670.545560] ? cgroup_css.part.14+0x1f0/0x1f0 2018/04/09 10:18:01 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x600000000000000) 2018/04/09 10:18:01 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000010000000000000000"], 0x38}, 0x0) [ 670.550082] ? __getnstimeofday64+0x3a8/0x500 [ 670.554612] ? getrawmonotonic64+0x4e0/0x4e0 [ 670.559053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.564616] ? kernfs_active+0x128/0x1b0 [ 670.568714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.574277] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 670.578799] ? cgroup_file_name+0x1f0/0x1f0 [ 670.583159] css_populate_dir+0x35f/0x420 [ 670.587343] cgroup_mkdir+0x807/0x10d0 [ 670.591274] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 670.596063] ? put_itimerspec64+0x310/0x310 2018/04/09 10:18:01 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mq_open(&(0x7f0000000040)='lo\x00', 0x2, 0x8a, &(0x7f00000000c0)={0xfff, 0x0, 0x0, 0x3ff, 0x9fa, 0x8000, 0x3, 0x3}) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x0, 0x0) setsockopt$inet_group_source_req(r1, 0x0, 0x2c, &(0x7f0000000540)={0x3ff, {{0x2, 0x4e22, @multicast2=0xe0000002}}, {{0x2, 0x4e23}}}, 0x108) ioctl$KVM_GET_LAPIC(r1, 0x8400ae8e, &(0x7f0000000140)={"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"}) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000680)={0x0, @in={{0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x13}}}, 0x0, 0x40, 0x3ff, 0x1000, 0x40}, &(0x7f0000000740)=0x98) setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r1, 0x84, 0x19, &(0x7f0000000780)={r2, 0x6}, 0x8) 2018/04/09 10:18:01 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000020000000000000000"], 0x38}, 0x0) [ 670.600416] ? set_nlink+0xaf/0x140 [ 670.604068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.609633] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 670.615219] ? kernfs_get_active+0xb2/0x120 [ 670.619574] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 670.624452] kernfs_iop_mkdir+0x159/0x1e0 [ 670.628631] ? getname_flags+0xd0/0x5a0 [ 670.632637] vfs_mkdir+0x42e/0x6b0 [ 670.636203] do_mkdirat+0x266/0x2f0 [ 670.639865] ? SyS_mknod+0x40/0x40 [ 670.643441] ? ksys_mount+0xa8/0x140 [ 670.647178] ? do_syscall_64+0xb7/0x9d0 [ 670.651181] SyS_mkdir+0x22/0x30 [ 670.654564] ? SyS_mkdirat+0x30/0x30 [ 670.658308] do_syscall_64+0x29e/0x9d0 [ 670.662220] ? vmalloc_sync_all+0x30/0x30 [ 670.666394] ? _raw_spin_unlock_irq+0x27/0x70 [ 670.670917] ? finish_task_switch+0x1ca/0x820 [ 670.675443] ? syscall_return_slowpath+0x5c0/0x5c0 [ 670.680406] ? syscall_return_slowpath+0x30f/0x5c0 [ 670.685375] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 670.690777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.695653] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 670.700861] RIP: 0033:0x455259 [ 670.704063] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 670.711883] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 670.719172] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 670.726465] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 670.733878] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 670.741167] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000000f [ 670.749306] cgroup: cgroup_addrm_files: failed to add cgroup.subtree_control, err=-12 2018/04/09 10:18:01 executing program 7 (fault-call:4 fault-nth:16): 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) 2018/04/09 10:18:01 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0x100000001, 0x200180) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) socket$pppoe(0x18, 0x1, 0x0) 2018/04/09 10:18:01 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000200000000000000"], 0x38}, 0x0) 2018/04/09 10:18:01 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) r2 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x6, 0x0) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r2, 0x84, 0x6d, &(0x7f0000000080)=ANY=[@ANYRES32=0x0, @ANYBLOB="70000000fd0659fd05a16078d9488050ebd6c86090db5823be68f63aa60de087e45d81cd6cf364bb19ca656ac1f19fbf51a4f6b85cc96779cabf2c78c36af108e25cdad27f8fb3d60b1c5dd959a8c9893f6ce882a14a45eb0be4ec73de60e3a066f6d82a1c06b269"], &(0x7f0000000180)=0x78) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x1f, &(0x7f00000001c0)={r3, @in6={{0xa, 0x4e22, 0x4, @mcast2={0xff, 0x2, [], 0x1}, 0x1}}, 0x8, 0x6}, 0x90) close(r2) 2018/04/09 10:18:01 executing program 4: socket$nl_route(0x10, 0x3, 0x0) openat$audio(0xffffffffffffff9c, &(0x7f0000000080)='/dev/audio\x00', 0x0, 0x0) 2018/04/09 10:18:01 executing program 6: r0 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'ip_vti0\x00', &(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00\x00\x00\x00\x00']}) r1 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r1, 0x1, 0xe, &(0x7f0000000080), 0x4) r2 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x1, 0x0) sendto$inet6(r2, &(0x7f00000000c0)="dc9a80cf4268d8e5a2c3d63ba8b162835bb70a035a6120ff99e7410643a2abb3fa6a61053721ba83193596d14ada4c9064dd76bbddfa312c28a1a1f88b095115c62f057e7317a5e489c0f6cbf21ec442e3089efe32c9a321e69aa66a380ff27f523fca07b64f2514faee695e10b111a7751e468a5b6cd3145548235a7e466f31ef5d98b2fca17a0e2a67ea1637231cd5f2d61345f6f3b4b29d8ac87be18941d8ef569fe94d2702d62c181f1c0cf932d12e067414fc11772966121565bfc94cc888f4d0e851caeef1f04a68bc1e4791a591bb5b47bc229c701427fc1a464e4d3b0a561e6cacd77286f314e6dcf0f1b6b9319392bd6a06de0341ebbc81b852fcfe8a0840f640cd2862139946406141c825febb05db0478a94dc1c5fa8939d3ee1683fdcd2f497f124432a07318aca1cd566c746cbcb560b8e27a5f167f42735b9d228a339f361db42af69f90e2cefd0094edd23dc5d12f371c16fb21573306f89c920c8cea95c162159901e15ca86e41ef5273d59d92ec63854ea27fdd0b7d13c86fe2eb400287f222b1e0adce82a2b92a4320ebf72e20e7fbeb999bef85c32685da24c85852096f6e18076f570ba3fc3224e7be36b382bd21f079d931d293eaebba42b1994fb22bb2d54ac591f1bfcff5d4fd813a60227d6a2180fda1746cfad745343a022bda9168ce02ac2747bfec6a58af1a9abe455972578dc689e284f68c3c6a822bf3394c46b077fe2a434a36f0835674c2b86f71bdac595bd92c0a33a814ffbca8179cf1decfa80faf023e892762fe15bbba49485f0b1b5f98f1374346077b9485e10aa9cb08da7134fb30a465837956056402b414e6a5f3e838aa2fdc2e6da17f2eaa14dadfed37c909958a54549d10e74cb5c1fcfcdb0825ff53223c59b4780cbf4c707cbae573cab7580e77a6e59dc83b33b41bc352d939d7d4b8805a499e5e0ed30571bbe1648e0e49050a8e7823fb21f62b5609bf72a766fe224f72efef7586d896b7105ad8e9e3e33b5f0901cc0c0522c780faf9a543d761f0be536cb07edbdb30a8d20c9735c49041ecad597931f5e08c2ef3977d8db08897dcc0f89967c1c01b868b76a9d38314562493b07e7f3c6b63b258c5ddbdf49012bee4543ec68da660610715167a21beb0c463704779cab40c0606ccc255fe5079937d806ac1922ccf3c74f2f85089a8f174d99a39ff8cbf0eebb7c55c2a86f82f2e6dc46f96d38d65c8ae2de6542a00d02e973349a6f8d8f8d69fd976709df8ac0d5121cd59665ff9f39c6ff4b4c6ccaa8fb0c5712d6d772febdbd064b63d13f63102d984d3e6ef5eaaba5435a736d868a552980f708e46f01b6ddd39979407e698161b63b8bd840bc457ea1c1a16a8ed75c2478c8161e95de5598f37e367f6abaa41f541cf94f8457861a8c727e6908b34df3e63df9fc3d61c416dfb1cf8eb161b1076b2cc3b654fa53562ef8930adbbbcc47f2e4ce97fe20cff64a87b676dff1067444ace32671e38fd1e56ce7dc386e7bc658e9fe90b1182e104b68ae61b95f6f89e7273535b1ddb08b3f30a14ebbbd243971a2906eb9e27ca3b7cdbd480342ddf5cc62d38d806be63b5ef9f74bde8b285e2872805444a11220a06125f5da8e42e54db6143e9b7c87eaf8979ae271f0e0c67dd87a3afbf050ffc07e5ec0913b20a454a5238164337c54d0460e7e1797aaa58dfe9d59a044450ae3d6d5266b59613f4183d1aa321cf09a4a7422d1f5b3a362602b06e7e8007a05f101b6e39e446293a544bcdd26518cacd5aef3c756e5290debd7d03481308cb3ae19ffb9e10e67d7d9d72b2a43592fda6fc0a66fef5a4943372d4c266bb5864a70a558753fc2dabb4f4b5258036f367d74e8c5fa2cc091134514ff0f9e81831a2612d2f6e82d9536ce3697a19b3e38e78397b1b2807434f71cf6853df8a10738541a492abc87bcaddffdcea2272299d740e00ef2aa5c8de5edc02999b8b5f844073e430877ccc06c4a915cf66a55127388428d10f210c5475cda61550efbd94410488ca28bb9c8f77286fb473ec34f8084c918dde7eed4d4444d6124602fafd22778b581610e63f1aeeb2763b63b3723603676e22954cc95c9b10151379c1a97f15443bd92cad5c0380691067721c779414d6e819c8950b9b68c1c3fcbd41e82f84970333a6702b14b2a46c61f3ce5d00e218776344637e8ced2bb8a3bfa26f363e90114d960bbff7ec2f58cd2b134281c221fe75c8be753835569e836590839ebbb5820b4d0efe5304e547357249c1f8c948bebba26117b74b822d5035f5518a953266314418ba013d0acda284bf73620f72514e688dfaf929e85bcd2f718e45ef756def3b0c0c282c0f6ab7d4887ddb0ff1a7b66e383294649220e0e88755ddc36b44670519aac7e82002322bf871884b187485faff34a9a02f5b539ab66f74e32111c20b5d4a13727daf190565b0ecc1ec4840c895c9c642f4f6c14d85bd794963c51707c3a0a4bedffaccdbf87033f9c46c5ae73914398a2319cf6d82197f7901e0fbcbd3da56eda0d80634838eed8f6b787cae51c80afe883e71a6437c9b6e347f2cfa575896ca08cfda73c94616796baf6c87cd32c2a85aaed8d5cb72539c305be3bbf2f9ca840228049b305ddd8ef82bf15dddedbcd0072d5b3e3e84a398c5e7cea120dfb529fe2662e3339b4d94fc305bd6d84b2cd5007089fae9677eb897c54d7b1341efae4e6892c09649dcd14f183af94d415e781d0853d0062adf093e5f298fc1a516fedfacd3c476008f59de934bab558b7a2f3cff8c439f7eb32cdec43c01c5dc33868b52cd7d372a7e74d34bb68aeabc26160c193a7889a624d0f273c50dcf5a73db115a9c1274be41a11b72e6235b396e4bd32fea8a703974bcc3ec27f776b03da93e960504658a661107df5fe819181f2d00e7da0131a50678e8818963ed6bb7bd75c3a224187a8003dc571479c3b4f3a6e01c489b1c485c5bb445dc1ae4d0b22bb8c220f54d5f872a84492378c78d628b47ffe645835fe174912cd16189f29f603d6920299c3e66bb0f292b321fadcde1e2a2e604526ad9dea549c76796d0385c2ecd9b9c3d6a29a0b60c8e0cf14b76454cd2ce2243350591545a6548f7a14543c0537b9d91fff428c7f9018ba778f1992b30e2c8160096c2bf10d7646657c984fcde844bb6018d257d2c2cc9fcbe061ce258813f0b7d1af4e2c387c39713e83581c3edc2f664b51578a8e2fd4063be06fbf14223685181ade5827800cd23218e4d065ae2fbf8848d3048e7262b20516d059230bb73da6e8722c9ebbd322d8b9cdc19ec3fb21e67f2c1294a1e2cb3adabb3361028e291c4e3c8f35ed81a6872d3a1acf8410b504220c70f2d152e1d5bd645882fa20eccd9880a8015f7531d7b03634e3369d470ef4ded0dda232a94f0289faf1064a537ad9b3b3c23838ab677d6b0bc15af4b68e3448e12d1949a5878920a06a3660f90065afb99c88005bbcf796d516dfe7f21c3fdbc46b84335b4714d701b92ba213597b90f969b226b5ca2efc08d131564649492f31be6b0b0922ccaf586d96db235b924ebcba7400beb6d548575181889e74f690c1dbcd404f58c053ed494f3ecd66ef375a237a3a356619db2cfb5b924f8ab6040312ecd8c48525d8ed949fa60af2463526c49ad035fa7dcbfd20f68e6f24f42d3d954d579594497b5169275e5d7ef596686371979a08ebe06504884e62433df55af17ba1188b446028b37687b800c050def06a3c66cc79a6c4a8c952d75dee0676a692e0f724b7bea3d4f650edbe9d8ce7670c78ee15165eb41d429de253b89f24fb5e7387e5d57f2f95831f8a7c4988a6b2cb5654d8430542bfbf0c696bb8ba31f128f0d674617795396f05e6195542a8ea74135d515afb791442ef988f0a6e23bc8bacf383e8591a792657f3d423adcba837c80e8ef5b97912217d7dcd570317ad7988c8230b92753975c4d8e79a4c47265b47549394c59ba7126f2e1fe35ed762edf1c94ef8dcd9498ccb9baba6b701895942456cd4f3c122500fbeed4a28f7f36456b097b8a3541121ae500e632055a9dece9618ec55ba2d989da9aec67014884777d37a68ab04973b1d667d11962ceafe4dd3316014d5d6d3360000e3c4ef41632c418d9cc2c9d06006f9cfc00aa53279c5c9a0e2795d67d028375ceaa0119959d7a3b8d059bfc69b6baa208037d5127cf50ab51fe04ea3a63823bc88ba7b7815ad3c023c9b984ce0abd9f1ec50cb91665ad886aaa65adbd6b614eae836104b1d2d526fdb45fc7f5ea66a6242ce206be5270470eee41a757dece6382d14cae4f1dd5f97afa613bf831a8de36d10af9fadd535bfc9e0b9451177d108c36ea7cb69b68e797aa68eb74935b899a0ecb8899993cbf84af1be0aafc304e4dad8656c846275120c2d5167fd836b512c06d36bf4231d85e00ff4e599b02356af34fc12fa1e27567cd9aef96c65f498e610a39ec27cdded5585a650297a981c7114a909b3c2d3091a5db9757cee2856361a998a119916cf4989e3b05edf2bfded0daff28a1f5a032c43e284c63d973cf343138320e3d09f99455e48050daee825eb2940b395704f153893c53b6e48e41d57aad5b47c79a5b8f144519fb7f9b80862f75e826d8f80455e8b512cb464b267df9d2cb40b4278be9f633f0d410a12f177b98edf7d0cd9e01e79ad94f8692fb0c3c7864b56a5929cf255d2bbec86369daf01c8808459a7375f2a185b0791365b6c591beeb707e974e3bad196d1c4c307d49944368d17a441657ad46293a73882a680ad3492e16acb854f82d57b40b25433a45cf4bc46192855497aaa72a7cd92f66b476a5eb1bc2c0870c1589a75e7e7cd8381909bbbd6ca2edf332bc5264ec382ae025c092fa7fcdb7009752bcb727f2e0e0de0d220cf72adab156ebeed9f1e42b77eb120384658d6717b127fdc6dbd17cb5afaf46e394a9ddc99657b8ab07e42c6279e96c6e063eb0f76fb3b6f3cb8fca90e01f5fa067872d1b4589987c9c2ad9571244c1e61f9a2b66b7964114f528968f6f467b412c27e560e9ab7619a5ad68a3683ea221cca3eb22fe5b8b4e1ea3c3bdd338768d23e354f367e95ee729769307823691b045d822af0de7fe2796c7ba776394126e33f615319780144078138308e6b4afe06886bdae8c148cbd44d5d8b828a842a9100ef34c2ad635eadc2f3c352223a7c0ff9d19a5ae28b8b6b2c3ac1d50df8d82c52aabfc9f7013416c4a0571d255c83f6d878397f0620a9f12738ff3264c12b2bc55e437d8ce08cf789429a0220fe6810df778334c582058cd40a65a19cd876a52007cfddd11708c28e50a69dc7d8e1b3cef0fdf6140d980bd5275c89ea619fd14e1d607c65139195474286baa718c543805c233083849764c762902f808e5f3ab5ec378c9900911492661c99dad5075d6820c66b1c399f977574174dcbf42947555df3fd8e2eacc2398501e059ad3d11d37286eefe784de6e59eb7b2e5a2e96052d8d347b543225a5909986b717bb9d5729290605a7224457f3ab70ffb7824ee1502096fe12a788c9804e3d6d92026c79366b1f0bf23a9fc4cd4cc53d67be1a35f13f9f56273c1d6d78546a09c05d24d100d7c56abcbc43beb6de49daa3cf0d55c435c9c02bd593c97a7d623c5563be6a104d118e8dd92d13b3daf9ebe7717906618e23db76d4f98834f51c0004e8492bda0c92868570ef08001e2372973afbbd29e3429bb3a4c5b8e7339b8930a098cacbe16e5a8209600c34550679cd7e837e13b7191ef6123a5a77ee1415fb8c", 0x1000, 0x40, &(0x7f0000000040)={0xa, 0x4e22, 0x7, @dev={0xfe, 0x80, [], 0xc}, 0x5}, 0x1c) 2018/04/09 10:18:01 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:01 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r0 = perf_event_open$cgroup(&(0x7f0000000080)={0x7, 0x70, 0x6, 0x7, 0x401, 0xfff, 0x0, 0x8, 0x2018, 0x2, 0x0, 0x2, 0x100, 0x2, 0xed0c, 0x7, 0x1, 0x80, 0x100000000, 0x0, 0x1, 0x1, 0x0, 0x5, 0x100000001, 0x100, 0x8001, 0x4, 0x2, 0x4, 0x8000, 0xfffffffffffffffc, 0x10000000000000, 0x1, 0xffffffffffffffa0, 0x81, 0x1, 0x1ff, 0x0, 0x100, 0x2, @perf_config_ext={0x8ed, 0x2}, 0x40, 0x75a5, 0x101, 0x3, 0xfffffffffffeffff, 0x80000000, 0x2}, 0xffffffffffffff9c, 0xe, 0xffffffffffffffff, 0x0) sync_file_range(r0, 0x2, 0x1ff, 0x0) pipe(&(0x7f0000000040)) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}, 0x0, 0x0, 0x6}, {{}, 0x0, 0xce3}], 0x30) ioctl(r0, 0x35, &(0x7f0000000280)="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ioctl(r1, 0x2288, &(0x7f0000000100)="df00b19caa0e8396020806f678f3ff9a399b111a0617cab9daa3f74a29c8f170e2cf5958e68f72905ad2d1ffa51de76ecfdbd81aa19b09bc53f13cb2b2391960b034946a359000d3d8bf4a8e77a35f088568793b896cb5376947f34de75614e52dbcb710ec7c14f53cec15a4108a738b7e8ba0fca0b973aa1089c55351d4a3befb593c2538a3058fadcbd8663f7ae0deb5c569390eabf3c6f081") 2018/04/09 10:18:01 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:01 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000a40)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000000a80)={0x4, [0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000ac0)=0x14) setsockopt$inet_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000b00)={r1, 0x4, 0x5, [0x80000000, 0x9, 0x6, 0x6, 0x7ff]}, 0x12) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r2, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r2, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 670.956888] FAULT_INJECTION: forcing a failure. [ 670.956888] name failslab, interval 1, probability 0, space 0, times 0 [ 670.968266] CPU: 0 PID: 16711 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 670.975126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 670.984505] Call Trace: [ 670.987125] dump_stack+0x1b9/0x294 [ 670.990798] ? dump_stack_print_info.cold.2+0x52/0x52 [ 670.996039] should_fail.cold.4+0xa/0x1a [ 671.000127] ? kstrdup_const+0x66/0x80 [ 671.004054] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 671.009189] ? kernfs_iop_mkdir+0x159/0x1e0 [ 671.013545] ? do_mkdirat+0x266/0x2f0 [ 671.017369] ? SyS_mkdir+0x22/0x30 [ 671.020936] ? do_syscall_64+0x29e/0x9d0 [ 671.025038] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 671.030436] ? graph_lock+0x170/0x170 [ 671.034268] ? find_held_lock+0x36/0x1c0 [ 671.038380] ? find_held_lock+0x36/0x1c0 [ 671.042485] ? __lock_is_held+0xb5/0x140 [ 671.046602] ? check_same_owner+0x320/0x320 [ 671.050956] ? rcu_note_context_switch+0x710/0x710 2018/04/09 10:18:01 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:01 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 671.055924] ? rcu_read_lock_sched_held+0x108/0x120 [ 671.060994] should_failslab+0x124/0x180 [ 671.065099] kmem_cache_alloc+0x2af/0x760 [ 671.069278] ? memcpy+0x45/0x50 [ 671.072592] ? kstrdup+0x59/0x70 [ 671.076014] __kernfs_new_node+0xe7/0x580 [ 671.080200] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 671.085006] ? kasan_check_read+0x11/0x20 [ 671.089191] ? read_word_at_a_time+0x12/0x20 [ 671.093628] ? strscpy+0x170/0x510 [ 671.097206] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 671.102793] kernfs_new_node+0x80/0xf0 [ 671.106743] __kernfs_create_file+0x4d/0x330 [ 671.111187] cgroup_addrm_files+0x437/0xaf0 [ 671.115563] ? cgroup_css.part.14+0x1f0/0x1f0 [ 671.120093] ? __getnstimeofday64+0x3a8/0x500 [ 671.124892] ? getrawmonotonic64+0x4e0/0x4e0 [ 671.129350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.134913] ? kernfs_active+0x128/0x1b0 [ 671.139006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.145965] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 671.150495] ? cgroup_file_name+0x1f0/0x1f0 2018/04/09 10:18:01 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 671.154855] css_populate_dir+0x35f/0x420 [ 671.159039] cgroup_mkdir+0x807/0x10d0 [ 671.162967] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 671.167784] ? put_itimerspec64+0x310/0x310 [ 671.172137] ? set_nlink+0xaf/0x140 [ 671.175795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.181364] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 671.186934] ? kernfs_get_active+0xb2/0x120 [ 671.191289] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 671.196078] kernfs_iop_mkdir+0x159/0x1e0 [ 671.200250] ? getname_flags+0xd0/0x5a0 [ 671.204258] vfs_mkdir+0x42e/0x6b0 2018/04/09 10:18:01 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 671.207827] do_mkdirat+0x266/0x2f0 [ 671.211478] ? SyS_mknod+0x40/0x40 [ 671.215049] ? ksys_mount+0xa8/0x140 [ 671.218784] ? do_syscall_64+0xb7/0x9d0 [ 671.222787] SyS_mkdir+0x22/0x30 [ 671.226177] ? SyS_mkdirat+0x30/0x30 [ 671.229912] do_syscall_64+0x29e/0x9d0 [ 671.233814] ? vmalloc_sync_all+0x30/0x30 [ 671.237988] ? _raw_spin_unlock_irq+0x27/0x70 [ 671.242509] ? finish_task_switch+0x1ca/0x820 [ 671.247037] ? syscall_return_slowpath+0x5c0/0x5c0 [ 671.252002] ? syscall_return_slowpath+0x30f/0x5c0 2018/04/09 10:18:02 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 671.256959] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 671.262376] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.267258] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 671.272468] RIP: 0033:0x455259 [ 671.275675] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 671.283414] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 671.291631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 671.298930] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/09 10:18:02 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 671.306226] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 671.313514] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000010 [ 671.321204] cgroup: cgroup_addrm_files: failed to add cgroup.subtree_control, err=-12 2018/04/09 10:18:02 executing program 7 (fault-call:4 fault-nth:17): 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) 2018/04/09 10:18:02 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000040000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:02 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) msgrcv(0x0, &(0x7f0000000280)={0x0, ""/251}, 0x103, 0x0, 0x2800) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x18040, 0x0) setsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000080)=0x7, 0x4) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000200)='/dev/sequencer\x00', 0x0, 0x0) syz_open_dev$usbmon(&(0x7f0000000140)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r1, 0x40605346, &(0x7f00000000c0)={0x8, 0x1, {0xffffffffffffffff, 0x3, 0xf58, 0x0, 0x1}}) 2018/04/09 10:18:02 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080)=0x800, 0x4) 2018/04/09 10:18:02 executing program 5: r0 = 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, 0x0, 0xffffffffffffffff, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) fsync(r0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:02 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) fcntl$F_GET_RW_HINT(r1, 0x40b, &(0x7f0000000080)) splice(r2, &(0x7f00000000c0), r0, &(0x7f0000000100), 0x2, 0xb) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) ioctl$SNDRV_CTL_IOCTL_ELEM_READ(r0, 0xc4c85512, &(0x7f0000000280)={{0x8, 0x7, 0x100000001, 0x9, "3b082766e068571f93c44a868a4e839be630fc55ad4d2df2487f13a834e81563383b859968b609f1461ccc1a", 0x7ff}, 0x1, [0x0, 0x8, 0x3f, 0x3, 0xcd, 0x3, 0xffffffffffffa437, 0x0, 0x78, 0x8, 0x100, 0x6, 0x9, 0x100, 0x9, 0x0, 0x9, 0x5, 0x71, 0x800, 0x3f, 0x4, 0x6, 0x80000000, 0x9, 0x9, 0x2, 0x5, 0x2, 0x6, 0x1, 0x8a13, 0xfff, 0x80000001, 0x5, 0x9, 0x6, 0x3, 0x66e, 0x81, 0x3, 0x20, 0x1, 0x0, 0x6, 0x80000001, 0x7, 0x1f, 0x4, 0x8001, 0x6, 0x9d16, 0x8, 0x0, 0x6, 0x80000001, 0x9, 0xffff, 0x2, 0x10001, 0x100000000, 0x8, 0x5, 0x790, 0x5, 0x9, 0x5e, 0x401, 0x0, 0x10001, 0x1, 0x1ff, 0x1a, 0xf2e, 0x0, 0x5, 0x6, 0xffffffffffffffdc, 0x7ff, 0x7fff, 0x1, 0x8f13, 0x2, 0xffffffffffffb51c, 0x9, 0x0, 0xa8, 0x3, 0xa355, 0xff27, 0xf3, 0x7fffffff, 0x100000001, 0x245b36a5, 0x5, 0x4, 0x3, 0x2, 0x8, 0xbf, 0x0, 0x6, 0xff, 0xf3c0000000000, 0x0, 0x1, 0xffffffff, 0x7, 0x8, 0x6, 0x8, 0x6, 0x4c, 0x7ff, 0x8, 0x1, 0xe9d8, 0x0, 0x3, 0x5, 0x0, 0x15, 0x10001, 0x4, 0xff, 0xe8d7, 0x1000, 0x9], {0x0, 0x1c9c380}}) 2018/04/09 10:18:02 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:02 executing program 0: r0 = openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r0, r0, &(0x7f0000000100), 0x3) socketpair$inet6_sctp(0xa, 0x1, 0x84, &(0x7f0000000000)) 2018/04/09 10:18:02 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x0, 0x0) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r1, 0x10e, 0x4, &(0x7f00000000c0)=0x80, 0x4) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000140)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 671.510412] FAULT_INJECTION: forcing a failure. [ 671.510412] name failslab, interval 1, probability 0, space 0, times 0 [ 671.521868] CPU: 0 PID: 16755 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 671.528734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 671.538117] Call Trace: [ 671.540729] dump_stack+0x1b9/0x294 [ 671.544399] ? dump_stack_print_info.cold.2+0x52/0x52 [ 671.549637] should_fail.cold.4+0xa/0x1a [ 671.553740] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:18:02 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000100000000000000"], 0x38}, 0x0) [ 671.558883] ? zap_class+0x720/0x720 [ 671.562626] ? __might_sleep+0x95/0x190 [ 671.566641] ? graph_lock+0x170/0x170 [ 671.570478] ? __mutex_lock+0x7d9/0x17f0 [ 671.574567] ? zap_class+0x720/0x720 [ 671.578324] ? find_held_lock+0x36/0x1c0 [ 671.582432] ? __lock_is_held+0xb5/0x140 [ 671.586550] ? check_same_owner+0x320/0x320 [ 671.590915] ? rcu_note_context_switch+0x710/0x710 [ 671.595894] should_failslab+0x124/0x180 [ 671.600028] __kmalloc_track_caller+0x2c4/0x760 [ 671.604726] ? kasan_check_read+0x11/0x20 2018/04/09 10:18:02 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) r1 = open(&(0x7f0000000000)='./file0\x00', 0x200000, 0x4) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000040)={0x100, 0x5, 0x7, 0x0, 0x0, 0x4f, 0x3, 0x800, 0x6, 0x6, 0xc3, 0x8}) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f00000000c0)) fcntl$getown(r0, 0x9) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 671.608898] ? do_raw_spin_unlock+0x9e/0x2e0 [ 671.613338] ? kstrdup_const+0x66/0x80 [ 671.617262] kstrdup+0x39/0x70 [ 671.620478] kstrdup_const+0x66/0x80 [ 671.624221] __kernfs_new_node+0xa8/0x580 [ 671.628406] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 671.633199] ? kasan_check_read+0x11/0x20 [ 671.637371] ? read_word_at_a_time+0x12/0x20 [ 671.641802] ? strscpy+0x170/0x510 [ 671.645364] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 671.650946] kernfs_new_node+0x80/0xf0 [ 671.654874] __kernfs_create_file+0x4d/0x330 2018/04/09 10:18:02 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000400000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:02 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) socket$vsock_stream(0x28, 0x1, 0x0) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 671.659318] cgroup_addrm_files+0x437/0xaf0 [ 671.663684] ? cgroup_css.part.14+0x1f0/0x1f0 [ 671.668210] ? __getnstimeofday64+0x3a8/0x500 [ 671.672741] ? getrawmonotonic64+0x4e0/0x4e0 [ 671.677178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.682735] ? kernfs_active+0x128/0x1b0 [ 671.686823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.692383] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 671.696904] ? cgroup_file_name+0x1f0/0x1f0 [ 671.701261] css_populate_dir+0x35f/0x420 [ 671.705441] cgroup_mkdir+0x807/0x10d0 [ 671.709370] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 671.714157] ? put_itimerspec64+0x310/0x310 [ 671.718506] ? set_nlink+0xaf/0x140 [ 671.722162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.727735] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 671.733297] ? kernfs_get_active+0xb2/0x120 [ 671.737646] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 671.742441] kernfs_iop_mkdir+0x159/0x1e0 [ 671.746620] ? getname_flags+0xd0/0x5a0 [ 671.750632] vfs_mkdir+0x42e/0x6b0 [ 671.754197] do_mkdirat+0x266/0x2f0 [ 671.757858] ? SyS_mknod+0x40/0x40 2018/04/09 10:18:02 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) recvfrom(r0, &(0x7f0000000140)=""/168, 0xa8, 0x40000000, &(0x7f0000000000)=@pptp={0x18, 0x2, {0x2}}, 0x80) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x200000004, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) r1 = syz_open_dev$admmidi(&(0x7f0000000240)='/dev/admmidi#\x00', 0x3, 0x84101) ioctl$EVIOCSKEYCODE(r1, 0x40084504, &(0x7f0000000280)=[0x100, 0x2]) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) timer_create(0x7, &(0x7f00000000c0)={0x0, 0x3f, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000200)) 2018/04/09 10:18:02 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000200000000000000000000"], 0x38}, 0x0) [ 671.761431] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 671.766294] ? do_syscall_64+0xb7/0x9d0 [ 671.770294] SyS_mkdir+0x22/0x30 [ 671.773675] ? SyS_mkdirat+0x30/0x30 [ 671.777411] do_syscall_64+0x29e/0x9d0 [ 671.781316] ? vmalloc_sync_all+0x30/0x30 [ 671.785485] ? _raw_spin_unlock_irq+0x27/0x70 [ 671.790042] ? finish_task_switch+0x1ca/0x820 [ 671.794929] ? syscall_return_slowpath+0x5c0/0x5c0 [ 671.799902] ? syscall_return_slowpath+0x30f/0x5c0 [ 671.804876] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 2018/04/09 10:18:02 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x800, 0x200) ioctl$EVIOCGMTSLOTS(r0, 0x8040450a, &(0x7f0000000140)=""/191) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 671.810298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.815185] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 671.820398] RIP: 0033:0x455259 [ 671.823609] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 671.831349] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 671.838638] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 671.845934] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 671.853228] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 671.860522] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000011 [ 671.868774] cgroup: cgroup_addrm_files: failed to add cgroup.events, err=-12 2018/04/09 10:18:02 executing program 7 (fault-call:4 fault-nth:18): 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) 2018/04/09 10:18:02 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000001000000"], 0x38}, 0x0) 2018/04/09 10:18:02 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x200, 0xe127e0dfd52579f3) ioctl$DRM_IOCTL_GET_MAGIC(r1, 0x80046402, &(0x7f0000000100)=0x200) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000080)={0x1000000000000005, 0x1f, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000300)={r2, &(0x7f0000000140), &(0x7f0000000200)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000200)}, 0x20) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='cpuacct.usage_percpu_user\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="000108000000020004010001020000c20400000003"], 0x1) r3 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000140)={'lo\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(r3, 0x8924, &(0x7f0000000040)={'bridge0\x00', r4}) setsockopt$sock_int(r0, 0x1, 0x2f, &(0x7f0000000000)=0x1, 0x4) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) 2018/04/09 10:18:02 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) 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$EVIOCGEFFECTS(r0, 0x80044584, &(0x7f0000000080)=""/221) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:02 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) r1 = fcntl$dupfd(r0, 0x406, r0) ioctl$TUNGETVNETHDRSZ(r1, 0x800454d7, &(0x7f0000000000)) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:02 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:02 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x1) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x200000, 0x0) ioctl$KVM_SET_TSC_KHZ(r2, 0xaea2, 0x2) 2018/04/09 10:18:02 executing program 4: r0 = socket$packet(0x11, 0x2, 0x300) r1 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x7, 0x2) ioctl$sock_kcm_SIOCKCMCLONE(r1, 0x89e2, &(0x7f0000000040)={r0}) setsockopt$packet_int(r0, 0x107, 0x8015, &(0x7f0000010ffc)=0x5, 0x4) [ 672.100744] FAULT_INJECTION: forcing a failure. [ 672.100744] name failslab, interval 1, probability 0, space 0, times 0 [ 672.112227] CPU: 0 PID: 16817 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 672.119094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 672.128470] Call Trace: [ 672.131088] dump_stack+0x1b9/0x294 [ 672.134759] ? dump_stack_print_info.cold.2+0x52/0x52 [ 672.139999] should_fail.cold.4+0xa/0x1a [ 672.144108] ? kstrdup_const+0x66/0x80 2018/04/09 10:18:02 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:02 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f00000000c0)={0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) 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, 0x3ff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) setsockopt$RDS_CANCEL_SENT_TO(r0, 0x114, 0x1, &(0x7f0000000080)={0x2, 0x4e21, @loopback=0x7f000001}, 0x10) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) [ 672.148113] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 672.153251] ? kernfs_iop_mkdir+0x159/0x1e0 [ 672.157597] ? do_mkdirat+0x266/0x2f0 [ 672.161421] ? SyS_mkdir+0x22/0x30 [ 672.164989] ? do_syscall_64+0x29e/0x9d0 [ 672.169074] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 672.174471] ? graph_lock+0x170/0x170 [ 672.178299] ? find_held_lock+0x36/0x1c0 [ 672.182404] ? find_held_lock+0x36/0x1c0 [ 672.186508] ? __lock_is_held+0xb5/0x140 [ 672.190618] ? check_same_owner+0x320/0x320 [ 672.194986] ? rcu_note_context_switch+0x710/0x710 [ 672.200001] ? rcu_read_lock_sched_held+0x108/0x120 [ 672.205410] should_failslab+0x124/0x180 [ 672.209507] kmem_cache_alloc+0x2af/0x760 [ 672.213678] ? memcpy+0x45/0x50 [ 672.216999] ? kstrdup+0x59/0x70 [ 672.220408] __kernfs_new_node+0xe7/0x580 [ 672.224586] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 672.229383] ? kasan_check_read+0x11/0x20 [ 672.233563] ? read_word_at_a_time+0x12/0x20 [ 672.238612] ? strscpy+0x170/0x510 [ 672.242189] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 672.247786] kernfs_new_node+0x80/0xf0 2018/04/09 10:18:03 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:03 executing program 1: r0 = accept4$inet6(0xffffffffffffff9c, &(0x7f0000000200)={0x0, 0x0, 0x0, @ipv4={[], [], @loopback}}, &(0x7f0000000280)=0x1c, 0x80000) ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f00000002c0)={'syzkaller0\x00', {0x2, 0x4e23, @multicast2=0xe0000002}}) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r3, &(0x7f0000a59000)=[{{0x77359400}, 0x0, 0x0, 0x39cc}, {}], 0x15) ioctl$ASHMEM_GET_PROT_MASK(r3, 0x7706, &(0x7f0000000300)) ioctl$TIOCLINUX3(r1, 0x541c, &(0x7f00000001c0)=0x3) setsockopt$inet_group_source_req(r2, 0x0, 0x2b, &(0x7f0000000080)={0xffffffffffffff01, {{0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}}, {{0x2, 0x4e22, @loopback=0x7f000001}}}, 0x108) r4 = shmat(0x0, &(0x7f0000ffb000/0x3000)=nil, 0x1000) shmdt(r4) ioctl(r3, 0x2286, &(0x7f0000c95ffe)) [ 672.251717] __kernfs_create_file+0x4d/0x330 [ 672.256166] cgroup_addrm_files+0x437/0xaf0 [ 672.260525] ? cgroup_css.part.14+0x1f0/0x1f0 [ 672.265057] ? __getnstimeofday64+0x3a8/0x500 [ 672.269585] ? getrawmonotonic64+0x4e0/0x4e0 [ 672.274026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.279775] ? kernfs_active+0x128/0x1b0 [ 672.284050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.289611] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 672.294162] ? cgroup_file_name+0x1f0/0x1f0 [ 672.298522] css_populate_dir+0x35f/0x420 [ 672.302706] cgroup_mkdir+0x807/0x10d0 [ 672.306865] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 672.311657] ? put_itimerspec64+0x310/0x310 [ 672.316003] ? set_nlink+0xaf/0x140 [ 672.319655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.325227] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 672.330795] ? kernfs_get_active+0xb2/0x120 [ 672.335143] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 672.339932] kernfs_iop_mkdir+0x159/0x1e0 [ 672.344102] ? getname_flags+0xd0/0x5a0 [ 672.348112] vfs_mkdir+0x42e/0x6b0 2018/04/09 10:18:03 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 672.351689] do_mkdirat+0x266/0x2f0 [ 672.355342] ? SyS_mknod+0x40/0x40 [ 672.359001] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 672.363870] ? do_syscall_64+0xb7/0x9d0 [ 672.367866] SyS_mkdir+0x22/0x30 [ 672.371249] ? SyS_mkdirat+0x30/0x30 [ 672.374984] do_syscall_64+0x29e/0x9d0 [ 672.378895] ? vmalloc_sync_all+0x30/0x30 [ 672.383066] ? _raw_spin_unlock_irq+0x27/0x70 [ 672.387582] ? finish_task_switch+0x1ca/0x820 [ 672.392102] ? syscall_return_slowpath+0x5c0/0x5c0 [ 672.397053] ? syscall_return_slowpath+0x30f/0x5c0 2018/04/09 10:18:03 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x4000, 0x0) fcntl$dupfd(r0, 0x0, r0) ioctl$TCSBRK(r0, 0x5409, 0x7fffffff) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) epoll_wait(r1, &(0x7f0000000080)=[{}, {}], 0x2, 0xff) sendmsg$key(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x2, 0xf, 0x2, 0x9, 0xb, 0x0, 0x70bd27, 0x25dfdbfb, [@sadb_x_nat_t_port={0x1, 0x15, 0x4e23}, @sadb_ident={0x2, 0xb, 0x6, 0x0, 0x1}, @sadb_x_filter={0x5, 0x1a, @in6=@mcast2={0xff, 0x2, [], 0x1}, @in=@loopback=0x7f000001, 0x3, 0x4}, @sadb_x_nat_t_type={0x1, 0x14, 0x9}]}, 0x58}, 0x1}, 0x8800) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}, 0x5}, {{}, 0x0, 0x0, 0xffffffffffffffff}], 0x30) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) ioctl$SNDRV_TIMER_IOCTL_INFO(r0, 0x80e85411, &(0x7f0000000100)=""/210) [ 672.402183] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 672.407573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 672.412449] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 672.417652] RIP: 0033:0x455259 [ 672.420850] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 672.428582] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 672.435864] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 672.443150] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/09 10:18:03 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:03 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0xfffffff8) r1 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0x4, 0x80000) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000040), 0x4) [ 672.450440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 672.457731] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000012 [ 672.465573] cgroup: cgroup_addrm_files: failed to add cgroup.events, err=-12 2018/04/09 10:18:03 executing program 7 (fault-call:4 fault-nth:19): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:03 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000002000000"], 0x38}, 0x0) 2018/04/09 10:18:03 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_buf(r0, 0x6, 0x21, &(0x7f0000000ff0)="2be6000900ffff01000092c5001d8d9a", 0x10) getsockopt$inet6_tcp_int(r0, 0x6, 0x21, &(0x7f0000f8e000), &(0x7f0000000ffc)=0x4) r1 = dup(r0) getsockopt$bt_l2cap_L2CAP_OPTIONS(r1, 0x6, 0x1, &(0x7f0000000000), &(0x7f0000000040)=0xc) 2018/04/09 10:18:03 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) r1 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0xcf, 0x0) ioctl$EVIOCGPHYS(r1, 0x80404507, &(0x7f0000000140)=""/235) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) truncate(&(0x7f0000000000)='./file0\x00', 0x1) 2018/04/09 10:18:03 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:03 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:03 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x21, 0x301000) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) 2018/04/09 10:18:03 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net/syz1\x00', 0x200002, 0x0) r1 = syz_open_dev$vcsa(&(0x7f0000000080)='/dev/vcsa#\x00', 0x8, 0x2000) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f00000000c0)) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r2, r0, &(0x7f0000000000)=0x2000, 0x5) 2018/04/09 10:18:03 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000000080)=[{{0x0, 0x7530}, 0x1, 0x5}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) [ 672.680777] FAULT_INJECTION: forcing a failure. [ 672.680777] name failslab, interval 1, probability 0, space 0, times 0 [ 672.692154] CPU: 0 PID: 16889 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 672.699015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 672.708388] Call Trace: [ 672.710999] dump_stack+0x1b9/0x294 [ 672.714657] ? dump_stack_print_info.cold.2+0x52/0x52 [ 672.719884] should_fail.cold.4+0xa/0x1a [ 672.723985] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:18:03 executing program 4: getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x27, &(0x7f0000000300)={@dev, @multicast1, 0x0}, &(0x7f00000003c0)=0xfffffffffffffd79) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000400)={0xb, 0x7, &(0x7f0000000180)=@framed={{0x18, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x7}, [@generic={0x7, 0x8a, 0x54ad, 0xdd83}, @exit={0x95}], {0x95}}, &(0x7f00000001c0)='GPL\x00', 0xffffffff00000001, 0x4d, &(0x7f0000000280)=""/77, 0x41100, 0x0, [], r0}, 0x48) r2 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x8000) read(r2, &(0x7f0000fb6000)=""/28, 0xfe2f) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r2, 0xc0a85320, &(0x7f0000418f50)={{0x80}, 'port1\x00', 0xa9824f69d1376637, 0x20000010880a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r2, 0x4040534e, &(0x7f0000000340)={0xbf}) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r2, 0xc0bc5351, &(0x7f0000000080)={0x0, 0x0, 'client1\x00', 0x0, "cc36c5dfea70d3d1", "1595862a6e0e4bf25f261005db592b6a10d8d88ce1b407c85cc4b745b574bc89"}) getpeername$llc(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000240)=0x10) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r2, 0x4058534c, &(0x7f0000000540)={0x0, 0x0, 0xee22}) signalfd(r1, &(0x7f00000004c0)={0x8}, 0x8) r3 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x1, 0x0) setsockopt$RDS_RECVERR(r3, 0x114, 0x5, &(0x7f0000000140), 0x4) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000480)='/dev/sequencer2\x00', 0x0, 0x0) 2018/04/09 10:18:03 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff}) ioctl$DRM_IOCTL_MARK_BUFS(r0, 0x40206417, &(0x7f0000000080)={0x5, 0x80000000, 0x7ff, 0xcfd, 0x1, 0x81}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) [ 672.729112] ? __lock_acquire+0x7f5/0x5130 [ 672.733374] ? graph_lock+0x170/0x170 [ 672.737209] ? find_held_lock+0x36/0x1c0 [ 672.741306] ? __lock_is_held+0xb5/0x140 [ 672.745414] ? check_same_owner+0x320/0x320 [ 672.749767] ? rcu_note_context_switch+0x710/0x710 [ 672.754731] should_failslab+0x124/0x180 [ 672.758818] __kmalloc_track_caller+0x2c4/0x760 [ 672.763508] ? kasan_check_read+0x11/0x20 [ 672.767683] ? graph_lock+0x170/0x170 [ 672.771503] ? kstrdup_const+0x66/0x80 [ 672.775417] kstrdup+0x39/0x70 2018/04/09 10:18:03 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000080), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) bpf$MAP_CREATE(0x0, &(0x7f00000000c0)={0x5, 0x5, 0x100000000, 0xffffffffffff8000, 0x10, r0}, 0x2c) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0x7ff) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) eventfd2(0xb0, 0x800) [ 672.778633] kstrdup_const+0x66/0x80 [ 672.782373] __kernfs_new_node+0xa8/0x580 [ 672.786548] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 672.791339] ? kasan_check_read+0x11/0x20 [ 672.795513] ? read_word_at_a_time+0x12/0x20 [ 672.799950] ? strscpy+0x170/0x510 [ 672.803534] kernfs_new_node+0x80/0xf0 [ 672.807459] __kernfs_create_file+0x4d/0x330 [ 672.811903] cgroup_addrm_files+0x437/0xaf0 [ 672.816272] ? cgroup_css.part.14+0x1f0/0x1f0 [ 672.820795] ? __getnstimeofday64+0x3a8/0x500 [ 672.825319] ? getrawmonotonic64+0x4e0/0x4e0 2018/04/09 10:18:03 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) ioctl$void(r0, 0xc0045878) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl(r0, 0x7, &(0x7f0000000040)="5dacca792f9fcea5a263963cfb0be92b6839de7889106a72de5966e48078ecf17095f56274ee4ea6f30485a77993f0fd651c7c0a9378dc85a9cb2c6813f902d6f622b7afc1ed05") write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x3, &(0x7f0000c95ffe)) 2018/04/09 10:18:03 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 672.829769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.835331] ? kernfs_active+0x128/0x1b0 [ 672.839421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.844977] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 672.849496] ? cgroup_file_name+0x1f0/0x1f0 [ 672.853849] css_populate_dir+0x35f/0x420 [ 672.858027] cgroup_mkdir+0x807/0x10d0 [ 672.861950] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 672.866730] ? put_itimerspec64+0x310/0x310 [ 672.871077] ? set_nlink+0xaf/0x140 [ 672.874724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 2018/04/09 10:18:03 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000400000000"], 0x38}, 0x0) 2018/04/09 10:18:03 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) r1 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x8, 0x381) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f0000000240)={0x0, 0x4e}, &(0x7f0000000280)=0x8) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000340)={0x0, 0x7c, &(0x7f00000002c0)=[@in6={0xa, 0x4e21, 0x8, @mcast1={0xff, 0x1, [], 0x1}, 0x10000}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}, @in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x16}}, @in={0x2, 0x4e24, @rand_addr=0x200}, @in={0x2, 0x4e22, @loopback=0x7f000001}, @in={0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}]}, &(0x7f0000000380)=0x10) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f00000003c0)={0x0, @in6={{0xa, 0x4e22, 0x400, @mcast1={0xff, 0x1, [], 0x1}, 0x2}}}, &(0x7f0000000480)=0x84) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000000940)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000600)=0x105) sendmsg$inet_sctp(r1, &(0x7f0000000780)={&(0x7f0000000040)=@in={0x2, 0x4e20, @rand_addr=0x1000}, 0x10, &(0x7f00000000c0)=[{&(0x7f0000000140)="df737de0bcd893ee95a37a4408a1f57821c670907e303b26b4051ca7b39db62faf8aaed929afde3ebe3140b3530d496aa778f2f1604d529163f1edf42a14d97fdcd617fc62c3efcbf9dcc35dae0a3473ee8800f11f5eea7902ee8ee081d10d7543a22f80220a8e2ebc2ee2f1a1aa9a0deca01daa9e64a7399613241e1fe6b3ba4d1ff5a65ceae083e767c6469afe58eb88ea88ad20915527222cc826d21db5b0aba213bea73cc3148cf934bf8cafa583cdbb8d9a5b11ab7f0dba3cabcb302e60e007b7cc62a2fe52616bbe2a37ce02ba3f254e83f5aca5d7a7bb27070dae306fa40e7bf9931952eaa7f305acf852baf3", 0xf0}], 0x1, &(0x7f0000000640)=[@sndinfo={0x20, 0x84, 0x2, {0xfffffffeffffffff, 0x8, 0x3, 0x1000, r2}}, @sndinfo={0x20, 0x84, 0x2, {0xfff, 0x200, 0x7, 0x7, r3}}, @init={0x18, 0x84, 0x0, {0x2, 0x0, 0x9, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x0, 0x6, 0x2, 0x10000, r4}}, @sndrcv={0x30, 0x84, 0x1, {0x7, 0x1, 0x206, 0xaf0, 0xffffffff80000001, 0x1000000000000000, 0x9, 0xff00000000000000, r5}}, @init={0x18, 0x84, 0x0, {0x5, 0x6, 0x0, 0x1}}], 0x120, 0x1}, 0x4000000) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 672.880292] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 672.885846] ? kernfs_get_active+0xb2/0x120 [ 672.890191] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 672.894985] kernfs_iop_mkdir+0x159/0x1e0 [ 672.899149] ? getname_flags+0xd0/0x5a0 [ 672.903152] vfs_mkdir+0x42e/0x6b0 [ 672.906722] do_mkdirat+0x266/0x2f0 [ 672.910377] ? SyS_mknod+0x40/0x40 [ 672.913951] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 672.918816] ? do_syscall_64+0xb7/0x9d0 [ 672.922815] SyS_mkdir+0x22/0x30 [ 672.926197] ? SyS_mkdirat+0x30/0x30 [ 672.929937] do_syscall_64+0x29e/0x9d0 [ 672.933838] ? vmalloc_sync_all+0x30/0x30 [ 672.938109] ? _raw_spin_unlock_irq+0x27/0x70 [ 672.942633] ? finish_task_switch+0x1ca/0x820 [ 672.947147] ? syscall_return_slowpath+0x5c0/0x5c0 [ 672.952100] ? syscall_return_slowpath+0x30f/0x5c0 [ 672.957055] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 672.962448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 672.967322] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 672.972527] RIP: 0033:0x455259 [ 672.975723] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 672.983455] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 672.990740] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 672.998029] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 673.005316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 673.012633] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000013 [ 673.020602] cgroup: cgroup_addrm_files: failed to add cgroup.max.descendants, err=-12 2018/04/09 10:18:04 executing program 7 (fault-call:4 fault-nth:20): 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) 2018/04/09 10:18:04 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000001640)='/dev/dsp\x00', 0x4040, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x17, &(0x7f0000001680)=0x7, 0x4) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580), 0xfffffffffffffdcd}, 0x0) r2 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0xf6, 0x8000) ioctl$EVIOCGABS2F(r2, 0x8018456f, &(0x7f0000000540)=""/4096) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000001540)={0x0, @in6={{0xa, 0x4e24, 0x800, @dev={0xfe, 0x80, [], 0x15}, 0x4}}, 0x400, 0xffffffffbdea4f32, 0xfff, 0x5, 0x8}, &(0x7f0000000040)=0x98) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r2, 0x84, 0x13, &(0x7f00000000c0)={r3, 0x8000}, &(0x7f0000001600)=0x8) ioctl$KVM_GET_LAPIC(r2, 0x8400ae8e, &(0x7f0000000140)={"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"}) 2018/04/09 10:18:04 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8000) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r0, 0xc008551a, &(0x7f0000000100)=ANY=[@ANYBLOB="09000000080000000100002ed4336b00"]) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2284, &(0x7f0000000080)="a6460648e3e1a8ad4e46852bc9c5be941e0a7b5881d5c59ec00129a48a52e7f1f3709da60bece06cbd10684a817ce895bd37b7e2c15dc2683f3e50ede57ecb2a0343ca255e0c087b7a0d9129f2f981c6a264") 2018/04/09 10:18:04 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000040)={0x0, 0x0, 0x1, 0x49}) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000140)='/dev/rtc\x00', 0x0, 0x0) setsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000080)={0x81, 0xdad7, 0x9c1c, 0x4, 0x2, 0x100, 0x8, 0x3, 0x800, 0x2, 0x100000000}, 0xb) ioctl$sock_inet_tcp_SIOCATMARK(r0, 0x4028700f, &(0x7f0000000040)) 2018/04/09 10:18:04 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) getegid() sendfile(r1, r1, &(0x7f0000000100), 0x3) 2018/04/09 10:18:04 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = socket$nl_crypto(0x10, 0x3, 0x15) r2 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x200, 0x4000) ioctl$sock_inet_tcp_SIOCOUTQNSD(r2, 0x894b, &(0x7f0000000040)) ioctl$sock_bt_cmtp_CMTPCONNADD(r2, 0x400443c8, &(0x7f0000000100)={r1, 0x6}) setsockopt$netlink_NETLINK_CAP_ACK(r1, 0x10e, 0xa, &(0x7f00000000c0)=0x4000002, 0x6) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) 2018/04/09 10:18:04 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000004000000"], 0x38}, 0x0) 2018/04/09 10:18:04 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 673.834410] FAULT_INJECTION: forcing a failure. [ 673.834410] name failslab, interval 1, probability 0, space 0, times 0 [ 673.845812] CPU: 0 PID: 16945 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 673.852675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 673.862051] Call Trace: [ 673.864671] dump_stack+0x1b9/0x294 [ 673.868333] ? dump_stack_print_info.cold.2+0x52/0x52 [ 673.873569] should_fail.cold.4+0xa/0x1a [ 673.877654] ? kstrdup_const+0x66/0x80 [ 673.881568] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 673.886690] ? kernfs_iop_mkdir+0x159/0x1e0 [ 673.891019] ? do_mkdirat+0x266/0x2f0 [ 673.894820] ? SyS_mkdir+0x22/0x30 [ 673.898369] ? do_syscall_64+0x29e/0x9d0 [ 673.902428] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 673.907796] ? graph_lock+0x170/0x170 [ 673.911588] ? find_held_lock+0x36/0x1c0 [ 673.915658] ? find_held_lock+0x36/0x1c0 [ 673.919725] ? __lock_is_held+0xb5/0x140 [ 673.923804] ? check_same_owner+0x320/0x320 [ 673.928126] ? rcu_note_context_switch+0x710/0x710 [ 673.933051] ? rcu_read_lock_sched_held+0x108/0x120 [ 673.938070] should_failslab+0x124/0x180 [ 673.942131] kmem_cache_alloc+0x2af/0x760 [ 673.946273] ? memcpy+0x45/0x50 [ 673.949548] ? kstrdup+0x59/0x70 [ 673.952927] __kernfs_new_node+0xe7/0x580 [ 673.957074] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 673.961835] ? kasan_check_read+0x11/0x20 [ 673.965978] ? read_word_at_a_time+0x12/0x20 [ 673.970385] ? strscpy+0x170/0x510 [ 673.973942] kernfs_new_node+0x80/0xf0 [ 673.977834] __kernfs_create_file+0x4d/0x330 [ 673.982243] cgroup_addrm_files+0x437/0xaf0 [ 673.986575] ? cgroup_css.part.14+0x1f0/0x1f0 [ 673.991067] ? __getnstimeofday64+0x3a8/0x500 [ 673.995564] ? getrawmonotonic64+0x4e0/0x4e0 [ 673.999977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.005507] ? kernfs_active+0x128/0x1b0 [ 674.009570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.015103] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 674.019593] ? cgroup_file_name+0x1f0/0x1f0 [ 674.023928] css_populate_dir+0x35f/0x420 [ 674.028081] cgroup_mkdir+0x807/0x10d0 [ 674.031981] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 674.036743] ? put_itimerspec64+0x310/0x310 [ 674.041066] ? set_nlink+0xaf/0x140 [ 674.044692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.050229] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 674.055768] ? kernfs_get_active+0xb2/0x120 [ 674.060089] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 674.064844] kernfs_iop_mkdir+0x159/0x1e0 [ 674.068986] ? getname_flags+0xd0/0x5a0 [ 674.072965] vfs_mkdir+0x42e/0x6b0 [ 674.076505] do_mkdirat+0x266/0x2f0 [ 674.080133] ? SyS_mknod+0x40/0x40 [ 674.083687] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 674.088529] ? do_syscall_64+0xb7/0x9d0 [ 674.092501] SyS_mkdir+0x22/0x30 [ 674.095861] ? SyS_mkdirat+0x30/0x30 [ 674.099570] do_syscall_64+0x29e/0x9d0 [ 674.103452] ? vmalloc_sync_all+0x30/0x30 [ 674.107598] ? _raw_spin_unlock_irq+0x27/0x70 [ 674.112095] ? finish_task_switch+0x1ca/0x820 [ 674.116592] ? syscall_return_slowpath+0x5c0/0x5c0 [ 674.121523] ? syscall_return_slowpath+0x30f/0x5c0 [ 674.126457] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 674.131826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 674.136678] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 674.141867] RIP: 0033:0x455259 [ 674.145050] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 674.153281] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 674.160547] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 674.167817] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 674.175079] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 2018/04/09 10:18:05 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:05 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) creat(&(0x7f0000000080)='./file0\x00', 0x20) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) r1 = syz_open_dev$sg(&(0x7f00000000c0)='/dev/sg#\x00', 0x2, 0x80000) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f0000000140)=0x2, 0x4) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r1, 0xc0145401, &(0x7f0000000100)={0x2, 0x0, 0x6, 0x3, 0x30}) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) [ 674.182341] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000014 [ 674.189930] cgroup: cgroup_addrm_files: failed to add cgroup.max.descendants, err=-12 2018/04/09 10:18:05 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000001000000000000"], 0x38}, 0x0) 2018/04/09 10:18:05 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) getpeername(r0, &(0x7f0000000000)=@can={0x0, 0x0}, &(0x7f00000000c0)=0x80) sendmsg(r0, &(0x7f0000001440)={&(0x7f0000000100)=@hci={0x1f, r1, 0x3}, 0x80, &(0x7f00000013c0)=[{&(0x7f0000000180)="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", 0x1000}, {&(0x7f0000001180)="c72110f874eeaff5687b9f64712426d3b68ea900c5e7d0c053d7ea9e689d1da7ab5410388e343069390353aefec7550a387b337cf3624159f49fd77d928e16bc1bc56d6355fbf3f7bad619834a91d8a996c2e637348dd973ce6f23c5d4feefb4ad0927bcaa198d52c7bb9a2728b22e401155f72e0ae223b14e82d351092c530ba4d1950b53cad80ecc2116022e01b807e37c6a1b2f157e00b8bc76785b", 0x9d}, {&(0x7f0000001240)="64cf3c99b4affe57af67db5e49011825de803442c6097ef5e92b5566875165890a6a0190e8395574317e3da991a053f1dbe57b3e8a6292e75ae90d0a1fc8f31602bfccf57164fd2c70bdf496e0e84f1b5f46c08caa0700c9c27b4169e222c095097ca5287471ad49b78f495c61a396d8e0518f5dc4e4d873294f", 0x7a}, {&(0x7f00000012c0)="f3a3d6e9252259951caba1ae398d1118b48ae011e62f6b7cf03fdf51b2564df0bfce1610e6efd682455d639fdfb661ca9a39bd9b2658037722b4a4386db5abfa706cf5f3cdb813bcdd9e2825c0ae53c30b179a9d2c22131ce194c5967a180bb6f7c903e383f6040a2378eef6ffe75d4e4786aab8cd13d275e59789c690358d8af56eba47cc595085e444fb392974e35986df0aefe431f271f6aac4128e44f96a9535ef8d69fedf3c810ce687bc135cde68ca728acff1777cff3e269a82c8ba4028926cebfbc253ce369c1f12fb2742727a41b2063d3ff508e6c5511839", 0xdd}], 0x4, &(0x7f0000001400), 0x0, 0x10}, 0x800) setsockopt$sock_int(r0, 0x1, 0x400000000000000e, &(0x7f0000000080)=0x7, 0x4) r2 = syz_open_dev$usbmon(&(0x7f0000001400)='/dev/usbmon#\x00', 0x3000000000000000, 0x2082) getsockopt$inet_mtu(r2, 0x0, 0xa, &(0x7f0000001480), &(0x7f00000014c0)=0x4) 2018/04/09 10:18:05 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x200000) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:05 executing program 1: r0 = syz_open_dev$midi(&(0x7f0000000080)='/dev/midi#\x00', 0x3, 0x250000) getsockname$inet(r0, &(0x7f00000000c0)={0x0, 0x0, @dev}, &(0x7f0000000100)=0x10) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={0x0, 0x7fff, 0x6}, &(0x7f0000000180)=0x10) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f00000001c0)={r2, 0x96}, &(0x7f0000000200)=0x8) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:05 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:05 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000002000000000000"], 0x38}, 0x0) 2018/04/09 10:18:05 executing program 7 (fault-call:4 fault-nth:21): 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) 2018/04/09 10:18:05 executing program 5: r0 = 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, 0x0, 0xffffffffffffffff, 0x0) r1 = dup(r0) ioctl$TIOCOUTQ(r1, 0x5411, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f0000000040)={0x0, 0x0, 0x3, 0x3}, &(0x7f00000000c0)=0x10) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f0000000140)={r2, 0x5, 0x20, 0x7, 0x800}, &(0x7f0000000180)=0x18) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r3, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r3, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:05 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:05 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000400000000000000"], 0x38}, 0x0) 2018/04/09 10:18:05 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000140), 0x394) pipe(&(0x7f00000008c0)={0xffffffffffffffff, 0xffffffffffffffff}) sync_file_range(r1, 0x81, 0x8, 0x4) r2 = syz_open_dev$sg(&(0x7f00000001c0)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f0000000080)={0x0, 0x8}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f0000000100)={r3, 0x0, 0x4, 0x5}, 0x10) clock_gettime(0x1, &(0x7f0000000240)={0x0, 0x0}) write$evdev(r2, &(0x7f0000000180)=[{{r4, r5/1000+10000}}, {{}, 0x0, 0x0, 0x4}], 0x30) write$binfmt_elf64(r0, &(0x7f0000000280)={{0x7f, 0x45, 0x4c, 0x46, 0x9713, 0x6, 0x800, 0x10, 0x6, 0x3, 0x3e, 0xffffffff, 0x104, 0x40, 0x170, 0x1, 0x8, 0x38, 0x2, 0x400, 0xa9, 0x8d}, [{0x7, 0x80000001, 0x6, 0x1, 0x6, 0x5, 0xffff, 0x9}, {0x2, 0x3f, 0x14, 0x7, 0xffff, 0x422, 0x10000, 0x8}], "7437205f91abdeaa4315aa0c6689f41ca396e4738887e172ea497171031fcbacc014807cabe2225341cdbec83b674fe7dfa1317ab62930b268535a33d9a820894ea91c037c5fe18f479ff83213ab3184a258158ffe55e9f908432377bdeb617a834ff43793c2b86827b69b3bb08dd1d48dd61bfb594bbff3686876657c01aa3116cb1e586c", [[], [], [], []]}, 0x535) setsockopt$inet_mreqsrc(r1, 0x0, 0x2f, &(0x7f0000000040)={@multicast1=0xe0000001, @remote={0xac, 0x14, 0x14, 0xbb}, @dev={0xac, 0x14, 0x14, 0x18}}, 0xc) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:05 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000002c0)="2e2f6367726f75702e6e65742fb5797a3000", 0x200002, 0x0) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000180)=0x0) sched_setattr(r1, &(0x7f00000001c0)={0x30, 0x0, 0x1, 0x7, 0xe5a, 0x3, 0x16, 0x1f0}, 0x0) r2 = accept$inet(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, @local}, &(0x7f00000000c0)=0x10) bind$inet(r2, &(0x7f0000000140)={0x2, 0x4e20, @broadcast=0xffffffff}, 0x10) r3 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r3, r3, &(0x7f0000000100), 0x3) 2018/04/09 10:18:05 executing program 6: r0 = accept$ax25(0xffffffffffffff9c, &(0x7f0000000000), &(0x7f0000000040)=0x10) r1 = syz_open_dev$dspn(&(0x7f00000000c0)='/dev/dsp#\x00', 0x52, 0x8000) setsockopt$sock_attach_bpf(r0, 0x1, 0x32, &(0x7f0000000100)=r1, 0x4) r2 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r2, 0x1, 0xe, &(0x7f0000000080), 0x4) 2018/04/09 10:18:05 executing program 4: 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, &(0x7f00009ff000)=ANY=[@ANYBLOB="1800000000f6ffffffffffffff0000009500000000000000"], &(0x7f00002bf000)='syzkaller\x00', 0x4, 0xb7, &(0x7f0000000640)=""/183}, 0x48) r2 = socket$kcm(0x29, 0x7, 0x0) ioctl$sock_kcm_SIOCKCMATTACH(r2, 0x89e0, &(0x7f0000000fc0)={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) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x400040) getsockopt$kcm_KCM_RECV_DISABLE(r3, 0x119, 0x1, &(0x7f0000000040), 0x4) ioctl$TIOCNOTTY(r3, 0x5422) 2018/04/09 10:18:05 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000004000000000000000000"], 0x38}, 0x0) [ 674.608386] FAULT_INJECTION: forcing a failure. [ 674.608386] name failslab, interval 1, probability 0, space 0, times 0 [ 674.619750] CPU: 0 PID: 17010 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 674.626695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 674.636069] Call Trace: [ 674.638953] dump_stack+0x1b9/0x294 [ 674.642617] ? dump_stack_print_info.cold.2+0x52/0x52 [ 674.647885] should_fail.cold.4+0xa/0x1a [ 674.652089] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:18:05 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000002000000000000000000"], 0x38}, 0x0) [ 674.657225] ? __might_sleep+0x95/0x190 [ 674.661585] ? graph_lock+0x170/0x170 [ 674.665417] ? __mutex_lock+0x7d9/0x17f0 [ 674.669520] ? find_held_lock+0x36/0x1c0 [ 674.673627] ? __lock_is_held+0xb5/0x140 [ 674.679605] ? check_same_owner+0x320/0x320 [ 674.683964] ? rcu_note_context_switch+0x710/0x710 [ 674.688944] should_failslab+0x124/0x180 [ 674.693041] __kmalloc_track_caller+0x2c4/0x760 [ 674.697744] ? kasan_check_read+0x11/0x20 [ 674.701932] ? do_raw_spin_unlock+0x9e/0x2e0 2018/04/09 10:18:05 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000010000"], 0x38}, 0x0) [ 674.706375] ? kstrdup_const+0x66/0x80 [ 674.710299] kstrdup+0x39/0x70 [ 674.713522] kstrdup_const+0x66/0x80 [ 674.717267] __kernfs_new_node+0xa8/0x580 [ 674.721455] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 674.726249] ? kasan_check_read+0x11/0x20 [ 674.730442] ? read_word_at_a_time+0x12/0x20 [ 674.734889] ? strscpy+0x170/0x510 [ 674.738461] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 674.744047] kernfs_new_node+0x80/0xf0 [ 674.747974] __kernfs_create_file+0x4d/0x330 [ 674.752420] cgroup_addrm_files+0x437/0xaf0 2018/04/09 10:18:05 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000020000"], 0x38}, 0x0) [ 674.756820] ? cgroup_css.part.14+0x1f0/0x1f0 [ 674.761346] ? __getnstimeofday64+0x3a8/0x500 [ 674.765882] ? getrawmonotonic64+0x4e0/0x4e0 [ 674.770331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.775906] ? kernfs_active+0x128/0x1b0 [ 674.779997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.785556] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 674.790077] ? cgroup_file_name+0x1f0/0x1f0 [ 674.794433] css_populate_dir+0x35f/0x420 [ 674.798619] cgroup_mkdir+0x807/0x10d0 [ 674.802548] ? cgroup_destroy_locked+0x7c0/0x7c0 2018/04/09 10:18:05 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000004000000000000"], 0x38}, 0x0) [ 674.807801] ? put_itimerspec64+0x310/0x310 [ 674.812158] ? set_nlink+0xaf/0x140 [ 674.815820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.821399] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 674.826974] ? kernfs_get_active+0xb2/0x120 [ 674.831322] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 674.836106] kernfs_iop_mkdir+0x159/0x1e0 [ 674.840270] ? getname_flags+0xd0/0x5a0 [ 674.844278] vfs_mkdir+0x42e/0x6b0 [ 674.847846] do_mkdirat+0x266/0x2f0 [ 674.851509] ? SyS_mknod+0x40/0x40 2018/04/09 10:18:05 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000040000000000000000"], 0x38}, 0x0) [ 674.855074] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 674.859940] ? do_syscall_64+0xb7/0x9d0 [ 674.863943] SyS_mkdir+0x22/0x30 [ 674.867327] ? SyS_mkdirat+0x30/0x30 [ 674.871063] do_syscall_64+0x29e/0x9d0 [ 674.874969] ? vmalloc_sync_all+0x30/0x30 [ 674.879131] ? _raw_spin_unlock_irq+0x27/0x70 [ 674.883733] ? finish_task_switch+0x1ca/0x820 [ 674.888260] ? syscall_return_slowpath+0x5c0/0x5c0 [ 674.893220] ? syscall_return_slowpath+0x30f/0x5c0 [ 674.898185] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 674.903591] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/04/09 10:18:05 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000020000000000000000"], 0x38}, 0x0) [ 674.908472] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 674.913681] RIP: 0033:0x455259 [ 674.916906] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 674.924649] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 674.931943] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 674.939234] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 674.946548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 2018/04/09 10:18:05 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r1 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x7f, 0x301000) ioctl$BINDER_SET_CONTEXT_MGR(r1, 0x40046207, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0x7, 0x0) ioctl$BINDER_SET_MAX_THREADS(r2, 0x40046205, 0xf6) [ 674.953837] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000015 [ 674.961532] cgroup: cgroup_addrm_files: failed to add cgroup.max.depth, err=-12 2018/04/09 10:18:06 executing program 7 (fault-call:4 fault-nth:22): 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) 2018/04/09 10:18:06 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000000), 0x2) 2018/04/09 10:18:06 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = getpgrp(0x0) fcntl$setownex(r0, 0xf, &(0x7f0000000040)={0x0, r1}) bind$inet(r0, &(0x7f0000000100)={0x2, 0x4e21, @multicast2=0xe0000002}, 0x10) sendto$inet(r0, &(0x7f0000000280), 0xfffffffffffffe74, 0x20008045, &(0x7f0000000240)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) fcntl$setsig(r0, 0xa, 0x11) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)=0xfffffffffffffffc) sendto$inet(r0, &(0x7f0000260000)="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", 0xff7, 0x3fff, 0x0, 0x0) 2018/04/09 10:18:06 executing program 0: r0 = syz_open_dev$audion(&(0x7f0000000300)='/dev/audio#\x00', 0x1000, 0x1) ioctl$ASHMEM_GET_NAME(r0, 0x81007702, &(0x7f0000000340)=""/158) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@un=@abs, &(0x7f0000000000)=0x80) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000180)={0x0, 0x93, "f31881369830852600194d0194ff62fa4f6d3251b415805d9ee35382272cdf154b88b647470f6ec72ecb00d273380dda7e059984e9f41085a4f7af2dc00fcb1302621e828ec86e7edf93a59f7511c1aaa297bdaee91522e0e441e6ab70625a71db560fe1a64549af3658afc9da2a78bd97e0a5df954a017b462a241ca134db65ffa59d21d5436a9887a7e3916491a650e444a8"}, &(0x7f0000000240)=0x9b) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x66, &(0x7f0000000280)={r3}, &(0x7f00000002c0)=0x8) r4 = openat$cgroup_int(r1, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r4, r4, &(0x7f0000000100), 0x3) 2018/04/09 10:18:06 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:06 executing program 5: r0 = 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, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) r2 = openat(r0, &(0x7f0000000140)='./file0\x00', 0x40400, 0x4) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/vcs\x00', 0x101200, 0x0) ioctl$VHOST_SET_VRING_ERR(r2, 0x4008af22, &(0x7f00000001c0)={0x1, r3}) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000200)='/dev/rfkill\x00', 0x8000, 0x0) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) accept4(r1, &(0x7f0000000000)=@ax25, &(0x7f00000000c0)=0x80, 0x800) 2018/04/09 10:18:06 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000100"], 0x38}, 0x0) 2018/04/09 10:18:06 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0xfffffffffffffd4c) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) [ 675.579471] FAULT_INJECTION: forcing a failure. [ 675.579471] name failslab, interval 1, probability 0, space 0, times 0 [ 675.590824] CPU: 0 PID: 17085 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 675.597696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 675.607072] Call Trace: [ 675.609699] dump_stack+0x1b9/0x294 [ 675.613371] ? dump_stack_print_info.cold.2+0x52/0x52 [ 675.618612] should_fail.cold.4+0xa/0x1a [ 675.622696] ? kstrdup_const+0x66/0x80 2018/04/09 10:18:06 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:06 executing program 4: r0 = socket$inet6(0xa, 0x4, 0x7) bind$inet6(r0, &(0x7f0000186fe4)={0xa, 0x4e20}, 0x1c) r1 = fcntl$dupfd(r0, 0x0, r0) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000000)=@assoc_value={0x0, 0x9}, &(0x7f0000000040)=0x8) getsockopt$inet6_buf(r0, 0x29, 0x1c, &(0x7f0000000080)=""/106, &(0x7f0000000100)=0x6a) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x75, &(0x7f00001c0000)={r2, 0x4}, 0x8) ioctl$int_in(r1, 0x5421, &(0x7f0000000c00)=0x2) sendto$inet6(r1, &(0x7f000035b000)='W', 0x1, 0x0, &(0x7f00005d6000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f00000001c0)={0x0, 0x5}, 0xfffffffffffffe55) getsockopt$inet_sctp6_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f00000006c0)={r2, 0x8001, 0x8000, 0xffffffff7fffffff, 0x4, 0x7ff, 0x1, 0x3, {r2, @in={{0x2, 0x74a, @multicast2=0xe0000002}}, 0x3b, 0x2, 0x0, 0x1000000000, 0x9}}, &(0x7f0000000380)=0xb0) r3 = accept(r1, &(0x7f00000003c0)=@can={0x0, 0x0}, &(0x7f0000000440)=0x80) alarm(0x5) accept$ipx(r1, &(0x7f0000000a40), &(0x7f0000000a80)=0x10) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000005c0)={{{@in6=@remote={0xfe, 0x80, [], 0xbb}, @in6=@mcast2={0xff, 0x2, [], 0x1}, 0x4e24, 0xffffffff, 0x4e21, 0x1, 0x2, 0x80, 0x20, 0x7f, r4}, {0x3f, 0x9, 0x20, 0xffffffff, 0x737, 0x4, 0x7, 0x1}, {0x3, 0x0, 0xfffffffffffffff8, 0x3}, 0x7fffffff, 0x6e6bb3, 0x1, 0x1, 0x2, 0x1}, {{@in=@broadcast=0xffffffff, 0x4d6, 0xff}, 0x2, @in6=@mcast1={0xff, 0x1, [], 0x1}, 0x0, 0x0, 0x2, 0x4, 0x101, 0x5, 0x40}}, 0xe8) ioctl$SNDRV_SEQ_IOCTL_PVERSION(r1, 0x80045300, &(0x7f0000000a00)) setsockopt$inet_MCAST_LEAVE_GROUP(r1, 0x0, 0x2d, &(0x7f0000000ac0)={0xfffffffffffffc01, {{0x2, 0x4e24}}}, 0x88) execveat(r1, &(0x7f0000000780)='./file0\x00', &(0x7f0000000840)=[&(0x7f00000007c0)='/cpusetcgroup)posix_acl_accessmd5sum.\x00', &(0x7f0000000800)='mime_typeGPLeth0\x00'], &(0x7f00000009c0)=[&(0x7f0000000880)='nodev*md5sum+em0bdevwlan1}%eth0\x00', &(0x7f00000008c0)='vboxnet1bdev\x00', &(0x7f0000000900)="975b7472757374656470726f634000", &(0x7f0000000940)='\x00', &(0x7f0000000980)=':em0cgroup]\x00'], 0x0) accept4$nfc_llcp(r1, &(0x7f0000000240), &(0x7f00000002c0)=0x60, 0x80000) setsockopt$inet_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f0000000140)=ANY=[@ANYRES32=0x0, @ANYBLOB="69eab1091348b7bb274f3e5a6557733c627fa6eccf5a4ba80787eddfebc2d3329ba8925e30184b30228aa617c330b992ae9a643934e2c2e5ee9054ce00fc14be461662225d83e14e9068f2"], 0xfd2a) bind$inet(r3, &(0x7f0000000b80)={0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000300)={r2, 0x4}, &(0x7f0000000340)=0x8) [ 675.626610] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 675.631738] ? kernfs_iop_mkdir+0x159/0x1e0 [ 675.636081] ? do_mkdirat+0x266/0x2f0 [ 675.639903] ? SyS_mkdir+0x22/0x30 [ 675.643473] ? do_syscall_64+0x29e/0x9d0 [ 675.647557] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 675.652955] ? graph_lock+0x170/0x170 [ 675.656781] ? find_held_lock+0x36/0x1c0 [ 675.660891] ? find_held_lock+0x36/0x1c0 [ 675.664991] ? __lock_is_held+0xb5/0x140 [ 675.669098] ? check_same_owner+0x320/0x320 [ 675.673472] ? rcu_note_context_switch+0x710/0x710 2018/04/09 10:18:06 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 675.678431] ? rcu_read_lock_sched_held+0x108/0x120 [ 675.683483] should_failslab+0x124/0x180 [ 675.687580] kmem_cache_alloc+0x2af/0x760 [ 675.691762] ? memcpy+0x45/0x50 [ 675.695074] ? kstrdup+0x59/0x70 [ 675.698475] __kernfs_new_node+0xe7/0x580 [ 675.702656] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 675.707448] ? kasan_check_read+0x11/0x20 [ 675.711629] ? read_word_at_a_time+0x12/0x20 [ 675.716059] ? strscpy+0x170/0x510 [ 675.719624] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 675.725198] kernfs_new_node+0x80/0xf0 [ 675.729120] __kernfs_create_file+0x4d/0x330 [ 675.733559] cgroup_addrm_files+0x437/0xaf0 [ 675.737925] ? cgroup_css.part.14+0x1f0/0x1f0 [ 675.742444] ? __getnstimeofday64+0x3a8/0x500 [ 675.746962] ? getrawmonotonic64+0x4e0/0x4e0 [ 675.751393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.757490] ? kernfs_active+0x128/0x1b0 2018/04/09 10:18:06 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) timer_create(0x4, &(0x7f00000000c0)={0x0, 0x8, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)=0x0) timer_gettime(r2, &(0x7f0000000140)) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) timerfd_settime(r0, 0x1, &(0x7f0000000180)={{}, {0x77359400}}, &(0x7f00000001c0)) ioctl$int_out(r0, 0x2, &(0x7f0000000080)) 2018/04/09 10:18:06 executing program 6: setsockopt$sock_int(0xffffffffffffffff, 0x1, 0xe, &(0x7f0000000080), 0x4) r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x80, 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000040)=0xffff, 0x1) 2018/04/09 10:18:06 executing program 4: r0 = syz_open_dev$sndctrl(&(0x7f000090cfed)='/dev/snd/controlC#\x00', 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000100)='net/nfsfs\x00') ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(r1, 0xc08c5335, &(0x7f0000000140)={0x6, 0xa5, 0x10001, 'queue1\x00', 0x101}) perf_event_open(&(0x7f0000001000)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8ce, 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={&(0x7f0000005000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0xc0405519, &(0x7f0000001000)=""/250) r2 = msgget$private(0x0, 0x30) msgctl$IPC_INFO(r2, 0x3, &(0x7f0000000200)=""/113) ioctl$SNDRV_CTL_IOCTL_TLV_COMMAND(r0, 0xc008551c, &(0x7f0000000000)={0x7ff, 0x24, [0xfff, 0xfffffffffffffffa, 0x5, 0x101, 0xfffffffffffff98d, 0xfffffffffffffffd, 0x7fff, 0x8, 0x81]}) r3 = syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0x7, 0x402001) ioctl$KVM_ENABLE_CAP(r3, 0x4068aea3, &(0x7f0000000080)={0x0, 0x0, [0x7, 0x72, 0x6, 0x9]}) 2018/04/09 10:18:06 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000200"], 0x38}, 0x0) [ 675.757534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 2018/04/09 10:18:06 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 675.757551] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 675.757568] ? cgroup_file_name+0x1f0/0x1f0 [ 675.757601] css_populate_dir+0x35f/0x420 [ 675.757630] cgroup_mkdir+0x807/0x10d0 [ 675.757665] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 675.757690] ? put_itimerspec64+0x310/0x310 [ 675.757715] ? set_nlink+0xaf/0x140 [ 675.757734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.757755] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 675.757772] ? kernfs_get_active+0xb2/0x120 [ 675.757788] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 675.757806] kernfs_iop_mkdir+0x159/0x1e0 [ 675.757819] ? getname_flags+0xd0/0x5a0 [ 675.757840] vfs_mkdir+0x42e/0x6b0 [ 675.757870] do_mkdirat+0x266/0x2f0 [ 675.757893] ? SyS_mknod+0x40/0x40 [ 675.757915] ? ksys_mount+0xa8/0x140 [ 675.757931] ? do_syscall_64+0xb7/0x9d0 [ 675.757945] SyS_mkdir+0x22/0x30 [ 675.757956] ? SyS_mkdirat+0x30/0x30 [ 675.757972] do_syscall_64+0x29e/0x9d0 [ 675.757988] ? vmalloc_sync_all+0x30/0x30 [ 675.758006] ? _raw_spin_unlock_irq+0x27/0x70 [ 675.758025] ? finish_task_switch+0x1ca/0x820 [ 675.758044] ? syscall_return_slowpath+0x5c0/0x5c0 [ 675.758064] ? syscall_return_slowpath+0x30f/0x5c0 [ 675.758086] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 675.758112] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 675.758141] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 675.758155] RIP: 0033:0x455259 [ 675.758165] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 675.758185] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 675.758196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 675.758207] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/09 10:18:06 executing program 7 (fault-call:4 fault-nth:23): 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) 2018/04/09 10:18:06 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setrlimit(0x7, &(0x7f000018f000)) syz_open_dev$urandom(&(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x200000) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000180)=[@text16={0x10, &(0x7f0000000340)="b809008ed0360f017801440f20c0663502000000440f22c0baa000b80000efbaf80c66b8e679618b66efbafc0cecba2000ed332ab8bd000f00d066b95e0a000066b80080000066ba000000000f3065643666dec5"}], 0xf6, 0x0, &(0x7f0000000240), 0x0) 2018/04/09 10:18:06 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$OBJ_GET_MAP(0x7, &(0x7f00000000c0)={&(0x7f0000000080)='./file0\x00', 0x0, 0x18}, 0x10) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:06 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:06 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x48, &(0x7f0000000000)=[{&(0x7f0000000140)="71a5483f9140162b49d5b15fb3acd953a22dc41626061cf5c31941675990bc1ac480fd07b58c56428dd2e8c4f286dfbd869c51222b82301f3f9f4958616cd2d7157fcdb0a02de1baf4afe05776f9d68d6ea2760fb3de47cddceeca8686a6cd9a164184992431129cf388512819ce4efca040e6358600b7a726ff49063547a4bb0e091fcb398e1075d9fb66c7f5d351cf055baaa6fc13ad4665", 0x99}], 0x1, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:06 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000000)=0x7) mprotect(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x6) setsockopt$sock_int(r0, 0x1, 0x0, &(0x7f0000000080), 0x4) 2018/04/09 10:18:06 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000040000"], 0x38}, 0x0) 2018/04/09 10:18:06 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='cpu.weight\x00', 0x2, 0x0) memfd_create(&(0x7f0000000040)='\x00', 0x3) sendfile(r1, r1, &(0x7f0000000100), 0x3) [ 675.758218] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 675.758228] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000016 [ 675.758548] cgroup: cgroup_addrm_files: failed to add cgroup.max.depth, err=-12 [ 676.234613] FAULT_INJECTION: forcing a failure. [ 676.234613] name failslab, interval 1, probability 0, space 0, times 0 [ 676.246085] CPU: 0 PID: 17143 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 676.252952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 676.262344] Call Trace: [ 676.264965] dump_stack+0x1b9/0x294 [ 676.268604] ? dump_stack_print_info.cold.2+0x52/0x52 [ 676.273812] should_fail.cold.4+0xa/0x1a [ 676.277877] ? perf_tp_event+0xc30/0xc30 [ 676.281937] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 676.287039] ? memset+0x31/0x40 [ 676.290316] ? perf_trace_lock_acquire+0x4f1/0x980 [ 676.295242] ? perf_trace_lock+0x900/0x900 [ 676.299503] ? print_usage_bug+0xc0/0xc0 [ 676.303568] should_failslab+0x124/0x180 [ 676.307644] kmem_cache_alloc+0x47/0x760 [ 676.311700] ? lock_downgrade+0x8e0/0x8e0 [ 676.315852] radix_tree_node_alloc.constprop.19+0x1e6/0x310 [ 676.321565] idr_get_free+0x87e/0x1090 [ 676.325461] ? radix_tree_clear_tags+0xc0/0xc0 [ 676.330042] ? unwind_get_return_address+0x61/0xa0 [ 676.334968] ? __save_stack_trace+0x7e/0xd0 [ 676.339284] ? memset+0x31/0x40 [ 676.342560] ? perf_trace_lock_acquire+0x4f1/0x980 [ 676.347481] ? save_stack+0xa9/0xd0 [ 676.351108] ? perf_trace_lock+0x900/0x900 [ 676.355336] ? css_populate_dir+0x35f/0x420 [ 676.359654] ? kernfs_iop_mkdir+0x159/0x1e0 [ 676.363966] ? do_mkdirat+0x266/0x2f0 [ 676.367757] ? SyS_mkdir+0x22/0x30 [ 676.371296] ? do_syscall_64+0x29e/0x9d0 [ 676.375350] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 676.380717] ? find_held_lock+0x36/0x1c0 [ 676.384776] ? print_usage_bug+0xc0/0xc0 [ 676.388837] ? graph_lock+0x170/0x170 [ 676.392635] idr_alloc_u32+0x1ef/0x3b0 [ 676.396523] ? __fprop_inc_percpu_max+0x2c0/0x2c0 [ 676.401359] ? lock_acquire+0x1dc/0x520 [ 676.405338] ? __kernfs_new_node+0x10e/0x580 [ 676.409742] ? __lock_is_held+0xb5/0x140 [ 676.413818] idr_alloc_cyclic+0x167/0x340 [ 676.417971] ? idr_alloc+0x1a0/0x1a0 [ 676.421687] ? kasan_check_write+0x14/0x20 [ 676.425918] ? do_raw_spin_lock+0xc1/0x200 [ 676.430159] __kernfs_new_node+0x1a3/0x580 [ 676.434392] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 676.439159] ? kasan_check_read+0x11/0x20 [ 676.443299] ? read_word_at_a_time+0x12/0x20 [ 676.447700] ? strscpy+0x170/0x510 [ 676.451233] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 676.456774] kernfs_new_node+0x80/0xf0 [ 676.460657] __kernfs_create_file+0x4d/0x330 [ 676.465063] cgroup_addrm_files+0x437/0xaf0 [ 676.469388] ? cgroup_css.part.14+0x1f0/0x1f0 [ 676.473881] ? __getnstimeofday64+0x3a8/0x500 [ 676.478375] ? getrawmonotonic64+0x4e0/0x4e0 [ 676.482782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.488312] ? kernfs_active+0x128/0x1b0 [ 676.492370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.497900] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 676.502388] ? cgroup_file_name+0x1f0/0x1f0 [ 676.506713] css_populate_dir+0x35f/0x420 [ 676.510866] cgroup_mkdir+0x807/0x10d0 [ 676.514760] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 676.519512] ? put_itimerspec64+0x310/0x310 [ 676.523834] ? set_nlink+0xaf/0x140 [ 676.527454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.532988] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 676.538520] ? kernfs_get_active+0xb2/0x120 [ 676.542835] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 676.547597] kernfs_iop_mkdir+0x159/0x1e0 [ 676.551738] ? getname_flags+0xd0/0x5a0 [ 676.555711] vfs_mkdir+0x42e/0x6b0 [ 676.559252] do_mkdirat+0x266/0x2f0 [ 676.562877] ? SyS_mknod+0x40/0x40 [ 676.566414] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 676.571254] ? do_syscall_64+0xb7/0x9d0 [ 676.575239] SyS_mkdir+0x22/0x30 [ 676.578615] ? SyS_mkdirat+0x30/0x30 [ 676.582320] do_syscall_64+0x29e/0x9d0 [ 676.586199] ? vmalloc_sync_all+0x30/0x30 [ 676.590339] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 676.595187] ? syscall_return_slowpath+0x5c0/0x5c0 [ 676.600124] ? syscall_return_slowpath+0x30f/0x5c0 [ 676.605059] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 676.610440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.615286] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 676.620468] RIP: 0033:0x455259 [ 676.623647] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 2018/04/09 10:18:07 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000010000000000"], 0x38}, 0x0) 2018/04/09 10:18:07 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000040), 0x4) [ 676.631355] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 676.638793] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 676.646055] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 676.653316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 676.660577] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000017 2018/04/09 10:18:07 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000100)={0x0, 0xfffffffffffffffd}, &(0x7f0000000140)=0x8) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:07 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) r1 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x7, 0x2) getpeername$packet(0xffffffffffffffff, &(0x7f00000009c0)={0x0, 0x0, 0x0}, &(0x7f0000000a00)=0x14) connect$can_bcm(r1, &(0x7f0000000a40)={0x1d, r2}, 0x10) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:07 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:07 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000020000000000"], 0x38}, 0x0) 2018/04/09 10:18:07 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet6_buf(r0, 0x29, 0xfb, &(0x7f0000000080)=""/65, &(0x7f0000000100)=0x41) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000140)=0x101) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:07 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x840, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000040)={0x10000, 0x0, 0x0, 0x100000001}) ioctl$DRM_IOCTL_SG_ALLOC(r1, 0xc0106438, &(0x7f00000000c0)={0x2, r2}) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:07 executing program 7 (fault-call:4 fault-nth:24): 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) 2018/04/09 10:18:07 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000040000000000"], 0x38}, 0x0) 2018/04/09 10:18:07 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) statfs(&(0x7f0000000000)='./file0\x00', &(0x7f0000000140)=""/167) 2018/04/09 10:18:07 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) ioctl$KVM_REINJECT_CONTROL(r1, 0xae71, &(0x7f0000000000)={0x100000001}) 2018/04/09 10:18:07 executing program 1: r0 = open(&(0x7f0000000100)='./file0\x00', 0x6000, 0x70) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffff9c, 0x84, 0xa, &(0x7f0000000140)={0x426, 0xffffffff, 0x2, 0x1, 0xffffffffffffff9a, 0x400, 0x5, 0x100, 0x0}, &(0x7f0000000180)=0x20) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f00000001c0)=@assoc_id=r1, 0x4) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r3, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl$KVM_SET_PIT(r3, 0x8048ae66, &(0x7f0000000080)={[{0x6, 0x7, 0x3f, 0x0, 0x6, 0x7fff, 0xfffffffffffffffe, 0x100000001, 0x1f, 0x4, 0x80000001, 0xfffffffffffffff9, 0x9}, {0x3ff, 0x100000001, 0x1, 0x4, 0x9b03, 0x20, 0x3f, 0x3, 0x1263, 0x9, 0x0, 0x9, 0xffffffff80000001}, {0x1, 0x6, 0x1, 0x4, 0x5, 0x3, 0x8, 0x8, 0x2, 0x101, 0x7, 0x80000001, 0x168}], 0x7fff}) ioctl(r3, 0x2286, &(0x7f0000c95ffe)) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000000200)=0x9bf1, 0x4) 2018/04/09 10:18:07 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:07 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000000)=0x0) process_vm_readv(r1, &(0x7f0000000040), 0x0, &(0x7f0000000500)=[{&(0x7f00000000c0)=""/98, 0x62}, {&(0x7f0000000140)=""/163, 0xa3}, {&(0x7f0000000200)=""/131, 0x83}, {&(0x7f00000002c0)=""/143, 0x8f}, {&(0x7f0000000380)=""/226, 0xe2}, {&(0x7f0000000480)=""/66, 0x42}], 0x6, 0x0) pread64(r0, &(0x7f0000000580)=""/87, 0x57, 0x0) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) 2018/04/09 10:18:07 executing program 4: bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x10}, 0x10) r0 = syz_open_dev$mice(&(0x7f00003cc000)='/dev/input/mice\x00', 0x0, 0x1) write$tun(r0, &(0x7f0000b54d98), 0x2e) ppoll(&(0x7f0000b2dfc8)=[{r0}], 0x1, &(0x7f0000820000), &(0x7f000066b000), 0x8) [ 677.067834] FAULT_INJECTION: forcing a failure. [ 677.067834] name failslab, interval 1, probability 0, space 0, times 0 [ 677.079291] CPU: 0 PID: 17215 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 677.086343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 677.095721] Call Trace: [ 677.098345] dump_stack+0x1b9/0x294 [ 677.102006] ? dump_stack_print_info.cold.2+0x52/0x52 [ 677.107244] should_fail.cold.4+0xa/0x1a [ 677.111336] ? kstrdup_const+0x66/0x80 [ 677.115260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 677.120391] ? kernfs_iop_mkdir+0x159/0x1e0 [ 677.124747] ? do_mkdirat+0x266/0x2f0 [ 677.128571] ? SyS_mkdir+0x22/0x30 [ 677.132150] ? do_syscall_64+0x29e/0x9d0 [ 677.136245] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 677.141652] ? graph_lock+0x170/0x170 [ 677.145506] ? find_held_lock+0x36/0x1c0 [ 677.149630] ? find_held_lock+0x36/0x1c0 [ 677.153731] ? __lock_is_held+0xb5/0x140 [ 677.157848] ? check_same_owner+0x320/0x320 [ 677.162198] ? rcu_note_context_switch+0x710/0x710 [ 677.167152] ? rcu_read_lock_sched_held+0x108/0x120 [ 677.172193] should_failslab+0x124/0x180 [ 677.176280] kmem_cache_alloc+0x2af/0x760 [ 677.180443] ? memcpy+0x45/0x50 [ 677.183744] ? kstrdup+0x59/0x70 [ 677.187141] __kernfs_new_node+0xe7/0x580 [ 677.191318] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 677.196107] ? kasan_check_read+0x11/0x20 [ 677.200281] ? read_word_at_a_time+0x12/0x20 [ 677.204714] ? strscpy+0x170/0x510 [ 677.208280] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 677.213871] kernfs_new_node+0x80/0xf0 [ 677.217790] __kernfs_create_file+0x4d/0x330 [ 677.222240] cgroup_addrm_files+0x437/0xaf0 [ 677.226610] ? cgroup_css.part.14+0x1f0/0x1f0 [ 677.231306] ? __getnstimeofday64+0x3a8/0x500 [ 677.235832] ? getrawmonotonic64+0x4e0/0x4e0 [ 677.240267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.245828] ? kernfs_active+0x128/0x1b0 [ 677.249917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.255471] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 677.259985] ? cgroup_file_name+0x1f0/0x1f0 [ 677.264337] css_populate_dir+0x35f/0x420 2018/04/09 10:18:07 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000140)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) 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, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}, 0x0, 0x0, 0x8}, {{}, 0x1, 0x4}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:07 executing program 1: getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000080)={0x9, 0x9, 0x8202, 0x200, 0x100000000, 0x7, 0x8, 0x1}, &(0x7f00000000c0)=0x20) r0 = syz_open_dev$dmmidi(&(0x7f0000000100)='/dev/dmmidi#\x00', 0x7, 0x10000) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f0000000140)={0x0, 0x2650, 0x30, 0x3, 0xa19b}, &(0x7f0000000180)=0x18) finit_module(r0, &(0x7f0000000280)='/dev/sg#\x00', 0x1) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffff9c, 0x84, 0x66, &(0x7f00000001c0)={0x0, 0x5}, &(0x7f0000000200)=0x8) write$sndseq(r0, &(0x7f00000002c0)=[{0x80, 0x3, 0x10001, 0x8, @tick=0x2, {0x7147, 0x2}, {0xffffffff, 0x200}, @result={0xb1e, 0xfffffffffffff001}}, {0x4, 0x3, 0x0, 0x0, @tick=0x8, {0x80000000, 0x80000000}, {0x6, 0xb297}, @addr={0x1, 0x404}}], 0x60) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000240)={r1, 0xfffffffffffffff9}, 0x8) pipe(&(0x7f0000000040)) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:08 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) r3 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) r4 = syz_genetlink_get_family_id$team(&(0x7f00000000c0)='team\x00') getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f0000000100)={{{@in6=@remote, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6=@mcast1}}, &(0x7f0000000200)=0xe8) getsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000300)={0x0, @remote}, &(0x7f00000002c0)=0xc) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f00000003c0)={{{@in=@local, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in6=@mcast2}}, &(0x7f00000004c0)=0xe8) getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f0000000500)={{{@in=@dev, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @remote}}, 0x0, @in=@dev}}, &(0x7f0000000600)=0xe8) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000800)={{{@in=@multicast1, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in6=@loopback}}, &(0x7f0000000900)=0xe8) accept4$packet(r2, &(0x7f00000009c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000a00)=0x14, 0x0) accept$packet(r0, &(0x7f0000000b00)={0x0, 0x0, 0x0}, &(0x7f0000000b40)=0x14) getpeername$packet(r1, &(0x7f00000020c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000002100)=0x14) getsockopt$inet_IP_XFRM_POLICY(r3, 0x0, 0x11, &(0x7f0000002140)={{{@in=@multicast2, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in=@multicast1}}, &(0x7f0000002240)=0xe8) sendmsg$TEAM_CMD_PORT_LIST_GET(r1, &(0x7f0000002680)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000002640)={&(0x7f0000002280)={0x398, r4, 0x734, 0x70bd2b, 0x25dfdbfc, {0x3}, [{{0x8, 0x1, r5}, {0xb4, 0x2, [{0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x3a7}}, {0x8, 0x7}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x1f}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x9}}}]}}, {{0x8, 0x1, r6}, {0x1b4, 0x2, [{0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x3}}, {0x8, 0x6, r7}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x4}}, {0x8, 0x7}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x653}}, {0x8, 0x7}}}, {0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8, 0x3, 0x5}, {0x10, 0x4, 'roundrobin\x00'}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x6}}, {0x8, 0x6, r8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x100000001}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xb02}}}]}}, {{0x8, 0x1, r9}, {0x104, 0x2, [{0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0xfffffffffffff9a5}}, {0x8, 0x6, r10}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x4}}, {0x8, 0x6, r11}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x5}}, {0x8, 0x6, r12}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x200}}, {0x8, 0x6, r13}}}]}}]}, 0x398}, 0x1, 0x0, 0x0, 0x20000005}, 0x20000811) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:08 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 677.268515] cgroup_mkdir+0x807/0x10d0 [ 677.272436] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 677.277213] ? put_itimerspec64+0x310/0x310 [ 677.281559] ? set_nlink+0xaf/0x140 [ 677.285209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.291750] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 677.297308] ? kernfs_get_active+0xb2/0x120 [ 677.301651] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 677.306457] kernfs_iop_mkdir+0x159/0x1e0 [ 677.310883] ? getname_flags+0xd0/0x5a0 [ 677.314886] vfs_mkdir+0x42e/0x6b0 2018/04/09 10:18:08 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000400000000000000"], 0x38}, 0x0) 2018/04/09 10:18:08 executing program 5: perf_event_open(&(0x7f0000000000)={0x2, 0x70, 0x3e3, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x59, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) r1 = syz_open_dev$adsp(&(0x7f00000000c0)='/dev/adsp#\x00', 0x7, 0x301) ioctl$TIOCMBIC(r1, 0x5417, &(0x7f0000000140)=0x1) [ 677.318451] do_mkdirat+0x266/0x2f0 [ 677.322100] ? SyS_mknod+0x40/0x40 [ 677.325660] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 677.330525] ? do_syscall_64+0xb7/0x9d0 [ 677.334520] SyS_mkdir+0x22/0x30 [ 677.337902] ? SyS_mkdirat+0x30/0x30 [ 677.341635] do_syscall_64+0x29e/0x9d0 [ 677.345538] ? vmalloc_sync_all+0x30/0x30 [ 677.349703] ? _raw_spin_unlock_irq+0x27/0x70 [ 677.354215] ? finish_task_switch+0x1ca/0x820 [ 677.358733] ? syscall_return_slowpath+0x5c0/0x5c0 [ 677.363683] ? syscall_return_slowpath+0x30f/0x5c0 2018/04/09 10:18:08 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:08 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000200000000000000"], 0x38}, 0x0) [ 677.368641] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 677.374035] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 677.378903] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 677.384105] RIP: 0033:0x455259 [ 677.387303] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 677.395030] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 677.402317] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 677.409606] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 677.416888] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 677.424174] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000018 [ 677.432106] cgroup: cgroup_addrm_files: failed to add cgroup.stat, err=-12 2018/04/09 10:18:08 executing program 7 (fault-call:4 fault-nth:25): 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) 2018/04/09 10:18:08 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) 2018/04/09 10:18:08 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)="2e2f6367726f757000361a6f74a1b774b8642f3dfdd313d92946ff0167415d8dc22791dcd496520c1c99f4b07d3b2a11090000000229210b73abdcd2986fc290ac9b6ace278586d39949a54fb276eb1fd3964b0cad27e417b33abb8d3b00e64e75e4dff47de27536dccdde5fc746b04faafcec347560a31b3a35a5f20bc949d75cbb763987", 0x200002, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0x9, 0x4000) ioctl$KVM_X86_SETUP_MCE(r1, 0x4008ae9c, &(0x7f00000000c0)={0x1d, 0x2, 0x5f}) r2 = openat$cgroup_procs(r0, &(0x7f0000000000)='cgroup.threads\x00', 0x2, 0x0) socket$key(0xf, 0x3, 0x2) syz_open_dev$vcsn(&(0x7f0000000040)='/dev/vcs#\x00', 0x0, 0x0) fremovexattr(r2, &(0x7f0000000200)=@known='security.capability\x00') 2018/04/09 10:18:08 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x440000, 0x0) sendmsg$netrom(r1, &(0x7f0000000040)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x48, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x4) 2018/04/09 10:18:08 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000400"], 0x38}, 0x0) 2018/04/09 10:18:08 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:08 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x2f, &(0x7f0000000040)=0x10000, 0x4) 2018/04/09 10:18:08 executing program 1: pipe(&(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$KVM_SET_IDENTITY_MAP_ADDR(r0, 0x4008ae48, &(0x7f00000002c0)=0x2002) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vhost-vsock\x00', 0x2, 0x0) fcntl$F_SET_RW_HINT(r1, 0x40c, &(0x7f0000000200)) pipe(&(0x7f0000000040)) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) 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(r2, 0x2286, &(0x7f0000c95ffe)) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) clock_gettime(0x0, &(0x7f0000000140)={0x0, 0x0}) utimensat(r2, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)={{r3, r4/1000+30000}, {r5, r6/1000+10000}}, 0x100) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000080)=0xde) 2018/04/09 10:18:08 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) r1 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x3a7800000, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_GET_SERVICE(r1, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0x98, r2, 0x200, 0x70bd29, 0x25dfdbfd, {0x4}, [@IPVS_CMD_ATTR_DEST={0x24, 0x2, [@IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0xbd3}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x4}]}, @IPVS_CMD_ATTR_SERVICE={0x30, 0x1, [@IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e24}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@broadcast=0xffffffff}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e22}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0x30, 0x1, [@IPVS_SVC_ATTR_ADDR={0x14, 0x3}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0xc}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e21}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x35}]}]}, 0x98}, 0x1, 0x0, 0x0, 0x40}, 0x20000010) [ 677.617857] FAULT_INJECTION: forcing a failure. [ 677.617857] name failslab, interval 1, probability 0, space 0, times 0 [ 677.629234] CPU: 0 PID: 17279 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 677.636097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 677.645468] Call Trace: [ 677.648082] dump_stack+0x1b9/0x294 [ 677.651746] ? dump_stack_print_info.cold.2+0x52/0x52 [ 677.656986] should_fail.cold.4+0xa/0x1a [ 677.661163] ? kstrdup_const+0x66/0x80 [ 677.665087] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 677.670221] ? kernfs_iop_mkdir+0x159/0x1e0 [ 677.674568] ? do_mkdirat+0x266/0x2f0 [ 677.678389] ? SyS_mkdir+0x22/0x30 [ 677.681961] ? do_syscall_64+0x29e/0x9d0 [ 677.686049] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 677.691466] ? graph_lock+0x170/0x170 [ 677.695289] ? find_held_lock+0x36/0x1c0 [ 677.699572] ? find_held_lock+0x36/0x1c0 [ 677.703673] ? __lock_is_held+0xb5/0x140 [ 677.707784] ? check_same_owner+0x320/0x320 [ 677.712139] ? rcu_note_context_switch+0x710/0x710 2018/04/09 10:18:08 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'bridge0\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 677.717092] ? rcu_read_lock_sched_held+0x108/0x120 [ 677.722145] should_failslab+0x124/0x180 [ 677.726230] kmem_cache_alloc+0x2af/0x760 [ 677.730393] ? memcpy+0x45/0x50 [ 677.733699] ? kstrdup+0x59/0x70 [ 677.737100] __kernfs_new_node+0xe7/0x580 [ 677.741277] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 677.746066] ? kasan_check_read+0x11/0x20 [ 677.750240] ? read_word_at_a_time+0x12/0x20 [ 677.754674] ? strscpy+0x170/0x510 [ 677.758235] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 677.763815] kernfs_new_node+0x80/0xf0 2018/04/09 10:18:08 executing program 5: r0 = 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, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f00000001c0)) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000000)={0x6, r0}) ioctl$KDGKBENT(r2, 0x4b46, &(0x7f0000000040)={0x7, 0x10001, 0x6}) mknodat(r2, &(0x7f00000000c0)='./file0\x00', 0xc0, 0x3f) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 677.767728] __kernfs_create_file+0x4d/0x330 [ 677.772161] cgroup_addrm_files+0x437/0xaf0 [ 677.776521] ? cgroup_css.part.14+0x1f0/0x1f0 [ 677.781039] ? __getnstimeofday64+0x3a8/0x500 [ 677.785565] ? getrawmonotonic64+0x4e0/0x4e0 [ 677.790001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.795555] ? kernfs_active+0x128/0x1b0 [ 677.799643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.805199] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 677.809715] ? cgroup_file_name+0x1f0/0x1f0 [ 677.814072] css_populate_dir+0x35f/0x420 2018/04/09 10:18:08 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) r1 = openat(r0, &(0x7f0000000000)='./file0\x00', 0x800, 0x20) getsockopt$bt_l2cap_L2CAP_OPTIONS(r1, 0x6, 0x1, &(0x7f0000000040), &(0x7f00000000c0)=0xc) [ 677.818247] cgroup_mkdir+0x807/0x10d0 [ 677.822166] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 677.826944] ? put_itimerspec64+0x310/0x310 [ 677.831292] ? set_nlink+0xaf/0x140 [ 677.834944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.840509] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 677.846066] ? kernfs_get_active+0xb2/0x120 [ 677.850417] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 677.855465] kernfs_iop_mkdir+0x159/0x1e0 [ 677.859632] ? getname_flags+0xd0/0x5a0 [ 677.863631] vfs_mkdir+0x42e/0x6b0 2018/04/09 10:18:08 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:08 executing program 5: r0 = 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, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_TIMER_IOCTL_TREAD(r0, 0x40045402, &(0x7f0000000040)=0x1) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000000)) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 677.867196] do_mkdirat+0x266/0x2f0 [ 677.870847] ? SyS_mknod+0x40/0x40 [ 677.874399] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 