999] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 2018/05/17 15:02:14 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x0, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:14 executing program 5: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:14 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) socketpair(0x9, 0x4, 0x80000001, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r2, 0xc0505350, &(0x7f0000000100)={{0x2, 0x6}, {0x10001, 0x1000}, 0x74, 0x1, 0x80000000}) 2018/05/17 15:02:14 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x9, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:14 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0xa) [ 224.497286] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 224.504554] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 224.511819] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 224.519086] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:14 executing program 6: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts-camellia-aesni-avx2\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) r2 = syz_open_dev$dspn(&(0x7f0000000100)='/dev/dsp#\x00', 0x80000000, 0x82000) sendmsg$kcm(r2, &(0x7f0000000240)={&(0x7f0000000140)=@llc={0x1a, 0x31f, 0x4, 0x5, 0x0, 0x2, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x80, &(0x7f00000009c0)=[{&(0x7f00000001c0)="d76babf5fd5de40749605d29b9d4d0d2e6fc78d555213e822e8946e1365373b4fd427dadaf8214c8049811a8793ed724273fb5ca166b78e145ba7263cff5f161d2088c5f465e0823a34a3a2111deb99f83c12d01ece5bb1da4ad6b05b87288c58805b14f84727fc29f", 0x69}, {&(0x7f0000000300)="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", 0xfc}, {&(0x7f0000000580)="4dde6a18b3305a1bdd5d0d9fda00ac61c32ccd3c9dc046442440e7e16faeb058b3fed517f61caaa737420fc5760acb155036b2187c4c9a30d0a201223dc6584bc2942c7297eaa0aaf397e30441a621dac62e513dd400d391077caa7ea1cc86747bc382bd1fd48d4a85f0ad9c08f3d7c5cd1b58d9ed428a9fb0ad3980138bbf11c1436364586c58f74771310aa7a1526a2b00d8fbee7c33cc321adf4daaf85cc513720c68d4e6d83d5964093b0912aba42423896a963e1be219500e083696ee89743364b13dde99f822", 0xc9}, {&(0x7f0000000680)="1f7fed04c65d93cae9f04e9971ece670f14ab36f91fd8ff294a7c1e1227337ec4d1944e8bed2ef67ca303a34a8ccac11edc7eebb267fc5e4f6885bb313957a744163f4c0cc102f14be8c672d9d998b0d8fb3a20545736ca50c13c2e785faef56535951f36acb16ceca0958efb23496896dcd99ae1650724891d21bcf5c5ed18ee7de5b6a06b6c84d9ffb5d72a55b421b55840345ced6a8ed05769f82f065195a8fd4693916b74fc264a4aea7313ec42eaf89a09964097758fd6a7a11aa1b", 0xbe}, {&(0x7f0000000480)="dbb92f30a18add4da14af51cb9fdc83342557e97a213f71d7ba9f0e6b326ba530bd88bd91ef3010a28eb4add894e8dde7124d8feb82e674bbee7b18e35d896b7e70a2cca998d73892a", 0x49}, {&(0x7f0000000740)="24ac8ff6e9014d763d3d170c5469d2ae4e6668a97b7d6196e6e20934e785ea49bc73bf0045762b4b92e673194dddddd2ca766407ae66672d10aa1a8aa79380fd15bd3ba54e7a678410f4fccdbf9eb156a1cde4a14e48c369a91b76ed9418c8ea88dc9e9fab8d73fd45ca8e32e39f284679a5c7c47970e094bb49417129d15ee938747a7ef6007a2125b8e421e000cf5679500369e1f655306509faa4e48ac5bde4a6304dfac93d84c2ec158c67b9814e56de744d89a5ba54b6ea9bbc8fd54904abe24c1d4187a1127bf235b750e48bea9f0f50e0cc75e976585ed16535f17c7d82ee2fd039f4d85eff55e175bf2afc78946279fc", 0xf4}, {&(0x7f0000000840)="65fc9eccd48740380171503ee31116ca72c93e8bddf1d8e197b6ec6b1ec00190a2a0e0693eef0843e6067b808047f72576be5bfa55159cbb6bc28715d8c83c4f89d6f0b70afc84e31cf8b4e4c6730fe4fc56b685de7f3ce47119f63837f9c5ce686c4a6e88c6b7afec4bc88db4559298fc33fba7ab68813bd9a90cfc148becc4d15bbb18baf6fd13da5dee4651d9b2405f9bbb3a0f2567b22c11fcceefefc05af43bed35e7f9df6d68fcf312dc10f894985a75d875a0b0f84dad43de9687a0531b31ee8d03e357711170018a75fdbb563e686a065ce44d61f1196009b3db0520e20c1831ba83", 0xe6}, {&(0x7f0000000940)="42fe90fb516c3550782e442f06be6aac91fe6de70789600d5e1174b7a5a4da63d8a4a9d326a8abb387fe61a7442c84abb2121c6b5e2cedd0faa26ac8692a9222d6b36fe9335203560f3a42f3", 0x4c}], 0x8, &(0x7f0000000a40)=[{0x68, 0x101, 0x8, "cfb150dc4ffb5f3d8805494bd6a3b63a6027888f1e1f55bb6c94ab2e8c7a7e5a1a11c6ef44f967a99ad995c6852f20fb1244a6aa617adc308a5e3ab1313730d3f42fe21504dc92ee6b85951dccfd5a01181064"}, {0xe8, 0x109, 0x3, "534d003f196d6f46d5c5b6b8e8af41cf38733d6928de042fe903a79891c409cad8b42a59bbfe4276ecc609b879e2d589e17e4114135061fb7dc0e6837fb78a16c84eef6e9cebf9b2ab7886b5ab4a298edb88aadb7f4108c4fd529b8426a2bb4f936432628b81dd373fd4eb49306975a59e3401539d9121fe8a430d5d5bb22e831e21af4d66073ee9fc63d302ceaf5df46888a0b48fe37595a07fb90f1e0d76c2c0c900c7eccc67981358974de72eb6bbe97273c82c2db1a5bec4bb893a009aabc5d2cd9c9f5dc65564a6608ebcdee5ea119e90"}, {0x58, 0x113, 0x1, "30b19db3240fe85182201690dabb32792f5649b38bdd6b1a794e592e0caaf59539aa8bee001b4c2cb6eaf0d39a899ac65de43b7024f52455019b2901a67a0632390cd29428"}, {0xa8, 0x117, 0x1, "7f2d47c355eef9ea215447449123efd29e6c6a05e66f0c7ab674bef95ddca5d167a20130cd37a634c1d1e038e1bd47f87dca4904cfba2f3dacf63209ec2396cd2ba45dc7fbe5f7b6addf84e396ddac533c25d4556fce7faf026e9a7e6eccb3b8f81bdd068ccf724445e1b135f3e81067a8438dc0979bfca75024d606511c9d72132dff503f1a11979ed2c343dee69c9dc273d380273ea2"}, {0x80, 0x10f, 0x9, "d26d7d80249ebe6d99912a0b41cffa50483e8b6042704e18bbf7c8f41ff4c1af35374887c1d7f5187144bc3454e34a7cf506ccfe079990dad8ca570153a279e34eabcf99d2147e1f3aa2e8227f9b022703182177f6025f69ee8bfe9b74bfc72ba9272d4c50783f8aed94e045b5bf"}], 0x2d0, 0x800}, 0x4) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003bcfd0)="d3ab27191a01002356ba602dff05000bfef9b9d2a4b20079fffffffffffffe000225070097c11ed4c2c4dc42ffa86eb9", 0x30) write$binfmt_script(r1, &(0x7f0000000500)={'#! ', './file0', [{0x20, 'skcipher\x00'}], 0xa, "35001b9a2ea3b7a36a8dd07af295896a5d5b5aa0bb57495194313a662c791c68c3de3564fd1c76a310049aea04c3b9f7004b59b648a3420687a399"}, 0x50) recvmsg(r1, &(0x7f0000000440)={&(0x7f0000000000)=@sco, 0x80, &(0x7f0000000400)=[{&(0x7f0000000280)=""/81, 0x51}], 0x1}, 0x0) 2018/05/17 15:02:14 executing program 5: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:14 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) r5 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x24c000, 0x0) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r5, 0x40505331, &(0x7f0000000100)={{0x4, 0x7}, {0x0, 0x5}, 0x6, 0x1}) getsockopt$sock_buf(r5, 0x1, 0x1f, &(0x7f0000000180)=""/78, &(0x7f0000000080)=0x4e) 2018/05/17 15:02:14 executing program 6: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r1 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r2 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r2, 0x5421, &(0x7f0000000100)=0xff) r3 = dup(r2) setsockopt$inet6_tcp_int(r3, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r3, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r2, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r4 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r4, 0xc) setsockopt$SO_TIMESTAMPING(r3, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r2, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r2, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r5 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r5, 0x7fff) sendfile(r3, r5, &(0x7f0000d83ff8), 0x8000fffffffe) r6 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x24c000, 0x0) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r6, 0x40505331, &(0x7f0000000100)={{0x4, 0x7}, {0x0, 0x5}, 0x6, 0x1}) getsockopt$sock_buf(r6, 0x1, 0x1f, &(0x7f0000000180)=""/78, &(0x7f0000000080)=0x4e) openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) setsockopt$inet6_MRT6_ADD_MIF(r1, 0x29, 0xca, &(0x7f0000000280)={0x9, 0x1, 0x8, 0x2, 0xfff}, 0xc) 2018/05/17 15:02:14 executing program 0 (fault-call:2 fault-nth:25): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:14 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x100000000000000) 2018/05/17 15:02:14 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x6, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:14 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:14 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x40300, 0x0) getpeername$inet(r1, &(0x7f0000000080)={0x0, 0x0, @dev}, &(0x7f0000000100)=0x10) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0xfffffffffffffffd) timerfd_create(0x8000000009, 0x4000080800) open(&(0x7f0000000140)='./file0\x00', 0x2000, 0x2) [ 224.783313] FAT-fs (loop0): bogus number of reserved sectors [ 224.789240] FAT-fs (loop0): Can't find a valid FAT filesystem [ 224.858431] FAULT_INJECTION: forcing a failure. [ 224.858431] name failslab, interval 1, probability 0, space 0, times 0 [ 224.869804] CPU: 1 PID: 17060 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 224.877098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.886479] Call Trace: [ 224.889094] dump_stack+0x1b9/0x294 [ 224.892772] ? dump_stack_print_info.cold.2+0x52/0x52 [ 224.897984] ? perf_trace_lock_acquire+0xe3/0x980 [ 224.902872] should_fail.cold.4+0xa/0x1a 2018/05/17 15:02:14 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x40000, 0x0) setsockopt$RDS_FREE_MR(r2, 0x114, 0x3, &(0x7f0000000080)={{0x15b6, 0xffffffff7fffffff}, 0x20}, 0x10) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:14 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0xe, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:14 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x800000000000000) 2018/05/17 15:02:14 executing program 5: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 224.907053] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.912190] ? __save_stack_trace+0x7e/0xd0 [ 224.916536] ? graph_lock+0x170/0x170 [ 224.920374] ? find_held_lock+0x36/0x1c0 [ 224.924469] ? __lock_is_held+0xb5/0x140 [ 224.928583] ? check_same_owner+0x320/0x320 [ 224.932941] ? rcu_note_context_switch+0x710/0x710 [ 224.937909] __should_failslab+0x124/0x180 [ 224.942173] should_failslab+0x9/0x14 [ 224.946000] kmem_cache_alloc_trace+0x2cb/0x780 [ 224.950691] ? __kmalloc_node+0x33/0x70 [ 224.954695] ? __kmalloc_node+0x33/0x70 2018/05/17 15:02:14 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={0xffffffffffffffff, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:14 executing program 6 (fault-call:3 fault-nth:0): r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) [ 224.958697] ? rcu_read_lock_sched_held+0x108/0x120 [ 224.963757] __memcg_init_list_lru_node+0x17d/0x2c0 [ 224.968800] ? kvfree_rcu+0x20/0x20 [ 224.972453] ? __kmalloc_node+0x47/0x70 [ 224.976462] __list_lru_init+0x456/0x790 [ 224.980555] ? list_lru_destroy+0x4c0/0x4c0 [ 224.984900] ? mark_held_locks+0xc9/0x160 [ 224.989079] ? __raw_spin_lock_init+0x1c/0x100 [ 224.993686] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 224.998750] ? lockdep_init_map+0x9/0x10 [ 225.002839] sget_userns+0x767/0xf00 [ 225.006573] ? get_anon_bdev+0x2f0/0x2f0 [ 225.010668] ? destroy_unused_super.part.11+0x110/0x110 [ 225.016056] ? __alloc_pages_nodemask+0xacf/0xd70 [ 225.020923] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 225.025961] ? kasan_check_read+0x11/0x20 [ 225.030138] ? cap_capable+0x1f9/0x260 [ 225.034058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.039614] ? security_capable+0x99/0xc0 [ 225.043799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.049359] ? ns_capable_common+0x13f/0x170 [ 225.053799] ? get_anon_bdev+0x2f0/0x2f0 [ 225.057881] sget+0x10b/0x150 [ 225.061016] ? fuse_get_root_inode+0x190/0x190 [ 225.065620] mount_nodev+0x33/0x110 [ 225.069273] fuse_mount+0x2c/0x40 [ 225.072752] mount_fs+0xae/0x328 [ 225.076146] vfs_kern_mount.part.34+0xd4/0x4d0 [ 225.080756] ? may_umount+0xb0/0xb0 [ 225.084406] ? _raw_read_unlock+0x22/0x30 [ 225.088582] ? __get_fs_type+0x97/0xc0 [ 225.092501] do_mount+0x564/0x3070 [ 225.096064] ? interrupt_entry+0xb1/0xf0 [ 225.100163] ? copy_mount_string+0x40/0x40 [ 225.104422] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 225.109212] ? retint_kernel+0x10/0x10 [ 225.113125] ? copy_mount_options+0x213/0x380 [ 225.117648] ? write_comp_data+0x11/0x70 [ 225.121741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.127299] ? copy_mount_options+0x285/0x380 [ 225.131826] ksys_mount+0x12d/0x140 [ 225.135481] __x64_sys_mount+0xbe/0x150 [ 225.139472] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 225.144512] do_syscall_64+0x1b1/0x800 [ 225.148425] ? syscall_return_slowpath+0x5c0/0x5c0 [ 225.153377] ? syscall_return_slowpath+0x30f/0x5c0 [ 225.158335] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 225.163734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.168612] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 225.173813] RIP: 0033:0x455a09 [ 225.177014] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 225.184745] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 225.192036] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 225.199309] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 225.206574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 225.213836] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:15 executing program 5: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:15 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0xf, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:15 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x200000000000000) 2018/05/17 15:02:15 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.swap.current\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(r0, 0xc0405519, &(0x7f0000000080)={0x9385, 0x5, 0x9a, 0x6, "435d512f052b3ca5d24a39934beb22fbf8e6a03c2cacba1808bceacd245f515c1536764da135da43300de48a"}) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_RESET(r0, 0x2403, 0x8) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r3, 0x84, 0x13, &(0x7f0000000100)={0x0, 0x512}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000180)=@assoc_value={r4, 0x7280000000000000}, &(0x7f00000001c0)=0x8) 2018/05/17 15:02:15 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) r5 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x24c000, 0x0) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r5, 0x40505331, &(0x7f0000000100)={{0x4, 0x7}, {0x0, 0x5}, 0x6, 0x1}) 2018/05/17 15:02:15 executing program 4 (fault-call:2 fault-nth:0): perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:15 executing program 0 (fault-call:2 fault-nth:26): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:15 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) [ 225.399821] FAT-fs (loop0): bogus number of reserved sectors [ 225.404719] FAULT_INJECTION: forcing a failure. [ 225.404719] name failslab, interval 1, probability 0, space 0, times 0 [ 225.405770] FAT-fs (loop0): Can't find a valid FAT filesystem [ 225.416996] CPU: 0 PID: 17120 Comm: syz-executor4 Not tainted 4.17.0-rc5+ #54 [ 225.417013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.417022] Call Trace: [ 225.417049] dump_stack+0x1b9/0x294 [ 225.417075] ? dump_stack_print_info.cold.2+0x52/0x52 [ 225.451012] should_fail.cold.4+0xa/0x1a [ 225.455111] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.460265] ? __fget+0x40c/0x650 [ 225.463758] ? find_held_lock+0x36/0x1c0 [ 225.467887] ? check_same_owner+0x320/0x320 [ 225.472243] ? rcu_note_context_switch+0x710/0x710 [ 225.477213] __should_failslab+0x124/0x180 [ 225.481476] should_failslab+0x9/0x14 [ 225.485307] __kmalloc_track_caller+0x2c4/0x760 [ 225.490014] ? map_update_elem+0x2e9/0x1100 [ 225.494367] memdup_user+0x2c/0xa0 2018/05/17 15:02:15 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x100000000000000) 2018/05/17 15:02:15 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x1000000) 2018/05/17 15:02:15 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = dup2(r2, r1) ioctl$GIO_UNISCRNMAP(r3, 0x4b69, &(0x7f0000000040)=""/60) dup3(r0, r2, 0x0) [ 225.497935] map_update_elem+0x2e9/0x1100 [ 225.502106] ? __check_object_size+0x95/0x5d9 [ 225.506635] ? map_get_next_key+0xa80/0xa80 [ 225.510985] ? __might_sleep+0x95/0x190 [ 225.515000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.520562] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 225.525901] __x64_sys_bpf+0x34a/0x4c0 [ 225.529813] ? bpf_prog_get+0x20/0x20 [ 225.533652] ? do_syscall_64+0x92/0x800 [ 225.537665] do_syscall_64+0x1b1/0x800 [ 225.541576] ? finish_task_switch+0x1ca/0x840 2018/05/17 15:02:15 executing program 6: ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffff9c}) getsockopt$inet_mreq(r0, 0x0, 0x23, &(0x7f00000000c0)={@remote, @dev}, &(0x7f0000000100)=0x8) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r4 = dup3(r1, r3, 0x0) ioctl$SNDRV_TIMER_IOCTL_PVERSION(r4, 0x80045400, &(0x7f0000000140)) [ 225.546093] ? syscall_return_slowpath+0x5c0/0x5c0 [ 225.551049] ? syscall_return_slowpath+0x30f/0x5c0 [ 225.556012] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 225.561408] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.566290] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 225.571500] RIP: 0033:0x455a09 [ 225.574802] RSP: 002b:00007f2a7580ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 225.582540] RAX: ffffffffffffffda RBX: 00007f2a7580f6d4 RCX: 0000000000455a09 [ 225.589824] RDX: 0000000000000020 RSI: 00000000200000c0 RDI: 0000000000000002 [ 225.597110] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 225.604409] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 225.611697] R13: 0000000000000041 R14: 00000000006f46b8 R15: 0000000000000000 [ 225.635700] FAULT_INJECTION: forcing a failure. [ 225.635700] name failslab, interval 1, probability 0, space 0, times 0 [ 225.647076] CPU: 1 PID: 17111 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 225.654380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.663750] Call Trace: [ 225.666361] dump_stack+0x1b9/0x294 [ 225.670013] ? dump_stack_print_info.cold.2+0x52/0x52 [ 225.675228] ? perf_trace_lock_acquire+0xe3/0x980 [ 225.680113] should_fail.cold.4+0xa/0x1a [ 225.684206] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.689343] ? __save_stack_trace+0x7e/0xd0 [ 225.693690] ? graph_lock+0x170/0x170 [ 225.697530] ? find_held_lock+0x36/0x1c0 [ 225.701630] ? __lock_is_held+0xb5/0x140 [ 225.705746] ? check_same_owner+0x320/0x320 [ 225.710097] ? rcu_note_context_switch+0x710/0x710 [ 225.715056] __should_failslab+0x124/0x180 [ 225.719321] should_failslab+0x9/0x14 [ 225.723149] kmem_cache_alloc_trace+0x2cb/0x780 [ 225.727838] ? __kmalloc_node+0x33/0x70 [ 225.731831] ? __kmalloc_node+0x33/0x70 [ 225.735860] ? rcu_read_lock_sched_held+0x108/0x120 [ 225.740910] __memcg_init_list_lru_node+0x17d/0x2c0 [ 225.745949] ? kvfree_rcu+0x20/0x20 [ 225.749601] ? __kmalloc_node+0x47/0x70 [ 225.753617] __list_lru_init+0x456/0x790 [ 225.757713] ? list_lru_destroy+0x4c0/0x4c0 [ 225.762055] ? mark_held_locks+0xc9/0x160 [ 225.766230] ? __raw_spin_lock_init+0x1c/0x100 [ 225.770838] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 225.775888] ? lockdep_init_map+0x9/0x10 [ 225.779980] sget_userns+0x767/0xf00 [ 225.783715] ? get_anon_bdev+0x2f0/0x2f0 [ 225.787812] ? destroy_unused_super.part.11+0x110/0x110 [ 225.793196] ? __alloc_pages_nodemask+0xacf/0xd70 [ 225.798071] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 225.803125] ? kasan_check_read+0x11/0x20 [ 225.807298] ? cap_capable+0x1f9/0x260 [ 225.811219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.816775] ? security_capable+0x99/0xc0 [ 225.820953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.826512] ? ns_capable_common+0x13f/0x170 [ 225.830951] ? get_anon_bdev+0x2f0/0x2f0 [ 225.835030] sget+0x10b/0x150 [ 225.838160] ? fuse_get_root_inode+0x190/0x190 [ 225.842762] mount_nodev+0x33/0x110 [ 225.846415] fuse_mount+0x2c/0x40 [ 225.849888] mount_fs+0xae/0x328 [ 225.853282] vfs_kern_mount.part.34+0xd4/0x4d0 [ 225.857887] ? may_umount+0xb0/0xb0 [ 225.861535] ? _raw_read_unlock+0x22/0x30 [ 225.865700] ? __get_fs_type+0x97/0xc0 [ 225.869612] do_mount+0x564/0x3070 [ 225.873173] ? interrupt_entry+0xb1/0xf0 [ 225.877259] ? copy_mount_string+0x40/0x40 [ 225.881510] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 225.886299] ? retint_kernel+0x10/0x10 [ 225.890217] ? copy_mount_options+0x1e3/0x380 [ 225.894740] ? write_comp_data+0x11/0x70 2018/05/17 15:02:15 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)="2e2f8567526ff5702e634de916e7cc04f8b292b70986165a07e10b5b6eb3db381afd1cc072752f73797a318dcb9330da8e324eeda8c88d63", 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) open(&(0x7f0000000080)='./file0\x00', 0x4000, 0x40) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:15 executing program 5: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:15 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x11, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:15 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0xa00000000000000) 2018/05/17 15:02:15 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x24c000, 0x0) [ 225.898824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.904373] ? copy_mount_options+0x285/0x380 [ 225.908929] ksys_mount+0x12d/0x140 [ 225.912686] __x64_sys_mount+0xbe/0x150 [ 225.916683] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 225.921733] do_syscall_64+0x1b1/0x800 [ 225.925646] ? finish_task_switch+0x1ca/0x840 [ 225.930176] ? syscall_return_slowpath+0x5c0/0x5c0 [ 225.935135] ? syscall_return_slowpath+0x30f/0x5c0 [ 225.940096] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 225.945492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.950368] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 225.955575] RIP: 0033:0x455a09 [ 225.958779] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 225.966536] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 225.973825] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 225.981112] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 225.988406] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 225.995698] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:16 executing program 5: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:16 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0xa000000) 2018/05/17 15:02:16 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:16 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = getpgrp(0x0) ptrace$setsig(0x4203, r1, 0x7, &(0x7f00000002c0)={0x23, 0x100, 0x3e, 0xfffffffffffffffd}) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000001c0)="6370757365742e6d6d6d0300007563f8a6f079e7", 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r4 = getuid() openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x40000, 0x0) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vcs\x00', 0x280, 0x0) dup2(r0, r2) ioctl$TUNSETOWNER(r5, 0x400454cc, r4) r6 = syz_open_dev$sndmidi(&(0x7f0000000080)='/dev/snd/midiC#D#\x00', 0x9, 0x1) ioctl$EVIOCSKEYCODE_V2(r6, 0x40284504, &(0x7f0000000100)={0x7, 0x1f, 0x2, 0xa8a6, "c8c75ed389d87ed74089b577fc955c9cc2cc2760ae3b2617f091e2e9ac99a965"}) syz_open_dev$dmmidi(&(0x7f0000000180)='/dev/dmmidi#\x00', 0x4, 0x2) memfd_create(&(0x7f0000000280)="47504c2d5b6574683116776c616e3000", 0x3) 2018/05/17 15:02:16 executing program 4 (fault-call:2 fault-nth:1): perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:16 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:16 executing program 0 (fault-call:2 fault-nth:27): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:16 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r3, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) dup3(r0, r2, 0x0) 2018/05/17 15:02:16 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) sendmsg$nl_netfilter(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, 0xe, 0x3, 0x1, 0x70bd27, 0x25dfdbfb, {0x0, 0x0, 0x2}, [@generic="891cf3ad538b3ad2c4c77011493c2cac58c0fad19061c88f82bae4886287bbd16c93f9bb9fc462d9e8f31b44b805ef977406e60196b6817835fe3554287009710891a4630a9f34ef68cef92cb93f4e9f94549201ee4e3fb51b486ff79869e2c59a30a500648614c69461ef", @typed={0x8, 0x2b, @fd=r1}]}, 0x88}, 0x1, 0x0, 0x0, 0x8085}, 0x40891) dup3(r0, r2, 0x0) [ 226.127278] FAT-fs (loop0): bogus number of reserved sectors [ 226.133211] FAT-fs (loop0): Can't find a valid FAT filesystem [ 226.157972] FAULT_INJECTION: forcing a failure. [ 226.157972] name failslab, interval 1, probability 0, space 0, times 0 [ 226.169388] CPU: 0 PID: 17182 Comm: syz-executor4 Not tainted 4.17.0-rc5+ #54 2018/05/17 15:02:16 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r1, &(0x7f0000000040)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r1, 0xfffffffffffffffc) [ 226.176687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.186060] Call Trace: [ 226.188676] dump_stack+0x1b9/0x294 [ 226.192340] ? dump_stack_print_info.cold.2+0x52/0x52 [ 226.197559] ? perf_trace_lock+0xd6/0x900 [ 226.201748] ? perf_trace_lock_acquire+0x4f1/0x980 [ 226.206725] should_fail.cold.4+0xa/0x1a [ 226.210841] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.215971] ? map_update_elem+0x2e9/0x1100 [ 226.220320] ? graph_lock+0x170/0x170 [ 226.224161] ? __fget+0x40c/0x650 2018/05/17 15:02:16 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = accept4(0xffffffffffffffff, &(0x7f00000000c0)=@ax25, &(0x7f0000000040)=0x80, 0x80800) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffff9c, 0x84, 0x22, &(0x7f0000000140)={0xffff, 0x8000, 0x7fffffff, 0x4, 0x0}, &(0x7f0000000180)=0x10) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f00000003c0)={r2, @in6={{0xa, 0x4e22, 0x2, @mcast2={0xff, 0x2, [], 0x1}, 0x6}}, 0x1ff, 0x3a1}, &(0x7f0000000480)=0x90) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f00000001c0)=@assoc_id=r2, 0x4) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f0000000300)=ANY=[@ANYBLOB="26c595f0591dfea6a719363f91f83e9b47d62fc785495ae36c8846b3fba7cc9c82a286e1cb066ca667a88ab6405f55146e7b58863e4f66c00edc344b6f8affa861a8c2e8f637cf228ab13eb3b671ab5c20ac339c6d0db5050273f0a67275fab5ce5252f5a35fa95e"], 0x8) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r4 = openat$cgroup_int(r3, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r5 = syz_open_dev$sndpcmp(&(0x7f00000002c0)='/dev/snd/pcmC#D#p\x00', 0x4, 0x8a6c438be92b57a8) ioctl$DRM_IOCTL_AGP_ACQUIRE(r5, 0x6430) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r5, 0x84, 0x16, &(0x7f00000004c0)=ANY=[@ANYBLOB="06000003000000000000000005002000eaa839c2b14b1e617ff0c2940eaf5decd14dd3c9ccac51b6c8ee321f38e878459b90bf070a8f68278c610c28aa0250426de57acc3519639833df22a458b7f6bfc574aa2a17395941bc6b24646ecfe0113f02585ca2b72b98f828f8c3153a7b256f33fa3f73fccee371398446d373eca2671725cf9471d76f"], 0x10) dup3(r0, r4, 0xfffffffe) openat$dsp(0xffffffffffffff9c, &(0x7f0000000380)='/dev/dsp\x00', 0x0, 0x0) [ 226.227660] ? find_held_lock+0x36/0x1c0 [ 226.231792] ? check_same_owner+0x320/0x320 [ 226.236148] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 226.241192] ? rcu_note_context_switch+0x710/0x710 [ 226.246166] __should_failslab+0x124/0x180 [ 226.250430] should_failslab+0x9/0x14 [ 226.254253] __kmalloc+0x2c8/0x760 [ 226.257823] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.263389] ? _copy_from_user+0xdf/0x150 [ 226.267564] ? map_update_elem+0x3c7/0x1100 [ 226.271922] map_update_elem+0x3c7/0x1100 2018/05/17 15:02:16 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x10000, 0x3, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r0, &(0x7f00000000c0)='\bpuset.Kpus\x00', 0x2, 0x0) dup3(r1, r1, 0x0) openat$cgroup_int(r1, &(0x7f0000000040)='io.max\x00', 0x2, 0x0) [ 226.276110] ? map_get_next_key+0xa80/0xa80 [ 226.280462] ? __might_sleep+0x95/0x190 [ 226.284478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.290044] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 226.295270] __x64_sys_bpf+0x34a/0x4c0 [ 226.299191] ? bpf_prog_get+0x20/0x20 [ 226.303040] ? do_syscall_64+0x92/0x800 [ 226.307048] do_syscall_64+0x1b1/0x800 [ 226.310948] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 226.315824] ? syscall_return_slowpath+0x5c0/0x5c0 [ 226.320779] ? syscall_return_slowpath+0x30f/0x5c0 2018/05/17 15:02:16 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) link(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='./file0\x00') r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock\x00', 0x4000, 0x0) ioctl$DMA_BUF_IOCTL_SYNC(r3, 0x40086200, &(0x7f00000000c0)=0x2) dup3(r0, r2, 0x0) [ 226.325749] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 226.331156] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.336036] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.341243] RIP: 0033:0x455a09 [ 226.344449] RSP: 002b:00007f2a7580ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 226.352189] RAX: ffffffffffffffda RBX: 00007f2a7580f6d4 RCX: 0000000000455a09 [ 226.359479] RDX: 0000000000000020 RSI: 00000000200000c0 RDI: 0000000000000002 [ 226.366767] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 226.374056] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 226.381347] R13: 0000000000000041 R14: 00000000006f46b8 R15: 0000000000000001 [ 226.406388] FAULT_INJECTION: forcing a failure. [ 226.406388] name failslab, interval 1, probability 0, space 0, times 0 [ 226.417726] CPU: 1 PID: 17167 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 226.417739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.417747] Call Trace: [ 226.417775] dump_stack+0x1b9/0x294 [ 226.417804] ? dump_stack_print_info.cold.2+0x52/0x52 [ 226.417824] ? perf_trace_lock_acquire+0xe3/0x980 [ 226.417860] should_fail.cold.4+0xa/0x1a [ 226.454794] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.454834] ? graph_lock+0x170/0x170 [ 226.454856] ? save_stack+0x43/0xd0 [ 226.454876] ? kasan_kmalloc+0xc4/0xe0 [ 226.454896] ? __list_lru_init+0xdd/0x790 [ 226.454921] ? find_held_lock+0x36/0x1c0 [ 226.454952] ? __lock_is_held+0xb5/0x140 [ 226.454998] ? check_same_owner+0x320/0x320 [ 226.455023] ? rcu_note_context_switch+0x710/0x710 [ 226.455052] __should_failslab+0x124/0x180 [ 226.455077] should_failslab+0x9/0x14 [ 226.455096] kmem_cache_alloc_node_trace+0x26f/0x770 [ 226.455112] ? mark_held_locks+0xc9/0x160 [ 226.455137] ? __raw_spin_lock_init+0x1c/0x100 [ 226.455168] __kmalloc_node+0x33/0x70 [ 226.455193] kvmalloc_node+0x6b/0x100 [ 226.455216] __list_lru_init+0x559/0x790 [ 226.455243] ? list_lru_destroy+0x4c0/0x4c0 [ 226.455261] ? mark_held_locks+0xc9/0x160 [ 226.455286] ? __raw_spin_lock_init+0x1c/0x100 [ 226.455309] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 226.455340] ? lockdep_init_map+0x9/0x10 [ 226.455366] sget_userns+0x767/0xf00 [ 226.455383] ? get_anon_bdev+0x2f0/0x2f0 [ 226.455418] ? destroy_unused_super.part.11+0x110/0x110 [ 226.455439] ? __alloc_pages_nodemask+0xacf/0xd70 [ 226.455468] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 226.455494] ? kasan_check_read+0x11/0x20 2018/05/17 15:02:16 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000040)='cgroup\x00') getsockopt$inet_sctp_SCTP_AUTOCLOSE(r2, 0x84, 0x4, &(0x7f0000000080), &(0x7f0000000100)=0x4) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:16 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:16 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x9) 2018/05/17 15:02:16 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 226.455521] ? cap_capable+0x1f9/0x260 [ 226.455553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.455571] ? security_capable+0x99/0xc0 [ 226.455598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.455623] ? ns_capable_common+0x13f/0x170 [ 226.455650] ? get_anon_bdev+0x2f0/0x2f0 [ 226.455668] sget+0x10b/0x150 [ 226.455692] ? fuse_get_root_inode+0x190/0x190 [ 226.611559] mount_nodev+0x33/0x110 [ 226.615212] fuse_mount+0x2c/0x40 [ 226.618693] mount_fs+0xae/0x328 [ 226.622088] vfs_kern_mount.part.34+0xd4/0x4d0 2018/05/17 15:02:16 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:16 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:16 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x9000000) [ 226.626698] ? may_umount+0xb0/0xb0 [ 226.630347] ? _raw_read_unlock+0x22/0x30 [ 226.634523] ? __get_fs_type+0x97/0xc0 [ 226.638443] do_mount+0x564/0x3070 [ 226.642002] ? do_raw_spin_unlock+0x9e/0x2e0 [ 226.646440] ? copy_mount_string+0x40/0x40 [ 226.650692] ? rcu_pm_notify+0xc0/0xc0 [ 226.654628] ? copy_mount_options+0x5f/0x380 [ 226.659060] ? rcu_read_lock_sched_held+0x108/0x120 [ 226.664098] ? kmem_cache_alloc_trace+0x616/0x780 [ 226.668971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.674536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.680100] ? copy_mount_options+0x285/0x380 [ 226.684633] ksys_mount+0x12d/0x140 [ 