677.879262] ? do_syscall_64+0xb7/0x9d0 [ 677.883261] SyS_mkdir+0x22/0x30 [ 677.886642] ? SyS_mkdirat+0x30/0x30 [ 677.890373] do_syscall_64+0x29e/0x9d0 [ 677.894271] ? vmalloc_sync_all+0x30/0x30 [ 677.898437] ? _raw_spin_unlock_irq+0x27/0x70 [ 677.902952] ? finish_task_switch+0x1ca/0x820 [ 677.907475] ? syscall_return_slowpath+0x5c0/0x5c0 [ 677.912431] ? syscall_return_slowpath+0x30f/0x5c0 2018/04/09 10:18:08 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 677.917392] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 677.922799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 677.927675] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 677.932880] RIP: 0033:0x455259 [ 677.936077] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 677.943809] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 677.951094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 677.958378] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/09 10:18:08 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 677.965664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 677.972947] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000019 [ 677.980782] cgroup: cgroup_addrm_files: failed to add cpu.stat, err=-12 2018/04/09 10:18:08 executing program 7 (fault-call:4 fault-nth:26): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:08 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x0, 0x0) ioctl$VT_GETSTATE(r0, 0x5603, &(0x7f0000000100)={0x3, 0x1, 0x1fa}) pipe(&(0x7f0000000040)) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:08 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x4, 0x2000) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r1, 0x40a85323, &(0x7f0000000180)={{0x7, 0x1}, 'port1\x00', 0x1, 0x20000, 0x0, 0x1, 0x9, 0x0, 0xde, 0x0, 0x4, 0x8}) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r2, r2, &(0x7f0000000100), 0x3) 2018/04/09 10:18:08 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:08 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000001"], 0x38}, 0x0) 2018/04/09 10:18:08 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000013e95), 0x4) getsockopt$sock_buf(r2, 0x1, 0x1a, &(0x7f0000000000)=""/192, &(0x7f00000000c0)=0xc0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000040), 0x4) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000)=0x4, 0x4) 2018/04/09 10:18:08 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f00009f2000)={&(0x7f000007cff4)={0x10}, 0xc, &(0x7f0000226000)={&(0x7f0000000000)=ANY=[@ANYBLOB="180000001300bf0200000000000000000000000058000000"], 0x18}, 0x1}, 0x0) 2018/04/09 10:18:08 executing program 5: r0 = 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, 0x0, 0xffffffffffffffff, 0x0) r1 = socket(0x13, 0x4, 0x58e) ioctl$sock_netrom_TIOCOUTQ(r1, 0x5411, &(0x7f0000000380)) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) getsockopt$inet6_dccp_buf(r2, 0x21, 0xce, &(0x7f0000000300)=""/25, &(0x7f0000000340)=0x19) socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f0000000040)) sendmsg$alg(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000700)=[{&(0x7f0000000500)}, {&(0x7f0000000540)="dc44580ad59f9cc2298af51c7c9f9d37d1fc604e475a5627bd249296b3d9db9abf6ce82bd14d2060cf56e1a775fd0dd1518abd42646f0fbaf54a62b0bfd04cea84aa09c5404c1c529a311f45d7d97179c113046553f008c16d42fbc08e0d5ee5e2309a0411b95ad94d43275dcbf581a2a5dcaadb62d1642f8e548d37242c9ce3e55152cbee5e31063a9d0e26d334fe263901848e5cb2383a0c1dad0383aac595ba3deba259ee7a00ca803db9ed269d472e305f9ac374a0de0b742d7eaf6dc8a6817dc014d13907d4d3603623636bfda8d6c337", 0xd3}, {&(0x7f0000000640)="101ee3bf5c8c1f1d714fc37141750a4030421a5294015c593b8f4462f1d98981930b8544648e17d3f554424a415833e18046b5b3dfb29af4a0cf05ac995756929b54b0d82de51d416e973d728a9f3642b8e025ccc9b306210f9be4a600907edcc61e6cba805365ed2e094d9b57b801d08e97836c5aaa55fcfb5d36b28aefc005324417128917db1d11c8be90bb35629c038a0601", 0x94}], 0x3, &(0x7f0000000740)=[@iv={0x60, 0x117, 0x2, 0x46, "4026de5dd799e603db6e136cda4adfdffef432c440f00ae8ea062c918ac8e73afc2bce579310f3dd717d144f8a4bfd360e23b270838b5e3a63f709c7857dc10650d4453ff6db"}, @op={0x18, 0x117, 0x3, 0x1}], 0x78}, 0x4c040) r3 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000180)='memory.stat\x00', 0x0, 0x0) ioctl$EVIOCGMASK(r3, 0x80104592, &(0x7f00000002c0)={0x5, 0xe2, &(0x7f00000001c0)="7279f9bbb0260da70881086203f4c89703d308c9ff59598836e848d74c2906b26f71aadca8eb38723073688ae4430092a109b8ae17443e869bd6f81a0b5d6da472f28c54be0ca125355d1e01b2edf78ad667ca4df37aee68fff08b1f0b03bdeb7328de142021d9d8be65dcce38da6046855cc7150fea05fcce5cd9bd13fe88c6b41415035a2724f1f7a03bb8a3d5f37185cfa40c8f738b5bc2090b402396b1f5d04c5ab0fc8446b80b3fca052e438e292874b2645ff24b3b8ceac80545b740f1f7fbc0eee6bbd83aee4c16fa215e36af9afe3f6d0c30c3b733c8f87ba6ffe2f22213"}) ioctl$PPPIOCGCHAN(r2, 0x80047437, &(0x7f00000003c0)) ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000140)={'ip6gre0\x00', 0x800}) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x1, @random="01ab707f219a", 'ip6gre0\x00'}}, 0x1e) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r3, 0x84, 0x70, &(0x7f0000000400)={0x0, @in={{0x2, 0x4e24, @broadcast=0xffffffff}}, [0x9, 0x27d65d35, 0x100000000, 0x4, 0x9, 0xfffffffffffffc01, 0x6, 0x2d5, 0x4c, 0x6, 0x3, 0x0, 0xfbb, 0x9, 0x4]}, &(0x7f00000000c0)=0x100) setsockopt$inet_sctp6_SCTP_CONTEXT(r3, 0x84, 0x11, &(0x7f0000000100)={r4, 0x77079ea5}, 0x8) sendmsg$netrom(r2, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) socket$pppoe(0x18, 0x1, 0x0) 2018/04/09 10:18:08 executing program 4: r0 = syz_open_dev$usbmon(&(0x7f0000000180)='/dev/usbmon#\x00', 0x80, 0x40000) ioctl$sock_inet_tcp_SIOCOUTQ(r0, 0x5411, &(0x7f00000001c0)) r1 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x1, 0x511000) ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r1, 0xc1205531, &(0x7f0000000040)={0x8, 0x8, 0x9e, 0x7, [], [], [], 0x2, 0x7ff, 0x1, 0xb3d, "dc4827f9ea264704bf6b7d5f0420e883"}) shmget$private(0x0, 0xfffffffffeffffff, 0x808, &(0x7f0000ff8000/0x4000)=nil) [ 678.148964] FAULT_INJECTION: forcing a failure. [ 678.148964] name failslab, interval 1, probability 0, space 0, times 0 [ 678.160400] CPU: 0 PID: 17337 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 678.167265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 678.176646] Call Trace: [ 678.179257] dump_stack+0x1b9/0x294 [ 678.182918] ? dump_stack_print_info.cold.2+0x52/0x52 [ 678.188150] should_fail.cold.4+0xa/0x1a [ 678.192234] ? kstrdup_const+0x66/0x80 2018/04/09 10:18:08 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='pids.current\x00', 0x0, 0x0) ioctl$sock_bt_bnep_BNEPCONNDEL(r1, 0x400442c9, &(0x7f0000000040)={0x27}) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f00000000c0)=0x0) fstat(r1, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x2, &(0x7f00000001c0)=[0xffffffffffffffff, 0xffffffffffffffff]) setsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000200)={r2, r3, r4}, 0xc) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 678.196147] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 678.201271] ? kernfs_iop_mkdir+0x159/0x1e0 [ 678.205612] ? do_mkdirat+0x266/0x2f0 [ 678.209439] ? SyS_mkdir+0x22/0x30 [ 678.213007] ? do_syscall_64+0x29e/0x9d0 [ 678.217093] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 678.222489] ? graph_lock+0x170/0x170 [ 678.226322] ? find_held_lock+0x36/0x1c0 [ 678.230430] ? find_held_lock+0x36/0x1c0 [ 678.234530] ? __lock_is_held+0xb5/0x140 [ 678.238641] ? check_same_owner+0x320/0x320 [ 678.242997] ? rcu_note_context_switch+0x710/0x710 2018/04/09 10:18:09 executing program 4: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000384ff7)='/dev/ppp\x00', 0x101002, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000000000)=""/246) ioctl$PPPIOCSFLAGS(r0, 0x40047459, &(0x7f0000cf1ffc)=0x600210) pwritev(r0, &(0x7f0000ed8f70)=[{&(0x7f00007d7f41)='k', 0x1}], 0x1, 0x0) ppoll(&(0x7f0000000100)=[{r0, 0x4}], 0x1, &(0x7f0000000140)={0x77359400}, &(0x7f0000000180)={0x1}, 0x8) ppoll(&(0x7f0000000900)=[{r0}], 0x1, &(0x7f0000000a00), &(0x7f0000001d40), 0x8) [ 678.247953] ? rcu_read_lock_sched_held+0x108/0x120 [ 678.253019] should_failslab+0x124/0x180 [ 678.257125] kmem_cache_alloc+0x2af/0x760 [ 678.261297] ? memcpy+0x45/0x50 [ 678.264609] ? kstrdup+0x59/0x70 [ 678.268017] __kernfs_new_node+0xe7/0x580 [ 678.272203] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 678.276994] ? kasan_check_read+0x11/0x20 [ 678.281168] ? read_word_at_a_time+0x12/0x20 [ 678.285599] ? strscpy+0x170/0x510 [ 678.289159] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 678.294735] kernfs_new_node+0x80/0xf0 2018/04/09 10:18:09 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) ioctl$sock_inet_SIOCRTMSG(r0, 0x890d, &(0x7f00000000c0)={0x0, {0x2, 0x4e21}, {0x2, 0x4e22, @rand_addr=0x9}, {0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, 0x1, 0x7, 0x5, 0x4, 0x8001, &(0x7f0000000040)='gretap0\x00', 0x19, 0xfffffffffffffffc, 0x9}) r2 = syz_open_dev$midi(&(0x7f0000000140)='/dev/midi#\x00', 0x5, 0x80) getsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000240)=@assoc_id=0x0, &(0x7f0000000280)=0x4) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f00000002c0)={r3, 0x7}, 0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000000180)={0x0, 0x1}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@assoc_value={r4, 0x1f}, 0x8) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000000)) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 678.298657] __kernfs_create_file+0x4d/0x330 [ 678.303099] cgroup_addrm_files+0x437/0xaf0 [ 678.307460] ? cgroup_css.part.14+0x1f0/0x1f0 [ 678.311974] ? __getnstimeofday64+0x3a8/0x500 [ 678.316498] ? getrawmonotonic64+0x4e0/0x4e0 [ 678.320938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.326499] ? kernfs_active+0x128/0x1b0 [ 678.330586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.336142] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 678.340660] ? cgroup_file_name+0x1f0/0x1f0 [ 678.345021] css_populate_dir+0x35f/0x420 2018/04/09 10:18:09 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f0000000180)=[{&(0x7f0000a62000)='=', 0x1}], 0x1, 0x0) mremap(&(0x7f0000e9d000/0x3000)=nil, 0x3000, 0x2000, 0x3, &(0x7f0000a9b000/0x2000)=nil) madvise(&(0x7f000092d000/0x400000)=nil, 0x400000, 0x10200000008) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 678.349198] cgroup_mkdir+0x807/0x10d0 [ 678.353121] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 678.357901] ? put_itimerspec64+0x310/0x310 [ 678.362253] ? set_nlink+0xaf/0x140 [ 678.365900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.371463] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 678.377019] ? kernfs_get_active+0xb2/0x120 [ 678.381362] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 678.386144] kernfs_iop_mkdir+0x159/0x1e0 [ 678.390311] ? getname_flags+0xd0/0x5a0 [ 678.394313] vfs_mkdir+0x42e/0x6b0 [ 678.397881] do_mkdirat+0x266/0x2f0 [ 678.401535] ? SyS_mknod+0x40/0x40 [ 678.405102] ? ksys_mount+0xa8/0x140 [ 678.408837] ? do_syscall_64+0xb7/0x9d0 [ 678.412833] SyS_mkdir+0x22/0x30 [ 678.416217] ? SyS_mkdirat+0x30/0x30 [ 678.419946] do_syscall_64+0x29e/0x9d0 [ 678.423845] ? vmalloc_sync_all+0x30/0x30 [ 678.428014] ? _raw_spin_unlock_irq+0x27/0x70 [ 678.432541] ? finish_task_switch+0x1ca/0x820 [ 678.437059] ? syscall_return_slowpath+0x5c0/0x5c0 [ 678.442010] ? syscall_return_slowpath+0x30f/0x5c0 2018/04/09 10:18:09 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) socket$inet_icmp(0x2, 0x2, 0x1) [ 678.446962] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 678.452357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 678.457227] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 678.462451] RIP: 0033:0x455259 [ 678.465648] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 678.473377] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 678.480660] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 678.487943] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/09 10:18:09 executing program 4: r0 = socket$inet_sctp(0x2, 0x1, 0x84) ioctl$KVM_CREATE_DEVICE(0xffffffffffffff9c, 0xc00caee0, &(0x7f0000000300)={0x4, r0, 0x1}) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000380)='IPVS\x00') sendmsg$IPVS_CMD_SET_INFO(r1, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x1c, r2, 0x2, 0x70bd2a, 0x25dfdbfb, {0xe}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x9b}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x11) r3 = fcntl$dupfd(r0, 0x0, r0) ioctl$sock_ipx_SIOCSIFADDR(r3, 0x8916, &(0x7f0000000080)={'sit0\x00', {0x4, 0xe66e, 0x2, "5a7510cf1fc3", 0x1}}) sendto$inet(r0, &(0x7f0000000000)="a9", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0xfffffffffffffffe}, 0x10) recvmmsg(r0, &(0x7f0000002700)=[{{&(0x7f00000001c0)=@llc, 0x80, &(0x7f0000001680), 0x0, &(0x7f0000001700)=""/4096, 0x1000}}], 0x1, 0x0, 0x0) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DAEMON(r3, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000240)={0x58, r4, 0x300, 0x70bd26, 0x25dfdbff, {0xa}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x8}, @IPVS_CMD_ATTR_DAEMON={0x20, 0x3, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e23}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @dev={0xfe, 0x80, [], 0x12}}]}, @IPVS_CMD_ATTR_DAEMON={0x1c, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @multicast2=0xe0000002}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x4}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x4041}, 0x0) listen(r0, 0x5) accept4(r0, 0x0, &(0x7f0000000140)=0x83, 0x0) 2018/04/09 10:18:09 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000080)={0x8, 0xff, 0x1, 0xab}, 0x8) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) [ 678.495232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 678.502521] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000001a [ 678.510146] cgroup: cgroup_addrm_files: failed to add cpu.stat, err=-12 2018/04/09 10:18:10 executing program 7 (fault-call:4 fault-nth:27): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:10 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0xfffffffffffffff9, 0x0, 0x0, 0x0, 0x410, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2f5, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:10 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x101000, 0x0) stat(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getpgid(0x0) sendmsg$netlink(r2, &(0x7f00000025c0)={&(0x7f0000000080)=@kern={0x10, 0x0, 0x0, 0x1004000}, 0xc, &(0x7f0000002540)=[{&(0x7f0000000200)={0x22a4, 0x24, 0x320, 0x70bd25, 0x25dfdbfc, "", [@nested={0x214, 0x22, [@typed={0xc, 0x70, @u64=0x80}, @generic="0b5ab15f499ff51cbbac2ccdcd66aee6d0d2b33e50a4d55aae42dde1babea21f0f2d577ced51212b24186ffa395a00ea1fcab68a37e2b7a0f2aee6d2de873c17eb6c9d53f874c5d50471cef45757d1882e77793c8307d0d4cf83ea4e0ae8370f003041e4e9b52ac14e871d535830d09e0a0154faccc159e2c39ea6e335e427a41c436930395f418d94f5af54064541bb1feece22be23a87631fc9c30650182b62bfaf1c04fb713a84099bfc5bcd46b8c73271fae4b137d8ebb230462d62b9930e460c18b127c488ef99d0d611f6887b0ab04bbded0e3a7e1fc7bf12d23159f6f70c392ce574376c0b1ee34c1847dc81dbc29b1d90c8537ea", @generic="559f170e2c4bf193ec436bc3db5917f9dda8811ee5fda5de9a5459259a136ad9eddc9979b048ef554207bf23b5ee53e152f37b6844b6ccdb40911032056c0ac3df5d93ccdc412eac5cd08192edf9a278c0fc5644d4f7914c339efaef0cff298e6f2933bdd02dcb994e80eea0577cb3154fdfb1381b54a862c15b3e9df08e17c8811f451acf02d2da28ef4fc0df934c18803ad4b5af675dcbe033e7c5a5e88002ea98e6dcf15d1ea89de3c6581b4cd937fbe4c136d99b57f6b75f", @typed={0x8, 0x66, @uid=r3}, @typed={0x14, 0x6c, @ipv6=@dev={0xfe, 0x80, [], 0xe}}, @typed={0x4, 0x70}, @typed={0x8, 0x3, @u32=0x20}, @generic="804200832e3c171942a4e11748c268d601dfd0ee833bd026faabbe35bbd966d0", @typed={0x8, 0x4c, @fd=r0}]}, @nested={0x2078, 0x2d, [@generic="fbdcfecdf958f1bb0c7e161492c757c4e71bd9fc20c2ca60a5dbc3e11ade83743e9a7dfcd93e570728e663a9587d0ea8146211ec05634f502ea8f095d39316abb82cf65bd5d7198da3e10aeaf356494e9a5995d00d82d04749", @typed={0x18, 0x8b, @binary="01dc1f2f399ab95c110ba7f0b38d791ef607"}, 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@typed={0x8, 0x3f, @pid=r4}]}, 0x22a4}, {&(0x7f00000024c0)={0x18, 0x11, 0x300, 0x70bd25, 0x25dfdbff, "", [@typed={0x8, 0x91, @ipv4=@rand_addr=0x47d4}]}, 0x18}, {&(0x7f0000002500)={0x14, 0x31, 0x70a, 0x5d6c4c59, 0x25dfdbfb, "", [@typed={0x4, 0x54}]}, 0x14}], 0x3, &(0x7f0000002580)=[@rights={0x28, 0x1, 0x1, [r0, r1, r1, r0, r0]}], 0x28, 0x1}, 0x20000000) openat$ipvs(0xffffffffffffff9c, &(0x7f0000002640)='/proc/sys/net/ipv4/vs/sloppy_sctp\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r2, 0x6, 0x21, &(0x7f0000002680)="54b92289623ba462f07cf80d4b233816", 0x10) 2018/04/09 10:18:10 executing program 4: r0 = syz_open_dev$tun(&(0x7f0000000280)='/dev/net/tun\x00', 0x0, 0x40) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={"d202b999cf85000000000088f301e710", 0x102}) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000000000)={'vhan0\x00', 0x400}) r1 = syz_open_dev$tun(&(0x7f0000000280)='/dev/net/tun\x00', 0x0, 0x0) r2 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x3, 0x105000) ioctl$sock_SIOCINQ(r2, 0x541b, &(0x7f0000000080)) ioctl$TUNATTACHFILTER(r0, 0x401054d5, &(0x7f0000000180)={0x2, &(0x7f0000000140)=[{0x45, 0x0, 0x40}, {}]}) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={"d202b999cf85000000000088f301e710", 0x102}) r3 = dup2(r0, r1) ioctl$KDADDIO(r3, 0x4b34, 0x5) 2018/04/09 10:18:10 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_persist_mode\x00', 0x2, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r1, 0x40405515, &(0x7f0000000040)={0x5, 0x7, 0x3, 0x3, "5c5ca4c1c923fbe1b00a3943e2a6b22fe500d5ea972ae726a3c81a85355a2f7e338d2e34924eeb9101166d19", 0x5}) 2018/04/09 10:18:10 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:10 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) memfd_create(&(0x7f00000000c0)='lo\x00', 0x2) r2 = openat$cgroup(r0, &(0x7f0000000180)='syz1\x00', 0x200002, 0x0) r3 = openat$cgroup_ro(r2, &(0x7f0000000140)='cpuacct.stat\x00', 0x0, 0x0) ioctl$KVM_SET_IDENTITY_MAP_ADDR(r3, 0x4008ae48, &(0x7f0000000040)=0x1f000) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:10 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000002"], 0x38}, 0x0) 2018/04/09 10:18:10 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 679.619797] FAULT_INJECTION: forcing a failure. [ 679.619797] name failslab, interval 1, probability 0, space 0, times 0 [ 679.634074] CPU: 0 PID: 17408 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 679.640944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 679.650319] Call Trace: [ 679.652945] dump_stack+0x1b9/0x294 [ 679.656604] ? dump_stack_print_info.cold.2+0x52/0x52 [ 679.661841] should_fail.cold.4+0xa/0x1a [ 679.665942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 679.671080] ? kasan_check_write+0x14/0x20 [ 679.675343] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 679.680303] ? kasan_check_write+0x14/0x20 [ 679.684572] ? graph_lock+0x170/0x170 [ 679.688412] ? wait_for_completion+0x870/0x870 [ 679.693037] ? find_held_lock+0x36/0x1c0 [ 679.697142] ? __lock_is_held+0xb5/0x140 [ 679.701245] ? check_same_owner+0x320/0x320 [ 679.705708] ? rcu_note_context_switch+0x710/0x710 [ 679.710680] should_failslab+0x124/0x180 [ 679.714775] kmem_cache_alloc+0x2af/0x760 2018/04/09 10:18:10 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}, 0x0, 0x0, 0x2, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.stat\x00', 0x0, 0x0) bind$nfc_llcp(r0, &(0x7f0000000180)={0x27, 0x1, 0x2, 0x3, 0x8, 0x9, "8cb446cb22be70d469c74d644f0de7bec428b97408df2d41d9b63eef25aa7bd3d261275fb452cd9b8726e60312f8bb245a274b359d18f712de9a9212a14386", 0x8}, 0x2a0) r1 = socket$pppoe(0x18, 0x1, 0x0) r2 = getpgid(0x0) stat(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x1, &(0x7f0000000100)=[0x0]) setsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000280)={r2, r3, r4}, 0xc) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, 'ifb0\x00'}}, 0x1e) ioctl$KVM_ASSIGN_DEV_IRQ(r0, 0x4040ae70, &(0x7f00000002c0)={0x6, 0x9, 0x4, 0x2}) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000140)) sendmsg$netrom(r1, &(0x7f0000000300)={&(0x7f0000001880)=@ax25={0x3, {"72962c03d1c3c3"}, 0x74f4}, 0x10, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) ioctl$KVM_ASSIGN_SET_INTX_MASK(r0, 0x4040aea4, &(0x7f0000000000)={0x7, 0x0, 0x9, 0x1, 0x9}) ioctl$KVM_CREATE_IRQCHIP(r0, 0xae60) [ 679.718954] ? __lock_is_held+0xb5/0x140 [ 679.723048] sched_create_group+0x22/0x70 [ 679.727217] cpu_cgroup_css_alloc+0xe/0x30 [ 679.731480] cgroup_apply_control_enable+0x52d/0xce0 [ 679.736631] ? cgroup_propagate_control+0x5a0/0x5a0 [ 679.741774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.747338] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 679.751866] ? cgroup_file_name+0x1f0/0x1f0 [ 679.756235] ? css_populate_dir+0x2a2/0x420 [ 679.760597] cgroup_mkdir+0x825/0x10d0 [ 679.764545] ? cgroup_destroy_locked+0x7c0/0x7c0 2018/04/09 10:18:10 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000100000000"], 0x38}, 0x0) [ 679.769340] ? put_itimerspec64+0x310/0x310 [ 679.773699] ? set_nlink+0xaf/0x140 [ 679.777361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.782935] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 679.788502] ? kernfs_get_active+0xb2/0x120 [ 679.792858] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 679.797647] kernfs_iop_mkdir+0x159/0x1e0 [ 679.801815] ? getname_flags+0xd0/0x5a0 [ 679.805824] vfs_mkdir+0x42e/0x6b0 [ 679.809392] do_mkdirat+0x266/0x2f0 [ 679.813050] ? SyS_mknod+0x40/0x40 2018/04/09 10:18:10 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000040)={0x18, 0x0, {0x0, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r0) 2018/04/09 10:18:10 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) 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(r0, 0x2286, &(0x7f0000c95ffe)) [ 679.816619] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 679.821500] ? do_syscall_64+0xb7/0x9d0 [ 679.825503] SyS_mkdir+0x22/0x30 [ 679.828879] ? SyS_mkdirat+0x30/0x30 [ 679.832610] do_syscall_64+0x29e/0x9d0 [ 679.836517] ? vmalloc_sync_all+0x30/0x30 [ 679.840682] ? _raw_spin_unlock_irq+0x27/0x70 [ 679.845202] ? finish_task_switch+0x1ca/0x820 [ 679.849727] ? syscall_return_slowpath+0x5c0/0x5c0 [ 679.854695] ? syscall_return_slowpath+0x30f/0x5c0 [ 679.859692] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 679.865090] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/04/09 10:18:10 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000200000000"], 0x38}, 0x0) [ 679.869965] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 679.875172] RIP: 0033:0x455259 [ 679.878382] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 679.886118] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 679.893407] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 679.900696] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 679.908256] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 2018/04/09 10:18:10 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) ioctl$EVIOCSKEYCODE(0xffffffffffffffff, 0x40084504, &(0x7f0000000140)=[0x1, 0x2]) r1 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x22000) accept4$inet(r1, &(0x7f00000000c0)={0x0, 0x0, @rand_addr}, &(0x7f0000000100)=0x10, 0x800) syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0xfffffffffffffe00, 0x1) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) ioctl$DRM_IOCTL_FREE_BUFS(r1, 0x4010641a, &(0x7f00000001c0)={0x8, &(0x7f0000000180)=[0xa38, 0x8, 0x0, 0x401, 0x9, 0x800, 0x3, 0x1]}) [ 679.915549] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000001b 2018/04/09 10:18:10 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:10 executing program 7 (fault-call:4 fault-nth:28): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:10 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:10 executing program 6: openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x80800, 0x0) r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f00000000c0), 0x4) 2018/04/09 10:18:10 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='cpuacct.usage_all\x00', 0x0, 0x0) write$binfmt_aout(r0, &(0x7f00000001c0)={{0x107, 0x6, 0x0, 0x182, 0x26, 0x1, 0x72, 0x6}, "04f59961e22b09a2282d3e4d123941c4ce2555cbb5b34eb5807e1d64f99f8e402665740dd456162b312d14b5de1f177d7b057780849642f6cf", [[], [], [], [], [], [], []]}, 0x759) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r2, r2, &(0x7f0000000100), 0x3) 2018/04/09 10:18:10 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) ioctl$EVIOCSABS2F(r1, 0x401845ef, &(0x7f0000000040)={0x80000001, 0x9, 0x100, 0x8, 0x0, 0x6}) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:10 executing program 1: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) getsockopt$IPT_SO_GET_INFO(r0, 0x0, 0x40, &(0x7f0000000140)={'raw\x00'}, &(0x7f00000001c0)=0x54) setsockopt$IP_VS_SO_SET_FLUSH(r0, 0x0, 0x485, 0x0, 0x0) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) getsockopt$inet_mreqsrc(r0, 0x0, 0x2f, &(0x7f00000000c0)={@remote, @multicast1, @multicast2}, &(0x7f0000000100)=0xc) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f00000000c0)) ioctl$TIOCCBRK(r1, 0x5428) 2018/04/09 10:18:10 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000004"], 0x38}, 0x0) 2018/04/09 10:18:10 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000013000/0x18000)=nil, &(0x7f0000000180)=[@text64={0x40, &(0x7f0000000040)="440f20c0350e000000440f22c0260f013ab805000000b9078000000f01d9b9321001c0b802000000ba000000000f30c744240000f0d9e8c744240204000000c7442406000000000f011424c4227d0ff70f353e660f38814d0ac4e27d8c07668ec5", 0x61}], 0x1, 0x804d, &(0x7f0000000240), 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 680.141690] FAULT_INJECTION: forcing a failure. [ 680.141690] name failslab, interval 1, probability 0, space 0, times 0 [ 680.153099] CPU: 0 PID: 17469 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 680.159966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 680.169344] Call Trace: [ 680.171969] dump_stack+0x1b9/0x294 [ 680.175637] ? dump_stack_print_info.cold.2+0x52/0x52 [ 680.180876] should_fail.cold.4+0xa/0x1a [ 680.184968] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 680.190184] ? kasan_check_write+0x14/0x20 [ 680.194434] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 680.199361] ? kasan_check_write+0x14/0x20 [ 680.203593] ? graph_lock+0x170/0x170 [ 680.207389] ? wait_for_completion+0x870/0x870 [ 680.211973] ? find_held_lock+0x36/0x1c0 [ 680.216469] ? __lock_is_held+0xb5/0x140 [ 680.220540] ? check_same_owner+0x320/0x320 [ 680.224859] ? rcu_note_context_switch+0x710/0x710 [ 680.229806] should_failslab+0x124/0x180 [ 680.233873] kmem_cache_alloc+0x2af/0x760 [ 680.238059] ? __lock_is_held+0xb5/0x140 [ 680.242127] sched_create_group+0x22/0x70 [ 680.246289] cpu_cgroup_css_alloc+0xe/0x30 [ 680.250607] cgroup_apply_control_enable+0x52d/0xce0 [ 680.255716] ? cgroup_propagate_control+0x5a0/0x5a0 [ 680.260736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.266268] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 680.270756] ? cgroup_file_name+0x1f0/0x1f0 [ 680.275084] ? css_populate_dir+0x2a2/0x420 [ 680.279410] cgroup_mkdir+0x825/0x10d0 [ 680.283302] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 680.288062] ? put_itimerspec64+0x310/0x310 [ 680.292385] ? set_nlink+0xaf/0x140 [ 680.296012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.301554] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 680.307085] ? kernfs_get_active+0xb2/0x120 [ 680.311416] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 680.316170] kernfs_iop_mkdir+0x159/0x1e0 [ 680.320311] ? getname_flags+0xd0/0x5a0 [ 680.324282] vfs_mkdir+0x42e/0x6b0 [ 680.327821] do_mkdirat+0x266/0x2f0 [ 680.332315] ? SyS_mknod+0x40/0x40 [ 680.335851] ? ksys_mount+0xa8/0x140 [ 680.339561] ? do_syscall_64+0xb7/0x9d0 [ 680.343531] SyS_mkdir+0x22/0x30 [ 680.346891] ? SyS_mkdirat+0x30/0x30 [ 680.350598] do_syscall_64+0x29e/0x9d0 [ 680.354476] ? vmalloc_sync_all+0x30/0x30 [ 680.358617] ? _raw_spin_unlock_irq+0x27/0x70 [ 680.363108] ? finish_task_switch+0x1ca/0x820 [ 680.367599] ? syscall_return_slowpath+0x5c0/0x5c0 [ 680.372529] ? syscall_return_slowpath+0x30f/0x5c0 [ 680.377457] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 680.382820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 680.387664] entry_SYSCALL_64_after_hwframe+0x42/0xb7 2018/04/09 10:18:11 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) r1 = syz_open_dev$midi(&(0x7f0000000140)='/dev/midi#\x00', 0x6, 0x185001) ioctl$TCSBRKP(r1, 0x5425, 0x3ff) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x8000, 0x0) getsockopt$netrom_NETROM_T2(r2, 0x103, 0x2, &(0x7f0000000040)=0x6, &(0x7f00000000c0)=0x4) [ 680.392849] RIP: 0033:0x455259 [ 680.396033] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 680.403746] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 680.411011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 680.418280] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 680.425555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 680.432818] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000001c 2018/04/09 10:18:11 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0xec0, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:11 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:11 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) r2 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sync_file_range(r2, 0x7, 0x1ff, 0x5) getsockopt$inet_sctp6_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f0000000080)={0x0, 0x6000, 0x6, 0x5, 0xffff, 0xdca7, 0x80000001, 0x8, {0x0, @in={{0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}}, 0x21, 0x8, 0x8000, 0x80000001, 0x73}}, &(0x7f0000000140)=0xb0) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r0, 0x84, 0x78, &(0x7f0000000180)=r3, 0x4) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:11 executing program 6: timerfd_create(0x7, 0x800) r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) 2018/04/09 10:18:11 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0xfffffdef, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:11 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:11 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000001000000"], 0x38}, 0x0) 2018/04/09 10:18:11 executing program 7 (fault-call:4 fault-nth:29): 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) 2018/04/09 10:18:11 executing program 5: r0 = 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, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) setns(r0, 0x40000000) sendmsg$netrom(r1, &(0x7f00000000c0)={&(0x7f0000001880)=@ax25={0x3, {"7e59be74ad73aa"}, 0x8}, 0x10, &(0x7f0000000040)=[{&(0x7f0000000000)="313c283fd5caded486bda218ab1618fd17ed2558fbb2f79832453428c78a8038c804c1dd019d3be6", 0x28}], 0x1, &(0x7f0000000180)}, 0x0) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x0, 0x0) getsockopt$ax25_int(r2, 0x101, 0x0, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/04/09 10:18:11 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) msgget$private(0x0, 0x100) r1 = open(&(0x7f0000000240)='./file0\x00', 0x400002, 0x0) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000280), &(0x7f00000002c0)=0x4) r2 = openat$cgroup_ro(r0, &(0x7f0000000080)='cpuset.effective_mems\x00', 0x0, 0x0) ioctl$EVIOCGPHYS(r2, 0x80404507, &(0x7f0000000180)=""/29) ioctl$BINDER_THREAD_EXIT(r2, 0x40046208, 0x0) ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000000c0)) ioctl$KVM_SET_CPUID(r2, 0x4008ae8a, &(0x7f0000000100)={0x5, 0x0, [{0x8000000f, 0x0, 0x7f, 0x10000, 0x7ff}, {0x80000007, 0x3f, 0x10001, 0x781, 0x200}, {0xc0000001, 0x5, 0x8000, 0x10001, 0x10000}, {0xf, 0xd, 0x7, 0x9b}, {0x80000007, 0xf8b, 0x8001, 0x400, 0x4}]}) 2018/04/09 10:18:11 executing program 1: r0 = creat(&(0x7f00000001c0)='./file0\x00', 0x0) ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f0000000300)=0x0) getresuid(&(0x7f0000000340), &(0x7f0000000380)=0x0, &(0x7f00000003c0)) lstat(&(0x7f0000000400)='./file0\x00', &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getpgrp(0xffffffffffffffff) r5 = getuid() r6 = getegid() sendmsg$netlink(r0, &(0x7f0000000500)={&(0x7f0000000200)=@proc={0x10, 0x0, 0x25dfdbfb, 0x100}, 0xc, &(0x7f00000002c0)=[{&(0x7f0000000280)={0x24, 0x29, 0x400, 0x70bd26, 0x25dfdbfe, "", [@typed={0x14, 0x36, @str='lo#-mime_type\x00'}]}, 0x24}], 0x1, &(0x7f00000004c0)=[@cred={0x20, 0x1, 0x2, r1, r2, r3}, @cred={0x20, 0x1, 0x2, r4, r5, r6}], 0x40, 0x81}, 0x40000) r7 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x101000, 0x0) ioctl$LOOP_GET_STATUS(r7, 0x4c03, &(0x7f00000000c0)) setsockopt$inet_sctp6_SCTP_INITMSG(r7, 0x84, 0x2, &(0x7f0000000180)={0x1f, 0x7, 0x4, 0x80000001}, 0x8) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) sendmmsg(r0, &(0x7f0000000e40)=[{{&(0x7f0000000540)=@sco={0x1f, {0xfffffffffffffffd, 0x1, 0xfffffffffffffff9, 0x96, 0x81, 0x3}}, 0x80, &(0x7f0000000ac0)=[{&(0x7f00000005c0)="b1fc3e", 0x3}, {&(0x7f0000000600)="fabe038586f0973e37e2e43279d6b15f07b7e60e4ee3904d", 0x18}, {&(0x7f0000000640)="d44032aa01a9c4a18ec88637104397b47c0255006eca88cb881c8ea977fc5b64eba6d936df9d6a991d02359c61f658979dd29f37b91658fd50ee08af73b60ede7b952b8f83d47849a38e7171695dca06694b054bea54459b84907293894695e211f697a61503fcebe5cde9767a58cb593cb7faf84181598b71e452c0c7fec3f89ffb0033e8085a1e47f630674ea07b82696aad072257c4062960ed3538a82691e187f4b57fea9e204938c75e903ebdba3861cf1cd053dcb0d8c1418eff54591cfab787bce5f942279791ab9bb396c8e32c45f55b5daf74b319ae64d180d760f7ecbfc6667e42a513e0794c87e539b12f945c21e01ae0855e4d", 0xf9}, {&(0x7f0000000740)="d2ba082e15514a1f797f7ddf42e839c0a29bfbcbe71f7d92dc243923a7cd5fe91f744b8ae73eb549a3172bf812066b3894f5925312336701525d462ec7765de28c6839cb7f6c20502a7ee1fef617e2364b5653d5748fbc424ff5f4e2e76529fa5202d3687dd4335fd33ab6d2cab561f54c1d1258975f45115526a8d22f376e170d3ed5befdf0362aa2023f547a1f562b1ffe3fc87657ef00169a11d2c9a194b73fc49846f6fca182e5dd5fb7", 0xac}, {&(0x7f0000000800)="0d7117d7e4c3037ecfa683dc85f016a137ba8f53de759ce817dda02eaa600e1b5cf8e99618c41b8669aa12f702cee7595fd336c4090408d73c6b563f6b255a3213679f43d1e53311ffdd070e9d8add62f5948ff59f717c07d152e637b7112c099bad548b255cf81c8149eac5707ec87b4c004552084b307e69b2b0f6f53044d7fb4fa456b37e3ec707369c48584b59687fa838a07f1857c330a6516b5705324dfd4d", 0xa2}, {&(0x7f00000008c0)="a01bafb2e6f601898698e40466c5c698424da9b4c26744f9ba9671b0eb610a969a88e47f2a34ce9dc2825be7430b6d487976433d387bf0f29141ef316c0a7803966c5ccf906de3b95b3da56927069ed60c1d430c827e83eb125b76571206219d8f9faf4201ed6c3922fb3b5014a1fa5d6dc6d5fa1676bc87d971d6e38bad35e71f37b154e30f1e218835d1f36d1cc0e75a106416869c921b512015dd8ac721d6408c6e7285448dad03714fbb1f489f486a62c7bb06b45cf2acbed316295324ceb359aaddd6ee223a1368e9", 0xcb}, {&(0x7f00000009c0)="29ada9e44256afa33e2ee30798155a27e7b3db1aeb777673c510606ba84af23bcccf7cb7aa6afe8d6db5dfed6c2bd2b5068d7151aeadb3e511c031f0b552ecf9cf0882fab56cfad16076", 0x4a}, {&(0x7f0000000a40)="c9801ec50861c263296d27479e8b7d1d6163d09a0bd5562081c699c9cd4bfa96d589c61fd800ff9c8baaaa3e8ad9372158b84d13f973b2cf16d97c20bbecc4b75155879f725cf2ab81ac004ed17478cdfac09f526508f5050c74e3a2d427230cecb19d4660bf0db505", 0x69}], 0x8, &(0x7f0000000b40)=[{0x100, 0x10b, 0x7ff, "0aa61c28e87e85125e760355281e8d1bffafd06753179d36a4ee1bc2aa95c98cba1c36890ff56a21ed64c3135c2d3720830c6ee196618a91e2e3c25f0bd1b9a703434f42c1bb771dcc9a228446e733c0c56d00c9bf59b63531b1eef1752d5dacbddf23c3b4e1c9047b85c5db5d59da0fa161ebbc6adb957c5369cbce206644fc2de3ceb67f05cb4978421dbfed9a4e5b2edef2d1ee44bc25e6fd3145cd1e0a5b690d94a7d6d9f79481ae61385e1f3e6188d55f48ced06616a345ef3d086e58788018f34fdb518ff5303c53a5b59a8dc513cd7fc8bf732244735c9c56bb4d660b9e3f54366e6893ca2e0e3e"}, {0x108, 0x11f, 0x85, "a9b3a93883f9425e96fc5e2da5493a154f739b827702ebb955613e6e9c1b6c7c2ebc63281cf3dde9d29b8849006473d5b0b6661b5acc798afd61a444e9a01427fd27948e4ae168f80c1d126b54baa6eab806a0c63af4a325d1d999a5026c15f262a71b1bd5d1164f5cecd28752c7cc7b3c4f33ec4a4d9648f86f7708edd580fba6f9227a0328a6c31f388728113de2f7748b13af868dac8d6d28055ce12c0b091747f7407134a1752c739f2c7f138c6cb4d1e67555850a1b9ce958002af953742aefba19333f5ed63b8646041070c2f30ffcc9ca2fc5a634ed12c1e5e68e409f84a30fbfc83a799a1fe9a1ad3cdcba1cc4ae296fc8"}, {0x68, 0x11f, 0xff, "6c636b08bf2f2ef4cda9b346c32ea481e86f3380855d974e0fc3256b98507f0c744225f6c0f1a20cef8baf0ea9c9f32bbb47135543c104c53ab8ab6c27ceaf1b5e2485b0319a3e5b88bc354a9370fc7464a9816c73"}, {0x78, 0x105, 0x0, "dc21abe4380fa85795347f7da6cbeb3d252eec9391c0a214716145c80a5023d35d8bb31a5cdbcb0031ad32c77d2ee8e5bf084eb01b6aeb7148b3b11b8e56ffc94f67048bf5a07e6572f23dd70d64403af4fb2c61a4511b7088b9c9618ec599183aebe4"}], 0x2e8, 0x800}, 0x4545}], 0x1, 0x4000000) r8 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r8, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r8, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:11 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000002000000"], 0x38}, 0x0) 2018/04/09 10:18:11 executing program 4: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) getpgrp(0x0) memfd_create(&(0x7f0000000080)='em1\x00', 0x2) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000200)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) sigaltstack(&(0x7f0000013000/0x1000)=nil, &(0x7f00000000c0)) msgctl$IPC_SET(0x0, 0x1, &(0x7f0000258f88)) msgsnd(0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="030000000000007ee96fc0edcb1ad5f7fa370f00"], 0x0, 0x0) msgctl$IPC_SET(0x0, 0x1, &(0x7f0000000240)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}) ioctl$UFFDIO_WAKE(r0, 0x8010aa02, &(0x7f0000000b40)={&(0x7f0000011000/0x4000)=nil, 0x4000}) io_setup(0x1000, &(0x7f0000000040)) io_submit(0x0, 0x0, &(0x7f0000000000)) ioctl$sock_SIOCINQ(0xffffffffffffffff, 0x541b, &(0x7f0000000000)) 2018/04/09 10:18:11 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) shmget(0x2, 0x3000, 0x10, &(0x7f0000ffd000/0x3000)=nil) socketpair(0xb, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) write$binfmt_script(r1, &(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x110) ioctl$TCGETA(r1, 0x5405, &(0x7f0000000040)) getpeername$packet(r1, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000140)=0x14) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2040000}, 0xc, &(0x7f0000000340)={&(0x7f0000000180)=ANY=[@ANYBLOB="4c000000190000032abd7000ffdbdf25801004ab00ac14141808000700e000f900080004000000000000000000000000", @ANYRES32=r2, @ANYBLOB="08000b000500000008000200e00000010800020000000000"], 0x4c}, 0x1, 0x0, 0x0, 0x24044040}, 0x11) getuid() 2018/04/09 10:18:11 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x20001014, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 680.836548] FAULT_INJECTION: forcing a failure. [ 680.836548] name failslab, interval 1, probability 0, space 0, times 0 [ 680.847964] CPU: 0 PID: 17532 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 680.854833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 680.864209] Call Trace: [ 680.866836] dump_stack+0x1b9/0x294 [ 680.870504] ? dump_stack_print_info.cold.2+0x52/0x52 [ 680.875729] ? __save_stack_trace+0x7e/0xd0 [ 680.880090] should_fail.cold.4+0xa/0x1a [ 680.884186] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 680.889320] ? kasan_kmalloc+0xc4/0xe0 [ 680.893240] ? __kmalloc+0x14e/0x760 [ 680.896980] ? kzalloc+0xf/0x20 [ 680.900291] ? alloc_fair_sched_group+0x5e/0x510 [ 680.905075] ? sched_create_group+0x35/0x70 [ 680.909432] ? graph_lock+0x170/0x170 [ 680.913265] ? vfs_mkdir+0x42e/0x6b0 [ 680.917000] ? do_mkdirat+0x266/0x2f0 [ 680.920826] ? SyS_mkdir+0x22/0x30 [ 680.924393] ? do_syscall_64+0x29e/0x9d0 [ 680.928493] ? find_held_lock+0x36/0x1c0 [ 680.932606] ? __lock_is_held+0xb5/0x140 [ 680.936725] ? check_same_owner+0x320/0x320 [ 680.941082] ? rcu_note_context_switch+0x710/0x710 [ 680.946057] should_failslab+0x124/0x180 [ 680.950154] __kmalloc+0x2c8/0x760 [ 680.953735] ? kzalloc+0xf/0x20 [ 680.957050] kzalloc+0xf/0x20 [ 680.960185] alloc_fair_sched_group+0xd6/0x510 [ 680.964837] sched_create_group+0x35/0x70 [ 680.969012] cpu_cgroup_css_alloc+0xe/0x30 [ 680.973284] cgroup_apply_control_enable+0x52d/0xce0 [ 680.978444] ? cgroup_propagate_control+0x5a0/0x5a0 2018/04/09 10:18:11 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x33fe0, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:11 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000080)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:11 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = semget(0x3, 0x2, 0x80) semctl$GETALL(r0, 0x0, 0xd, &(0x7f00000002c0)=""/135) r1 = socket$pppoe(0x18, 0x1, 0x0) io_setup(0xa31, &(0x7f0000000280)=0x0) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) accept$alg(r3, 0x0, 0x0) io_cancel(r2, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0xa, 0x7, r1, &(0x7f0000000140)="762cb09fd8afc1cdffd680f467a58d4647de8875c11b069cdbc136c647bad551eac5dce8fbc258991b225ccc24c5b5494b2cc9707787cfd02f655ce8a0876a9b81d18d9060c9114d58638a7176cbd8eef721820d906eae9cd143644eb2d9e06ffc", 0x61, 0xe3, 0x0, 0x1, r4}, &(0x7f00000001c0)) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$FUSE_DEV_IOC_CLONE(r4, 0x8004e500, &(0x7f0000000200)=r3) syz_mount_image$ext4(&(0x7f0000000380)='ext3\x00', &(0x7f00000003c0)='./file0\x00', 0x8000, 0x2, &(0x7f00000005c0)=[{&(0x7f0000000400)="abf26bc663c780596a859cfa1d6424d30820937958dd7aed97658ce1f0aefc5658f1a31b5fbbc928aabe770661063bf7e848f7defb1906fffb82da9346a6082cf274a74a706606e360f5bd8fd494d52e788a5cedbd6ba12440f1c0ccec1a0b54a80f87dc5568d120d0ebf892f105184fdfc4a95bcc475d0fa27cda17d79c382963fb93cfb5f5524475b8fd6d7bfcff924dee7111beb5ae15704c93110ca637b225f8c340b2ad7a3b7a799693e7af7fba99eed1", 0xb3, 0x4}, {&(0x7f00000004c0)="45be1cba5b45e8c3cab8ecb25dce04493a178f23c6ca7f6cf43717bb96ba777d968979e67d9e8b76495c8c6a5637ce18533611aa2cd046b18040e341417a77946efdb7ec9537663b5ec238ea31e01b9f7c6746739bff05d347df3323fe217755fff7115c3e977f28479dbec9826af178c24eafbac95f70b1dcab1f9c3a15ddcf3354f2362a347750ffb4656b104cb4c083cfdb3886dc7f5911553039c3326361978c2485f8316c81afc86c634d355564522f1c77f1fef3242fb0723d6f3b46f4fea446d6fa558a23544f3bf56b541eeba6991d9d7e9754dd5a00ed488f23e8764f60b5456be8496d78", 0xe9}], 0x1000400, &(0x7f0000000600)={[{@max_dir_size_kb={'max_dir_size_kb', 0x3d, [0x38, 0x36, 0x37, 0x3f, 0x37]}, 0x2c}, {@test_dummy_encryption='test_dummy_encryption', 0x2c}, {@minixdf='minixdf', 0x2c}]}) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) getsockopt$sock_linger(r3, 0x1, 0xd, &(0x7f0000000000), &(0x7f0000000240)=0x8) sendmsg$netrom(r1, &(0x7f00000017c0)={&(0x7f0000001740)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x48, &(0x7f0000001640)=[{&(0x7f0000001900)="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", 0x1000}, {&(0x7f0000001200)="b06f90d38dc20f1a3f09cb92f824c436bb320213d2e51db6ed334a186717a27bbe48922058dc183625336231df686d9c3de9b8086b8fbb1d01abf84181674586f2c5060e7d93c87d8743bc9a5e1380ce01e19b219c23e9d909dc25af83ae87991ca5a46706290a36916faee86db7303b1e975ce4a824b458fa707d61280bde911ffa9643ab25708ab4181b64f5f649569e98342ba5d2f3ea0e0fbf722d5d39d609265e220911b0a8eb1b89aa97b04bd7572173446c7d954a23a4aa4260998b021516d1f3a8288a969be7c0ce750536da3ef7c09913aafe8e", 0xfffffe40}, {&(0x7f0000001300)="e84c9f3f2d7c82c68cb4a26791328db92fb057b53bb457e0eba4061d194181a30d4f9a18a2ccaa29d4515d59620de463f3a8951b504f80e4f0d1e22e2b2c54135a4137eb20834418a0f5418877e78ee1a20fc3634bd0dfcbdf1193437fc8ac160106a355", 0x64}, {&(0x7f0000001380)="dac9a92caf4997866664820a267e5b8ce8246fa44fca2f", 0x17}, {&(0x7f00000013c0)="17c168795d54b5087aad98c0c8d3821383db642eeff761ada6a67467099083999006c3f0f5cb32738f861777e0428a5d2d16ad2d17821bdbb5e58bcebdcbb39a40c2948959a71447035df98c2f117e73e7b58c1cf6314e84836953e0a9158ca787262edc6ba2b4b0296406e9c36c2afa16b11fed79e62ab38e73757c3da7823e92069d281ec387fd2faf6b8940421acd045dcdb04ccfb25251517309d394bed0690fd849a2d8a7b9f8ed98d6236a70886c60eec1fe9029648384f657f2536b0c8e08325f8cb62cdcfd3e8b4081c12be068a1d210", 0xd4}, {&(0x7f00000014c0)="3e57532c200fb7d360a339836dc47d787d98eb2964000056715018fbfe7042eb7a0880b2f554dc9d", 0x28}, {&(0x7f0000001500)="ee9bbd5768570bfc78f8fd665ee46f139faab98c3e930fe70a8e807edd7ec1b55e9c437cd06ab5aa40c6ff507f3fb5b6fbc1e62b5d92081b2c98", 0x3a}, {&(0x7f0000002900)="33fe4435566e9715729e75e0e2c4621e973a53f657da20a70924a9f6e225f91d75081a5b9996393aa3904df328ea6f7cebdfa7fc567094e60da6c04b0c0d0d2a9d1b679b7877d92acb0b05244ad11f9bedc85c9a59f6fb9472746120325a543e7c2a50298d768b2be922d8d9b1735a84b97c80da5a14a688957a2fc92d3c59166b6e8d1432aec0884d00a54035762d1fe189ee52cc5d7e379666f5239d9652363e0f768fc9b4", 0xa6}, {&(0x7f0000001600)="3d5baa05e4e8cf87a1ea6019d274d42eb9", 0x11}], 0x9, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:11 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000400000000"], 0x38}, 0x0) [ 680.983505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.989075] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 680.993609] ? cgroup_file_name+0x1f0/0x1f0 [ 680.997974] ? css_populate_dir+0x2a2/0x420 [ 681.002331] cgroup_mkdir+0x825/0x10d0 [ 681.006269] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 681.011058] ? put_itimerspec64+0x310/0x310 [ 681.015410] ? set_nlink+0xaf/0x140 [ 681.019070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.024641] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 681.030208] ? kernfs_get_active+0xb2/0x120 [ 681.034565] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 681.039352] kernfs_iop_mkdir+0x159/0x1e0 [ 681.043522] ? getname_flags+0xd0/0x5a0 [ 681.047525] vfs_mkdir+0x42e/0x6b0 [ 681.051097] do_mkdirat+0x266/0x2f0 [ 681.054761] ? SyS_mknod+0x40/0x40 [ 681.058327] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 681.063196] ? do_syscall_64+0xb7/0x9d0 [ 681.067190] SyS_mkdir+0x22/0x30 [ 681.070572] ? SyS_mkdirat+0x30/0x30 [ 681.074303] do_syscall_64+0x29e/0x9d0 [ 681.078204] ? vmalloc_sync_all+0x30/0x30 [ 681.082376] ? _raw_spin_unlock_irq+0x27/0x70 2018/04/09 10:18:11 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000004000000000000"], 0x38}, 0x0) 2018/04/09 10:18:11 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f00000000c0)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) [ 681.086891] ? finish_task_switch+0x1ca/0x820 [ 681.091409] ? syscall_return_slowpath+0x5c0/0x5c0 [ 681.096397] ? syscall_return_slowpath+0x30f/0x5c0 [ 681.101358] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 681.106765] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 681.111643] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 681.116856] RIP: 0033:0x455259 [ 681.120054] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 681.127795] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 2018/04/09 10:18:11 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0xc386, 0x8000) setsockopt$inet_udp_int(r1, 0x11, 0x65, &(0x7f0000000040)=0x6, 0x4) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) [ 681.135088] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 681.142382] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 681.149725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 681.157020] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000001d 2018/04/09 10:18:12 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000002000000000000"], 0x38}, 0x0) [ 681.670189] FAULT_FLAG_ALLOW_RETRY missing 30 [ 681.674822] CPU: 1 PID: 17535 Comm: syz-executor4 Not tainted 4.16.0+ #4 [ 681.681665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 681.691014] Call Trace: [ 681.693594] dump_stack+0x1b9/0x294 [ 681.697218] ? dump_stack_print_info.cold.2+0x52/0x52 [ 681.702404] ? kasan_check_write+0x14/0x20 [ 681.706645] ? do_raw_spin_lock+0xc1/0x200 [ 681.710884] handle_userfault.cold.32+0x44/0x57 [ 681.715547] ? handle_userfault+0x16c6/0x2760 [ 681.720051] ? userfaultfd_ioctl+0x4d10/0x4d10 [ 681.724641] ? debug_check_no_locks_freed+0x310/0x310 [ 681.729835] ? find_held_lock+0x36/0x1c0 [ 681.733890] ? print_usage_bug+0xc0/0xc0 [ 681.737939] ? print_usage_bug+0xc0/0xc0 [ 681.742000] ? perf_trace_lock_acquire+0xe3/0x980 [ 681.746838] ? __lock_acquire+0x7f5/0x5130 [ 681.751057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.756579] ? graph_lock+0x170/0x170 [ 681.760380] ? debug_check_no_locks_freed+0x310/0x310 [ 681.765559] ? find_held_lock+0x36/0x1c0 [ 681.769613] ? lock_downgrade+0x8e0/0x8e0 [ 681.773764] ? kasan_check_read+0x11/0x20 [ 681.777895] ? do_raw_spin_unlock+0x9e/0x2e0 [ 681.782296] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 681.786869] ? kasan_check_write+0x14/0x20 [ 681.791094] ? do_raw_spin_lock+0xc1/0x200 [ 681.795323] __handle_mm_fault+0x34be/0x4150 [ 681.799722] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 681.804466] ? graph_lock+0x170/0x170 [ 681.808251] ? find_held_lock+0x36/0x1c0 [ 681.812298] ? lock_downgrade+0x8e0/0x8e0 [ 681.816432] ? handle_mm_fault+0x8c0/0xc70 [ 681.820662] handle_mm_fault+0x53a/0xc70 [ 681.824710] ? __handle_mm_fault+0x4150/0x4150 [ 681.829286] ? find_vma+0x34/0x190 [ 681.832821] __do_page_fault+0x60b/0xe40 [ 681.836869] ? mm_fault_error+0x380/0x380 [ 681.841005] ? graph_lock+0x170/0x170 [ 681.844799] do_page_fault+0xee/0x8a7 [ 681.848582] ? vmalloc_sync_all+0x30/0x30 [ 681.852716] ? find_held_lock+0x36/0x1c0 [ 681.856778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 681.861608] page_fault+0x25/0x50 [ 681.865047] RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 [ 681.870661] RSP: 0018:ffff8801b4aefce8 EFLAGS: 00010206 [ 681.876013] RAX: ffffed003695dfae RBX: 0000000000000018 RCX: 0000000000000003 [ 681.883274] RDX: 0000000000000000 RSI: 0000000020013000 RDI: ffff8801b4aefd58 [ 681.890527] RBP: ffff8801b4aefd20 R08: ffffed003695dfae R09: ffffed003695dfab [ 681.897781] R10: ffffed003695dfad R11: ffff8801b4aefd6f R12: 0000000020013018 [ 681.905042] R13: 0000000020013000 R14: ffff8801b4aefd58 R15: 00007ffffffff000 [ 681.912407] ? _copy_from_user+0x10d/0x150 [ 681.916635] SyS_sigaltstack+0xae/0x320 [ 681.920596] ? do_sigaction+0xa50/0xa50 [ 681.924556] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 681.930216] ? fput+0x130/0x1a0 [ 681.933482] ? ksys_ioctl+0x81/0xd0 [ 681.937104] ? do_syscall_64+0xb7/0x9d0 [ 681.941076] ? do_sigaction+0xa50/0xa50 [ 681.945044] do_syscall_64+0x29e/0x9d0 [ 681.948927] ? vmalloc_sync_all+0x30/0x30 [ 681.953061] ? _raw_spin_unlock_irq+0x27/0x70 [ 681.957542] ? finish_task_switch+0x1ca/0x820 [ 681.962031] ? syscall_return_slowpath+0x5c0/0x5c0 [ 681.966949] ? syscall_return_slowpath+0x30f/0x5c0 [ 681.971864] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 