226.688287] __x64_sys_mount+0xbe/0x150 [ 226.692276] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 226.697317] do_syscall_64+0x1b1/0x800 [ 226.701226] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 226.706090] ? syscall_return_slowpath+0x5c0/0x5c0 [ 226.711042] ? syscall_return_slowpath+0x30f/0x5c0 [ 226.715997] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 226.721395] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.726277] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.731480] RIP: 0033:0x455a09 [ 226.734680] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 226.742408] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 226.749695] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 226.756982] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 226.764791] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 226.772075] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:16 executing program 6: r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vhost-vsock\x00', 0x2, 0x0) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc0\x00', 0x400000, 0x0) setsockopt$bt_hci_HCI_FILTER(r3, 0x0, 0x2, &(0x7f00000000c0)={0x1000, 0xffffffff, 0xffff, 0x2}, 0x10) r4 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000002280)={0x1, 0x0, &(0x7f0000000280)=""/4096, &(0x7f0000000140)=""/178, &(0x7f0000001280)=""/4096, 0x3000}) dup3(r1, r4, 0x0) 2018/05/17 15:02:16 executing program 0 (fault-call:2 fault-nth:28): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:16 executing program 4 (fault-call:2 fault-nth:2): perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:16 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:16 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:16 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401, 0x0, @perf_bp, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r0, &(0x7f0000000040)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:16 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:16 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0xa00) [ 226.960315] FAT-fs (loop0): bogus number of reserved sectors [ 226.966308] FAT-fs (loop0): Can't find a valid FAT filesystem [ 226.996464] FAULT_INJECTION: forcing a failure. [ 226.996464] name failslab, interval 1, probability 0, space 0, times 0 [ 227.007951] CPU: 1 PID: 17243 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 227.015239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.024606] Call Trace: [ 227.027217] dump_stack+0x1b9/0x294 [ 227.030871] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.036078] ? perf_trace_lock_acquire+0xe3/0x980 [ 227.040962] should_fail.cold.4+0xa/0x1a [ 227.045056] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.049852] FAULT_INJECTION: forcing a failure. [ 227.049852] name failslab, interval 1, probability 0, space 0, times 0 [ 227.050176] ? save_stack+0x43/0xd0 [ 227.065161] ? kmem_cache_alloc_trace+0x152/0x780 [ 227.070009] ? __memcg_init_list_lru_node+0x17d/0x2c0 [ 227.075200] ? __list_lru_init+0x456/0x790 [ 227.079438] ? sget_userns+0x767/0xf00 [ 227.083332] ? graph_lock+0x170/0x170 [ 227.087135] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 227.091888] ? do_mount+0x564/0x3070 [ 227.095603] ? ksys_mount+0x12d/0x140 [ 227.099494] ? __x64_sys_mount+0xbe/0x150 [ 227.103647] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.109017] ? find_held_lock+0x36/0x1c0 [ 227.113092] ? __lock_is_held+0xb5/0x140 [ 227.117182] ? check_same_owner+0x320/0x320 [ 227.121512] ? rcu_note_context_switch+0x710/0x710 [ 227.126450] __should_failslab+0x124/0x180 [ 227.130695] should_failslab+0x9/0x14 [ 227.134498] kmem_cache_alloc_trace+0x2cb/0x780 [ 227.139168] ? __kmalloc_node+0x33/0x70 [ 227.143146] ? __kmalloc_node+0x33/0x70 [ 227.147124] ? rcu_read_lock_sched_held+0x108/0x120 [ 227.152154] __memcg_init_list_lru_node+0x17d/0x2c0 [ 227.157177] ? kvfree_rcu+0x20/0x20 [ 227.160809] ? __kmalloc_node+0x47/0x70 [ 227.164796] __list_lru_init+0x456/0x790 [ 227.168867] ? list_lru_destroy+0x4c0/0x4c0 [ 227.173191] ? mark_held_locks+0xc9/0x160 [ 227.177345] ? __raw_spin_lock_init+0x1c/0x100 [ 227.181932] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 227.186960] ? lockdep_init_map+0x9/0x10 [ 227.191029] sget_userns+0x767/0xf00 [ 227.194742] ? get_anon_bdev+0x2f0/0x2f0 [ 227.198822] ? destroy_unused_super.part.11+0x110/0x110 [ 227.204192] ? __alloc_pages_nodemask+0xacf/0xd70 [ 227.209048] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 227.214074] ? kasan_check_read+0x11/0x20 [ 227.218230] ? cap_capable+0x1f9/0x260 [ 227.222131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.227670] ? security_capable+0x99/0xc0 [ 227.231826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.237366] ? ns_capable_common+0x13f/0x170 [ 227.241780] ? get_anon_bdev+0x2f0/0x2f0 [ 227.245843] sget+0x10b/0x150 [ 227.248958] ? fuse_get_root_inode+0x190/0x190 [ 227.253544] mount_nodev+0x33/0x110 [ 227.257185] fuse_mount+0x2c/0x40 [ 227.260642] mount_fs+0xae/0x328 [ 227.264028] vfs_kern_mount.part.34+0xd4/0x4d0 [ 227.268615] ? may_umount+0xb0/0xb0 [ 227.272245] ? _raw_read_unlock+0x22/0x30 [ 227.276395] ? __get_fs_type+0x97/0xc0 [ 227.280294] do_mount+0x564/0x3070 [ 227.283848] ? copy_mount_string+0x40/0x40 [ 227.288088] ? rcu_pm_notify+0xc0/0xc0 [ 227.291992] ? copy_mount_options+0x5f/0x380 [ 227.296401] ? rcu_read_lock_sched_held+0x108/0x120 [ 227.301421] ? kmem_cache_alloc_trace+0x616/0x780 [ 227.306283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.311830] ? copy_mount_options+0x285/0x380 [ 227.316339] ksys_mount+0x12d/0x140 [ 227.319975] __x64_sys_mount+0xbe/0x150 [ 227.323948] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 227.328971] do_syscall_64+0x1b1/0x800 [ 227.332860] ? finish_task_switch+0x1ca/0x840 [ 227.337360] ? syscall_return_slowpath+0x5c0/0x5c0 [ 227.342295] ? syscall_return_slowpath+0x30f/0x5c0 [ 227.347235] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 227.352611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.357466] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.362656] RIP: 0033:0x455a09 [ 227.365844] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 227.373562] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 227.380829] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 227.388097] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 227.395364] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 227.402633] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 227.409941] CPU: 0 PID: 17262 Comm: syz-executor4 Not tainted 4.17.0-rc5+ #54 [ 227.417238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.426609] Call Trace: [ 227.429219] dump_stack+0x1b9/0x294 [ 227.432876] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.438109] should_fail.cold.4+0xa/0x1a [ 227.442207] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.447337] ? perf_trace_lock_acquire+0x4f1/0x980 [ 227.452285] ? zap_class+0x720/0x720 [ 227.456047] ? perf_trace_lock+0x900/0x900 2018/05/17 15:02:17 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r1, 0x0) [ 227.460313] ? print_usage_bug+0xc0/0xc0 [ 227.464416] ? print_usage_bug+0xc0/0xc0 [ 227.468497] ? find_held_lock+0x36/0x1c0 [ 227.472604] __should_failslab+0x124/0x180 [ 227.476864] should_failslab+0x9/0x14 [ 227.480688] kmem_cache_alloc_node_trace+0x5a/0x770 [ 227.485723] ? lock_release+0xa10/0xa10 [ 227.489731] __kmalloc_node+0x33/0x70 [ 227.493554] lpm_trie_node_alloc+0xc5/0x270 [ 227.497904] trie_update_elem+0x264/0x1210 [ 227.502175] ? memset+0x31/0x40 [ 227.505495] ? lpm_trie_node_alloc+0x270/0x270 [ 227.510099] ? save_stack+0x43/0xd0 [ 227.513752] ? perf_trace_lock+0x900/0x900 [ 227.518353] ? find_held_lock+0x36/0x1c0 [ 227.522428] ? find_held_lock+0x36/0x1c0 [ 227.526508] ? lock_downgrade+0x8e0/0x8e0 [ 227.530658] ? lock_acquire+0x1dc/0x520 [ 227.534628] ? map_update_elem+0x585/0x1100 [ 227.538946] ? __check_object_size+0x95/0x5d9 [ 227.543451] ? kasan_check_read+0x11/0x20 [ 227.547605] ? rcu_is_watching+0x85/0x140 [ 227.551753] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 227.556946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.562480] ? _copy_from_user+0xdf/0x150 [ 227.566638] ? lpm_trie_node_alloc+0x270/0x270 [ 227.571219] map_update_elem+0x66c/0x1100 [ 227.575383] ? map_get_next_key+0xa80/0xa80 [ 227.579712] ? __might_sleep+0x95/0x190 [ 227.583695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.589231] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 227.594421] __x64_sys_bpf+0x34a/0x4c0 [ 227.598304] ? bpf_prog_get+0x20/0x20 [ 227.602125] ? do_syscall_64+0x92/0x800 [ 227.606106] do_syscall_64+0x1b1/0x800 [ 227.609988] ? finish_task_switch+0x1ca/0x840 [ 227.614487] ? syscall_return_slowpath+0x5c0/0x5c0 [ 227.619417] ? syscall_return_slowpath+0x30f/0x5c0 [ 227.624351] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 227.629719] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.634568] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.639749] RIP: 0033:0x455a09 [ 227.642941] RSP: 002b:00007f2a7580ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 227.650649] RAX: ffffffffffffffda RBX: 00007f2a7580f6d4 RCX: 0000000000455a09 [ 227.657910] RDX: 0000000000000020 RSI: 00000000200000c0 RDI: 0000000000000002 [ 227.665176] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 227.672442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 227.679703] R13: 0000000000000041 R14: 00000000006f46b8 R15: 0000000000000002 2018/05/17 15:02:17 executing program 6: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000100)='/dev/uinput\x00', 0x200002, 0x0) setsockopt$bt_rfcomm_RFCOMM_LM(r0, 0x12, 0x3, &(0x7f0000000140)=0x40, 0x4) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0x3f, 0x4000) ioctl$TIOCLINUX7(r3, 0x541c, &(0x7f00000001c0)={0x7, 0x1ff}) r4 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r1, r4, 0x0) 2018/05/17 15:02:17 executing program 0 (fault-call:2 fault-nth:29): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:17 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x0, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:17 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000840)='/dev/dsp\x00', 0x10000, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffff9c, 0x84, 0xa, &(0x7f0000000880)={0xfffffffffffffff8, 0xffff, 0x8200, 0x1, 0x6, 0xffffffffffffff1b, 0x6, 0x8001, 0x0}, &(0x7f00000008c0)=0x20) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x1f, &(0x7f0000000900)={r3, @in={{0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0xa}}}, 0x6, 0x2}, &(0x7f00000009c0)=0x90) 2018/05/17 15:02:17 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x10200, 0x0) mkdirat$cgroup(r0, &(0x7f0000000080)='syz0\x00', 0x1ff) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:17 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:17 executing program 4 (fault-call:2 fault-nth:3): perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:17 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:17 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = syz_open_dev$adsp(&(0x7f0000000040)='/dev/adsp#\x00', 0x2, 0x600) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS(r2, 0xc05c5340, &(0x7f00000000c0)={0x846, 0x9, 0x10001, {}, 0x3, 0xc0}) getpeername$llc(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000180)=0x10) openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r1, 0x0) [ 227.813571] FAT-fs (loop0): bogus number of reserved sectors [ 227.819550] FAT-fs (loop0): Can't find a valid FAT filesystem [ 227.859819] FAULT_INJECTION: forcing a failure. [ 227.859819] name failslab, interval 1, probability 0, space 0, times 0 [ 227.871338] CPU: 1 PID: 17279 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 227.878636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.888006] Call Trace: [ 227.890623] dump_stack+0x1b9/0x294 [ 227.894285] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.899508] ? perf_trace_lock_acquire+0xe3/0x980 [ 227.904398] should_fail.cold.4+0xa/0x1a [ 227.908489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.913622] ? save_stack+0x43/0xd0 [ 227.917267] ? kmem_cache_alloc_trace+0x152/0x780 [ 227.922134] ? __memcg_init_list_lru_node+0x17d/0x2c0 [ 227.927344] ? __list_lru_init+0x456/0x790 [ 227.931699] ? sget_userns+0x767/0xf00 [ 227.935611] ? graph_lock+0x170/0x170 [ 227.939434] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 227.944210] ? do_mount+0x564/0x3070 [ 227.947943] ? ksys_mount+0x12d/0x140 [ 227.951760] ? __x64_sys_mount+0xbe/0x150 [ 227.955930] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.961325] ? find_held_lock+0x36/0x1c0 [ 227.965420] ? __lock_is_held+0xb5/0x140 [ 227.969541] ? check_same_owner+0x320/0x320 [ 227.973895] ? rcu_note_context_switch+0x710/0x710 [ 227.978860] __should_failslab+0x124/0x180 [ 227.983122] should_failslab+0x9/0x14 [ 227.986944] kmem_cache_alloc_trace+0x2cb/0x780 [ 227.991627] ? __kmalloc_node+0x33/0x70 [ 227.995602] ? __kmalloc_node+0x33/0x70 [ 227.999584] ? rcu_read_lock_sched_held+0x108/0x120 [ 228.004609] __memcg_init_list_lru_node+0x17d/0x2c0 [ 228.009628] ? kvfree_rcu+0x20/0x20 [ 228.013255] ? __kmalloc_node+0x47/0x70 [ 228.017237] __list_lru_init+0x456/0x790 [ 228.021301] ? list_lru_destroy+0x4c0/0x4c0 [ 228.025623] ? mark_held_locks+0xc9/0x160 [ 228.029773] ? __raw_spin_lock_init+0x1c/0x100 [ 228.034354] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 228.039379] ? lockdep_init_map+0x9/0x10 [ 228.043443] sget_userns+0x767/0xf00 [ 228.047151] ? get_anon_bdev+0x2f0/0x2f0 [ 228.051221] ? destroy_unused_super.part.11+0x110/0x110 [ 228.056584] ? __alloc_pages_nodemask+0xacf/0xd70 [ 228.061435] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 228.066461] ? kasan_check_read+0x11/0x20 [ 228.070621] ? cap_capable+0x1f9/0x260 [ 228.074523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.080066] ? security_capable+0x99/0xc0 [ 228.084223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.089769] ? ns_capable_common+0x13f/0x170 [ 228.094185] ? get_anon_bdev+0x2f0/0x2f0 [ 228.098244] sget+0x10b/0x150 [ 228.101352] ? fuse_get_root_inode+0x190/0x190 [ 228.105936] mount_nodev+0x33/0x110 [ 228.109563] fuse_mount+0x2c/0x40 [ 228.113037] mount_fs+0xae/0x328 [ 228.116411] vfs_kern_mount.part.34+0xd4/0x4d0 [ 228.120997] ? may_umount+0xb0/0xb0 [ 228.124631] ? _raw_read_unlock+0x22/0x30 [ 228.128777] ? __get_fs_type+0x97/0xc0 [ 228.132682] do_mount+0x564/0x3070 [ 228.136221] ? do_raw_spin_unlock+0x9e/0x2e0 [ 228.140637] ? copy_mount_string+0x40/0x40 [ 228.144879] ? rcu_pm_notify+0xc0/0xc0 [ 228.148796] ? copy_mount_options+0x5f/0x380 [ 228.153200] ? rcu_read_lock_sched_held+0x108/0x120 [ 228.158217] ? kmem_cache_alloc_trace+0x616/0x780 [ 228.163069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.168615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.174149] ? copy_mount_options+0x285/0x380 [ 228.178663] ksys_mount+0x12d/0x140 [ 228.182306] __x64_sys_mount+0xbe/0x150 [ 228.186279] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 228.191320] do_syscall_64+0x1b1/0x800 [ 228.195214] ? finish_task_switch+0x1ca/0x840 [ 228.199715] ? syscall_return_slowpath+0x5c0/0x5c0 [ 228.204646] ? syscall_return_slowpath+0x30f/0x5c0 [ 228.209670] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 228.215056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.219920] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 228.225112] RIP: 0033:0x455a09 [ 228.228298] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 228.236017] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 228.243287] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 228.250553] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 2018/05/17 15:02:18 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) ftruncate(0xffffffffffffffff, 0x7fff) sendfile(r2, 0xffffffffffffffff, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:18 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x0, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:18 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:18 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)="2e2f6367726f75702e6b70750069f0", 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:18 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) io_setup(0x4, &(0x7f0000000040)=0x0) r4 = fcntl$dupfd(r1, 0x406, r2) r5 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000180)='/dev/vga_arbiter\x00', 0x80, 0x0) r6 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000280)='/dev/hwrng\x00', 0x1, 0x0) r7 = syz_open_dev$amidi(&(0x7f0000000640)='/dev/amidi#\x00', 0x5, 0x8000) io_submit(r3, 0x5, &(0x7f00000006c0)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x7, 0x0, r2, &(0x7f0000000100)="e21a0ca239b69aa8a84c781012b6604f464e278c62ba7df0f8e81526b889a1929099b55f6588ddf2b5f9c21e7acf5eec5ef5fca0087fb33db98ed57e255338ddd9dc86aa326ff26e99f8a13e9c8eefad0831742fa05976045cff12f08ac7bd8394f8c6fb8780", 0x66, 0x5, 0x0, 0x0, r4}, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x8, 0x0, r1, &(0x7f0000000300)="ab046e17b91fcd6ca92611087beeb406ef26cf8bb67068944485ae572ef7ad58ba0f4413855c700caa2e34554898ae665f6c99257d7ad47fae19107184b6105ea646bb16bf0d52a1c4a097b91a707cd3057ba96aeab82077fdbfa5eec8d41b0a68aaaaa38ad1e3aaa5db0f7272aee6323846ae9bc9ac92fee795ea237ba74166679e4809b0e23c", 0x87, 0x401, 0x0, 0x1, r5}, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x100000000, r1, &(0x7f00000003c0)="b6a26086865ebcf9e6bbe0577328f93b40b49c13ee5b107594ed32b7b6d24533ab7c0f5d482c7ae9cb77965b998c4756f9d40ae99a0662bf5c74862d592ac31b3e7aed61ba57ed66a76914b20b30eeab71cf3204d4bd944ebc6e500a0468be9cf4ac6c78cbe769caffd3a421c4002daf3c6c0baa834366a2c5df9edeb2b7fd44eab5de5275fdf64490536c6f49cc93c5ee72830d6a99f94c439d16645ffef401ef6fc707eda5bfe87b8135bd29bfae4301275591fce90eb734760a234c6a9ea412db36c081d4be6660de101a8beefbfe00eff06136af81fbf49884cc0501ac53d083329e5527abfa", 0xe8, 0x4, 0x0, 0x0, r6}, &(0x7f0000000580)={0x0, 0x0, 0x0, 0x3, 0x7fffffff, r0, &(0x7f0000000500)="725a7504a28889cfa91c647b6ec59d0de2b69dfd6a2aa122cfa8b52711ab1e3c39aac7c888a683f2cb36eaaae7f8dac45fac825116e8e8896ebf48008e3fb1126e494bd4fa22089c70e902c3d6a1a460f7ea303184", 0x55, 0x6, 0x0, 0x1, r0}, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x3, 0x75190553, r1, &(0x7f00000005c0)="d1a50ac449cf3d6d67464f26527d970b6573e1a817143e305d158d374f535752972e808685f9a652766d0c6c7cadf3dddec00d722b91a2923e391774b53227f7e0486c52a2fbba2561524318f75f22204a45de45ca118f136662239d615e6d8916deb184", 0x64, 0x8, 0x0, 0x1, r7}]) [ 228.257831] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 228.265097] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:18 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:18 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = dup3(r0, r2, 0x0) epoll_wait(r3, &(0x7f00000000c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}], 0x9, 0x5) 2018/05/17 15:02:18 executing program 0 (fault-call:2 fault-nth:30): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:18 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) pwritev(0xffffffffffffffff, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = dup2(r0, r1) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000180)={@loopback={0x0, 0x1}, 0x1200, 0x3, 0x2, 0xe, 0x200, 0x2, 0x6}, 0x20) getsockname(r2, &(0x7f0000000100)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, &(0x7f0000000080)=0x80) 2018/05/17 15:02:18 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:18 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x0, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:18 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x1d6676d8c979f71c, 0x0) sendmsg$nl_crypto(r1, &(0x7f00000001c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000300)=@alg={0xf8, 0x10, 0x200, 0x70bd29, 0x25dfdbfc, {{'hmac(wp512)\x00'}, [], [], 0x2000, 0x2400}, [{0x8, 0x1, 0x7f}, {0x8, 0x1, 0x7}, {0x8, 0x1, 0x7786}]}, 0xf8}, 0x1, 0x0, 0x0, 0x1}, 0x44000) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x200000, 0x0) ioctl$KVM_ASSIGN_SET_MSIX_ENTRY(r3, 0x4010ae74, &(0x7f0000000080)={0x0, 0x20, 0x2}) 2018/05/17 15:02:18 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x9, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:18 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:18 executing program 6: r0 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x2, 0x2) openat$cgroup_int(r0, &(0x7f00000000c0)='cpuset.mem_exclusive\x00', 0x2, 0x0) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r1, r3, 0x0) [ 228.598997] FAT-fs (loop0): bogus number of reserved sectors [ 228.604990] FAT-fs (loop0): Can't find a valid FAT filesystem [ 228.655685] FAULT_INJECTION: forcing a failure. [ 228.655685] name failslab, interval 1, probability 0, space 0, times 0 [ 228.667328] CPU: 1 PID: 17335 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 228.674624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 228.683999] Call Trace: [ 228.686612] dump_stack+0x1b9/0x294 [ 228.690281] ? dump_stack_print_info.cold.2+0x52/0x52 [ 228.695497] ? perf_trace_lock_acquire+0xe3/0x980 [ 228.700381] should_fail.cold.4+0xa/0x1a [ 228.704475] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.709599] ? save_stack+0x43/0xd0 [ 228.713241] ? kmem_cache_alloc_trace+0x152/0x780 [ 228.718106] ? __memcg_init_list_lru_node+0x17d/0x2c0 [ 228.723309] ? __list_lru_init+0x456/0x790 [ 228.727559] ? sget_userns+0x767/0xf00 [ 228.731473] ? graph_lock+0x170/0x170 [ 228.735292] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 228.740066] ? do_mount+0x564/0x3070 [ 228.743802] ? ksys_mount+0x12d/0x140 [ 228.747624] ? __x64_sys_mount+0xbe/0x150 [ 228.751797] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 228.757195] ? find_held_lock+0x36/0x1c0 [ 228.761290] ? __lock_is_held+0xb5/0x140 [ 228.766308] ? check_same_owner+0x320/0x320 [ 228.770639] ? rcu_note_context_switch+0x710/0x710 [ 228.775578] __should_failslab+0x124/0x180 [ 228.779813] should_failslab+0x9/0x14 [ 228.783613] kmem_cache_alloc_trace+0x2cb/0x780 [ 228.788275] ? __kmalloc_node+0x33/0x70 [ 228.792248] ? __kmalloc_node+0x33/0x70 [ 228.796221] ? rcu_read_lock_sched_held+0x108/0x120 [ 228.801245] __memcg_init_list_lru_node+0x17d/0x2c0 [ 228.806266] ? kvfree_rcu+0x20/0x20 [ 228.809891] ? __kmalloc_node+0x47/0x70 [ 228.813883] __list_lru_init+0x456/0x790 [ 228.817949] ? list_lru_destroy+0x4c0/0x4c0 [ 228.822269] ? mark_held_locks+0xc9/0x160 [ 228.826418] ? __raw_spin_lock_init+0x1c/0x100 [ 228.831003] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 228.836043] ? lockdep_init_map+0x9/0x10 [ 228.840110] sget_userns+0x767/0xf00 [ 228.843818] ? get_anon_bdev+0x2f0/0x2f0 [ 228.847887] ? destroy_unused_super.part.11+0x110/0x110 [ 228.853251] ? __alloc_pages_nodemask+0xacf/0xd70 [ 228.858101] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 228.863120] ? kasan_check_read+0x11/0x20 [ 228.867270] ? cap_capable+0x1f9/0x260 [ 228.871166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.876709] ? security_capable+0x99/0xc0 [ 228.880860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.886393] ? ns_capable_common+0x13f/0x170 [ 228.890801] ? get_anon_bdev+0x2f0/0x2f0 [ 228.894859] sget+0x10b/0x150 [ 228.897970] ? fuse_get_root_inode+0x190/0x190 [ 228.902552] mount_nodev+0x33/0x110 [ 228.906198] fuse_mount+0x2c/0x40 [ 228.909652] mount_fs+0xae/0x328 [ 228.913039] vfs_kern_mount.part.34+0xd4/0x4d0 [ 228.917629] ? may_umount+0xb0/0xb0 [ 228.921256] ? _raw_read_unlock+0x22/0x30 [ 228.925402] ? __get_fs_type+0x97/0xc0 [ 228.929301] do_mount+0x564/0x3070 [ 228.932847] ? copy_mount_string+0x40/0x40 [ 228.937078] ? rcu_pm_notify+0xc0/0xc0 [ 228.940978] ? copy_mount_options+0x5f/0x380 [ 228.945384] ? rcu_read_lock_sched_held+0x108/0x120 [ 228.950398] ? kmem_cache_alloc_trace+0x616/0x780 [ 228.955246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.960783] ? _copy_from_user+0xdf/0x150 [ 228.964938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.970474] ? copy_mount_options+0x285/0x380 [ 228.974975] ksys_mount+0x12d/0x140 [ 228.978604] __x64_sys_mount+0xbe/0x150 [ 228.982583] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 228.987603] do_syscall_64+0x1b1/0x800 [ 228.991486] ? finish_task_switch+0x1ca/0x840 [ 228.995980] ? syscall_return_slowpath+0x5c0/0x5c0 [ 229.000909] ? syscall_return_slowpath+0x30f/0x5c0 [ 229.005844] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 229.011215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.016079] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.021271] RIP: 0033:0x455a09 [ 229.024461] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 229.032176] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 229.039451] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 229.046716] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 2018/05/17 15:02:18 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x0, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:18 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:18 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000300)="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", 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:18 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:18 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x0, 0x0) 2018/05/17 15:02:19 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) clock_adjtime(0x7, &(0x7f00000000c0)={0x4, 0x0, 0x76, 0x1, 0x7f, 0x7, 0x7fff, 0x7, 0x99, 0x7, 0x5, 0xb3, 0x8001, 0x8, 0x2, 0xacba, 0x1000000000000000, 0x3, 0x7f, 0x81, 0x1000, 0xfffffffffffffeff, 0x7, 0x8001, 0x93a}) write$binfmt_aout(r2, &(0x7f0000000280)={{0x10b, 0x2, 0xa1ed, 0x2c2, 0x357, 0x7, 0x271, 0xfffffffffffffff8}, "c67da2735325e6f4e0b07ea1679b252647921b47a8cdb3b070c801c5cb1ad1fe61a38986091e77644ee47663745fb4b187cdbbd323994edd220dad78e61463081b84e1ada512fbfdb9a6b1b09208", [[], [], [], [], [], [], []]}, 0x76e) [ 229.054154] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 229.061428] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:19 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x6, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:19 executing program 0 (fault-call:2 fault-nth:31): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:19 executing program 6: getresuid(&(0x7f00000000c0), &(0x7f0000000100)=0x0, &(0x7f0000000140)) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) chown(&(0x7f0000000040)='./file0\x00', r0, r1) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$dspn(&(0x7f0000000380)='/dev/dsp#\x00', 0x7, 0x2080) setsockopt$inet6_opts(r2, 0x29, 0x3f, &(0x7f00000004c0)=ANY=[@ANYBLOB="2b0b00000000000005020000c91000000000000c0000a00000000000000000010007180000000204e17f0003000000000000000700000000000000c204ffff80f105028000c910fe8000000000000000000000000000bb0502000005020004000100000000000000468bb89b6d919569553810a239603bcb93c30de8dd4ffc02ac8478a1b636eda25ff609fec6fa204728b7d4f03a773d592f6ce1ad5c7269dc22eaa0987adc95667a36cf9a6ba581fe3ef91dc6f76fa96386c07135e77b4ac99eec7fc42e0896c2315c4c543d02d1087b03bb8172bdccfe9c02a2c64e6bae49f1094917d56604142581e48c"], 0x68) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vcs\x00', 0x40000, 0x0) getsockname$inet(r4, &(0x7f0000000300)={0x0, 0x0, @multicast2}, &(0x7f0000000340)=0x10) r5 = openat$cgroup_int(r3, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r6 = dup3(r3, r5, 0xfffffffffffffffc) accept4$bt_l2cap(r6, &(0x7f00000003c0), &(0x7f0000000400)=0xe, 0x80800) 2018/05/17 15:02:19 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:19 executing program 1: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/autofs\x00', 0x400, 0x0) write$cgroup_subtree(r0, &(0x7f0000000280)={[{0x2d, 'io', 0x20}, {0x2d, 'cpu', 0x20}]}, 0x9) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80000) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, r1, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r4 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffd) add_key(&(0x7f0000000080)='big_key\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="26b3f6667de96c782342581b8b45d6525435583df1dc23359eba45515f7068e2254cd9d606e7526653cbaa43bc79a6770088cb77064bb82d08366a13600c853e312f4bc710393b86e87f4f0ab733c0b794ea92a46f71937d6049bf3ed45f068a6918231465c33e4dce6a427850411e49150dbec0eb836200650811d347145bb87081658b764618879a6dd8453e6f8da1de13322f0e3078fcfc99ccd8d57cecc6bfedfdfdfe62d34276e76440087584b71b96761b645144c1fb59706e1e43ef7d3926dc6d5c3f2398254155a58a282d881f56328821e654c126174bc3bc", 0xdd, r4) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:19 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$msdos(&(0x7f0000000080)='msdos\x00', &(0x7f0000000100)='./file0\x00', 0xda, 0x1, &(0x7f0000000140)=[{&(0x7f0000000300)="6fde7ba08c94534156a88c4000dd9d63398218d03a5e26a8565edb15f18f2639d32cf4cf9b1d98c5705aab04eb6a69711207450f57e4bf3af313e29cfb389085013e108aa23063180728d4c6b3494675926c6c59105fbde60a2e6e0e6fd5c8c22d371f4dab3ca16bd0bba04df0b43e4085664f5c47c4884aa9eec7bfb766deeea93005a1a25c196b72db7e8dab2ee020fb4fa4e59a52d8c29baa647f84566075b38cd121e42c2064dedfb4237b806d089b28d1d4c91f5709ee11069b46411044a4a414bb03abd2c74a5d81486508b5b9b541d5afeb776780c3e523924bc5caffedd891311c09941d751b187fb131adda", 0xf0, 0x200}], 0x200000, &(0x7f0000000400)=ANY=[@ANYBLOB]) r0 = getpgid(0x0) move_pages(r0, 0x1, &(0x7f0000000180)=[&(0x7f0000ffc000/0x3000)=nil], &(0x7f00000001c0)=[0x7, 0x3ff, 0x8feb, 0x0, 0x7, 0xfff], &(0x7f0000000280)=[0x0, 0x0, 0x0], 0x6) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000400)='/proc/sys/net/ipv4/vs/sync_retries\x00', 0x2, 0x0) r2 = syz_open_dev$vcsn(&(0x7f0000000480)='/dev/vcs#\x00', 0x8, 0x240800) ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f00000004c0)={0x2000, &(0x7f0000000440), 0x2, r2, 0x4}) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r4 = openat$cgroup_int(r3, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) clock_gettime(0x1, &(0x7f0000000040)) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f0000000500)={0x0, 0x80000, r1}) ioctl$DRM_IOCTL_GEM_OPEN(r1, 0xc010640b, &(0x7f0000000540)={0x0, 0x0, 0x7}) ioctl$DRM_IOCTL_GEM_FLINK(r1, 0xc008640a, &(0x7f0000000580)={r5, r6}) pwritev(r4, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:19 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x0, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:19 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 229.279162] FAT-fs (loop0): bogus number of reserved sectors [ 229.285141] FAT-fs (loop0): Can't find a valid FAT filesystem [ 229.365368] FAULT_INJECTION: forcing a failure. [ 229.365368] name failslab, interval 1, probability 0, space 0, times 0 [ 229.376842] CPU: 1 PID: 17386 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 229.384140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.393511] Call Trace: [ 229.396152] dump_stack+0x1b9/0x294 [ 229.399812] ? dump_stack_print_info.cold.2+0x52/0x52 [ 229.405036] ? perf_trace_lock_acquire+0xe3/0x980 [ 229.409925] should_fail.cold.4+0xa/0x1a [ 229.414018] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.419153] ? save_stack+0x43/0xd0 [ 229.422806] ? kmem_cache_alloc_trace+0x152/0x780 [ 229.427669] ? __memcg_init_list_lru_node+0x17d/0x2c0 [ 229.432883] ? __list_lru_init+0x456/0x790 [ 229.437138] ? sget_userns+0x767/0xf00 [ 229.441052] ? graph_lock+0x170/0x170 [ 229.444874] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 229.449650] ? do_mount+0x564/0x3070 [ 229.453384] ? ksys_mount+0x12d/0x140 [ 229.457214] ? __x64_sys_mount+0xbe/0x150 [ 229.461391] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.466785] ? find_held_lock+0x36/0x1c0 [ 229.470887] ? __lock_is_held+0xb5/0x140 [ 229.475008] ? check_same_owner+0x320/0x320 [ 229.479368] ? rcu_note_context_switch+0x710/0x710 [ 229.484335] __should_failslab+0x124/0x180 [ 229.488598] should_failslab+0x9/0x14 [ 229.492427] kmem_cache_alloc_trace+0x2cb/0x780 [ 229.497126] ? __kmalloc_node+0x33/0x70 [ 229.501120] ? __kmalloc_node+0x33/0x70 [ 229.505118] ? rcu_read_lock_sched_held+0x108/0x120 [ 229.510170] __memcg_init_list_lru_node+0x17d/0x2c0 [ 229.515217] ? kvfree_rcu+0x20/0x20 [ 229.518872] ? __kmalloc_node+0x47/0x70 [ 229.522893] __list_lru_init+0x456/0x790 [ 229.526986] ? list_lru_destroy+0x4c0/0x4c0 [ 229.531330] ? mark_held_locks+0xc9/0x160 [ 229.535503] ? __raw_spin_lock_init+0x1c/0x100 [ 229.540111] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 229.545163] ? lockdep_init_map+0x9/0x10 [ 229.549281] sget_userns+0x767/0xf00 [ 229.553012] ? get_anon_bdev+0x2f0/0x2f0 [ 229.557109] ? destroy_unused_super.part.11+0x110/0x110 [ 229.562490] ? __alloc_pages_nodemask+0xacf/0xd70 [ 229.567361] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 229.572416] ? kasan_check_read+0x11/0x20 [ 229.576592] ? cap_capable+0x1f9/0x260 [ 229.580518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.586069] ? security_capable+0x99/0xc0 [ 229.590245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.595801] ? ns_capable_common+0x13f/0x170 [ 229.600238] ? get_anon_bdev+0x2f0/0x2f0 [ 229.604321] sget+0x10b/0x150 [ 229.607455] ? fuse_get_root_inode+0x190/0x190 [ 229.612060] mount_nodev+0x33/0x110 [ 229.615716] fuse_mount+0x2c/0x40 [ 229.619193] mount_fs+0xae/0x328 [ 229.622590] vfs_kern_mount.part.34+0xd4/0x4d0 [ 229.627206] ? may_umount+0xb0/0xb0 [ 229.631202] ? _raw_read_unlock+0x22/0x30 [ 229.635399] ? __get_fs_type+0x97/0xc0 [ 229.639323] do_mount+0x564/0x3070 [ 229.642886] ? do_raw_spin_unlock+0x9e/0x2e0 [ 229.647338] ? copy_mount_string+0x40/0x40 [ 229.651604] ? rcu_pm_notify+0xc0/0xc0 [ 229.655532] ? copy_mount_options+0x5f/0x380 [ 229.659991] ? rcu_read_lock_sched_held+0x108/0x120 [ 229.665034] ? kmem_cache_alloc_trace+0x616/0x780 [ 229.669906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.675482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.681039] ? copy_mount_options+0x285/0x380 [ 229.685570] ksys_mount+0x12d/0x140 [ 229.689225] __x64_sys_mount+0xbe/0x150 [ 229.693235] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 229.698280] do_syscall_64+0x1b1/0x800 [ 229.702189] ? finish_task_switch+0x1ca/0x840 [ 229.706711] ? syscall_return_slowpath+0x5c0/0x5c0 [ 229.711668] ? syscall_return_slowpath+0x30f/0x5c0 2018/05/17 15:02:19 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000540)='/dev/sequencer\x00', 0x400000, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(r0, 0xc08c5335, &(0x7f0000000580)={0x20, 0x7, 0x80000000, 'queue1\x00', 0x6}) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) syz_mount_image$iso9660(&(0x7f0000000140)='iso9660\x00', &(0x7f0000000180)='./file0\x00', 0x2, 0x2, &(0x7f0000000280)=[{&(0x7f00000001c0)="7937464169127c5d4cbd220cfcdafcfdfe509ae3171ebffc8c71d9113f373e8550c7cb3de3d27653", 0x28, 0x3}, {&(0x7f0000000300)="8f06f34bacee4c7229f77b43e6083102497b51b3cd11ab7d1841ebe8b11ef37e76156c12b7a21901315e77d3600dfd568f0d8366b69b2e726dc81eb538c9c6d46074eced02ec245701b02a333adf25db7bb7ac445baefaac65cd7b59e011bcf122fc5da24e067f750a1a147be5b368b5e06153fe2a9a53edf2324cb7268c879cb26b28cf49b12576fc71e0e3df5a40405818223e5895d88adf7b6736c1db38b86935fc7b8e1d90a87eccc0801bc081a8945d433387d8b52b59b25e747517096813a2417cb6bf92", 0xc7, 0x800}], 0x2000000, &(0x7f0000000400)={[{@check_relaxed='check=relaxed', 0x2c}, {@check_relaxed='check=relaxed', 0x2c}, {@utf8='utf8', 0x2c}, {@map_normal='map=normal', 0x2c}, {@unhide='unhide', 0x2c}, {@unhide='unhide', 0x2c}, {@map_off='map=off', 0x2c}]}) syncfs(r2) r3 = memfd_create(&(0x7f0000000040)='\x00', 0x2) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptmx\x00', 0x40, 0x0) ioctl$TIOCMSET(r3, 0x5418, &(0x7f0000000080)=0x8) ioctl$GIO_FONTX(r3, 0x4b6b, &(0x7f0000000480)=""/129) 2018/05/17 15:02:19 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:19 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0xc, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:19 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) syz_mount_image$f2fs(&(0x7f0000000040)='f2fs\x00', &(0x7f00000000c0)='./file0\x00', 0x200, 0x1, &(0x7f00000001c0)=[{&(0x7f0000000100)="34b045115c1ad0fde37a2621d68557b88f107d2f0ec4557db3ad3348e58980954ba9132ad290c984aa62c510a3f42a233d95ae9373eb9effd5f8a613a72f6a9732b57b0017fffafbe14324519f4263234989a0d719b3c7ae2f172bff4a0d33943d5422ac753861d54e251b62a936d5567813a18376da3b5508b72ea0e191dc52eddbab2902b2e832222371911f04bbd7202704ed5b9f5b2f0d651147b933759ed19788fc", 0xa4, 0x800}], 0x8000b, &(0x7f0000000280)=ANY=[@ANYBLOB='inline_xattr_size=7?,alloc_mode=reuloc_mode=reuse,active_logs=6,\x00\x00\x00\x00\x00\x00']) r2 = dup3(r0, r1, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r2, 0xc4c85513, &(0x7f0000000300)={{0x7f, 0x6, 0x7fffffff, 0x6, "f01676faf015c806a8b0c3ea7fdb17b116bf1abafd38ae04fcdad7fe9a9427fdb14efb34a8ba302adb2ee7ea", 0x7fffffff}, 0x100000001, [0x7f, 0xfffffffffffffc00, 0x2, 0x101, 0x7, 0x81, 0x3f, 0x6, 0x0, 0x6, 0x9, 0x9, 0x7, 0x10000, 0x59c7, 0x1a, 0x2000000000000000, 0x800000000000, 0x5, 0x6, 0x0, 0x1000, 0x10000, 0x80000001, 0x81, 0x6, 0xa3b, 0x0, 0x8, 0xffffffffffffffff, 0x2, 0x0, 0x0, 0x0, 0x100000000, 0x6, 0xf, 0x709, 0x2, 0x0, 0x7, 0xfffffffffffffff7, 0x400, 0x5, 0x6, 0x7, 0x1bf0, 0x1ff, 0x94, 0x9, 0x42, 0x7ff, 0x52, 0x2, 0x128d, 0x9, 0x7fff, 0x80000000, 0x47d2ca9, 0x9, 0x4, 0x7ff, 0x3ff, 0x1ff, 0x7, 0xfc10, 0x9, 0xfffffffffffffffa, 0x6, 0xffffffff, 0x6, 0x0, 0x15c, 0x100000000, 0xfffffffffffffffb, 0x3, 0x9, 0x5, 0x6, 0x7, 0xb6, 0x5, 0x4, 0xe9, 0x8, 0x0, 0x6, 0x6, 0x401, 0x80, 0xfffffffffffffffa, 0xd7, 0xcc, 0x9, 0x615f, 0xfffffffffffff801, 0x9, 0xfffffffffffffff7, 0x3, 0x5, 0x7fff, 0x6, 0x6, 0x7, 0x8, 0xfffffffffffffffd, 0xb6, 0x10001, 0x4, 0x4, 0x10000000000, 0xb8, 0x14, 0x26bb827d, 0x856f, 0x5, 0x7fffffff, 0x6, 0x100, 0x800, 0x6, 0x4, 0x20, 0x80000001, 0x4, 0x400, 0x1ff, 0x100000001]}) 2018/05/17 15:02:19 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x0, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:19 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:19 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0xd, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:19 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:19 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x0, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 229.716628] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 229.722025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.726902] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.732108] RIP: 0033:0x455a09 [ 229.735312] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 229.743048] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 229.750338] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 229.757637] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 229.764930] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 229.772221] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 229.800662] FAT-fs (loop2): bogus number of reserved sectors [ 229.806767] FAT-fs (loop2): Can't find a valid FAT filesystem [ 229.823981] isofs_fill_super: bread failed, dev=loop1, iso_blknum=16, block=32 [ 229.924928] isofs_fill_super: bread failed, dev=loop1, iso_blknum=16, block=32 [ 229.945426] FAT-fs (loop2): Unrecognized mount option "/proc/sys/net/ipv4/vs/sync_retries" or missing value 2018/05/17 15:02:19 executing program 0 (fault-call:2 fault-nth:32): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:19 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:19 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) ioctl(r0, 0x7fffffff, &(0x7f0000000100)="e9626138e68c7fa0f12ccbf04f4d3a983c9a28f5cc05647cc6560483994b3701a4c69eeb35e96fdde1412d82b63f7d6246") r2 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0x81, 0x309001) ioctl$DRM_IOCTL_GET_MAP(r2, 0xc0286404, &(0x7f0000000080)={&(0x7f0000ffc000/0x2000)=nil, 0x10001, 0x3, 0x2, &(0x7f0000ffc000/0x1000)=nil, 0xcd}) socket$alg(0x26, 0x5, 0x0) r3 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) fcntl$setlease(r3, 0x400, 0x3) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:19 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0xf, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:19 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:19 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='cpuset.cpus\x00', 0x2, 0x0) r3 = memfd_create(&(0x7f0000000080)="3a239500", 0x3) sendmsg$nl_route(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=@ipv4_getnetconf={0x1c, 0x52, 0x20, 0x70bd25, 0x25dfdbfb, {0x2}, [@NETCONFA_FORWARDING={0x8, 0x2, 0x80000001}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40010}, 0x20000000) r4 = dup3(r0, r2, 0x0) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000280)='IPVS\x00') sendmsg$IPVS_CMD_GET_DEST(r4, &(0x7f0000000440)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000400)={&(0x7f00000002c0)={0x124, r5, 0x300, 0x70bd26, 0x25dfdbfb, {0x8}, [@IPVS_CMD_ATTR_DEST={0x44, 0x2, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x5}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x4}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0xff}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x9}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e23}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x8}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0xffffffff}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3}]}, @IPVS_CMD_ATTR_SERVICE={0x58, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0xebb}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x11}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x2}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e22}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x7f}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x21}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xffffffffffffffff}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8001}, @IPVS_CMD_ATTR_DAEMON={0x14, 0x3, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x9}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e21}]}, @IPVS_CMD_ATTR_DAEMON={0x2c, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast2={0xff, 0x2, [], 0x1}}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast2={0xff, 0x2, [], 0x1}}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x9}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x1}, @IPVS_CMD_ATTR_DEST={0x14, 0x2, [@IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x100000001}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0xfffffffffffffffb}]}]}, 0x124}, 0x1, 0x0, 0x0, 0x20000000}, 0x40) setsockopt$inet6_IPV6_ADDRFORM(r3, 0x29, 0x1, &(0x7f0000000480)=0x2, 0x4) 2018/05/17 15:02:19 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:19 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x0, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 230.098953] FAT-fs (loop0): bogus number of reserved sectors [ 230.104929] FAT-fs (loop0): Can't find a valid FAT filesystem [ 230.160299] FAULT_INJECTION: forcing a failure. [ 230.160299] name failslab, interval 1, probability 0, space 0, times 0 [ 230.171631] CPU: 0 PID: 17469 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 230.178930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.188302] Call Trace: [ 230.190923] dump_stack+0x1b9/0x294 [ 230.194586] ? dump_stack_print_info.cold.2+0x52/0x52 [ 230.199804] ? perf_trace_lock_acquire+0xe3/0x980 [ 230.204700] should_fail.cold.4+0xa/0x1a 2018/05/17 15:02:20 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:20 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000001c0)="00000000000000000014000000", 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) io_setup(0x1, &(0x7f0000000280)=0x0) r4 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001300)={r1, 0x3, 0x1, 0x401, &(0x7f00000012c0)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5}, 0x20) io_cancel(r3, &(0x7f0000001340)={0x0, 0x0, 0x0, 0x1, 0xcdf, r0, &(0x7f00000002c0)="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", 0x1000, 0x0, 0x0, 0x1, r4}, &(0x7f0000001380)) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000140)={0x0}, &(0x7f0000000180)=0xc) perf_event_open(&(0x7f00000000c0)={0x3, 0x70, 0x1, 0x4, 0x8, 0xffffffff, 0x0, 0x1000, 0x40000, 0xa, 0x8, 0xf1d8, 0x10001, 0x7, 0x2, 0x3, 0x200, 0xe0, 0x5, 0x9, 0x8, 0x1, 0x3, 0x9, 0x1, 0x5, 0x9, 0x3, 0xffffffff, 0x3, 0x85, 0x40, 0xaae, 0x4, 0xfff, 0x5, 0xffffffff80000000, 0xcc7, 0x0, 0xbce2, 0x0, @perf_bp={&(0x7f0000000040), 0xa}, 0x0, 0x3, 0xf552, 0x5, 0x8, 0x9, 0x9bfa}, r5, 0x6, r0, 0xa) r6 = dup3(r0, r2, 0x0) r7 = ioctl$LOOP_CTL_GET_FREE(r6, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r7) [ 230.208793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.213929] ? save_stack+0x43/0xd0 [ 230.217582] ? kmem_cache_alloc_trace+0x152/0x780 [ 230.222442] ? __memcg_init_list_lru_node+0x17d/0x2c0 [ 230.227668] ? __list_lru_init+0x456/0x790 [ 230.231934] ? sget_userns+0x767/0xf00 [ 230.235859] ? graph_lock+0x170/0x170 [ 230.239683] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 230.244458] ? do_mount+0x564/0x3070 [ 230.248191] ? ksys_mount+0x12d/0x140 [ 230.252015] ? __x64_sys_mount+0xbe/0x150 [ 230.256187] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.261563] ? find_held_lock+0x36/0x1c0 [ 230.265633] ? __lock_is_held+0xb5/0x140 [ 230.269706] ? check_same_owner+0x320/0x320 [ 230.274042] ? rcu_note_context_switch+0x710/0x710 [ 230.278976] __should_failslab+0x124/0x180 [ 230.283230] should_failslab+0x9/0x14 [ 230.287036] kmem_cache_alloc_trace+0x2cb/0x780 [ 230.291707] ? __kmalloc_node+0x33/0x70 [ 230.295685] ? __kmalloc_node+0x33/0x70 [ 230.299661] ? rcu_read_lock_sched_held+0x108/0x120 [ 230.304698] __memcg_init_list_lru_node+0x17d/0x2c0 [ 230.309720] ? kvfree_rcu+0x20/0x20 [ 230.313342] ? __kmalloc_node+0x47/0x70 [ 230.317314] __list_lru_init+0x456/0x790 [ 230.321381] ? list_lru_destroy+0x4c0/0x4c0 [ 230.325706] ? mark_held_locks+0xc9/0x160 [ 230.329857] ? __raw_spin_lock_init+0x1c/0x100 [ 230.334441] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 230.339466] ? lockdep_init_map+0x9/0x10 [ 230.343535] sget_userns+0x767/0xf00 [ 230.347247] ? get_anon_bdev+0x2f0/0x2f0 [ 230.351316] ? destroy_unused_super.part.11+0x110/0x110 [ 230.356671] ? __alloc_pages_nodemask+0xacf/0xd70 [ 230.361511] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 230.366534] ? kasan_check_read+0x11/0x20 [ 230.370683] ? cap_capable+0x1f9/0x260 [ 230.374575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.380107] ? security_capable+0x99/0xc0 [ 230.384254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.389797] ? ns_capable_common+0x13f/0x170 [ 230.394205] ? get_anon_bdev+0x2f0/0x2f0 [ 230.398280] sget+0x10b/0x150 [ 230.401382] ? fuse_get_root_inode+0x190/0x190 [ 230.405956] mount_nodev+0x33/0x110 [ 230.409575] fuse_mount+0x2c/0x40 [ 230.413034] mount_fs+0xae/0x328 [ 230.416401] vfs_kern_mount.part.34+0xd4/0x4d0 [ 230.420987] ? may_umount+0xb0/0xb0 [ 230.424626] ? _raw_read_unlock+0x22/0x30 [ 230.428774] ? __get_fs_type+0x97/0xc0 [ 230.432660] do_mount+0x564/0x3070 [ 230.436209] ? copy_mount_string+0x40/0x40 [ 230.440434] ? rcu_pm_notify+0xc0/0xc0 [ 230.444331] ? copy_mount_options+0x5f/0x380 [ 230.448742] ? rcu_read_lock_sched_held+0x108/0x120 [ 230.453750] ? kmem_cache_alloc_trace+0x616/0x780 [ 230.458599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.464127] ? _copy_from_user+0xdf/0x150 [ 230.468281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.473831] ? copy_mount_options+0x285/0x380 [ 230.478322] ksys_mount+0x12d/0x140 [ 230.481941] __x64_sys_mount+0xbe/0x150 [ 230.485905] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 230.490918] do_syscall_64+0x1b1/0x800 [ 230.494796] ? finish_task_switch+0x1ca/0x840 [ 230.499299] ? syscall_return_slowpath+0x5c0/0x5c0 [ 230.504240] ? syscall_return_slowpath+0x30f/0x5c0 [ 230.509176] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 230.514538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.519379] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.524570] RIP: 0033:0x455a09 [ 230.527745] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 230.535458] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 230.542716] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 230.549983] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 2018/05/17 15:02:20 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = dup3(r0, r2, 0x0) getsockopt$inet_sctp_SCTP_RTOINFO(r3, 0x84, 0x0, &(0x7f0000000280)={0x0, 0x100, 0x5, 0x537b}, &(0x7f00000002c0)=0xfffffffffffffdae) getsockopt$inet_sctp6_SCTP_CONTEXT(r3, 0x84, 0x11, &(0x7f0000000300)={r4, 0xfffffffffffffffe}, &(0x7f0000000340)=0x8) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r3, 0x84, 0x71, &(0x7f0000000040)={0x0, 0x800}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, &(0x7f0000000100)={r5, @in={{0x2, 0x4e22, @broadcast=0xffffffff}}, 0x3ff, 0xfff}, &(0x7f00000001c0)=0x90) [ 230.557256] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 230.564544] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:20 executing program 0 (fault-call:2 fault-nth:33): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:20 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:20 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x3, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:20 executing program 1: perf_event_open(&(0x7f0000000300)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9000, 0x9}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x2000, 0x0) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') sendmsg$IPVS_CMD_SET_CONFIG(r2, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000440)=ANY=[@ANYBLOB="f8000000", @ANYRES16=r3, @ANYBLOB="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"], 0xf8}, 0x1, 0x0, 0x0, 0x20000004}, 0x8000) 2018/05/17 15:02:20 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x0, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:20 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000280)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:20 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r3 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x7fff) sendfile(r2, r3, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:20 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x8000, 0x0) accept4$alg(r2, 0x0, 0x0, 0x0) r3 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r3, 0x0) [ 230.750354] FAT-fs (loop0): bogus number of reserved sectors [ 230.756429] FAT-fs (loop0): Can't find a valid FAT filesystem [ 230.817539] FAULT_INJECTION: forcing a failure. [ 230.817539] name failslab, interval 1, probability 0, space 0, times 0 [ 230.828866] CPU: 1 PID: 17512 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 230.836294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.845662] Call Trace: [ 230.848279] dump_stack+0x1b9/0x294 [ 230.851948] ? dump_stack_print_info.cold.2+0x52/0x52 [ 230.857171] ? perf_trace_lock_acquire+0xe3/0x980 [ 230.862054] should_fail.cold.4+0xa/0x1a [ 230.866178] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.871314] ? save_stack+0x43/0xd0 [ 230.874964] ? kmem_cache_alloc_trace+0x152/0x780 [ 230.879821] ? __memcg_init_list_lru_node+0x17d/0x2c0 [ 230.885015] ? __list_lru_init+0x456/0x790 [ 230.889268] ? sget_userns+0x767/0xf00 [ 230.893165] ? graph_lock+0x170/0x170 [ 230.896962] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 230.901724] ? do_mount+0x564/0x3070 [ 230.905531] ? ksys_mount+0x12d/0x140 [ 230.909416] ? __x64_sys_mount+0xbe/0x150 [ 230.913574] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.918945] ? find_held_lock+0x36/0x1c0 [ 230.923018] ? __lock_is_held+0xb5/0x140 [ 230.927102] ? check_same_owner+0x320/0x320 [ 230.931430] ? rcu_note_context_switch+0x710/0x710 [ 230.936378] __should_failslab+0x124/0x180 [ 230.940615] should_failslab+0x9/0x14 [ 230.944411] kmem_cache_alloc_trace+0x2cb/0x780 [ 230.949079] ? __kmalloc_node+0x33/0x70 [ 230.953054] ? __kmalloc_node+0x33/0x70 [ 230.957047] ? rcu_read_lock_sched_held+0x108/0x120 [ 230.962074] __memcg_init_list_lru_node+0x17d/0x2c0 [ 230.967094] ? kvfree_rcu+0x20/0x20 [ 230.970719] ? __kmalloc_node+0x47/0x70 [ 230.974699] __list_lru_init+0x456/0x790 [ 230.978768] ? list_lru_destroy+0x4c0/0x4c0 [ 230.983089] ? mark_held_locks+0xc9/0x160 [ 230.987240] ? __raw_spin_lock_init+0x1c/0x100 [ 230.991822] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 230.996848] ? lockdep_init_map+0x9/0x10 [ 231.000913] sget_userns+0x767/0xf00 [ 231.004622] ? get_anon_bdev+0x2f0/0x2f0 [ 231.008702] ? destroy_unused_super.part.11+0x110/0x110 [ 231.014075] ? __alloc_pages_nodemask+0xacf/0xd70 [ 231.018926] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 231.023950] ? kasan_check_read+0x11/0x20 [ 231.028106] ? cap_capable+0x1f9/0x260 [ 231.032003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.037546] ? security_capable+0x99/0xc0 [ 231.041699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.047235] ? ns_capable_common+0x13f/0x170 [ 231.051649] ? get_anon_bdev+0x2f0/0x2f0 [ 231.055705] sget+0x10b/0x150 [ 231.058812] ? fuse_get_root_inode+0x190/0x190 [ 231.063393] mount_nodev+0x33/0x110 [ 231.067029] fuse_mount+0x2c/0x40 [ 231.070498] mount_fs+0xae/0x328 [ 231.073874] vfs_kern_mount.part.34+0xd4/0x4d0 [ 231.078468] ? may_umount+0xb0/0xb0 [ 231.082096] ? _raw_read_unlock+0x22/0x30 [ 231.086253] ? __get_fs_type+0x97/0xc0 [ 231.090155] do_mount+0x564/0x3070 [ 231.093693] ? do_raw_spin_unlock+0x9e/0x2e0 [ 231.098108] ? copy_mount_string+0x40/0x40 [ 231.102341] ? rcu_pm_notify+0xc0/0xc0 [ 231.106240] ? copy_mount_options+0x5f/0x380 [ 231.110652] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.115682] ? kmem_cache_alloc_trace+0x616/0x780 [ 231.120547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.126093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.131627] ? copy_mount_options+0x285/0x380 [ 231.136129] ksys_mount+0x12d/0x140 [ 231.139769] __x64_sys_mount+0xbe/0x150 [ 231.143740] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 231.148775] do_syscall_64+0x1b1/0x800 [ 231.152660] ? finish_task_switch+0x1ca/0x840 [ 231.157158] ? syscall_return_slowpath+0x5c0/0x5c0 [ 231.162097] ? syscall_return_slowpath+0x30f/0x5c0 [ 231.167042] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 231.172417] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.177273] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 231.182463] RIP: 0033:0x455a09 [ 231.185646] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 231.193367] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 231.200634] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 231.207901] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 2018/05/17 15:02:21 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x0, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 231.215165] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 231.222433] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:21 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x31, 0x3e4, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = syz_open_dev$mouse(&(0x7f0000000140)='/dev/input/mouse#\x00', 0x81, 0x0) sendmsg$nl_route(r2, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x801}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)=@getaddr={0x14, 0x16, 0x2, 0x70bd2d, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000800}, 0x40) 2018/05/17 15:02:21 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:21 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x5, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:21 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x0) ioctl$sock_ipx_SIOCIPXNCPCONN(r1, 0x89e3, &(0x7f0000000080)=0x3549) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:21 executing program 0 (fault-call:2 fault-nth:34): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:21 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffa}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:21 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) shmctl$SHM_UNLOCK(0x0, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r3 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x7fff) sendfile(r2, r3, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:21 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x0, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:21 executing program 6: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x400001, 0x0) ioctl$int_out(r0, 0x5460, &(0x7f00000000c0)) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r1, r3, 0x0) [ 231.464206] FAT-fs (loop0): bogus number of reserved sectors [ 231.470200] FAT-fs (loop0): Can't find a valid FAT filesystem [ 231.513331] FAULT_INJECTION: forcing a failure. [ 231.513331] name failslab, interval 1, probability 0, space 0, times 0 [ 231.524655] CPU: 1 PID: 17551 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 231.531945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.541312] Call Trace: [ 231.543924] dump_stack+0x1b9/0x294 [ 231.547586] ? dump_stack_print_info.cold.2+0x52/0x52 [ 231.552798] ? perf_trace_lock_acquire+0xe3/0x980 [ 231.557684] should_fail.cold.4+0xa/0x1a [ 231.561772] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.566898] ? save_stack+0x43/0xd0 [ 231.570556] ? kmem_cache_alloc_trace+0x152/0x780 [ 231.575415] ? __memcg_init_list_lru_node+0x17d/0x2c0 [ 231.580620] ? __list_lru_init+0x456/0x790 [ 231.584878] ? sget_userns+0x767/0xf00 [ 231.588796] ? graph_lock+0x170/0x170 [ 231.592620] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 231.597399] ? do_mount+0x564/0x3070 [ 231.601135] ? ksys_mount+0x12d/0x140 [ 231.604964] ? __x64_sys_mount+0xbe/0x150 [ 231.609135] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 231.614530] ? find_held_lock+0x36/0x1c0 [ 231.618625] ? __lock_is_held+0xb5/0x140 [ 231.622741] ? check_same_owner+0x320/0x320 [ 231.627098] ? rcu_note_context_switch+0x710/0x710 [ 231.632063] __should_failslab+0x124/0x180 [ 231.636332] should_failslab+0x9/0x14 [ 231.640160] kmem_cache_alloc_trace+0x2cb/0x780 [ 231.644849] ? __kmalloc_node+0x33/0x70 [ 231.648854] ? __kmalloc_node+0x33/0x70 [ 231.652853] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.657902] __memcg_init_list_lru_node+0x17d/0x2c0 2018/05/17 15:02:21 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x3d8}, 0x20) 2018/05/17 15:02:21 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x7, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:21 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup/syz0\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r3 = dup2(r0, r0) setsockopt$IP_VS_SO_SET_ZERO(r3, 0x0, 0x48f, &(0x7f0000000080)={0x88, @empty, 0x4e21, 0x4, 'sed\x00', 0x4, 0x6, 0x4d}, 0x2c) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) ioctl$KVM_GET_EMULATED_CPUID(r3, 0xc008ae09, &(0x7f0000000300)=""/4096) r4 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$SO_BINDTODEVICE(r4, 0x1, 0x19, &(0x7f0000000040), 0x10) 2018/05/17 15:02:21 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.max\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0xffffffffffffffc6}], 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000080)={0x0, 0x7fffffff, 0x2}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000140)={r3, 0x1}, &(0x7f0000000180)=0x8) 2018/05/17 15:02:21 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x0, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 231.662947] ? kvfree_rcu+0x20/0x20 [ 231.666604] ? __kmalloc_node+0x47/0x70 [ 231.670613] __list_lru_init+0x456/0x790 [ 231.674702] ? list_lru_destroy+0x4c0/0x4c0 [ 231.679047] ? mark_held_locks+0xc9/0x160 [ 231.683227] ? __raw_spin_lock_init+0x1c/0x100 [ 231.687829] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 231.692877] ? lockdep_init_map+0x9/0x10 [ 231.696962] sget_userns+0x767/0xf00 [ 231.700694] ? get_anon_bdev+0x2f0/0x2f0 [ 231.704792] ? destroy_unused_super.part.11+0x110/0x110 [ 231.710179] ? __alloc_pages_nodemask+0xacf/0xd70 [ 231.715052] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 231.720100] ? kasan_check_read+0x11/0x20 [ 231.724276] ? cap_capable+0x1f9/0x260 [ 231.728199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.733758] ? security_capable+0x99/0xc0 [ 231.737940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.743497] ? ns_capable_common+0x13f/0x170 [ 231.747943] ? get_anon_bdev+0x2f0/0x2f0 [ 231.752025] sget+0x10b/0x150 [ 231.755165] ? fuse_get_root_inode+0x190/0x190 [ 231.759942] mount_nodev+0x33/0x110 2018/05/17 15:02:21 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 231.763595] fuse_mount+0x2c/0x40 [ 231.767157] mount_fs+0xae/0x328 [ 231.770555] vfs_kern_mount.part.34+0xd4/0x4d0 [ 231.775150] ? may_umount+0xb0/0xb0 [ 231.778794] ? _raw_read_unlock+0x22/0x30 [ 231.783047] ? __get_fs_type+0x97/0xc0 [ 231.786966] do_mount+0x564/0x3070 [ 231.790539] ? copy_mount_string+0x40/0x40 [ 231.794790] ? rcu_pm_notify+0xc0/0xc0 [ 231.798707] ? copy_mount_options+0x5f/0x380 [ 231.803132] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.808169] ? kmem_cache_alloc_trace+0x616/0x780 2018/05/17 15:02:21 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0xb, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:21 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x500000000000000}, 0x20) [ 231.813042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.818597] ? _copy_from_user+0xdf/0x150 [ 231.822775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.828332] ? copy_mount_options+0x285/0x380 [ 231.832858] ksys_mount+0x12d/0x140 [ 231.836516] __x64_sys_mount+0xbe/0x150 [ 231.840506] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 231.845549] do_syscall_64+0x1b1/0x800 [ 231.849452] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 231.854317] ? syscall_return_slowpath+0x5c0/0x5c0 [ 231.859270] ? syscall_return_slowpath+0x30f/0x5c0 [ 231.864245] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 231.869645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.874527] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 231.879731] RIP: 0033:0x455a09 [ 231.882930] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 231.890669] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 231.897951] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 231.905248] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 231.912553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 231.919850] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:21 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1a, &(0x7f0000000100)={0x0, 0x98, "8691114b39315869965242b088fb5b97f4419c437bf672c26a5a60d1d98f5113ee19ade147a4d25f0d2cb0fb9ce177deb9719fb4a8db79c88f33861a76dd833cf4e95d143507155a6e03424e56d3532ea2a89611baab355f12b5b91077aa0769fed4142e6277a091696cb89ffe544a4daad208d8ab1c8d74950341270b5c0b05120f1e365ca3c7a090fd211db289ab41bdcd08836a5e9d99"}, &(0x7f0000000040)=0xa0) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f0000000080)={r2, 0x200}, &(0x7f00000001c0)=0x8) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:21 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000140)='cpuacct.usage_user\x00', 0x0, 0x0) ioctl$RNDGETENTCNT(r1, 0x80045200, &(0x7f0000000180)) setsockopt$netlink_NETLINK_NO_ENOBUFS(r1, 0x10e, 0x5, &(0x7f0000000280)=0x2af0, 0x4) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) fcntl$getownex(r2, 0x10, &(0x7f0000000100)={0x0, 0x0}) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x147dde86, 0x8, 0x6, 0xffffffffffffffff, 0x0, 0x8000, 0x400, 0x1, 0x100, 0xecc8, 0x4, 0x8, 0xb137, 0x4, 0xfff, 0x1, 0x4, 0x7fff, 0x1, 0x5a8, 0x9, 0x800, 0x8000, 0xffff, 0x3ff, 0x8, 0x9, 0x4, 0x800, 0xfff, 0x1000, 0x4, 0x8, 0xffff, 0x9, 0xffffffffffffaf22, 0x0, 0xe4, 0x2, @perf_config_ext={0x80000001}, 0x4000, 0x3fc, 0x8, 0x0, 0x3, 0x1, 0x6}, r4, 0xf, r0, 0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000300)={0x0, @in6={{0xa, 0x4e22, 0x1000, @local={0xfe, 0x80, [], 0xaa}, 0x9}}, 0x0, 0x100, 0x3, 0x2, 0x4}, &(0x7f00000003c0)=0x98) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000400)={r5, 0x0, 0x7, 0x3, 0xb12, 0x5}, &(0x7f0000000440)=0x14) read$eventfd(r1, &(0x7f00000001c0), 0x8) ioctl$sock_SIOCGIFBR(r1, 0x8940, &(0x7f00000009c0)=@generic={0x7, 0x1, 0x3}) r6 = shmget$private(0x0, 0x2000, 0x2, &(0x7f0000ffb000/0x2000)=nil) ioctl$KVM_CHECK_EXTENSION_VM(r1, 0xae03, 0xfffffffffffffc00) shmctl$SHM_UNLOCK(r6, 0xc) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) syz_mount_image$reiserfs(&(0x7f0000000600)='reiserfs\x00', &(0x7f0000000640)='./file0\x00', 0x9, 0x3, &(0x7f0000000880)=[{&(0x7f0000000680)="cd07284630643d6d5ce10c9a5a9bee7f59839470e2f12341e05bc19dcedd18ab0648ef97dae0387a70e1f2202b51921bc8b0ce43306ca92a7b74faba", 