681.977215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 681.982055] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 681.987227] RIP: 0033:0x455259 [ 681.990413] RSP: 002b:00007f956467ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000083 [ 681.998125] RAX: ffffffffffffffda RBX: 00007f956467b6d4 RCX: 0000000000455259 [ 682.005381] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000020013000 [ 682.012640] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 682.019905] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 682.027157] R13: 0000000000000609 R14: 00000000006fc178 R15: 0000000000000000 2018/04/09 10:18:12 executing program 7 (fault-call:4 fault-nth:30): 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) 2018/04/09 10:18:12 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000040)={0x0, 0x0, 0x10000, 0x401}, &(0x7f0000000080)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000100)={r2, @in6={{0xa, 0x4e22, 0x5fc, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x20}}, 0x0, 0x9}, 0x90) write$evdev(r0, &(0x7f0000000080), 0x0) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:12 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000dddfc8)={&(0x7f0000f8d000)={0x10}, 0xc, &(0x7f00008a7000)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c0000000106010100000000000000000000210008000100"], 0x1c}, 0x1}, 0x0) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(0xffffffffffffffff, 0x84, 0x7, &(0x7f00000002c0), 0x4) 2018/04/09 10:18:12 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:12 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x80000, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) 2018/04/09 10:18:12 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:12 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = getuid() stat(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0}) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1, 0x41010, r0, 0x0) setresuid(r1, r2, r3) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) 2018/04/09 10:18:12 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x7ffff000, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:13 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) r1 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x4, 0x4000) setsockopt$netrom_NETROM_N2(r1, 0x103, 0x3, &(0x7f0000000040)=0x400000000000, 0x4) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 682.252188] FAULT_INJECTION: forcing a failure. [ 682.252188] name failslab, interval 1, probability 0, space 0, times 0 [ 682.263687] CPU: 0 PID: 17606 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 682.270548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 682.279923] Call Trace: [ 682.282541] dump_stack+0x1b9/0x294 [ 682.286199] ? dump_stack_print_info.cold.2+0x52/0x52 [ 682.291434] should_fail.cold.4+0xa/0x1a [ 682.295534] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:18:13 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000010000"], 0x38}, 0x0) [ 682.300844] ? kasan_kmalloc+0xc4/0xe0 [ 682.305370] ? graph_lock+0x170/0x170 [ 682.309413] ? sched_create_group+0x35/0x70 [ 682.313765] ? cpu_cgroup_css_alloc+0xe/0x30 [ 682.318214] ? graph_lock+0x170/0x170 [ 682.322044] ? SyS_mkdir+0x22/0x30 [ 682.325624] ? find_held_lock+0x36/0x1c0 [ 682.329733] ? __lock_is_held+0xb5/0x140 [ 682.334061] ? check_same_owner+0x320/0x320 [ 682.338414] ? rcu_note_context_switch+0x710/0x710 [ 682.343389] should_failslab+0x124/0x180 [ 682.347484] kmem_cache_alloc_node_trace+0x26f/0x770 2018/04/09 10:18:13 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) r2 = fcntl$dupfd(r0, 0x406, r0) setsockopt$IP_VS_SO_SET_FLUSH(r2, 0x0, 0x485, 0x0, 0x0) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$DRM_IOCTL_GET_MAGIC(r4, 0x80046402, &(0x7f0000000000)=0x3) sendmsg$netrom(r3, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x48, &(0x7f0000000000), 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1340}, 0x0) 2018/04/09 10:18:13 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000020000"], 0x38}, 0x0) [ 682.352617] ? __refill_cfs_bandwidth_runtime+0x120/0x120 [ 682.358187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.363761] ? find_next_bit+0x104/0x130 [ 682.367890] alloc_fair_sched_group+0x1ec/0x510 [ 682.372602] sched_create_group+0x35/0x70 [ 682.376779] cpu_cgroup_css_alloc+0xe/0x30 [ 682.381302] cgroup_apply_control_enable+0x52d/0xce0 [ 682.386447] ? cgroup_propagate_control+0x5a0/0x5a0 [ 682.391494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.397062] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 682.401583] ? cgroup_file_name+0x1f0/0x1f0 [ 682.405947] ? css_populate_dir+0x2a2/0x420 [ 682.410307] cgroup_mkdir+0x825/0x10d0 [ 682.414237] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 682.419022] ? put_itimerspec64+0x310/0x310 [ 682.423374] ? set_nlink+0xaf/0x140 [ 682.427039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.432611] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 682.438174] ? kernfs_get_active+0xb2/0x120 [ 682.442524] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 682.447333] kernfs_iop_mkdir+0x159/0x1e0 2018/04/09 10:18:13 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000004000000"], 0x38}, 0x0) [ 682.451505] ? getname_flags+0xd0/0x5a0 [ 682.455507] vfs_mkdir+0x42e/0x6b0 [ 682.459074] do_mkdirat+0x266/0x2f0 [ 682.462732] ? SyS_mknod+0x40/0x40 [ 682.466300] ? ksys_mount+0xa8/0x140 [ 682.470035] ? do_syscall_64+0xb7/0x9d0 [ 682.474051] SyS_mkdir+0x22/0x30 [ 682.477436] ? SyS_mkdirat+0x30/0x30 [ 682.481168] do_syscall_64+0x29e/0x9d0 [ 682.485069] ? vmalloc_sync_all+0x30/0x30 [ 682.489235] ? _raw_spin_unlock_irq+0x27/0x70 [ 682.493750] ? finish_task_switch+0x1ca/0x820 [ 682.498270] ? syscall_return_slowpath+0x5c0/0x5c0 2018/04/09 10:18:13 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x62e1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) r1 = openat(0xffffffffffffffff, &(0x7f00000000c0)='./file0\x00', 0x8000, 0x3a) setsockopt$inet_opts(r1, 0x0, 0x9, &(0x7f0000000140)="36cc3c206a9ff845269583d2b05a51026550ffe0a4a96dc06410078cfc7fb0301bb6d429325069abb5bbae9ce2802ab812756e679b65270c28fbeb9d4698cbb4ec60efeac233427b6a942ff5ca2aee4054594d31799286aabd28ffdf63ddce79528f2abc3ae2aacf076e90a2b8b0e886eb0038711297ca7fdd4664e26e969be471a94f5e406e69eea8892e0e599e6b435753a73eca0bba4b18ca809dbd599b3e2d8805eea8fd584f4863f2d994b45927a84c22e39a574e7555762ff321858bccff32a622cba884b44b8f4f01b6e51015b8dbf090f81a2ea6028c19bdcbbc1a050db45b116e1edb", 0xe7) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) ioctl$sock_SIOCBRADDBR(r0, 0x89a0, &(0x7f0000000240)='gre0\x00') r2 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x1, 0x10002) ioctl$sock_inet_udp_SIOCINQ(r2, 0x541b, &(0x7f0000000040)) recvfrom$unix(r1, &(0x7f0000000280)=""/4096, 0x1000, 0x40002100, &(0x7f0000001280)=@file={0x0, './file0\x00'}, 0x6e) ioctl$sock_SIOCOUTQNSD(r1, 0x894b, &(0x7f0000001300)) 2018/04/09 10:18:13 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000040000000000"], 0x38}, 0x0) [ 682.503227] ? syscall_return_slowpath+0x30f/0x5c0 [ 682.508183] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 682.513580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 682.518457] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 682.523673] RIP: 0033:0x455259 [ 682.526881] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 682.534710] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 682.542002] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 2018/04/09 10:18:13 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0xc0, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) [ 682.549291] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 682.556584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 682.563880] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000001e [ 682.586299] netlink: 'syz-executor4': attribute type 1 has an invalid length. [ 682.630691] netlink: 'syz-executor4': attribute type 1 has an invalid length. 2018/04/09 10:18:13 executing program 7 (fault-call:4 fault-nth:31): 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) 2018/04/09 10:18:13 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r1 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0xf4e, 0x131001) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f0000000040)=0x6, 0x4) fcntl$setstatus(r0, 0x4, 0x6400) 2018/04/09 10:18:13 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000080)={0x40000000}) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000000100)) 2018/04/09 10:18:13 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000020000000000"], 0x38}, 0x0) 2018/04/09 10:18:13 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0xf, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:13 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000140)='/dev/rfkill\x00', 0x214000, 0x0) setsockopt$inet_sctp6_SCTP_NODELAY(r1, 0x84, 0x3, &(0x7f0000000180)=0x3, 0x4) 2018/04/09 10:18:13 executing program 4: syslog(0x3, &(0x7f00000000c0)=""/91, 0x5b) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000140)='cpuset.sched_relax_domain_level\x00', 0x2, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000180)=0x0) lstat(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000000280)='./file0\x00', &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000340)={r2, r3, r4}, 0xc) sendfile(r1, r1, &(0x7f0000000080), 0x8000000) 2018/04/09 10:18:13 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='cgroup.max.depth\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) [ 682.790193] FAULT_INJECTION: forcing a failure. [ 682.790193] name failslab, interval 1, probability 0, space 0, times 0 [ 682.801657] CPU: 0 PID: 17666 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 682.819323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 682.828731] Call Trace: [ 682.831344] dump_stack+0x1b9/0x294 [ 682.835008] ? dump_stack_print_info.cold.2+0x52/0x52 [ 682.840224] ? __save_stack_trace+0x7e/0xd0 [ 682.844591] should_fail.cold.4+0xa/0x1a [ 682.848665] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 682.853788] ? kasan_kmalloc+0xc4/0xe0 [ 682.857677] ? kmem_cache_alloc_node_trace+0x150/0x770 [ 682.862955] ? alloc_fair_sched_group+0x266/0x510 [ 682.867796] ? sched_create_group+0x35/0x70 [ 682.872119] ? cpu_cgroup_css_alloc+0xe/0x30 [ 682.876728] ? graph_lock+0x170/0x170 [ 682.880546] ? do_mkdirat+0x266/0x2f0 [ 682.884344] ? SyS_mkdir+0x22/0x30 [ 682.887890] ? do_syscall_64+0x29e/0x9d0 [ 682.891956] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 682.897336] ? find_held_lock+0x36/0x1c0 [ 682.901412] ? __lock_is_held+0xb5/0x140 [ 682.905508] ? check_same_owner+0x320/0x320 [ 682.909836] ? rcu_note_context_switch+0x710/0x710 [ 682.914779] should_failslab+0x124/0x180 [ 682.918849] kmem_cache_alloc_node_trace+0x26f/0x770 [ 682.923956] ? unregister_fair_sched_group+0x5f0/0x5f0 [ 682.929248] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.934811] ? find_next_bit+0x104/0x130 [ 682.938898] alloc_fair_sched_group+0x1ec/0x510 [ 682.943579] sched_create_group+0x35/0x70 [ 682.947734] cpu_cgroup_css_alloc+0xe/0x30 [ 682.951990] cgroup_apply_control_enable+0x52d/0xce0 [ 682.957115] ? cgroup_propagate_control+0x5a0/0x5a0 [ 682.962136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.967681] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 682.972181] ? cgroup_file_name+0x1f0/0x1f0 [ 682.976519] ? css_populate_dir+0x2a2/0x420 [ 682.980856] cgroup_mkdir+0x825/0x10d0 [ 682.984770] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 682.989533] ? put_itimerspec64+0x310/0x310 [ 682.993866] ? set_nlink+0xaf/0x140 [ 682.997498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.003051] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 683.008610] ? kernfs_get_active+0xb2/0x120 [ 683.012934] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 683.018408] kernfs_iop_mkdir+0x159/0x1e0 [ 683.022556] ? getname_flags+0xd0/0x5a0 [ 683.026534] vfs_mkdir+0x42e/0x6b0 [ 683.030077] do_mkdirat+0x266/0x2f0 [ 683.033705] ? SyS_mknod+0x40/0x40 [ 683.037245] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 683.042089] ? do_syscall_64+0xb7/0x9d0 [ 683.046066] SyS_mkdir+0x22/0x30 [ 683.049431] ? SyS_mkdirat+0x30/0x30 [ 683.053154] do_syscall_64+0x29e/0x9d0 [ 683.057041] ? vmalloc_sync_all+0x30/0x30 [ 683.061194] ? _raw_spin_unlock_irq+0x27/0x70 [ 683.065707] ? finish_task_switch+0x1ca/0x820 [ 683.070207] ? syscall_return_slowpath+0x5c0/0x5c0 [ 683.075137] ? syscall_return_slowpath+0x30f/0x5c0 [ 683.080071] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 683.085444] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 683.090298] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 683.095495] RIP: 0033:0x455259 [ 683.098687] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 683.106412] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 683.113683] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 683.120979] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 683.128249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 683.135514] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000001f 2018/04/09 10:18:13 executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = socket$packet(0x11, 0x800000000002, 0x300) r2 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000000)={'lo\x00', &(0x7f0000000200)=@ethtool_cmd={0x28}}) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f000095bffc)={0x0, 0x0, 0xfffffffffffffffc}, 0x4) perf_event_open(&(0x7f0000d2af88)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7fff, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = socket$vsock_stream(0x28, 0x1, 0x0) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x28, 0x2, &(0x7f0000000000)={{{@in=@rand_addr, @in6=@mcast2}}, {{}, 0x0, @in=@rand_addr}}, &(0x7f0000000000)=0xe8) connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) r4 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r4, &(0x7f0000000040)={0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) sendto$inet(r4, &(0x7f0000762fff), 0xfdc7, 0x0, &(0x7f000057bff0)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000762fff), 0xfdc7, 0x0, &(0x7f000057bff0)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) syz_emit_ethernet(0x1, &(0x7f0000000980)=ANY=[@ANYBLOB], &(0x7f0000000380)) socketpair$unix(0x1, 0x1000000000003, 0x0, &(0x7f000021bff8)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r5, 0x1, 0x1a, &(0x7f0000021ff0)={0x1, &(0x7f0000016000)=[{0x2c}]}, 0x8) writev(r6, &(0x7f00000000c0), 0x0) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1b, &(0x7f0000000500)={0x0, 0x1c, "f5825cd8c0eb5a432073937a21dc4ef3318f367c656363c834d98964"}, &(0x7f0000000540)=0x24) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f0000000580)={r7, 0xfffffffffffffff7}, &(0x7f00000005c0)=0x8) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f0000000600)={0x0, 0x2}, &(0x7f0000000640)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffff9c, 0x84, 0x1f, &(0x7f0000000680)={0x0, @in6={{0xa, 0x4e21, 0x20, @local={0xfe, 0x80, [], 0xaa}, 0x6}}, 0x101, 0xfffffffffffffffa}, &(0x7f0000000740)=0x90) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffff9c, 0x84, 0x73, &(0x7f0000000100)={r7, 0x20, 0x30, 0xcd3, 0x2}, &(0x7f00000000c0)=0x18) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000800)={0x0, 0x8000000000000}, &(0x7f0000000840)=0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f0000000880)={0x0, @in6={{0xa, 0x4e21, 0x1, @mcast1={0xff, 0x1, [], 0x1}, 0x94}}, 0x10000, 0x1c4}, &(0x7f0000000940)=0x90) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000000140)={0x4, [0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000d40)=0xfffffffffffffdbe) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffff9c, 0x84, 0x10, &(0x7f0000000ec0)=@assoc_value, &(0x7f0000000f00)=0x8) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffff9c, 0x84, 0x13, &(0x7f0000000f40)={0x0, 0x4}, &(0x7f0000000f80)=0x8) getsockopt$inet_sctp_SCTP_DELAYED_SACK(0xffffffffffffff9c, 0x84, 0x10, &(0x7f0000000fc0)=@assoc_value={0x0, 0xffffffff}, &(0x7f0000001000)=0x8) 2018/04/09 10:18:13 executing program 5: r0 = 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, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x81, 0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000040)={0x10000000}) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) fstat(r2, &(0x7f0000000140)) ioctl$PPPIOCGCHAN(r2, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r2, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:13 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x10, 0x42, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:14 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:14 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x4000000000e, &(0x7f0000000040), 0xfd03) 2018/04/09 10:18:14 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) fcntl$getownex(r0, 0x10, &(0x7f0000000080)={0x0, 0x0}) r3 = gettid() tgkill(r2, r3, 0x1f) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:14 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:14 executing program 6: r0 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0x7fff, 0x18000) r1 = socket$key(0xf, 0x3, 0x2) sendmmsg$alg(r0, &(0x7f0000003b00)=[{0x0, 0x0, &(0x7f00000012c0)=[{&(0x7f0000000080)="0b8058f7f8f9ce093161fbe1bfe1a676cfa23664b7e8e690b10a6324bde73c7969480361107573e84a54a92ede028726dcf6a950255c049e71530e1dd60caadc47a64954823b5c2ac4ab1250398036a1504d3726726c4fa05cdf225a260bac67a1a5c74d3f0555281f925c59c7b88be044918f0c267d2ff19af29dde8224f689ee196feebc", 0x85}, {&(0x7f0000000140)="4aa44ffe3dcbba43228623926283c09d653c7df140e6612b356a", 0x1a}, {&(0x7f0000000180)="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0x1000}, {&(0x7f0000001180)="54009e413d53635910a89cd058af633f804da7f1d1cf0ec79046d396c56dc61c1ee4b3d60117f8faeaf55282d44884d44fb3071ec9d04f81935c265deb4eaad78aa1d8e8726cfe61b36ae3712a775c8f7ef7df7aa43470367f53778988558bdb62b278a7171a0694448b49ed3e59f4dab6f93961e8028f753f52f4213ab3ec7913d126ff90401aeded3b8422827e4f5ffc25db0ec8a29b570577dc115047ace6795927f033761c0d012e776fe0e08d6d80dfb9", 0xb3}, {&(0x7f0000001240)="639b2c38a1ca736ae76070005b535bff527c478bf509732c8bae49bfa5b6c14b6cf4c6a8dc0ad26a28d9100b9d2808f4c552e11e65378747d920a9c4c53e246d3b944a89286efde0c5877ba09e3aaf3361ab6bca", 0x54}], 0x5, 0x0, 0x0, 0x8000}, {0x0, 0x0, &(0x7f0000001380)=[{&(0x7f0000001340)="a75e96da20b9871717ca40a57e171c93e94ebef0f9dd2ed20960bb435e647b029d2ecf52fa9025466e8be0d14c33e3", 0x2f}], 0x1, &(0x7f00000013c0), 0x0, 0x4000000}, {0x0, 0x0, &(0x7f0000001500)=[{&(0x7f0000001400)="988ecc22905e99bf50dc5eebe2fe4603712dfa16c1d8f12dee9d9ff80931434fe7bcbae77d3cf6f6d2f7c2fa284f06a0da512d5bedbb11af9d7f01cdf9c0b68b96ec49985849d0e5d4ba8fd98ae71d2050f969f4bedf1189693aad5a59b8ba96742855fb3499cfb8f8c76af9c17970ea0c6217ad8865f0f663cfe2b462e827fe29186247a87ec86e3f8229468c84b1787437b23876eab750f0cda4c2ec644e529dd57c929e3364f9e1f190e79db0875dcbb9618a23cc6684bbb3194d58c2b17649483cf35f5954fc9ee4c2434e55c02914f3243c1971fc6247300595dc81", 0xde}], 0x1, &(0x7f0000001540)=[@op={0x18, 0x117, 0x3, 0x1}, @op={0x18, 0x117, 0x3, 0x1}, @op={0x18, 0x117, 0x3}], 0x48, 0x11}, {0x0, 0x0, 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", 0x1000}, {&(0x7f0000003780)="70bb4cd59bdecd41cd4f1d24fd6933ba9be77530359502439e480a0c92126840bdbc90b50b3a449c389aba2e65230fd6e40b5bcfe4ba8a9e615b124ed8596732fff2a5cb3bc893b2454624e79b2b1780ab1b580d8df1c84d634e72c19b1a77", 0x5f}], 0x5, 0x0, 0x0, 0x4000000}, {0x0, 0x0, &(0x7f0000003980)=[{&(0x7f0000003880)="25491e24c5d45d30de77c6bd4719872173a1312f5c7ee19080d6befcbccd27a1bd2f7dca549a075e5bd847120a0a66e768a372b4974a8f9a3384e6712953dd657aec1f435a5dc73215f3cb3020af1b2b0425e740fcf703aa1b73926a643bc30bc170d20a429b484155a0872bd633b1a3d45973378b497bbdb9116984c93b1f38afa112598ce20196361fec6f3b0ed71a03a97bbe4d2aa53432c266dfa30da9e3d2d94f63c141697093ff7432efa7e722553297baffb1e733f6e38361f2e8cc11dfa8e248c8797d6f6d260e5aacac20e47e3d", 0xd2}], 0x1, 0x0, 0x0, 0xc010}, {0x0, 0x0, &(0x7f0000003ac0)=[{&(0x7f00000039c0)="65cd1894894ed815a45cfb6950723779e5f89902b5fde9ad755795c083e00ac8dd4b66b79fdba014c436395c90da6cc0ba25fe5207a7d0f851d79a5c37b2ce1344bb6ab2fd0f60968e568e8469e19d4283f2a2a738f8a973177545bd6db4fcc9a7c48500c4d4db254071b875a59aaf45160d23a5fb1a9c36ef9c80ef7cdf7c9b1afdb499a0", 0x85}, {&(0x7f0000003a80)="6e9e22456abddbf3ecdec674a4ac780ffd6b3fde9458cc665fd9", 0x1a}], 0x2, 0x0, 0x0, 0x44010}], 0x6, 0x0) setsockopt$sock_int(r1, 0x1, 0x3f, &(0x7f0000000040)=0x80000000, 0xffffffffffffff6d) ioctl$TUNSETOFFLOAD(r0, 0x400454d0, 0x2) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000013c0)={0x10000004}) 2018/04/09 10:18:14 executing program 7 (fault-call:4 fault-nth:32): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:14 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x8, 0x2000) getdents(r0, &(0x7f0000000140)=""/95, 0x5f) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000040)={0x0, 0xfaa}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f00000001c0)={r2, @in={{0x2, 0x4e20, @loopback=0x7f000001}}, 0xe9, 0x101}, &(0x7f0000000280)=0x90) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000002c0), &(0x7f0000000300)=0x4) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:14 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r0, 0x10e, 0x2, &(0x7f0000000080)=0x1, 0x4) 2018/04/09 10:18:14 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:14 executing program 4: r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f000008cff4)='/dev/rfkill\x00', 0x2, 0x0) r1 = epoll_create1(0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_TIMER_IOCTL_PVERSION(r0, 0x80045400, &(0x7f0000000040)) epoll_ctl$EPOLL_CTL_ADD(r1, 0xa000, r0, &(0x7f0000d56ff4)={0x30000001}) 2018/04/09 10:18:14 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000002c0)="2e2f6367726f75702f73798312c6ec5a87bb3ae2ac6a4e147a3000", 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) set_thread_area(&(0x7f0000000000)={0x7ff, 0xffffffff, 0x2000, 0xfffffffffffffff7, 0x0, 0x7, 0x401, 0x200, 0x8000, 0xfffffffffffffff9}) sendfile(r1, r1, &(0x7f0000000100), 0x3) 2018/04/09 10:18:14 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000ba6000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512-generic\x00'}, 0x58) r2 = accept$alg(r1, 0x0, 0x0) write(r2, &(0x7f00003b3f8a)="8c3649e33ee02afe6b00fda7f5d3c0c45cf16033203016015a760abcc39daa017125e619cd2cee8f51420cc378d86a36623e8895010da80140522620180336d9f8d685231c9b0a74ab3ae13a1487fdabd0c263124f5bb2818a8b89dcd36e44bfb464db0bddacc0959f64a9211898d37e", 0x70) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r3 = syz_open_procfs(0x0, &(0x7f0000000000)='net/route\x00') flock(r1, 0xa) ioctl$EVIOCGVERSION(r3, 0x80044501, &(0x7f00000000c0)=""/184) 2018/04/09 10:18:14 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x63, 0x2ff}, 0x14}, 0x1}, 0x0) [ 683.546730] FAULT_INJECTION: forcing a failure. [ 683.546730] name failslab, interval 1, probability 0, space 0, times 0 [ 683.558339] CPU: 0 PID: 17726 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 683.565201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 683.574576] Call Trace: [ 683.577191] dump_stack+0x1b9/0x294 [ 683.580841] ? dump_stack_print_info.cold.2+0x52/0x52 [ 683.586574] ? __save_stack_trace+0x7e/0xd0 [ 683.590935] should_fail.cold.4+0xa/0x1a 2018/04/09 10:18:14 executing program 5: r0 = 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, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000300)={0x0, @in6={{0xa, 0x4e20, 0x2, @mcast2={0xff, 0x2, [], 0x1}, 0x4574}}, 0x1, 0x2, 0x0, 0x2, 0x20}, &(0x7f00000003c0)=0x98) setsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000400)={r1, 0x3, 0x9}, 0x10) r2 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x9, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x1c, &(0x7f0000000040)=[@in6={0xa, 0x4e21, 0x1, @empty, 0x1}]}, &(0x7f0000000140)=0x10) prctl$setfpexc(0xc, 0x0) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x1f, &(0x7f0000000180)={r3, @in={{0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}, 0x0, 0x40000000000}, &(0x7f0000000240)=0x90) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) prctl$setfpexc(0xc, 0x80000) ioctl$PPPIOCGCHAN(r4, 0x80047437, &(0x7f0000000100)) ioctl$KVM_CREATE_PIT2(r2, 0x4040ae77, &(0x7f0000000280)={0x1ff}) ioctl$KVM_REGISTER_COALESCED_MMIO(r2, 0x4010ae67, &(0x7f00000002c0)={0x100001, 0x9000}) sendmsg$netrom(r4, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:14 executing program 1: r0 = syz_open_dev$sndpcmp(&(0x7f00000002c0)='/dev/snd/pcmC#D#p\x00', 0x3ff, 0x400000) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000340)={{{@in6=@remote, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@mcast1}}, &(0x7f0000000440)=0xe8) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000480)=0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f00000004c0)={{{@in6=@remote, @in6=@ipv4={[], [], @multicast1}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in=@rand_addr}}, &(0x7f00000005c0)=0xe8) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000600)=0x0) getresuid(&(0x7f0000000640), &(0x7f0000000680)=0x0, &(0x7f00000006c0)) r6 = getpid() sendmsg$nl_netfilter(r0, &(0x7f0000000e00)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x200030}, 0xc, &(0x7f0000000dc0)={&(0x7f0000000700)={0x698, 0x5, 0x7, 0x0, 0x70bd29, 0x25dfdbfd, {0x3, 0x0, 0x8}, [@nested={0x154, 0x12, [@typed={0x4c, 0x62, @binary="f707d2c486fd14ca97d5ec939f2d64fb2fddd067f25e4e33729e9c69f39cdf5c454fd06e0693a23225dcd5527f6cdb0ad82af7d9ce5a45f95d91c278b8e7e758b703a3435c84"}, @typed={0x4, 0x3f}, @generic="ce21c34fa0f24f8bb2f5e23fddcb1f5228db24dbc2180c32ccb8bc7f72078fe0ba3ab1ec0b10e9370dc44176a8cc8f6d2432dfa6cb98c32d28c49a0479add84fa1c8d7523f23de1f5c8677e379be8b0a8a48318d134e70ac71ba134db7377453e4f432c423a19d7904b4017a8e5ecb5d3665872043a1bb7a8aac773ec9a511d2a100ec6a3049627d164e3cb6d5478cc03b25b8bf39d32f85f6fa6fc2a4ab68a5104a8c36ad5936827213ad04b5b356f5b2e42954c3c3a93ed68c462d92d6c72b79f0b878a7", @generic="55225274ae6f477408265a92b6d36d622034d1e7c590b7cf63d0b53e3b5dceeb7e30c65b31a8d2cc92e245a3bb8db2cbf1dd6995a312178896"]}, @nested={0x7c, 0x46, [@typed={0x14, 0x81, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}, @typed={0x8, 0x51, @uid=r1}, @typed={0x8, 0x77, @pid=r2}, @typed={0x8, 0x8f, @ipv4}, @generic="5b4784564dd8ed2365b9bbf802e2a7475450ecbf0ae3a1f4ad60dd71786b0d09cca76babfdb4547b14c9f91aebb1ee57d1da6196fe835db9381fd8020ded5d69aaee146ec1b1a52a7699"]}, @typed={0x8, 0x62, @ipv4=@rand_addr=0x89e}, @nested={0x118, 0x1d, [@generic="f1feeb429ee2353b86a0e5a2a008", @typed={0x8, 0x64, @uid=r3}, @typed={0x10, 0x43, @str='/dev/sg#\x00'}, @generic="40739f8a654a540c5feef270cd26a72ecc0cc9e148ca8dbdda7c5bb3141f9212e8e43c592a102b532e55c58a885bd91c1999dab31d89c25de55c31276d2b358a095d85d7bb93023fe50ad2acb65849ca78bd3c675df8658ecd330b5c9aab3c17bda4d847a953cf3ba28581888c2dab6dddd0f0656913a60fe7b559ae478d949c29932db7df5c0c7c188823f57dab37c5c64b19733bde6f8f2c00d40a0323bfb39847822d256ba79099dfea71c63b152203af67c24711536e02c9d9693c33dd407f4aaff92bd6ebbcdf8d42037ebe5819f9760c03e04a44a3d8d214a089bca39637b515ffb0ffd76d52d9dd16cb"]}, @nested={0x170, 0x3c, [@typed={0x14, 0x4e, @ipv6=@mcast2={0xff, 0x2, [], 0x1}}, @typed={0x8, 0x8e, @pid=r4}, @typed={0x8, 0x52, @uid=r5}, @generic="dbd1c27c383e7d72e62f401e5d53f51f591677122056891b0ba6fc9fcfc1b0fb6e8d484afa9192e9b877120595d04b695cf122158f8af7d2f42345307ba1d77a90d4efe43a2a8b48d370ef990e659d19815248eb5e32ea4e14996eaefcac16687728fb1ad9928664a3a530e8047652a25193492d17ec1c3a7a73bf0f643d4bca0a54dab792d04f11d810e1995ec32960e89d9451af64ec1ad797ac3e53588670698805b49a3535b927bec2db4be37a31906c0abaddcdcb991dbcff", @generic="c824c164220ab735c5586cd2ed005277137471984b13820eb9108d2bdbeb03295732893d36eca278fc1e6f0cd35767b66f7b1ec001f4f1e66c5d07d0341c22b58eb1ca286e0eaaa1b0698f9880deea8985d3427cb6641d400a350c5a3fb41c4c057f80a4d67617f531952fa83fe69c670b5b4eb773466dadf4f9ba209f359510bd8cdcfb7c8760e39656c0"]}, @generic="5623cfa4865ab638aec7e765c52e2404b8a077", @generic="ac72fc8a8518a3d924f609d5c8300152db18a49bf06bc1d5cd9e1439015bffd66a04c0192c02454c207667ae08c38846bb38aff85f1d45e46c7b459adbe704c1e43ea57f9f8fa0581f386bffc563405aed6fc841441c6e806c0a69e080a4c5be24ea17e949e32240b27d66a6518e70dad75ee926c4f25941dcf123112bacbbf3c6717f299f52ef779da126184b5ae2f1ff7dfef6e6ffe748750f8a45f6eec6cdba2dcbdda34beb4ad4b2db7bcf8828d72b4f58ee44893ba438099a8e20", @generic="7b6763f4ae5c0ee9700aa2a4e82e47ab96a948bfcbf80b728f3b4eb04f91bd7748e604ca860e20c55cf6de1d861a8ff4466f92bb8230eb5c333b63efdeab7548d6ee762c3acd95054d8258adbfd09b74cfccc885a691bf", @generic="b8bad137be499cd6aa3685a8e3d3da626e60a25d4d22ecfa8eb7ec20258b7d9b173f289997772bf5623a40328e347d7ae1e2b35c3a4dad43708fcdb4290e071be482673d8c3c75c7024ea6e7c29e697080bb82d1370eec3bd73424c357e24f17bbb1715ce24b926a2f38389d033bdb3ab44d7214494f4575d56b4476e99bb5f0f9ac89b5e3e7a69ab233af0ebdaa24c1f30477875bd08897fa9676c108eb05433ea3a090ec4be2e3841e47b15b29a58a81ad029155d46afe751d053b88e9d57434fad7726b7e98392145dd3b05dfc9f7f1bd2b6d51be6b39cd70288dde55e27fac6dce5142fe02f010422412c86c3b1ec4e9c2", @typed={0x8, 0x55, @pid=r6}]}, 0x698}, 0x1, 0x0, 0x0, 0x20000000}, 0x90) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r8, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r7, 0x84, 0x6, &(0x7f0000000080)={0x0, @in={{0x2, 0x4e23, @broadcast=0xffffffff}}}, &(0x7f0000000140)=0x84) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r8, 0x84, 0x6, &(0x7f0000000180)={r9, @in6={{0xa, 0x4e22, 0x0, @remote={0xfe, 0x80, [], 0xbb}, 0x8000}}}, &(0x7f0000000280)=0x84) ioctl(r8, 0x2286, &(0x7f0000c95ffe)) [ 683.595026] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 683.600157] ? kasan_kmalloc+0xc4/0xe0 [ 683.604067] ? kmem_cache_alloc_node_trace+0x150/0x770 [ 683.609369] ? alloc_fair_sched_group+0x266/0x510 [ 683.614233] ? sched_create_group+0x35/0x70 [ 683.618573] ? cpu_cgroup_css_alloc+0xe/0x30 [ 683.623006] ? graph_lock+0x170/0x170 [ 683.626826] ? do_mkdirat+0x266/0x2f0 [ 683.630650] ? SyS_mkdir+0x22/0x30 [ 683.634209] ? do_syscall_64+0x29e/0x9d0 [ 683.638289] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 683.643690] ? find_held_lock+0x36/0x1c0 [ 683.647791] ? __lock_is_held+0xb5/0x140 [ 683.651906] ? check_same_owner+0x320/0x320 [ 683.656258] ? rcu_note_context_switch+0x710/0x710 [ 683.661227] should_failslab+0x124/0x180 [ 683.665321] kmem_cache_alloc_node_trace+0x26f/0x770 [ 683.670453] ? unregister_fair_sched_group+0x5f0/0x5f0 [ 683.675750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 683.681373] ? find_next_bit+0x104/0x130 [ 683.685470] alloc_fair_sched_group+0x1ec/0x510 [ 683.690168] sched_create_group+0x35/0x70 2018/04/09 10:18:14 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fafff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000ff5000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000140)=ANY=[@ANYBLOB="ff00000000ff0300024d564b0000000005"]) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_dev$sndpcmp(&(0x7f00000000c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x20200) ioctl$KVM_S390_VCPU_FAULT(r3, 0x4008ae52, &(0x7f0000000140)=0xc320) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r4, 0x80047437, &(0x7f0000000100)) r5 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0xfffffffffffffffe, 0x101000) ioctl$KVM_GET_XCRS(r5, 0x8188aea6, &(0x7f0000000180)={0x1, 0x3, [{0x3, 0x0, 0x2}]}) sendmsg$netrom(r4, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) ioctl$TUNSETGROUP(r4, 0x400454ce, 0xffffffffffffffff) 2018/04/09 10:18:14 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000000200)={0x4, [0x803, 0x3, 0xfff, 0x7512]}, &(0x7f0000000280)=0xc) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000080)={0x0, 0x3, 0x7fff, 0x8, 0x3f, 0x2bf26937}, &(0x7f00000000c0)=0x14) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r2, 0x100000000, 0x2}, &(0x7f0000000140)=0x8) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2282, &(0x7f0000c95ffe)) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000000180)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f00000001c0)=0x18) [ 683.694339] cpu_cgroup_css_alloc+0xe/0x30 [ 683.698600] cgroup_apply_control_enable+0x52d/0xce0 [ 683.703749] ? cgroup_propagate_control+0x5a0/0x5a0 [ 683.708789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.714365] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 683.718887] ? cgroup_file_name+0x1f0/0x1f0 [ 683.723244] ? css_populate_dir+0x2a2/0x420 [ 683.727599] cgroup_mkdir+0x825/0x10d0 [ 683.731529] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 683.736306] ? put_itimerspec64+0x310/0x310 [ 683.740659] ? set_nlink+0xaf/0x140 [ 683.744306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.749868] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 683.755427] ? kernfs_get_active+0xb2/0x120 [ 683.759771] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 683.764544] kernfs_iop_mkdir+0x159/0x1e0 [ 683.768687] ? getname_flags+0xd0/0x5a0 [ 683.772664] vfs_mkdir+0x42e/0x6b0 [ 683.776204] do_mkdirat+0x266/0x2f0 [ 683.779829] ? SyS_mknod+0x40/0x40 [ 683.783364] ? ksys_mount+0xa8/0x140 [ 683.787068] ? do_syscall_64+0xb7/0x9d0 [ 683.791038] SyS_mkdir+0x22/0x30 [ 683.794393] ? SyS_mkdirat+0x30/0x30 [ 683.798099] do_syscall_64+0x29e/0x9d0 [ 683.801974] ? vmalloc_sync_all+0x30/0x30 [ 683.806114] ? _raw_spin_unlock_irq+0x27/0x70 [ 683.810600] ? finish_task_switch+0x1ca/0x820 [ 683.815089] ? syscall_return_slowpath+0x5c0/0x5c0 [ 683.820015] ? syscall_return_slowpath+0x30f/0x5c0 [ 683.824941] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 683.830304] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 683.835146] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 683.840328] RIP: 0033:0x455259 2018/04/09 10:18:14 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x2) r2 = dup3(r1, r0, 0x0) write(r0, &(0x7f0000c34fff), 0xffffff0b) getsockopt$inet6_tcp_int(r2, 0x6, 0x1c, &(0x7f0000000040), &(0x7f0000000080)=0x4) 2018/04/09 10:18:14 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000200000000"], 0x38}, 0x0) [ 683.843505] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 683.851209] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 683.858491] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 683.865753] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 683.873015] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 683.880278] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000020 2018/04/09 10:18:14 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0xf, 0x2ff}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:14 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x2f, &(0x7f0000000080)=0x9, 0x4) 2018/04/09 10:18:14 executing program 7 (fault-call:4 fault-nth:33): 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) 2018/04/09 10:18:14 executing program 1: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000200)='/dev/cuse\x00', 0x84000, 0x0) ioctl$KVM_NMI(r0, 0xae9a) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000340)=@sack_info={0x0, 0x40, 0x7a3}, &(0x7f0000000380)=0xff) getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f00000003c0)=@assoc_value={r1, 0x10000}, &(0x7f0000000400)=0x8) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) syz_mount_image$iso9660(&(0x7f0000000040)='iso9660\x00', &(0x7f00000001c0)='./file0\x00', 0xfffffffffffffc00, 0x6, &(0x7f0000002800)=[{&(0x7f0000000680)="79c672ee2c149362d157da9d505a22a852311ba82396ea3506f16b390654832d3ef42334b772f8e9166655bf8b045b9efb4b77e99ba2f97743b760a6ee815ede0f9509101848d20797e791568eb2e13e92675ac0688493ef475e4b8497d09bb6869151505b62638a0645b8e04509f878e1a519fca52c2436de5701f1b4877e6225294625337e6749e0d592ac77a6ebd75c1b89c8fb60a42526a5dc6cfc1866cdca1e9de2cd8be5009a92aba08d63ee1a7445bd4a4e72f466ff1540e353b27e398856c111703eada49ea14a5373f7c9d06f9f4b8c291edb1a069e93d2366017b3", 0xe0, 0xff}, {&(0x7f0000000480)="28ba7a8506ac924478037571908ba26ee147d6b6790bbbd70acb4bd02c879a2d", 0x20, 0x6}, {&(0x7f0000000780)="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0x1000, 0x3}, {&(0x7f00000005c0)="f9e41d0dea1a1362c50b3fc59ff38c5e90d3ec0aaa70b06ba6503fa8849fe2fe0e4d4b52dbc73373ef44f9b0acda643c4f4277a39579543bf9b7d15371939409cbb01bcc0034996c72dd222d69c11bef23a65a91265db9d84869d82f7dd1b2a8e47ba0e798cad569bf1551f3ef1b52425e90a31d91a3ead8055cf1d7", 0x7c}, {&(0x7f0000001780)="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0x1000, 0x4}, {&(0x7f0000002780)="a4265fd7a086fb90f76ca26cdeb4a0c0dee1c507a7407490be2008e9a4e7c8018bd9e5ebd2b066f765b1ed9d3ba055f96d97445e9ad92dc59a1534ec549a6ef634700a2eb45e03e8115577e83124e65a237aaa2a77898c60ac63fb45329f64232315a4d6a873ed20b6b4f359c5e46542", 0x70, 0x7f}], 0x4001, &(0x7f00000028c0)={[{@nojoliet='nojoliet', 0x2c}, {@mode={'mode', 0x3d, [0x7d, 0x0, 0x37, 0x7f]}, 0x2c}]}) pipe(&(0x7f0000000640)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000004c0)=0x5, 0x4) write$evdev(r4, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r3, 0x40a85321, &(0x7f0000000080)={{0x10001}, 'port0\x00', 0x64, 0x0, 0xc6de, 0x9, 0x2, 0x6, 0x3, 0x0, 0x4, 0x7}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000002900)={'\x00', 0x200}) ioctl(r3, 0x2288, &(0x7f0000000280)="cc60b70001d5acd2a64b78a49310e9dedd973706859859bd81de12bcf99a35491894d4703099df5c0eb68b54eb0c1b33a68ef2263c2606f818350aaf3490e3da2a0425eab3882f738767120641bdccc2e470b22b3eff50e89a9d3b97f2abdf4cdf64a4949ba16441245bf58e1270f6ee5c0c72ce94e77ba3c1e3b2ffeb980388ec") ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f0000000440)) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r2, 0x40a85321, &(0x7f0000000500)={{}, 'port0\x00', 0x2, 0x810, 0xabab, 0x0, 0xdbb, 0x9, 0x80, 0x0, 0x2, 0x7181}) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f0000000140)=ANY=[@ANYBLOB="ec8b3ef0", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000180)=0x28) 2018/04/09 10:18:14 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) ioctl$sock_netdev_private(r0, 0x89f2, &(0x7f0000000000)="a65ada0cbf0d15c3c5dad0051b0eabde8b4f5b6a553bfe734daa55e7e5aca6d69f79194d6b22cbf5699a8ba261fe5d75e77040430d9df8ff4608135921ae6fe8bec1835c86687d4b8654ed7e1d910e438cc668890c0a56988dd36313479dc15be82027059f4a2ce9326dc420df70931f7bf7b539279622") setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) madvise(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x64) 2018/04/09 10:18:14 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xb00000000000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:14 executing program 5: perf_event_open(&(0x7f000025c000)={0x3, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000001, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) r1 = request_key(&(0x7f0000000000)='syzkaller\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, &(0x7f00000000c0)='lo\x00', 0xfffffffffffffff9) keyctl$get_security(0x11, r1, &(0x7f0000000140)=""/205, 0xcd) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:14 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) 2018/04/09 10:18:14 executing program 4: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r0, 0xaf01, &(0x7f00001e3000)) r1 = eventfd(0x3) ioctl$VHOST_SET_VRING_KICK(r0, 0x4008af20, &(0x7f00008ffff8)={0x0, r1}) r2 = eventfd(0xfffffffffffe) ioctl$VHOST_SET_VRING_KICK(r0, 0x4008af20, &(0x7f0000182d45)={0x0, r2}) r3 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x2, 0x10000) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r3, 0x40505331, &(0x7f00000000c0)={{0x0, 0x7}, {0x2, 0x8}, 0x1, 0x4, 0x3}) r4 = getgid() r5 = getegid() stat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setgroups(0x3, &(0x7f00000001c0)=[r4, r5, r6]) 2018/04/09 10:18:14 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) [ 684.186670] FAULT_INJECTION: forcing a failure. [ 684.186670] name failslab, interval 1, probability 0, space 0, times 0 [ 684.198181] CPU: 0 PID: 17791 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 684.205048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 684.214422] Call Trace: [ 684.217031] dump_stack+0x1b9/0x294 [ 684.220685] ? dump_stack_print_info.cold.2+0x52/0x52 [ 684.225896] ? __save_stack_trace+0x7e/0xd0 [ 684.230259] should_fail.cold.4+0xa/0x1a 2018/04/09 10:18:15 executing program 0: openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r0 = syz_open_dev$mice(&(0x7f0000000180)='/dev/input/mice\x00', 0x0, 0x280) r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000200)='fou\x00') sendmsg$FOU_CMD_GET(r0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x24, r1, 0xa00, 0x70bd2c, 0x25dfdbfe, {0x3}, [@FOU_ATTR_TYPE={0x8, 0x4, 0x1}, @FOU_ATTR_PORT={0x8, 0x1, 0x4e22}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x24000000) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x440000, 0x0) write$rdma_cm(0xffffffffffffffff, &(0x7f0000001f00)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000001ec0)={0xffffffff}, 0x2, 0x1000}}, 0x20) r4 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000001f40)='/dev/hwrng\x00', 0x42000, 0x0) write$rdma_cm(r2, &(0x7f0000001f80)=@migrate_id={0x12, 0x10, 0xfa00, {&(0x7f00000000c0), r3, r4}}, 0x18) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000100), 0x3) syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x1, 0xc000) 2018/04/09 10:18:15 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xa00000000000000}, 0x14}, 0x1}, 0x0) [ 684.234352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 684.239479] ? kasan_kmalloc+0xc4/0xe0 [ 684.243390] ? kmem_cache_alloc_node_trace+0x150/0x770 [ 684.248688] ? alloc_fair_sched_group+0x266/0x510 [ 684.253552] ? sched_create_group+0x35/0x70 [ 684.257892] ? cpu_cgroup_css_alloc+0xe/0x30 [ 684.262321] ? graph_lock+0x170/0x170 [ 684.266133] ? do_mkdirat+0x266/0x2f0 [ 684.269944] ? SyS_mkdir+0x22/0x30 [ 684.273509] ? do_syscall_64+0x29e/0x9d0 [ 684.277594] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 684.282994] ? find_held_lock+0x36/0x1c0 2018/04/09 10:18:15 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x6000000}, 0x14}, 0x1}, 0x0) [ 684.287097] ? __lock_is_held+0xb5/0x140 [ 684.291213] ? check_same_owner+0x320/0x320 [ 684.295559] ? rcu_note_context_switch+0x710/0x710 [ 684.300520] should_failslab+0x124/0x180 [ 684.304613] kmem_cache_alloc_node_trace+0x26f/0x770 [ 684.309741] ? unregister_fair_sched_group+0x5f0/0x5f0 [ 684.315042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.320605] ? find_next_bit+0x104/0x130 [ 684.324709] alloc_fair_sched_group+0x1ec/0x510 [ 684.329413] sched_create_group+0x35/0x70 2018/04/09 10:18:15 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x4000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:15 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xe00}, 0x14}, 0x1}, 0x0) [ 684.333575] cpu_cgroup_css_alloc+0xe/0x30 [ 684.337836] cgroup_apply_control_enable+0x52d/0xce0 [ 684.342994] ? cgroup_propagate_control+0x5a0/0x5a0 [ 684.348037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.353599] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 684.358122] ? cgroup_file_name+0x1f0/0x1f0 [ 684.362478] ? css_populate_dir+0x2a2/0x420 [ 684.366825] cgroup_mkdir+0x825/0x10d0 [ 684.370744] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 684.375522] ? put_itimerspec64+0x310/0x310 [ 684.379870] ? set_nlink+0xaf/0x140 2018/04/09 10:18:15 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x10}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:15 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x11}, 0x14}, 0x1}, 0x0) [ 684.383520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.389085] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 684.394647] ? kernfs_get_active+0xb2/0x120 [ 684.398997] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 684.403766] kernfs_iop_mkdir+0x159/0x1e0 [ 684.407920] ? getname_flags+0xd0/0x5a0 [ 684.411921] vfs_mkdir+0x42e/0x6b0 [ 684.415484] do_mkdirat+0x266/0x2f0 [ 684.419154] ? SyS_mknod+0x40/0x40 [ 684.422713] ? ksys_mount+0xa8/0x140 [ 684.426443] ? do_syscall_64+0xb7/0x9d0 [ 684.430436] SyS_mkdir+0x22/0x30 [ 684.433814] ? SyS_mkdirat+0x30/0x30 2018/04/09 10:18:15 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x800000000000000}, 0x14}, 0x1}, 0x0) [ 684.437546] do_syscall_64+0x29e/0x9d0 [ 684.441452] ? vmalloc_sync_all+0x30/0x30 [ 684.445624] ? _raw_spin_unlock_irq+0x27/0x70 [ 684.450133] ? finish_task_switch+0x1ca/0x820 [ 684.454651] ? syscall_return_slowpath+0x5c0/0x5c0 [ 684.459596] ? syscall_return_slowpath+0x30f/0x5c0 [ 684.464554] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 684.469945] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 684.474824] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 684.480033] RIP: 0033:0x455259 [ 684.483231] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 684.490963] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 684.498266] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 684.498278] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 684.498288] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 684.498298] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000021 2018/04/09 10:18:15 executing program 7 (fault-call:4 fault-nth:34): 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) 2018/04/09 10:18:15 executing program 0: getpgrp(0x0) fcntl$getown(0xffffffffffffffff, 0x9) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x10b200, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT(r0, 0x404c534a, &(0x7f0000000240)={0x2, 0x22a, 0x800000000000000}) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f00000001c0)=0x0) r2 = syz_open_procfs(r1, &(0x7f0000000200)='children\x00') ioctl$KDGKBLED(r2, 0x4b64, &(0x7f0000000080)) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r4 = openat$cgroup_int(r3, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r4, r4, &(0x7f0000000100), 0x3) 2018/04/09 10:18:15 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fafff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000ff5000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000140)=ANY=[@ANYBLOB="ff00000000ff0300024d564b0000000005"]) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_dev$sndpcmp(&(0x7f00000000c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x20200) ioctl$KVM_S390_VCPU_FAULT(r3, 0x4008ae52, &(0x7f0000000140)=0xc320) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r4, 0x80047437, &(0x7f0000000100)) r5 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0xfffffffffffffffe, 0x101000) ioctl$KVM_GET_XCRS(r5, 0x8188aea6, &(0x7f0000000180)={0x1, 0x3, [{0x3, 0x0, 0x2}]}) sendmsg$netrom(r4, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) ioctl$TUNSETGROUP(r4, 0x400454ce, 0xffffffffffffffff) 2018/04/09 10:18:15 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xa000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:15 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:15 executing program 6: r0 = socket$can_raw(0x1d, 0x3, 0x1) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000180)) r1 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r1, 0x1, 0xe, &(0x7f0000000080), 0x4) 2018/04/09 10:18:15 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) r2 = gettid() perf_event_open(&(0x7f0000000000)={0x0, 0x70, 0xfff, 0x81, 0x9, 0x261d40, 0x0, 0x9, 0x8, 0xa, 0x400, 0x7, 0x3, 0x100000000, 0x1, 0x8001, 0x0, 0x5, 0x3, 0x200, 0x734, 0x7, 0x4, 0xffffffffffffab08, 0x4, 0x3, 0x100000000, 0x101, 0x4, 0x7, 0x8001, 0x2, 0x71, 0x2, 0x1, 0x8, 0x0, 0x80000001, 0x0, 0x5, 0x0, @perf_config_ext={0x541, 0x1}, 0x4000, 0x24f, 0x3, 0x7, 0x6, 0x3f, 0x10001}, r2, 0x9, r0, 0x2) 2018/04/09 10:18:15 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r0 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ppp\x00', 0x50000, 0x0) ioctl$RNDZAPENTCNT(r0, 0x5204, &(0x7f0000000080)=0x67) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ppp\x00', 0x400200, 0x0) renameat2(r0, &(0x7f0000000100)='./file0\x00', r1, &(0x7f0000000180)='./file0\x00', 0x0) pipe(&(0x7f00000001c0)={0xffffffffffffffff}) r3 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) getsockopt$inet_sctp_SCTP_RTOINFO(r3, 0x84, 0x0, &(0x7f0000000200)={0x0, 0x3, 0x0, 0xc99b}, &(0x7f0000000280)=0x10) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f00000002c0)={0x0, 0x8000, 0x8, 0x81, 0xfffffffffffffff7, 0xfffffffffffff801, 0x9, 0xe286, r4}, 0x20) ioctl$KVM_S390_INTERRUPT_CPU(r0, 0x4010ae94, &(0x7f0000000040)={0x7c, 0x6, 0x7f}) ioctl$sock_inet6_tcp_SIOCATMARK(r1, 0x8905, &(0x7f0000000600)) 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, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r3, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {{}, 0x9}], 0x30) ioctl(r3, 0x2286, &(0x7f0000c95ffe)) ioctl$TCXONC(r2, 0x540a, 0x6) getsockopt$bt_l2cap_L2CAP_CONNINFO(r1, 0x6, 0x2, &(0x7f0000000300), &(0x7f0000000340)=0x6) getsockopt$llc_int(r3, 0x10c, 0xd, &(0x7f0000000380), &(0x7f00000003c0)=0x4) [ 684.713424] FAULT_INJECTION: forcing a failure. [ 684.713424] name failslab, interval 1, probability 0, space 0, times 0 [ 684.724881] CPU: 0 PID: 17855 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 684.731751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 684.741124] Call Trace: [ 684.743719] dump_stack+0x1b9/0x294 [ 684.747350] ? dump_stack_print_info.cold.2+0x52/0x52 [ 684.752574] should_fail.cold.4+0xa/0x1a [ 684.756649] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 684.761748] ? __lock_acquire+0x7f5/0x5130 [ 684.765976] ? graph_lock+0x170/0x170 [ 684.769779] ? find_held_lock+0x36/0x1c0 [ 684.773842] ? __lock_is_held+0xb5/0x140 [ 684.777923] ? check_same_owner+0x320/0x320 [ 684.782236] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 684.787249] ? rcu_note_context_switch+0x710/0x710 [ 684.792181] should_failslab+0x124/0x180 [ 684.796240] __kmalloc_track_caller+0x2c4/0x760 [ 684.800902] ? string+0x21d/0x2c0 [ 684.804354] ? kstrdup_const+0x66/0x80 [ 684.808237] kstrdup+0x39/0x70 [ 684.811432] kstrdup_const+0x66/0x80 [ 684.815142] __kernfs_new_node+0xa8/0x580 [ 684.819286] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 684.824038] ? pointer+0xa20/0xa20 [ 684.827580] ? graph_lock+0x170/0x170 [ 684.831389] ? snprintf+0xa5/0xd0 [ 684.834833] ? vsprintf+0x40/0x40 [ 684.838290] kernfs_new_node+0x80/0xf0 [ 684.842173] __kernfs_create_file+0x4d/0x330 [ 684.846577] cgroup_addrm_files+0x437/0xaf0 [ 684.850908] ? cgroup_css.part.14+0x1f0/0x1f0 [ 684.855396] ? cpu_cgroup_css_alloc+0x30/0x30 [ 684.859899] ? __lock_is_held+0xb5/0x140 [ 684.863961] ? kasan_check_write+0x14/0x20 [ 684.868183] ? online_css+0x259/0x330 [ 684.871979] css_populate_dir+0x1a8/0x420 [ 684.876127] cgroup_apply_control_enable+0x43b/0xce0 [ 684.881230] ? cgroup_propagate_control+0x5a0/0x5a0 [ 684.886236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.891761] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 684.896245] ? cgroup_file_name+0x1f0/0x1f0 [ 684.900564] ? css_populate_dir+0x2a2/0x420 [ 684.904880] cgroup_mkdir+0x825/0x10d0 [ 684.908769] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 684.913518] ? put_itimerspec64+0x310/0x310 [ 684.917834] ? set_nlink+0xaf/0x140 [ 684.921451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.926981] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 684.932508] ? kernfs_get_active+0xb2/0x120 [ 684.936819] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 684.941568] kernfs_iop_mkdir+0x159/0x1e0 [ 684.945710] ? getname_flags+0xd0/0x5a0 [ 684.949943] vfs_mkdir+0x42e/0x6b0 [ 684.953478] do_mkdirat+0x266/0x2f0 [ 684.957100] ? SyS_mknod+0x40/0x40 [ 684.960639] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 684.965481] ? do_syscall_64+0xb7/0x9d0 [ 684.969453] SyS_mkdir+0x22/0x30 [ 684.972818] ? SyS_mkdirat+0x30/0x30 [ 684.976529] do_syscall_64+0x29e/0x9d0 [ 684.980410] ? vmalloc_sync_all+0x30/0x30 [ 684.984556] ? _raw_spin_unlock_irq+0x27/0x70 [ 684.989045] ? finish_task_switch+0x1ca/0x820 [ 684.993538] ? syscall_return_slowpath+0x5c0/0x5c0 [ 684.998465] ? syscall_return_slowpath+0x30f/0x5c0 [ 685.003394] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 685.008773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.013627] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 685.018811] RIP: 0033:0x455259 [ 685.021989] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 685.029695] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 685.036954] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 685.044212] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 685.051475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 2018/04/09 10:18:15 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) [ 685.058747] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000022 [ 685.066374] cgroup: cgroup_addrm_files: failed to add weight, err=-12 2018/04/09 10:18:15 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) r1 = request_key(&(0x7f0000000000)='ceph\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x2}, &(0x7f00000000c0)='lo\x00', 0xfffffffffffffffe) keyctl$describe(0x6, r1, &(0x7f0000000140)=""/216, 0xd8) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:15 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xe000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:16 executing program 7 (fault-call:4 fault-nth:35): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:16 executing program 1: r0 = syz_open_dev$amidi(&(0x7f0000000080)='/dev/amidi#\x00', 0x100000000, 0x140) sendmmsg(r0, &(0x7f00000008c0)=[{{&(0x7f00000000c0)=@pppoe={0x18, 0x0, {0x3, @random="e446b27100ab", 'ifb0\x00'}}, 0x80, &(0x7f0000000280)=[{&(0x7f0000000140)="263c10bb54ede0465c7f5ee9a42e6e42669709809bdb27cfff1cee18dd939dbd36c76c1a3239cfdc1d256c3d2f9523ffd98f7b3e4975916960da7c07780da474cd7e86023d8a6bd2cbba35c8a62bce0d5d7a38ea5e0c4778eb281bfb2b1a2f1b085ffebed0402004a2ed5a74cdded93d0776ed75e43b5734f31923663bb1fd161637478e618c79c670ac130b1f6e1dd2000013d5e15fe66c87635f3f2e8d5823c7d83fb2ec538b8ff6be7f8c49c24a0117e1efba3d369f301df7ba3a45a3131cfb9b443b8c52026ace75967787137840f53f", 0xd2}], 0x1, &(0x7f00000002c0)=[{0xf0, 0x110, 0x101, "4eb651fd66df7d2f14f41f55b8ec3b15df9d87af7b07b5329c12e81867b72df971ad75db9e1770aaea79ca91895868e0bcea538e8ab99091eefae36d06e89bb92f8526c549384f5d1ab52a8a5ca33304377d988ffcdea867a3158e1799ebbf04a8047b5abdd3da2d5bec7ad480690af7b4c672eed4999ce1c63b49fbce402ea02c7aa2299630400da7a7a57e30c46fc354ef2dc5cc21bb70fc1a410c4e19c17e5132d97876848182d45106df48167fc870f10d81c39c40bb2d477ccb2b14a22c3c994737c044b9c413f78b22d7026be11761a7c8bacb49b50358ab6b567c"}, {0x68, 0x29, 0x1f, "5c1e817e9a2119f5691c658d56b8e981b83e7fd0a904790a5d95b043ecbb06f82e37ab539e3a3dd13346c3a7c7f8ea6133d4051cbdbbb392aa35b041448f5e3d359679c8210e452f739e5102670b0d99ea2d"}, {0xe0, 0x116, 0x0, "1c29b24182583a6b91e870370cb4998be9172b1974582a4948f099bffc08a060b18c68e2a657055ecdced14973a0682bbf39b820e0cded2622d49cdd1ef1d62e43c27ae23d4599339ffcaf7107c48422c47158100dc395bd5bc4612cf91c5c48f806f1978e22867f3be33dc058e0ae17c1ec16ebe2aece0e5856bbf496ee770fbe4d081286e87d447157e2af89b6d13196cc8c32b03c13874df13187e9765f6699faeb4d58f0b2203835551fe86eda77d1807fd56c6b7f84bd309738302cb0aac719cf7e592ecc4a9f3ec6d779"}, {0x70, 0x109, 0x3, "8d77d9e0f65d04aa73f8b0fb5287e11fb3604ede07bdca739aefee78e4bf7c34efd0bf6c342b40cbb7dadd556976db0f81a523616d54b3e276f7d0fac16b4b54956ab32bc6beee5db2006b67463f0e93aee3358406785d84b71c6766"}, {0x108, 0x103, 0x7fffffff, "e97b06422fe3a29aaa5f777e8bb558c7727f61e7d45368dd21b39f1b3bb6def62e89cd5b14cf72c5384ef2618fc999aa92ab5927a06d94ac1c3a1f6afbe8e5c5d33b6bea9c1a72d75d834f78624e6fba09dd4ca95b2fce4dcfe34b85a0f80f2a2bdf6862d7d933d955ba444bbcb48677163c2c88546be86799fc0139fab3a651c1e750fb53025326734bc89a3df808293dad744607d4fdc5d6faf75e416b0371c04230af4a68e61f197e657945c10ebfac722dc3f9b156e08d8a09dd30bfffaacb60df168ef1361c9ab66d6ae08629945c314530953eeb2f1a8e524e28da77b14992bae48b01b9998200e908ed6998f2342159c86352a7"}, {0x38, 0x103, 0x8, "9235f961f6c5fc398b08388d2540f8b5963a7e6d4e3c7d8dc846ad6b924958e18a3f9b"}, {0xd0, 0x10f, 0xb543, "73e5862e43cbf08196e2fa4ec5a14af25de58f8214ecb27b07ee3c455c852dfffaa5a2bcfa3fc583a624153f6d609137200e233e6c14e70283483512ffd3ae4ea4d9bae7e7f76f131608ade8aea2d35f34327aecf90aee1938e577ba0c8700d8a93d123ee501f581a31f55328ff7a14c6cc14f1a5be5431b6c4f41f1f4b943f2d9fd3c7c192333a0cb56abccab851f130b28ae47094793adc33e324fa86e8442325f96645da29c1f749e0219b6564507f85f0014981afb642e"}, {0x110, 0x10b, 0x5b4b3384, "d9c9ff4b6d42652cd1541aea34c62543e7a8a8af020cbd81237145b64231295bc8a5c25080c36d7018d4d7c4188c0e6d6a0fd9e6fd3b578210964b05602b568240704e4a6021459124db2bc53cd779d3b71be973ab4a59665ac3a59477a35c1e9102b67e3c450133422a894556a59e3c0231d96e06dfe0f31ff5628b1b8ec8861ebefe13082d5d7ca9b9a92dad1f456174a5d24692404e2d86d49f0e9916440d8333ce5c80e0c36cc345578416428544fa056dc5ed98d4eef5c7f01d682ac98fa10d47501b2099ab54b0d770556fdd77ec870b3144c2c14b9b609397afa34494e7bdf2d9a06a55d53e8662e98ad0ed64b9b1970a42f304b94e"}, {0x28, 0x13b, 0xfff, "c451646ec69ed2a8938c731f8b0d0a1ab593f0cb"}], 0x5f0, 0x20000014}, 0x725}], 0x1, 0x4) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000980), &(0x7f00000009c0)=0xc) getsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000a00)={0x0, 0x7fff, 0x10001, 0x1ff}, &(0x7f0000000a40)=0x10) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000240)={r1, 0x401}, 0x8) pipe(&(0x7f0000000040)) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) getsockopt$llc_int(r0, 0x10c, 0x1, &(0x7f0000000900), &(0x7f0000000940)=0x4) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:16 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = open(&(0x7f0000000000)='./file0\x00', 0x100, 0x8) recvmsg$kcm(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f00000000c0)=""/96, 0x60}, {&(0x7f0000000040)=""/24, 0x18}, {&(0x7f0000000140)=""/81, 0x51}, {&(0x7f00000001c0)=""/16, 0x10}, {&(0x7f0000000200)}, {&(0x7f0000000240)=""/220, 0xdc}, {&(0x7f0000000340)=""/136, 0x88}, {&(0x7f0000000400)=""/65, 0x41}, {&(0x7f0000000480)=""/21, 0x15}], 0x9, &(0x7f0000000580)=""/231, 0xe7, 0x2}, 0x0) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) 2018/04/09 10:18:16 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000100"], 0x38}, 0x0) 2018/04/09 10:18:16 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xc00000000000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:16 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fafff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000ff5000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000140)=ANY=[@ANYBLOB="ff00000000ff0300024d564b0000000005"]) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_dev$sndpcmp(&(0x7f00000000c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x20200) ioctl$KVM_S390_VCPU_FAULT(r3, 0x4008ae52, &(0x7f0000000140)=0xc320) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r4, 0x80047437, &(0x7f0000000100)) r5 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0xfffffffffffffffe, 0x101000) ioctl$KVM_GET_XCRS(r5, 0x8188aea6, &(0x7f0000000180)={0x1, 0x3, [{0x3, 0x0, 0x2}]}) sendmsg$netrom(r4, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) ioctl$TUNSETGROUP(r4, 0x400454ce, 0xffffffffffffffff) 2018/04/09 10:18:16 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) fstat(r0, &(0x7f0000000080)) sendfile(r1, r1, &(0x7f0000000100), 0x3) 2018/04/09 10:18:16 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000000240)={0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000280)={0x0, 0xf6}, &(0x7f00000002c0)=0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000300)={r2, 0xffff}, 0x8) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r3, 0x80047437, &(0x7f0000000100)) r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000140)='/dev/rfkill\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r3, 0x84, 0x6d, &(0x7f0000000440)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000340)=0xec) setsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f0000000380)={r5, 0xc1c, 0x3ff, 0x100000000}, 0x10) r6 = fcntl$dupfd(r0, 0x406, r0) r7 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x0, 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r6, 0x84, 0x20, &(0x7f0000000200)=0x2, 0x4) renameat2(r6, &(0x7f0000000000)='./file0\x00', r7, &(0x7f00000000c0)='./file0\x00', 0x7) setsockopt$IP_VS_SO_SET_DELDEST(r4, 0x0, 0x488, &(0x7f0000000180)={{0x8, @remote={0xac, 0x14, 0x14, 0xbb}, 0x4e20, 0x3, 'rr\x00', 0x29, 0xbd3, 0x3c}, {@dev={0xac, 0x14, 0x14, 0x17}, 0x4e22, 0x1, 0x6, 0xffff, 0x5}}, 0x44) sendmsg$netrom(r3, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 685.351216] FAULT_INJECTION: forcing a failure. [ 685.351216] name failslab, interval 1, probability 0, space 0, times 0 [ 685.362613] CPU: 0 PID: 17900 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 685.369468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 685.378829] Call Trace: [ 685.381457] dump_stack+0x1b9/0x294 [ 685.385094] ? dump_stack_print_info.cold.2+0x52/0x52 [ 685.390292] should_fail.cold.4+0xa/0x1a [ 685.394351] ? kstrdup_const+0x66/0x80 [ 685.398236] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 685.403330] ? cgroup_mkdir+0x825/0x10d0 [ 685.407384] ? vfs_mkdir+0x42e/0x6b0 [ 685.411086] ? do_mkdirat+0x266/0x2f0 [ 685.414874] ? SyS_mkdir+0x22/0x30 [ 685.418406] ? do_syscall_64+0x29e/0x9d0 [ 685.422459] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 685.427819] ? graph_lock+0x170/0x170 [ 685.431614] ? find_held_lock+0x36/0x1c0 [ 685.435680] ? find_held_lock+0x36/0x1c0 [ 685.439741] ? __lock_is_held+0xb5/0x140 [ 685.443809] ? check_same_owner+0x320/0x320 [ 685.448124] ? rcu_note_context_switch+0x710/0x710 [ 685.453053] ? rcu_read_lock_sched_held+0x108/0x120 [ 685.458067] should_failslab+0x124/0x180 [ 685.462138] kmem_cache_alloc+0x2af/0x760 [ 685.466273] ? memcpy+0x45/0x50 [ 685.469546] ? kstrdup+0x59/0x70 [ 685.472913] __kernfs_new_node+0xe7/0x580 [ 685.477060] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 685.481810] ? pointer+0xa20/0xa20 [ 685.485352] ? graph_lock+0x170/0x170 [ 685.489151] ? snprintf+0xa5/0xd0 [ 685.492602] ? vsprintf+0x40/0x40 [ 685.496056] kernfs_new_node+0x80/0xf0 [ 685.499939] __kernfs_create_file+0x4d/0x330 [ 685.504349] cgroup_addrm_files+0x437/0xaf0 [ 685.508686] ? cgroup_css.part.14+0x1f0/0x1f0 [ 685.513179] ? cpu_cgroup_css_alloc+0x30/0x30 [ 685.517684] ? __lock_is_held+0xb5/0x140 [ 685.521747] ? kasan_check_write+0x14/0x20 [ 685.525974] ? online_css+0x259/0x330 [ 685.529774] css_populate_dir+0x1a8/0x420 [ 685.533924] cgroup_apply_control_enable+0x43b/0xce0 [ 685.539040] ? cgroup_propagate_control+0x5a0/0x5a0 [ 685.544054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.549587] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 685.554074] ? cgroup_file_name+0x1f0/0x1f0 [ 685.558395] ? css_populate_dir+0x2a2/0x420 [ 685.562717] cgroup_mkdir+0x825/0x10d0 [ 685.566612] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 685.571365] ? put_itimerspec64+0x310/0x310 [ 685.575687] ? set_nlink+0xaf/0x140 [ 685.579314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.584850] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 685.590401] ? kernfs_get_active+0xb2/0x120 [ 685.594717] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 685.599470] kernfs_iop_mkdir+0x159/0x1e0 [ 685.603609] ? getname_flags+0xd0/0x5a0 [ 685.607583] vfs_mkdir+0x42e/0x6b0 [ 685.611120] do_mkdirat+0x266/0x2f0 [ 685.614746] ? SyS_mknod+0x40/0x40 [ 685.618285] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 685.623132] ? do_syscall_64+0xb7/0x9d0 [ 685.627105] SyS_mkdir+0x22/0x30 [ 685.630463] ? SyS_mkdirat+0x30/0x30 [ 685.634170] do_syscall_64+0x29e/0x9d0 [ 685.638049] ? vmalloc_sync_all+0x30/0x30 [ 685.642204] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 685.647042] ? syscall_return_slowpath+0x5c0/0x5c0 [ 685.651963] ? syscall_return_slowpath+0x30f/0x5c0 [ 685.656891] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 685.662263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.667107] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 685.672288] RIP: 0033:0x455259 [ 685.675470] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 685.683262] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 685.690524] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 685.697796] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 685.705067] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 685.712331] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000023 [ 685.719981] cgroup: cgroup_addrm_files: failed to add weight, err=-12 2018/04/09 10:18:16 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000200"], 0x38}, 0x0) 2018/04/09 10:18:16 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x4000000000000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:16 executing program 7 (fault-call:4 fault-nth:36): 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) 2018/04/09 10:18:16 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x10, &(0x7f0000000080), 0x4) r1 = socket$nl_crypto(0x10, 0x3, 0x15) r2 = creat(&(0x7f0000000100)='./file0\x00', 0x10) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000180)='IPVS\x00') getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f0000000380)={{{@in6, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in=@multicast1}}, &(0x7f0000000000)=0xe8) setsockopt$inet6_udp_int(r2, 0x11, 0x64, &(0x7f00000000c0)=0x80, 0x4) ioctl$TUNSETOWNER(r2, 0x400454cc, r4) sendmsg$IPVS_CMD_GET_DEST(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="3ca6f83d3479d82fe45fb10c601911257e7a1ed9c0957b51e413c4ccce19eb20941af04b07cfdcfd54b1f2dc3db1c52b1bf3a267a51495b1cee27374d1c567b6914fd9c5c7dd769276a52f9ebca08e44c1ce1cf7b721456b989601c787d8d7b1ad9f3769832e79673a0a153bb95cf827aa11ef9178e28a16c21e25bbc50e45954be651b73ec6ead8c467d5eb6ad8f1eb5257a0f8a6508280b2d60d00e677e9d6388b281ce8494df5aca3de3898511322db104b552c1066297444ccefb12b1c7ce0219cc18f4be12f0f33ee158e44d57900966c", @ANYRES16=r3, @ANYBLOB="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"], 0x13c}, 0x1, 0x0, 0x0, 0x24004004}, 0x4800) ioctl$TUNSETVNETLE(r2, 0x400454dc, &(0x7f0000000040)) flock(r1, 0x0) 2018/04/09 10:18:16 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x200000, 0x2) ioctl$ASHMEM_GET_PIN_STATUS(r1, 0x7709, 0x0) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:16 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) setsockopt$netlink_NETLINK_RX_RING(r0, 0x10e, 0x6, &(0x7f0000000040)={0xae2, 0x7, 0x9, 0x647d}, 0x10) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) [ 685.847289] FAULT_INJECTION: forcing a failure. [ 685.847289] name failslab, interval 1, probability 0, space 0, times 0 [ 685.858663] CPU: 0 PID: 17920 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 685.865529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 685.874906] Call Trace: [ 685.879178] dump_stack+0x1b9/0x294 [ 685.882843] ? dump_stack_print_info.cold.2+0x52/0x52 [ 685.888077] should_fail.cold.4+0xa/0x1a [ 685.892169] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:18:16 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000040000"], 0x38}, 0x0) 2018/04/09 10:18:16 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x5000000}, 0x14}, 0x1}, 0x0) [ 685.897298] ? __might_sleep+0x95/0x190 [ 685.901299] ? graph_lock+0x170/0x170 [ 685.905120] ? __mutex_lock+0x7d9/0x17f0 [ 685.909218] ? find_held_lock+0x36/0x1c0 [ 685.913320] ? __lock_is_held+0xb5/0x140 [ 685.917425] ? check_same_owner+0x320/0x320 [ 685.921774] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 685.926822] ? rcu_note_context_switch+0x710/0x710 [ 685.931790] should_failslab+0x124/0x180 [ 685.935882] __kmalloc_track_caller+0x2c4/0x760 [ 685.940584] ? string+0x21d/0x2c0 [ 685.944062] ? kstrdup_const+0x66/0x80 2018/04/09 10:18:16 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000400000000"], 0x38}, 0x0) 2018/04/09 10:18:16 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x200000000000000}, 0x14}, 0x1}, 0x0) [ 685.947974] kstrdup+0x39/0x70 [ 685.951186] kstrdup_const+0x66/0x80 [ 685.954921] __kernfs_new_node+0xa8/0x580 [ 685.959098] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 685.963868] ? pointer+0xa20/0xa20 [ 685.967440] ? kasan_check_write+0x14/0x20 [ 685.971705] ? snprintf+0xa5/0xd0 [ 685.975183] ? vsprintf+0x40/0x40 [ 685.978657] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 685.983185] kernfs_new_node+0x80/0xf0 [ 685.987095] __kernfs_create_file+0x4d/0x330 [ 685.991533] cgroup_addrm_files+0x437/0xaf0 2018/04/09 10:18:16 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:16 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x12000000}, 0x14}, 0x1}, 0x0) [ 685.995901] ? cgroup_css.part.14+0x1f0/0x1f0 [ 686.000417] ? cpu_cgroup_css_alloc+0x30/0x30 [ 686.004951] ? __lock_is_held+0xb5/0x140 [ 686.009047] ? kasan_check_write+0x14/0x20 [ 686.013297] ? online_css+0x259/0x330 [ 686.017120] css_populate_dir+0x1a8/0x420 [ 686.023905] cgroup_apply_control_enable+0x43b/0xce0 [ 686.029046] ? cgroup_propagate_control+0x5a0/0x5a0 [ 686.034085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.039646] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 686.044160] ? cgroup_file_name+0x1f0/0x1f0 2018/04/09 10:18:16 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) [ 686.048519] ? css_populate_dir+0x2a2/0x420 [ 686.053869] cgroup_mkdir+0x825/0x10d0 [ 686.057836] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 686.062617] ? put_itimerspec64+0x310/0x310 [ 686.066964] ? set_nlink+0xaf/0x140 [ 686.070610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.076172] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 686.081735] ? kernfs_get_active+0xb2/0x120 [ 686.086072] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 686.090856] kernfs_iop_mkdir+0x159/0x1e0 [ 686.095024] ? getname_flags+0xd0/0x5a0 [ 686.099021] vfs_mkdir+0x42e/0x6b0 [ 686.102588] do_mkdirat+0x266/0x2f0 [ 686.106246] ? SyS_mknod+0x40/0x40 [ 686.109806] ? ksys_mount+0xa8/0x140 [ 686.113529] ? do_syscall_64+0xb7/0x9d0 [ 686.117507] SyS_mkdir+0x22/0x30 [ 686.120869] ? SyS_mkdirat+0x30/0x30 [ 686.124581] do_syscall_64+0x29e/0x9d0 [ 686.128456] ? vmalloc_sync_all+0x30/0x30 [ 686.132622] ? _raw_spin_unlock_irq+0x27/0x70 [ 686.137112] ? finish_task_switch+0x1ca/0x820 [ 686.141600] ? syscall_return_slowpath+0x5c0/0x5c0 [ 686.146520] ? syscall_return_slowpath+0x30f/0x5c0 [ 686.151446] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 686.156808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 686.161648] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 686.166829] RIP: 0033:0x455259 [ 686.170009] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 686.177720] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 686.184978] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 686.192237] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 686.199494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 686.206753] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000024 [ 686.214324] cgroup: cgroup_addrm_files: failed to add weight.nice, err=-12 2018/04/09 10:18:17 executing program 4: r0 = socket$inet(0x2, 0x80003, 0x9) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000000)={0x84, @empty, 0x0, 0x0, 'none\x00'}, 0x2c) getsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040), &(0x7f0000000080)=0x8) setsockopt$IP_VS_SO_SET_FLUSH(r0, 0x0, 0x485, 0x0, 0x0) 2018/04/09 10:18:17 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000200)="6327726f75dac9fd74782e64657363e2ad123f1033b808d0215f7d59ff9852618357ad9df76d9d22cd93b92c80b1c5d3ca8591820fbc5158c8ba60667005565e36a6c4c08fba44470b7576df01ea1ef6ea65bc4a569cd520ab3f4f730581816b9a", 0x2, 0x0) dup3(r1, r1, 0x80000) sendfile(r1, r1, &(0x7f0000000100), 0x3) r2 = syz_open_dev$admmidi(&(0x7f00000001c0)='/dev/admmidi#\x00', 0x5, 0x402) ioctl$KDMKTONE(r2, 0x4b30, 0x4) 2018/04/09 10:18:17 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) socket$vsock_dgram(0x28, 0x2, 0x0) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:17 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) r1 = getpid() ioprio_set$pid(0x1, r1, 0x7) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:17 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x3, 0x50000) 2018/04/09 10:18:17 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:17 executing program 7 (fault-call:4 fault-nth:37): 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) 2018/04/09 10:18:17 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xffffff7f}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:17 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x11000000}, 0x14}, 0x1}, 0x0) [ 686.443477] FAULT_INJECTION: forcing a failure. [ 686.443477] name failslab, interval 1, probability 0, space 0, times 0 [ 686.454985] CPU: 0 PID: 17988 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 686.461848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 686.471216] Call Trace: [ 686.473827] dump_stack+0x1b9/0x294 [ 686.477492] ? dump_stack_print_info.cold.2+0x52/0x52 [ 686.482726] should_fail.cold.4+0xa/0x1a [ 686.486812] ? kstrdup_const+0x66/0x80 2018/04/09 10:18:17 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xa00}, 0x14}, 0x1}, 0x0) [ 686.490734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 686.495863] ? cgroup_mkdir+0x825/0x10d0 [ 686.499960] ? vfs_mkdir+0x42e/0x6b0 [ 686.503703] ? do_mkdirat+0x266/0x2f0 [ 686.507525] ? SyS_mkdir+0x22/0x30 [ 686.511098] ? do_syscall_64+0x29e/0x9d0 [ 686.515963] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 686.521357] ? graph_lock+0x170/0x170 [ 686.525183] ? find_held_lock+0x36/0x1c0 [ 686.529285] ? find_held_lock+0x36/0x1c0 [ 686.533405] ? __lock_is_held+0xb5/0x140 [ 686.537510] ? check_same_owner+0x320/0x320 2018/04/09 10:18:17 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x600}, 0x14}, 0x1}, 0x0) [ 686.541881] ? rcu_note_context_switch+0x710/0x710 [ 686.546832] ? rcu_read_lock_sched_held+0x108/0x120 [ 686.551881] should_failslab+0x124/0x180 [ 686.555968] kmem_cache_alloc+0x2af/0x760 [ 686.560137] ? memcpy+0x45/0x50 [ 686.563447] ? kstrdup+0x59/0x70 [ 686.566844] __kernfs_new_node+0xe7/0x580 [ 686.571022] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 686.576059] ? pointer+0xa20/0xa20 [ 686.579626] ? kasan_check_write+0x14/0x20 [ 686.583883] ? snprintf+0xa5/0xd0 [ 686.587363] ? vsprintf+0x40/0x40 2018/04/09 10:18:17 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x1300}, 0x14}, 0x1}, 0x0) [ 686.590836] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 686.595364] kernfs_new_node+0x80/0xf0 [ 686.599278] __kernfs_create_file+0x4d/0x330 [ 686.603714] cgroup_addrm_files+0x437/0xaf0 [ 686.608074] ? cgroup_css.part.14+0x1f0/0x1f0 [ 686.612593] ? cpu_cgroup_css_alloc+0x30/0x30 [ 686.617129] ? __lock_is_held+0xb5/0x140 [ 686.621248] ? kasan_check_write+0x14/0x20 [ 686.625495] ? online_css+0x259/0x330 [ 686.629318] css_populate_dir+0x1a8/0x420 [ 686.633501] cgroup_apply_control_enable+0x43b/0xce0 [ 686.638647] ? cgroup_propagate_control+0x5a0/0x5a0 2018/04/09 10:18:17 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x2}, 0x14}, 0x1}, 0x0) [ 686.643686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.649242] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 686.653766] ? cgroup_file_name+0x1f0/0x1f0 [ 686.658126] ? css_populate_dir+0x2a2/0x420 [ 686.662483] cgroup_mkdir+0x825/0x10d0 [ 686.666420] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 686.671205] ? put_itimerspec64+0x310/0x310 [ 686.675560] ? set_nlink+0xaf/0x140 [ 686.679209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.684775] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 686.690335] ? kernfs_get_active+0xb2/0x120 2018/04/09 10:18:17 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x6}, 0x14}, 0x1}, 0x0) [ 686.694679] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 686.699460] kernfs_iop_mkdir+0x159/0x1e0 [ 686.703624] ? getname_flags+0xd0/0x5a0 [ 686.707619] vfs_mkdir+0x42e/0x6b0 [ 686.711182] do_mkdirat+0x266/0x2f0 [ 686.714828] ? SyS_mknod+0x40/0x40 [ 686.718388] ? ksys_mount+0xa8/0x140 [ 686.722119] ? do_syscall_64+0xb7/0x9d0 [ 686.726107] SyS_mkdir+0x22/0x30 [ 686.729485] ? SyS_mkdirat+0x30/0x30 [ 686.733216] do_syscall_64+0x29e/0x9d0 [ 686.737118] ? vmalloc_sync_all+0x30/0x30 2018/04/09 10:18:17 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xe00000000000000}, 0x14}, 0x1}, 0x0) [ 686.741281] ? finish_task_switch+0x1ca/0x820 [ 686.745795] ? syscall_return_slowpath+0x5c0/0x5c0 [ 686.750744] ? syscall_return_slowpath+0x30f/0x5c0 [ 686.755698] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 686.761090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 686.765966] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 686.771172] RIP: 0033:0x455259 [ 686.774409] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 686.782147] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 2018/04/09 10:18:17 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) lstat(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r1) ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f0000000040)=@add_del={0x2, &(0x7f0000000000)='vcan0\x00', 0x8}) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080)=0x2, 0x24b) ustat(0x5, &(0x7f0000000180)) [ 686.789547] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 686.796930] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 686.804229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 686.811515] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000025 [ 686.819389] cgroup: cgroup_addrm_files: failed to add weight.nice, err=-12 2018/04/09 10:18:17 executing program 4: ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000080)=0x0) sched_setscheduler(r0, 0x7, &(0x7f0000000100)=0x4) r1 = socket$netlink(0x10, 0x3, 0x13) sendmsg$nl_route(r1, &(0x7f0000000000)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000280)={&(0x7f0000000140)=ANY=[@ANYBLOB="2800000012000103010000000000000007000000", @ANYRES32=0x0, @ANYBLOB="000000000000000008001d0003000000"], 0x28}, 0x1}, 0x0) r2 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x5, 0x400000) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r2, 0xc0505405, &(0x7f0000000180)={{0xffffffffffffffff, 0x1, 0x55, 0x3, 0x80}, 0x7d, 0x200000000000000, 0xffff}) 2018/04/09 10:18:17 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x10000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:17 executing program 1: r0 = syz_open_dev$adsp(&(0x7f00000000c0)='/dev/adsp#\x00', 0x63f, 0x20000) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000100)={@loopback={0x0, 0x1}, 0x4, 0x1, 0x3, 0x6, 0x955, 0x5, 0xfffffffffffffff9}, 0x20) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) write$evdev(r2, &(0x7f0000a59000)=[{{r3, r4/1000+10000}}, {}], 0x30) socket$pptp(0x18, 0x1, 0x2) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) ioctl$DRM_IOCTL_AGP_ACQUIRE(r1, 0x6430) 2018/04/09 10:18:17 executing program 7 (fault-call:4 fault-nth:38): 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) 2018/04/09 10:18:17 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz1\x00', 0x200002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file0\x00', 0x82000, 0x40) ioctl$KVM_IRQ_LINE(r2, 0x4008ae61, &(0x7f0000000780)={0x7ff, 0x966}) sendfile(r1, r1, &(0x7f0000000100), 0x3) r3 = socket$inet6_udp(0xa, 0x2, 0x0) recvmsg(r3, &(0x7f0000000700)={&(0x7f0000000080)=@l2, 0x80, &(0x7f0000000680)=[{&(0x7f0000000180)=""/40, 0x28}, {&(0x7f00000001c0)=""/125, 0x7d}, {&(0x7f0000000240)=""/156, 0x9c}, {&(0x7f0000000300)=""/244, 0xf4}, {&(0x7f0000000400)=""/231, 0xe7}, {&(0x7f0000000500)=""/234, 0xea}, {&(0x7f0000000600)=""/71, 0x47}], 0x7, 0x0, 0x0, 0x3}, 0x20) 2018/04/09 10:18:17 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000001"], 0x38}, 0x0) 2018/04/09 10:18:17 executing program 5: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/mixer\x00', 0x2000, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffff9c, 0x84, 0xa, &(0x7f0000000240)={0x0, 0x7, 0x8000, 0x8, 0x1, 0x5e54, 0x40, 0xfffffffffffff006, 0x0}, &(0x7f0000000280)=0x20) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f00000002c0)={r1, 0x1}, 0x8) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x100, 0x0) sendto$ax25(r2, &(0x7f0000000140)="f13cae25db0f0d38b2f8ae52b5ef594284bdc05734b4b7545edb5ba71de0be8982c54248688cd0e0c18c1347ffa4fdaf06dd96033a03d78b775e205f54ac0f7dbc7edeb9ed3063199aa16b0e4d3449d1a66363d8edb36f172a6e71e278c914287c658824128146b99dcba341d38b393f66db37a9182a600f60b31877f14d9e37708164555dc2257bb64cc1ee52847a49300588e5a13339684167560b3446643f30bfa4ff9ed3a69a8b9f589828e3a903e0c07d590ff0bd9b347a7517b1094957bf5174c0706cf3ce9b2db45d0f8dce928d56f2ee29c25e0939", 0xd9, 0x10, &(0x7f0000000040)={0x3, {"cbc741ebeb6699"}, 0x4}, 0x10) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r3, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r3, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:17 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) fsetxattr(r0, &(0x7f0000000000)=@random={'system.', '$cgroup\x00'}, &(0x7f0000000040)='\x00', 0x1, 0x1) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f00000000c0)='cgroup.stat\x00', 0x0, 0x0) r2 = getpgrp(0x0) r3 = gettid() sendmsg$netlink(r1, &(0x7f0000002740)={&(0x7f0000000100)=@kern={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000002700)=[{&(0x7f0000000140)={0x1544, 0x36, 0x0, 0x70bd26, 0x25dfdbfc, "", [@nested={0x10, 0x31, [@typed={0xc, 0x61, @u64=0x8}]}, @generic="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@generic="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", @typed={0x8, 0x52, @pid=r2}, @typed={0xc, 0x56, @u64=0x800}]}, @nested={0x48, 0x3d, [@generic="af7924fb34e5fdce2e9d1e4b660e4957faeae0f7321a573951d24832f45173", @generic="dab06b2b10c51d927cf08100d53168146d811406c766c655230c72bd66f0931cb0b2"]}, @nested={0x164, 0x6a, [@generic="3a89c98cbd96d13ee3765f0eed020b1a1fc471c02b35844e9a58f0e9b9c579b4bff6eaf414f658a52b3a9333cd9b7bf6db0a3335da8818ab8d9695772df4e699b7074d79158fd93027245eae7249b1cb0062565688b9749b42f33bb7f142bb707dfd28314ca13173fedd81a56da7289ebe2a38db1951c6a1026ce2677395aaf7bc3a8563385d70a2b5597808c61a541803b91a71309645", @generic="c028e7071b4f69e76dc4d6da9c3d705b6ca84a101268a003610e267aa62a6cd7fa9ffff7df7bac78f991fcc66d8afc393ac20d1ed1c2d1581360375dcffa130db35dc5a4871c3e89a540d8f3bb57d1b8a7f17551dc37504b37df7dc4965e810579eb1df062b029e89dc37a9dd249c2b97f1c8de254f69cce36a7626ddeaf6d993dc248d00b", @generic="49b922962b8a22fcf5d2f4076e52f3e0ca486e8b2200e43123cacf2938cd0af55a8384ec840f548e5a480c9e5262b03d8fab5f2953ec1d673b89ebb74ef96e", @typed={0x4, 0x2b}]}, @typed={0x14, 0x79, @ipv6=@local={0xfe, 0x80, [], 0xaa}}, @generic="4c5cbf8068132afbd04048a45bf34bf759d5c8427556ae7c28bc94a4eec3d0d32c5b4f11b838fb40c5f89b849e4f6b73036525c294f122ed39d83e220d3e59f7bf6f6b96b4d4555c89469a1915775dea61567cfa60cf51d325708c5307c5933fddb59fbd8a0d195e638884ce8bfd3f21abe54ba5f5f117c540463ad71b52fb99a0fd9c31439e3e799ff7dd53398bcc794e8160a20d99f85f9ba07760d7cb839b2cabf187af2eda7dc418003fe170", @nested={0xac, 0x77, [@generic="f1a7b479e653f5dd9fba084d4c5d745389c73a54303c8d90296127a50dd5ff82483422f1d6c858358ceb79c94c42316837637d75298bf7d16dbde0054521886ee17c2892b3f942921965205c4f1ca354a2eb8824fd946aa42767f3b5429c42a65ed6dd1b89e8329011dd16bc8ae588ac4fe0f353600d829e2cbea56740f270dc07ebd73b909126e481624ef4e092546138b5bfc87ae581957e99a472cd261bfe8bb37d80880c"]}]}, 0x1544}, {&(0x7f00000016c0)={0x1020, 0x37, 0xb18, 0x70bd26, 0x25dfdbfc, "", [@generic="b402b0a2a77f66620d024101fe406918e5a30ccfd8f33982abf5fafa5933095f65e997dab223e5e9555dfd0305e7e78baa77d725b49ca6153db6819025c9f3ecdfa478a94fa5ee372f2d2eebf2e7ca10f4d2d48e402672209f3eb911feeb1faba8484501b43e7eb91d4fd15b22212bb920e0d5d0a03fbdf9967037ad069927db4c1390dd72fa87bb679585fa3069cbdb3fa339d40f52f427cd38af1cc2763a2f2052faed312527273a94404e6cc21bb43975cab61b7c3f175b7b0d71d8916c60389413b0e50c046dec9519e99d743f9008065529e5b9b62931de55fe02b79dc9f75b462f0f70cb8066ddaa6106590c16557d0980b8c92da00b43a6f327f22afb6957e0b8ad9462e608c095d760aa8db9068c41d3afe5d85d217d6ed8b5d396c6a12c3e25e44f5023e30272f55b2885dd84d676ebe177b624c70afdbb8d120145ef33fba6b1b1dcc8c02302278516e0b82d26df4fc5a1a188d72dca602f902644b0ecb027c8cbf2ec6e209e5b1e98e37e4648c0a5d980c11ae5c940580a51fca97e39e114b210f6573c9defbfc800bd74823eba4456584e7c98074f8e487cc63f2ec86a74293f8f82b8f699d6c2d04b39b269861cde08ee805cc67fba18b8044c1c71d8472b440737e9c939ed771db2f4ce19103b43990647ff06fa3a46ed91e2e5abf1dd4ee34d21cd584548b44454e06f5532244b9858fd1078bac11d913f95c3a45dfdd318d7af3f38014c5a68e49bd77142b8f43d2688ca8922e3cb403ce11b3e41019c29ca5af3a016124a83fab2c42ddfbba56d5c580602947452f555465260a07c47af569e7ca979b7ea48b660892341409d24b63738d5efbb9251e394badec886ce2b03af8a192ec8a198a90ce8bcbb881b014d9ee1691bf78f28f74968dd2372c8bf691677e3cc4540f1dda620555e95b05926340ebe2e1589bbed9d19fae809ea458f7ea9c7f34276138cbb120256ab9a9b5f2ec0710798c1e27bf381f76b3b5b5dc10ccf2e21a2db4372252df2427987e93d9da7207740869ef9fe075ef78336ca546ddc85002aa311c8d0851e800130420b1a597d7508beee7375326a42634973c0929151c626833945780a8e5a79791230332b4daadaddc6c81d2feb2228c4f9ab121ee473c0580ad045e7706727ba5253fc38489f19cae74cf10e0a5dee2b71edc236b1639acd5f0baac35ce05845745062e2239ca0a9144420b76adcefd5000bbef8cead4f661f0be920fcb1776ca789252cf9f1e49c375f4b3926e1a0d86c2531a1535e762014057c1fdec805ea7fe43121749e5a584137ccd91cfc10478d21e65710e6b32b69731ac3f849adab8bcd67ab732722d29c573da7c32a1f768c88ce4f5ecd2630a561c13c429d45bb1c77a6d50f872cf3d7edf05e0e06f48a7e417a3b97e03f4044127b3dc2a34edb8446ed752c1449a66951f698f092a940bfc4c310f25338d80a2726deb987216b38f31c59110bdedf878662e9e3d586be814919fc653a21f78fbb97373f2665c1ca41aa19181eb9ade9ecb6f1d94eb60b077420557e91535d1ec7bc46402ea887846ffe3bf072812b0cf4cf4f2059b3711d238f9ae46ff7088eaf1b91fa22d02cfb88d5471bb17890a301262762fd4da137017cc5430b3b6796e9237818e1870d34c42b3335c7b16b755b57dcbf5a10b4411e60db9a2b88a30fa2c0f01b5d9934fdc559bc46cc78050ffe2ef88b7f18d9af3a5881da3cc8bb7ca940f9624c4520c32b69376a565c4e28eec99f5fb565042433ef8aa255c71ed07e0d46bda4b74db0b24f3869ac69fa2de12c7625cc8d936b02f0b4686e8a5c332563f8ef9b2d45a0ed8535188a151a53fda91d4af4e27e2d44c24b7bb4e72251adb3542b5c5d6ffc1ff13a73a5c1c0f08ec3f52fc25c3015381d301a43c1cb75ba72d471da7ef91622cd9dcb865041d193fa2789a4781b4716014f0116f5ba7185ff5daa99d3c6a2504fdc45be4cbed1acde06b323e6c9d70ea7babbdb0a8361e8e8968f89b7a0f4333ac5645cd523b488f72ed5070df8fbf7fadd97d0951177201eb4bd18a08404a30183783bd59de72f5a2acc0a32993fbbbd286996329710f81e2aaa03ecbf62d4665172bed8001ac7e266db0324b146f4ccbd96e0767154a50da868649fe5e856556428fcae09559d572a42cdeb446f970a601e1dd8d36e48a525c0d3771860d3ae63db8b4127b470cc27230e11b9cd6f3ce3023ebabb7b1439ebba8faffff6d419d2d2a7a8be10420bc25a20e6dbb1765a881bb3e605d26ccb85987d9ee07602ad4a4563ea2b1d6c5363671a1b3dbeda33bff1035f5a69f772b3aeaa0fb10e6470125be0f67d40d36ee3333058540fbc4cb41766b6db7968e31e2d18e5b00a8227c0d97589f47017d9c2e44695bf151589b956b8baf4eb70ce385d7e8e9168f932eb4f18fba10646703f0e708abda8943ee6f36f43634c03c0544c9c362e221503d8d9e227d59836208128f8a523c0de9aa95cae256fea3e40fb486211597672280185474cecccac82cd037819e0044931ef90b1a0beab168d7388dc01e909c953512c9722e7d19d4131a5d8ac2653b854889fa446bed0f46a2f73682fd5e537a6a6395f8de3a945b499a12094d433e65ebc289ac5783c1d88c967126d978e00afc43584ae13e7ffe3f15226100ae366b716b9cfbf1e50816443fe945fbc2b430f4b4a071db2571315bca790283cf5d1afebc74203472af4289a3f90a0547400f6c05ad826a6693d5d12e18948fbe828b341049b40feaee3ec4b9d633fabe1e2b35440a6fa8c87e59857dcd699d5a86949340245d36d2705a41ad9e1362c0ef77183a43f2d14102b0a747833660d3cc9cfbeb4e46589be81ccaf0adf999a57fba4ff0632d1daf7e26d1502565b0c50714fbfd11a58c40deb603fe6a4fc1e8405ccaa2a664e87ed0540597dbb7541a4c6f1bce85f2e33e0f0c8ec3491980ffbb90ac64678a46185b35a4532971976cab1f43d87b0d1e188b7ed1cfe40067c2a884a87b8d6a31a169448ca975256dd2e9960cee20d581d5c8c24a3c4c93e70dd91ca92a1fbf6738f1da88851104e2d2b6726128905c298c791ffd04c56901f100fa382926f00138936b782ba266c51cacf89117340def91235c3f68f806abffd9673f8a4eec75d6a01465465b8a1fd8615a2a4579f016384fa984601ec87a839187ba415f8c2144195e9d74a313646e85bac89ea5a1ba77df34a378d5de371906389a8343dd8d6a09843b1f5a09eaeafe1b4fbb7c026bd4ac61acb9391e7c306835c9fd8cdbc5e0b7d2a6eaf7062a5b2c3ebbf196eca9b8aae5a8df6b4e99856a89fcb9f0f35c7690071f0e5dab558ee956367746be78f9fc5afa3a843f090e8f2b37a84d49c9d8d0a84f09417210ac55c77db3958944e30a407d0a7983b5fa681ea8d6505f429ba9dbec97c71f0912932196936e8b9c767fa4c1bf081e53364d20e607117e86bdd7b2ba0f0e02ac3056fcbcb1c58e83d3112001e9528bdfb517a94be962153c6f8f526151ca08a4d26b5ad2cc7640d17decf4544e8c575cc409660ecac7551587799b73fd72a287d79e90343e71940ed0969302868eb85aa47df1b0662110185e4db062bc1d658cc9943a58d43743c87b98de3e015354c80916235f5a2b14caea2e31ef6a12d67902c50b85fe4ac3be364af97044fe69c709c244790ff4783dac79522d2c05dc22662256754af0498f34836b07cd07e740d54929469994645df710ddbb2f9044f410137b28595dd99a989ed496b959136a60f9206a24188e0825471fe848b1cdae026973ed3ec9438d4198389f25b1481eb4b34f85fe1db493f7bc23f7eb30af7b0e5590f961042f87022cb9729e1f65c554b50f684a1bf73fed17add9771eb05eb95b24876ccef3eaf531d99ebdf5b1068dff0474f27bed79d358757975437f2a03467a8eaf16e0d19ea76690396674a398d1c6b96b2e72dca24c0eceb4fd53c507ad1f18f46400b14baa7d196ab2c9656630d3b497c0ad2a789ffe14999b632d29533078d94a315d0a83b291fe229d5a0a8a8f4cd57a7c07c794d87e235862c85cb48ad32eb1bee00cd11ccb02fa4ce5289ebce9b9287da398c8be8a61c6f2d24ee098d4c29c00490a58cd86f43e1c856c45ed78b53513ca426b45cf9dbf736e86afb5220100b236b30aefff43975b53089c662dde2225ba1d58b746ecd106d6f81af9b6dcbc96ae9042a65e8c2a39ae0a399d3946bade0857ba7bc2c41030022b2c32b2fdd360ea4a3d94b8430ad4bab6d803fae7bc018f94d11e6155dcfed3a9af85a7e37e0863f9781a248183a6b577243c81901d9daeb9415165ae3c02a50a859e788ef9a255fdc24de81140dd08eca0e8f87b19a07030ae1bcee363679bc0b103902ae8a22b177ce43ca0f0e827368f61fb402e6fb8c695f7a004a0ba74e8aacecdbe69895c9e5aa76efcdbb317464e74f0f43eca0d3dbd43d8e86877068952e791210cf0e94c66f6cfddb68f0be8723fe2ffd756ea673c3837a9caa71f4a67cbdbb378e35a154bdb8abdf7867d30db18b516793e5eb005380c051fb9b1756f01a11e27b16a3d8850744ed411dc101161834b411a9dcf6e0dc5fec12e59b18551e687204566973c41351bd77a910b4b9656cb7bdb86215a15ed6a10a8d7242ab532c42b495327dd604412adebb386e93583c5a811f0202d700555210eb50b082d9d95cfa4afdb72b3ef850401676a09fdd89486299f7d9babc4f6c19f8654013845b77f0495a21a3cc9c49479e59ad526060c185275738cf65980102aeb7db10e111220fffe602d36310679545346bf6439ec31462ba8ad195c6c5090bab45557695504e005a7aac6be9ba1cded475d078f61ce3769893a8b905b40e3a86f28eb092d2124517e29de366a4724b1a9d9b4a1463f70bafefdca0ed320cfd331cbae4766c5693b3fdcd03b064204d2503258cad99bdb5a22fc02b23b41b650bca8f6242f4b8a24e68ce4f2040b468aafaefe072baaea97d1dcfbdee48f460140b07d97678db29e9101496974c563b1638a589364e9d556bbdf145d152974d3ce709002306c46a242c67bfc2f9edf08ee9831645863d7fc5a5735780fb5163c839cbcfbbc056063cd0243eecfcb8c565e580c2001c8fe9976c08b9296b3681385108d1974148c5bed9da187dd36c5921faa42ae2ebfdfb93fb192d47d192e5ee8e537e3239e9733fde6852a9d39597d6b9d5dd282f57520b3b379ba11f34d9e9e4aed326803f94ee66d772c8133782a37c1142b279ce9faf775d9d2e714bc1d6c7897731acf8c1f05a65cc6da86380611a6bca28630d296e873a5b8a38d588e3547d379c7ca8517b129bbe078ca4daed2fc9bf5fb8635f1512eb49eccab2a90e27b7aa1801f050fe3bd67b9c67b0c76dc6975841095dc7293d91d5e792e76e910753b66bb164412ef0c536321370594f52003eb534afa1600409c7acd4de8908e408ec8849dda6f38ab8c415f8a56217819f38867979b91cdd2efbe0f68a2a081139ad05b4b2c2666d7149e407276ff0cbaa442b19614ac796da306a8ebebd09a3d37d86dc35fab2bf3a127d88e708858d6bddc694d2e04df99bb8bfc3cbfbd8ea3d31541879b274ae08d3e5e9bd8d863c440f95aca897cdbecb6f73cac2ee5db45d2265c278b5a282da6e05c3b7802ccc0a283a450fb24cc2ef2b9176b40ec6b790001a766467a41bf22415a616a9fdb4cc73547ff240e423cba17215c72acc7bdf5b9272fe7a41b3f651ed5e16cc47aa71cb0e100c9f3fdadbc3", @typed={0x8, 0x70, @fd=r0}, @typed={0x8, 0x51, @pid=r3}]}, 0x1020}], 0x2, 0x0, 0x0, 0x8000}, 0x800) [ 687.028454] FAULT_INJECTION: forcing a failure. [ 687.028454] name failslab, interval 1, probability 0, space 0, times 0 [ 687.039977] CPU: 0 PID: 18053 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 687.046842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 687.056215] Call Trace: [ 687.058830] dump_stack+0x1b9/0x294 [ 687.062497] ? dump_stack_print_info.cold.2+0x52/0x52 [ 687.067741] should_fail.cold.4+0xa/0x1a [ 687.071830] ? kstrdup_const+0x66/0x80 [ 687.075755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 687.080887] ? cgroup_mkdir+0x825/0x10d0 [ 687.084969] ? vfs_mkdir+0x42e/0x6b0 [ 687.088702] ? do_mkdirat+0x266/0x2f0 [ 687.092517] ? SyS_mkdir+0x22/0x30 [ 687.096084] ? do_syscall_64+0x29e/0x9d0 [ 687.100158] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 687.105549] ? graph_lock+0x170/0x170 [ 687.109368] ? find_held_lock+0x36/0x1c0 [ 687.113464] ? find_held_lock+0x36/0x1c0 [ 687.117578] ? __lock_is_held+0xb5/0x140 [ 687.121698] ? check_same_owner+0x320/0x320 [ 687.126054] ? rcu_note_context_switch+0x710/0x710 [ 687.131012] ? rcu_read_lock_sched_held+0x108/0x120 [ 687.136066] should_failslab+0x124/0x180 [ 687.140159] kmem_cache_alloc+0x2af/0x760 [ 687.144355] ? memcpy+0x45/0x50 [ 687.147662] ? kstrdup+0x59/0x70 [ 687.151066] __kernfs_new_node+0xe7/0x580 [ 687.155246] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 687.160033] ? pointer+0xa20/0xa20 [ 687.163614] ? kasan_check_write+0x14/0x20 [ 687.167888] ? snprintf+0xa5/0xd0 [ 687.171373] ? vsprintf+0x40/0x40 [ 687.174851] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 687.179406] kernfs_new_node+0x80/0xf0 [ 687.183334] __kernfs_create_file+0x4d/0x330 [ 687.187777] cgroup_addrm_files+0x437/0xaf0 [ 687.192909] ? cgroup_css.part.14+0x1f0/0x1f0 [ 687.197431] ? cpu_cgroup_css_alloc+0x30/0x30 [ 687.201974] ? __lock_is_held+0xb5/0x140 [ 687.206079] ? kasan_check_write+0x14/0x20 [ 687.210332] ? online_css+0x259/0x330 [ 687.214162] css_populate_dir+0x1a8/0x420 [ 687.218344] cgroup_apply_control_enable+0x43b/0xce0 [ 687.223486] ? cgroup_propagate_control+0x5a0/0x5a0 [ 687.228527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.234098] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 687.238623] ? cgroup_file_name+0x1f0/0x1f0 [ 687.242982] ? css_populate_dir+0x2a2/0x420 [ 687.247335] cgroup_mkdir+0x825/0x10d0 [ 687.251262] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 687.256309] ? put_itimerspec64+0x310/0x310 [ 687.260661] ? set_nlink+0xaf/0x140 [ 687.264306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.269881] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 687.275446] ? kernfs_get_active+0xb2/0x120 [ 687.279795] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 687.284580] kernfs_iop_mkdir+0x159/0x1e0 [ 687.289610] ? getname_flags+0xd0/0x5a0 [ 687.293616] vfs_mkdir+0x42e/0x6b0 [ 687.297190] do_mkdirat+0x266/0x2f0 [ 687.300846] ? SyS_mknod+0x40/0x40 [ 687.304415] ? ksys_mount+0xa8/0x140 [ 687.308148] ? do_syscall_64+0xb7/0x9d0 [ 687.312146] SyS_mkdir+0x22/0x30 [ 687.315539] ? SyS_mkdirat+0x30/0x30 [ 687.319284] do_syscall_64+0x29e/0x9d0 [ 687.323191] ? vmalloc_sync_all+0x30/0x30 [ 687.327359] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 687.332222] ? syscall_return_slowpath+0x5c0/0x5c0 [ 687.337355] ? syscall_return_slowpath+0x30f/0x5c0 [ 687.342315] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 687.347712] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.352600] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 687.357807] RIP: 0033:0x455259 [ 687.361004] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 687.368736] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 2018/04/09 10:18:17 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000002"], 0x38}, 0x0) 2018/04/09 10:18:17 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000400"], 0x38}, 0x0) 2018/04/09 10:18:17 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) r1 = dup2(r0, r0) ioctl$ASHMEM_GET_PIN_STATUS(r1, 0x7709, 0x0) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:17 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xb000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:18 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000004000000"], 0x38}, 0x0) 2018/04/09 10:18:18 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vhost-vsock\x00', 0x2, 0x0) ioctl$VHOST_SET_MEM_TABLE(r1, 0x4008af03, &(0x7f00000003c0)={0x4, 0x0, [{0x10d002, 0xdb, &(0x7f0000000140)=""/219}, {0x3000, 0x9b, &(0x7f0000000240)=""/155}, {0x1004, 0x28, &(0x7f0000000040)=""/40}, {0x1d002, 0x81, &(0x7f0000000300)=""/129}]}) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:18 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x7000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:18 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000002000000"], 0x38}, 0x0) [ 687.376119] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 687.383672] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 687.391058] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 687.398347] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000026 [ 687.405900] cgroup: cgroup_addrm_files: failed to add max, err=-12 2018/04/09 10:18:19 executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f00000000c0)={0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, 0x10) r1 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x0, 0x20040) fremovexattr(r1, &(0x7f0000000300)=@known='system.posix_acl_default\x00') setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000040)='cubic\x00', 0x6) ioctl$DRM_IOCTL_AGP_ALLOC(r1, 0xc0206434, &(0x7f0000000080)={0x1000000000000000, 0x0, 0x10001, 0x400}) ioctl$DRM_IOCTL_SG_FREE(r1, 0x40106439, &(0x7f0000000100)={0x2, r2}) syz_emit_ethernet(0x3e, &(0x7f0000000140)=ANY=[@ANYBLOB="ffffffffffff0180c200000086dd6006f5260008110000000000000000000000000000000000ff02000000000000000000000000000100004e2200089078752a869ba459e0d6bcfd1bfe4a748a2d6bbaa30509585f073b757f838731c518ca327da50d7e61469bf5f14352a77087da4464758bddbeef4a26bbd88b81a110f0e15b67682219252eba25d461ba65ecf9f635ff8ca9ae8de3f6f51d26f26fa2e1b55c4c5814094fc5fa6b146550639233bbc5904313b43d0ee12e3e33fdae007bb5f64d97b64a7c2f4a4fd274700a4b228135f8a27f00"], &(0x7f0000775000)) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000240)={0x0, 0x15d, 0x6585c85f}, &(0x7f0000000280)=0x8) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f00000002c0)={r3, 0x3f, 0x3, [0xe38, 0x4, 0x0]}, 0xe) 2018/04/09 10:18:19 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) openat$cgroup_ro(r0, &(0x7f00000000c0)='cpu.stat\x00', 0x0, 0x0) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x200000, 0x0) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) ioctl$TIOCLINUX6(r1, 0x541c, &(0x7f0000000080)={0x6, 0xcc4}) sendfile(r2, r2, &(0x7f0000000100), 0x3) 2018/04/09 10:18:19 executing program 7 (fault-call:4 fault-nth:39): 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) 2018/04/09 10:18:19 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000000)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:19 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x9000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:19 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000004"], 0x38}, 0x0) 2018/04/09 10:18:19 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) fcntl$setsig(r0, 0xa, 0x21) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r2, 0x402c5342, &(0x7f00000000c0)={0x75, 0x2, 0xffffffffb6eaa11f, {0x77359400}, 0x0, 0x9}) ioctl$TIOCLINUX7(r1, 0x541c, &(0x7f0000000080)={0x7, 0x80}) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) ioctl$KDGKBMETA(r2, 0x4b62, &(0x7f0000000140)) ioctl$sock_ipx_SIOCAIPXPRISLT(r1, 0x89e1, &(0x7f0000000180)=0x81) 2018/04/09 10:18:19 executing program 6: r0 = syz_open_dev$amidi(&(0x7f00000000c0)='/dev/amidi#\x00', 0x1, 0x200080) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000100)=ANY=[@ANYRES32=0x0, @ANYBLOB="480000003631a163ad9a6ffca30a1d8058ab439c7c556357facccd4af08385772f569d29587e4da68dba1804c35cfba02517bb0dcfebaf42515c279d1d9b0fb0723887b4788831e159ac3e4d"], &(0x7f0000000180)=0x50) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f00000001c0)=@assoc_value={r1, 0x1}, 0x8) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000280)=0x200, 0x4) r2 = socket$key(0xf, 0x3, 0x2) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000200)={{0x101, 0xcac}, {0xf8, 0x7f}, 0x20000000, 0x5}) setsockopt$sock_int(r2, 0x1, 0xe, &(0x7f0000000080), 0x2) sched_setparam(0x0, &(0x7f0000000040)) 2018/04/09 10:18:19 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000040000"], 0x38}, 0x0) [ 688.368219] FAULT_INJECTION: forcing a failure. [ 688.368219] name failslab, interval 1, probability 0, space 0, times 0 [ 688.379621] CPU: 0 PID: 18115 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 688.386514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 688.395907] Call Trace: [ 688.398530] dump_stack+0x1b9/0x294 [ 688.402184] ? dump_stack_print_info.cold.2+0x52/0x52 [ 688.407423] should_fail.cold.4+0xa/0x1a [ 688.411524] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:18:19 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f00000000c0)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 688.416654] ? __might_sleep+0x95/0x190 [ 688.420659] ? graph_lock+0x170/0x170 [ 688.424492] ? __mutex_lock+0x7d9/0x17f0 [ 688.428600] ? find_held_lock+0x36/0x1c0 [ 