0x3c, 0x9}, {&(0x7f00000006c0)="f644657eabb2a6c80bb38ff772615f6eaba53d7552590c2b241961e76c4d723662ff414d7b0108d06352f1b61376e478d5bc2d8decc069435bcb87242e78c7206774e6fc1d326bca3b3a8ce9e831c4fbe5ae880ea6795c7a12c2235449eb362bd33969ffc5f6bdddfc7d4e1ed35b9870f99a2c8a6e0e13754c662681c9813864c6f7b13db2c59e72", 0x88, 0x7}, {&(0x7f0000000780)="434495eef6bb520261aed08d1fad351d232b38c5dfeae6bb04de33bf185471ddec2dbf1798e3ce3d2f88c90b500c7692056da0717204b86974100472435addd7a7773bfff94ad9a9c6e33a04c6520e1638aa245bc50b85d7b7edaf8d558e45e628cc918a3ad808b5cb98df7b9b40790fac74633b87806494490e2361d1da294953f22e4c635a836a4c0daa0970fca2ac13384e3d672fd13efcab12cddc97c7366e29fbd1e6ac62f98e35f241b5c285ad707e3eac673707dcf9a9ffb7f983904491ea1fd7e80b0fc47bf704974ea2b3c389bdb60bf6938035e8a3f73f1389bd6c9cb1e427a251ac8a44b7d7f32250c1821e2725d601324fd5", 0xf8, 0xffff}], 0x1808406, &(0x7f0000000900)={[{@grpjquota='grpjquota', 0x2c}, {@hash_r5='hash=r5', 0x2c}, {@resize={'resize', 0x3d, [0x39, 0x0, 0x7f]}, 0x2c}, {@resize_auto='resize=auto', 0x2c}, {@nouser_xattr='nouser_xattr', 0x2c}, {@balloc_no_unhash_reloc='block-allocator=no_unhashed_relocation', 0x2c}, {@errors_ro_remount='errors=ro-remount', 0x2c}, {@balloc_no_unhash_reloc='block-allocator=no_unhashed_relocation', 0x2c}, {@data_journal='data=journal', 0x2c}]}) r7 = add_key$user(&(0x7f0000000480)='user\x00', &(0x7f00000004c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000500)="2d51666922b07bb85369e7adc44df9faf6a402a3afc28fb4dc6606c567471620efc59990bf3be763f583ae123a3c64f9bd47a39f948bf6c68eb18d7ddd23ca32044095b8090aa82d7e98542b6c2af6b9f29e1598c4fea007b19ee711e8f70796bc548257597d8e93714358f2ec55755c573f7ee3ff2fc1a187fcaf8c", 0x7c, 0xfffffffffffffffd) r8 = add_key$keyring(&(0x7f0000000580)='keyring\x00', &(0x7f00000005c0)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffa) keyctl$negate(0xd, r7, 0x64d, r8) 2018/05/17 15:02:21 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:21 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x0, 0x0) setsockopt$inet_msfilter(r2, 0x0, 0x29, &(0x7f00000000c0)={@broadcast=0xffffffff, @multicast1=0xe0000001, 0x1, 0x3, [@multicast1=0xe0000001, @rand_addr=0x7, @remote={0xac, 0x14, 0x14, 0xbb}]}, 0x1c) r3 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r3, 0x0) 2018/05/17 15:02:21 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x100000000000000}, 0x20) 2018/05/17 15:02:21 executing program 0 (fault-call:2 fault-nth:35): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:21 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:21 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 232.109644] FAT-fs (loop0): bogus number of reserved sectors [ 232.115613] FAT-fs (loop0): Can't find a valid FAT filesystem 2018/05/17 15:02:22 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = dup3(r0, r2, 0x0) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r3, 0x84, 0x13, &(0x7f0000000040)={0x0}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, &(0x7f0000000100)={r4, @in6={{0xa, 0x4e22, 0x8, @mcast2={0xff, 0x2, [], 0x1}, 0x1f}}, 0x100, 0x4}, 0x90) [ 232.165974] REISERFS warning (device loop2): super-6504 reiserfs_getopt: the option "grpjquota" requires an argument [ 232.165974] [ 232.189669] FAULT_INJECTION: forcing a failure. [ 232.189669] name failslab, interval 1, probability 0, space 0, times 0 [ 232.201017] CPU: 1 PID: 17614 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 232.208310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.217680] Call Trace: [ 232.220296] dump_stack+0x1b9/0x294 [ 232.223955] ? dump_stack_print_info.cold.2+0x52/0x52 [ 232.229171] ? perf_trace_lock_acquire+0xe3/0x980 [ 232.234068] should_fail.cold.4+0xa/0x1a [ 232.238164] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.243303] ? save_stack+0x43/0xd0 [ 232.246955] ? kmem_cache_alloc_trace+0x152/0x780 [ 232.251818] ? __memcg_init_list_lru_node+0x17d/0x2c0 [ 232.257033] ? __list_lru_init+0x456/0x790 [ 232.261290] ? sget_userns+0x767/0xf00 2018/05/17 15:02:22 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:22 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/syz1\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000080)='/dev/qat_adf_ctl\x00', 0x4000, 0x0) ioctl$EVIOCGBITKEY(r2, 0x80404521, &(0x7f0000000100)=""/71) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:22 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0xe, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:22 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x1000000}, 0x20) [ 232.265215] ? graph_lock+0x170/0x170 [ 232.269040] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 232.273818] ? do_mount+0x564/0x3070 [ 232.277556] ? ksys_mount+0x12d/0x140 [ 232.281376] ? __x64_sys_mount+0xbe/0x150 [ 232.285551] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 232.290948] ? find_held_lock+0x36/0x1c0 [ 232.295050] ? __lock_is_held+0xb5/0x140 [ 232.299165] ? check_same_owner+0x320/0x320 [ 232.303529] ? rcu_note_context_switch+0x710/0x710 [ 232.308496] __should_failslab+0x124/0x180 [ 232.312761] should_failslab+0x9/0x14 [ 232.316595] kmem_cache_alloc_trace+0x2cb/0x780 [ 232.321299] ? __kmalloc_node+0x33/0x70 [ 232.325296] ? __kmalloc_node+0x33/0x70 [ 232.329298] ? rcu_read_lock_sched_held+0x108/0x120 [ 232.334352] __memcg_init_list_lru_node+0x17d/0x2c0 [ 232.339401] ? kvfree_rcu+0x20/0x20 [ 232.343053] ? __kmalloc_node+0x47/0x70 [ 232.347064] __list_lru_init+0x456/0x790 [ 232.351151] ? list_lru_destroy+0x4c0/0x4c0 [ 232.355500] ? mark_held_locks+0xc9/0x160 [ 232.362280] ? __raw_spin_lock_init+0x1c/0x100 2018/05/17 15:02:22 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 232.366886] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 232.371943] ? lockdep_init_map+0x9/0x10 [ 232.376032] sget_userns+0x767/0xf00 [ 232.379768] ? get_anon_bdev+0x2f0/0x2f0 [ 232.383866] ? destroy_unused_super.part.11+0x110/0x110 [ 232.389249] ? __alloc_pages_nodemask+0xacf/0xd70 [ 232.394226] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 232.399275] ? kasan_check_read+0x11/0x20 [ 232.403483] ? cap_capable+0x1f9/0x260 [ 232.407408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.412966] ? security_capable+0x99/0xc0 2018/05/17 15:02:22 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0xd8030000}, 0x20) [ 232.417143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.422703] ? ns_capable_common+0x13f/0x170 [ 232.427140] ? get_anon_bdev+0x2f0/0x2f0 [ 232.431222] sget+0x10b/0x150 [ 232.434354] ? fuse_get_root_inode+0x190/0x190 [ 232.438957] mount_nodev+0x33/0x110 [ 232.442624] fuse_mount+0x2c/0x40 [ 232.446100] mount_fs+0xae/0x328 [ 232.449498] vfs_kern_mount.part.34+0xd4/0x4d0 [ 232.454110] ? may_umount+0xb0/0xb0 [ 232.457760] ? _raw_read_unlock+0x22/0x30 [ 232.461927] ? __get_fs_type+0x97/0xc0 [ 232.465846] do_mount+0x564/0x3070 [ 232.469406] ? do_raw_spin_unlock+0x9e/0x2e0 [ 232.473839] ? copy_mount_string+0x40/0x40 [ 232.478093] ? rcu_pm_notify+0xc0/0xc0 [ 232.482025] ? copy_mount_options+0x5f/0x380 [ 232.486452] ? rcu_read_lock_sched_held+0x108/0x120 [ 232.491488] ? kmem_cache_alloc_trace+0x616/0x780 [ 232.496360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.501932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.507487] ? copy_mount_options+0x285/0x380 [ 232.512016] ksys_mount+0x12d/0x140 [ 232.515666] __x64_sys_mount+0xbe/0x150 [ 232.519657] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 232.524697] do_syscall_64+0x1b1/0x800 [ 232.528602] ? finish_task_switch+0x1ca/0x840 [ 232.533154] ? syscall_return_slowpath+0x5c0/0x5c0 [ 232.538131] ? syscall_return_slowpath+0x30f/0x5c0 [ 232.543096] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 232.548503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.553377] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 232.558581] RIP: 0033:0x455a09 [ 232.561794] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 232.569531] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 232.576818] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 232.584105] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 232.591394] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 232.598679] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 232.656480] REISERFS warning (device loop2): super-6504 reiserfs_getopt: the option "grpjquota" requires an argument [ 232.656480] 2018/05/17 15:02:22 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x11, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:22 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = dup2(r0, r0) fcntl$addseals(r0, 0x409, 0x2) setsockopt$RDS_GET_MR_FOR_DEST(r1, 0x114, 0x7, &(0x7f0000000140)={@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x4e24, @loopback=0x7f000001}, 0x3, 0x2, 0x3, 0x2}}, {&(0x7f0000000080)=""/9, 0x9}, &(0x7f0000000100), 0x40}, 0xa0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) ppoll(&(0x7f0000000280)=[{r2, 0x501}, {r1, 0x200}, {r3, 0x20}, {r3, 0x1}, {r2, 0x100}], 0x5, &(0x7f0000000300)={0x77359400}, &(0x7f0000000340)={0x100000001}, 0x8) 2018/05/17 15:02:22 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:22 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='memory.max\x00', 0x2, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:22 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0xd803}, 0x20) 2018/05/17 15:02:22 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(0xffffffffffffffff, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r2, 0xc) setsockopt$SO_TIMESTAMPING(0xffffffffffffffff, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r3 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x7fff) sendfile(0xffffffffffffffff, r3, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:22 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/sloppy_tcp\x00', 0x2, 0x0) ioctl$BLKROSET(r2, 0x125d, &(0x7f0000000080)=0x3) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:22 executing program 0 (fault-call:2 fault-nth:36): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:22 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) [ 232.764377] FAT-fs (loop0): bogus number of reserved sectors [ 232.770323] FAT-fs (loop0): Can't find a valid FAT filesystem [ 232.829349] FAULT_INJECTION: forcing a failure. [ 232.829349] name failslab, interval 1, probability 0, space 0, times 0 [ 232.840696] CPU: 1 PID: 17677 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 232.847988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.857358] Call Trace: [ 232.859970] dump_stack+0x1b9/0x294 [ 232.863631] ? dump_stack_print_info.cold.2+0x52/0x52 [ 232.868845] ? perf_trace_lock_acquire+0xe3/0x980 [ 232.873739] should_fail.cold.4+0xa/0x1a 2018/05/17 15:02:22 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x500}, 0x20) 2018/05/17 15:02:22 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x10, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:22 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) getsockopt$IP_VS_SO_GET_DAEMON(r2, 0x0, 0x487, &(0x7f0000000040), &(0x7f0000000080)=0x30) 2018/05/17 15:02:22 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={0xffffffffffffffff, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 232.877836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.882965] ? save_stack+0x43/0xd0 [ 232.886611] ? kmem_cache_alloc_trace+0x152/0x780 [ 232.891469] ? __memcg_init_list_lru_node+0x17d/0x2c0 [ 232.896682] ? __list_lru_init+0x456/0x790 [ 232.900941] ? sget_userns+0x767/0xf00 [ 232.904852] ? graph_lock+0x170/0x170 [ 232.908674] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 232.913458] ? do_mount+0x564/0x3070 [ 232.917194] ? ksys_mount+0x12d/0x140 [ 232.921014] ? __x64_sys_mount+0xbe/0x150 2018/05/17 15:02:22 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 232.925189] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 232.930580] ? find_held_lock+0x36/0x1c0 [ 232.934677] ? __lock_is_held+0xb5/0x140 [ 232.938787] ? check_same_owner+0x320/0x320 [ 232.943143] ? rcu_note_context_switch+0x710/0x710 [ 232.948108] __should_failslab+0x124/0x180 [ 232.952376] should_failslab+0x9/0x14 [ 232.956203] kmem_cache_alloc_trace+0x2cb/0x780 [ 232.960896] ? __kmalloc_node+0x33/0x70 [ 232.964894] ? __kmalloc_node+0x33/0x70 [ 232.968899] ? rcu_read_lock_sched_held+0x108/0x120 [ 232.973947] __memcg_init_list_lru_node+0x17d/0x2c0 2018/05/17 15:02:22 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000001c0)='io.bfq.weight\x00', 0x2, 0x0) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000300)='/dev/hwrng\x00', 0x4000, 0x0) r3 = inotify_add_watch(0xffffffffffffffff, &(0x7f0000000340)='./file0\x00', 0x889) inotify_rm_watch(r2, r3) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000280)) r4 = accept(0xffffffffffffffff, &(0x7f0000000040)=@ax25, &(0x7f0000000100)=0x80) sendto$inet(r4, &(0x7f0000000140)="55e2b4e716f7507b395eb0a0c7df", 0xe, 0x4, &(0x7f0000000180)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) openat$cgroup_ro(r0, &(0x7f00000002c0)='cpuacct.usage_sys\x00', 0x0, 0x0) [ 232.978989] ? kvfree_rcu+0x20/0x20 [ 232.982647] ? __kmalloc_node+0x47/0x70 [ 232.986657] __list_lru_init+0x456/0x790 [ 232.990749] ? list_lru_destroy+0x4c0/0x4c0 [ 232.995092] ? mark_held_locks+0xc9/0x160 [ 232.999270] ? __raw_spin_lock_init+0x1c/0x100 [ 233.003916] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 233.008963] ? lockdep_init_map+0x9/0x10 [ 233.013064] sget_userns+0x767/0xf00 [ 233.016803] ? get_anon_bdev+0x2f0/0x2f0 [ 233.020902] ? destroy_unused_super.part.11+0x110/0x110 [ 233.026283] ? __alloc_pages_nodemask+0xacf/0xd70 [ 233.031169] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 233.036215] ? kasan_check_read+0x11/0x20 [ 233.040394] ? cap_capable+0x1f9/0x260 [ 233.044313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.049871] ? security_capable+0x99/0xc0 [ 233.054048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.059606] ? ns_capable_common+0x13f/0x170 [ 233.064053] ? get_anon_bdev+0x2f0/0x2f0 [ 233.068177] sget+0x10b/0x150 [ 233.071312] ? fuse_get_root_inode+0x190/0x190 [ 233.075918] mount_nodev+0x33/0x110 2018/05/17 15:02:23 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x8, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 233.079569] fuse_mount+0x2c/0x40 [ 233.083053] mount_fs+0xae/0x328 [ 233.086447] vfs_kern_mount.part.34+0xd4/0x4d0 [ 233.091054] ? may_umount+0xb0/0xb0 [ 233.094704] ? _raw_read_unlock+0x22/0x30 [ 233.098890] ? __get_fs_type+0x97/0xc0 [ 233.102804] do_mount+0x564/0x3070 [ 233.106356] ? do_raw_spin_unlock+0x9e/0x2e0 [ 233.110795] ? copy_mount_string+0x40/0x40 [ 233.115052] ? rcu_pm_notify+0xc0/0xc0 [ 233.118971] ? copy_mount_options+0x5f/0x380 [ 233.123407] ? rcu_read_lock_sched_held+0x108/0x120 2018/05/17 15:02:23 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x2}, 0x20) 2018/05/17 15:02:23 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x10001, 0x4}, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) [ 233.128460] ? kmem_cache_alloc_trace+0x616/0x780 [ 233.133353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.138922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.144481] ? copy_mount_options+0x285/0x380 [ 233.149015] ksys_mount+0x12d/0x140 [ 233.152667] __x64_sys_mount+0xbe/0x150 [ 233.156670] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 233.161709] do_syscall_64+0x1b1/0x800 [ 233.165612] ? finish_task_switch+0x1ca/0x840 [ 233.170138] ? syscall_return_slowpath+0x5c0/0x5c0 [ 233.175098] ? syscall_return_slowpath+0x30f/0x5c0 [ 233.180066] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 233.185457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.190336] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 233.195539] RIP: 0033:0x455a09 [ 233.198741] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 233.206473] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 233.213760] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 233.221043] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 233.228326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 233.235960] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:23 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={0xffffffffffffffff, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:23 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000000c0)="6370757365742e63707573925c1e566f353a00", 0x2, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:23 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000005f40)=[{{&(0x7f0000000040)=@hci, 0x80, &(0x7f00000014c0)=[{&(0x7f0000000100)=""/105, 0x69}, {&(0x7f0000000300)=""/147, 0x93}, {&(0x7f0000000180)=""/69, 0x45}, {&(0x7f00000003c0)=""/149, 0x95}, {&(0x7f0000000480)=""/4096, 0x1000}, {&(0x7f0000000280)=""/4, 0x4}], 0x6, 0x0, 0x0, 0x8}, 0x80}, {{&(0x7f0000001540)=@pppol2tpv3, 0x80, &(0x7f00000017c0)=[{&(0x7f00000015c0)=""/49, 0x31}, {&(0x7f0000001600)=""/133, 0x85}, {&(0x7f00000016c0)=""/213, 0xd5}], 0x3, &(0x7f0000001800)=""/251, 0xfb, 0x80}, 0x1692}, {{&(0x7f0000001900)=@ethernet={0x0, @broadcast}, 0x80, &(0x7f0000001dc0)=[{&(0x7f0000001980)=""/102, 0x66}, {&(0x7f0000001a00)=""/246, 0xf6}, {&(0x7f0000001b00)=""/246, 0xf6}, {&(0x7f0000001c00)=""/129, 0x81}, {&(0x7f0000001cc0)=""/156, 0x9c}, {&(0x7f0000001d80)=""/14, 0xe}], 0x6, &(0x7f0000001e40)=""/172, 0xac, 0xffffffffffffffff}, 0x5}, {{&(0x7f0000001f00)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast1}}}, 0x80, &(0x7f0000002140)=[{&(0x7f0000001f80)=""/107, 0x6b}, {&(0x7f0000002000)=""/119, 0x77}, {&(0x7f0000002080)=""/176, 0xb0}], 0x3, &(0x7f0000002180)=""/181, 0xb5, 0x80000000}}, {{0x0, 0x0, &(0x7f0000004640)=[{&(0x7f0000002240)=""/4096, 0x1000}, {&(0x7f0000003240)=""/14, 0xe}, {&(0x7f0000003280)=""/213, 0xd5}, {&(0x7f0000003380)=""/83, 0x53}, {&(0x7f0000003400)=""/50, 0x32}, {&(0x7f0000003440)=""/239, 0xef}, {&(0x7f0000003540)=""/63, 0x3f}, {&(0x7f0000003580)=""/4096, 0x1000}, {&(0x7f0000004580)=""/153, 0x99}], 0x9, &(0x7f0000004700)=""/190, 0xbe, 0x10001}, 0x4}, {{&(0x7f00000047c0)=@pppol2tp, 0x80, &(0x7f0000005dc0)=[{&(0x7f0000004840)=""/181, 0xb5}, {&(0x7f0000004900)=""/84, 0x54}, {&(0x7f0000004980)=""/109, 0x6d}, {&(0x7f0000004a00)=""/179, 0xb3}, {&(0x7f0000004ac0)=""/40, 0x28}, {&(0x7f0000004b00)=""/73, 0x49}, {&(0x7f0000004b80)=""/158, 0x9e}, {&(0x7f0000004c40)=""/241, 0xf1}, {&(0x7f0000004d40)=""/106, 0x6a}, {&(0x7f0000004dc0)=""/4096, 0x1000}], 0xa, &(0x7f0000005e80)=""/175, 0xaf}, 0x487}], 0x6, 0x40, 0x0) setsockopt$bt_BT_DEFER_SETUP(r1, 0x112, 0x7, &(0x7f00000060c0)=0xfffffffffffffff9, 0x4) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:23 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:23 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x5}, 0x20) 2018/05/17 15:02:23 executing program 0 (fault-call:2 fault-nth:37): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:23 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) fremovexattr(r1, &(0x7f0000000040)=@random={'os2.', '\x00'}) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:23 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0xa, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 233.373664] FAT-fs (loop0): bogus number of reserved sectors [ 233.379609] FAT-fs (loop0): Can't find a valid FAT filesystem [ 233.433506] FAULT_INJECTION: forcing a failure. [ 233.433506] name failslab, interval 1, probability 0, space 0, times 0 [ 233.445148] CPU: 1 PID: 17741 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 233.452446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.461818] Call Trace: [ 233.464430] dump_stack+0x1b9/0x294 [ 233.468094] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.473309] ? perf_trace_lock_acquire+0xe3/0x980 [ 233.478194] should_fail.cold.4+0xa/0x1a 2018/05/17 15:02:23 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) link(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='./file0\x00') r2 = syz_open_dev$vcsa(&(0x7f0000000140)='/dev/vcsa#\x00', 0x7f, 0x40000) listen(r2, 0xffff) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) ioctl$UFFDIO_COPY(r1, 0xc028aa03, &(0x7f0000000100)={&(0x7f0000ffd000/0x3000)=nil, 0x3000}) 2018/05/17 15:02:23 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x200000000000000}, 0x20) 2018/05/17 15:02:23 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 233.482281] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.487416] ? print_usage_bug+0xc0/0xc0 [ 233.491500] ? print_usage_bug+0xc0/0xc0 [ 233.495578] ? graph_lock+0x170/0x170 [ 233.499411] ? find_held_lock+0x36/0x1c0 [ 233.503503] ? __lock_is_held+0xb5/0x140 [ 233.507613] ? check_same_owner+0x320/0x320 [ 233.511952] ? lockdep_init_map+0x9/0x10 [ 233.516033] ? rcu_note_context_switch+0x710/0x710 [ 233.520982] ? kasan_check_write+0x14/0x20 [ 233.525242] ? __init_rwsem+0x1c4/0x290 [ 233.529251] __should_failslab+0x124/0x180 2018/05/17 15:02:23 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:23 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x4, &(0x7f00000000c0)={0xffffffffffffffff, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:23 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000440)='./cgroup.net/syz1\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r3 = getpid() perf_event_open(&(0x7f0000000140)={0x5, 0x70, 0xfffffffffffff44a, 0x3, 0x2, 0x5, 0x0, 0x6, 0x0, 0x3, 0x3, 0xfac, 0xaf5, 0x0, 0x1, 0x80, 0x6, 0x7bf, 0x29, 0x401, 0x9, 0xf9db, 0x81, 0x2, 0x0, 0xffffffffffffffc0, 0x8, 0x7, 0xaa9d, 0x6, 0xc00000000000, 0x400, 0x9, 0xa86, 0x4, 0xb7, 0x7ff, 0x0, 0x0, 0x81, 0x5, @perf_bp={&(0x7f0000000100), 0x4}, 0x200, 0x8, 0x9, 0x6, 0x101, 0x8, 0x7}, r3, 0xd, r0, 0xb) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r4 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0xfffffffffffffffc, 0x101) setsockopt$inet_mreqsrc(r4, 0x0, 0x26, &(0x7f0000000080)={@remote={0xac, 0x14, 0x14, 0xbb}, @remote={0xac, 0x14, 0x14, 0xbb}, @dev={0xac, 0x14, 0x14, 0xa}}, 0xc) getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x10, &(0x7f0000000300)={{{@in6=@ipv4={[], [], @local}, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in=@broadcast}}, &(0x7f00000001c0)=0xe8) setsockopt$inet_pktinfo(r4, 0x0, 0x8, &(0x7f0000000280)={r5, @broadcast=0xffffffff, @rand_addr=0x7}, 0xc) [ 233.533520] should_failslab+0x9/0x14 [ 233.537344] __kmalloc+0x2c8/0x760 [ 233.540913] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 233.545960] ? prealloc_shrinker+0xcf/0x130 [ 233.550313] prealloc_shrinker+0xcf/0x130 [ 233.554493] sget_userns+0x9b2/0xf00 [ 233.558224] ? get_anon_bdev+0x2f0/0x2f0 [ 233.562324] ? destroy_unused_super.part.11+0x110/0x110 [ 233.567714] ? __alloc_pages_nodemask+0xacf/0xd70 [ 233.572594] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 233.577642] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 233.582696] ? cap_capable+0x1f9/0x260 [ 233.586626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.592188] ? security_capable+0x99/0xc0 [ 233.596367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.601926] ? ns_capable_common+0x13f/0x170 [ 233.606362] ? get_anon_bdev+0x2f0/0x2f0 [ 233.610444] sget+0x10b/0x150 [ 233.613578] ? fuse_get_root_inode+0x190/0x190 [ 233.618184] mount_nodev+0x33/0x110 [ 233.621840] fuse_mount+0x2c/0x40 [ 233.625318] mount_fs+0xae/0x328 [ 233.628717] vfs_kern_mount.part.34+0xd4/0x4d0 [ 233.633337] ? may_umount+0xb0/0xb0 [ 233.636988] ? _raw_read_unlock+0x22/0x30 [ 233.641148] ? __get_fs_type+0x97/0xc0 [ 233.645078] do_mount+0x564/0x3070 [ 233.648653] ? copy_mount_string+0x40/0x40 [ 233.652913] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.657698] ? retint_kernel+0x10/0x10 [ 233.661624] ? copy_mount_options+0x213/0x380 [ 233.666135] ? copy_mount_options+0x1a1/0x380 [ 233.670651] ? __sanitizer_cov_trace_pc+0x2b/0x50 [ 233.675516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 2018/05/17 15:02:23 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(r0, 0x4008240b, &(0x7f00000000c0)={0x0, 0x70, 0x80, 0x2, 0xec, 0x7, 0x0, 0x6, 0x80000, 0x4, 0x8, 0xfff, 0x2, 0x3, 0x3, 0x1, 0x2, 0xfffffffffffffffa, 0x1, 0x8942, 0x7f, 0x9, 0x3f, 0x101, 0x7fffffff, 0xb69, 0x100000001, 0x5, 0xf9, 0x2ab5, 0x3, 0x9c7, 0x4, 0x1, 0x1, 0x1, 0x7ff, 0x2, 0x0, 0x8, 0x1, @perf_config_ext={0x1, 0x6}, 0x40, 0x0, 0x7, 0x4, 0x3, 0x1, 0x3}) dup3(r0, r2, 0x0) [ 233.681082] ? copy_mount_options+0x285/0x380 [ 233.685609] ksys_mount+0x12d/0x140 [ 233.689278] __x64_sys_mount+0xbe/0x150 [ 233.693280] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 233.698321] do_syscall_64+0x1b1/0x800 [ 233.702225] ? finish_task_switch+0x1ca/0x840 [ 233.706750] ? syscall_return_slowpath+0x5c0/0x5c0 [ 233.711705] ? syscall_return_slowpath+0x30f/0x5c0 [ 233.716669] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 233.722082] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.726962] entry_SYSCALL_64_after_hwframe+0x49/0xbe 2018/05/17 15:02:23 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0xd803000000000000}, 0x20) 2018/05/17 15:02:23 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000000000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={r0, 0x1, 0x1, 0x8, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x7}, 0x20) getsockopt$inet_sctp6_SCTP_PR_STREAM_STATUS(r1, 0x84, 0x74, &(0x7f0000000100)=""/75, &(0x7f0000000180)=0x4b) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) [ 233.732165] RIP: 0033:0x455a09 [ 233.735365] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 233.743103] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 233.750389] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 233.757682] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 233.764971] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 233.772260] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:23 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:23 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:23 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) ioctl$int_in(0xffffffffffffffff, 0x5421, &(0x7f0000000100)=0xff) r1 = dup(0xffffffffffffffff) setsockopt$inet6_tcp_int(r1, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r1, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r2, 0xc) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(0xffffffffffffffff, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(0xffffffffffffffff, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r3 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x7fff) sendfile(r1, r3, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:23 executing program 1: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000180)='/dev/snapshot\x00', 0x602000, 0x0) fstatfs(r0, &(0x7f00000001c0)=""/4) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) ioctl$ION_IOC_HEAP_QUERY(r0, 0xc0184908, &(0x7f0000000300)={0x7, 0x0, 0x1, r0}) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r3 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x7, 0x420b40) accept4$netrom(r3, &(0x7f0000000100)=@full, &(0x7f0000000080)=0x48, 0x80000) mkdirat$cgroup(r0, &(0x7f0000000280)='syz0\x00', 0x1ff) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:23 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$getownex(r0, 0x10, &(0x7f00000001c0)) r1 = fcntl$getown(r0, 0x9) r2 = getpgid(r1) perf_event_open(&(0x7f0000000140)={0x7, 0x70, 0x1, 0x5, 0x3, 0x3, 0x0, 0xe0, 0x81000, 0x2, 0x7, 0xfffffffffffffbff, 0x2, 0x0, 0x6, 0xffffffffffffff9f, 0xfffffffffffffffc, 0xc51a, 0x86bb, 0xeb, 0xfffffffffffffff8, 0x7fff, 0xffffffff, 0x3d, 0x3, 0xbb8, 0x4ce, 0x0, 0x100, 0x29700, 0x5, 0x9, 0x81, 0x1, 0xfffffffffffffff9, 0x3, 0x40, 0x4aa5, 0x0, 0x6f, 0x1, @perf_bp={&(0x7f0000000100), 0x8}, 0x8000, 0x6, 0x0, 0x0, 0x6, 0x861, 0x8001}, r2, 0xe, r0, 0x2) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r4 = openat$cgroup_int(r3, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r5 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0x24000, 0x2000) ioctl$SIOCSIFMTU(r5, 0x8922, &(0x7f00000000c0)={'bond_slave_1\x00', 0x5}) dup3(r0, r4, 0x0) 2018/05/17 15:02:23 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = memfd_create(&(0x7f0000000080)='cpuset.cpu_exclusive\x00', 0x3) getsockopt$sock_buf(r1, 0x1, 0x37, &(0x7f0000000100)=""/99, &(0x7f0000000180)=0x63) r2 = openat$cgroup_int(r0, &(0x7f0000000280)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:23 executing program 0 (fault-call:2 fault-nth:38): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:23 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x2000000}, 0x20) 2018/05/17 15:02:23 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = shmget$private(0x0, 0x2000, 0x54000a20, &(0x7f0000ffe000/0x2000)=nil) shmctl$SHM_LOCK(r3, 0xb) dup3(r0, r2, 0x0) [ 233.997362] FAT-fs (loop0): bogus number of reserved sectors [ 234.003295] FAT-fs (loop0): Can't find a valid FAT filesystem [ 234.040920] FAULT_INJECTION: forcing a failure. [ 234.040920] name failslab, interval 1, probability 0, space 0, times 0 [ 234.052496] CPU: 1 PID: 17810 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 234.059794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.069166] Call Trace: [ 234.071782] dump_stack+0x1b9/0x294 [ 234.075444] ? dump_stack_print_info.cold.2+0x52/0x52 [ 234.080658] ? perf_trace_lock_acquire+0xe3/0x980 [ 234.085574] should_fail.cold.4+0xa/0x1a 2018/05/17 15:02:24 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$void(r0, 0xc0045878) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) rt_sigaction(0x1c, &(0x7f0000000080)={0xfffffffffffffffb, {0x3ff}, 0x58000001, 0x5}, &(0x7f0000000100), 0x8, &(0x7f0000000140)) geteuid() r2 = openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x0, 0x0) accept4$alg(r2, 0x0, 0x0, 0x800) r3 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) ioctl$TIOCLINUX4(r2, 0x541c, &(0x7f0000000180)=0x4) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:24 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x5000000}, 0x20) 2018/05/17 15:02:24 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 234.089666] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.094794] ? print_usage_bug+0xc0/0xc0 [ 234.098877] ? print_usage_bug+0xc0/0xc0 [ 234.102954] ? graph_lock+0x170/0x170 [ 234.106788] ? find_held_lock+0x36/0x1c0 [ 234.110884] ? __lock_is_held+0xb5/0x140 [ 234.114974] ? ci_dpm_enable+0x7c50/0x10770 [ 234.119345] ? check_same_owner+0x320/0x320 [ 234.123685] ? lockdep_init_map+0x9/0x10 [ 234.127771] ? rcu_note_context_switch+0x710/0x710 [ 234.132719] ? kasan_check_write+0x14/0x20 [ 234.136976] ? __init_rwsem+0x1c4/0x290 2018/05/17 15:02:24 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:24 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$mouse(&(0x7f0000000100)='/dev/input/mouse#\x00', 0xe3e5, 0x2) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000140)="e2a431d262caee953f53e71fc11d924c7b19dc6d8ef38d597086f41140ad10bc5585b7bb93032fea09e0825cb1d3ba6814bbe756091c098ee3ce0b598532a7b94a636c3d36790d2d9ec0f3b2a055930521a78154858d33bc34a5197483b7faa9f262426b7c", 0x65) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.net/syz1\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000001c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) ioctl$TUNSETSTEERINGEBPF(r0, 0x800454e0, &(0x7f0000000300)=r0) pwritev(r1, &(0x7f0000000080)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) ustat(0xf0b2, &(0x7f0000000280)) [ 234.140987] __should_failslab+0x124/0x180 [ 234.145287] should_failslab+0x9/0x14 [ 234.149111] __kmalloc+0x2c8/0x760 [ 234.152674] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 234.157722] ? prealloc_shrinker+0xcf/0x130 [ 234.162083] prealloc_shrinker+0xcf/0x130 [ 234.166255] sget_userns+0x9b2/0xf00 [ 234.169988] ? get_anon_bdev+0x2f0/0x2f0 [ 234.174092] ? destroy_unused_super.part.11+0x110/0x110 [ 234.179481] ? __alloc_pages_nodemask+0xacf/0xd70 [ 234.184356] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 234.189398] ? kasan_check_read+0x11/0x20 [ 234.193572] ? cap_capable+0x1f9/0x260 [ 234.197495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.203114] ? security_capable+0x99/0xc0 [ 234.207286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.212825] ? ns_capable_common+0x13f/0x170 [ 234.217238] ? get_anon_bdev+0x2f0/0x2f0 [ 234.221307] sget+0x10b/0x150 [ 234.224414] ? fuse_get_root_inode+0x190/0x190 [ 234.229007] mount_nodev+0x33/0x110 [ 234.232649] fuse_mount+0x2c/0x40 [ 234.236101] mount_fs+0xae/0x328 [ 234.239474] vfs_kern_mount.part.34+0xd4/0x4d0 [ 234.244065] ? may_umount+0xb0/0xb0 [ 234.247692] ? _raw_read_unlock+0x22/0x30 [ 234.251835] ? __get_fs_type+0x97/0xc0 [ 234.255729] do_mount+0x564/0x3070 [ 234.259266] ? do_raw_spin_unlock+0x9e/0x2e0 [ 234.263678] ? copy_mount_string+0x40/0x40 [ 234.267910] ? rcu_pm_notify+0xc0/0xc0 [ 234.271812] ? copy_mount_options+0x5f/0x380 [ 234.276217] ? rcu_read_lock_sched_held+0x108/0x120 [ 234.281231] ? kmem_cache_alloc_trace+0x616/0x780 [ 234.286076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.291619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.297150] ? copy_mount_options+0x285/0x380 [ 234.301650] ksys_mount+0x12d/0x140 [ 234.305292] __x64_sys_mount+0xbe/0x150 [ 234.309260] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 234.314280] do_syscall_64+0x1b1/0x800 [ 234.318162] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 234.323004] ? syscall_return_slowpath+0x5c0/0x5c0 [ 234.327943] ? syscall_return_slowpath+0x30f/0x5c0 [ 234.332880] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 234.338249] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.343102] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 234.348299] RIP: 0033:0x455a09 [ 234.351492] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 234.359204] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 234.366465] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 234.373731] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 234.380992] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 234.388264] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:24 executing program 0 (fault-call:2 fault-nth:39): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:24 executing program 6: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) modify_ldt$read_default(0x2, &(0x7f00000017c0)=""/4096, 0x1000) recvmsg$kcm(0xffffffffffffff9c, &(0x7f00000016c0)={&(0x7f00000000c0)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast1}}}, 0x80, &(0x7f0000000640)=[{&(0x7f0000000140)=""/97, 0x61}, {&(0x7f0000000280)=""/203, 0xcb}, {&(0x7f0000000380)=""/168, 0xa8}, {&(0x7f0000000040)=""/58, 0x3a}, {&(0x7f0000000440)=""/79, 0x4f}, {&(0x7f00000001c0)=""/22, 0x16}, {&(0x7f00000004c0)=""/232, 0xe8}, {&(0x7f00000005c0)=""/125, 0x7d}], 0x8, &(0x7f00000006c0)=""/4096, 0x1000, 0x3}, 0x0) accept$ax25(r1, &(0x7f0000001700), &(0x7f0000001740)=0x10) openat$cgroup_int(r0, &(0x7f0000001780)="637a7573ce776565161e5e80", 0x2, 0x0) dup3(r1, r0, 0x2) 2018/05/17 15:02:24 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) r0 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r0, 0x5421, &(0x7f0000000100)=0xff) r1 = dup(r0) setsockopt$inet6_tcp_int(r1, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r1, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r0, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r2, 0xc) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r0, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r3 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x7fff) sendfile(r1, r3, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:24 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x48) 2018/05/17 15:02:24 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) ioctl$ASHMEM_GET_NAME(r1, 0x81007702, &(0x7f0000000040)=""/81) 2018/05/17 15:02:24 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 234.619192] FAT-fs (loop0): bogus number of reserved sectors [ 234.625280] FAT-fs (loop0): Can't find a valid FAT filesystem [ 234.712655] FAULT_INJECTION: forcing a failure. [ 234.712655] name failslab, interval 1, probability 0, space 0, times 0 [ 234.724116] CPU: 1 PID: 17859 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 234.731411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.740784] Call Trace: [ 234.743402] dump_stack+0x1b9/0x294 [ 234.747064] ? dump_stack_print_info.cold.2+0x52/0x52 [ 234.752273] ? perf_trace_lock_acquire+0xe3/0x980 [ 234.757159] should_fail.cold.4+0xa/0x1a [ 234.761251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.767276] ? graph_lock+0x170/0x170 [ 234.771114] ? graph_lock+0x170/0x170 [ 234.774940] ? graph_lock+0x170/0x170 [ 234.779385] ? find_held_lock+0x36/0x1c0 [ 234.783471] ? __lock_is_held+0xb5/0x140 [ 234.787555] ? check_same_owner+0x320/0x320 [ 234.791880] ? rcu_note_context_switch+0x710/0x710 [ 234.796815] __should_failslab+0x124/0x180 [ 234.801057] should_failslab+0x9/0x14 [ 234.804867] __kmalloc+0x2c8/0x760 [ 234.808400] ? up_read+0x110/0x110 [ 234.811939] ? down_read+0x1b0/0x1b0 [ 234.815675] ? match_number.isra.0+0xb6/0x260 [ 234.820177] match_number.isra.0+0xb6/0x260 [ 234.824503] ? match_strdup+0xa0/0xa0 [ 234.828318] ? match_wildcard+0x3c0/0x3c0 [ 234.832476] match_int+0x23/0x30 [ 234.835847] fuse_fill_super+0x812/0x1e20 [ 234.840012] ? fuse_get_root_inode+0x190/0x190 [ 234.844602] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 234.849622] ? kasan_check_read+0x11/0x20 [ 234.853775] ? cap_capable+0x1f9/0x260 [ 234.857670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.863206] ? security_capable+0x99/0xc0 [ 234.867355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.872890] ? ns_capable_common+0x13f/0x170 [ 234.877304] ? get_anon_bdev+0x2f0/0x2f0 [ 234.881361] ? sget+0x113/0x150 [ 234.884644] ? fuse_get_root_inode+0x190/0x190 [ 234.889223] mount_nodev+0x6b/0x110 [ 234.892851] fuse_mount+0x2c/0x40 [ 234.896308] mount_fs+0xae/0x328 [ 234.899687] vfs_kern_mount.part.34+0xd4/0x4d0 [ 234.904277] ? may_umount+0xb0/0xb0 [ 234.907906] ? _raw_read_unlock+0x22/0x30 [ 234.912055] ? __get_fs_type+0x97/0xc0 [ 234.915949] do_mount+0x564/0x3070 [ 234.919494] ? do_raw_spin_unlock+0x9e/0x2e0 [ 234.923907] ? copy_mount_string+0x40/0x40 [ 234.928141] ? rcu_pm_notify+0xc0/0xc0 [ 234.932052] ? copy_mount_options+0x5f/0x380 [ 234.936461] ? rcu_read_lock_sched_held+0x108/0x120 [ 234.941836] ? kmem_cache_alloc_trace+0x616/0x780 [ 234.946683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.952226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.957762] ? copy_mount_options+0x285/0x380 [ 234.962266] ksys_mount+0x12d/0x140 [ 234.965897] __x64_sys_mount+0xbe/0x150 [ 234.969882] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 234.974900] do_syscall_64+0x1b1/0x800 [ 234.978782] ? finish_task_switch+0x1ca/0x840 [ 234.983279] ? syscall_return_slowpath+0x5c0/0x5c0 [ 234.988223] ? syscall_return_slowpath+0x30f/0x5c0 [ 234.993158] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 234.998527] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.003378] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 235.008566] RIP: 0033:0x455a09 [ 235.011761] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 235.019475] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 235.026738] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 235.034002] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 235.041273] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 235.048535] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:25 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x20, 0x20000) epoll_wait(r2, &(0x7f0000000100)=[{}, {}, {}, {}, {}, {}, {}], 0x7, 0xfffffffffffffffe) 2018/05/17 15:02:25 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:25 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)="637075d3e0b11e3ff1736587", 0x2, 0x0) socketpair$inet_sctp(0x2, 0x0, 0x84, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000140)={0x3, 0x5, 0x2, 0x62c, 0x0, 0x2, 0x9, 0x1000, r4}, &(0x7f0000000180)=0x20) dup3(r0, r2, 0x0) 2018/05/17 15:02:25 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x200000e0) 2018/05/17 15:02:25 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:25 executing program 2: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse\x00', 0x26000, 0x0) setsockopt$SO_RDS_MSG_RXPATH_LATENCY(r0, 0x114, 0xa, &(0x7f0000000080)={0x2, "e4be"}, 0x3) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:25 executing program 0 (fault-call:2 fault-nth:40): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:25 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r0 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r0, 0x5421, &(0x7f0000000100)=0xff) r1 = dup(r0) setsockopt$inet6_tcp_int(r1, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r1, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r0, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r2, 0xc) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r0, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r3 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x7fff) sendfile(r1, r3, &(0x7f0000d83ff8), 0x8000fffffffe) [ 235.153838] FAT-fs (loop0): bogus number of reserved sectors [ 235.159815] FAT-fs (loop0): Can't find a valid FAT filesystem [ 235.195279] FAULT_INJECTION: forcing a failure. [ 235.195279] name failslab, interval 1, probability 0, space 0, times 0 [ 235.206619] CPU: 1 PID: 17890 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 235.213915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.223291] Call Trace: [ 235.225906] dump_stack+0x1b9/0x294 [ 235.229567] ? dump_stack_print_info.cold.2+0x52/0x52 [ 235.234781] ? perf_trace_lock_acquire+0xe3/0x980 [ 235.239663] should_fail.cold.4+0xa/0x1a [ 235.243754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.248892] ? graph_lock+0x170/0x170 [ 235.252728] ? find_held_lock+0x36/0x1c0 [ 235.256819] ? __lock_is_held+0xb5/0x140 [ 235.260929] ? check_same_owner+0x320/0x320 [ 235.265271] ? trace_hardirqs_off+0xd/0x10 [ 235.269524] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 235.274650] ? rcu_note_context_switch+0x710/0x710 [ 235.279606] ? debug_check_no_obj_freed+0x2ff/0x584 [ 235.284663] __should_failslab+0x124/0x180 [ 235.288935] should_failslab+0x9/0x14 2018/05/17 15:02:25 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 235.292783] __kmalloc+0x2c8/0x760 [ 235.296365] ? match_strdup+0x5e/0xa0 [ 235.300206] match_strdup+0x5e/0xa0 [ 235.303863] fuse_match_uint+0x1a/0x60 [ 235.307785] fuse_fill_super+0x455/0x1e20 [ 235.311979] ? fuse_get_root_inode+0x190/0x190 [ 235.316593] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 235.321642] ? kasan_check_read+0x11/0x20 [ 235.325825] ? cap_capable+0x1f9/0x260 [ 235.329752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.335318] ? security_capable+0x99/0xc0 [ 235.339503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.345064] ? ns_capable_common+0x13f/0x170 [ 235.349500] ? get_anon_bdev+0x2f0/0x2f0 [ 235.353582] ? sget+0x113/0x150 [ 235.356888] ? fuse_get_root_inode+0x190/0x190 [ 235.361502] mount_nodev+0x6b/0x110 [ 235.365157] fuse_mount+0x2c/0x40 [ 235.368642] mount_fs+0xae/0x328 [ 235.372064] vfs_kern_mount.part.34+0xd4/0x4d0 [ 235.376673] ? may_umount+0xb0/0xb0 [ 235.380323] ? _raw_read_unlock+0x22/0x30 [ 235.384493] ? __get_fs_type+0x97/0xc0 [ 235.388417] do_mount+0x564/0x3070 [ 235.391991] ? copy_mount_string+0x40/0x40 [ 235.396329] ? rcu_pm_notify+0xc0/0xc0 [ 235.400279] ? copy_mount_options+0x5f/0x380 [ 235.404704] ? rcu_read_lock_sched_held+0x108/0x120 [ 235.409741] ? kmem_cache_alloc_trace+0x616/0x780 [ 235.414627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.420184] ? copy_mount_options+0x285/0x380 [ 235.424713] ksys_mount+0x12d/0x140 [ 235.428369] __x64_sys_mount+0xbe/0x150 [ 235.432357] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 235.437396] do_syscall_64+0x1b1/0x800 [ 235.441303] ? finish_task_switch+0x1ca/0x840 [ 235.445823] ? syscall_return_slowpath+0x5c0/0x5c0 [ 235.450774] ? syscall_return_slowpath+0x30f/0x5c0 [ 235.455737] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 235.461131] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.466011] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 235.471216] RIP: 0033:0x455a09 [ 235.474417] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 235.482147] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 235.489432] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 235.496708] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 235.503976] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 235.511245] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:25 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) set_mempolicy(0x3, &(0x7f0000000040)=0x4, 0x7) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x40000, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(r3, 0xc0405519, &(0x7f00000000c0)={0x84, 0x1, 0x100000000, 0x4, "c8fc6f4a3e010f7c357cd2c1db96e9efc2d4f3c361ee54b7bba56bf31fc476689e57448e14243d8cec14ac5f", 0x2}) fcntl$setlease(r0, 0x400, 0x2) pwritev(r2, &(0x7f0000001480), 0x0, 0x0) 2018/05/17 15:02:25 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={0xffffffffffffffff, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:25 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:25 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpuacct.usage\x00', 0x2, 0x0) ftruncate(r1, 0xfffffffffffffeac) pselect6(0x40, &(0x7f0000000180)={0x401, 0x6, 0x8, 0x9, 0x78e, 0xf8d, 0x20}, &(0x7f00000001c0)={0x9, 0xfffffffffffff74e, 0x8, 0x0, 0x6, 0x6, 0x5, 0x1}, &(0x7f0000000280)={0x7b63f7f2, 0x5, 0x2, 0x8001, 0x3, 0xffff, 0x8, 0x400}, &(0x7f00000002c0), &(0x7f0000000340)={&(0x7f0000000300)={0x10000}, 0x8}) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0x7ff, 0x410102) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000100)={0x0, 0x0, 0x7ff}) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f0000000140)={r3, 0x80000, r1}) ioctl$DRM_IOCTL_AGP_ENABLE(r2, 0x40086432, &(0x7f0000000380)=0x1) 2018/05/17 15:02:25 executing program 0 (fault-call:2 fault-nth:41): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:25 executing program 3: openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:25 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) r3 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$get_security(0x11, r3, &(0x7f0000000100)=""/212, 0xd4) 2018/05/17 15:02:25 executing program 7: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x101000, 0x0) getsockopt$inet6_tcp_buf(r0, 0x6, 0x1f, &(0x7f0000000100)=""/248, &(0x7f0000000280)=0xf8) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000380)={r1, &(0x7f00000002c0)="4fe282084a3b33760a463197c72980160697395917daa833243a0f3c6bd06567f1818a89dc208e4e715bdc2fd4769bae7ab9abf46bed719b3648e6dfd83c7e1e440678ed9c31637cd40aae8bdf817c3c5dd42eef7de3664324bee6a1d9dcb20f141efd7886c69f40809fc05aa34234ecc8a2c08460745840a13aa1", &(0x7f0000000340)="b621727b0b3261", 0x2}, 0x20) [ 235.596386] FAT-fs (loop0): bogus number of reserved sectors [ 235.602327] FAT-fs (loop0): Can't find a valid FAT filesystem [ 235.625460] FAULT_INJECTION: forcing a failure. [ 235.625460] name failslab, interval 1, probability 0, space 0, times 0 [ 235.636796] CPU: 1 PID: 17926 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 235.644089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.653462] Call Trace: [ 235.656072] dump_stack+0x1b9/0x294 [ 235.659735] ? dump_stack_print_info.cold.2+0x52/0x52 [ 235.664956] ? perf_trace_lock_acquire+0xe3/0x980 [ 235.669838] should_fail.cold.4+0xa/0x1a [ 235.673935] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.679074] ? graph_lock+0x170/0x170 [ 235.682929] ? lock_downgrade+0x8e0/0x8e0 [ 235.687108] ? find_held_lock+0x36/0x1c0 [ 235.691206] ? __lock_is_held+0xb5/0x140 2018/05/17 15:02:25 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:25 executing program 5: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:25 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) 2018/05/17 15:02:25 executing program 3: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 235.695318] ? check_same_owner+0x320/0x320 [ 235.699668] ? rcu_note_context_switch+0x710/0x710 [ 235.704631] __should_failslab+0x124/0x180 [ 235.708894] should_failslab+0x9/0x14 [ 235.712724] kmem_cache_alloc_trace+0x2cb/0x780 [ 235.717418] ? match_wildcard+0x3c0/0x3c0 [ 235.721590] ? trace_hardirqs_on+0xd/0x10 [ 235.725864] fuse_fill_super+0xc92/0x1e20 [ 235.730060] ? fuse_get_root_inode+0x190/0x190 [ 235.734679] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 235.739734] ? kasan_check_read+0x11/0x20 2018/05/17 15:02:25 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) getgid() r1 = syz_open_dev$amidi(&(0x7f0000000080)='/dev/amidi#\x00', 0xc8bc, 0x800) ioctl$sock_SIOCGIFCONF(r1, 0x8910, &(0x7f0000000280)=@buf={0xb9, &(0x7f0000000140)="ab703d96bab8ae68c037be765dc89e67901415b8757de5e64a5c08c06f6f4864861efdaeb3e680c9fd3314600081ee835089bfccda2dc070d50bd2bee524a74bde40e2871cf799684aede49dccf6390031562ed1700379d6972dbdac2ceb81a489c99951c5bf6fff9613fdd0c45ed4be1bbf92674915df38203e040ba2e4e4207c3effdaf14e783d1fc6263dba0ea22b50adfed4a65dab4c2311f911c6ed1f6146de0288a5469fc2d9e257fc78485e8dadcaeefacf7d57a259"}) ioctl$DRM_IOCTL_AGP_RELEASE(r1, 0x6431) ioctl$TIOCLINUX5(r1, 0x541c, &(0x7f0000000100)={0x5, 0x100, 0x9c7, 0xc3, 0x9}) 2018/05/17 15:02:25 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x1, 0x0) ioctl$ASHMEM_GET_PROT_MASK(r1, 0x7706, &(0x7f0000000080)) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) exit_group(0x81) pwritev(r0, &(0x7f0000002600)=[{&(0x7f0000000100)="53212c4c3671c52d7462ffa0ab322af287cc54d42e659559e79f6908f9ef93"}, {&(0x7f0000000300)="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{&(0x7f0000000140)}, {&(0x7f0000000180)="7b68b44dc53ce017792c737ea98e5c36de03acc7c88037d181ab4bd5a447a1053b9fab898b7c29cf5e5c31843049c570956b4ea5c254a1ad2686e7c1a1dadfb49f1619"}, {&(0x7f0000001300)="36168474435dbb8737345490a2cebf354bfc9df7f3a14e726535b16c011408ebf1088f7452ce90108e898992cb49fcafc5a1f08db1feafcac2b34a0a0afc60122ae635e2a778f27dc9bea5f12b4184cc3593ba0ca5aadaf150a1f1102fc5a769595bd324e77f16e527bf46f3708eac4e2a5383eabab2bcb3f3440558df7b8cd95e00fbbeed7076c394dc12a5"}, {&(0x7f00000013c0)="098e07b7b5e94298f97db74d578f3c6682385118025cae36a58edadee52f38ded5d77fa59920a183adaf537c3d68cf7a5bd64d170cf6ee08f27b34350bad6e3365ca7da10814f99b9ac2b86600a1bc1fd74f16646ca7803fcbf9fbcdeef90199e44071eb8122703f8e11f2994294f79ca1aeed535831be85006f9fe4869f47ebe25644e8376b0c0fefb6b67072799f643a4879f7f00a94d8d9ace45743a5b57f68aa"}, {&(0x7f00000014c0)="c07cffee28e76204f1116270d7225a9067d3e3ea6538b80b1e575946d2facc1d93ac4166e5e999c2da58fcc5fd47d6a32e8a4be839a58938d858c5daf8567a0de9359222c47c1b0850dad5c271524eb71e11823a948a6678fc"}, {&(0x7f0000001540)="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"}, {&(0x7f0000002540)="784b2d04609306505c22af802b91720a88ab6d4c19c52b3e8afb49f4e49b5f12e853f0e47ef43b660a1004ba8bfce20669e214495f93ff75bc43412ceaa75ddaa4cb382d1d19b560e56007e50d468e997539549242bda8d22fe73fb08972c6a72a9d7191db7fd84501c2f78e29ff5db046382d2427ddca27a2dc20c3dd16b67b2addfebd2eac0f7ce430540bccfcac39"}], 0x2e8, 0x0) [ 235.743923] ? cap_capable+0x1f9/0x260 [ 235.747851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.753422] ? security_capable+0x99/0xc0 [ 235.757606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.763172] ? ns_capable_common+0x13f/0x170 [ 235.767615] ? get_anon_bdev+0x2f0/0x2f0 [ 235.771701] ? sget+0x113/0x150 [ 235.775014] ? fuse_get_root_inode+0x190/0x190 [ 235.779623] mount_nodev+0x6b/0x110 [ 235.783273] fuse_mount+0x2c/0x40 [ 235.786745] mount_fs+0xae/0x328 [ 235.790136] vfs_kern_mount.part.34+0xd4/0x4d0 [ 235.794745] ? may_umount+0xb0/0xb0 [ 235.798399] ? _raw_read_unlock+0x22/0x30 [ 235.802564] ? __get_fs_type+0x97/0xc0 [ 235.806484] do_mount+0x564/0x3070 [ 235.810057] ? copy_mount_string+0x40/0x40 [ 235.814310] ? rcu_pm_notify+0xc0/0xc0 [ 235.818239] ? copy_mount_options+0x5f/0x380 [ 235.822669] ? rcu_read_lock_sched_held+0x108/0x120 [ 235.827738] ? kmem_cache_alloc_trace+0x616/0x780 [ 235.832606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.838164] ? _copy_from_user+0xdf/0x150 [ 235.842339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.847898] ? copy_mount_options+0x285/0x380 [ 235.852431] ksys_mount+0x12d/0x140 [ 235.856080] __x64_sys_mount+0xbe/0x150 [ 235.860069] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 235.865113] do_syscall_64+0x1b1/0x800 [ 235.869019] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 235.873885] ? syscall_return_slowpath+0x5c0/0x5c0 [ 235.878839] ? syscall_return_slowpath+0x30f/0x5c0 [ 235.883798] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 235.889192] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/05/17 15:02:25 executing program 5: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:25 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:25 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000100)={'ip_vti0\x00', 0x2200}) setsockopt$nfc_llcp_NFC_LLCP_MIUX(r2, 0x118, 0x1, &(0x7f0000000080)=0x100000000, 0x4) r3 = socket$inet_tcp(0x2, 0x1, 0x0) r4 = socket(0x11, 0x800000003, 0x1) bind(r4, &(0x7f0000000280)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) ioctl$sock_inet_SIOCSIFFLAGS(r3, 0x8914, &(0x7f00000000c0)={'lo\x00@\x00', 0x101}) ioctl$sock_inet_SIOCSIFFLAGS(r3, 0x8914, &(0x7f0000000180)={'lo\x00'}) pwritev(r4, &(0x7f0000000140)=[{&(0x7f00000001c0)='\x00', 0x1}], 0x1, 0x0) ioctl$BLKIOMIN(r1, 0x1278, &(0x7f0000000040)) [ 235.894068] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 235.899270] RIP: 0033:0x455a09 [ 235.902470] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 235.910203] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 235.917488] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 235.924952] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 235.932241] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 235.939535] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 236.063917] device lo entered promiscuous mode [ 236.086929] device lo left promiscuous mode [ 236.123262] device lo entered promiscuous mode [ 236.132486] device lo left promiscuous mode 2018/05/17 15:02:26 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = syz_open_dev$dspn(&(0x7f0000000080)='/dev/dsp#\x00', 0x7, 0x10200) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000100)=0x0) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000180)=[{0x3, 0xffffffffffffffff}, {0x3, 0x1}], 0x2) ioctl$sock_SIOCSPGRP(r1, 0x8902, &(0x7f0000000140)=r2) 2018/05/17 15:02:26 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:26 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x5, 0x101000) openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r1, 0x80000) 2018/05/17 15:02:26 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:26 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x4, 0x208000) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r0, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:26 executing program 5: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:26 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/rt_acct\x00') setsockopt$netlink_NETLINK_RX_RING(r1, 0x10e, 0x6, &(0x7f0000000080)={0x7ff, 0xffff, 0x1, 0xffffffffffffff4f}, 0x10) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:26 executing program 0 (fault-call:2 fault-nth:42): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:26 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = dup3(r0, r2, 0x0) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r3, 0x111, 0x2, 0x0, 0x4) [ 236.213383] FAT-fs (loop0): bogus number of reserved sectors [ 236.219487] FAT-fs (loop0): Can't find a valid FAT filesystem [ 236.281511] FAULT_INJECTION: forcing a failure. [ 236.281511] name failslab, interval 1, probability 0, space 0, times 0 [ 236.292843] CPU: 1 PID: 17986 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 236.300141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.309512] Call Trace: [ 236.312136] dump_stack+0x1b9/0x294 [ 236.315793] ? dump_stack_print_info.cold.2+0x52/0x52 [ 236.321009] ? perf_trace_lock_acquire+0xe3/0x980 [ 236.325899] should_fail.cold.4+0xa/0x1a [ 236.329996] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.335144] ? graph_lock+0x170/0x170 [ 236.338972] ? lock_downgrade+0x8e0/0x8e0 [ 236.343152] ? find_held_lock+0x36/0x1c0 [ 236.347246] ? __lock_is_held+0xb5/0x140 [ 236.351369] ? check_same_owner+0x320/0x320 [ 236.355722] ? rcu_note_context_switch+0x710/0x710 [ 236.361292] __should_failslab+0x124/0x180 [ 236.365560] should_failslab+0x9/0x14 [ 236.369385] kmem_cache_alloc_trace+0x2cb/0x780 [ 236.374078] ? match_wildcard+0x3c0/0x3c0 [ 236.378249] ? trace_hardirqs_on+0xd/0x10 [ 236.382436] fuse_fill_super+0xc92/0x1e20 [ 236.386628] ? fuse_get_root_inode+0x190/0x190 [ 236.391239] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 236.396288] ? kasan_check_read+0x11/0x20 [ 236.400466] ? cap_capable+0x1f9/0x260 [ 236.404389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.409936] ? security_capable+0x99/0xc0 [ 236.414093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.419639] ? ns_capable_common+0x13f/0x170 [ 236.424055] ? get_anon_bdev+0x2f0/0x2f0 [ 236.428116] ? sget+0x113/0x150 [ 236.431404] ? fuse_get_root_inode+0x190/0x190 [ 236.435988] mount_nodev+0x6b/0x110 [ 236.439621] fuse_mount+0x2c/0x40 [ 236.443076] mount_fs+0xae/0x328 [ 236.446448] vfs_kern_mount.part.34+0xd4/0x4d0 [ 236.451048] ? may_umount+0xb0/0xb0 [ 236.454673] ? _raw_read_unlock+0x22/0x30 [ 236.458816] ? __get_fs_type+0x97/0xc0 [ 236.462713] do_mount+0x564/0x3070 [ 236.466346] ? copy_mount_string+0x40/0x40 [ 236.470579] ? rcu_pm_notify+0xc0/0xc0 [ 236.474476] ? copy_mount_options+0x5f/0x380 [ 236.478897] ? rcu_read_lock_sched_held+0x108/0x120 [ 236.483911] ? kmem_cache_alloc_trace+0x616/0x780 [ 236.488767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.494299] ? copy_mount_options+0x285/0x380 [ 236.498798] ksys_mount+0x12d/0x140 [ 236.502444] __x64_sys_mount+0xbe/0x150 [ 236.506416] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 236.511436] do_syscall_64+0x1b1/0x800 [ 236.515337] ? finish_task_switch+0x1ca/0x840 [ 236.519834] ? syscall_return_slowpath+0x5c0/0x5c0 [ 236.524773] ? syscall_return_slowpath+0x30f/0x5c0 [ 236.529711] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 236.535094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.539946] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 236.545133] RIP: 0033:0x455a09 [ 236.548320] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 236.556039] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 236.563302] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 236.570566] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 2018/05/17 15:02:26 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) msgget(0x3, 0x90) 2018/05/17 15:02:26 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0) ioctl$EVIOCGRAB(r1, 0x40044590, &(0x7f00000001c0)=0xffffffff) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x100, 0x0) ioctl$BLKSECDISCARD(r2, 0x127d, &(0x7f0000000100)=0x1) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vhost-vsock\x00', 0x2, 0x0) 2018/05/17 15:02:26 executing program 5: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:26 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$audion(&(0x7f0000000100)='/dev/audio#\x00', 0x3, 0x20000) openat$cgroup_ro(r0, &(0x7f0000000080)='cgroup.stat\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000000140)={0x6, [0x7, 0x1, 0x9, 0x94d, 0x7f, 0xfffffffffffffffb]}, &(0x7f0000000180)=0x10) r1 = openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000440)="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", 0x2, 0x0) write$cgroup_int(r0, &(0x7f0000000040)={[0x36, 0x3f]}, 0x2) setsockopt$inet6_MRT6_DEL_MFC(r0, 0x29, 0xcd, &(0x7f0000000280)={{0xa, 0x4e22, 0x400, @mcast2={0xff, 0x2, [], 0x1}, 0xfffffffffffffffe}, {0xa, 0x4e21, 0xf687, @loopback={0x0, 0x1}, 0x1f8}, 0x100000001, [0x19efb61d, 0x400, 0x0, 0xe0, 0xffffffffffffff00, 0x6, 0x28000000, 0x1]}, 0x5c) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:26 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:26 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x0, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:26 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x103002, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000000140)={0x1, [0x0]}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r3, 0x84, 0x13, &(0x7f00000001c0)={r4, 0x73b82524}, &(0x7f0000000280)=0x8) dup3(r0, r2, 0x0) [ 236.577829] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 236.585106] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:26 executing program 0 (fault-call:2 fault-nth:43): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:26 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0xfffffffffffffffd) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) [ 236.835132] FAT-fs (loop0): bogus number of reserved sectors [ 236.841096] FAT-fs (loop0): Can't find a valid FAT filesystem [ 236.891677] FAULT_INJECTION: forcing a failure. [ 236.891677] name failslab, interval 1, probability 0, space 0, times 0 [ 236.903023] CPU: 1 PID: 18043 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 236.910317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.919680] Call Trace: [ 236.922268] dump_stack+0x1b9/0x294 [ 236.925897] ? dump_stack_print_info.cold.2+0x52/0x52 [ 236.931100] should_fail.cold.4+0xa/0x1a [ 236.935156] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.940253] ? fuse_mount+0x2c/0x40 [ 236.943872] ? mount_fs+0xae/0x328 [ 236.947403] ? do_mount+0x564/0x3070 [ 236.951111] ? ksys_mount+0x12d/0x140 [ 236.954900] ? do_syscall_64+0x1b1/0x800 [ 236.958952] ? graph_lock+0x170/0x170 [ 236.962745] ? find_held_lock+0x36/0x1c0 [ 236.966798] ? find_held_lock+0x36/0x1c0 [ 236.970880] ? __lock_is_held+0xb5/0x140 [ 236.974947] ? check_same_owner+0x320/0x320 [ 236.979279] ? rcu_note_context_switch+0x710/0x710 [ 236.984203] ? kasan_check_read+0x11/0x20 [ 236.988356] __should_failslab+0x124/0x180 [ 236.992594] should_failslab+0x9/0x14 [ 236.996390] kmem_cache_alloc_node_trace+0x26f/0x770 [ 237.001510] ? _raw_spin_unlock+0x22/0x30 [ 237.005656] bdi_alloc_node+0x67/0xe0 [ 237.009453] super_setup_bdi_name+0x8b/0x220 [ 237.013859] ? kill_block_super+0x100/0x100 [ 237.018173] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.023185] ? kmem_cache_alloc_trace+0x616/0x780 [ 237.028037] ? match_wildcard+0x3c0/0x3c0 [ 237.032190] ? trace_hardirqs_on+0xd/0x10 [ 237.036354] fuse_fill_super+0xe6e/0x1e20 [ 237.040502] ? fuse_get_root_inode+0x190/0x190 [ 237.045088] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 237.050111] ? kasan_check_read+0x11/0x20 [ 237.054255] ? cap_capable+0x1f9/0x260 [ 237.058155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.063692] ? security_capable+0x99/0xc0 [ 237.067839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.073365] ? ns_capable_common+0x13f/0x170 [ 237.077782] ? get_anon_bdev+0x2f0/0x2f0 [ 237.081848] ? sget+0x113/0x150 [ 237.085122] ? fuse_get_root_inode+0x190/0x190 [ 237.089710] mount_nodev+0x6b/0x110 [ 237.093331] fuse_mount+0x2c/0x40 [ 237.096777] mount_fs+0xae/0x328 [ 237.100138] vfs_kern_mount.part.34+0xd4/0x4d0 [ 237.104711] ? may_umount+0xb0/0xb0 [ 237.108341] ? _raw_read_unlock+0x22/0x30 [ 237.112487] ? __get_fs_type+0x97/0xc0 [ 237.116372] do_mount+0x564/0x3070 [ 237.119920] ? copy_mount_string+0x40/0x40 [ 237.124148] ? rcu_pm_notify+0xc0/0xc0 [ 237.128063] ? copy_mount_options+0x5f/0x380 [ 237.132472] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.137484] ? kmem_cache_alloc_trace+0x616/0x780 [ 237.142321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.147851] ? _copy_from_user+0xdf/0x150 [ 237.151995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.157531] ? copy_mount_options+0x285/0x380 [ 237.162035] ksys_mount+0x12d/0x140 [ 237.165670] __x64_sys_mount+0xbe/0x150 [ 237.169640] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 237.174653] do_syscall_64+0x1b1/0x800 [ 237.178543] ? finish_task_switch+0x1ca/0x840 [ 237.183053] ? syscall_return_slowpath+0x5c0/0x5c0 [ 237.187986] ? syscall_return_slowpath+0x30f/0x5c0 [ 237.192915] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 237.198277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.203113] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 237.208290] RIP: 0033:0x455a09 [ 237.211476] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 237.219183] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 237.226443] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 237.233711] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 2018/05/17 15:02:27 executing program 5: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:27 executing program 1: r0 = open(&(0x7f0000000100)='./file0\x00', 0x80, 0x4) perf_event_open(&(0x7f0000000200)={0x2, 0xffffffffffffff4a, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb3f, 0x0, 0x100000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x200, 0x5}, 0x0, 0x9d9, 0x0, 0x0, 0x0, 0x200000}, 0x0, 0x0, r0, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000140)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x401, 0x0) ioctl$VT_RESIZEX(r3, 0x560a, &(0x7f0000000080)={0x7, 0x100, 0x80, 0x3, 0x8, 0xa000000000000}) socket$inet6_icmp(0xa, 0x2, 0x3a) 2018/05/17 15:02:27 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:27 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:27 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000380)='/dev/rtc0\x00', 0x400, 0x0) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f00000003c0), &(0x7f0000000480)=0x4) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/sync_sock_size\x00', 0x2, 0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x1, 0x1, r2, 0x4}, 0x12b) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000080)={0x0}, &(0x7f0000000280)=0xc) perf_event_open(&(0x7f0000000180)={0x7, 0x70, 0x4, 0x1, 0x0, 0x4, 0x0, 0x3, 0x6000, 0x4, 0x1, 0x10001, 0x7fff, 0x3, 0x1ff, 0x401, 0x5, 0x80, 0xffff, 0x19d0d66d, 0x7f, 0x1, 0x7ff, 0x10001, 0x9b, 0x100000000, 0x4, 0x3, 0x300, 0x5, 0x0, 0x7000000000000000, 0xfffffffffffffffc, 0xa3, 0xae94, 0x10000, 0x80000000, 0x400, 0x0, 0x20, 0x2, @perf_config_ext={0x101, 0xfd9}, 0x4, 0xfffffffffffffffc, 0xd8, 0x5, 0x226, 0xac, 0x8}, r4, 0xd, r0, 0xb) r5 = syz_open_dev$vcsn(&(0x7f0000000400)='/dev/vcs#\x00', 0x80000000, 0x40) setsockopt$RDS_CONG_MONITOR(r5, 0x114, 0x6, &(0x7f0000000440), 0x4) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r3, &(0x7f00000002c0)="fd392ad31b631fa3419fe0117412cd4d8e6eaa37ce773fc4b1bc10d7a81251dc8c4a2be8fe2e6b106f6386423fefb547e9fd9a61316dc2dba47b6efcfd23f5e7bb0b843d5ef54572c048a3af7168af610400000000000000cc6ee93ce4fe44199dddc27d4abaef6a", &(0x7f0000000100)="0ef05b33230b01a8d807eae4a2d476fa1331f86d5339c0cda1f163cfba37f3995d7f3c2b736933bbe1cdacceaff148345159374c4a805b8566ed6ab77176e4387f100549463d445248fb432a5631f8e06c"}, 0x20) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001180)='/dev/full\x00', 0x400800, 0x0) ioctl$ASHMEM_PURGE_ALL_CACHES(r6, 0x770a, 0x0) accept4$packet(r6, &(0x7f00000011c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000001200)=0x14, 0x80800) openat$zero(0xffffffffffffff9c, &(0x7f0000000500)='/dev/zero\x00', 0x0, 0x0) setsockopt$RDS_CONG_MONITOR(r6, 0x114, 0x6, &(0x7f00000004c0), 0x4) 2018/05/17 15:02:27 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:27 executing program 0 (fault-call:2 fault-nth:44): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:27 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = syz_init_net_socket$nfc_llcp(0x27, 0x3, 0x1) syz_init_net_socket$nfc_llcp(0x27, 0x3, 0x1) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x2080, 0x0) bind(r2, &(0x7f00000000c0)=@pppol2tpin6={0x18, 0x1, {0x0, r3, 0x0, 0x4, 0x4, 0x4, {0xa, 0x4e23, 0x80, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x1}}}, 0x80) r4 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r4, 0x0) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000180)='IPVS\x00') sendmsg$IPVS_CMD_GET_CONFIG(r3, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r5, 0x400, 0x70bd2b, 0x25dfdbff, {0xd}, [@IPVS_CMD_ATTR_DAEMON={0x4, 0x3}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffffffff7fffffff}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x10}, 0x4) [ 237.240968] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 237.248234] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:27 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = msgget$private(0x0, 0x40) msgctl$IPC_STAT(r1, 0x2, &(0x7f0000000140)=""/103) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000002c0)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r4 = getpgid(0x0) perf_event_open(&(0x7f00000000c0)={0x3, 0x70, 0x5, 0xfffffffffffffff8, 0x0, 0xfffffffffffffff8, 0x0, 0x5168b418000000, 0x2450, 0x4, 0x20, 0x6cab525e, 0x1, 0x3, 0x7, 0x800, 0x7, 0x20, 0x1, 0x80000000, 0x6, 0xb7, 0x4, 0x71, 0x8, 0x31, 0x401, 0x7fffffff, 0x1, 0x5, 0x1000, 0x4, 0x6, 0x8, 0x357e, 0x9, 0x4, 0x6, 0x0, 0xfffffffffffffffd, 0x1, @perf_config_ext={0x8, 0x8}, 0x300, 0xdc68, 0x200, 0x3, 0x9, 0x1, 0x7}, r4, 0x10, r0, 0xa) r5 = syz_open_dev$dmmidi(&(0x7f00000001c0)='/dev/dmmidi#\x00', 0x7, 0x40400) ioctl$BINDER_SET_MAX_THREADS(r5, 0x40046205, 0x7fffffff) ioctl$sock_netrom_TIOCOUTQ(r5, 0x5411, &(0x7f0000000280)) r6 = dup3(r0, r3, 0x0) ioctl$SG_GET_SCSI_ID(r2, 0x2276, &(0x7f0000000040)) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) write$tun(r6, &(0x7f0000000300)={@pi={0x0, 0x9209}, @void, @mpls={[{0x2, 0x2, 0x6, 0x400}, {0x5ff9, 0x1, 0x3, 0xa3}, {0x7ff, 0x10001, 0xdf, 0xfffffffffffffffd}, {0x0, 0x6, 0x1, 0x94}, {0x7, 0x4, 0x3, 0x4}, {0xffffffff, 0x8000, 0xe74, 0x10001}, {0x7, 0x7, 0x4, 0x7}], @ipv4={{0x16, 0x4, 0x9, 0x1, 0x7b, 0x68, 0x5, 0x0, 0x1d, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}, @broadcast=0xffffffff, {[@lsrr={0x83, 0x13, 0x80000000, [@broadcast=0xffffffff, @multicast2=0xe0000002, @local={0xac, 0x14, 0x14, 0xaa}, @dev={0xac, 0x14, 0x14, 0x21}]}, @lsrr={0x83, 0x7, 0x6, [@empty]}, @cipso={0x86, 0x29, 0x3f, [{0x7, 0x6, "8d9d9424"}, {0x6, 0x8, "dae1326721dc"}, {0x0, 0x6, "decc870f"}, {0x0, 0xf, "3c402d1e56d971317a24e5769c"}]}]}}, @icmp=@echo={0x8, 0x0, 0x0, 0x4, 0x1, "c41c4b5be2d829b7db9c2e1b4da0ee20a15a3ac89481ebf40fe950"}}}}, 0x9b) [ 237.308873] FAT-fs (loop0): bogus number of reserved sectors [ 237.314826] FAT-fs (loop0): Can't find a valid FAT filesystem [ 237.359214] FAULT_INJECTION: forcing a failure. [ 237.359214] name failslab, interval 1, probability 0, space 0, times 0 [ 237.370559] CPU: 1 PID: 18063 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 237.377855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.387226] Call Trace: [ 237.389847] dump_stack+0x1b9/0x294 [ 237.393514] ? dump_stack_print_info.cold.2+0x52/0x52 [ 237.398729] ? perf_trace_lock_acquire+0xe3/0x980 [ 237.403616] should_fail.cold.4+0xa/0x1a [ 237.407705] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.412850] ? graph_lock+0x170/0x170 [ 237.416671] ? get_random_bytes+0x34/0x40 [ 237.420853] ? find_held_lock+0x36/0x1c0 [ 237.424943] ? __lock_is_held+0xb5/0x140 [ 237.429049] ? check_same_owner+0x320/0x320 [ 237.433393] ? fuse_conn_init+0x744/0x900 [ 237.437574] ? rcu_note_context_switch+0x710/0x710 [ 237.442540] __should_failslab+0x124/0x180 [ 237.446810] should_failslab+0x9/0x14 [ 237.450640] kmem_cache_alloc_trace+0x2cb/0x780 [ 237.455353] fuse_dev_alloc+0xb5/0x4e0 [ 237.459265] ? __lock_is_held+0xb5/0x140 [ 237.463356] ? process_init_reply+0x1460/0x1460 [ 237.468079] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.473124] ? kmem_cache_alloc_trace+0x616/0x780 [ 237.477985] ? match_wildcard+0x3c0/0x3c0 [ 237.482143] ? trace_hardirqs_on+0xd/0x10 [ 237.486305] fuse_fill_super+0xce0/0x1e20 [ 237.490467] ? fuse_get_root_inode+0x190/0x190 [ 237.495064] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 237.500098] ? kasan_check_read+0x11/0x20 [ 237.504251] ? cap_capable+0x1f9/0x260 [ 237.508148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.513692] ? security_capable+0x99/0xc0 [ 237.517847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.523382] ? ns_capable_common+0x13f/0x170 [ 237.527806] ? get_anon_bdev+0x2f0/0x2f0 [ 237.531870] ? sget+0x113/0x150 [ 237.535151] ? fuse_get_root_inode+0x190/0x190 [ 237.539732] mount_nodev+0x6b/0x110 [ 237.543359] fuse_mount+0x2c/0x40 [ 237.546814] mount_fs+0xae/0x328 [ 237.550186] vfs_kern_mount.part.34+0xd4/0x4d0 [ 237.554770] ? may_umount+0xb0/0xb0 [ 237.558399] ? _raw_read_unlock+0x22/0x30 [ 237.562542] ? __get_fs_type+0x97/0xc0 [ 237.566435] do_mount+0x564/0x3070 [ 237.569973] ? do_raw_spin_unlock+0x9e/0x2e0 [ 237.574386] ? copy_mount_string+0x40/0x40 [ 237.578617] ? rcu_pm_notify+0xc0/0xc0 [ 237.582515] ? copy_mount_options+0x5f/0x380 [ 237.586919] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.591934] ? kmem_cache_alloc_trace+0x616/0x780 [ 237.596786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.602332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.607878] ? copy_mount_options+0x285/0x380 [ 237.612379] ksys_mount+0x12d/0x140 [ 237.616026] __x64_sys_mount+0xbe/0x150 [ 237.620006] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 237.625040] do_syscall_64+0x1b1/0x800 [ 237.628926] ? finish_task_switch+0x1ca/0x840 [ 237.633421] ? syscall_return_slowpath+0x5c0/0x5c0 [ 237.638354] ? syscall_return_slowpath+0x30f/0x5c0 [ 237.643290] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 237.648669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.653527] entry_SYSCALL_64_after_hwframe+0x49/0xbe 2018/05/17 15:02:27 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r2 = fcntl$dupfd(r1, 0x0, r0) bind$bt_l2cap(r2, &(0x7f0000000080)={0x1f, 0xfff, {0x6, 0x101, 0xfffffffffffffffd, 0x49, 0x4, 0x7fff}, 0x2, 0xffff}, 0xe) 2018/05/17 15:02:27 executing program 5: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:27 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:27 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0x0, 0x2000) getpeername$ipx(r2, &(0x7f0000000080), &(0x7f0000000100)=0x10) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:27 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0xfffffffffffffff8, 0x20000) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_INFO(r2, 0xc10c5541, &(0x7f0000000300)={0x4, 0x20, 0x6, 0x0, 0x0, [], [], [], 0x8001}) getsockopt$inet_tcp_buf(r2, 0x6, 0xe, &(0x7f0000000100)=""/120, &(0x7f0000000180)=0x78) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) sendmmsg$alg(r2, &(0x7f0000003700)=[{0x0, 0x0, &(0x7f0000000280)=[{&(0x7f00000001c0)="c0c9402608dada8bc68945da0db51849", 0x10}, {&(0x7f0000000440)="9023bf17056e8cb565702a781a889842fc7cd6f9224fc37fc5d0ed6009cc45c7e4448efa8375c8c1a34de8704c5820db893e3e2bd683849b19ae7897439cb7eaea79024e3c4db638fd3f23bf3bbf8a8a3bd34418b89f5aa7be3f5fe51ac49734f61df1617575e1f213337e1874572990a32d2302a6df2dad25a88b41b588d686129ddbc58a79f30fb96cc2841537cc02b2ddd2186c2bb3d3c10d4ed2db6a69e3ea40de013e42548d023b8ac19a4ceddcbd4449fb293319d9035ba39ee070814292ada60a86fa4f4c45827c403f4f8b51baab4b8c93056f9fe2b5f3824e74256a2268bb71d3f8135f0671757baf2f75d7d6a4d22eca9d91af0f13b2", 0xfb}, {&(0x7f00000014c0)="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{&(0x7f0000000a80)="404343e828cea5b0246811ed16d4d92e8c0b972c7b9f0f082b08f620eef78a4599d2f8a7f08729cfce87b36159dd9662c0905003ddc2792b7a2322852a57752deeb55d41cefe9d0c08e8e1b20ca2bf7a95618a47dcb2609988fddc87199753a82c3eb73e745615193e4a783ee22e278343eb6cef1ca0c81ec6ceac8939d10f855614113abd0ddba1cb7ecf3b6a7db23513f54be8945e910d5464fa563e015994a3f563a31bd40b777e5e3a0a18ab8954240615df00f6dde7776aee3b850bf936814f9a8bb0dc9e4b9a96fc50c028e0d1fb96f9b058cb41", 0xd7}, {&(0x7f0000000b80)="b04c5d1a053f9934e56cfa869b4d7a5114c51f1e3f2b7831a15463d705b09ec9f1e0281b56c7afa0754846284dbfd08e128bc38a902ddba46f0ca3b16e78593db955d093cd59df366b0b32ced4cf6996ee3897436fbfd6334d62bd85bacab65ecd", 0x61}, {&(0x7f0000000c00)="b8096b6e44a3db74491707f90b6fddb5d005c1dde3c6402cdf33e691785e1bc5b5eecd4c47626f822c23631f65af6ee47aa2c97375d5b1458066c520bfb5e429d2fc295b031bfbaa96c0d1340e698ca329718e125fbc097c809740bda061d35314c73c4bb868cc00e64b43e61d3d4dc4e782eebf86620c237502385bce00de7f03d47029d61b17cd9fd51dafac829e1310a19666e34e984f6e56a0fb325fab103ced338b4c7a087bf47d5ca8710cc9a3b3c01043976350d80aa4b667a193e91d6e13b166e67ee919d06794e13f187857d1d674533fab7c6419fe212e296fc72aac8445af", 0xe4}, {&(0x7f0000000d00)="fdbe27a34e4bb142b69dfbf87d720f3c291296e0a73e792a0968ce7172489c1cc90e34beec5bd9d9474fd033069236bf0fe5661cc1e7a91eafbfc56fdd012127ae68fb85e30af98a4b329a8f1d5a57df8eea223b2b8e285bcf5ddb04e762466e7da1cdaa3593a872173d07685eeaec541fd8", 0x72}, {&(0x7f0000000d80)="eb4b5831eeb7fb9f9f7dc7bcfed87a", 0xf}], 0xa, &(0x7f0000000e80)=[@assoc={0x18, 0x117, 0x4, 0x40}, @assoc={0x18, 0x117, 0x4, 0x3}, @op={0x18, 0x117, 0x3, 0x1}, @assoc={0x18, 0x117, 0x4, 0x20000000}, @op={0x18, 0x117, 0x3, 0x1}, @iv={0xc8, 0x117, 0x2, 0xad, "2b57b315430a346d68f3e47d590bd8e41f26ed7af588565c49f76b79019a158eee23468198639cda868ab00c6c6308a50d55b438fa076bad161b34c5dc9d01c9f867d66dfc5eea10ad4e0b4c2d54fe62ca0cf5a3d9372d40b849bbc425c087528d5640467e23558a689cb0fcfd9fd0a23b91b1577c37afade35bf8523f4928a7faeaa3eaf180a113e45cb54cba0162a597e3a6077f06383325ec50fa35e2394ff24b82702eca5fd674de20c44e"}, @iv={0x118, 0x117, 0x2, 0xff, "f46e53c563125dbef1a4c27d60f213cc9bdb1bafa82b035b97609460c757cf4773d6a38dc7c968f07409f7bb35e6bfbcbc7d824307e9dd0b61af1ca7c047c9cec3208a351cc5dccc15664b7b52de3f0924aea0f0af8321e73facda2c897011bdd7865bce10eda0f43e9c024d0afd3549733186aa847109ed9d0698cd4c55aeddcb3adbaf4d9849e81d6da8ed5a304a8b93cddb16451e7d6de571e934a45ca0d539213ef184c9fdc02e5dfb8eea41649ff930f0433c28a583e1b37c1b7036fc758618a2ba4ef917d3e6100dbcc6a15391b37e2815a7544254634bfc8b3b5cb83b5960d022d40a5009a8c59bcec512d3381aeb225284e32036545415bfc2608e"}, @iv={0xb8, 0x117, 0x2, 0xa2, "d0f46eedf10325c090627aeb57d77c667e90ef75a83d65301eec87c9c1843ee4783779b75fc147f33a6ea71728034d050d639dad3084b15cb2166af4ac2e9abe9ea9f270e563ee6ca8a7f3f2e258eb1e786ac306e718f8a48fa64aafb943f186f40f6e5050cc1dd2544d44c777791cc172afede85ab0e08af4343cc1f8d5e9f1f842a85cec2791e5ac1ae12c4b82209ee71e5ff74b91cde950a1b2c18b85b6aecb19"}], 0x310, 0x4}, {0x0, 0x0, &(0x7f0000001240)=[{&(0x7f00000011c0)="1730736509cb2ded3681fcb83665b312db5499c32684c6e6aae5cc9285ee7b4d2c7db585c5eb98cc993a1eebd39e5d961d791fce4660e767b7231d1302586f9811d8293d25b0a22fcdcc80bf1bfd57b312c922c3749d450f8efc89b2", 0x5c}], 0x1, &(0x7f0000001280)=[@assoc={0x18, 0x117, 0x4, 0x7}, @op={0x18, 0x117, 0x3, 0x1}, @op={0x18, 0x117, 0x3, 0x1}], 0x48, 0x4004000}, {0x0, 0x0, &(0x7f0000001440)=[{&(0x7f0000001300)="fac79f238c985d825d36b071bc6ee2ce69b71bcb431dfd40f5700abdc0e7f40d8d6ad5e056710257e8f8a4449e791c2fcd74514759410f30f702d3f2d6c63fe3dc7c21c5d9bdbb22ef995e7b551f0c369d3a71ace82cb1331ba4140eeb50c04f3a7956d8ceb9d7452a1afc7eb5526b35002b86674dd6ae8d6d62aafa0ea3abd303e43cc361f71864a27ff1cab034579f7a9cd9add7b46389a1a08423e15288bc466f9cad7502b660e551cf0d99b64c912e56d68022f5141a78d2646390", 0xbd}, {&(0x7f00000013c0)="7ce7d367d3f10b058478a96a59d92dc27efd419a81e7ca59cdb634ca125fd1e12152957e7f495b5341fd0b87636dcd3553cb252e36068bfb2b88727cbf3933b79037482f975d6bad92822f55dd42119143654f09f387d894e9bebaefebca1c3f05a27408247309b9cb05074343d7ab0a4791718a", 0x74}], 0x2, &(0x7f00000024c0)=[@op={0x18, 0x117, 0x3, 0x1}, @iv={0x58, 0x117, 0x2, 0x40, "4a119dba66556c19d271abe35aaa6f3c45d0d252255e2a0adba8aab95be2ba399744af549a32f4db661fdb33cc175cf05d23ece7a9db8a2b6cedb01fc62a1973"}, @op={0x18, 0x117, 0x3}, @iv={0x70, 0x117, 0x2, 0x56, "b97f5580604502e62c1b15970acc54bc0687bfaf523934bc3628660dcbeca6cbaa08b0cd6818fd3fa2c538aa2fca4c8efff7ea9da74aa4f68bae8f398b42fe1208a12ffba41de6832e0c93dbde1ef8a0da5ca7363a35"}, @iv={0x1018, 0x117, 0x2, 0x1000, "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"}, @assoc={0x18, 0x117, 0x4, 0x80000000}, @iv={0xe0, 0x117, 0x2, 0xc7, "a74123bc62c134f6b0266e841a8c43bd965371e56668e416d0858bccb83d360fc92d3075ca246bd2709a605d534d63eda063b466cef2a17a2f5a08f8ab4357777c7b88f2d149b32d75786788258c4c214be2e08b3520af568d85370f3e18f28914f254613a31d2ffc77dddffbd3e88a0ba2423cc47c9bea6dd3f7c3bc7d76244829c7d9243d74a68ebac4adf90caf2753f9e9f1584622a0546e7ddfa6b96bd48a230db7e600e5ff7d4ceb5fdaeda72428868b7d21913b6be55e2b39d068e4b9feddd7ac401e17f"}], 0x1208}], 0x4, 0x10) [ 237.658719] RIP: 0033:0x455a09 [ 237.661917] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 237.669628] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 237.676895] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 237.684166] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 237.691432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 237.698699] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:27 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:27 executing program 0 (fault-call:2 fault-nth:45): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:27 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x0, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:27 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)="5b7d707070301376626f786e65743176626f786e65743000") r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:27 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$adsp(&(0x7f0000000080)='/dev/adsp#\x00', 0xff, 0x0) ioctl$sock_inet6_tcp_SIOCOUTQ(r1, 0x5411, &(0x7f00000001c0)) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000340)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0x80045500, &(0x7f0000000100)=""/161) openat$urandom(0xffffffffffffff9c, &(0x7f0000000040)='/dev/urandom\x00', 0x10000, 0x0) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000280)='/proc/self/net/pfkey\x00', 0x0, 0x0) [ 237.903101] FAT-fs (loop0): bogus number of reserved sectors [ 237.909100] FAT-fs (loop0): Can't find a valid FAT filesystem [ 238.007435] FAULT_INJECTION: forcing a failure. [ 238.007435] name failslab, interval 1, probability 0, space 0, times 0 [ 238.018791] CPU: 1 PID: 18108 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 238.026086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.035469] Call Trace: [ 238.038094] dump_stack+0x1b9/0x294 [ 238.041760] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.047147] ? perf_trace_lock_acquire+0xe3/0x980 [ 238.052032] should_fail.cold.4+0xa/0x1a [ 238.056131] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.061262] ? zap_class+0x720/0x720 [ 238.065002] ? perf_trace_lock+0x900/0x900 [ 238.069257] ? graph_lock+0x170/0x170 [ 238.073085] ? graph_lock+0x170/0x170 [ 238.076917] ? find_held_lock+0x36/0x1c0 [ 238.081017] ? __lock_is_held+0xb5/0x140 [ 238.085102] ? __kprobes_text_end+0x513e8/0x110578 [ 238.090084] ? check_same_owner+0x320/0x320 [ 238.094441] ? rcu_note_context_switch+0x710/0x710 [ 238.099411] __should_failslab+0x124/0x180 [ 238.103679] should_failslab+0x9/0x14 [ 238.107507] kmem_cache_alloc_trace+0x2cb/0x780 [ 238.112199] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 238.117332] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 238.122385] wb_congested_get_create+0x1ca/0x450 [ 238.127175] ? wb_wakeup_delayed+0xf0/0xf0 [ 238.131432] ? __lockdep_init_map+0x105/0x590 [ 238.135941] wb_init+0x62e/0x9e0 [ 238.139314] ? bdi_put+0x180/0x180 [ 238.142858] ? mark_held_locks+0xc9/0x160 [ 238.147005] ? do_mount+0x564/0x3070 [ 238.150728] ? __raw_spin_lock_init+0x1c/0x100 [ 238.155329] ? mark_held_locks+0xc9/0x160 [ 238.159481] ? __raw_spin_lock_init+0x1c/0x100 [ 238.164064] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 238.169089] ? lockdep_init_map+0x9/0x10 [ 238.173152] bdi_init+0x353/0x510 [ 238.176603] ? wb_init+0x9e0/0x9e0 [ 238.180143] ? bdi_alloc_node+0x67/0xe0 [ 238.184116] ? bdi_alloc_node+0x67/0xe0 [ 238.188091] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.193119] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 238.198401] ? _raw_spin_unlock+0x22/0x30 [ 238.202556] bdi_alloc_node+0x81/0xe0 [ 238.206356] super_setup_bdi_name+0x8b/0x220 [ 238.210767] ? kill_block_super+0x100/0x100 [ 238.215085] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.220110] ? kmem_cache_alloc_trace+0x616/0x780 [ 238.224952] ? match_wildcard+0x3c0/0x3c0 [ 238.229115] fuse_fill_super+0xe6e/0x1e20 [ 238.233274] ? fuse_get_root_inode+0x190/0x190 [ 238.237860] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 238.242890] ? kasan_check_read+0x11/0x20 [ 238.247049] ? cap_capable+0x1f9/0x260 [ 238.250957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.256491] ? security_capable+0x99/0xc0 [ 238.260644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.266177] ? ns_capable_common+0x13f/0x170 [ 238.270588] ? get_anon_bdev+0x2f0/0x2f0 [ 238.274646] ? sget+0x113/0x150 [ 238.277929] ? fuse_get_root_inode+0x190/0x190 [ 238.282509] mount_nodev+0x6b/0x110 [ 238.286136] fuse_mount+0x2c/0x40 [ 238.289589] mount_fs+0xae/0x328 [ 238.292963] vfs_kern_mount.part.34+0xd4/0x4d0 [ 238.297546] ? may_umount+0xb0/0xb0 [ 238.301171] ? _raw_read_unlock+0x22/0x30 [ 238.305316] ? __get_fs_type+0x97/0xc0 [ 238.309210] do_mount+0x564/0x3070 [ 238.312760] ? copy_mount_string+0x40/0x40 [ 238.317008] ? rcu_pm_notify+0xc0/0xc0 [ 238.320919] ? copy_mount_options+0x5f/0x380 [ 238.325328] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.330347] ? kmem_cache_alloc_trace+0x616/0x780 [ 238.335205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.340743] ? copy_mount_options+0x285/0x380 [ 238.345250] ksys_mount+0x12d/0x140 [ 238.348894] __x64_sys_mount+0xbe/0x150 [ 238.352869] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 238.357898] do_syscall_64+0x1b1/0x800 [ 238.361784] ? finish_task_switch+0x1ca/0x840 [ 238.366282] ? syscall_return_slowpath+0x5c0/0x5c0 [ 238.371214] ? syscall_return_slowpath+0x30f/0x5c0 [ 238.376151] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 238.381525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.386397] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 238.391582] RIP: 0033:0x455a09 [ 238.394768] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 2018/05/17 15:02:28 executing program 7: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000140)='/proc/self/net/pfkey\x00', 0x2000, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_REM(r0, 0x84, 0x65, &(0x7f0000000180)=[@in={0x2, 0x4e24, @rand_addr=0x45f}, @in={0x2, 0x4e22, @loopback=0x7f000001}, @in={0x2, 0x4e24, @rand_addr=0xfffffffffffff801}, @in={0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}, @in={0x2, 0x4e24, @loopback=0x7f000001}, @in6={0xa, 0x3, 0x3, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0x7}, @in={0x2, 0x4e22, @loopback=0x7f000001}], 0x7c) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$admmidi(&(0x7f0000000080)='/dev/admmidi#\x00', 0x1, 0x10000) ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r1, 0x40405514, &(0x7f0000000100)={0x9, 0x1, 0x7fffffff, 0x800, "6f0268a2ad10be3faa0f5df8e1802ad2565563b53fd96102856aabc23d2267772a63ec47d746630db6592bc1", 0x742e}) socket$inet6_udp(0xa, 0x2, 0x0) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:28 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:28 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) setsockopt$l2tp_PPPOL2TP_SO_REORDERTO(r1, 0x111, 0x5, 0x3, 0x4) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)=@gettaction={0x1c, 0x32, 0x100, 0x70bd26, 0x25dfdbfc, {0x0, 0x41526af3, 0x66b}, [@action_dump_flags=@TCA_ROOT_TIME_DELTA={0x8, 0x4}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x0) r3 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_RESET(r3, 0x2403, 0x6494) ioctl$BLKBSZGET(r3, 0x80081270, &(0x7f0000000080)) 2018/05/17 15:02:28 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:28 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:28 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x7f, 0xbe) dup3(r0, r2, 0x0) 2018/05/17 15:02:28 executing program 0 (fault-call:2 fault-nth:46): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:28 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(0xffffffffffffffff, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 238.402483] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 238.409751] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 238.417020] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 238.424289] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 238.431566] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:28 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) [ 238.532282] FAT-fs (loop0): bogus number of reserved sectors [ 238.538346] FAT-fs (loop0): Can't find a valid FAT filesystem [ 238.571547] FAULT_INJECTION: forcing a failure. [ 238.571547] name failslab, interval 1, probability 0, space 0, times 0 [ 238.582928] CPU: 1 PID: 18146 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 238.590227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.599599] Call Trace: [ 238.602218] dump_stack+0x1b9/0x294 [ 238.605880] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.611098] ? perf_trace_lock_acquire+0xe3/0x980 [ 238.615988] should_fail.cold.4+0xa/0x1a [ 238.620081] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.625240] ? zap_class+0x720/0x720 [ 238.628983] ? perf_trace_lock+0x900/0x900 [ 238.633241] ? graph_lock+0x170/0x170 [ 238.637070] ? graph_lock+0x170/0x170 [ 238.640902] ? find_held_lock+0x36/0x1c0 [ 238.645002] ? __lock_is_held+0xb5/0x140 [ 238.649094] ? rpcrdma_prepare_send_sges+0x110/0x1450 [ 238.654339] ? check_same_owner+0x320/0x320 [ 238.658703] ? rcu_note_context_switch+0x710/0x710 [ 238.663663] __should_failslab+0x124/0x180 [ 238.667927] should_failslab+0x9/0x14 [ 238.671746] kmem_cache_alloc_trace+0x2cb/0x780 [ 238.676418] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 238.681522] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 238.686545] wb_congested_get_create+0x1ca/0x450 [ 238.691318] ? wb_wakeup_delayed+0xf0/0xf0 [ 238.695556] ? __lockdep_init_map+0x105/0x590 [ 238.700059] wb_init+0x62e/0x9e0 [ 238.703445] ? bdi_put+0x180/0x180 [ 238.706991] ? mark_held_locks+0xc9/0x160 [ 238.711145] ? do_mount+0x564/0x3070 [ 238.714862] ? __raw_spin_lock_init+0x1c/0x100 [ 238.719456] ? mark_held_locks+0xc9/0x160 [ 238.723617] ? __raw_spin_lock_init+0x1c/0x100 [ 238.728204] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 238.733230] ? lockdep_init_map+0x9/0x10 [ 238.737296] bdi_init+0x353/0x510 [ 238.740745] ? wb_init+0x9e0/0x9e0 [ 238.744285] ? bdi_alloc_node+0x67/0xe0 [ 238.748254] ? bdi_alloc_node+0x67/0xe0 [ 238.752227] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.757244] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 238.762529] ? _raw_spin_unlock+0x22/0x30 [ 238.767462] bdi_alloc_node+0x81/0xe0 [ 238.771266] super_setup_bdi_name+0x8b/0x220 [ 238.775670] ? kill_block_super+0x100/0x100 [ 238.779993] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.785014] ? kmem_cache_alloc_trace+0x616/0x780 [ 238.789869] ? match_wildcard+0x3c0/0x3c0 [ 238.794019] ? trace_hardirqs_on+0xd/0x10 [ 238.798184] fuse_fill_super+0xe6e/0x1e20 [ 238.802345] ? fuse_get_root_inode+0x190/0x190 [ 238.806928] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 238.812121] ? kasan_check_read+0x11/0x20 [ 238.816283] ? cap_capable+0x1f9/0x260 [ 238.820181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.825716] ? security_capable+0x99/0xc0 [ 238.829869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.835417] ? ns_capable_common+0x13f/0x170 [ 238.839830] ? get_anon_bdev+0x2f0/0x2f0 [ 238.843890] ? sget+0x113/0x150 [ 238.847190] ? fuse_get_root_inode+0x190/0x190 [ 238.851774] mount_nodev+0x6b/0x110 [ 238.855413] fuse_mount+0x2c/0x40 [ 238.858868] mount_fs+0xae/0x328 [ 238.862245] vfs_kern_mount.part.34+0xd4/0x4d0 [ 238.866833] ? may_umount+0xb0/0xb0 [ 238.870458] ? _raw_read_unlock+0x22/0x30 [ 238.874603] ? __get_fs_type+0x97/0xc0 [ 238.879113] do_mount+0x564/0x3070 [ 238.882654] ? do_raw_spin_unlock+0x9e/0x2e0 [ 238.887073] ? copy_mount_string+0x40/0x40 [ 238.891306] ? rcu_pm_notify+0xc0/0xc0 [ 238.895209] ? copy_mount_options+0x5f/0x380 [ 238.899614] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.904634] ? kmem_cache_alloc_trace+0x616/0x780 [ 238.909481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.915035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.920583] ? copy_mount_options+0x285/0x380 [ 238.925087] ksys_mount+0x12d/0x140 [ 238.928718] __x64_sys_mount+0xbe/0x150 [ 238.932692] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 238.937714] do_syscall_64+0x1b1/0x800 [ 238.941612] ? finish_task_switch+0x1ca/0x840 [ 238.946109] ? syscall_return_slowpath+0x5c0/0x5c0 [ 238.951048] ? syscall_return_slowpath+0x30f/0x5c0 [ 238.955985] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 238.961362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.966228] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 238.971430] RIP: 0033:0x455a09 [ 238.976439] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 2018/05/17 15:02:28 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(0xffffffffffffffff, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:28 executing program 1: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x800, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x4, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], 'team0\x00'}}, 0x1e) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$uinput(0xffffffffffffff9c, &(0x7f0000000100)='/dev/uinput\x00', 0x44001, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000140)=0x4, 0x4) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:28 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:28 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000300)={{{@in6=@remote, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in6=@dev}}, &(0x7f0000000140)=0xe8) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f0000000180)={'team0\x00', r3}) setsockopt$inet6_MCAST_LEAVE_GROUP(r0, 0x29, 0x2d, &(0x7f0000000400)={0x0, {{0xa, 0x4e21, 0x4, @mcast2={0xff, 0x2, [], 0x1}, 0x3}}}, 0x88) r4 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r4, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:28 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0xd803}, 0x20) [ 238.984151] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 238.991420] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 238.998688] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 239.005954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 239.013221] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:29 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vcs\x00', 0x40000, 0x0) ioctl$DRM_IOCTL_DROP_MASTER(r0, 0x641f) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) accept$netrom(r0, &(0x7f00000012c0), &(0x7f0000000140)=0x10) r2 = msgget$private(0x0, 0xc0) bind$vsock_dgram(r0, &(0x7f0000000180)={0x28, 0x0, 0x2710, @my=0x0}, 0x10) flock(r1, 0x2) msgctl$MSG_STAT(r2, 0xb, &(0x7f0000000280)=""/4096) fanotify_init(0x0, 0x400) r3 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x488000, 0x0) setsockopt(r3, 0x8, 0x80000000, &(0x7f0000000100)="271c25afb8493a7a00ae00f77bb3a6b3793ccbb31e92a1b9c615db", 0x1b) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:29 executing program 6: r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x82800, 0x0) ioctl$sock_proto_private(r0, 0x89ed, &(0x7f00000000c0)="5cc3318ab1ca3629fccf4fe85d9ae9b31a6b858707d3e96717f1b74c92e2aaeca80ddbe78d2e0906be1617fb5a4be7e9d2995dd50e543f3a99bef16df1d317dc1b771b") r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r1, r3, 0x0) 2018/05/17 15:02:29 executing program 0 (fault-call:2 fault-nth:47): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:29 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x0, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:29 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0x80000001, 0x200) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000100)=[@in={0x2, 0x4e24}, @in6={0xa, 0x4e22, 0x5, @local={0xfe, 0x80, [], 0xaa}, 0xa0d}, @in={0x2, 0x4e22, @loopback=0x7f000001}, @in6={0xa, 0x4e22, 0x5, @mcast1={0xff, 0x1, [], 0x1}, 0x401}, @in6={0xa, 0x4e20, 0x5, @loopback={0x0, 0x1}, 0x80000001}, @in6={0xa, 0x4e21, 0x81e, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x80000000}, @in={0x2, 0x4e24, @multicast1=0xe0000001}, @in6={0xa, 0x4e23, 0xf6, @mcast2={0xff, 0x2, [], 0x1}, 0x7}, @in={0x2, 0x4e23, @loopback=0x7f000001}], 0xcc) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000300)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0x8000, 0x100000001, 0x7, 0x5, 0x4, 0x5, 0x7, 0x80, 0x3, 0x401, 0x200, 0x5, 0x0, 0xff, 0x8]}, &(0x7f0000000080)=0x100) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000000400)={r1, 