688.432700] ? __lock_is_held+0xb5/0x140 [ 688.436810] ? check_same_owner+0x320/0x320 [ 688.441164] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 688.446213] ? rcu_note_context_switch+0x710/0x710 [ 688.451187] should_failslab+0x124/0x180 [ 688.455281] __kmalloc_track_caller+0x2c4/0x760 [ 688.459985] ? string+0x21d/0x2c0 [ 688.463470] ? kstrdup_const+0x66/0x80 [ 688.467389] kstrdup+0x39/0x70 [ 688.470612] kstrdup_const+0x66/0x80 [ 688.474363] __kernfs_new_node+0xa8/0x580 [ 688.478540] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 688.483318] ? pointer+0xa20/0xa20 [ 688.486919] ? kasan_check_write+0x14/0x20 [ 688.491184] ? snprintf+0xa5/0xd0 [ 688.494662] ? vsprintf+0x40/0x40 [ 688.498136] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 688.502670] kernfs_new_node+0x80/0xf0 [ 688.506593] __kernfs_create_file+0x4d/0x330 [ 688.511124] cgroup_addrm_files+0x437/0xaf0 [ 688.515491] ? cgroup_css.part.14+0x1f0/0x1f0 [ 688.520010] ? cpu_cgroup_css_alloc+0x30/0x30 [ 688.524555] ? __lock_is_held+0xb5/0x140 [ 688.528650] ? kasan_check_write+0x14/0x20 [ 688.532901] ? online_css+0x259/0x330 [ 688.536732] css_populate_dir+0x1a8/0x420 [ 688.540916] cgroup_apply_control_enable+0x43b/0xce0 [ 688.546065] ? cgroup_propagate_control+0x5a0/0x5a0 [ 688.551113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.556675] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 688.561193] ? cgroup_file_name+0x1f0/0x1f0 [ 688.565557] ? css_populate_dir+0x2a2/0x420 [ 688.569915] cgroup_mkdir+0x825/0x10d0 [ 688.573840] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 688.578627] ? put_itimerspec64+0x310/0x310 [ 688.582990] ? set_nlink+0xaf/0x140 [ 688.586645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.592215] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 688.597781] ? kernfs_get_active+0xb2/0x120 [ 688.602123] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 688.606908] kernfs_iop_mkdir+0x159/0x1e0 [ 688.611075] ? getname_flags+0xd0/0x5a0 [ 688.615078] vfs_mkdir+0x42e/0x6b0 [ 688.618644] do_mkdirat+0x266/0x2f0 [ 688.622298] ? SyS_mknod+0x40/0x40 [ 688.625870] ? ksys_mount+0xa8/0x140 [ 688.629606] ? do_syscall_64+0xb7/0x9d0 [ 688.633607] SyS_mkdir+0x22/0x30 [ 688.636988] ? SyS_mkdirat+0x30/0x30 [ 688.640723] do_syscall_64+0x29e/0x9d0 [ 688.644624] ? vmalloc_sync_all+0x30/0x30 [ 688.648790] ? _raw_spin_unlock_irq+0x27/0x70 [ 688.653310] ? finish_task_switch+0x1ca/0x820 [ 688.657834] ? syscall_return_slowpath+0x5c0/0x5c0 [ 688.662792] ? syscall_return_slowpath+0x30f/0x5c0 [ 688.667754] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 688.673154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 688.678035] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 688.683242] RIP: 0033:0x455259 [ 688.686445] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 688.694188] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 688.701492] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 688.708787] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/09 10:18:19 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x13000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:19 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000020000"], 0x38}, 0x0) 2018/04/09 10:18:19 executing program 4: r0 = gettid() exit(0x0) ioprio_get$pid(0x2, r0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x20000, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r1, 0xc0bc5351, &(0x7f0000000040)={0x2, 0x2, 'client0\x00', 0xffffffff80000003, "68008d683277017b", "a1f4885dc420572bf6516d007bc021dc14687e3512b61c99b156dd0a02147e29", 0x435, 0xb59}) 2018/04/09 10:18:19 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @random="781c38c4374b", 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffff9c, 0x84, 0x70, &(0x7f0000000140)={0x0, @in={{0x2, 0x4e21, @loopback=0x7f000001}}, [0x0, 0x3, 0x8, 0x100, 0x8, 0x0, 0x4, 0x7, 0x0, 0xbbbf, 0x401, 0x9, 0x5, 0x9, 0x4]}, &(0x7f0000000040)=0x100) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f00000000c0)={r2, 0x800}, &(0x7f0000000240)=0x8) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:19 executing program 1: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/sequencer\x00', 0x40000, 0x0) getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000100)=@assoc_value={0x0, 0x80000000}, &(0x7f0000000140)=0x8) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x101001, 0x0) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f00000000c0)={r1, 0x100}, 0x6a) pipe(&(0x7f0000000040)) r2 = syz_open_dev$sg(&(0x7f0000000080)='/dev/sg#\x00', 0x6, 0x8002) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) shmget$private(0x0, 0x2000, 0x40b, &(0x7f0000ffd000/0x2000)=nil) 2018/04/09 10:18:19 executing program 7 (fault-call:4 fault-nth:40): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:19 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r1 = socket(0x5, 0x4, 0x80ae) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f00000000c0)={0x0, @in={{0x2, 0x4e21, @multicast2=0xe0000002}}, [0x400, 0x1000000000000, 0x4, 0x0, 0x1f, 0x1, 0x0, 0x1, 0x9, 0x1, 0x81, 0x200, 0x5, 0x9, 0x400]}, &(0x7f0000000000)=0x100) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f0000000040)=0x0) getpgid(r3) setsockopt$inet_sctp_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f00000001c0)={r2, 0xfd2, 0x7e, "90c64c39668b5bc289d338f5b22739fd4bd841d7029d2e87bc7f651d435d70ccebce2daa279f2e327a5d11d1340406492c6cd55dca22e67405cce9d1aa253d1eacaf9c7d01d7063bd3bb1da09c2be19f722b095f7798f51e050024544d16b430cc0d55e87aba4cb89ef95be888b91ebfe9d138be201ff07e8e4f0d49d53a"}, 0x86) 2018/04/09 10:18:19 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) r1 = dup2(r0, r0) ioctl$TCSBRK(r1, 0x5409, 0x200) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r2, r2, &(0x7f0000000100), 0x3) [ 688.716074] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 688.723337] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000027 [ 688.731067] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 688.813635] FAULT_INJECTION: forcing a failure. [ 688.813635] name failslab, interval 1, probability 0, space 0, times 0 [ 688.825588] CPU: 0 PID: 18165 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 688.832459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 688.841846] Call Trace: [ 688.844465] dump_stack+0x1b9/0x294 [ 688.848132] ? dump_stack_print_info.cold.2+0x52/0x52 [ 688.853366] should_fail.cold.4+0xa/0x1a [ 688.857464] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:18:19 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_DAEMON(r0, 0x0, 0x487, &(0x7f0000000100), &(0x7f0000000140)=0x30) truncate(&(0x7f00000000c0)='./file0\x00', 0x2) readv(r0, &(0x7f00000025c0)=[{&(0x7f0000000180)=""/46, 0x2e}, {&(0x7f0000000280)=""/4096, 0x1000}, {&(0x7f0000001280)=""/230, 0xe6}, {&(0x7f00000001c0)=""/75, 0x4b}, {&(0x7f0000001380)=""/4096, 0x1000}, {&(0x7f0000002380)=""/97, 0x61}, {&(0x7f0000002400)=""/11, 0xb}, {&(0x7f0000002440)=""/247, 0xf7}, {&(0x7f0000002540)=""/120, 0x78}], 0x9) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x40000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/net/pfkey\x00', 0x80000, 0x0) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r2, 0x84, 0x6c, &(0x7f0000002680)={0x0}, &(0x7f00000026c0)=0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r2, 0x84, 0x6c, &(0x7f0000002700)={r3, 0x81, "efaaf599f0550607e5f63b978fc15c52a847de1b34e37e8a6a668deac8e02ecf58bd22d21f323432a70029729da6bde11e6d45bc99b8509b2c5cdcccfa508fcccf4f3ec9eed2e8f98301aed2784680a9e46ae6e47805d294fecf56a824471a4af3df6fdcd8616e796db6495e8ea8bf69c6a0eaa60321e39d57c5f2f3d5e816b85f"}, &(0x7f00000027c0)=0x89) 2018/04/09 10:18:19 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:19 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) r1 = syz_open_dev$dspn(&(0x7f00000000c0)='/dev/dsp#\x00', 0x1, 0x20000) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r1, 0xc0505405, &(0x7f0000000140)={{0xffffffffffffffff, 0x1, 0x3, 0x0, 0xfffffffffffffff7}, 0xffffffff, 0x7, 0x7fff}) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x101040, 0x0) ioctl$RNDADDTOENTCNT(r2, 0x40045201, &(0x7f0000000040)=0x100) [ 688.862606] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 688.867393] ? graph_lock+0x170/0x170 [ 688.871233] ? graph_lock+0x170/0x170 [ 688.875059] ? kasan_check_write+0x14/0x20 [ 688.879332] ? find_held_lock+0x36/0x1c0 [ 688.883438] ? __lock_is_held+0xb5/0x140 [ 688.887547] ? check_same_owner+0x320/0x320 [ 688.891890] ? cgroup_addrm_files+0x786/0xaf0 [ 688.896420] ? rcu_note_context_switch+0x710/0x710 [ 688.901386] should_failslab+0x124/0x180 [ 688.905486] kmem_cache_alloc_trace+0x2cb/0x780 [ 688.910200] blkcg_css_alloc+0xc8/0x6f0 2018/04/09 10:18:19 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x4000000}, 0x14}, 0x1}, 0x0) [ 688.914209] ? blkcg_deactivate_policy+0x510/0x510 [ 688.919180] ? __lock_is_held+0xb5/0x140 [ 688.923295] cgroup_apply_control_enable+0x52d/0xce0 [ 688.928453] ? cgroup_propagate_control+0x5a0/0x5a0 [ 688.934223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.934252] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 688.934272] ? cgroup_file_name+0x1f0/0x1f0 [ 688.934307] ? css_populate_dir+0x2a2/0x420 [ 688.934337] cgroup_mkdir+0x825/0x10d0 [ 688.934369] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 688.934391] ? put_itimerspec64+0x310/0x310 [ 688.934412] ? set_nlink+0xaf/0x140 [ 688.934429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.934449] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 688.934467] ? kernfs_get_active+0xb2/0x120 [ 688.934491] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 688.934514] kernfs_iop_mkdir+0x159/0x1e0 [ 688.934529] ? getname_flags+0xd0/0x5a0 [ 688.934552] vfs_mkdir+0x42e/0x6b0 [ 688.934574] do_mkdirat+0x266/0x2f0 [ 688.934597] ? SyS_mknod+0x40/0x40 [ 688.934619] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 688.934638] ? do_syscall_64+0xb7/0x9d0 [ 688.934659] SyS_mkdir+0x22/0x30 [ 688.934673] ? SyS_mkdirat+0x30/0x30 [ 688.934689] do_syscall_64+0x29e/0x9d0 [ 688.934702] ? vmalloc_sync_all+0x30/0x30 [ 688.934721] ? _raw_spin_unlock_irq+0x27/0x70 [ 688.934740] ? finish_task_switch+0x1ca/0x820 [ 688.934761] ? syscall_return_slowpath+0x5c0/0x5c0 [ 688.934779] ? syscall_return_slowpath+0x30f/0x5c0 [ 688.934801] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 688.934826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 688.934851] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 688.934864] RIP: 0033:0x455259 [ 688.934875] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 688.934894] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 688.934905] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 688.934916] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 688.934927] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 688.934937] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000028 2018/04/09 10:18:20 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) openat$cuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse\x00', 0x0, 0x0) r1 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x9, 0x400) ioctl$sock_bt_bnep_BNEPGETCONNINFO(r1, 0x800442d3, &(0x7f00000000c0)={0x7, 0x10001, 0x4, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, 'syzkaller1\x00'}) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000000180)={0x2, [0x0, 0x0]}, &(0x7f0000000140)=0xc) ioctl$TCSBRKP(r1, 0x5425, 0x8000) 2018/04/09 10:18:20 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:20 executing program 7 (fault-call:4 fault-nth:41): 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) 2018/04/09 10:18:20 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff}) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r0, 0x111, 0x4, 0x0, 0x4) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f0000000080)={0x0, 0x7, 0x1, [0x400]}, &(0x7f00000000c0)=0xa) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000100)={r2, 0x7fff, 0xd0}, &(0x7f0000000140)=0x8) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:20 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x2000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:20 executing program 0: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x400, 0x0) ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f0000000180)) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r2, r2, &(0x7f0000000100), 0x3) 2018/04/09 10:18:20 executing program 4: socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x100000000, 0x0) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_SET_SERVICE(r2, &(0x7f0000000300)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x188, r3, 0x100, 0x70bd2b, 0x25dfdbfd, {0x2}, [@IPVS_CMD_ATTR_SERVICE={0x64, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x53}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0xa}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x11}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e23}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x2b}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x3e, 0x1e}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5}]}, @IPVS_CMD_ATTR_DEST={0x4c, 0x2, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x6}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x9}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0xfff}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x2}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x4}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x9}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x8f}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x7}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x9}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xee}, @IPVS_CMD_ATTR_SERVICE={0x24, 0x1, [@IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e20}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x30}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e24}]}, @IPVS_CMD_ATTR_DAEMON={0x20, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'teql0\x00'}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x8001}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffffffffffff8001}, @IPVS_CMD_ATTR_DEST={0x24, 0x2, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x3}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x86}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x10000}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x2c}]}, @IPVS_CMD_ATTR_DEST={0x44, 0x2, [@IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x100000000}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0xa93}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x1}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0xfffffffffffffff9}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x8000000000000000}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x1}]}, 0x188}, 0x1, 0x0, 0x0, 0x4000000}, 0x4040004) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000000340)=0x8, 0x4) close(r0) execveat(r2, &(0x7f0000000380)='./file0\x00', &(0x7f0000000640)=[&(0x7f00000003c0)='teql0\x00', &(0x7f0000000400)='posix_acl_access@cgroup\x00', &(0x7f0000000440)='IPVS\x00', &(0x7f0000000480)='Oem0]cgroup(&vmnet0system.-\x00', &(0x7f00000004c0)='teql0\x00', &(0x7f0000000500)='proc%\x00', &(0x7f0000000540)='teql0\x00', &(0x7f0000000580)="766d6e657431f600", &(0x7f00000005c0)='\\*wlan0(\x00', &(0x7f0000000600)='IPVS\x00'], &(0x7f0000000880)=[&(0x7f00000006c0)='teql0\x00', &(0x7f0000000700)='-@-\x00', &(0x7f0000000740)='bdev\x00', &(0x7f0000000780)='IPVS\x00', &(0x7f00000007c0)='IPVS\x00', &(0x7f0000000800)='IPVS\x00', &(0x7f0000000840)='wlan0\'$vmnet0\x00'], 0x0) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) socket$nl_netfilter(0x10, 0x3, 0xc) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f00000008c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$vsock_dgram(r2, &(0x7f0000000900)={0x28, 0x0, 0x2710, @my=0x1}, 0x10) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r2, 0x84, 0x6c, &(0x7f0000000940)={0x0, 0xba, "07fd916afceeebd9ee416318a90521d59296feb02fc1128d6a3016e4d4ac3d54183de2019681b7bfde3f446ebabf85c58c0c7f88a3a0c04f83a1a02cc5630e473c530328f7adf585a9844f23f86d43c0eddb71511d3bc27fd6303d0bc897eb2f6e4d592b6b1cdd7045e60c2fd82cdbd4a1dc2b6fe9885255d37ed693e994de45aa409f092a0b5cab45db2578877f5a7e3810a322500537737effa7cff627d160fb2a927f078f79d032b3c49759c6b1d18e53ad969d8deb2802a1"}, &(0x7f0000000a40)=0xc2) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000a80)={r7, 0xffff}, &(0x7f0000000ac0)=0x8) fallocate(r5, 0x1, 0x2, 0xb91) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0x10, &(0x7f0000000b00)=@assoc_value={r8}, 0x8) r9 = add_key(&(0x7f0000000c40)='dns_resolver\x00', &(0x7f0000000c80)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000cc0)="c94e72285073e710bc1d0db72f823759f33b0b4345708739db7ca8b192d3ba657046ce97874484fa47a7ab1dc0ddff855990dbc53230602f7a36492e6efd3e887678eaef6b14ecd85f8a4b7a56f2ea227f3a743c5dd68afa9554c5c0d9ce1dbbb47243b54a29c67080b6b5422115dd3837414f2d8d0f1a25d58a7bd9b3b1f79db7133897461745eff4bef706cdcef6a28ddef81057ae83a75be5c8", 0x9b, 0xfffffffffffffff9) add_key$user(&(0x7f0000000b40)='user\x00', &(0x7f0000000b80)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000bc0)="47cefc9077da9b4b3e6ed92d38402a3ad60065e81c52a434733296de8b47cbac951a2e5f06566219f306390434f8c9ac7264c47d549ba9173782046566e35b75011be51cfaef6bd5af56eae0df", 0x4d, r9) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000d80)=0x0) fcntl$lock(r5, 0x7, &(0x7f0000000dc0)={0x2, 0x1, 0x9, 0xea42, r10}) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r2, 0x84, 0x17, &(0x7f0000000e00)={r7, 0x81}, 0x8) ioctl$FUSE_DEV_IOC_CLONE(r2, 0x8004e500, &(0x7f0000000e40)=r2) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f0000000e80), &(0x7f0000000ec0)=0x4) setsockopt$inet_sctp_SCTP_RECVNXTINFO(r2, 0x84, 0x21, &(0x7f0000000f00)=0x401, 0x4) fcntl$getownex(r6, 0x10, &(0x7f0000000f40)) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(r4, 0x84, 0x15, &(0x7f0000000f80)={0x800}, 0x1) add_key(&(0x7f0000000fc0)='trusted\x00', &(0x7f0000001000)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, r9) sendmsg$IPVS_CMD_NEW_DEST(r0, &(0x7f0000001140)={&(0x7f0000001040)={0x10, 0x0, 0x0, 0x4000100}, 0xc, &(0x7f0000001100)={&(0x7f0000001080)={0x44, r3, 0x520, 0x70bd26, 0x25dfdbfd, {0x5}, [@IPVS_CMD_ATTR_DAEMON={0x24, 0x3, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x8000}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x5d}]}, @IPVS_CMD_ATTR_DEST={0x4, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xff}]}, 0x44}, 0x1, 0x0, 0x0, 0x8001}, 0xc000) ioctl$EVIOCSABS2F(r2, 0x401845ef, &(0x7f0000001180)={0x3, 0x2, 0x9, 0x9000, 0x2b, 0xfffffffffffffff8}) getrlimit(0x0, &(0x7f00000011c0)) bind$netrom(r2, &(0x7f0000001200)=@ax25={0x3, {"ae63d5fbaee9c3"}, 0x5}, 0x10) 2018/04/09 10:18:20 executing program 5: r0 = 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, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000000)={0x7, r0}) ioctl$DRM_IOCTL_ADD_CTX(r2, 0xc0086420, &(0x7f0000000040)) bind$vsock_dgram(r2, &(0x7f00000015c0)={0x28, 0x0, 0x2711, @my=0x1}, 0x10) vmsplice(r2, &(0x7f0000001380)=[{&(0x7f0000001440)="9a74c2421790f261fa18b700e92665e20e1768cf3d192d1573ac94ca4bd635936e6743c72ca127de3b6b1745ee17e76d0769af8736e11eb75e20d139cb1e30608723a2726a3c13b9756a068c45d92b75bb6e9968a188d35fe6b4d791ec0b992e6ffbcb24", 0x64}, {&(0x7f00000014c0)="3f4b7e96805438a18b33385fab2b6daa73819bb92c26b5c8d6226ccfc483f63458055680f64c1989f2c71f6c706968a87ef211da91f797c1b0f2684918fa7c585d4a2f62976cc8014ffb3912fafc67496df53dc2134cabf71f694b99de2fa7c322fd945c68dbedcd3161c921a477e8fa5f8ecf9e71daabd125f3a850d4f5621ff82a4224c65087dd03a695213cd0205ad250515969837e001682980ebd873e985e27d9eb0155486cd8eac5fc67e3d28271998d0d12512b9a400c4f5077529268468cc445a159edf1105c76a76245f1b0e50d6b6f5e37bf", 0xd7}], 0x2, 0xb) vmsplice(r2, &(0x7f00000013c0)=[{&(0x7f00000000c0)="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0x1000}, {&(0x7f00000010c0)="5b402dac21f33fc9c6186e2cdf394b8e3cd0225add13fa18d5c22afac34cb72c34e56a9d5ccb0cf0f75ef878b1cf6303485b8359cd414756de2e5ce4648cbc7fd1056849a2b4bd61fd129d191653cb2606bc717607be404da2d3a5b4b17ba9c70c4bda6003cb8e5896aff03a5f09728414a1404c5aae2302a2ec23b8d88c82ece241cab656698920fabaef7112", 0x8d}, {&(0x7f0000001180)="166fee641315147506b614e6578b0e1e79569d", 0x13}, 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0x1000}, {&(0x7f00000011c0)="9835932fc255793d4ee21f98cc6411830f95773e0496e425eb36db923b92f2dcc4ae989a70955c1095fa1975c9f63c0a49eea0f6b47e5a4c4b22", 0x3a}, {&(0x7f0000001200)="8edebccd5dc96b3722bb3e6fff30a646f85ac03fa06061f220906ae0a72c13f99a2bb019a76c4260eac22a2d5eaed2f5c423a63926e238fa02298343e58c34f21f7a72c439b6ed269230e8c7e104ae8336eac9a46bdbd861662f88d3defdcb166d38cefba0d90a6cafad88cf7ae0fb54d43a7882e546d08d5420ab8a3fa80c7bf6cfd5bee0f610f559a39a6674babe5d823cffa055a1314561ba1e8f23fa29049d5bb6e600d6b19cdf055991b748ae153c544e17dee2c4c42c326e1420bed3badb8c45a900c567107b59c9eac4a5411408aae042be3a8c12c6bffcc0ce83a4c244bbf946f46bb92e7483b84e726f", 0xee}, {&(0x7f0000001300)="0cd21a51910f57ed1c10185ac751aaff00c80ba6d90ff533260b93b8bca922f53fe5d01606ae6d5249e5afb13ccf0f88bbad5234a9667352153aa299c3df9f19de482efab83a85cdc3e794470b518691a1f85ca681451ba1ff85042ede7bf4a04449", 0x62}, {&(0x7f0000001380)}], 0x8, 0x2) fdatasync(r0) unlinkat(r2, &(0x7f0000001600)='./file0\x00', 0x0) [ 689.867454] FAULT_INJECTION: forcing a failure. [ 689.867454] name failslab, interval 1, probability 0, space 0, times 0 [ 689.878829] CPU: 0 PID: 18207 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 689.885692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 689.895069] Call Trace: [ 689.897685] dump_stack+0x1b9/0x294 [ 689.901346] ? dump_stack_print_info.cold.2+0x52/0x52 [ 689.906564] ? unwind_get_return_address+0x61/0xa0 [ 689.911535] should_fail.cold.4+0xa/0x1a 2018/04/09 10:18:20 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:20 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r0 = syz_open_dev$audion(&(0x7f0000000100)='/dev/audio#\x00', 0x36c2, 0x40) ioctl$TIOCGWINSZ(r0, 0x5413, &(0x7f0000000140)) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0xffffffffffffffff, 0x0, 0x4000000000, 0x7fffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$bt_BT_VOICE(r1, 0x112, 0xb, &(0x7f00000000c0)=0x5, 0x2) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) syz_open_dev$adsp(&(0x7f0000000080)='/dev/adsp#\x00', 0x8, 0x400) [ 689.915627] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 689.920763] ? save_stack+0x43/0xd0 [ 689.924409] ? kasan_kmalloc+0xc4/0xe0 [ 689.928330] ? graph_lock+0x170/0x170 [ 689.932154] ? kernfs_iop_mkdir+0x159/0x1e0 [ 689.936506] ? vfs_mkdir+0x42e/0x6b0 [ 689.940241] ? do_mkdirat+0x266/0x2f0 [ 689.944060] ? SyS_mkdir+0x22/0x30 [ 689.947625] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 689.953138] ? find_held_lock+0x36/0x1c0 [ 689.957236] ? __lock_is_held+0xb5/0x140 [ 689.961344] ? check_same_owner+0x320/0x320 [ 689.965702] ? rcu_note_context_switch+0x710/0x710 [ 689.970658] ? __lock_is_held+0xb5/0x140 [ 689.974739] should_failslab+0x124/0x180 [ 689.978814] kmem_cache_alloc_trace+0x2cb/0x780 [ 689.983495] ? rcu_read_lock_sched_held+0x108/0x120 [ 689.988518] ? kmem_cache_alloc_trace+0x616/0x780 [ 689.993374] cfq_cpd_alloc+0x5f/0xa0 [ 689.997087] blkcg_css_alloc+0x165/0x6f0 [ 690.001145] ? cfqg_set_weight_device+0x40/0x40 [ 690.005818] ? blkcg_deactivate_policy+0x510/0x510 [ 690.010761] ? __lock_is_held+0xb5/0x140 [ 690.014839] cgroup_apply_control_enable+0x52d/0xce0 [ 690.019961] ? cgroup_propagate_control+0x5a0/0x5a0 [ 690.024983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.030528] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 690.035030] ? cgroup_file_name+0x1f0/0x1f0 [ 690.039362] ? css_populate_dir+0x2a2/0x420 [ 690.043702] cgroup_mkdir+0x825/0x10d0 [ 690.047601] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 690.052356] ? put_itimerspec64+0x310/0x310 [ 690.056682] ? set_nlink+0xaf/0x140 [ 690.060316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.065858] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 690.071395] ? kernfs_get_active+0xb2/0x120 [ 690.075721] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 690.080481] kernfs_iop_mkdir+0x159/0x1e0 [ 690.084626] ? getname_flags+0xd0/0x5a0 [ 690.088604] vfs_mkdir+0x42e/0x6b0 [ 690.092160] do_mkdirat+0x266/0x2f0 [ 690.095788] ? SyS_mknod+0x40/0x40 [ 690.099332] ? ksys_mount+0xa8/0x140 [ 690.103048] ? do_syscall_64+0xb7/0x9d0 [ 690.107035] SyS_mkdir+0x22/0x30 [ 690.110399] ? SyS_mkdirat+0x30/0x30 [ 690.114110] do_syscall_64+0x29e/0x9d0 [ 690.117996] ? vmalloc_sync_all+0x30/0x30 [ 690.122152] ? _raw_spin_unlock_irq+0x27/0x70 [ 690.126646] ? finish_task_switch+0x1ca/0x820 [ 690.131145] ? syscall_return_slowpath+0x5c0/0x5c0 [ 690.136076] ? syscall_return_slowpath+0x30f/0x5c0 [ 690.141016] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 690.146397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 690.151251] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 690.156437] RIP: 0033:0x455259 [ 690.159632] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 690.167340] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 690.174604] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 690.181867] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 690.189132] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 690.196410] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000029 [ 690.208090] sctp: [Deprecated]: syz-executor4 (pid 18212) Use of struct sctp_assoc_value in delayed_ack socket option. 2018/04/09 10:18:21 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r1 = shmget(0x3, 0x2000, 0x120, &(0x7f0000ffd000/0x2000)=nil) shmget$private(0x0, 0x3000, 0x54000908, &(0x7f0000ffb000/0x3000)=nil) shmctl$SHM_STAT(r1, 0xd, &(0x7f00000000c0)=""/182) [ 690.208090] Use struct sctp_sack_info instead 2018/04/09 10:18:21 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x300}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:21 executing program 7 (fault-call:4 fault-nth:42): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:21 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x48, &(0x7f0000000000), 0x0, &(0x7f0000001580)}, 0x100000000) 2018/04/09 10:18:21 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) [ 690.312312] sctp: [Deprecated]: syz-executor4 (pid 18233) Use of struct sctp_assoc_value in delayed_ack socket option. [ 690.312312] Use struct sctp_sack_info instead [ 690.349961] FAULT_INJECTION: forcing a failure. [ 690.349961] name failslab, interval 1, probability 0, space 0, times 0 2018/04/09 10:18:21 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xc00}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:21 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0xfffffffffffffd77) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000140)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 690.361330] CPU: 0 PID: 18242 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 690.368185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 690.377560] Call Trace: [ 690.380191] dump_stack+0x1b9/0x294 [ 690.383851] ? dump_stack_print_info.cold.2+0x52/0x52 [ 690.389063] ? __save_stack_trace+0x7e/0xd0 [ 690.393426] should_fail.cold.4+0xa/0x1a [ 690.397529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 690.402657] ? kasan_kmalloc+0xc4/0xe0 [ 690.406574] ? kmem_cache_alloc_trace+0x152/0x780 2018/04/09 10:18:21 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x34000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:21 executing program 4: perf_event_open(&(0x7f0000220000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)=@ipv6_getaddr={0x18, 0x16, 0x109, 0x0, 0x0, {0xa}}, 0xfffffffffffffd6e}, 0x1}, 0x0) [ 690.411460] ? cfq_cpd_alloc+0x5f/0xa0 [ 690.415374] ? blkcg_css_alloc+0x165/0x6f0 [ 690.419631] ? cgroup_apply_control_enable+0x52d/0xce0 [ 690.424933] ? graph_lock+0x170/0x170 [ 690.428751] ? SyS_mkdir+0x22/0x30 [ 690.432308] ? do_syscall_64+0x29e/0x9d0 [ 690.436393] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 690.441779] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 690.447183] ? find_held_lock+0x36/0x1c0 [ 690.451280] ? __lock_is_held+0xb5/0x140 [ 690.455386] ? check_same_owner+0x320/0x320 2018/04/09 10:18:21 executing program 5: r0 = socket$netlink(0x10, 0x3, 0xfffffffffffffffd) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_inet_tcp_SIOCOUTQNSD(r1, 0x894b, &(0x7f00000000c0)) writev(r0, &(0x7f0000000040)=[{&(0x7f00006bb000)="4800000014001900ce0000000000000002113b850e1de0974881000000fe09a2bc4a58049164643e89000000de213ee20700000000000000005bff2b000000000000070000000000", 0x48}], 0x1) 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, 0x0, 0xffffffffffffffff, 0x0) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r2, 0x80047437, &(0x7f0000000100)) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000240)='rose0\x00', 0x10) sendmsg$netrom(r2, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) r3 = semget(0x1, 0x0, 0x80) semctl$SEM_INFO(r3, 0x1, 0x13, &(0x7f0000000140)=""/241) 2018/04/09 10:18:21 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x300000000000000}, 0x14}, 0x1}, 0x0) [ 690.459740] ? rcu_note_context_switch+0x710/0x710 [ 690.464708] should_failslab+0x124/0x180 [ 690.468799] kmem_cache_alloc_trace+0x2cb/0x780 [ 690.473493] ? rcu_read_lock_sched_held+0x108/0x120 [ 690.478536] ? kmem_cache_alloc_trace+0x616/0x780 [ 690.483414] bfq_cpd_alloc+0x5f/0xa0 [ 690.487154] blkcg_css_alloc+0x165/0x6f0 [ 690.491238] ? bfq_pd_alloc+0xf0/0xf0 [ 690.495064] ? blkcg_deactivate_policy+0x510/0x510 [ 690.500023] ? __lock_is_held+0xb5/0x140 [ 690.504138] cgroup_apply_control_enable+0x52d/0xce0 [ 690.509287] ? cgroup_propagate_control+0x5a0/0x5a0 [ 690.514326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.519885] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 690.524400] ? cgroup_file_name+0x1f0/0x1f0 [ 690.528763] ? css_populate_dir+0x2a2/0x420 [ 690.533118] cgroup_mkdir+0x825/0x10d0 [ 690.537043] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 690.541822] ? put_itimerspec64+0x310/0x310 [ 690.546195] ? set_nlink+0xaf/0x140 [ 690.549847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.555412] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 690.560978] ? kernfs_get_active+0xb2/0x120 [ 690.565330] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 690.570118] kernfs_iop_mkdir+0x159/0x1e0 [ 690.574283] ? getname_flags+0xd0/0x5a0 [ 690.578292] vfs_mkdir+0x42e/0x6b0 [ 690.581858] do_mkdirat+0x266/0x2f0 [ 690.585507] ? SyS_mknod+0x40/0x40 [ 690.589066] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 690.593934] ? do_syscall_64+0xb7/0x9d0 [ 690.597924] SyS_mkdir+0x22/0x30 [ 690.601303] ? SyS_mkdirat+0x30/0x30 [ 690.605036] do_syscall_64+0x29e/0x9d0 [ 690.608941] ? vmalloc_sync_all+0x30/0x30 2018/04/09 10:18:21 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) openat$cgroup_int(r0, &(0x7f0000000000)='cgroup.max.depth\x00', 0x2, 0x0) 2018/04/09 10:18:21 executing program 4: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx\x00', 0x8001, 0x0) perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x400000000e) ioctl$TCFLSH(r0, 0x540b, 0x1) ioctl$sock_inet_SIOCDARP(0xffffffffffffffff, 0x8953, &(0x7f0000000140)={{0x2, 0x0, @multicast1=0xe0000001}, {0x0, @link_local={0x1, 0x80, 0xc2}}, 0x0, {0x2}, 'bridge0\x00'}) 2018/04/09 10:18:21 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x1000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:21 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f00000001c0)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) getsockopt$EBT_SO_GET_INIT_INFO(r0, 0x0, 0x82, &(0x7f0000000040)={'nat\x00'}, &(0x7f00000000c0)=0x78) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:21 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f00000003c0)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) syz_mount_image$xfs(&(0x7f0000000000)='xfs\x00', &(0x7f0000000040)='./file0\x00', 0x1, 0x3, &(0x7f00000002c0)=[{&(0x7f00000000c0)="60066ded4a", 0x5}, {&(0x7f0000000140)="a08251394e7d1e751c34792d26f0995a94f846d41e3a3927af51dd4ad742524a9891a1924861cbf5dfc488600fa380e42f7ea68978e930e0c8edbb19fb51a16df95d10fea29d999353090a6e406a9a29f6e3e3b7961961443fcbfad4ab558302f8fce6b807b5c16c809cea0bd0008e0b7b67d5dad08be6eebf6f080e93e1cd9315f14f65117f6250ce39e5070cca6dd3452c60373aaad9422220", 0x9a, 0xba74}, {&(0x7f0000000200)="51041c6c36eb14895754138541e3af6ccd9020c9b3cfebc7a68ce4cdafa5ad685aa1d846a9da717885383589ad34913dedb8c279935aad8f7e993f5eb98c001bfbbb4963c6a9211359ecc7688ebdefaf87bcab49a950510dc0fba087b962b50e3408ca8febdef65fc4618a34fc6aa3f5b037777e03ebd3ea07d2c2be4d3c491bca81593252f176a39b5f2055f02db3dd6269bc9d45301ef2e38ea39767c78c63", 0xa0, 0x4}], 0x801480, &(0x7f0000000340)={'nouuid,', {[{@gqnoenforce='gqnoenforce', 0x2c}, {@grpid='grpid', 0x2c}, {@nogrpid='nogrpid', 0x2c}, {@noalign='noalign', 0x2c}, {@mtpt='mtpt', 0x2c}, {@mtpt='mtpt', 0x2c}, {@nogrpid='nogrpid', 0x2c}, {@largeio='largeio', 0x2c}, {@prjquota='prjquota', 0x2c}, {@ikeep='ikeep', 0x2c}]}}) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x400000, 0x0) getpeername$packet(r1, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000440)=0x14) [ 690.613110] ? _raw_spin_unlock_irq+0x27/0x70 [ 690.617629] ? finish_task_switch+0x1ca/0x820 [ 690.622158] ? syscall_return_slowpath+0x5c0/0x5c0 [ 690.627125] ? syscall_return_slowpath+0x30f/0x5c0 [ 690.632086] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 690.637486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 690.642363] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 690.647567] RIP: 0033:0x455259 [ 690.650769] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 690.658506] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 690.665793] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 690.673068] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 690.680343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 690.687609] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000002a 2018/04/09 10:18:21 executing program 6: r0 = syz_open_dev$mouse(&(0x7f0000000400)='/dev/input/mouse#\x00', 0x20000ffd6, 0x4801) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffff9c, 0x84, 0x7b, &(0x7f0000000180)={0x0}, &(0x7f00000001c0)=0x8) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000200)=ANY=[@ANYRES32=r1, @ANYBLOB="86000000deefb8e9f7b69549af3f0000009c8975bb6fea835b8017fd460e87125ac670e0ee4ced921fc9cd03db5b7fa1d74bd2d583d05fcdaae78b124780801344de43de2067b2f18f473aff21030000000000000063cad0a661d1a11d1e9199a903aef06e9e32803b8f10592c09a0bff71b2317c37fb7ffbc000073b9cafcb03a9f02e2fc8310f6c8b8ed15ac164ff4fc9c22d3a6b60348d1ca4fb20fb607d3eca499"], &(0x7f00000002c0)=0x8e) r2 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r2, 0x1, 0xe, &(0x7f0000000080), 0x4) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rfkill\x00', 0x101000, 0x0) getsockopt$bt_rfcomm_RFCOMM_CONNINFO(r2, 0x12, 0x2, &(0x7f0000000000)=""/86, &(0x7f00000000c0)=0x56) 2018/04/09 10:18:21 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xd00}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:21 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000100)={0x0, @in={{0x2, 0x4e21, @rand_addr=0x9b73}}, 0x4, 0x7, 0x0, 0x10001, 0x4}, &(0x7f00000001c0)=0x98) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r2, 0x84, 0x1b, &(0x7f0000000280)=ANY=[@ANYRES32=r3, @ANYBLOB="41000000ab26a52c0e1ba2b021017fd73dd41a8d60593e9e99787cb9826684014e0b9b1a7bdd445fe4a2c16ae6ff56938de2cff6396ab3cd1e6b8e000000000000000000d6"], &(0x7f0000000200)=0x49) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r2, 0xc0045516, &(0x7f0000000080)=0x1) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f00000000c0)=[@in6={0xa, 0x4e22, 0xfffffffffffffff7, @mcast1={0xff, 0x1, [], 0x1}, 0x5}, @in={0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, @in={0x2, 0x4e22, @rand_addr=0x4}], 0x3c) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:21 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) accept4(r0, 0x0, &(0x7f0000000140), 0x800) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) r1 = creat(&(0x7f0000000000)='./file0\x00', 0x1a0) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000040)=0x0) ioctl$TIOCSPGRP(r1, 0x5410, &(0x7f00000000c0)=r2) 2018/04/09 10:18:21 executing program 7 (fault-call:4 fault-nth:43): 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) 2018/04/09 10:18:21 executing program 4: mkdir(&(0x7f000063543e)='./file0\x00', 0x0) munmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000) mount(&(0x7f00008bcff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x5000, 0x0) pivot_root(&(0x7f0000001480)='./file0\x00', &(0x7f0000001400)='.') 2018/04/09 10:18:21 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.weight\x00', 0x2, 0x0) memfd_create(&(0x7f0000000000)='cpu.weight\x00', 0x1) sendfile(r1, r1, &(0x7f0000000100), 0x3) 2018/04/09 10:18:21 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:21 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x1300000000000000}, 0x14}, 0x1}, 0x0) [ 690.944317] FAULT_INJECTION: forcing a failure. [ 690.944317] name failslab, interval 1, probability 0, space 0, times 0 [ 690.955749] CPU: 0 PID: 18305 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 690.962617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 690.971992] Call Trace: [ 690.974603] dump_stack+0x1b9/0x294 [ 690.978255] ? dump_stack_print_info.cold.2+0x52/0x52 [ 690.983474] ? __save_stack_trace+0x7e/0xd0 [ 690.987836] should_fail.cold.4+0xa/0x1a 2018/04/09 10:18:21 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000200"], 0x38}, 0x0) [ 690.991927] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 690.997059] ? kasan_kmalloc+0xc4/0xe0 [ 691.000977] ? kmem_cache_alloc_trace+0x152/0x780 [ 691.005848] ? cfq_cpd_alloc+0x5f/0xa0 [ 691.009757] ? blkcg_css_alloc+0x165/0x6f0 [ 691.014020] ? cgroup_apply_control_enable+0x52d/0xce0 [ 691.019353] ? graph_lock+0x170/0x170 [ 691.023270] ? SyS_mkdir+0x22/0x30 [ 691.026835] ? do_syscall_64+0x29e/0x9d0 [ 691.030919] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 691.036310] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 2018/04/09 10:18:21 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:21 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x1000000000000000}, 0x14}, 0x1}, 0x0) [ 691.041723] ? find_held_lock+0x36/0x1c0 [ 691.045829] ? __lock_is_held+0xb5/0x140 [ 691.049944] ? check_same_owner+0x320/0x320 [ 691.054294] ? rcu_note_context_switch+0x710/0x710 [ 691.059261] should_failslab+0x124/0x180 [ 691.063351] kmem_cache_alloc_trace+0x2cb/0x780 [ 691.068043] ? rcu_read_lock_sched_held+0x108/0x120 [ 691.073089] ? kmem_cache_alloc_trace+0x616/0x780 [ 691.077970] bfq_cpd_alloc+0x5f/0xa0 [ 691.081715] blkcg_css_alloc+0x165/0x6f0 [ 691.085803] ? bfq_pd_alloc+0xf0/0xf0 [ 691.089632] ? blkcg_deactivate_policy+0x510/0x510 2018/04/09 10:18:21 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) [ 691.094592] ? __lock_is_held+0xb5/0x140 [ 691.098697] cgroup_apply_control_enable+0x52d/0xce0 [ 691.103842] ? cgroup_propagate_control+0x5a0/0x5a0 [ 691.108877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.114477] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 691.118998] ? cgroup_file_name+0x1f0/0x1f0 [ 691.123361] ? css_populate_dir+0x2a2/0x420 [ 691.127710] cgroup_mkdir+0x825/0x10d0 [ 691.131630] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 691.136411] ? put_itimerspec64+0x310/0x310 [ 691.140765] ? set_nlink+0xaf/0x140 2018/04/09 10:18:21 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xf000000}, 0x14}, 0x1}, 0x0) [ 691.144411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.149978] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 691.155540] ? kernfs_get_active+0xb2/0x120 [ 691.159882] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 691.164661] kernfs_iop_mkdir+0x159/0x1e0 [ 691.168822] ? getname_flags+0xd0/0x5a0 [ 691.172821] vfs_mkdir+0x42e/0x6b0 [ 691.176389] do_mkdirat+0x266/0x2f0 [ 691.180042] ? SyS_mknod+0x40/0x40 [ 691.183603] ? ksys_mount+0xa8/0x140 [ 691.187336] ? do_syscall_64+0xb7/0x9d0 [ 691.191329] SyS_mkdir+0x22/0x30 2018/04/09 10:18:21 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:22 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x8100}, 0x14}, 0x1}, 0x0) [ 691.194712] ? SyS_mkdirat+0x30/0x30 [ 691.198449] do_syscall_64+0x29e/0x9d0 [ 691.202357] ? vmalloc_sync_all+0x30/0x30 [ 691.206538] ? _raw_spin_unlock_irq+0x27/0x70 [ 691.211046] ? finish_task_switch+0x1ca/0x820 [ 691.215563] ? syscall_return_slowpath+0x5c0/0x5c0 [ 691.220513] ? syscall_return_slowpath+0x30f/0x5c0 [ 691.225468] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 691.230864] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 691.235745] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 691.240949] RIP: 0033:0x455259 [ 691.244148] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 691.251876] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 691.259161] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 691.267144] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 691.274441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 691.281725] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000002b 2018/04/09 10:18:22 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x7ff, 0x4002) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r1, 0x6, 0x21, &(0x7f0000000040)="6889f8ca1af61cc1f301a5f15147a6d9", 0x10) socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) 2018/04/09 10:18:22 executing program 4: ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000000)=0x0) ptrace$cont(0xffffffffffffffff, r0, 0x6, 0xfffffffffffffffe) r1 = accept4$ax25(0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000080)=0x10, 0x0) ioctl$sock_inet_SIOCGIFPFLAGS(r1, 0x8935, &(0x7f00000000c0)={'irlan0\x00', 0x7}) socket$inet6_sctp(0xa, 0x1, 0x84) 2018/04/09 10:18:22 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x1200}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:22 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) r1 = syz_open_dev$dspn(&(0x7f00000001c0)='/dev/dsp#\x00', 0xffffffffffffff49, 0x8fffe) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r1, 0x10e, 0x2, &(0x7f0000000040)=0x1b, 0x4) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:22 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000680)='cpu.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) r2 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x7, 0x0) ioctl$LOOP_CHANGE_FD(r2, 0x4c06, r2) setsockopt$IPT_SO_SET_REPLACE(r2, 0x0, 0x40, &(0x7f0000000180)=@nat={'nat\x00', 0x1b, 0x5, 0x470, 0x0, 0x0, 0xffffffff, 0x308, 0xd0, 0x3d8, 0x3d8, 0xffffffff, 0x3d8, 0x3d8, 0x5, &(0x7f0000000080), {[{{@ip={@local={0xac, 0x14, 0x14, 0xaa}, @multicast2=0xe0000002, 0x0, 0xffffffff, 'vcan0\x00', 'irlan0\x00', {}, {}, 0x67, 0x2, 0x31}, 0x0, 0x98, 0xd0}, @REDIRECT={0x38, 'REDIRECT\x00', 0x0, {0x1, {0x8, @empty, @rand_addr=0x310000000000000, @icmp_id=0x68, @gre_key=0x8}}}}, {{@uncond, 0x0, 0xc8, 0x100, 0x0, {}, [@common=@ah={0x30, 'ah\x00', 0x0, {0x5, 0x4}}]}, @SNAT0={0x38, 'SNAT\x00', 0x0, {0x1, {0x3, @broadcast=0xffffffff, @multicast1=0xe0000001, @port=0x4e23, @icmp_id=0x67}}}}, {{@uncond, 0x0, 0xd8, 0x138, 0x0, {}, [@common=@set={0x40, 'set\x00', 0x0, {{0xfffffffffffffaf0, [0x80000001, 0x2, 0x8, 0x7, 0x3, 0x2], 0x3, 0x3, 0xff}}}]}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x1, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], 0x8, 0x5, [0x30, 0x37, 0x3f, 0xf, 0x1, 0x1c, 0x3e, 0xa, 0x18, 0x12, 0x39, 0x1, 0x1e, 0x7, 0x0, 0x31], 0x2, 0x80, 0xcb7}}}, {{@uncond, 0x0, 0x98, 0xd0}, @NETMAP={0x38, 'NETMAP\x00', 0x0, {0x1, {0x4, @loopback=0x7f000001, @broadcast=0xffffffff, @gre_key=0x8, @gre_key=0x6}}}}], {{[], 0x0, 0x70, 0x98}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x4d0) 2018/04/09 10:18:22 executing program 7 (fault-call:4 fault-nth:44): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:22 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:22 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TCSBRKP(r0, 0x5425, 0x7) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) fcntl$F_SET_RW_HINT(r1, 0x40c, &(0x7f0000000080)=0x5) [ 691.464475] FAULT_INJECTION: forcing a failure. [ 691.464475] name failslab, interval 1, probability 0, space 0, times 0 [ 691.475949] CPU: 0 PID: 18374 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 691.482912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 691.492337] Call Trace: [ 691.494951] dump_stack+0x1b9/0x294 [ 691.498610] ? dump_stack_print_info.cold.2+0x52/0x52 [ 691.503845] should_fail.cold.4+0xa/0x1a [ 691.507934] ? kstrdup_const+0x66/0x80 [ 691.511847] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 691.516973] ? cgroup_mkdir+0x825/0x10d0 [ 691.521054] ? vfs_mkdir+0x42e/0x6b0 [ 691.524784] ? do_mkdirat+0x266/0x2f0 [ 691.528601] ? SyS_mkdir+0x22/0x30 [ 691.532163] ? do_syscall_64+0x29e/0x9d0 [ 691.536267] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 691.541652] ? graph_lock+0x170/0x170 [ 691.545474] ? find_held_lock+0x36/0x1c0 [ 691.549574] ? find_held_lock+0x36/0x1c0 [ 691.553694] ? __lock_is_held+0xb5/0x140 [ 691.557805] ? check_same_owner+0x320/0x320 2018/04/09 10:18:22 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:22 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) ioctl$KVM_GET_DEBUGREGS(r0, 0x8080aea1, &(0x7f0000000080)) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:22 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800000000000000}, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x15, 0x5, 0x0) bind$inet(r0, &(0x7f0000000100)={0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) sendmsg(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), 0x0, 0x0, 0xdc}, 0x0) connect$inet(r0, &(0x7f0000000040)={0x2, 0x2, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ppp\x00', 0x200200, 0x0) setsockopt$RDS_CANCEL_SENT_TO(r1, 0x114, 0x1, &(0x7f00000000c0)={0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) [ 691.562156] ? rcu_note_context_switch+0x710/0x710 [ 691.567111] ? rcu_read_lock_sched_held+0x108/0x120 [ 691.572157] should_failslab+0x124/0x180 [ 691.576248] kmem_cache_alloc+0x2af/0x760 [ 691.580418] ? memcpy+0x45/0x50 [ 691.583723] ? kstrdup+0x59/0x70 [ 691.587122] __kernfs_new_node+0xe7/0x580 [ 691.591298] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 691.596082] ? pointer+0xa20/0xa20 [ 691.599651] ? graph_lock+0x170/0x170 [ 691.603487] ? snprintf+0xa5/0xd0 [ 691.606961] ? vsprintf+0x40/0x40 2018/04/09 10:18:22 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) socketpair(0x1f, 0x80f, 0xffffffffffffff00, &(0x7f0000000000)) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:22 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x8100000000000000}, 0x14}, 0x1}, 0x0) [ 691.610441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.616009] kernfs_new_node+0x80/0xf0 [ 691.619955] __kernfs_create_file+0x4d/0x330 [ 691.624391] cgroup_addrm_files+0x437/0xaf0 [ 691.628752] ? cgroup_css.part.14+0x1f0/0x1f0 [ 691.633260] ? find_held_lock+0x36/0x1c0 [ 691.637359] ? __lock_is_held+0xb5/0x140 [ 691.641449] ? kasan_check_write+0x14/0x20 [ 691.645694] ? online_css+0x259/0x330 [ 691.649513] css_populate_dir+0x1a8/0x420 [ 691.653692] cgroup_apply_control_enable+0x43b/0xce0 [ 691.658832] ? cgroup_propagate_control+0x5a0/0x5a0 [ 691.663866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.669428] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 691.673942] ? cgroup_file_name+0x1f0/0x1f0 [ 691.678305] ? css_populate_dir+0x2a2/0x420 [ 691.682652] cgroup_mkdir+0x825/0x10d0 [ 691.686578] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 691.691354] ? put_itimerspec64+0x310/0x310 [ 691.695705] ? set_nlink+0xaf/0x140 [ 691.699350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.704911] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 691.710468] ? kernfs_get_active+0xb2/0x120 2018/04/09 10:18:22 executing program 4: r0 = socket(0x10, 0x802, 0x0) sendmsg$rds(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000000)=""/11, 0xb}, {&(0x7f0000000440)=""/4096, 0x1000}], 0x2, 0x0, 0x0, 0x8041}, 0x20000800) sendmsg$nl_route(r0, &(0x7f0000001680)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000001640)={&(0x7f00000003c0)=ANY=[@ANYBLOB="4c00000013000b05000000000000000000020000", @ANYRES32=0x0, @ANYBLOB="000000000000000004002b001400140065727370616e300000000000000000001400030065727370616e30000000000000000000"], 0x4c}, 0x1}, 0x0) 2018/04/09 10:18:22 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xf00000000000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:22 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8003) setsockopt$inet_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f00000001c0)={0x3, [0x6e, 0x200, 0x4]}, 0xa) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0xc0f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2, 0x4e21}}, 0x1, 0xe80, 0x1, 0x1f, 0x82}, &(0x7f0000000140)=0x98) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000180)={r2, 0x1}, 0x8) [ 691.714806] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 691.719581] kernfs_iop_mkdir+0x159/0x1e0 [ 691.723741] ? getname_flags+0xd0/0x5a0 [ 691.727738] vfs_mkdir+0x42e/0x6b0 [ 691.731298] do_mkdirat+0x266/0x2f0 [ 691.734951] ? SyS_mknod+0x40/0x40 [ 691.738517] ? ksys_mount+0xa8/0x140 [ 691.742255] ? do_syscall_64+0xb7/0x9d0 [ 691.746252] SyS_mkdir+0x22/0x30 [ 691.749636] ? SyS_mkdirat+0x30/0x30 [ 691.753369] do_syscall_64+0x29e/0x9d0 [ 691.757277] ? vmalloc_sync_all+0x30/0x30 [ 691.761450] ? _raw_spin_unlock_irq+0x27/0x70 [ 691.765966] ? finish_task_switch+0x1ca/0x820 [ 691.770488] ? syscall_return_slowpath+0x5c0/0x5c0 [ 691.775462] ? syscall_return_slowpath+0x30f/0x5c0 [ 691.780429] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 691.785823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 691.790697] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 691.795897] RIP: 0033:0x455259 [ 691.799092] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 691.806825] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 691.814111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 691.821397] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 691.828690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 691.835974] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000002c [ 691.843854] cgroup: cgroup_addrm_files: failed to add stat, err=-12 2018/04/09 10:18:22 executing program 6: socket$key(0xf, 0x3, 0x2) r0 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x4, 0x208402) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_SET_SERVICE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000020}, 0xc, &(0x7f0000000180)={&(0x7f0000000440)=ANY=[@ANYBLOB="33a7a323960234cb74d370589d2aa0cf6478300f354fbd73ebbe7fe1f7c5250ce174bf578718e3ffc169162706db7d7f4bc40b03d7718f2b4667304f39e77354bdd08f289401cc083d5ec2e93ed7a639a4a4fb4c3683df56cbb65a0355ad606a650a5e82d55139d9a0622a59f09d647bbadf13ab2b6ecac742bfa3aa4b5e21a6563a9b1ab1a83bc6", @ANYRES16=r1, @ANYBLOB="00082dbd7000fedbdf250200000008000600fcffffff080005000000000020000300140002006970365f76746930000000000000000008000400ffd300002c00010008000b0073697000080004004e23000008000600777272000800090043000000080006006c6300000800060008000000"], 0x78}, 0x1, 0x0, 0x0, 0x800}, 0x1) setsockopt$sock_int(r0, 0x1, 0x8000000000, &(0x7f0000000400)=0x3, 0x4) connect$llc(r0, &(0x7f0000000200)={0x1a, 0x311, 0x3ff, 0x400, 0x2, 0x80, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x10) setsockopt$netrom_NETROM_N2(r0, 0x103, 0x3, &(0x7f0000000280)=0x80000000, 0x4) sendmsg$unix(r0, &(0x7f0000000340)={&(0x7f0000000100)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000240), 0x0, &(0x7f0000000300), 0x0, 0x4001}, 0x40040) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r0, 0xc008551a, &(0x7f0000000080)={0x8, 0x24, [0x1d, 0x2, 0xca, 0x5, 0x5, 0xc6, 0x7fffffff, 0x72, 0x2]}) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000002c0)=0xfffffffffffffff7, 0x4) 2018/04/09 10:18:22 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:22 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'gre0\x00', &(0x7f0000000100)=ANY=[@ANYRES64=r0]}) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e21, 0x1951, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10000000005}, 0x61a) 2018/04/09 10:18:22 executing program 7 (fault-call:4 fault-nth:45): 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) 2018/04/09 10:18:22 executing program 0: openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000100), 0x3) r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffff9c, 0x84, 0x76, &(0x7f0000000080)={0x0, 0xea}, &(0x7f00000000c0)=0x8) ioctl$VT_RESIZE(r0, 0x5609, &(0x7f00000001c0)={0x0, 0xcf, 0xfffffffffffff1cb}) setsockopt$inet_tcp_int(r0, 0x6, 0x17, &(0x7f0000000040)=0xdc, 0x4) getsockname$ax25(r0, &(0x7f0000000200), &(0x7f0000000240)=0x10) ioctl$BINDER_SET_CONTEXT_MGR(r0, 0x40046207, 0x0) setsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000180)={r1, 0x100000001, 0x5, 0xfffffffffffffff9}, 0x10) 2018/04/09 10:18:22 executing program 5: socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'eql\x00', 0x0}) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000140)={{{@in6, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in=@broadcast}}, &(0x7f0000000240)=0xe8) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in6=@loopback={0x0, 0x1}, @in=@local={0xac, 0x14, 0x14, 0xaa}, 0x4e20, 0x2af, 0x4e20, 0x0, 0xa, 0x80, 0x80, 0x16, r1, r2}, {0xfffffffffffffc00, 0x9, 0xd14c, 0x3c, 0x4, 0xfffffffffffffffb, 0x7ff, 0xffffffffffffff81}, {0x1, 0x20cd, 0x6, 0x4}, 0x8000, 0x20, 0x2, 0x1, 0x2, 0x3}, {{@in=@loopback=0x7f000001, 0x4d6, 0xff}, 0xa, @in=@multicast2=0xe0000002, 0x3500, 0x5, 0x1, 0x6, 0x3, 0x400, 0x1}}, 0xe8) 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, 0x0, 0xffffffffffffffff, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r3, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r3, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:22 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) acct(&(0x7f00000000c0)='./file0\x00') r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000000080)) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:22 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x1100}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:22 executing program 4: perf_event_open(&(0x7f0000940000)={0x1, 0x78, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x800, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ff, 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={&(0x7f0000a73000)}, 0x2801}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='cpuacct.usage_percpu\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(r0, 0x408c5333, &(0x7f0000000040)={0x8000, 0x3, 0x9, 'queue1\x00'}) [ 692.028681] FAULT_INJECTION: forcing a failure. [ 692.028681] name failslab, interval 1, probability 0, space 0, times 0 [ 692.040160] CPU: 0 PID: 18437 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 692.047023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 692.056401] Call Trace: [ 692.059029] dump_stack+0x1b9/0x294 [ 692.062693] ? dump_stack_print_info.cold.2+0x52/0x52 [ 692.067927] should_fail.cold.4+0xa/0x1a [ 692.072025] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:18:22 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$netrom(r0, &(0x7f0000000080)=@full={{0x3, {"ed0e857be1f2e3"}, 0xff}, [{"c5684a0a0dfdc3"}, {"81e87d8dd03ad6"}, {"cad6d5649fd4bb"}, {"590af00b73f0dd"}, {"eb7bf7f2ddd888"}, {"8ef8eb9ffe3d2f"}, {"a733f84883f896"}, {"8a3b15688dc936"}]}, 0x48) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) syz_open_dev$vcsn(&(0x7f0000000100)='/dev/vcs#\x00', 0x3, 0x2000) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) [ 692.077153] ? __might_sleep+0x95/0x190 [ 692.081163] ? graph_lock+0x170/0x170 [ 692.084988] ? __mutex_lock+0x7d9/0x17f0 [ 692.089092] ? find_held_lock+0x36/0x1c0 [ 692.093188] ? __lock_is_held+0xb5/0x140 [ 692.097293] ? check_same_owner+0x320/0x320 [ 692.101642] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 692.106687] ? rcu_note_context_switch+0x710/0x710 [ 692.111657] should_failslab+0x124/0x180 [ 692.115750] __kmalloc_track_caller+0x2c4/0x760 [ 692.120449] ? string+0x21d/0x2c0 [ 692.123936] ? kstrdup_const+0x66/0x80 2018/04/09 10:18:22 executing program 4: mkdir(&(0x7f0000c4e000)='./file0\x00', 0x0) r0 = open(&(0x7f0000032ff8)='./file0\x00', 0x0, 0x0) mkdirat(r0, &(0x7f0000033ff8)='./file0\x00', 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000432ff2)='./file0/file0\x00', &(0x7f00003c9000)='./file0\x00', &(0x7f000010bff7)='hostfs\x00', 0x1001, &(0x7f0000a06000)) unlinkat(r0, &(0x7f000057d000)='./file0\x00', 0x200) mount(&(0x7f0000d56ffb)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000556ffb)='omfs\x00', 0x6000, &(0x7f0000ad5000)) accept4(r0, &(0x7f0000000080)=@ax25, &(0x7f0000000100)=0x80, 0x0) name_to_handle_at(r0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000180)={0x5a, 0x3f, "f61890f07c22699d285ad21f71ace8e94fe923cf8c7bca50de56b09d3250475b7b8dacb1c44d33fd3889c09f47c212299ba6620175d361287457e687d4905c7c99142598b3782699c9211c981616c90eba5a"}, &(0x7f0000000200), 0x1000) [ 692.127854] kstrdup+0x39/0x70 [ 692.131070] kstrdup_const+0x66/0x80 [ 692.134815] __kernfs_new_node+0xa8/0x580 [ 692.138994] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 692.143786] ? pointer+0xa20/0xa20 [ 692.143814] ? graph_lock+0x170/0x170 [ 692.151153] ? kasan_check_write+0x14/0x20 [ 692.155424] ? snprintf+0xa5/0xd0 [ 692.158901] ? vsprintf+0x40/0x40 [ 692.162387] ? cgroup_kn_set_ugid+0x2cb/0x370 2018/04/09 10:18:22 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000400"], 0x38}, 0x0) 2018/04/09 10:18:22 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x600000000000000}, 0x14}, 0x1}, 0x0) [ 692.162424] kernfs_new_node+0x80/0xf0 [ 692.162450] __kernfs_create_file+0x4d/0x330 [ 692.162474] cgroup_addrm_files+0x437/0xaf0 [ 692.162504] ? cgroup_css.part.14+0x1f0/0x1f0 [ 692.162520] ? find_held_lock+0x36/0x1c0 [ 692.162564] ? __lock_is_held+0xb5/0x140 [ 692.162597] ? kasan_check_write+0x14/0x20 [ 692.162613] ? online_css+0x259/0x330 [ 692.162639] css_populate_dir+0x1a8/0x420 [ 692.162668] cgroup_apply_control_enable+0x43b/0xce0 [ 692.162705] ? cgroup_propagate_control+0x5a0/0x5a0 [ 692.162725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.162741] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 692.162759] ? cgroup_file_name+0x1f0/0x1f0 [ 692.162792] ? css_populate_dir+0x2a2/0x420 [ 692.162820] cgroup_mkdir+0x825/0x10d0 [ 692.162853] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 692.162877] ? put_itimerspec64+0x310/0x310 [ 692.162900] ? set_nlink+0xaf/0x140 [ 692.162919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.162942] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 692.162959] ? kernfs_get_active+0xb2/0x120 [ 692.162977] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 692.162998] kernfs_iop_mkdir+0x159/0x1e0 [ 692.163011] ? getname_flags+0xd0/0x5a0 [ 692.163036] vfs_mkdir+0x42e/0x6b0 [ 692.163060] do_mkdirat+0x266/0x2f0 [ 692.163084] ? SyS_mknod+0x40/0x40 [ 692.163108] ? ksys_mount+0xa8/0x140 [ 692.163128] ? do_syscall_64+0xb7/0x9d0 [ 692.163149] SyS_mkdir+0x22/0x30 [ 692.163164] ? SyS_mkdirat+0x30/0x30 [ 692.163181] do_syscall_64+0x29e/0x9d0 [ 692.163196] ? vmalloc_sync_all+0x30/0x30 [ 692.163215] ? _raw_spin_unlock_irq+0x27/0x70 [ 692.163234] ? finish_task_switch+0x1ca/0x820 [ 692.163255] ? syscall_return_slowpath+0x5c0/0x5c0 [ 692.163275] ? syscall_return_slowpath+0x30f/0x5c0 [ 692.163300] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 692.163327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 692.163355] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 692.163369] RIP: 0033:0x455259 [ 692.163380] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 2018/04/09 10:18:23 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0xfffffffffffffdfe) 2018/04/09 10:18:23 executing program 7 (fault-call:4 fault-nth:46): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:23 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(0xffffffffffffffff, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(0xffffffffffffffff, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x48, &(0x7f0000000680), 0x0, &(0x7f0000001580), 0x0, 0x2}, 0x0) 2018/04/09 10:18:23 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xf}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:23 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:23 executing program 4: mkdir(&(0x7f0000c4e000)='./file0\x00', 0x0) r0 = open(&(0x7f0000032ff8)='./file0\x00', 0x0, 0x0) mkdirat(r0, &(0x7f0000033ff8)='./file0\x00', 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000432ff2)='./file0/file0\x00', &(0x7f00003c9000)='./file0\x00', &(0x7f000010bff7)='hostfs\x00', 0x1001, &(0x7f0000a06000)) unlinkat(r0, &(0x7f000057d000)='./file0\x00', 0x200) mount(&(0x7f0000d56ffb)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000556ffb)='omfs\x00', 0x6000, &(0x7f0000ad5000)) accept4(r0, &(0x7f0000000080)=@ax25, &(0x7f0000000100)=0x80, 0x0) name_to_handle_at(r0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000180)={0x5a, 0x3f, "f61890f07c22699d285ad21f71ace8e94fe923cf8c7bca50de56b09d3250475b7b8dacb1c44d33fd3889c09f47c212299ba6620175d361287457e687d4905c7c99142598b3782699c9211c981616c90eba5a"}, &(0x7f0000000200), 0x1000) 2018/04/09 10:18:23 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f00000001c0)={r0, 0x0, 0xe, 0xe7, &(0x7f0000000080)="6af6840d4c6b1c7f0c826216312e", &(0x7f00000000c0)=""/231, 0xfffffffffffffff7, 0x9}, 0x28) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:23 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='io.bfq.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x3) r2 = creat(&(0x7f0000000000)='./file0\x00', 0x8) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r2, 0x4010640d, &(0x7f0000000040)={0x80000001, 0x1}) [ 692.163406] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 692.163416] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 692.163426] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 692.163437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 692.163448] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000002d [ 692.163759] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 692.569781] FAULT_INJECTION: forcing a failure. [ 692.569781] name failslab, interval 1, probability 0, space 0, times 0 [ 692.581226] CPU: 0 PID: 18484 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 692.588089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 692.597471] Call Trace: [ 692.600097] dump_stack+0x1b9/0x294 [ 692.603759] ? dump_stack_print_info.cold.2+0x52/0x52 [ 692.608991] should_fail.cold.4+0xa/0x1a [ 692.613072] ? kstrdup_const+0x66/0x80 [ 692.616988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 692.622119] ? cgroup_mkdir+0x825/0x10d0 [ 692.626241] ? vfs_mkdir+0x42e/0x6b0 [ 692.629973] ? do_mkdirat+0x266/0x2f0 [ 692.633793] ? SyS_mkdir+0x22/0x30 [ 692.637353] ? do_syscall_64+0x29e/0x9d0 [ 692.641466] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 692.646856] ? graph_lock+0x170/0x170 [ 692.650683] ? find_held_lock+0x36/0x1c0 [ 692.654785] ? find_held_lock+0x36/0x1c0 [ 692.658884] ? __lock_is_held+0xb5/0x140 [ 692.662996] ? check_same_owner+0x320/0x320 [ 692.667350] ? rcu_note_context_switch+0x710/0x710 [ 692.672315] ? rcu_read_lock_sched_held+0x108/0x120 [ 692.677370] should_failslab+0x124/0x180 [ 692.681472] kmem_cache_alloc+0x2af/0x760 [ 692.685665] ? memcpy+0x45/0x50 [ 692.688973] ? kstrdup+0x59/0x70 [ 692.692375] __kernfs_new_node+0xe7/0x580 [ 692.696556] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 692.701340] ? pointer+0xa20/0xa20 [ 692.704917] ? graph_lock+0x170/0x170 [ 692.708737] ? kasan_check_write+0x14/0x20 [ 692.713003] ? snprintf+0xa5/0xd0 [ 692.716488] ? vsprintf+0x40/0x40 [ 692.719966] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 692.724492] kernfs_new_node+0x80/0xf0 [ 692.728405] __kernfs_create_file+0x4d/0x330 [ 692.732837] cgroup_addrm_files+0x437/0xaf0 [ 692.737194] ? cgroup_css.part.14+0x1f0/0x1f0 [ 692.741707] ? find_held_lock+0x36/0x1c0 [ 692.745840] ? __lock_is_held+0xb5/0x140 [ 692.749932] ? kasan_check_write+0x14/0x20 [ 692.754181] ? online_css+0x259/0x330 [ 692.758007] css_populate_dir+0x1a8/0x420 [ 692.762190] cgroup_apply_control_enable+0x43b/0xce0 [ 692.767331] ? cgroup_propagate_control+0x5a0/0x5a0 [ 692.772381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.777931] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 692.782429] ? cgroup_file_name+0x1f0/0x1f0 [ 692.786763] ? css_populate_dir+0x2a2/0x420 [ 692.791094] cgroup_mkdir+0x825/0x10d0 [ 692.794984] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 692.799736] ? put_itimerspec64+0x310/0x310 [ 692.804055] ? set_nlink+0xaf/0x140 [ 692.807670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.813198] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 692.818724] ? kernfs_get_active+0xb2/0x120 [ 692.823041] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 692.827793] kernfs_iop_mkdir+0x159/0x1e0 [ 692.831926] ? getname_flags+0xd0/0x5a0 [ 692.835907] vfs_mkdir+0x42e/0x6b0 [ 692.839453] do_mkdirat+0x266/0x2f0 [ 692.843073] ? SyS_mknod+0x40/0x40 [ 692.846618] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 692.851457] ? do_syscall_64+0xb7/0x9d0 [ 692.855424] SyS_mkdir+0x22/0x30 [ 692.858790] ? SyS_mkdirat+0x30/0x30 [ 692.862503] do_syscall_64+0x29e/0x9d0 [ 692.866383] ? vmalloc_sync_all+0x30/0x30 [ 692.870543] ? _raw_spin_unlock_irq+0x27/0x70 [ 692.875038] ? finish_task_switch+0x1ca/0x820 [ 692.879537] ? syscall_return_slowpath+0x5c0/0x5c0 [ 692.884460] ? syscall_return_slowpath+0x30f/0x5c0 [ 692.889390] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 692.894754] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 692.899726] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 692.904907] RIP: 0033:0x455259 [ 692.908080] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 2018/04/09 10:18:23 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x12}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:23 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:23 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r0 = accept4(0xffffffffffffff9c, &(0x7f0000000040)=@in6, &(0x7f0000000100)=0x80, 0x80000) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000140)={0x9, {{0xa, 0x4e22, 0x100000000, @remote={0xfe, 0x80, [], 0xbb}, 0x5}}}, 0x88) pipe(&(0x7f00000000c0)={0xffffffffffffffff}) r2 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x7, 0x8003) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r2, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r2, 0x2286, &(0x7f0000c95ffe)) symlinkat(&(0x7f0000000200)='./file0\x00', r1, &(0x7f0000000280)='./file0\x00') 2018/04/09 10:18:23 executing program 4: mkdir(&(0x7f000022d000)='./file0\x00', 0x0) chroot(&(0x7f000009a000)='./file0\x00') mount(&(0x7f00005b9ff8)='./file0\x00', &(0x7f0000edaff8)='./file0\x00', &(0x7f0000d9fffa)='msdos\x00', 0x1002, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003}, 0x0, 0x0, 0xffffffffffffffff, 0x0) chdir(&(0x7f0000000240)='./file0\x00') mkdir(&(0x7f00000000c0)='../file0/file0\x00', 0x106) chdir(&(0x7f0000000080)='../file0/file0\x00') umount2(&(0x7f0000e28000)='..', 0x2) symlink(&(0x7f0000ed6ffe)='..', &(0x7f0000000040)='../file0\x00') mount(&(0x7f0000212ff8)='./file0\x00', &(0x7f000001c000)='./file0\x00', &(0x7f0000982ff9)='mqueue\x00', 0x0, &(0x7f0000ebcffe)) 2018/04/09 10:18:23 executing program 0: r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000176000)="00640001000445") getdents(r1, &(0x7f0000000440)=""/203, 0x283) ioctl$KVM_SET_VCPU_EVENTS(r1, 0x4040aea0, &(0x7f0000000400)={0x0, 0x2, 0xff, 0x0, 0x8, 0x3f, 0x2, 0x9a7c, 0x9, 0x3, 0x6, 0x2, 0x0, 0x1df, 0x2, 0x101, 0x0, 0x4, 0x4c4}) sysinfo(&(0x7f0000000040)=""/172) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000140)={0x1, 0x81d, 0x8, 0xfffffffffffffc20, 0x6}, 0x14) getsockopt$IP6T_SO_GET_ENTRIES(r1, 0x29, 0x41, &(0x7f0000000540)={'security\x00', 0xaa, "0769de36762be40ab41d8b53daec2eaf0c0e89a3b66b2306222faa2ee7db505eeaa3b9e8a7a97a53b7c93263ecb73798efc44b81ff8933955d77b40a6e7e701b54c1af15443d8434afb17638fcc1a79aeab2a72ac2a5af13d1d7a53832453de58b0b80954e9ab985ed871c291d81436ecfa4686e7340989677ca4526455dcacbfa97a07d73fae82877959627937ffcd1633a75c464b77f46b9e6082114c6bd795b28a5b96fc55bee500c"}, &(0x7f00000003c0)=0xce) setsockopt$inet_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000100)='tls\x00', 0x4) getdents64(r0, &(0x7f0000000180)=""/528, 0x210) 2018/04/09 10:18:23 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000280)) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000000)={0x0}, &(0x7f0000000040)=0xc) r2 = syz_open_dev$amidi(&(0x7f0000000140)='/dev/amidi#\x00', 0x6, 0x100) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000180)={0x0, 0x76a6, 0xffff, 0x9, 0x9, 0x81}, &(0x7f00000001c0)=0x14) getsockopt$inet_sctp6_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000000200)={r3, 0x81}, &(0x7f0000000240)=0x8) sched_getparam(r1, &(0x7f00000000c0)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580), 0xfffffffffffffd7e}, 0x0) 2018/04/09 10:18:23 executing program 7 (fault-call:4 fault-nth:47): 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) 2018/04/09 10:18:23 executing program 6: socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCDELDLCI(r0, 0x8981, &(0x7f0000000040)={'vlan0\x00', 0x6}) r1 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r1, 0x1, 0xe, &(0x7f0000000080), 0x4) [ 692.915799] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 692.923058] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 692.930325] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 692.937581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 692.944840] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000002e [ 692.952553] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 693.053696] FAULT_INJECTION: forcing a failure. [ 693.053696] name failslab, interval 1, probability 0, space 0, times 0 [ 693.065336] CPU: 0 PID: 18519 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 693.072202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 693.081570] Call Trace: [ 693.084182] dump_stack+0x1b9/0x294 [ 693.087839] ? dump_stack_print_info.cold.2+0x52/0x52 [ 693.093080] should_fail.cold.4+0xa/0x1a [ 693.097177] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 10:18:23 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x500000000000000}, 0x14}, 0x1}, 0x0) [ 693.102314] ? __might_sleep+0x95/0x190 [ 693.106319] ? graph_lock+0x170/0x170 [ 693.110147] ? __mutex_lock+0x7d9/0x17f0 [ 693.114253] ? find_held_lock+0x36/0x1c0 [ 693.118352] ? __lock_is_held+0xb5/0x140 [ 693.122470] ? check_same_owner+0x320/0x320 [ 693.126815] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 693.131860] ? rcu_note_context_switch+0x710/0x710 [ 693.136853] should_failslab+0x124/0x180 [ 693.140945] __kmalloc_track_caller+0x2c4/0x760 [ 693.145643] ? string+0x21d/0x2c0 [ 693.149129] ? kstrdup_const+0x66/0x80 2018/04/09 10:18:23 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x1100000000000000}, 0x14}, 0x1}, 0x0) [ 693.153046] kstrdup+0x39/0x70 [ 693.156267] kstrdup_const+0x66/0x80 [ 693.160019] __kernfs_new_node+0xa8/0x580 [ 693.164208] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 693.168985] ? pointer+0xa20/0xa20 [ 693.172563] ? graph_lock+0x170/0x170 [ 693.176402] ? kasan_check_write+0x14/0x20 [ 693.180677] ? snprintf+0xa5/0xd0 [ 693.184159] ? vsprintf+0x40/0x40 [ 693.187634] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 693.192179] kernfs_new_node+0x80/0xf0 [ 693.196101] __kernfs_create_file+0x4d/0x330 2018/04/09 10:18:23 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x5}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:24 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x40030000000000}, 0x14}, 0x1}, 0x0) [ 693.200547] cgroup_addrm_files+0x437/0xaf0 [ 693.204919] ? cgroup_css.part.14+0x1f0/0x1f0 [ 693.209438] ? find_held_lock+0x36/0x1c0 [ 693.213555] ? __lock_is_held+0xb5/0x140 [ 693.217654] ? kasan_check_write+0x14/0x20 [ 693.221913] ? online_css+0x259/0x330 [ 693.225745] css_populate_dir+0x1a8/0x420 [ 693.229930] cgroup_apply_control_enable+0x43b/0xce0 [ 693.235081] ? cgroup_propagate_control+0x5a0/0x5a0 [ 693.240131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.245695] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 693.250220] ? cgroup_file_name+0x1f0/0x1f0 [ 693.254583] ? css_populate_dir+0x2a2/0x420 [ 693.258942] cgroup_mkdir+0x825/0x10d0 [ 693.262876] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 693.267665] ? put_itimerspec64+0x310/0x310 [ 693.272026] ? set_nlink+0xaf/0x140 [ 693.275682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.281255] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 693.286823] ? kernfs_get_active+0xb2/0x120 [ 693.292430] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 693.297222] kernfs_iop_mkdir+0x159/0x1e0 [ 693.301396] ? getname_flags+0xd0/0x5a0 [ 693.305408] vfs_mkdir+0x42e/0x6b0 [ 693.308978] do_mkdirat+0x266/0x2f0 [ 693.312640] ? SyS_mknod+0x40/0x40 [ 693.316211] ? ksys_mount+0xa8/0x140 [ 693.319957] ? do_syscall_64+0xb7/0x9d0 [ 693.323964] SyS_mkdir+0x22/0x30 [ 693.327353] ? SyS_mkdirat+0x30/0x30 [ 693.331095] do_syscall_64+0x29e/0x9d0 [ 693.335002] ? vmalloc_sync_all+0x30/0x30 [ 693.339171] ? finish_task_switch+0x1ca/0x820 [ 693.343696] ? syscall_return_slowpath+0x5c0/0x5c0 [ 693.348654] ? syscall_return_slowpath+0x30f/0x5c0 [ 693.353617] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 693.359027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.363915] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 693.369131] RIP: 0033:0x455259 [ 693.372339] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 693.380086] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 693.387382] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 693.394675] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 693.401972] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 693.409262] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000002f [ 693.417261] cgroup: cgroup_addrm_files: failed to add weight, err=-12 2018/04/09 10:18:24 executing program 5: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000280)={&(0x7f0000000240)='./file0\x00', 0x0, 0x8}, 0x10) ioctl$void(r0, 0xc0045c77) r1 = 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, 0x0, 0xffffffffffffffff, 0x0) r2 = socket$pppoe(0x18, 0x1, 0x0) keyctl$join(0x1, 0x0) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vcs\x00', 0x0, 0x0) bind$ax25(r3, &(0x7f0000000200)={0x3, {"838ffcc13569ac"}, 0x4}, 0xfffffffffffffef8) ioctl$PPPIOCGCHAN(r2, 0x80047437, &(0x7f00000000c0)) sendmsg$netrom(r2, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) fcntl$getownex(r2, 0x10, &(0x7f0000000000)={0x0, 0x0}) poll(&(0x7f0000000140)=[{r2, 0x2010}, {r1, 0x144}, {r1, 0x8084}, {r1, 0x1}, {r2, 0x100}, {r2, 0x6}, {r1, 0x27}, {r1, 0x4040}, {r1}], 0x9, 0x5) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000100)) sched_getattr(r4, &(0x7f0000000040), 0x30, 0x0) 2018/04/09 10:18:24 executing program 0: request_key(&(0x7f00000000c0)='user\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000140)='/dev/snd/midiC#D#\x00', 0xfffffffffffffffa) request_key(&(0x7f0000000180)='pkcs7_test\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000200)='\x00', 0xfffffffffffffffb) r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000240)='memory.events\x00', 0x0, 0x0) timerfd_gettime(r0, &(0x7f0000000280)) r1 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0x2, 0xc0180) setsockopt$bt_BT_CHANNEL_POLICY(r1, 0x112, 0xa, &(0x7f0000000080)=0x7, 0x4) 2018/04/09 10:18:24 executing program 4: r0 = syz_open_dev$sndctrl(&(0x7f0000000040)='/dev/snd/controlC#\x00', 0xfffffffffffdffd, 0x0) pipe(&(0x7f0000000000)) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(r0, 0xc1205531, &(0x7f0000000140)=0x1) r1 = semget(0x0, 0x40000, 0x180) semctl$SETVAL(r1, 0x2, 0x10, &(0x7f0000000080)=0x4e5) 2018/04/09 10:18:24 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) ioctl$sock_SIOCSIFBR(r0, 0x8941, &(0x7f0000000040)=@add_del={0x2, &(0x7f0000000000)='bcsh0\x00', 0x1c13}) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f00000000c0), 0x4) 2018/04/09 10:18:24 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f00000000c0)={0x2, [0x0, 0x0]}) pipe(&(0x7f0000000040)) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r1, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r1, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:24 executing program 7 (fault-call:4 fault-nth:48): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:24 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xffffff7f00000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:24 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000004"], 0x38}, 0x0) [ 693.533174] FAULT_INJECTION: forcing a failure. [ 693.533174] name failslab, interval 1, probability 0, space 0, times 0 [ 693.544635] CPU: 0 PID: 18572 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 693.551496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 693.560869] Call Trace: [ 693.563483] dump_stack+0x1b9/0x294 [ 693.567145] ? dump_stack_print_info.cold.2+0x52/0x52 [ 693.572387] should_fail.cold.4+0xa/0x1a [ 693.576477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 693.581601] ? __might_sleep+0x95/0x190 [ 693.585604] ? graph_lock+0x170/0x170 [ 693.589430] ? __mutex_lock+0x7d9/0x17f0 [ 693.593536] ? find_held_lock+0x36/0x1c0 [ 693.597639] ? __lock_is_held+0xb5/0x140 [ 693.601750] ? check_same_owner+0x320/0x320 [ 693.606099] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 693.611149] ? rcu_note_context_switch+0x710/0x710 [ 693.616118] should_failslab+0x124/0x180 [ 693.620220] __kmalloc_track_caller+0x2c4/0x760 [ 693.624940] ? string+0x21d/0x2c0 [ 693.628429] ? kstrdup_const+0x66/0x80 2018/04/09 10:18:24 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000002"], 0x38}, 0x0) 2018/04/09 10:18:24 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0xfffffffffffff001, 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:24 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x400300}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:24 executing program 1: setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000240), 0x8) pipe(&(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) getpeername$inet(r0, &(0x7f0000000080)={0x0, 0x0, @loopback}, &(0x7f00000000c0)=0x10) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$evdev(r0, &(0x7f0000a59000)=[{{0x0, 0x7530}}, {}], 0x30) ioctl(r0, 0x2286, &(0x7f0000c95ffe)) 2018/04/09 10:18:24 executing program 4: socket$nl_xfrm(0xa, 0x3, 0x87) r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x81, 0x400) ioctl$KVM_ASSIGN_SET_INTX_MASK(r0, 0x4040aea4, &(0x7f0000000040)={0x9b2b, 0x80000000, 0x4037, 0x3, 0x1f}) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0xffffff87, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5}}}}}}}, &(0x7f00000002c0)) [ 693.632348] kstrdup+0x39/0x70 [ 693.635575] kstrdup_const+0x66/0x80 [ 693.639317] __kernfs_new_node+0xa8/0x580 [ 693.643498] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 693.648280] ? pointer+0xa20/0xa20 [ 693.651851] ? graph_lock+0x170/0x170 [ 693.655673] ? kasan_check_write+0x14/0x20 [ 693.659933] ? snprintf+0xa5/0xd0 [ 693.663410] ? vsprintf+0x40/0x40 [ 693.666880] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 693.671412] kernfs_new_node+0x80/0xf0 [ 693.675334] __kernfs_create_file+0x4d/0x330 [ 693.679776] cgroup_addrm_files+0x437/0xaf0 [ 693.684140] ? cgroup_css.part.14+0x1f0/0x1f0 [ 693.688658] ? find_held_lock+0x36/0x1c0 [ 693.692764] ? __lock_is_held+0xb5/0x140 [ 693.696853] ? kasan_check_write+0x14/0x20 [ 693.701107] ? online_css+0x259/0x330 [ 693.704936] css_populate_dir+0x1a8/0x420 [ 693.709120] cgroup_apply_control_enable+0x43b/0xce0 [ 693.714268] ? cgroup_propagate_control+0x5a0/0x5a0 [ 693.719304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.724856] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 693.729375] ? cgroup_file_name+0x1f0/0x1f0 2018/04/09 10:18:24 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) r1 = socket$inet6(0xa, 0x0, 0x6) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffff9c, 0x8933, &(0x7f0000000280)={'vcan0\x00', 0x0}) ioctl$VHOST_VSOCK_SET_GUEST_CID(r1, 0x4008af60, &(0x7f0000000000)={@hyper}) getresuid(&(0x7f00000002c0), &(0x7f0000000300)=0x0, &(0x7f0000000340)) setsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000380)={{{@in6=@mcast2={0xff, 0x2, [], 0x1}, @in6=@mcast1={0xff, 0x1, [], 0x1}, 0x4e23, 0x7f, 0x4e24, 0x8, 0x2, 0x20, 0x20, 0xff, r2, r3}, {0x81, 0x8000, 0x9, 0x101, 0x3f, 0x4}, {0x101, 0x1, 0x800, 0x400}, 0x0, 0x6e6bb7, 0x1, 0x1, 0x3, 0x3}, {{@in=@dev={0xac, 0x14, 0x14, 0x19}, 0x4d6, 0x2b}, 0x2, @in=@broadcast=0xffffffff, 0x3500, 0x1, 0x3, 0x5, 0x3, 0x9, 0x40}}, 0xe8) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BINDER_THREAD_EXIT(r4, 0x40046208, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) rmdir(&(0x7f00000000c0)='./file0\x00') setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r5, 0x111, 0x1, 0x6, 0x4) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000480)={{{@in6=@mcast1, @in6=@local}}, {{@in=@local}, 0x0, @in6=@mcast2}}, &(0x7f0000000240)=0xe8) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f00000001c0), &(0x7f0000000200)=0x4) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) ioctl$TCGETS(r5, 0x5401, &(0x7f0000000180)) fchdir(r1) sendmsg$netrom(r4, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x48, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x4010) ioctl$KVM_X86_SETUP_MCE(r4, 0x4008ae9c, &(0x7f0000000140)={0x1e, 0x2, 0x3}) 2018/04/09 10:18:24 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0x23, &(0x7f0000012000)=0xffffffffad36b24d, 0x4) dup2(r0, r0) recvmsg(r0, &(0x7f0000000780)={&(0x7f0000000040)=@ethernet={0x0, @link_local}, 0x10, &(0x7f0000000600), 0x0, &(0x7f00000006c0)=""/188, 0xbc}, 0x0) setsockopt$sock_int(r0, 0x1, 0x1d, &(0x7f0000000000), 0x4) sendmsg$key(r0, &(0x7f0000007000)={0x0, 0x0, &(0x7f000001b000)={&(0x7f0000000100)=ANY=[@ANYBLOB="02ca05b4160000000000000000000000ff0f00001d177c3a1a6c3b8edc450d3b8fe0a982e65c4989a5d50430072ae90b69809c44e747404ee31b910b5161f14031e3cfd1ec1b04480745f05a86355e25751313e9439107672c3481e896eb56943d1b636a1cf446e7afa410c18e93b37e08286ce4920fee87e83162c0b3fcf0457594438c34620fa8509c9dfeb4dc9e00000001000000000000000000000000"], 0x9f}, 0x1}, 0x0) r1 = socket$key(0xf, 0x3, 0x2) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup/syz1\x00', 0x200002, 0x0) r2 = dup3(r0, r1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r2, 0x4010640d, &(0x7f00000000c0)={0x0, 0x8}) [ 693.733729] ? css_populate_dir+0x2a2/0x420 [ 693.738086] cgroup_mkdir+0x825/0x10d0 [ 693.742009] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 693.746792] ? put_itimerspec64+0x310/0x310 [ 693.751148] ? set_nlink+0xaf/0x140 [ 693.754799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.760373] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 693.765937] ? kernfs_get_active+0xb2/0x120 [ 693.770290] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 693.775072] kernfs_iop_mkdir+0x159/0x1e0 [ 693.779246] ? getname_flags+0xd0/0x5a0 2018/04/09 10:18:24 executing program 1: io_setup(0xba, &(0x7f0000000000)=0x0) r1 = socket$bt_cmtp(0x1f, 0x3, 0x5) r2 = open(&(0x7f0000000240)='./file0\x00', 0x10200, 0x2) ioctl$sock_bt_cmtp_CMTPCONNADD(r1, 0x400443c8, &(0x7f0000000280)={r2, 0x3}) r3 = socket(0x2, 0x803, 0xff) set_tid_address(&(0x7f0000000300)) setsockopt$sock_int(r3, 0x1, 0x29, &(0x7f0000000080)=0x100000001, 0x4) connect$inet(r3, &(0x7f0000000100)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) io_submit(r0, 0x1, &(0x7f0000000040)=[&(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, r3, &(0x7f00000000c0)="0f0200000000000000610dc3c65ac45d809af44d", 0x14}]) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f0000000180)={0x7, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f00000001c0)=0x20) setsockopt$RDS_CONG_MONITOR(r2, 0x114, 0x6, &(0x7f00000002c0), 0x4) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r3, 0x84, 0x71, &(0x7f0000000200)={r4, 0x9}, 0x8) [ 693.783252] vfs_mkdir+0x42e/0x6b0 [ 693.786819] do_mkdirat+0x266/0x2f0 [ 693.790472] ? SyS_mknod+0x40/0x40 [ 693.794037] ? ksys_mount+0xa8/0x140 [ 693.797773] ? do_syscall_64+0xb7/0x9d0 [ 693.801772] SyS_mkdir+0x22/0x30 [ 693.805158] ? SyS_mkdirat+0x30/0x30 [ 693.808887] do_syscall_64+0x29e/0x9d0 [ 693.812797] ? vmalloc_sync_all+0x30/0x30 [ 693.816966] ? _raw_spin_unlock_irq+0x27/0x70 [ 693.821481] ? finish_task_switch+0x1ca/0x820 [ 693.825998] ? syscall_return_slowpath+0x5c0/0x5c0 [ 693.830956] ? syscall_return_slowpath+0x30f/0x5c0 [ 693.835920] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 693.841324] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.846207] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 693.851412] RIP: 0033:0x455259 [ 693.854613] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 693.862353] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 693.869649] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 693.876936] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/09 10:18:24 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000000), 0xfffffe8e) [ 693.884227] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 693.891867] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000030 [ 693.899568] cgroup: cgroup_addrm_files: failed to add weight, err=-12 2018/04/09 10:18:24 executing program 7 (fault-call:4 fault-nth:49): 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) [ 694.027539] FAULT_INJECTION: forcing a failure. [ 694.027539] name failslab, interval 1, probability 0, space 0, times 0 [ 694.038955] CPU: 0 PID: 18619 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 694.045819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 694.055190] Call Trace: [ 694.057895] dump_stack+0x1b9/0x294 [ 694.061642] ? dump_stack_print_info.cold.2+0x52/0x52 [ 694.066886] should_fail.cold.4+0xa/0x1a [ 694.070986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 694.076124] ? __might_sleep+0x95/0x190 [ 694.080137] ? graph_lock+0x170/0x170 [ 694.083969] ? __mutex_lock+0x7d9/0x17f0 [ 694.088075] ? find_held_lock+0x36/0x1c0 [ 694.092185] ? __lock_is_held+0xb5/0x140 [ 694.096303] ? check_same_owner+0x320/0x320 [ 694.100663] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 694.106307] ? rcu_note_context_switch+0x710/0x710 [ 694.111240] should_failslab+0x124/0x180 [ 694.115324] __kmalloc_track_caller+0x2c4/0x760 [ 694.120175] ? string+0x21d/0x2c0 [ 694.123629] ? kstrdup_const+0x66/0x80 [ 694.127515] kstrdup+0x39/0x70 [ 694.130711] kstrdup_const+0x66/0x80 [ 694.134421] __kernfs_new_node+0xa8/0x580 [ 694.138576] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 694.143329] ? pointer+0xa20/0xa20 [ 694.146886] ? graph_lock+0x170/0x170 [ 694.150681] ? kasan_check_write+0x14/0x20 [ 694.154937] ? snprintf+0xa5/0xd0 [ 694.158399] ? vsprintf+0x40/0x40 [ 694.161848] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 694.166366] kernfs_new_node+0x80/0xf0 [ 694.170268] __kernfs_create_file+0x4d/0x330 [ 694.174697] cgroup_addrm_files+0x437/0xaf0 [ 694.179044] ? cgroup_css.part.14+0x1f0/0x1f0 [ 694.183542] ? find_held_lock+0x36/0x1c0 [ 694.187610] ? __lock_is_held+0xb5/0x140 [ 694.191673] ? kasan_check_write+0x14/0x20 [ 694.195899] ? online_css+0x259/0x330 [ 694.199706] css_populate_dir+0x1a8/0x420 [ 694.203856] cgroup_apply_control_enable+0x43b/0xce0 [ 694.208963] ? cgroup_propagate_control+0x5a0/0x5a0 [ 694.213995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.219539] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 694.224037] ? cgroup_file_name+0x1f0/0x1f0 [ 694.228364] ? css_populate_dir+0x2a2/0x420 [ 694.232683] cgroup_mkdir+0x825/0x10d0 [ 694.236574] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 694.241331] ? put_itimerspec64+0x310/0x310 [ 694.245663] ? set_nlink+0xaf/0x140 [ 694.249283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.254813] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 694.260346] ? kernfs_get_active+0xb2/0x120 [ 694.264658] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 694.269414] kernfs_iop_mkdir+0x159/0x1e0 [ 694.273551] ? getname_flags+0xd0/0x5a0 [ 694.277520] vfs_mkdir+0x42e/0x6b0 [ 694.281055] do_mkdirat+0x266/0x2f0 [ 694.284696] ? SyS_mknod+0x40/0x40 [ 694.288229] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 694.293066] ? do_syscall_64+0xb7/0x9d0 [ 694.297043] SyS_mkdir+0x22/0x30 [ 694.300408] ? SyS_mkdirat+0x30/0x30 [ 694.304117] do_syscall_64+0x29e/0x9d0 [ 694.307996] ? vmalloc_sync_all+0x30/0x30 [ 694.312155] ? _raw_spin_unlock_irq+0x27/0x70 [ 694.316648] ? finish_task_switch+0x1ca/0x820 [ 694.321140] ? syscall_return_slowpath+0x5c0/0x5c0 [ 694.326065] ? syscall_return_slowpath+0x30f/0x5c0 [ 694.330991] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 694.336364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 694.341562] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 694.346764] RIP: 0033:0x455259 [ 694.349942] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 694.357643] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 694.364903] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 694.372159] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 694.379418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 694.386675] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000031 [ 694.394199] cgroup: cgroup_addrm_files: failed to add bfq.weight, err=-12 2018/04/09 10:18:25 executing program 1: socketpair(0x15, 0x1, 0xfffffffffffff70f, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) pselect6(0x40, &(0x7f0000000100)={0x81, 0x400, 0x200, 0x2, 0x8, 0x8000, 0x6, 0x9}, &(0x7f0000000140)={0x3f, 0x5, 0x4, 0x8001, 0x1, 0xfffffffffffffff7, 0x3, 0x401}, &(0x7f0000000180)={0x3, 0x10000, 0x5, 0x6ef, 0x9, 0xff, 0xea, 0x3}, &(0x7f00000001c0)={0x0, 0x1c9c380}, &(0x7f0000000240)={&(0x7f0000000200)={0x8}, 0x8}) mq_getsetattr(r0, &(0x7f00000000c0)={0x69d, 0x20, 0x1000, 0xffc0, 0x2, 0x7fff, 0xffffffff, 0x5}, 0x0) r1 = socket(0xf, 0x7, 0x5) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000080)=0x8, 0x4) sendto$inet(r1, &(0x7f00000002c0), 0x2e2, 0x0, &(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10) munlockall() 2018/04/09 10:18:25 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:25 executing program 0: r0 = syz_open_dev$sndseq(&(0x7f00000004c0)='/dev/snd/seq\x00', 0x0, 0x8000) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r0, 0xc08c5332, &(0x7f0000000100)={0x0, 0x0, 0x0, 'queue1\x00'}) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, 'port1\x00', 0xa9824f69d1376637, 0x20000010800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r0, 0x40605346, &(0x7f00000001c0)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER(r0, 0xc0605345, &(0x7f0000000240)) socketpair(0x0, 0xa, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFBR(r1, 0x8941, &(0x7f0000000040)=@get={0x1, &(0x7f00000002c0)=""/183, 0xfffffffffffffc00}) ioctl$TIOCGPGRP(r2, 0x540f, &(0x7f00000000c0)=0x0) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f00000003c0)=0x0) kcmp(r3, r4, 0x4, r1, r0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x0, 0x0) 2018/04/09 10:18:25 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) connect(r0, &(0x7f0000000000)=@ethernet={0x1, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x80) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f00000000c0)={0xffffffffffffffff}) getsockopt$IP6T_SO_GET_INFO(r1, 0x29, 0x40, &(0x7f0000000240)={'nat\x00'}, &(0x7f00000002c0)=0x54) socket$pppoe(0x18, 0x1, 0x0) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) write(r0, &(0x7f0000000140)="29d992f32e4f7340c8644d4f5c7c696c4a4065e0dd55899aadd40afd2668ccbac415908c8dc45d492059d52e4246ba369c53e28816c144744dfb5956bb0958369c4786201899607426874981319149a8978cfcb6645685edcf512976162c011feb7ba5c37843b57fb0bdd9061f0217040678e6a79d94bb5c98c9e88ccc635b67e7e83c2b3a25fb765c44f0b2e0d34255c21e21f412c5e97d20024af69fa69be38143deb4b246012ea47df32da24a7e7ff584e1c83bf42f3700f5e5cdefd7c7de6e9e745bf8edb174196f4084b64a58bf1f53bb", 0xd3) 2018/04/09 10:18:25 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x400, 0x0) getsockopt(r0, 0x81, 0x5, &(0x7f00000000c0)=""/8, &(0x7f0000000100)=0x8) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000001140)={0x77c8, 0x20, 0x3, 0x7ff, 0x9, 0x100000000, 0xc31, 0x9, 0x81, 0xaa9400, 0x6, 0x8}) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) sysfs$2(0x2, 0x0, &(0x7f0000000140)=""/4096) 2018/04/09 10:18:25 executing program 7 (fault-call:4 fault-nth:50): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:25 executing program 4: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) getsockopt$kcm_KCM_RECV_DISABLE(r2, 0x119, 0x1, &(0x7f0000000740), 0x4) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) getsockopt$inet6_opts(r2, 0x29, 0x36, &(0x7f0000000d00)=""/190, &(0x7f00000007c0)=0xbe) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r1, 0xc0bc5351, &(0x7f0000000c40)={0xfffffffffffff784, 0x1, 'client0\x00', 0x1, "de3fa8c08103b147", "eb65b7703caf43e12ee6296f2906b6d9addd85d86fe5290f8d5966d261b2cbac", 0x6170, 0x74a}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) syz_open_dev$dmmidi(&(0x7f0000000dc0)='/dev/dmmidi#\x00', 0x3, 0x4400) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = getpid() ioprio_get$pid(0x2, r4) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/04/09 10:18:25 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x500}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:25 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:25 executing program 1: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000269fb8)={0x1, 0x3, &(0x7f00000affc8)=@framed={{0x18}, [], {0x95}}, &(0x7f000039cff6)="7379e66b616c6c657200", 0x8, 0x1000, &(0x7f000039c000)=""/4096}, 0x48) open_by_handle_at(r0, &(0x7f0000000180)={0xf2, 0x81, "927135426ec892daaaebfa24a7742d5b684e9c77512cf3cc5126e0e2875b0e3b8f81afbfdddb1d6bf8cd996b1bd7ae84f819e6dd871555ee546bd3330d83046373dcbd076bbd61f9252c3b642af580ed48ed0623c867eb7d9e2ba57bc00c046e4623057d8f84ac833ac93dd298f20b4319fc3a5c83e779c5e5aeb7cc399de6decbb640402fa97fd06cdfc53aeec9af4d07f739332ff429c53c06ae6b2351cbf53662b8168ca8f28d11bba898bc916072f6f5044869228d2b24e16a44f12a3ca911d815cad5543e130fe3a8ad956adbed0ee3a0cd6fd421b6ea07a0c261612b140f35a36650eaf1b14826"}, 0x42400) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000140)={r0, 0x50, &(0x7f00000000c0)}, 0x6) [ 694.819538] FAULT_INJECTION: forcing a failure. [ 694.819538] name failslab, interval 1, probability 0, space 0, times 0 [ 694.831290] CPU: 0 PID: 18641 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 694.838188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 694.847564] Call Trace: [ 694.850183] dump_stack+0x1b9/0x294 [ 694.853843] ? dump_stack_print_info.cold.2+0x52/0x52 [ 694.859069] should_fail.cold.4+0xa/0x1a [ 694.863151] ? kstrdup_const+0x66/0x80 2018/04/09 10:18:25 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x900}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:25 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x800) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) socketpair(0x10, 0x6, 0x3, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$EVIOCSCLOCKID(r2, 0x400445a0, &(0x7f0000000040)=0x100000000) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 694.867066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 694.872194] ? cgroup_mkdir+0x825/0x10d0 [ 694.876287] ? vfs_mkdir+0x42e/0x6b0 [ 694.880031] ? do_mkdirat+0x266/0x2f0 [ 694.883855] ? SyS_mkdir+0x22/0x30 [ 694.887417] ? do_syscall_64+0x29e/0x9d0 [ 694.891502] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 694.896890] ? graph_lock+0x170/0x170 [ 694.900711] ? find_held_lock+0x36/0x1c0 [ 694.904807] ? find_held_lock+0x36/0x1c0 [ 694.908902] ? __lock_is_held+0xb5/0x140 [ 694.913011] ? check_same_owner+0x320/0x320 [ 694.917375] ? rcu_note_context_switch+0x710/0x710 [ 694.922343] ? rcu_read_lock_sched_held+0x108/0x120 [ 694.927393] should_failslab+0x124/0x180 [ 694.931487] kmem_cache_alloc+0x2af/0x760 [ 694.935663] ? memcpy+0x45/0x50 [ 694.939672] ? kstrdup+0x59/0x70 [ 694.943084] __kernfs_new_node+0xe7/0x580 [ 694.947447] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 694.952239] ? pointer+0xa20/0xa20 [ 694.955817] ? graph_lock+0x170/0x170 [ 694.959637] ? kasan_check_write+0x14/0x20 [ 694.963888] ? snprintf+0xa5/0xd0 [ 694.967347] ? vsprintf+0x40/0x40 [ 694.970798] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 694.975306] kernfs_new_node+0x80/0xf0 [ 694.979484] __kernfs_create_file+0x4d/0x330 [ 694.983902] cgroup_addrm_files+0x437/0xaf0 [ 694.988233] ? cgroup_css.part.14+0x1f0/0x1f0 [ 694.992725] ? find_held_lock+0x36/0x1c0 [ 694.996796] ? __lock_is_held+0xb5/0x140 [ 695.000857] ? kasan_check_write+0x14/0x20 [ 695.005079] ? online_css+0x259/0x330 [ 695.008877] css_populate_dir+0x1a8/0x420 [ 695.013033] cgroup_apply_control_enable+0x43b/0xce0 [ 695.018155] ? cgroup_propagate_control+0x5a0/0x5a0 [ 695.023169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.028704] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 695.033203] ? cgroup_file_name+0x1f0/0x1f0 [ 695.037557] ? css_populate_dir+0x2a2/0x420 [ 695.041883] cgroup_mkdir+0x825/0x10d0 [ 695.045955] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 695.050714] ? put_itimerspec64+0x310/0x310 [ 695.055045] ? set_nlink+0xaf/0x140 [ 695.058672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.064212] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 695.069746] ? kernfs_get_active+0xb2/0x120 [ 695.074068] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 695.078829] kernfs_iop_mkdir+0x159/0x1e0 [ 695.082972] ? getname_flags+0xd0/0x5a0 [ 695.086982] vfs_mkdir+0x42e/0x6b0 [ 695.090526] do_mkdirat+0x266/0x2f0 [ 695.094154] ? SyS_mknod+0x40/0x40 [ 695.097694] ? ksys_mount+0xa8/0x140 [ 695.101403] ? do_syscall_64+0xb7/0x9d0 [ 695.105377] SyS_mkdir+0x22/0x30 [ 695.108732] ? SyS_mkdirat+0x30/0x30 [ 695.112436] do_syscall_64+0x29e/0x9d0 [ 695.116322] ? vmalloc_sync_all+0x30/0x30 [ 695.120479] ? _raw_spin_unlock_irq+0x27/0x70 [ 695.124976] ? finish_task_switch+0x1ca/0x820 [ 695.129465] ? syscall_return_slowpath+0x5c0/0x5c0 [ 695.134386] ? syscall_return_slowpath+0x30f/0x5c0 [ 695.139316] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 695.144684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.149535] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 695.154721] RIP: 0033:0x455259 [ 695.157903] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 2018/04/09 10:18:26 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r1 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x40, 0x410041) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000040)={0x0, 0x5, 0x1f, 0x8a1, 0x5, 0x9}, &(0x7f00000000c0)=0x14) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000100)=@assoc_id=r2, 0x4) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r1, 0x84, 0xf, &(0x7f0000000140)={r2, @in={{0x2, 0x4e24, @rand_addr=0x200}}, 0xe0000000, 0x200, 0x1, 0x800, 0x5d957edf}, &(0x7f0000000200)=0x98) [ 695.165613] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 695.172877] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 695.180141] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 695.187404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 695.194668] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000032 [ 695.203855] cgroup: cgroup_addrm_files: failed to add bfq.weight, err=-12 2018/04/09 10:18:26 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) [ 695.252178] IPVS: ftp: loaded support on port[0] = 21 2018/04/09 10:18:26 executing program 5: r0 = socket$can_raw(0x1d, 0x3, 0x1) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$getown(r1, 0x9) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000280)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, "6c6f0000d571ff0100"}}, 0x1e) fcntl$getownex(r0, 0x10, &(0x7f00000001c0)={0x0, 0x0}) syz_open_dev$tun(&(0x7f0000000240)='/dev/net/tun\x00', 0x0, 0x80000) sched_setscheduler(r3, 0x3, &(0x7f0000000200)=0x5) ioctl$PPPIOCGCHAN(r2, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r2, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000000)='net/route\x00') getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f0000000040)={0x0}, &(0x7f00000000c0)=0x8) getsockopt$IPT_SO_GET_INFO(r4, 0x0, 0x40, &(0x7f00000002c0)={'mangle\x00'}, &(0x7f0000000080)=0x54) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x80000000, 0x10000, 0x4, 0x23ff, 0xfff, 