0xbd, "0f8ffebf13846c1cce18de5ebc662f5c38e4c0ca494c046c2a40e66f43f7ca68bb1975f8ab0b74d01faad5a858b942ce1ac603d73126600a9f025e91cc4560820d7a4baeab9448c05126e24213cefe52c139d97097d4ce57296e4a20874de2ae373478680bf46d1a7a28818d1f751e4332efb7e368153b6e2c85a12aef79476ed0f302c584e196e67bdece09422e92e40ececa307bc310c7515ebf323c2411c57414192dba975ee2ed07ae5f93c6bea0f8e4ffb2877a1e8c325641ed79"}, &(0x7f0000000280)=0xc5) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:29 executing program 6: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x2, 0xfff, 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, 0xfffffffffffffffc, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r1, 0x80000) r2 = add_key$user(&(0x7f0000000040)='user\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000100)="ad6c2223b543bf3559d3b568ab199f66ff21f60728", 0x15, 0xffffffffffffffff) r3 = request_key(&(0x7f0000000180)='dns_resolver\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000280)='./cgroup.cpu\x00', 0xfffffffffffffffa) keyctl$instantiate(0xc, r2, &(0x7f0000000140)="72002d14bfb46180f6a9d1d63373", 0xe, r3) 2018/05/17 15:02:29 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x500000000000000}, 0x20) 2018/05/17 15:02:29 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(0xffffffffffffffff, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:29 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) socketpair$inet6(0xa, 0x2, 0x6, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/ip_vs_stats\x00') setsockopt$nfc_llcp_NFC_LLCP_RW(r4, 0x118, 0x0, &(0x7f0000000380)=0x8, 0x4) getsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f0000000100)={{{@in6=@dev, @in=@loopback}}, {{@in6=@local}, 0x0, @in6=@mcast2}}, &(0x7f0000000080)=0xe8) fgetxattr(r0, &(0x7f0000000280)=@random={'security.', 'cpuset.cpu_exclusive\x00'}, &(0x7f0000000300)=""/30, 0x109) 2018/05/17 15:02:29 executing program 7: pipe2(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000000004000) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r3 = syz_genetlink_get_family_id$team(&(0x7f0000000a00)='team\x00') ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000180)={'team0\x00', 0x0}) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000280)={{{@in6=@local, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6}}, &(0x7f00000001c0)=0xe8) sendmsg$TEAM_CMD_PORT_LIST_GET(r0, &(0x7f0000000480)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000440)={&(0x7f0000000bc0)={0x90, r3, 0x300, 0x70bd29, 0x25dfdbff, {0x3}, [{{0x8, 0x1, r4}, {0x74, 0x2, [{0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x1000}}}]}}]}, 0x90}, 0x1, 0x0, 0x0, 0x4000}, 0x4) sendmsg$TEAM_CMD_OPTIONS_GET(r0, &(0x7f0000000940)={&(0x7f00000004c0)={0x10}, 0xc, &(0x7f0000000900)={&(0x7f0000000500)={0x3c8, r3, 0x0, 0x70bd27, 0x25dfdbfb, {0x2}, [{{0x8, 0x1, r5}, {0x40, 0x2, [{0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r4}}}]}}, {{0x8, 0x1, r5}, {0x228, 0x2, [{0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8, 0x3, 0x5}, {0x10, 0x4, 'broadcast\x00'}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0x1c, 0x4, 'hash_to_port_mapping\x00'}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x1}}}, {0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r5}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x1000}}, {0x8, 0x6, r5}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r4}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r5}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x40}}}]}}, {{0x8, 0x1, r5}, {0x134, 0x2, [{0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4}}, {0x8, 0x6, r4}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r4}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r5}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r5}}}, {0x3c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0xc, 0x4, 'hash\x00'}}}]}}]}, 0x3c8}, 0x1, 0x0, 0x0, 0xe8d840a6b2ee93b9}, 0x8000) r6 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000380)='IPVS\x00') sendmsg$IPVS_CMD_GET_CONFIG(r1, &(0x7f0000000980)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x14, r6, 0x0, 0x70bd28, 0x25dfdbfe, {0xd}}, 0x14}, 0x1, 0x0, 0x0, 0x40001}, 0x4) [ 239.369917] FAT-fs (loop0): bogus number of reserved sectors [ 239.375899] FAT-fs (loop0): Can't find a valid FAT filesystem [ 239.421356] FAULT_INJECTION: forcing a failure. [ 239.421356] name failslab, interval 1, probability 0, space 0, times 0 [ 239.432714] CPU: 1 PID: 18199 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 239.440025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.449411] Call Trace: [ 239.452034] dump_stack+0x1b9/0x294 [ 239.455704] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.460918] ? perf_trace_lock_acquire+0xe3/0x980 [ 239.465806] should_fail.cold.4+0xa/0x1a [ 239.469901] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.475033] ? device_add+0x3a5/0x16d0 [ 239.478944] ? device_create_groups_vargs+0x1ff/0x270 [ 239.484247] ? bdi_register_va.part.10+0xbb/0x9b0 [ 239.489114] ? bdi_register_va+0x68/0x80 [ 239.493199] ? super_setup_bdi_name+0x123/0x220 [ 239.497890] ? fuse_fill_super+0xe6e/0x1e20 [ 239.502284] ? graph_lock+0x170/0x170 [ 239.506108] ? do_mount+0x564/0x3070 [ 239.509844] ? ksys_mount+0x12d/0x140 [ 239.514275] ? __x64_sys_mount+0xbe/0x150 [ 239.518446] ? do_syscall_64+0x1b1/0x800 [ 239.522540] ? find_held_lock+0x36/0x1c0 [ 239.526641] ? __lock_is_held+0xb5/0x140 [ 239.530756] ? check_same_owner+0x320/0x320 [ 239.535108] ? rcu_note_context_switch+0x710/0x710 [ 239.540060] ? rcu_read_lock_sched_held+0x108/0x120 [ 239.545108] __should_failslab+0x124/0x180 [ 239.549373] should_failslab+0x9/0x14 [ 239.553199] kmem_cache_alloc+0x2af/0x760 [ 239.557367] ? memcpy+0x45/0x50 [ 239.560678] ? kstrdup+0x59/0x70 [ 239.564085] __kernfs_new_node+0xe7/0x580 [ 239.568265] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 239.573075] ? lock_downgrade+0x8e0/0x8e0 [ 239.577268] kernfs_new_node+0x80/0xf0 [ 239.581183] kernfs_create_dir_ns+0x3d/0x140 [ 239.585619] sysfs_create_dir_ns+0xbe/0x1d0 [ 239.589975] kobject_add_internal+0x354/0xac0 [ 239.594505] ? kobj_ns_type_registered+0x60/0x60 [ 239.599286] ? lock_downgrade+0x8e0/0x8e0 [ 239.603458] ? refcount_add_not_zero+0x320/0x320 [ 239.608245] ? kasan_check_read+0x11/0x20 [ 239.612419] kobject_add+0x13a/0x190 [ 239.616154] ? kset_create_and_add+0x190/0x190 [ 239.620779] ? mutex_unlock+0xd/0x10 [ 239.624527] device_add+0x3a5/0x16d0 [ 239.628274] ? device_private_init+0x230/0x230 [ 239.632876] ? kfree+0x1e9/0x260 [ 239.636268] ? kfree_const+0x5e/0x70 [ 239.640014] device_create_groups_vargs+0x1ff/0x270 [ 239.645060] device_create_vargs+0x46/0x60 [ 239.649329] bdi_register_va.part.10+0xbb/0x9b0 [ 239.654021] ? cgwb_kill+0x630/0x630 [ 239.657763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.663319] ? bdi_init+0x416/0x510 [ 239.666970] ? wb_init+0x9e0/0x9e0 2018/05/17 15:02:29 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x5, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7e2a, 0x7fff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$midi(&(0x7f00000001c0)='/dev/midi#\x00', 0x9, 0x200001) ioctl$TUNGETVNETHDRSZ(r1, 0x800454d7, &(0x7f0000000280)) bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) fstatfs(r0, &(0x7f0000000100)=""/156) ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000080)=""/71) 2018/05/17 15:02:29 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x0, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:29 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x0, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:29 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0xd803000000000000}, 0x20) [ 239.670533] ? bdi_alloc_node+0x67/0xe0 [ 239.674522] ? bdi_alloc_node+0x67/0xe0 [ 239.678520] ? rcu_read_lock_sched_held+0x108/0x120 [ 239.683569] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 239.688876] ? _raw_spin_unlock+0x22/0x30 [ 239.693057] bdi_register_va+0x68/0x80 [ 239.696968] super_setup_bdi_name+0x123/0x220 [ 239.701482] ? kill_block_super+0x100/0x100 [ 239.706700] ? kmem_cache_alloc_trace+0x616/0x780 [ 239.711564] ? match_wildcard+0x3c0/0x3c0 [ 239.715738] ? trace_hardirqs_on+0xd/0x10 2018/05/17 15:02:29 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = memfd_create(&(0x7f0000000180)='mime_typeGPL', 0x2) getsockopt$inet_sctp6_SCTP_PR_STREAM_STATUS(r1, 0x84, 0x74, &(0x7f00000001c0)=""/49, &(0x7f0000000280)=0x31) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x200000, 0x0) getsockopt$inet_sctp6_SCTP_EVENTS(r2, 0x84, 0xb, &(0x7f0000000100), &(0x7f00000002c0)=0xb) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:29 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) socket(0x9, 0x7, 0x7) dup3(r0, r1, 0x80000) 2018/05/17 15:02:29 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x0, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:29 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000140)={0xffffffffffffffff, 0x0, 0x1, 0x5, &(0x7f0000000100)=[0x0, 0x0, 0x0, 0x0], 0x4}, 0x20) ioctl$IOC_PR_RELEASE(r1, 0x401070ca, &(0x7f0000000180)={0x7, 0x2}) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) getpeername$packet(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000300)=0x14) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f0000000340)={'team0\x00', r3}) r4 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r4, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) ioctl$int_out(r0, 0x0, &(0x7f0000000080)) [ 239.719923] fuse_fill_super+0xe6e/0x1e20 [ 239.724106] ? fuse_get_root_inode+0x190/0x190 [ 239.728720] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 239.733767] ? kasan_check_read+0x11/0x20 [ 239.737944] ? cap_capable+0x1f9/0x260 [ 239.741867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.747439] ? security_capable+0x99/0xc0 [ 239.751629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.757184] ? ns_capable_common+0x13f/0x170 [ 239.761626] ? get_anon_bdev+0x2f0/0x2f0 [ 239.765708] ? sget+0x113/0x150 [ 239.769012] ? fuse_get_root_inode+0x190/0x190 [ 239.773662] mount_nodev+0x6b/0x110 [ 239.777317] fuse_mount+0x2c/0x40 [ 239.780791] mount_fs+0xae/0x328 [ 239.784192] vfs_kern_mount.part.34+0xd4/0x4d0 [ 239.788804] ? may_umount+0xb0/0xb0 [ 239.792456] ? _raw_read_unlock+0x22/0x30 [ 239.796629] ? __get_fs_type+0x97/0xc0 [ 239.800551] do_mount+0x564/0x3070 [ 239.804132] ? copy_mount_string+0x40/0x40 [ 239.808406] ? rcu_pm_notify+0xc0/0xc0 [ 239.812326] ? copy_mount_options+0x5f/0x380 [ 239.816753] ? rcu_read_lock_sched_held+0x108/0x120 [ 239.821966] ? kmem_cache_alloc_trace+0x616/0x780 [ 239.826856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.832417] ? copy_mount_options+0x285/0x380 [ 239.836942] ksys_mount+0x12d/0x140 [ 239.840600] __x64_sys_mount+0xbe/0x150 [ 239.844598] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 239.849650] do_syscall_64+0x1b1/0x800 [ 239.853562] ? finish_task_switch+0x1ca/0x840 [ 239.858087] ? syscall_return_slowpath+0x5c0/0x5c0 [ 239.863042] ? syscall_return_slowpath+0x30f/0x5c0 [ 239.868012] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 239.873407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.878284] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.883486] RIP: 0033:0x455a09 [ 239.886685] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 239.894413] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 239.901689] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 239.908968] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 239.916249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 239.923529] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 239.931466] kobject_add_internal failed for 0:44 (error: -12 parent: bdi) 2018/05/17 15:02:29 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x100, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r0, 0xc00c642d, &(0x7f0000000080)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r3, 0x40086409, &(0x7f0000000100)={r4}) 2018/05/17 15:02:29 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x0, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:29 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x8, 0x7f, 0x7, 0x5, 0x20}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:29 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) syz_mount_image$xfs(&(0x7f0000000040)='xfs\x00', &(0x7f0000000080)='./file0\x00', 0x2, 0x1, &(0x7f0000000280)=[{&(0x7f0000000100)="be10cb45580c105e6f20546bf9447b8d4d1db675a9b23d32441cca3b93fce93c61bf8d311955bbcb4f0d5bdcabfcc5d6f1bc0124902942b68609617333e9d6c183161333026baca820d2adfcac6bae58dd18fdf29cb98d779a54956b57ad7a943e057c3d8a1aa7e482951546ac3aaa890c6528d4de66a456fbc02055e2bd6b074035171494938724e108aab285b9c4ccf61637e2a23ba334f0e42018e1177ef46be20d6507b796f0111d9263c569759a643077ee4dae90972c400293c10c640a1da8b4458c27dcd9d4afd944a581ee6e5d9bd222", 0xd4, 0xbd}], 0x800, &(0x7f0000000300)={'nouuid,', {[{@filestreams='filestreams', 0x2c}, {@swalloc='swalloc', 0x2c}, {@wsync='wsync', 0x2c}, {@swalloc='swalloc', 0x2c}, {@rtdev={'rtdev', 0x3d, '.'}, 0x2c}, {@noalign='noalign', 0x2c}, {@grpid='grpid', 0x2c}]}}) rt_sigpending(&(0x7f0000000340), 0x8) 2018/05/17 15:02:29 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x0, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:29 executing program 0 (fault-call:2 fault-nth:48): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:29 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0xd8030000}, 0x20) 2018/05/17 15:02:29 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x80, 0x0) ioctl$KDSKBSENT(r2, 0x4b49, &(0x7f00000000c0)="488f07f924ae7f7b210a9b58cb9f8fbb3f80aa54706c965478ea9e3161a1ba31ef907614435a6bcc9fde956cd938778a44aa0fdab5394694e187e237ea1f107f5a820190cceb3595b886b010a0841e76ac4f7d34f85dd50202") r3 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r3, 0x0) [ 240.099289] FAT-fs (loop0): bogus number of reserved sectors [ 240.105239] FAT-fs (loop0): Can't find a valid FAT filesystem [ 240.125531] XFS (loop2): Invalid device [.], error=-15 [ 240.158669] FAULT_INJECTION: forcing a failure. [ 240.158669] name failslab, interval 1, probability 0, space 0, times 0 [ 240.170181] CPU: 1 PID: 18273 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 240.177474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.186842] Call Trace: [ 240.189454] dump_stack+0x1b9/0x294 [ 240.193110] ? dump_stack_print_info.cold.2+0x52/0x52 [ 240.198321] ? perf_trace_lock_acquire+0xe3/0x980 [ 240.203213] should_fail.cold.4+0xa/0x1a [ 240.207309] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.212437] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 240.217478] ? __lockdep_init_map+0x105/0x590 [ 240.222004] ? graph_lock+0x170/0x170 [ 240.225834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.231395] ? put_dec_trunc8+0x273/0x300 [ 240.235566] ? find_held_lock+0x36/0x1c0 [ 240.239666] ? __lock_is_held+0xb5/0x140 [ 240.243779] ? check_same_owner+0x320/0x320 [ 240.248122] ? device_pm_sleep_init+0xe8/0x200 [ 240.252730] ? rcu_note_context_switch+0x710/0x710 [ 240.257692] __should_failslab+0x124/0x180 [ 240.261965] should_failslab+0x9/0x14 [ 240.265789] __kmalloc_track_caller+0x2c4/0x760 [ 240.270481] ? pointer+0xa10/0xa10 [ 240.274062] ? kvasprintf_const+0x67/0x190 [ 240.278329] kvasprintf+0xa9/0x130 [ 240.281900] ? bust_spinlocks+0xe0/0xe0 [ 240.285910] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.290960] kvasprintf_const+0x67/0x190 [ 240.295053] kobject_set_name_vargs+0x5b/0x150 [ 240.299695] device_create_groups_vargs+0x1ce/0x270 [ 240.304745] device_create_vargs+0x46/0x60 [ 240.309014] bdi_register_va.part.10+0xbb/0x9b0 [ 240.313711] ? cgwb_kill+0x630/0x630 [ 240.317450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.323006] ? bdi_init+0x416/0x510 [ 240.326651] ? wb_init+0x9e0/0x9e0 [ 240.330218] ? bdi_alloc_node+0x67/0xe0 [ 240.334209] ? bdi_alloc_node+0x67/0xe0 [ 240.338205] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.343243] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 240.348635] ? _raw_spin_unlock+0x22/0x30 [ 240.352816] bdi_register_va+0x68/0x80 [ 240.356731] super_setup_bdi_name+0x123/0x220 [ 240.361246] ? kill_block_super+0x100/0x100 [ 240.365600] ? kmem_cache_alloc_trace+0x616/0x780 [ 240.370454] ? match_wildcard+0x3c0/0x3c0 [ 240.374603] ? trace_hardirqs_on+0xd/0x10 [ 240.378752] fuse_fill_super+0xe6e/0x1e20 [ 240.382904] ? fuse_get_root_inode+0x190/0x190 [ 240.387484] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 240.392497] ? kasan_check_read+0x11/0x20 [ 240.396640] ? cap_capable+0x1f9/0x260 [ 240.400528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.406065] ? security_capable+0x99/0xc0 [ 240.410207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.415734] ? ns_capable_common+0x13f/0x170 [ 240.420138] ? get_anon_bdev+0x2f0/0x2f0 [ 240.424210] ? sget+0x113/0x150 [ 240.427485] ? fuse_get_root_inode+0x190/0x190 [ 240.432088] mount_nodev+0x6b/0x110 [ 240.435729] fuse_mount+0x2c/0x40 [ 240.439177] mount_fs+0xae/0x328 [ 240.442542] vfs_kern_mount.part.34+0xd4/0x4d0 [ 240.447120] ? may_umount+0xb0/0xb0 [ 240.450742] ? _raw_read_unlock+0x22/0x30 [ 240.454889] ? __get_fs_type+0x97/0xc0 [ 240.458775] do_mount+0x564/0x3070 [ 240.462308] ? do_raw_spin_unlock+0x9e/0x2e0 [ 240.466711] ? copy_mount_string+0x40/0x40 [ 240.470938] ? rcu_pm_notify+0xc0/0xc0 [ 240.474835] ? copy_mount_options+0x5f/0x380 [ 240.479247] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.484266] ? kmem_cache_alloc_trace+0x616/0x780 [ 240.489106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.494639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.500169] ? copy_mount_options+0x285/0x380 [ 240.504661] ksys_mount+0x12d/0x140 [ 240.508296] __x64_sys_mount+0xbe/0x150 [ 240.512273] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 240.517293] do_syscall_64+0x1b1/0x800 [ 240.521179] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 240.526103] ? syscall_return_slowpath+0x5c0/0x5c0 [ 240.531036] ? syscall_return_slowpath+0x30f/0x5c0 [ 240.535970] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 240.541347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.546204] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.551399] RIP: 0033:0x455a09 [ 240.554589] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 240.562294] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 240.569568] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 240.576827] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 240.584091] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 240.591352] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 240.621645] XFS (loop2): Invalid device [.], error=-15 2018/05/17 15:02:30 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000040), &(0x7f00000000c0)=0x40) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x40}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r4 = dup3(r1, r3, 0x0) setsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r4, 0x84, 0x12, &(0x7f0000000100)=0x800, 0x4) socket(0xb, 0x8000b, 0x0) 2018/05/17 15:02:30 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x0, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:30 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000180)="0030a972c909c50900bebb533c6392855d2bc3000000000000000000", &(0x7f0000000140)}, 0x1d) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000140)='/dev/rfkill\x00', 0x4000, 0x0) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000001c0)={0x0, 0x80000}) r4 = openat$cgroup_ro(r0, &(0x7f0000000280)='cpuset.effective_cpus\x00', 0x0, 0x0) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000002c0)={r3, 0x80000, r4}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000080), &(0x7f0000000100)=0xc) 2018/05/17 15:02:30 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x100000000000000}, 0x20) 2018/05/17 15:02:30 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:30 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x400080, 0x0) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000080)) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:30 executing program 2: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vcs\x00', 0x400000, 0x0) getsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffff9c, 0x84, 0xd, &(0x7f0000000080)=@assoc_value={0x0, 0x364}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000140)={0x6, 0x5, 0x9, 0x58, r1}, &(0x7f0000000180)=0x10) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:30 executing program 0 (fault-call:2 fault-nth:49): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) [ 240.689863] FAT-fs (loop0): bogus number of reserved sectors [ 240.695888] FAT-fs (loop0): Can't find a valid FAT filesystem [ 240.714080] FAULT_INJECTION: forcing a failure. [ 240.714080] name failslab, interval 1, probability 0, space 0, times 0 [ 240.725432] CPU: 1 PID: 18301 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 240.732720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.742091] Call Trace: [ 240.744715] dump_stack+0x1b9/0x294 [ 240.748381] ? dump_stack_print_info.cold.2+0x52/0x52 [ 240.753593] ? perf_trace_lock_acquire+0xe3/0x980 [ 240.758476] should_fail.cold.4+0xa/0x1a [ 240.763408] ? mark_held_locks+0xc9/0x160 [ 240.767605] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.772742] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.777522] ? graph_lock+0x170/0x170 [ 240.781368] ? find_held_lock+0x36/0x1c0 [ 240.785459] ? __lock_is_held+0xb5/0x140 [ 240.789574] ? check_same_owner+0x320/0x320 [ 240.793923] ? rcu_note_context_switch+0x710/0x710 [ 240.798882] __should_failslab+0x124/0x180 [ 240.803145] should_failslab+0x9/0x14 [ 240.806970] kmem_cache_alloc_trace+0x2cb/0x780 [ 240.811670] ? refcount_add_not_zero+0x320/0x320 [ 240.816459] device_private_init+0x98/0x230 [ 240.820805] ? virtual_device_parent+0x60/0x60 [ 240.825421] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.830983] ? refcount_inc+0x29/0x70 [ 240.834812] device_add+0xe98/0x16d0 2018/05/17 15:02:30 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) ioctl(r0, 0x80000000, &(0x7f0000000100)="12d531de09cbec2ca5db4919eb6429cbb74723313ec8f2cc31665763ac9d31014ec8c037d87f25abcc5577deecd55ee9ff0ef1e036cdf91d58c040dd91dfd3d3bfd02442ad7558dbaf392fedfa7daacef65067aad5a2fe01339de918fc6783d28ab0ceb22a5b10a9630339ad3ee1cbc85e4170ddc5a0ea7b3b0f7849a5a8e40c738433ef622787cb050202a767cd0646680b2af0c6be6dd973bdc96417d0") r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:30 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:30 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:30 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = memfd_create(&(0x7f0000000080)=')lo\x00', 0x3) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffff9c, 0x84, 0xa, &(0x7f0000000180)={0xffffffff, 0x9, 0x8001, 0x200, 0x2, 0x8, 0x10001, 0x3, 0x0}, &(0x7f00000001c0)=0x20) ioctl$KVM_GET_DEBUGREGS(r0, 0x8080aea1, &(0x7f0000000100)) r2 = socket$inet6(0xa, 0x2000000802, 0x0) setsockopt$inet6_MCAST_MSFILTER(r2, 0x29, 0x30, &(0x7f00000000c0)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, 0x0, 0x40000000}, 0x90) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000280)={r1, 0x2, 0x5, 0x7}, &(0x7f00000002c0)=0x10) r3 = socket$inet(0x10, 0x3, 0x0) sendmsg(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a600800000000000000068354015002c001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d4c1cbc882b079881", 0x4c}], 0x1}, 0x0) recvmsg(r3, &(0x7f0000001580)={&(0x7f0000000000)=@sco, 0x80, &(0x7f0000001440)=[{&(0x7f0000000280)=""/4096, 0x1000}, {&(0x7f0000000080)=""/186, 0xba}, {&(0x7f00000001c0)=""/123, 0x7b}, {&(0x7f0000001280)=""/223, 0xdf}, {&(0x7f0000001380)=""/176, 0xb0}], 0x5, &(0x7f00000014c0)=""/136, 0x88}, 0x0) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) inotify_init() bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r4, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:30 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x80000) ioctl$KDSKBMETA(r2, 0x4b63, &(0x7f0000000040)=0x2) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:30 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x200000000000000}, 0x20) [ 240.838572] ? device_private_init+0x230/0x230 [ 240.843174] ? kfree+0x1e9/0x260 [ 240.846596] ? kfree_const+0x5e/0x70 [ 240.850346] device_create_groups_vargs+0x1ff/0x270 [ 240.855397] device_create_vargs+0x46/0x60 [ 240.859666] bdi_register_va.part.10+0xbb/0x9b0 [ 240.864364] ? cgwb_kill+0x630/0x630 [ 240.868103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.873663] ? bdi_init+0x416/0x510 [ 240.877311] ? wb_init+0x9e0/0x9e0 [ 240.880885] ? bdi_alloc_node+0x67/0xe0 [ 240.884877] ? bdi_alloc_node+0x67/0xe0 [ 240.888873] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.893909] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 240.899213] ? _raw_spin_unlock+0x22/0x30 [ 240.903393] bdi_register_va+0x68/0x80 [ 240.907308] super_setup_bdi_name+0x123/0x220 [ 240.911825] ? kill_block_super+0x100/0x100 [ 240.916172] ? kmem_cache_alloc_trace+0x616/0x780 [ 240.921034] ? match_wildcard+0x3c0/0x3c0 [ 240.925204] ? trace_hardirqs_on+0xd/0x10 [ 240.929385] fuse_fill_super+0xe6e/0x1e20 [ 240.933575] ? fuse_get_root_inode+0x190/0x190 [ 240.938187] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 240.943230] ? kasan_check_read+0x11/0x20 [ 240.947405] ? cap_capable+0x1f9/0x260 [ 240.951331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.956884] ? security_capable+0x99/0xc0 [ 240.961063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.963745] netlink: 'syz-executor7': attribute type 29 has an invalid length. [ 240.966620] ? ns_capable_common+0x13f/0x170 [ 240.966658] ? get_anon_bdev+0x2f0/0x2f0 [ 240.966676] ? sget+0x113/0x150 [ 240.966701] ? fuse_get_root_inode+0x190/0x190 [ 240.966720] mount_nodev+0x6b/0x110 [ 240.994043] fuse_mount+0x2c/0x40 [ 240.997533] mount_fs+0xae/0x328 [ 241.000937] vfs_kern_mount.part.34+0xd4/0x4d0 [ 241.005575] ? may_umount+0xb0/0xb0 [ 241.009222] ? _raw_read_unlock+0x22/0x30 [ 241.013387] ? __get_fs_type+0x97/0xc0 [ 241.017305] do_mount+0x564/0x3070 [ 241.020880] ? copy_mount_string+0x40/0x40 [ 241.025136] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 241.029925] ? retint_kernel+0x10/0x10 [ 241.033856] ? __sanitizer_cov_trace_const_cmp8+0xf/0x20 2018/05/17 15:02:30 executing program 6: openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/syz0\x00', 0x200002, 0x0) r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) [ 241.039329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.044914] ? copy_mount_options+0x285/0x380 [ 241.049543] ksys_mount+0x12d/0x140 [ 241.053200] __x64_sys_mount+0xbe/0x150 [ 241.057190] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 241.062228] do_syscall_64+0x1b1/0x800 [ 241.066130] ? finish_task_switch+0x1ca/0x840 [ 241.070646] ? syscall_return_slowpath+0x5c0/0x5c0 [ 241.075597] ? syscall_return_slowpath+0x30f/0x5c0 [ 241.079411] netlink: 'syz-executor7': attribute type 29 has an invalid length. 2018/05/17 15:02:31 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x1000000}, 0x20) 2018/05/17 15:02:31 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x200000, 0x0) getsockopt$bt_BT_RCVMTU(r0, 0x112, 0xd, &(0x7f0000000080)=0x8, &(0x7f0000000100)=0x2) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) sendmsg$key(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000140)={0x2, 0x15, 0x80000000, 0xb, 0x4, 0x0, 0x70bd29, 0x25dfdbfd, [@sadb_x_sa2={0x2, 0x13, 0x6, 0x0, 0x0, 0x70bd2a, 0x3507}]}, 0x20}, 0x1}, 0x40) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r0, 0x40405515, &(0x7f0000000280)={0x7fff, 0x7, 0x9, 0x4, "2ceabc1031bea3a57769000dc97b542c14bc28519c45723a65c692f6247e443b6ef4c97c78ae8e4b16450842", 0x3}) 2018/05/17 15:02:31 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000000040)=[{&(0x7f00000000c0)='0', 0x1}], 0x3ba, 0x0) 2018/05/17 15:02:31 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={0xffffffffffffffff, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 241.080553] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 241.080585] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.080618] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.080633] RIP: 0033:0x455a09 [ 241.080647] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 241.114286] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 241.121573] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 241.128856] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 2018/05/17 15:02:31 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 241.136143] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 241.143429] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 241.184746] netlink: 'syz-executor7': attribute type 29 has an invalid length. [ 241.275466] netlink: 'syz-executor7': attribute type 29 has an invalid length. 