0x0, 0x5, 0x3, r5}, &(0x7f0000000180)=0x20) 2018/04/09 10:18:26 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x7}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:26 executing program 6: socket$key(0xf, 0x3, 0x2) [ 695.534514] IPVS: ftp: loaded support on port[0] = 21 [ 696.666165] ALSA: seq fatal error: cannot create timer (-22) 2018/04/09 10:18:27 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/09 10:18:27 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xd00000000000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:27 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f00000000c0), 0x320) fcntl$getownex(r0, 0x10, &(0x7f0000000100)={0x0, 0x0}) ptrace$peekuser(0x3, r1, 0x4000000000) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x20020, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(r2, 0x40045532, &(0x7f0000000040)=0x1) socketpair$inet6_sctp(0xa, 0x1, 0x84, &(0x7f0000000080)) 2018/04/09 10:18:27 executing program 5: epoll_ctl$EPOLL_CTL_MOD(0xffffffffffffffff, 0x3, 0xffffffffffffffff, &(0x7f0000000000)) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:27 executing program 1: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fc7000)={0x5, 0x9, 0x4000000000080, 0x2, 0x11}, 0x1c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000001c0)={r0, &(0x7f0000fc5000), &(0x7f00002ab000)}, 0xfffffffffffffeb4) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000340)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000fccff0)={r0, &(0x7f0000fcc000)}, 0x10) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000000c0)={0xffffffffffffffff, 0x28, &(0x7f0000000080)={0x0, 0x0}}, 0x10) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x1b7, 0x80) r3 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000100)={r2, 0x80, 0x10}, 0xc) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r0, &(0x7f0000000040)={0x90000000}) poll(&(0x7f0000000140)=[{r0, 0x8}, {r0, 0x2400}, {r1, 0x184}, {r3, 0x2000}], 0x4, 0x100000000) 2018/04/09 10:18:27 executing program 7 (fault-call:4 fault-nth:51): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:27 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000140)="6370757365742e73636865645f72656c61785f646f6d61696e5f6c6576656c0077ddae55f0051fb95080a9b5dcf6d80d39ef3459f5042766456c499f835d5ceee636f292c13a81f7480d1ce2951836942ae5c79741d8866d0611f85c2b92d77bbc5c72e7bef47e40a9c6fbcf6088187f941ef04103ec", 0x2, 0x0) write$cgroup_int(r1, &(0x7f0000000040)={[0x33]}, 0x1) 2018/04/09 10:18:27 executing program 4: fcntl$F_SET_RW_HINT(0xffffffffffffffff, 0x40c, &(0x7f00000000c0)=0x3) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_xfrm(0x11, 0x3, 0x6) ioctl$sock_SIOCGIFINDEX(r0, 0x8931, &(0x7f0000000000)={'bond0\x00'}) mmap(&(0x7f000092d000/0x400000)=nil, 0x400000, 0x7fffffff, 0x2000000208972, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x1, 0x101) r2 = openat(0xffffffffffffffff, &(0x7f0000000080)='./file0\x00', 0x20000, 0x10) ioctl$TUNSETVNETHDRSZ(r2, 0x400454d8, &(0x7f0000000280)=0x3f) sendto$inet6(0xffffffffffffffff, &(0x7f0000001000)="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", 0xffe, 0x0, &(0x7f0000000300)={0xa, 0x100004e24, 0x0, @remote={0xfe, 0x80, [], 0xbb}, 0x4}, 0x1c) madvise(&(0x7f000092d000/0x400000)=nil, 0x400000, 0x10200000008) ioctl$DRM_IOCTL_AGP_ACQUIRE(r1, 0x6430) ioctl$KVM_IRQ_LINE(0xffffffffffffffff, 0x4008ae61, &(0x7f0000000100)={0x0, 0x1}) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) setsockopt$sock_linger(r1, 0x1, 0xd, &(0x7f0000000040)={0x1}, 0x8) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) openat$hwrng(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/hwrng\x00', 0x4000, 0x0) recvfrom(r0, &(0x7f0000000340)=""/219, 0xdb, 0x40, &(0x7f0000000200)=@pptp={0x18, 0x2, {0x2, @loopback=0x7f000001}}, 0x80) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40416, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff, 0x0, 0x7f, 0x979, 0x0, 0x0, 0x0, 0x7ff, 0x89, 0xfffffffffffffffb, 0x1, 0xe9d, 0xffff, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x3ff, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x7e}, 0x20, 0x2, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_TSS_ADDR(r4, 0xae47, 0xd000) [ 696.766236] ALSA: seq fatal error: cannot create timer (-22) [ 696.805439] QAT: Invalid ioctl [ 696.836184] QAT: Invalid ioctl [ 696.849247] FAULT_INJECTION: forcing a failure. [ 696.849247] name failslab, interval 1, probability 0, space 0, times 0 [ 696.860715] CPU: 0 PID: 18720 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 696.867573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 696.876948] Call Trace: [ 696.879561] dump_stack+0x1b9/0x294 [ 696.883208] ? dump_stack_print_info.cold.2+0x52/0x52 [ 696.888432] should_fail.cold.4+0xa/0x1a [ 696.892501] ? perf_tp_event+0xc30/0xc30 [ 696.896583] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 696.901705] ? memset+0x31/0x40 [ 696.905007] ? perf_trace_lock+0xd6/0x900 [ 696.909164] ? perf_trace_lock_acquire+0x4f1/0x980 [ 696.914110] ? perf_trace_lock+0x900/0x900 [ 696.918360] ? zap_class+0x720/0x720 [ 696.922137] ? print_usage_bug+0xc0/0xc0 [ 696.926230] should_failslab+0x124/0x180 [ 696.930319] kmem_cache_alloc+0x47/0x760 [ 696.934400] ? lock_downgrade+0x8e0/0x8e0 [ 696.938578] radix_tree_node_alloc.constprop.19+0x1e6/0x310 [ 696.944323] idr_get_free+0x87e/0x1090 [ 696.948255] ? radix_tree_clear_tags+0xc0/0xc0 [ 696.952869] ? unwind_get_return_address+0x61/0xa0 [ 696.957819] ? __save_stack_trace+0x7e/0xd0 [ 696.962163] ? memset+0x31/0x40 [ 696.965486] ? perf_trace_lock_acquire+0x4f1/0x980 [ 696.970439] ? save_stack+0xa9/0xd0 [ 696.974106] ? perf_trace_lock+0x900/0x900 [ 696.978354] ? css_populate_dir+0x1a8/0x420 [ 696.982683] ? cgroup_mkdir+0x825/0x10d0 [ 696.986747] ? vfs_mkdir+0x42e/0x6b0 [ 696.990459] ? do_mkdirat+0x266/0x2f0 [ 696.994256] ? SyS_mkdir+0x22/0x30 [ 696.997795] ? do_syscall_64+0x29e/0x9d0 [ 697.001851] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 697.007218] ? find_held_lock+0x36/0x1c0 [ 697.011279] ? print_usage_bug+0xc0/0xc0 [ 697.015333] ? graph_lock+0x170/0x170 [ 697.019132] idr_alloc_u32+0x1ef/0x3b0 [ 697.023028] ? __fprop_inc_percpu_max+0x2c0/0x2c0 [ 697.027864] ? lock_acquire+0x1dc/0x520 [ 697.031829] ? __kernfs_new_node+0x10e/0x580 [ 697.036233] ? __lock_is_held+0xb5/0x140 [ 697.040298] idr_alloc_cyclic+0x167/0x340 [ 697.044447] ? idr_alloc+0x1a0/0x1a0 [ 697.048153] ? kasan_check_write+0x14/0x20 [ 697.052386] ? do_raw_spin_lock+0xc1/0x200 [ 697.056631] __kernfs_new_node+0x1a3/0x580 [ 697.060868] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 697.065620] ? pointer+0xa20/0xa20 [ 697.069158] ? graph_lock+0x170/0x170 [ 697.072948] ? kasan_check_write+0x14/0x20 [ 697.077187] ? vsprintf+0x40/0x40 [ 697.080637] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 697.085132] kernfs_new_node+0x80/0xf0 [ 697.089029] __kernfs_create_file+0x4d/0x330 [ 697.093445] cgroup_addrm_files+0x437/0xaf0 [ 697.097788] ? cgroup_css.part.14+0x1f0/0x1f0 [ 697.102279] ? find_held_lock+0x36/0x1c0 [ 697.106349] ? __lock_is_held+0xb5/0x140 [ 697.110417] ? kasan_check_write+0x14/0x20 [ 697.114643] ? online_css+0x259/0x330 [ 697.118439] css_populate_dir+0x1a8/0x420 [ 697.122610] cgroup_apply_control_enable+0x43b/0xce0 [ 697.127721] ? cgroup_propagate_control+0x5a0/0x5a0 [ 697.132730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.138261] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 697.142751] ? cgroup_file_name+0x1f0/0x1f0 [ 697.147078] ? css_populate_dir+0x2a2/0x420 [ 697.151407] cgroup_mkdir+0x825/0x10d0 [ 697.155312] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 697.160070] ? put_itimerspec64+0x310/0x310 [ 697.164390] ? set_nlink+0xaf/0x140 [ 697.168015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.173555] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 697.179085] ? kernfs_get_active+0xb2/0x120 [ 697.183406] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 697.188159] kernfs_iop_mkdir+0x159/0x1e0 [ 697.192302] ? getname_flags+0xd0/0x5a0 [ 697.196282] vfs_mkdir+0x42e/0x6b0 [ 697.199821] do_mkdirat+0x266/0x2f0 [ 697.203454] ? SyS_mknod+0x40/0x40 [ 697.206996] ? ksys_mount+0xa8/0x140 [ 697.210712] ? do_syscall_64+0xb7/0x9d0 [ 697.214688] SyS_mkdir+0x22/0x30 [ 697.218050] ? SyS_mkdirat+0x30/0x30 [ 697.221763] do_syscall_64+0x29e/0x9d0 [ 697.225652] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 697.230491] ? syscall_return_slowpath+0x5c0/0x5c0 [ 697.235415] ? syscall_return_slowpath+0x30f/0x5c0 [ 697.240344] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 697.245719] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.250565] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 697.255746] RIP: 0033:0x455259 [ 697.258927] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 697.266632] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 697.273896] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 2018/04/09 10:18:28 executing program 1: eventfd2(0x0, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vhost-net\x00', 0x2, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x800, 0x0) ioctl$KDSETKEYCODE(r0, 0x4b4d, &(0x7f0000000040)={0x65a, 0x3}) openat$audio(0xffffffffffffff9c, &(0x7f000010bff5)='/dev/audio\x00', 0x0, 0x0) pselect6(0x40, &(0x7f0000f33fc0)={0x3ffffd}, &(0x7f0000768000), &(0x7f0000086000), &(0x7f0000349000), &(0x7f0000f14000)={&(0x7f0000a65ff8), 0x8}) 2018/04/09 10:18:28 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x20000a78}, 0x0) 2018/04/09 10:18:28 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) accept(r0, &(0x7f0000000000)=@sco, &(0x7f00000000c0)=0x80) pause() ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:28 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x700000000000000}, 0x14}, 0x1}, 0x0) [ 697.281157] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 697.289444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 697.296707] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000033 2018/04/09 10:18:28 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xd, &(0x7f0000000080)=0x200, 0x4) 2018/04/09 10:18:28 executing program 7 (fault-call:4 fault-nth:52): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:28 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xb}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:28 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x48}, 0x0) [ 697.566970] FAULT_INJECTION: forcing a failure. [ 697.566970] name failslab, interval 1, probability 0, space 0, times 0 [ 697.578428] CPU: 0 PID: 18751 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 697.585912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 697.595286] Call Trace: [ 697.597906] dump_stack+0x1b9/0x294 [ 697.601567] ? dump_stack_print_info.cold.2+0x52/0x52 [ 697.606803] should_fail.cold.4+0xa/0x1a [ 697.610893] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 697.616024] ? perf_trace_lock+0x900/0x900 [ 697.620290] ? graph_lock+0x170/0x170 [ 697.624113] ? memset+0x31/0x40 [ 697.627424] ? find_held_lock+0x36/0x1c0 [ 697.631534] ? __lock_is_held+0xb5/0x140 [ 697.635640] ? check_same_owner+0x320/0x320 [ 697.639981] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 697.645014] ? rcu_note_context_switch+0x710/0x710 [ 697.649969] should_failslab+0x124/0x180 [ 697.654050] __kmalloc_track_caller+0x2c4/0x760 [ 697.658734] ? string+0x21d/0x2c0 [ 697.662262] ? perf_trace_lock+0xd6/0x900 [ 697.666426] ? kstrdup_const+0x66/0x80 [ 697.670336] kstrdup+0x39/0x70 [ 697.673548] kstrdup_const+0x66/0x80 [ 697.677289] __kernfs_new_node+0xa8/0x580 [ 697.681464] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 697.686248] ? pointer+0xa20/0xa20 [ 697.689809] ? graph_lock+0x170/0x170 [ 697.693631] ? snprintf+0xa5/0xd0 [ 697.697102] ? vsprintf+0x40/0x40 [ 697.700583] kernfs_new_node+0x80/0xf0 [ 697.704497] __kernfs_create_file+0x4d/0x330 [ 697.708928] cgroup_addrm_files+0x437/0xaf0 [ 697.713277] ? rcu_is_watching+0x85/0x140 [ 697.717443] ? cgroup_css.part.14+0x1f0/0x1f0 [ 697.721946] ? find_held_lock+0x36/0x1c0 [ 697.726032] ? mem_cgroup_css_online+0x23e/0x300 [ 697.730805] ? mem_cgroup_count_precharge_pte_range+0x5c0/0x5c0 [ 697.736901] ? __lock_is_held+0xb5/0x140 [ 697.741003] ? kasan_check_write+0x14/0x20 [ 697.745264] ? online_css+0x259/0x330 [ 697.749096] css_populate_dir+0x1a8/0x420 [ 697.753277] cgroup_apply_control_enable+0x43b/0xce0 [ 697.758426] ? cgroup_propagate_control+0x5a0/0x5a0 [ 697.763469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.769042] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 697.773562] ? cgroup_file_name+0x1f0/0x1f0 [ 697.777925] ? css_populate_dir+0x2a2/0x420 [ 697.782276] cgroup_mkdir+0x825/0x10d0 [ 697.786198] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 697.790973] ? put_itimerspec64+0x310/0x310 [ 697.795317] ? set_nlink+0xaf/0x140 [ 697.798974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.804532] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 697.810086] ? kernfs_get_active+0xb2/0x120 [ 697.814420] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 697.819194] kernfs_iop_mkdir+0x159/0x1e0 [ 697.823349] ? getname_flags+0xd0/0x5a0 [ 697.827340] vfs_mkdir+0x42e/0x6b0 [ 697.830907] do_mkdirat+0x266/0x2f0 [ 697.834558] ? SyS_mknod+0x40/0x40 [ 697.838123] ? ksys_mount+0xa8/0x140 [ 697.841889] ? do_syscall_64+0xb7/0x9d0 [ 697.845886] SyS_mkdir+0x22/0x30 [ 697.849273] ? SyS_mkdirat+0x30/0x30 [ 697.853003] do_syscall_64+0x29e/0x9d0 [ 697.856904] ? vmalloc_sync_all+0x30/0x30 [ 697.861339] ? _raw_spin_unlock_irq+0x27/0x70 [ 697.865863] ? finish_task_switch+0x1ca/0x820 [ 697.870390] ? syscall_return_slowpath+0x5c0/0x5c0 [ 697.875352] ? syscall_return_slowpath+0x30f/0x5c0 [ 697.880320] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 697.885714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.890587] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 697.895785] RIP: 0033:0x455259 [ 697.898983] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 697.906714] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 697.913996] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 697.921274] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 697.928552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 697.935849] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000034 [ 697.943715] cgroup: cgroup_addrm_files: failed to add current, err=-12 2018/04/09 10:18:29 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xa, &(0x7f0000000080)=0x2000000101, 0xffffff19) 2018/04/09 10:18:29 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0xf}, 0x0) 2018/04/09 10:18:29 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x13}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:29 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f0000000100)='gid_map\x00') ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000000)=0x0) fcntl$lock(r0, 0x5, &(0x7f0000000080)={0x2, 0x1, 0x81, 0x81, r1}) preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000080)}], 0x1, 0xff) 2018/04/09 10:18:29 executing program 7 (fault-call:4 fault-nth:53): perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/09 10:18:29 executing program 4: r0 = syz_open_dev$vcsa(&(0x7f0000000100)='/dev/vcsa#\x00', 0xd1, 0x200) r1 = syz_open_dev$mouse(&(0x7f0000000180)='/dev/input/mouse#\x00', 0x2, 0x101000) syz_open_dev$sndtimer(&(0x7f0000000200)='/dev/snd/timer\x00', 0x0, 0x6da5e3967d639bdc) ioctl$KVM_IOEVENTFD(r0, 0x4040ae79, &(0x7f00000001c0)={0x0, &(0x7f0000000140), 0x0, r1, 0xb}) r2 = socket$inet_sctp(0x2, 0x5, 0x84) mmap(&(0x7f0000000000/0xaa1000)=nil, 0xaa1000, 0x4, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}}}, &(0x7f00000000c0)=0xa0) 2018/04/09 10:18:29 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) r1 = shmget(0x1, 0x3000, 0x1a08, &(0x7f0000ffb000/0x3000)=nil) shmat(r1, &(0x7f0000ffc000/0x1000)=nil, 0x0) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x2000, 0x0) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:29 executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0x40040000000f, &(0x7f00000002c0)=0x4000000000004, 0x211) r1 = accept$unix(0xffffffffffffff9c, &(0x7f0000000500)=@abs, &(0x7f0000000580)=0x6e) r2 = accept$unix(r1, &(0x7f00000005c0)=@abs, &(0x7f0000000640)=0x6e) connect$inet6(r0, &(0x7f0000f6dfe4)={0xa, 0x0, 0x0, @empty, 0x80000001}, 0x1c) recvfrom(r0, &(0x7f0000000000)=""/126, 0x7e, 0x20, &(0x7f0000000080)=@sco={0x1f, {0x3, 0x1, 0x1, 0x3, 0x0, 0x4}}, 0x80) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000780)) r3 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vhost-net\x00', 0x2, 0x0) pread64(r3, &(0x7f0000000680)=""/46, 0x2e, 0x0) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f00000001c0)={0x7, r0, 0x1}) getsockopt$inet_sctp_SCTP_EVENTS(r4, 0x84, 0xb, &(0x7f0000000900), &(0x7f0000000940)=0xb) accept$unix(r4, &(0x7f0000000200)=@abs, &(0x7f0000000280)=0x6e) membarrier(0x7, 0x0) rename(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='./file0\x00') setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000400)={@in={{0x2, 0x4e23}}, 0x5, 0xb9, 0xee, "bc59629783ba6589c1b46c8307d35eec2b2db9a1c7bbdbc4ac98d9ed1847d85a5691bb4ba17d8b829cf132e48b56b47618dd68e5b6e6b872df22ffb015dcd656f9174ab46165a77658ae25f47d9d37f3"}, 0xd8) getsockopt$inet_sctp6_SCTP_GET_ASSOC_NUMBER(r4, 0x84, 0x1c, &(0x7f0000000300), &(0x7f0000000340)=0x4) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r4, 0x84, 0x22, &(0x7f00000006c0)={0x2, 0x8, 0x1, 0x5de0, 0x0}, &(0x7f0000000700)=0x10) getsockopt$inet_sctp_SCTP_MAXSEG(r4, 0x84, 0xd, &(0x7f0000000740)=@assoc_value={0x0, 0x9a94}, &(0x7f00000007c0)=0x8) getsockopt$inet_sctp_SCTP_STATUS(r4, 0x84, 0xe, &(0x7f0000000800)={r5, 0x81, 0x3f, 0xc1a, 0x5, 0x3, 0x0, 0x9, {r6, @in6={{0xa, 0x4e22, 0x9, @local={0xfe, 0x80, [], 0xaa}, 0x9}}, 0x9, 0xc4, 0x5, 0x9, 0xffffffffffffffe1}}, &(0x7f00000008c0)=0xb0) getsockopt$bt_BT_SNDMTU(r4, 0x112, 0xc, &(0x7f0000000380)=0x9, &(0x7f00000003c0)=0x2) [ 698.493005] FAULT_INJECTION: forcing a failure. [ 698.493005] name failslab, interval 1, probability 0, space 0, times 0 [ 698.504445] CPU: 0 PID: 18776 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 698.511309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 698.520680] Call Trace: [ 698.523298] dump_stack+0x1b9/0x294 [ 698.526952] ? dump_stack_print_info.cold.2+0x52/0x52 [ 698.532184] should_fail.cold.4+0xa/0x1a [ 698.536276] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 698.541407] ? perf_trace_lock+0x900/0x900 [ 698.545666] ? graph_lock+0x170/0x170 [ 698.549494] ? memset+0x31/0x40 [ 698.552809] ? find_held_lock+0x36/0x1c0 [ 698.556900] ? __lock_is_held+0xb5/0x140 [ 698.561005] ? check_same_owner+0x320/0x320 [ 698.565353] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 698.570401] ? rcu_note_context_switch+0x710/0x710 [ 698.575636] should_failslab+0x124/0x180 [ 698.579729] __kmalloc_track_caller+0x2c4/0x760 [ 698.584426] ? string+0x21d/0x2c0 [ 698.587915] ? kstrdup_const+0x66/0x80 [ 698.591832] kstrdup+0x39/0x70 [ 698.595053] kstrdup_const+0x66/0x80 [ 698.598792] __kernfs_new_node+0xa8/0x580 [ 698.602970] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 698.607758] ? pointer+0xa20/0xa20 [ 698.611323] ? graph_lock+0x170/0x170 [ 698.615309] ? snprintf+0xa5/0xd0 [ 698.618762] ? vsprintf+0x40/0x40 [ 698.622233] kernfs_new_node+0x80/0xf0 [ 698.626127] __kernfs_create_file+0x4d/0x330 [ 698.630537] cgroup_addrm_files+0x437/0xaf0 [ 698.634855] ? rcu_is_watching+0x85/0x140 [ 698.639006] ? cgroup_css.part.14+0x1f0/0x1f0 [ 698.643850] ? find_held_lock+0x36/0x1c0 [ 698.647920] ? mem_cgroup_css_online+0x23e/0x300 [ 698.652671] ? mem_cgroup_count_precharge_pte_range+0x5c0/0x5c0 [ 698.658733] ? __lock_is_held+0xb5/0x140 [ 698.662801] ? kasan_check_write+0x14/0x20 [ 698.667041] ? online_css+0x259/0x330 [ 698.671193] css_populate_dir+0x1a8/0x420 [ 698.675346] cgroup_apply_control_enable+0x43b/0xce0 [ 698.680456] ? cgroup_propagate_control+0x5a0/0x5a0 [ 698.685469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.691008] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 698.695501] ? cgroup_file_name+0x1f0/0x1f0 [ 698.699826] ? css_populate_dir+0x2a2/0x420 [ 698.704160] cgroup_mkdir+0x825/0x10d0 [ 698.708060] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 698.712825] ? put_itimerspec64+0x310/0x310 [ 698.717146] ? set_nlink+0xaf/0x140 [ 698.720770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.726302] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 698.731835] ? kernfs_get_active+0xb2/0x120 [ 698.736154] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 698.740905] kernfs_iop_mkdir+0x159/0x1e0 [ 698.745049] ? getname_flags+0xd0/0x5a0 [ 698.749038] vfs_mkdir+0x42e/0x6b0 [ 698.752575] do_mkdirat+0x266/0x2f0 [ 698.756200] ? SyS_mknod+0x40/0x40 [ 698.759741] ? ksys_mount+0xa8/0x140 [ 698.763449] ? do_syscall_64+0xb7/0x9d0 [ 698.767590] SyS_mkdir+0x22/0x30 [ 698.770945] ? SyS_mkdirat+0x30/0x30 [ 698.774651] do_syscall_64+0x29e/0x9d0 [ 698.778530] ? vmalloc_sync_all+0x30/0x30 [ 698.782668] ? _raw_spin_unlock_irq+0x27/0x70 [ 698.787160] ? finish_task_switch+0x1ca/0x820 [ 698.791649] ? syscall_return_slowpath+0x5c0/0x5c0 [ 698.796570] ? syscall_return_slowpath+0x30f/0x5c0 [ 698.801520] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 698.806886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 698.811730] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 698.816922] RIP: 0033:0x455259 [ 698.820119] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 698.827818] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 698.835079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 2018/04/09 10:18:29 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x9}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:29 executing program 1: r0 = openat$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 = dup3(r2, r0, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000000)=[@text64={0x40, &(0x7f0000000040)="440f20c0350e000000440f22c0260f013ab805000000b9078000000f01d9b9321001c0b802000000ba000000000f30c744240000f0d9e8c744240204000000c7442406000000000f011424c4227d0ff70f353e660f38814d0ac4e27d8c07668ec5", 0x61}], 0x1, 0xfffffffffffffffe, &(0x7f0000000000), 0x0) setsockopt$SO_RDS_MSG_RXPATH_LATENCY(0xffffffffffffffff, 0x114, 0xa, &(0x7f00000000c0)=ANY=[@ANYBLOB="0c3a4d2095e5513c02601ad392ac48"], 0x2) ioctl$KVM_RUN(r3, 0xae80, 0x0) socket$bt_rfcomm(0x1f, 0x0, 0x3) 2018/04/09 10:18:29 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x24}, 0x0) 2018/04/09 10:18:29 executing program 4: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vga_arbiter\x00', 0x80000, 0x0) ioctl$TIOCGLCKTRMIOS(r0, 0x5456, &(0x7f0000000100)={0x6, 0x20, 0x1ff, 0x7f, 0x80000001, 0x5, 0x565, 0xcb1, 0x3, 0x6, 0xa130000000000, 0x2921}) r1 = socket$inet(0x2, 0x3, 0x6) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x0, 0x80, &(0x7f0000000040)=@nat={'nat\x00', 0x19, 0x3, 0x4a0, [0x20000380, 0x0, 0x0, 0x200003b0, 0x200006f8], 0x0, &(0x7f0000000000), &(0x7f0000000380)=[{0x0, '\x00', 0x0, 0xffffffffffffffff}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x2, [{{{0xb, 0x0, 0x0, 'tunl0\x00', 'bridge0\x00', 'ip6tnl0\x00', 'syz_tun\x00', @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], @link_local={0x1, 0x80, 0xc2}, [], 0x70, 0xa8, 0xe0}, [@common=@dnat={'dnat\x00', 0x10, {{@link_local={0x1, 0x80, 0xc2}, 0xfffffffffffffffc}}}]}, @arpreply={'arpreply\x00', 0x10, {{@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}}}}, {{{0x5, 0x0, 0x0, 'ifb0\x00', 'ip_vti0\x00', 'nr0\x00', 'tunl0\x00', @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], @empty, [], 0xd0, 0x108, 0x238, [@pkttype={'pkttype\x00', 0x8}, @cpu={'cpu\x00', 0x8}]}, [@arpreply={'arpreply\x00', 0x10, {{@random="7eb715f22534"}}}]}, @common=@SECMARK={'SECMARK\x00', 0x108, {{0x0, 0x0, 'system_u:object_r:crack_db_t:s0\x00'}}}}]}, {0x0, '\x00', 0x2, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'bridge0\x00', 'tunl0\x00', 'irlan0\x00', 'ip6gretap0\x00', @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0xa8, 0xf8}, [@arpreply={'arpreply\x00', 0x10, {{@link_local={0x1, 0x80, 0xc2}}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x0, 'syz1\x00'}}}}]}]}, 0x518) 2018/04/09 10:18:29 executing program 6: r0 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) openat$cgroup(r0, &(0x7f0000000000)='syz1\x00', 0x200002, 0x0) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000040), 0x4) [ 698.842338] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 698.849601] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 698.856865] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000035 [ 698.864614] cgroup: cgroup_addrm_files: failed to add current, err=-12 2018/04/09 10:18:29 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000300)='smaps\x00') setsockopt$inet_mreq(r1, 0x0, 0x27, &(0x7f0000000340)={@loopback=0x7f000001, @loopback=0x7f000001}, 0x8) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f00000000c0)) r2 = add_key(&(0x7f0000000080)='keyring\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000380)="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", 0x1000, 0xfffffffffffffffe) keyctl$clear(0x7, r2) r3 = gettid() r4 = syz_open_procfs(r3, &(0x7f00000001c0)='children\x00') bind$bt_rfcomm(r4, &(0x7f0000000040)={0x1f, {0x6, 0x7, 0x6, 0x9, 0x8, 0x10001}}, 0xa) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendfile(r0, r4, &(0x7f0000a2effc)=0x4000000, 0x1002) 2018/04/09 10:18:29 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x5000}, 0x0) 2018/04/09 10:18:29 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x1200000000000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:29 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x800, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000040), &(0x7f00000000c0)=0xc) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r1, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:30 executing program 0: r0 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffd) r1 = add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a}, 0x0, 0x0, r0) add_key$user(&(0x7f0000000580)='user\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a}, &(0x7f0000000640), 0x0, 0x0) r2 = add_key$user(&(0x7f0000ef5000)='user\x00', &(0x7f00008fa000)={0x73, 0x79, 0x7a}, &(0x7f0000537ffd)='\x00', 0x1, r1) r3 = add_key$user(&(0x7f0000688000)='user\x00', &(0x7f00008d9ffb)={0x73, 0x79, 0x7a}, &(0x7f0000000200)="b33ab76079ebe0d14f729cd653e520d29ad7ef0000000000000044c249cf44230b9387fb8bd6ed266ccf59ef70995bf2e8e0ecd3fff32853747eda22d2818d08ca27e0ec828ce0e365a0e6b9485f2d925493f62113e33e5f8c7eba67fc19a9497f5b07e5849d2e875b066cd6401d36616fe0f3c3002801b4627ee7597689525e8e81f750a86eb580fb4690ea52246bd3d32b1a91f944edb74b1f50ae08c5387ed8fd0598b600579f3af3f864e1c324f6928f6672f98f7e149bd61bd78b506e8bd69b02620d72ea326556ce5ce1c0c75d96ac0000000000000007480192b6e519bf7c0b700d89139a40b7fb8e06a9237d7eb0d0cf97621525f9", 0xf9, r1) setxattr(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)=@random={'trusted.', 'md5sumselinux&^vmnet1&/{%keyringwlan0cpuset\x00'}, &(0x7f00000001c0)='keyring\x00', 0x8, 0x1) r4 = request_key(&(0x7f0000a98ffb)='user\x00', &(0x7f0000626000)={0x73, 0x79, 0x7a}, &(0x7f0000dde000)="2f6465612f7675746f66730719", 0x0) keyctl$dh_compute(0x17, &(0x7f00004c8ff4)={r2, r3, r4}, &(0x7f00005cd000), 0x0, &(0x7f000010c000)={&(0x7f0000bf4ff3)={'ghash-generic\x00'}, &(0x7f0000000000)}) 2018/04/09 10:18:30 executing program 5: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) socketpair(0xf, 0x5, 0xc8e, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$team(&(0x7f00000000c0)='team\x00') getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000000140)={@empty, 0x0}, &(0x7f0000000180)=0x14) accept4$packet(0xffffffffffffff9c, &(0x7f0000000280)={0x0, 0x0, 0x0}, &(0x7f00000002c0)=0x14, 0x80800) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000001200)={'ip6tnl0\x00', 0x0}) sendmsg$TEAM_CMD_NOOP(r1, &(0x7f0000001400)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000013c0)={&(0x7f0000001240)={0x148, r2, 0x4, 0x70bd2b, 0x25dfdbfd, {}, [{{0x8, 0x1, r3}, {0x120, 0x2, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r4}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x72}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4}}}]}}, {{0x8, 0x1, r5}, {0x4, 0x2}}]}, 0x148}, 0x1, 0x0, 0x0, 0x8044}, 0x20000080) 2018/04/09 10:18:30 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x900000000000000}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:30 executing program 7 (fault-call:4 fault-nth:54): 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) 2018/04/09 10:18:30 executing program 1: syz_mount_image$btrfs(&(0x7f00000000c0)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000040)="cc1373fc000000000000000000000000000000000000000000000000000000003030b86e0d5f4090902c6457136cf04d000001000000000001000000000000005f42485266535f4d", 0x48, 0x10000}], 0x1, &(0x7f00000002c0)=ANY=[]) syz_mount_image$minix(&(0x7f0000000000)='minix\x00', &(0x7f0000000140)='./file0\x00', 0x98a, 0x3, &(0x7f0000000440)=[{&(0x7f0000000240)="3c7d915275dbf80f1c5d5205610e27dfa89315f16529ce3cfb69c20656ce1ec2d614617f1558c1ddc123852fc73d1c544d77f74157f07cc6bd8dd3082870a2e157b0555e0523e4eb8d4b55842327211aced6522c49142d431de61344608ab1f594219c0de227e07f88f9f1b60ede06a2aca84cee1a30812af1f8038735f42eb73c16f8a8410ad8e2b40132ba4dcc1f44a7b9941299301337f41bc8898d263b5d5880d28f9e195092f5ab1402a9279796c718b6bec0a489c64bc0e35c29e2f518c41e209dd9f62ee6623d926ac7c38e817ca130665ac9", 0xd6, 0x4}, {&(0x7f0000000180)="a7b8de3792b7a8", 0x7, 0xfffffffffffffffb}, {&(0x7f0000000340)="9b3bedd6bff17b4689aaaa806c2b4c03f19dafb112ce85fffad53dcc59629ce9501bc8bca35fb22a8b74f3424bcd30d24859a52470890bbda34b95cb7ab92eacb2e8fd4db956a09ddf3919586260fed5b211e66e59168e733b2bb62e8de460bc71dabb3b942267cff84a72a7ec4a1a3ed1f8f7032183f32adbc7e4406863f1812faa68bb603d96ebd19fa3a880b25fe096a3d346d89c659f8fc2574e44215e2c441f25f14ff47929e5d81e6305498d4d2a3534f36d9a2e856630efb05b2df9139b70b427ad", 0xc5, 0x6}], 0x40000, 0x0) 2018/04/09 10:18:30 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0xe2080, 0x0) recvfrom$llc(r0, &(0x7f0000000040)=""/4096, 0x1000, 0x1, &(0x7f0000001040)={0x1a, 0x0, 0x4, 0x0, 0x1, 0x40, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x10) getsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000001080)=@assoc_value, &(0x7f00000010c0)=0x8) r1 = shmget(0x0, 0x1000, 0x200, &(0x7f0000fff000/0x1000)=nil) shmctl$IPC_STAT(r1, 0x2, &(0x7f0000001100)=""/47) mq_timedreceive(r0, &(0x7f0000001140)=""/12, 0xc, 0x4, &(0x7f0000001180)) mprotect(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x5a653ad011d6e2e1) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000001200)={&(0x7f00000011c0)='./file0\x00', r0}, 0x10) sync_file_range(r0, 0x4, 0x5, 0x4) ioctl$DRM_IOCTL_INFO_BUFS(r0, 0xc0106418, &(0x7f0000001240)={0xb9, 0x4, 0x6, 0x0, 0x0, 0x7ff}) ioctl$KVM_SET_XSAVE(r0, 0x5000aea5, &(0x7f0000001280)={"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"}) r2 = accept4$nfc_llcp(r0, &(0x7f0000001680), &(0x7f0000001700)=0x60, 0x80800) ioctl$TIOCGSID(r2, 0x5429, &(0x7f0000001740)=0x0) ptrace$pokeuser(0x6, r3, 0x0, 0x8fb6) setuid(0x0) ioctl$GIO_UNIMAP(r0, 0x4b66, &(0x7f0000001880)={0x3, &(0x7f0000001840)=[{}, {}, {}]}) r4 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000001900)={&(0x7f00000018c0)='./file0\x00'}, 0x10) shmctl$IPC_INFO(r1, 0x3, &(0x7f0000001940)=""/108) prctl$setptracer(0x59616d61, r3) socket$unix(0x1, 0x1, 0x0) ioctl$DRM_IOCTL_FREE_BUFS(r0, 0x4010641a, &(0x7f00000017c0)={0x1, &(0x7f0000001800)=[0x7ff]}) setsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f00000019c0)=0x2, 0x4) mlock2(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1) setsockopt$inet6_udp_int(r0, 0x11, 0x65, &(0x7f0000001a00)=0x7ba, 0x4) read(r4, &(0x7f0000001a40)=""/110, 0x6e) getsockopt$inet_sctp6_SCTP_GET_ASSOC_NUMBER(r0, 0x84, 0x1c, &(0x7f0000001ac0), &(0x7f0000001b00)=0x4) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x2400, 0x2) setsockopt$RDS_GET_MR_FOR_DEST(r0, 0x114, 0x7, &(0x7f0000001bc0)={@pppol2tpv3in6={0x18, 0x1, {0x0, r0, 0x1, 0x1, 0x2, 0x0, {0xa, 0x4e21, 0x8a3b, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x7}}}, {&(0x7f0000001b40)=""/44, 0x2c}, &(0x7f0000001b80), 0x2}, 0xa0) write$cgroup_subtree(r0, &(0x7f0000001c80)={[{0x2f, 'memory', 0x20}, {0x2b, 'rdma', 0x20}]}, 0xe) ioctl$sock_inet6_tcp_SIOCATMARK(r0, 0x8905, &(0x7f0000001d80)) 2018/04/09 10:18:30 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000080), 0x4) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x2, 0x0) r2 = syz_genetlink_get_family_id$team(&(0x7f00000000c0)='team\x00') getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000100)={{{@in6=@remote, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in6=@loopback}}, &(0x7f0000000200)=0xe8) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f00000002c0)={{{@in=@loopback, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in6}}, &(0x7f00000003c0)=0xe8) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000400)={'team0\x00', 0x0}) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000000500)={{{@in=@local, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in=@multicast1}}, &(0x7f0000000600)=0xe8) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x23, &(0x7f0000000640)={@rand_addr, @multicast1, 0x0}, &(0x7f0000000680)=0xc) accept$packet(0xffffffffffffff9c, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f00000007c0)=0x14) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000800)={'sit0\x00', 0x0}) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000000840)={{{@in6=@remote, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in6}}, &(0x7f0000000940)=0xe8) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f0000000980)={{{@in6=@mcast2, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in=@dev}}, &(0x7f0000000a80)=0xe8) getsockopt$inet_pktinfo(0xffffffffffffff9c, 0x0, 0x8, &(0x7f0000000ac0)={0x0, @local}, &(0x7f0000000b00)=0xc) getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f0000000ec0)={{}, {{}, 0x0, @in6=@local}}, &(0x7f0000000240)=0xe8) sendmsg$TEAM_CMD_NOOP(r1, &(0x7f0000000e80)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8040}, 0xc, &(0x7f0000000e40)={&(0x7f0000000b40)={0x2d0, r2, 0x0, 0x70bd2d, 0x25dfdbff, {}, [{{0x8, 0x1, r3}, {0x40, 0x2, [{0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r4}}}]}}, {{0x8, 0x1, r5}, {0x26c, 0x2, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r6}}, {0x8, 0x7}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0xfffffffffffffff8}}, {0x8, 0x7}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xffffffffffffffff}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x3f}}, {0x8, 0x6, r7}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r8}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x81}}, {0x8, 0x6, r9}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r10}}, {0x8, 0x7}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x4}}, {0x8, 0x6, r11}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r12}}}]}}]}, 0x2d0}, 0x1, 0x0, 0x0, 0x4000}, 0x8001) 2018/04/09 10:18:30 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x200009b8}, 0x0) [ 700.159344] FAULT_INJECTION: forcing a failure. [ 700.159344] name failslab, interval 1, probability 0, space 0, times 0 [ 700.170701] CPU: 0 PID: 18856 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 700.177560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 700.186938] Call Trace: [ 700.189560] dump_stack+0x1b9/0x294 [ 700.193228] ? dump_stack_print_info.cold.2+0x52/0x52 [ 700.198447] ? find_next_zero_bit+0x111/0x140 [ 700.202986] should_fail.cold.4+0xa/0x1a [ 700.207083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 700.212237] ? graph_lock+0x170/0x170 [ 700.216085] ? find_held_lock+0x36/0x1c0 [ 700.220198] ? __lock_is_held+0xb5/0x140 [ 700.224311] ? check_same_owner+0x320/0x320 [ 700.228662] ? rcu_note_context_switch+0x710/0x710 [ 700.233635] should_failslab+0x124/0x180 [ 700.237738] kmem_cache_alloc_node_trace+0x26f/0x770 [ 700.242873] ? idr_alloc_u32+0x3b0/0x3b0 [ 700.246969] ? do_raw_spin_unlock+0x9e/0x2e0 [ 700.251425] mem_cgroup_css_alloc+0x3b5/0x1a00 [ 700.256161] ? setup_cpu_cache+0x1c0/0x1c0 [ 700.260431] ? __kernfs_new_node+0x41e/0x580 [ 700.264877] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 700.269676] ? graph_lock+0x170/0x170 [ 700.273504] ? kasan_check_write+0x14/0x20 [ 700.277782] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 700.283362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.288936] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 700.293453] ? cgroup_file_name+0x1f0/0x1f0 [ 700.297799] ? __lock_is_held+0xb5/0x140 [ 700.301895] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 700.307456] ? cgroup_addrm_files+0x786/0xaf0 [ 700.311982] ? graph_lock+0x170/0x170 [ 700.315799] ? cgroup_css.part.14+0x1f0/0x1f0 [ 700.320306] ? find_held_lock+0x36/0x1c0 [ 700.324398] ? graph_lock+0x170/0x170 [ 700.328212] ? __lock_is_held+0xb5/0x140 [ 700.332304] ? __lock_is_held+0xb5/0x140 [ 700.336397] cgroup_apply_control_enable+0x52d/0xce0 [ 700.341531] ? cgroup_propagate_control+0x5a0/0x5a0 [ 700.347183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.352733] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 700.357239] ? cgroup_file_name+0x1f0/0x1f0 [ 700.361588] ? css_populate_dir+0x2a2/0x420 [ 700.365919] cgroup_mkdir+0x825/0x10d0 [ 700.369817] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 700.374578] ? put_itimerspec64+0x310/0x310 [ 700.378903] ? set_nlink+0xaf/0x140 [ 700.382534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.388068] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 700.393601] ? kernfs_get_active+0xb2/0x120 [ 700.397938] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 700.402689] kernfs_iop_mkdir+0x159/0x1e0 [ 700.406840] ? getname_flags+0xd0/0x5a0 [ 700.410814] vfs_mkdir+0x42e/0x6b0 [ 700.414352] do_mkdirat+0x266/0x2f0 [ 700.417976] ? SyS_mknod+0x40/0x40 [ 700.421531] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 700.426370] ? do_syscall_64+0xb7/0x9d0 [ 700.430339] SyS_mkdir+0x22/0x30 [ 700.433698] ? SyS_mkdirat+0x30/0x30 [ 700.437405] do_syscall_64+0x29e/0x9d0 [ 700.441292] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 700.446142] ? syscall_return_slowpath+0x5c0/0x5c0 [ 700.451087] ? syscall_return_slowpath+0x30f/0x5c0 [ 700.456032] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 700.461392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 700.466233] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 700.471410] RIP: 0033:0x455259 [ 700.474587] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 700.482293] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 700.489553] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 700.496814] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/09 10:18:30 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38, 0x100000000000000}, 0x0) 2018/04/09 10:18:31 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0x3}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:31 executing program 5: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000200)='/dev/hwrng\x00', 0x4300, 0x0) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(0xffffffffffffff9c, 0x84, 0x77, &(0x7f00000004c0)=ANY=[@ANYRES32=0x0, @ANYBLOB="00000000000000000000000000007b2e7d8e49162d021ac7e513cb5499d6161ce302f0f382f8192033f20dab350df65a4d9f02a3896e160e5103cf70a593d087c6cf16c286e0fb262782b3150c92f8e0187eae98207044fec0"], &(0x7f0000000300)=0x12) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000340)={r1, 0xf508}, &(0x7f0000000380)=0x8) r2 = 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, 0x0, 0xffffffffffffffff, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) r4 = dup2(r3, r2) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000140)={0x0, @in6={{0xa, 0x4e20, 0x401, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0x8}}, 0x40, 0xffffffff, 0xfffffffffffffffa, 0x6, 0x40}, &(0x7f0000000000)=0x98) sendmsg(r2, &(0x7f0000000580)={&(0x7f0000000280)=@can={0x1d}, 0x80, &(0x7f0000000540), 0x0, &(0x7f0000001900)=[{0x48, 0x10f, 0x6, "d890877465a58e172101b8cde595dfd3757f6526256281acd034237971b4f4430433a0e9d5dccbb2c72b82adf2a934c2ba2c9eb42c8ccc72"}, {0x1010, 0x118, 0x1, "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"}, {0xd0, 0x88, 0x101, "3039bc7ffefa0270e6c93a88a21d62abca2577e4e15639058cd06014bdd7eb34dc49bb7876d7339a519d17f430fc450f519be2d1b4278233f4e88daf759cd8ebf3c7f32f9fe435200d4086948d9cb35a28bf9e8e1d289c00076dc674f3d181b1776b8b3ff54e712e47a3df8e3ae2f0fa8e019291388c4d46454a970e69f65103553c54e01aa5eaa97e56ab9e163478263702b23350901d6584cddfb95ca6c0bdc13a5baa8992bb269e025217b7297bf64ba9b3ff2ea6cd4ed93d39ea4415"}, {0x20, 0x13f, 0x100, "241d667375401fee62df8e40fd"}, {0x40, 0x1ff, 0xfff, "4f4c369325b7a84769da37efe4177c21876bd50cea3c3db07e78d1bafc0af1d87443ca1d1f322a6b2f5664934610be85"}, {0x10, 0x103}, {0xb0, 0x110, 0x100, "98d7214483bfe7cf691434e5cce74fc8bb7cffea07da6c45371aa63a8af9f9bd104482bb7b32021f84a06d8ecb3f45344bcf5948f10697f712e42046c7cbf29254d66da717235de3b1c6ce1ee29d5b7b0003d562a93dfe1912ff2200015f3a29e24c2f432d2dcd9575d01e48e1a7eb6afd81199b89b6b30ac9872aaee04d1f2811b4b93639092aa60a346c48d879cc091c46cd981f31f06741169ff9ce7cf5d8"}, {0x90, 0x10f, 0x80, "265fb32ed70c26d598bc0ef334b4ed0bb7a10566e4f98e7645bda308b94b379d6b43ce335be434e11adea8286bef56ba1c2bb9ebd37d005553761565001ac5f1e2a6a2bfe6dc09a6d2c53054405c94c0101f32edf13c6d1badc41389350c8b122c3637ec6de863e7202db2101cd87633b67fe6678650fc0e7bad2a"}, {0x88, 0x84, 0x1000000000000000, "bc77fb30fc21f58637c954e26296f7997fbfd5e7ee311771f0a6dc89ca7e88b3b7628f9935164b186c35d7cd58c10f5571457af1269c46f30b8db0d5d602ce3ff7375ccdb1ca96de5fce7634881e58a9d83a17d4dba7c98e97755440f0aac32b24c278fe7918397c0f2866b4aefa17d5cf2ab169"}, {0x100, 0x114, 0x6, "29cea0209f528cb3457222d1d1feca624f335dd74af05e84511a71d9965a620ca5b74fb1a0672d9a7571d69fbd5b865dd7db7f8bcdded6cf383e30f75616fd00a06ba9cb8ac6cd2695e6ddb30922564ef301270d453a71742ebe734e501dd45547d64eb09a64ebc173f1bb62786cca112590ab50fa65a1f4345597bb2155f251c38dac8cf37ee5f6a353bb32b085b4f579293aa313dc8e770de07b7d33a3d80ab578753d241804159e47b1d69c637c21a2a0cd3676495f034a4a30e454849f89d4c0fa5c4cb2c0294042817e04876de61b848aba29397b52523824aa9f13ab805777a09adfd10fe6bfc70f56"}], 0x1460}, 0x840) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r4, 0x84, 0x73, &(0x7f0000000040)={r5, 0x8, 0x10, 0xfffffffffffffffc, 0x58a}, &(0x7f00000000c0)=0x18) getsockopt$bt_l2cap_L2CAP_CONNINFO(r0, 0x6, 0x2, &(0x7f0000000540), &(0x7f00000005c0)=0x6) ioctl$PPPIOCGCHAN(r3, 0x80047437, &(0x7f0000000100)) ioctl$DRM_IOCTL_SET_UNIQUE(r0, 0x40106410, &(0x7f0000000240)={0xd8, &(0x7f00000003c0)="844511ecbe480912cb1a75613b8795b710c8ce2f296c73d2962588ac15e83b8cdc13cbe2123215c076af7e860359f7d60d3e74d1d20c4c31f379a8f8a8a1bf3364b587c9dc49f651147fb84f6abb99faa95f8b12ef7ef3c8ce5232992440891cb53dd5fbaab0037d988502da3504a139a084ad0a261cac4a574c312ccab254a33a9152517ce83a4f0b3e7faaa10e3062bb32aa01138460d5cd874e83fd5dd015eb63ac7ea81326e69fd8070d204c4ab3726ba1530a363665f225cc9bf2543426d169002d7a688184e7781764dc81e04fdfed31a39e4b6e73"}) sendmsg$netrom(r3, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) 2018/04/09 10:18:31 executing program 4: clone(0x200, &(0x7f0000000080), &(0x7f0000c53000), &(0x7f0000000180), &(0x7f0000000000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x103c, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000ca5fe8), &(0x7f00006fcff0)) r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x4, 0xffffffffffffffff, 0xffffffffffffffff) openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) execveat(0xffffffffffffffff, &(0x7f0000000400)='./file1\x00', &(0x7f00000004c0), &(0x7f0000000500), 0x0) creat(&(0x7f0000000240)='./file0\x00', 0x0) [ 700.504074] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 700.511333] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000036 [ 700.518993] kasan: CONFIG_KASAN_INLINE enabled [ 700.524230] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 700.531747] general protection fault: 0000 [#1] SMP KASAN [ 700.537301] Dumping ftrace buffer: [ 700.540848] (ftrace buffer empty) [ 700.544563] Modules linked in: [ 700.547773] CPU: 0 PID: 18856 Comm: syz-executor7 Not tainted 4.16.0+ #4 [ 700.554617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 700.564002] RIP: 0010:__mem_cgroup_free+0x71/0x110 [ 700.568944] RSP: 0018:ffff8801b29ff538 EFLAGS: 00010206 [ 700.574330] RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffffc90006aee000 [ 700.581620] RDX: 0000000000040000 RSI: ffffffff8330e91e RDI: 0000000000000088 [ 700.588909] RBP: ffff8801b29ff558 R08: ffff88018fd005c0 R09: ffffed003b6046c2 [ 700.596204] R10: ffffed003b6046c2 R11: ffff8801db023613 R12: 0000000000000000 [ 700.603488] R13: ffff88018fc2c000 R14: dffffc0000000000 R15: ffff88018fc2c000 2018/04/09 10:18:31 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38, 0x1000000}, 0x0) [ 700.610776] FS: 00007fa168b0e700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 700.619019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 700.624916] CR2: 00007f30e41be518 CR3: 00000001d7ba8000 CR4: 00000000001406f0 [ 700.632203] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 700.639493] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 700.646773] Call Trace: [ 700.649386] mem_cgroup_css_alloc+0x405/0x1a00 [ 700.653997] ? setup_cpu_cache+0x1c0/0x1c0 2018/04/09 10:18:31 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000000b01046f3f4d6fd187c67135616e27"], 0x14}, 0x1}, 0x0) recvmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000006c0)=""/245, 0x26e}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x2, &(0x7f0000000400)=""/222, 0xde}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f00009f7000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000001000)={0x14, 0x42, 0x2ff, 0xc}, 0x14}, 0x1}, 0x0) 2018/04/09 10:18:31 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000082000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = getpid() perf_event_open(&(0x7f0000000000)={0x1, 0x70, 0x6, 0x4, 0x3, 0x8, 0x0, 0x3, 0x80000, 0x4, 0x80000000, 0x0, 0x6, 0x2, 0x8, 0x0, 0x7, 0xfffffffffffff001, 0x1, 0x43, 0xb, 0x0, 0xff, 0x26, 0x7ff, 0x1, 0xffffffffffffffff, 0x7, 0xda, 0xffffffff, 0x1, 0xffffffffffff0fa2, 0x100, 0x0, 0x8, 0x64b0, 0xfffffffffffffff7, 0x0, 0x0, 0x1, 0x0, @perf_config_ext={0x8c, 0x6}, 0x20020, 0x8, 0x1, 0x7, 0x7fff, 0xff, 0x8}, r1, 0x3, r0, 0xb) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, 'lo\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r2, 0x80047437, &(0x7f0000000100)) sendmsg$netrom(r2, &(0x7f0000001700)={&(0x7f0000001880)=@full={{0x3, {"98aa020ca54afb"}}, [{"5ce1556db42a9f"}, {"e77e8ef6e1ba45"}, {"ac44fa9e11c176"}, {"9dd97c5dffe04b"}, {"08601baa6d91bd"}, {"45773cbc005606"}, {"4e48809d3b8d41"}, {"7020b598a7eb64"}]}, 0x1, &(0x7f0000000680), 0x0, &(0x7f0000001580)}, 0x0) [ 700.658250] ? __kernfs_new_node+0x41e/0x580 [ 700.662684] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 700.667466] ? graph_lock+0x170/0x170 [ 700.671289] ? kasan_check_write+0x14/0x20 [ 700.675569] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 700.681135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.686703] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 700.691223] ? cgroup_file_name+0x1f0/0x1f0 [ 700.695576] ? __lock_is_held+0xb5/0x140 [ 700.699691] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 700.705252] ? cgroup_addrm_files+0x786/0xaf0 2018/04/09 10:18:31 executing program 3: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000000a40)={&(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000180), 0x0, &(0x7f0000000980)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB='H\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38, 0x2000000}, 0x0) [ 700.709778] ? graph_lock+0x170/0x170 [ 700.713601] ? cgroup_css.part.14+0x1f0/0x1f0 [ 700.718124] ? find_held_lock+0x36/0x1c0 [ 700.722227] ? graph_lock+0x170/0x170 [ 700.726074] ? __lock_is_held+0xb5/0x140 [ 700.730182] ? __lock_is_held+0xb5/0x140 [ 700.734283] cgroup_apply_control_enable+0x52d/0xce0 [ 700.739428] ? cgroup_propagate_control+0x5a0/0x5a0 [ 700.744471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.750032] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 700.754578] ? cgroup_file_name+0x1f0/0x1f0 [ 700.758956] ? css_populate_dir+0x2a2/0x420 [ 700.763311] cgroup_mkdir+0x825/0x10d0 [ 700.767232] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 700.772008] ? put_itimerspec64+0x310/0x310 [ 700.776356] ? set_nlink+0xaf/0x140 [ 700.780005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.785565] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 700.791121] ? kernfs_get_active+0xb2/0x120 [ 700.795475] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 700.800254] kernfs_iop_mkdir+0x159/0x1e0 [ 700.804430] ? getname_flags+0xd0/0x5a0 [ 700.808430] vfs_mkdir+0x42e/0x6b0 [ 700.811992] do_mkdirat+0x266/0x2f0 [ 700.815640] ? SyS_mknod+0x40/0x40 [ 700.819217] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 700.824084] ? do_syscall_64+0xb7/0x9d0 [ 700.828255] SyS_mkdir+0x22/0x30 [ 700.831637] ? SyS_mkdirat+0x30/0x30 [ 700.835375] do_syscall_64+0x29e/0x9d0 [ 700.839291] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 700.844167] ? syscall_return_slowpath+0x5c0/0x5c0 [ 700.849122] ? syscall_return_slowpath+0x30f/0x5c0 [ 700.854074] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 700.859456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 700.864319] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 700.869520] RIP: 0033:0x455259 [ 700.872712] RSP: 002b:00007fa168b0dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 700.880434] RAX: ffffffffffffffda RBX: 00007fa168b0e6d4 RCX: 0000000000455259 [ 700.887709] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 700.894984] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 700.902260] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 700.909537] R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000036 [ 700.916830] 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 [ 700.936419] RIP: __mem_cgroup_free+0x71/0x110 RSP: ffff8801b29ff538 [ 700.943147] ---[ end trace 785ca9a24b14f0db ]--- [ 700.947955] Kernel panic - not syncing: Fatal exception [ 700.953808] Dumping ftrace buffer: [ 700.957346] (ftrace buffer empty) [ 700.961037] Kernel Offset: disabled [ 700.964657] Rebooting in 86400 seconds..