2018/05/17 15:02:31 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000000c0)='cpuset.sched_relax_domain_level\x00', 0x2, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:31 executing program 2: r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x8}, 0x10) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000280)={r0, &(0x7f0000000100)="4a739a3e55c74482ef85bd86bd891b5a3fbbdde28b7ab959fa114e62c570cae9c97111097d8785809df3c31f734a15872ee6b7ddc827d0e15138975750aede1fe4", &(0x7f0000000180)="0d727eb1f934c0eab5a68f72f775873bd79c8e2a82447f1a4e1ccd0d5fdb63466b93fccad468610d8be3a8f8429129390c6acd8b3393d00e14c2646eba21895ac8329775974b195ec54d63f0662952efc8fe6356405057de4b9adcb5b5f4fb6cdf", 0x2}, 0x20) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000300)='./cgroup/syz0\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:31 executing program 0 (fault-call:2 fault-nth:50): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:31 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x2000000}, 0x20) 2018/05/17 15:02:31 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:31 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = syz_open_dev$mouse(&(0x7f0000000080)='/dev/input/mouse#\x00', 0xd0, 0x84200) sendmmsg$nfc_llcp(r1, &(0x7f0000003cc0)=[{&(0x7f0000000100)={0x27, 0x1, 0x1, 0x7, 0x8, 0x40, "268aae3baa88f8eadc3c8044606d93e1b52369c4147ac0395bb082895f4619d44f05b75b3eb6fb97facafa53c4d1897e744fb941b5dc60a49aed997e7fb67b", 0x25}, 0x60, &(0x7f0000000680)=[{&(0x7f0000000280)="45af7a4f724c278ce6c2244f2af96123c583ab63bbe89d10e9310fe2bd5051b73f5a2984ee334b1ca2831182e06fb1f8b39680d9b2a60c85d85b2fce2f9ad2205fa0f8b86e3823aee13f3e627106e50c97a52228f58b5c5ba54d44e09de4e35677c7bc4f094729b8ffca1687db4893e46b68adb4302f46c42d1193eab423cb8508e90d52f3fb5944bbf1449345939e106bc3a8aaad0dbd7d9d10193edd7aea82b3bae516dff4743a5596e1b9faaccf345e205c1c", 0xb4}, {&(0x7f0000000340)="ee8e4923b09e42194e76c1c6247a1c87efb2c9a1ac5b6caf66d5d12c48e0ea7f22ad59c80c4d8ba05c3808dc5a49f5d6bec55d2d6afb80fdb34597e4485ce3aa78841484419a61166646cada692e4b2665b0b690561e30c16661a508b94deb1cc882edbc6a4b3deb145d256f8b65b65fb60866f86e4706218fd72bae7598e452f608821d402ba4a0eee05f24a37dcf04be66307cf911ef468f5f2c7b4de0561ed30a6580e02c91bf51d6c8cd28", 0xad}, {&(0x7f0000000400)="49c5ae85b109434c446a89df8df4a70b1978e75ca5427f88e8120f39987d69dd81cb8c366876597daa474aca4458021c6f7407d20707899c8748227f2236f97d5b834d80508f1937d0fe529b0f72a35e34cb01afb5c7a454276ab469c148570725eb7aec6cd3242b2186df14ad67ad6bb9d5c51dea61d2183e40368db88bd5e23320b1767a2545595eb0307be91e38859e80c1ea0b47fad25d7370a8a88c052d35ed0cb84badf6db28ba53a0c6fd2858affa8b3b64cc01a728ab429d254c19bb7efe7da557817ec5fd246f0d", 0xcc}, {&(0x7f0000000500)="ebacd034050e1e53adfe01b989a125013a6a6dd16a573c5ef607044489cdf8a222334a75db7c882086d7e6fad50fa6cac02d7eaab9cd8ad00b25f2e2165a7331e4f86a59aee09493c7949efba9e30812e2da57351b6b6d2822ef39e0c5a5b9712f10ea06a3e76536a6f450caa7ebc2fdc63a3f1d55471069798f8293e0c8a24a2b84dab6299ac4302dfe1a27751a585e7beb87eccbccc53da2ece80bd51c177579864eea198b7f578747f7a78fc822005aa9c5fd90b6617da765b74facf9366338e39fb0bec28fb803c043e063eb61fffd2dfad8d657ccc442a7a192d19104c4b3b21bc4372f69eaef102a9e7c19c44019b04862c32de7bf38", 0xf9}, {&(0x7f0000000180)="fd7d6ee6063698dd2c5746b2a50c", 0xe}, {&(0x7f00000001c0)="362d4b68f1eec16a9692337919d3aab247506ee982e5e5e3f2e6ef99d6c00d6d4b", 0x21}, {&(0x7f0000000600)="3726ee4999fb2b6cd2a751483e47a0dec8f4b6ddf500987637d50ef63a4f0886e5d8e744af73c0a74edc9ae92375275859a1f634d05fb838ac98ccc2de193fea49374034cf503720e07726ec84aff72239a353e40e4a82d6283cfb38e1585baef1b21774", 0x64}], 0x7, &(0x7f0000000700)={0x18, 0x111, 0x80, "0eff6a"}, 0x18, 0x4}, {&(0x7f0000000740)={0x27, 0x1, 0x2, 0x6, 0x4, 0x8, "1dcdd098beeb1a2eaed9cfce3030e09367ec300e51a9f0d3bf967c725d045d31f8fc888b1e7019691156fc92da5cccd99e95b0a3038d15119709b3298172ac", 0x2e}, 0x60, &(0x7f0000000900)=[{&(0x7f00000007c0)="f1448b36f9bce86ab98fa2d16bf8fe6acf52b1166aa0778c422b819d7a74ec311e22eff9fbeeaf1bd2efab329c8fb2e8c7c1ebd5615f7f9e4325369038d34e7af480e5c62ae1af35db73a6f0f7b69a0b1ba95daf7fd184b879b481defafbda9ca2ad164c5a930c64063bb7f497a39fd10767e7388d6b6a", 0x77}, {&(0x7f0000000840)="aaccbf40674f0ce75abe9eedfad1d18fc8170ca73362ed1bf7b2cfdfd5ab81cef968d06e6c9c1a6d12870e15f1dac1c97fdab6993034ff6ac59dfedfc9903c01f5c285b8a8cd24fc362d34d1e75f5ce77214e002377b9cc28fa271195bb4bb4a9087f53e7ea80bfa34b0d4d0d8efe51ec3c84ec9c15d0175e773130853e21bc3b72130fb8bd50db826d2d529dc1b71d016c4e12b36208fc69e3ec29a329f871b7751328a6eb8424b33", 0xa9}, {&(0x7f00000014c0)="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0x1000}], 0x3, 0x0, 0x0, 0x4040810}, {&(0x7f0000000940)={0x27, 0x1, 0x1, 0x5, 0xffffffffffffff81, 0x976, "45a5ed7af795cb677d3c239af40677dcb59d153f8c51e98e3ee642dacb052a08905bf1ec1b93a3724036e268202d56157acb35da81f387aeaf4fef7f16cd8a", 0x3a}, 0x60, &(0x7f0000000ac0)=[{&(0x7f00000009c0)="b896d4bcd6acb0e1219d1ed3b589f69889416d45da1c3d75d969a4c031e73a55f8bf7fe589b3f49baaf2c5d5125494738dbd725f151745682333846b2a1bb040f794bfc18c86c9be8f2cd3822853d80eba33346db33e3253ee853744717493e52dc07da164a51d2f6c1e5b62512d234e63e5cc28cf9daacbdddff003dac90c3dcdd86977c9ec916dc0f64bd5a0e070f57c059e500189b44734dacacb81953953d61e7d21c8", 0xa5}, {&(0x7f0000000a80)="5d4901be8255fb46023d3ce38033d0dcd2561acb4b888990122589af66", 0x1d}], 0x2, &(0x7f0000000b00)={0x98, 0xff, 0x60c, "5e58316c0546c477e19a1b0ec6f790cac5283dce94b738ff93aa68eb3fa76a953fc7f3bda99d69e902382dcbe75e3eb584be156c75adfb0c2653e7e6b31f4f93cdcda89f908f26bda11121cef7956572144554d5093acc2e4ae8900d3d9bb6dcdb3813ed4bed53dfbb9d639db27f485a7f2b0a9d483d76ab4e7e87cd49a1c67383"}, 0x98, 0x4008000}, {&(0x7f0000000bc0)={0x27, 0x1, 0x1, 0x7, 0x7f, 0x1000, "f5afef7264945895fc96610643c6659c6d6c9b7dc00f154286a28bfc4f15c4bc606e2aa72f0984185bab49b3ec40e9be06d2f944b1d4e604907ef65c5bd06e", 0x2b}, 0x60, &(0x7f0000000f00)=[{&(0x7f0000000c40)="4d0bc67780aebbe2412ee2bf1689ecc3bbed2e05d34a569adb384be1e9b5275609f2f07556868d26c9e35c0d8ec6d6c6aa20d61cde4825aa7b142bdd3e9b417adb9747e0834a", 0x46}, {&(0x7f0000000cc0)}, {&(0x7f0000000d00)="2944f1c2abf4fd6c3fabf2a0faa04b7db11b9d8cb668c1af176d45c3d2e19e73b885d34cb4ef115a0011cb2720360423b1afdbedbe4458414461681f15961e5725602e9849ff42d7272c632b746489986bef5a5c483f3923a0fa66c6a3c6c5e68e8d460456952a910b9b2703c60104636ead55a729c8f7c769edeae874c484b829cb22ba09c11c5a0ccec0a0f006a8dcbf56391a614c89d5df824b8c41adcf82e292d28edfb7662b733cad8b0a3eb52668cb3250fb97c000ed9dbf17dfa1c63efe072a6aa49c16eab591555f9ebebd0a3a1f8ceef2638ca77e", 0xd9}, {&(0x7f0000000e00)}, {&(0x7f0000000e40)="2b3abca8405eef53775792a637a9305058a75f1cafe3ad43f78fc73e3465df07a800775b2e1b7a7fc1aeab731a369d159351cb6a3b6a7a7211b90e9dded73f0013d426b5dd9cfce4e8d4c7f5dbe4265dedf0646a49509974f2bda61139115ed1882244ca1b441bb4b10201dead4b6a58426205b56416b3565f6cb78422398a7f5c4a3db7ba822729f0dfcab3c6b808d8c595bd7cf4", 0x95}], 0x5, &(0x7f0000000f80)={0x10, 0x0, 0x1}, 0x10, 0x9be4d8419cf50350}, {&(0x7f0000000fc0)={0x27, 0x1, 0x0, 0x4, 0x0, 0x81, "85c9bc7dd93ca21a08063e9d9f45c43fa47c22de54858c790d5fee5e85710e824f7615be100c1240e34dae8944351ed3fb9e8b71e7637c8623fef0dd5eced3", 0x30}, 0x60, &(0x7f0000001340)=[{&(0x7f0000001040)="c435bfd403eba8a240b74151ad0aa374022d8e64ac2eda0a9ec8fd1a36b8a4541882b93de0068fc1cccc7422f3c8f28056c1348a80c4563e2dfee81370292ed9dc4b1f089f93c452eedac43c4b62724d27d14c72f90f26601e1294c2f08236094c9d4d2108b786968f484ae161f793349a", 0x71}, {&(0x7f00000010c0)="4aa626c1a854cbab6277c3332acad9fb585446398feb9ff637f98a8ae976384d425040b44a5b066c4697feeaa8f179c0f1da114875377efaa41edce13ca32f8697670970a127eb8590fbafed73a8103fe1d7e211fcb7fddc9d81ceaa046386d45185a8d3b808e59027a11125ef62e9e0bbd8f7a0deb5d775ff2acbc2720dfc5feaf5b5a74c8d42704a47c3", 0x8b}, {&(0x7f0000001180)="853a8e2986dc2464741758d2af6c4c9c40471752a692cb5f096b2b7efe3914e12a29955997fc2972ca9eb59bd94d97451a5681c0684baa2cd8b78206775367b03d61fc53176eb7b9cbd47d84d939be591498f460678ee73ba98181fce67cb3caf487edfb56a6521df0e550c828d089df09c4f87b3c833747443abc6418fe0d26866586c6b42199d2616268893ab6c347fff18ed9f5502b2163b395d11c20e878d9dba39692e9b5a6070217a557f6d072ca3544dc35f6c6fa78395da8ef8834239ea9e4ebad1a60cf0dde6fa8c9862e49bee6c7f963ff0b01db81b0a35589a66f992002c950e0f27e233db168f113fd7cfea3e7044609d6", 0xf7}, {&(0x7f0000001280)="f88d32ccd0509bd34435d110979bbbabf1daf4c456e367cb77b814f24359fda0163260d9ee09ebe20486bccec87020e496e538ddec979a5338ace5d0adbb397edddf99e987d6db7b38297c5ff4bc9190543ea5046830c67f11adbe162f59f8321b385c8fc8aa838fd36df74c0f3127f3ead22f068af0b5f782ec9a2930b0f0e5edff8680cd24a162c202d981cc450414b95db02d0a", 0x95}], 0x4, &(0x7f0000001380)={0xd8, 0x3a, 0x9, "d04976d8b2688fa0921efa2d6cb9a21afc28efe1348e6d1049254d9da5b94ad3b89cc508278eff1d1018564d93bb8d5642c21bbfa082bdcf402af38b116ec2b49bb841e66cfdb0f923ba3f1c409d8ef7a1d1b8aa2ddf731da8e7635209052a4e8490834967dcbbeef6be95c2168e7e0d5c909cab0fad0df4ca5adb9cdb8139c2a63081d5a3b1c98c770b5890f6043f10fb7db3b32f83f26d71b6560c65a180790575be864903dcf98333f484dc708b7011f4dc0964acf9e3d8db221f32064149d3019e8569f3"}, 0xd8, 0x4000000}, {&(0x7f00000024c0)={0x27, 0x0, 0x0, 0x6, 0x1, 0x80000000, "53a27b8f9b89d9d418133ef8e3836a242cf91dbb97c0d50394bbbcc4e40e077542c42a9b4ece4f1271c2a438867f61bc53f54c9b7e24d65de75862973621a3", 0x18}, 0x60, &(0x7f0000003800)=[{&(0x7f0000002540)="b16d08e1089393d0cb03d190ff2634beada94434c6f0a8acab41231603427c9c2f44b0eab193346d6cbef2aa36a3d4ca15574cf84c7ef53cbfab32509c36da3f374f86243b9acab9dd88f647ba388c3444d1ab9daf4589b63b5046a115d94b5bd1fb88723e05bc8f02061a92ac20083dd6f38c8d747fa6ed5720a4b6b7deb099477fdb9d6b383a8db34d21699f27a8d9b447cd270dac33b7cdc1ec3aadf562db4d5a2c2cb9212d78f33834e442ebc8d6d3c747f05163f4dcfa3853d1785746be00b6bf538b73ad30528d21586e347260aaf38f772160e25e", 0xd8}, {&(0x7f0000002640)="8971f93cc43e345a3acd72a22437ce3bf746d4ab5d17bdf55278a57ecb71ed7be9376ead2b604d9c50e583d14bd4f4e8bb27b990e6bbfc53d0cae3e2155f15cf178beeaf533f3d1191fe25cd7bb30c71126d8cdcf5e42ccfd7cee4dfffee1086bb1a9a17d7633825a17245e924ae869264cf15a45e693f555f9e7a882e864633cbb86279d80ff21311d6913a57f879efecffe2fc45490cca1e42b15b45591df9a7ec4b564de8b0f39c73f0c689ac17a6a4343a00458c5536769a322e4e", 0xbd}, {&(0x7f0000002700)="c0aab1054a3656e6a8112703", 0xc}, {&(0x7f0000002740)="b4f08f681cbc839814a4d9d23785491731b80433b198f61b4cc84039fe465ec9955d733dc88ffea0499bfa3af24710501dbcc39f153578981e598ecb6b994193e9a02a918a107ea6b89ee95b4708a73c5ecb9c4b8235bc743a7da9c0f99db908e3e0280e089f401647cc687cdec107689e776f7857b09264fecf3b4bb34e4e064158338aae4bc3", 0x87}, {&(0x7f0000002800)="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0x1000}], 0x5, 0x0, 0x0, 0x4000}, {&(0x7f0000003880)={0x27, 0x0, 0x0, 0x0, 0x9, 0x1, "59dd91f0344c06d4ea60dcf1783ab1981214cacc3e9e59adb93d89d3e32744fb55659e27e6ea804b76d789055571694f335cd17feee6f8f984125bffa65fbd", 0x7}, 0x60, &(0x7f0000003b80)=[{&(0x7f0000003900)="6346a849f26ac917cf210e5a44bafed58b77968c1642253a2a55feffdcc4cd2f1b7f479fc2ae968df47e301fa1a5d587f3e802a45237b6358fce47c083596a12ae7be247ad4161a4ba23a24be04a061dbfcbc0e4a9e722104a76773519a15fdd0cbf56e293da0aff049c28f5ab0761a82d28ab6940d2b3b2186c10", 0x7b}, {&(0x7f0000003980)="cb0ddc9379c41ac3a65dbeb309977b7cdd985627cd08386c39a4e53bd2d3c758dd4a931b7908552d8827240c1ef96e68d8321408f4e9be6a24acf06926917c83ff5f5aa5615c79e37899c1f0b9f1b61d00c35f7dd7fe8324ace8644dec9053e8f47db45d4b1e607d6df1db9f722d6d754dbe907e769c0ef6c1eafee35b208aaf007f74e43aaa30b2ffdd285932727b8e77e7b0d8d52148206d44dc47e84b63519f0396dc58370b6001d2ab49214bd00a3b8b4e365aece1154fed4d5433f9080e17c2f38491b6b96bf756433113f1d63937f2b62aaf0b342b5c9c4ca2ba4c0758ad197aca6b4376a00f9c3fd8a1c2bf20ce994b084c", 0xf5}, {&(0x7f0000003a80)="f8c51d69a57e28db3f430e9645a35503a4eca49c005a5e0eb9d651ebd212fe999a8f5a652be024a6a15c83439a3ecf0e00a92afe258fb22fc9bef77e09083c43b720c72ae4ccd6898e753463b1c80117ac7bb150d36851ce1f24211db9c486b0a810bcda1eaa4783ab997044a6c78e6644fd13658b7e636b0eb9fb8959b7dedd1a58418c5853d609ec3124d7bd9e86be607a5f6328180440e1e9257cc4cdf9d80518a33706ea22a7c7944bd210b4c79982d10656f112b48a02ab4cbdd4662b1b33a4fc2811e74831ba8a860126c05f42537e9f21aa26b3e7ef07104705e0905c19290f416fd44251ae51b355fcd3f9fd9ef4736c6d", 0xf5}], 0x3, &(0x7f0000003bc0)={0xc8, 0x0, 0x3ff, "c649c795d6a19f83eefdb4ca4fec7ba48f5312e8d69eca8014ca027e4847a83b5b22346b481be26824e90066b55aacdafc341489cd2b04f1a779420f5b2278f622ba74759cc4ccd1299c043e60eacf1ec120ccc60dc28290f01d628c5c3141e9602dcabce3c146992c01b4977ddf4a5705cf6fe3b525c46044f09711aefffba0e9e24e385f46bc49584d1703610c0b66427c4eaa51c23ee21e462ccca75df0e20c6ac889b994883f4044cadd2146dd509eda93f0f7a040a7"}, 0xc8, 0x200408d4}], 0x7, 0x4000840) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='cgroup.max.descendants\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:31 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x2, 0x1, 0xffffffffffffffff, 0x101}, 0x2c) r2 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0xffff, 0x0) epoll_ctl$EPOLL_CTL_DEL(r2, 0x2, r0) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:31 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(0xffffffffffffffff) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:31 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84800) mkdirat(r1, &(0x7f00000000c0)='./file0\x00', 0xe164ae079b91dd20) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup/syz0\x00', 0x200002, 0x0) ioctl$sock_ifreq(r2, 0x8994, &(0x7f0000000140)={'dummy0\x00', @ifru_settings={0x3, 0x8, @fr=&(0x7f0000000100)={0x3, 0x7, 0x0, 0xcf7e, 0x9, 0x4, 0x897}}}) bind$inet(r1, &(0x7f0000000180)={0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) r3 = openat$cgroup_int(r1, &(0x7f00000002c0)='cgroup.clone_children\x00', 0x2, 0x0) dup3(r0, r3, 0x0) fcntl$getownex(r0, 0x10, &(0x7f0000000080)={0x0, 0x0}) process_vm_writev(r4, &(0x7f0000001640)=[{&(0x7f00000001c0)}, {&(0x7f0000000280)=""/59, 0x3b}, {&(0x7f0000000300)=""/207, 0xcf}, {&(0x7f0000000400)=""/172, 0xac}, {&(0x7f00000004c0)=""/236, 0xec}, {&(0x7f00000005c0)=""/4096, 0x1000}, {&(0x7f00000015c0)=""/69, 0x45}], 0x7, &(0x7f0000002940)=[{&(0x7f00000016c0)=""/4096, 0x1000}, {&(0x7f00000026c0)=""/156, 0x9c}, {&(0x7f0000002780)=""/156, 0x9c}, {&(0x7f0000002840)=""/236, 0xec}], 0x4, 0x0) [ 241.480732] FAT-fs (loop0): bogus number of reserved sectors [ 241.486681] FAT-fs (loop0): Can't find a valid FAT filesystem [ 241.540273] FAULT_INJECTION: forcing a failure. [ 241.540273] name failslab, interval 1, probability 0, space 0, times 0 [ 241.552489] CPU: 1 PID: 18377 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 241.560269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.560321] Call Trace: [ 241.560349] dump_stack+0x1b9/0x294 [ 241.560377] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.560420] should_fail.cold.4+0xa/0x1a [ 241.560447] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/05/17 15:02:31 executing program 1: r0 = open(&(0x7f0000000080)='./file0\x00', 0x408000, 0x0) ioctl$BLKREPORTZONE(r0, 0xc0101282, &(0x7f00000004c0)={0x7f, 0x2, 0x0, [{0x3, 0x200, 0xd16, 0xfff, 0x1, 0x20, 0x80}, {0x3, 0x6, 0x1, 0x8, 0x5d7e, 0xffffffffffffff60, 0xffffffff}]}) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) read(r1, &(0x7f0000000100)=""/202, 0xca) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r4 = openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x440, 0x0) ioctl$KVM_SET_FPU(r4, 0x41a0ae8d, &(0x7f0000000300)={[], 0xff, 0x800, 0x1, 0x0, 0x4, 0x6000, 0x1f001, [], 0xffff}) 2018/05/17 15:02:31 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x5000000}, 0x20) [ 241.560498] ? perf_trace_lock+0x495/0x900 [ 241.560522] ? perf_trace_lock_acquire+0xe3/0x980 [ 241.560549] ? zap_class+0x720/0x720 [ 241.560571] ? perf_trace_lock+0x900/0x900 [ 241.560596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.560619] ? graph_lock+0x170/0x170 [ 241.560659] ? print_usage_bug+0xc0/0xc0 [ 241.560685] __should_failslab+0x124/0x180 [ 241.560708] should_failslab+0x9/0x14 [ 241.560725] kmem_cache_alloc+0x47/0x760 [ 241.560751] ? lock_downgrade+0x8e0/0x8e0 2018/05/17 15:02:31 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:31 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffff9c, 0x84, 0x11, &(0x7f0000000100)={0x0, 0xffffffffffffff52}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000180)={r2, 0xce5a, 0x1}, 0xc) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r4 = openat$cgroup_int(r3, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r5 = dup(r4) ioctl$TUNSETVNETHDRSZ(r5, 0x400454d8, &(0x7f0000000040)=0x100) pwritev(r4, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:31 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 241.560776] radix_tree_node_alloc.constprop.19+0x1e6/0x310 [ 241.560804] idr_get_free+0x891/0x10a0 [ 241.560849] ? radix_tree_clear_tags+0xc0/0xc0 [ 241.560872] ? unwind_get_return_address+0x61/0xa0 [ 241.560894] ? __save_stack_trace+0x7e/0xd0 [ 241.560931] ? perf_trace_lock_acquire+0xe3/0x980 [ 241.560948] ? save_stack+0xa9/0xd0 [ 241.560969] ? save_stack+0x43/0xd0 [ 241.560990] ? perf_trace_lock+0x900/0x900 [ 241.561016] ? kobject_add_internal+0x354/0xac0 [ 241.682053] ? device_create_groups_vargs+0x1ff/0x270 [ 241.682072] ? device_create_vargs+0x46/0x60 [ 241.691673] ? bdi_register_va.part.10+0xbb/0x9b0 [ 241.696536] ? bdi_register_va+0x68/0x80 [ 241.700623] ? super_setup_bdi_name+0x123/0x220 [ 241.705316] ? fuse_fill_super+0xe6e/0x1e20 [ 241.709656] ? mount_nodev+0x6b/0x110 [ 241.713498] ? mount_fs+0xae/0x328 [ 241.717060] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 241.721835] ? do_mount+0x564/0x3070 [ 241.725564] ? ksys_mount+0x12d/0x140 [ 241.729382] ? __x64_sys_mount+0xbe/0x150 [ 241.733549] ? do_syscall_64+0x1b1/0x800 [ 241.737627] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.743008] ? print_usage_bug+0xc0/0xc0 [ 241.747108] idr_alloc_u32+0x1f9/0x3d0 [ 241.751028] ? __fprop_inc_percpu_max+0x2c0/0x2c0 [ 241.755895] ? lock_acquire+0x1dc/0x520 [ 241.759886] ? __kernfs_new_node+0x10e/0x580 [ 241.764309] ? __lock_is_held+0xb5/0x140 [ 241.768401] idr_alloc_cyclic+0x167/0x340 [ 241.772578] ? idr_alloc+0x1a0/0x1a0 [ 241.776316] ? kasan_check_write+0x14/0x20 [ 241.780572] ? do_raw_spin_lock+0xc1/0x200 [ 241.784842] __kernfs_new_node+0x1a3/0x580 2018/05/17 15:02:31 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) fcntl$F_GET_RW_HINT(r0, 0x40b, &(0x7f0000000100)) r2 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000080)='/dev/uinput\x00', 0x400, 0x0) getsockname$packet(0xffffffffffffff9c, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f00000002c0)=0x14) ioctl$sock_inet6_SIOCSIFADDR(r2, 0x8916, &(0x7f00000001c0)={@ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x11, r3}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 241.789103] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 241.793899] ? lock_downgrade+0x8e0/0x8e0 [ 241.798086] kernfs_new_node+0x80/0xf0 [ 241.802005] kernfs_create_dir_ns+0x3d/0x140 [ 241.806442] sysfs_create_dir_ns+0xbe/0x1d0 [ 241.810798] kobject_add_internal+0x354/0xac0 [ 241.815326] ? kobj_ns_type_registered+0x60/0x60 [ 241.820112] ? lock_downgrade+0x8e0/0x8e0 [ 241.824284] ? refcount_add_not_zero+0x320/0x320 [ 241.829068] ? kasan_check_read+0x11/0x20 [ 241.833238] kobject_add+0x13a/0x190 [ 241.836969] ? kset_create_and_add+0x190/0x190 [ 241.841581] ? mutex_unlock+0xd/0x10 [ 241.845325] device_add+0x3a5/0x16d0 [ 241.849075] ? device_private_init+0x230/0x230 [ 241.853676] ? kfree+0x1e9/0x260 [ 241.857064] ? kfree_const+0x5e/0x70 [ 241.860802] device_create_groups_vargs+0x1ff/0x270 [ 241.865848] device_create_vargs+0x46/0x60 [ 241.870114] bdi_register_va.part.10+0xbb/0x9b0 [ 241.874810] ? cgwb_kill+0x630/0x630 [ 241.878549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.884106] ? bdi_init+0x416/0x510 [ 241.887755] ? wb_init+0x9e0/0x9e0 [ 241.891323] ? bdi_alloc_node+0x67/0xe0 [ 241.895312] ? bdi_alloc_node+0x67/0xe0 [ 241.899309] ? rcu_read_lock_sched_held+0x108/0x120 [ 241.904349] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 241.909653] ? _raw_spin_unlock+0x22/0x30 [ 241.913826] bdi_register_va+0x68/0x80 [ 241.917717] super_setup_bdi_name+0x123/0x220 [ 241.922230] ? kill_block_super+0x100/0x100 [ 241.926553] ? kmem_cache_alloc_trace+0x616/0x780 [ 241.931397] ? match_wildcard+0x3c0/0x3c0 [ 241.935546] ? trace_hardirqs_on+0xd/0x10 [ 241.939703] fuse_fill_super+0xe6e/0x1e20 [ 241.943881] ? fuse_get_root_inode+0x190/0x190 [ 241.948472] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 241.953494] ? kasan_check_read+0x11/0x20 [ 241.957647] ? cap_capable+0x1f9/0x260 [ 241.961546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.967079] ? security_capable+0x99/0xc0 [ 241.971230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.976773] ? ns_capable_common+0x13f/0x170 [ 241.981185] ? get_anon_bdev+0x2f0/0x2f0 [ 241.985244] ? sget+0x113/0x150 [ 241.988525] ? fuse_get_root_inode+0x190/0x190 [ 241.993106] mount_nodev+0x6b/0x110 [ 241.996749] fuse_mount+0x2c/0x40 [ 242.000205] mount_fs+0xae/0x328 [ 242.003582] vfs_kern_mount.part.34+0xd4/0x4d0 [ 242.008166] ? may_umount+0xb0/0xb0 [ 242.011791] ? _raw_read_unlock+0x22/0x30 [ 242.015941] ? __get_fs_type+0x97/0xc0 [ 242.019835] do_mount+0x564/0x3070 [ 242.023394] ? copy_mount_string+0x40/0x40 [ 242.027625] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 242.032644] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.037406] ? retint_kernel+0x10/0x10 [ 242.041304] ? copy_mount_options+0x1a1/0x380 [ 242.045804] ? copy_mount_options+0x1d4/0x380 [ 242.050295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.055837] ? copy_mount_options+0x285/0x380 [ 242.060361] ksys_mount+0x12d/0x140 [ 242.063990] __x64_sys_mount+0xbe/0x150 [ 242.067963] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 242.072983] do_syscall_64+0x1b1/0x800 [ 242.076870] ? finish_task_switch+0x1ca/0x840 [ 242.081365] ? syscall_return_slowpath+0x5c0/0x5c0 [ 242.086297] ? syscall_return_slowpath+0x30f/0x5c0 [ 242.091233] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 242.096601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.101456] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 242.106639] RIP: 0033:0x455a09 [ 242.109822] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 242.117531] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 242.124799] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 242.132064] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 242.139329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 242.146593] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:32 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x2}, 0x20) 2018/05/17 15:02:32 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = socket$alg(0x26, 0x5, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000680)="c626262c8523bf012cf66f") bind$alg(r1, &(0x7f000065ffa8)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(cast6)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000000100)="0022f8ff020000000000000000000000", 0x10) r3 = accept$alg(r1, 0x0, 0x0) sendmmsg$alg(r3, &(0x7f0000000180)=[{0x0, 0x0, &(0x7f0000000280)=[{&(0x7f0000000300)="c888f232ccb87523ec303592fc84f17599fd65116d9a2086934ff21f6be38f89d12f857b7504d44f22708264731f4ac52ccb8d34aca73a9524e13e323c7496edcba8f5121af072ffa356d3a89ee9be739b6ed4aaaa2ed0d094668921681f86f8b172637eb34cc37e248a81f5cd1af5ced4b91c82a67033617d7acddb928a4c121770378dd21c761048584ae6ccd55a8d", 0x90}], 0x1}], 0x1, 0x0) recvfrom$ax25(r3, &(0x7f0000000400)=""/239, 0xef, 0x0, &(0x7f00000001c0)={0x3, {"310601346e6274"}}, 0x10) r4 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r4, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r5 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={r0, 0x6, 0x1, 0x6, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5}, 0x20) getsockopt$sock_int(r5, 0x1, 0x21, &(0x7f0000000100), &(0x7f0000000140)=0x4) 2018/05/17 15:02:32 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(r0, 0x4008240b, &(0x7f0000000040)={0x0, 0x70, 0x4, 0x400, 0xe4, 0xfff, 0x0, 0xbd, 0x2, 0x2, 0x100, 0x7, 0x6, 0xbc9d, 0x7fffffff, 0x0, 0x100000000, 0x81, 0xfffffffffffff000, 0x2, 0x7, 0xe20, 0x10001, 0x10000, 0x7, 0x5, 0x0, 0x9d, 0x3, 0xfffffffffffffff8, 0x7fff, 0x100000000, 0x7, 0x4, 0x5, 0x1f, 0x97c, 0x9, 0x0, 0x82, 0x0, @perf_config_ext={0xfffffffffffffffa, 0x2c}, 0x8000, 0x0, 0x4, 0x0, 0x401, 0xfffffffffffffffa, 0x81}) 2018/05/17 15:02:32 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:32 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:32 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000080)='/dev/usbmon#\x00', 0x1, 0x500) ioctl$VHOST_GET_FEATURES(r1, 0x8008af00, &(0x7f0000000100)) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) sendfile(r2, r0, 0x0, 0x3f) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:32 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = dup3(r0, r2, 0x0) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_SET_INFO(r3, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0xc0, r4, 0x200, 0x70bd29, 0x25dfdbff, {0xe}, [@IPVS_CMD_ATTR_DEST={0x50, 0x2, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x8001}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e23}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@remote={0xac, 0x14, 0x14, 0xbb}}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0xffffffffffff55b8}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x5}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x63}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e24}]}, @IPVS_CMD_ATTR_DEST={0x14, 0x2, [@IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e24}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0xff}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x7f}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xc1}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x10001}, @IPVS_CMD_ATTR_DAEMON={0x30, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth1\x00'}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e21}]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x400c000}, 0x40) 2018/05/17 15:02:32 executing program 0 (fault-call:2 fault-nth:51): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) [ 242.334395] FAT-fs (loop0): bogus number of reserved sectors [ 242.340334] FAT-fs (loop0): Can't find a valid FAT filesystem [ 242.368631] FAULT_INJECTION: forcing a failure. [ 242.368631] name failslab, interval 1, probability 0, space 0, times 0 [ 242.379987] CPU: 1 PID: 18435 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 242.387286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.396654] Call Trace: [ 242.399272] dump_stack+0x1b9/0x294 [ 242.402944] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.408160] ? perf_trace_lock_acquire+0xe3/0x980 [ 242.413049] should_fail.cold.4+0xa/0x1a [ 242.417148] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.422290] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 242.427424] ? graph_lock+0x170/0x170 [ 242.431261] ? find_held_lock+0x36/0x1c0 [ 242.435352] ? __lock_is_held+0xb5/0x140 [ 242.439463] ? check_same_owner+0x320/0x320 [ 242.443809] ? rcu_note_context_switch+0x710/0x710 [ 242.448755] ? kasan_check_write+0x14/0x20 [ 242.453022] __should_failslab+0x124/0x180 [ 242.457282] should_failslab+0x9/0x14 [ 242.461105] kmem_cache_alloc+0x2af/0x760 [ 242.465292] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 242.470341] __kernfs_new_node+0xe7/0x580 [ 242.474522] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 242.479311] ? lock_downgrade+0x8e0/0x8e0 2018/05/17 15:02:32 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x680, 0x0) unlinkat(r1, &(0x7f0000000080)='./file0\x00', 0x200) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:32 executing program 7: lsetxattr(&(0x7f0000000440)='./file0\x00', &(0x7f0000000480)=@known='user.syz\x00', &(0x7f00000004c0)='*(selfposix_acl_access#\x00', 0x18, 0x1) r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xf, 0x83, 0x7, 0x5, 0x1}, 0x2c) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/sequencer2\x00', 0x200000, 0x0) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000580)='IPVS\x00') sendmsg$IPVS_CMD_GET_SERVICE(r2, &(0x7f0000000640)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x51000}, 0xc, &(0x7f0000000600)={&(0x7f00000005c0)={0x2c, r3, 0x200, 0x70bd27, 0x25dfdbff, {0x4}, [@IPVS_CMD_ATTR_DAEMON={0x18, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'ifb0\x00'}]}]}, 0x2c}, 0x1}, 0x8890) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r2, 0xc0145401, &(0x7f0000000300)={0xffffffffffffffff, 0x3, 0x0, 0x0, 0x5}) ioctl$TUNSETFILTEREBPF(r1, 0x800454e1, &(0x7f0000000080)=r2) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) getsockname$packet(r2, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000340)=0x14) r4 = accept(r2, 0x0, &(0x7f0000000100)) r5 = accept(r0, &(0x7f00000003c0)=@ax25, &(0x7f0000000500)=0x80) getsockname$packet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00000001c0)=0x14) setsockopt$packet_drop_memb(r5, 0x107, 0x2, &(0x7f0000000280)={r6, 0x1, 0x6, @random="99388aa1017e"}, 0x10) setsockopt$bt_hci_HCI_FILTER(r4, 0x0, 0x2, &(0x7f0000000380)={0x2eac, 0x34b, 0x2, 0x9}, 0x10) [ 242.483496] ? kasan_check_read+0x11/0x20 [ 242.487667] ? do_raw_spin_unlock+0x9e/0x2e0 [ 242.492102] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 242.496717] kernfs_new_node+0x80/0xf0 [ 242.500636] kernfs_create_link+0x33/0x180 [ 242.504900] sysfs_do_create_link_sd.isra.2+0x90/0x130 [ 242.510208] sysfs_create_link+0x65/0xc0 [ 242.514297] device_add+0x481/0x16d0 [ 242.518048] ? device_private_init+0x230/0x230 [ 242.522648] ? kfree+0x1e9/0x260 [ 242.526040] ? kfree_const+0x5e/0x70 [ 242.529789] device_create_groups_vargs+0x1ff/0x270 [ 242.534840] device_create_vargs+0x46/0x60 [ 242.539095] bdi_register_va.part.10+0xbb/0x9b0 [ 242.543770] ? cgwb_kill+0x630/0x630 [ 242.547498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.553038] ? bdi_init+0x416/0x510 [ 242.556673] ? wb_init+0x9e0/0x9e0 [ 242.560217] ? bdi_alloc_node+0x67/0xe0 [ 242.564188] ? bdi_alloc_node+0x67/0xe0 [ 242.568170] ? rcu_read_lock_sched_held+0x108/0x120 [ 242.573190] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 242.578471] ? _raw_spin_unlock+0x22/0x30 [ 242.582625] bdi_register_va+0x68/0x80 [ 242.586514] super_setup_bdi_name+0x123/0x220 [ 242.591011] ? kill_block_super+0x100/0x100 [ 242.595338] ? kmem_cache_alloc_trace+0x616/0x780 [ 242.600176] ? match_wildcard+0x3c0/0x3c0 [ 242.604325] ? trace_hardirqs_on+0xd/0x10 [ 242.608483] fuse_fill_super+0xe6e/0x1e20 [ 242.612643] ? fuse_get_root_inode+0x190/0x190 [ 242.617230] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 242.622248] ? kasan_check_read+0x11/0x20 [ 242.626398] ? cap_capable+0x1f9/0x260 [ 242.630299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.635834] ? security_capable+0x99/0xc0 [ 242.639984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.645518] ? ns_capable_common+0x13f/0x170 [ 242.649931] ? get_anon_bdev+0x2f0/0x2f0 [ 242.653991] ? sget+0x113/0x150 [ 242.657280] ? fuse_get_root_inode+0x190/0x190 [ 242.661861] mount_nodev+0x6b/0x110 [ 242.665489] fuse_mount+0x2c/0x40 [ 242.668941] mount_fs+0xae/0x328 [ 242.672313] vfs_kern_mount.part.34+0xd4/0x4d0 [ 242.676896] ? may_umount+0xb0/0xb0 [ 242.680530] ? _raw_read_unlock+0x22/0x30 [ 242.684683] ? __get_fs_type+0x97/0xc0 [ 242.688578] do_mount+0x564/0x3070 [ 242.692123] ? copy_mount_string+0x40/0x40 [ 242.696354] ? rcu_pm_notify+0xc0/0xc0 [ 242.700251] ? copy_mount_options+0x5f/0x380 [ 242.704659] ? rcu_read_lock_sched_held+0x108/0x120 [ 242.709672] ? kmem_cache_alloc_trace+0x616/0x780 [ 242.714518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.720053] ? _copy_from_user+0xdf/0x150 [ 242.724205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.729735] ? copy_mount_options+0x285/0x380 [ 242.734233] ksys_mount+0x12d/0x140 [ 242.737860] __x64_sys_mount+0xbe/0x150 [ 242.741829] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 242.746848] do_syscall_64+0x1b1/0x800 [ 242.750730] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 242.755570] ? syscall_return_slowpath+0x5c0/0x5c0 [ 242.760500] ? syscall_return_slowpath+0x30f/0x5c0 [ 242.766214] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 242.771599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.776450] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 242.781632] RIP: 0033:0x455a09 2018/05/17 15:02:32 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x5}, 0x20) 2018/05/17 15:02:32 executing program 1: r0 = syz_open_dev$sndpcmc(&(0x7f0000000080)='/dev/snd/pcmC#D#c\x00', 0xc0000000000, 0x210201) ioctl$KDSKBMETA(r0, 0x4b63, &(0x7f0000000100)=0x7) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(r0, 0x80dc5521, &(0x7f0000000140)=""/8) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:32 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) connect$unix(0xffffffffffffffff, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) [ 242.784814] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 242.792521] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 242.799787] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 242.807051] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 242.814325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 242.821590] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:32 executing program 0 (fault-call:2 fault-nth:52): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:32 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000), 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:32 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) write$binfmt_elf32(r0, &(0x7f0000000280)={{0x7f, 0x45, 0x4c, 0x46, 0x4, 0x401, 0x3, 0x3, 0x6, 0x2, 0x3e, 0x8, 0x4, 0x38, 0x2d5, 0x1127, 0x5, 0x20, 0x2, 0x40, 0xedc6, 0x81}, [{0xf933a4c922f50544, 0xd8a3, 0x0, 0x7, 0x5, 0xf96a, 0x7, 0x8}], "b380999c0cd4a6eb667e92d02e5e1bf130d54e7be38f6c26669a4dbdbfb3670392f5df86fabd9fb28d36ac54e1e1b89476ad592770cd5dfefb5e002af7a64421536d491a92909ce786d0384ab7ce8ad21f1beb2705f65de9f58c275855e54abd9e00f87c15883a8c91a273e91c477a33d2bfd2500dfd263883b12af9c1112e89122c8ace839ea8ce13068987e2d7e55d11be1e2d2570db577d58568b818461e7e30003608f8869cb1aac8802dabc95cdc665e1e5462937f4e62723a853f2ac817d34da242377ddf7469f773a7a9ba9e94e21bf8acd30b006c7bd4fcb3f563cd0", [[], [], [], [], [], [], [], [], []]}, 0xa38) 2018/05/17 15:02:32 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x3d8}, 0x20) [ 242.995190] FAT-fs (loop0): bogus number of reserved sectors [ 243.001200] FAT-fs (loop0): Can't find a valid FAT filesystem 2018/05/17 15:02:33 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) connect$unix(0xffffffffffffffff, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) [ 243.129842] FAULT_INJECTION: forcing a failure. [ 243.129842] name failslab, interval 1, probability 0, space 0, times 0 [ 243.141248] CPU: 1 PID: 18481 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 243.148550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.157926] Call Trace: [ 243.160543] dump_stack+0x1b9/0x294 [ 243.164207] ? dump_stack_print_info.cold.2+0x52/0x52 [ 243.169421] ? __save_stack_trace+0x7e/0xd0 [ 243.173785] should_fail.cold.4+0xa/0x1a [ 243.177876] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.183004] ? kasan_kmalloc+0xc4/0xe0 [ 243.186912] ? kasan_slab_alloc+0x12/0x20 [ 243.191081] ? kmem_cache_alloc+0x12e/0x760 [ 243.195425] ? radix_tree_node_alloc.constprop.19+0x1e6/0x310 [ 243.201329] ? idr_get_free+0x891/0x10a0 [ 243.205421] ? idr_alloc_u32+0x1f9/0x3d0 [ 243.209502] ? idr_alloc_cyclic+0x167/0x340 [ 243.213849] ? kernfs_new_node+0x80/0xf0 [ 243.217937] ? kernfs_create_dir_ns+0x3d/0x140 [ 243.222546] ? sysfs_create_dir_ns+0xbe/0x1d0 [ 243.227059] ? kobject_add_internal+0x354/0xac0 [ 243.231725] ? kobject_add+0x13a/0x190 [ 243.235608] ? device_add+0x3a5/0x16d0 [ 243.239494] ? device_create_groups_vargs+0x1ff/0x270 [ 243.244700] ? device_create_vargs+0x46/0x60 [ 243.249104] ? bdi_register_va.part.10+0xbb/0x9b0 [ 243.253941] ? bdi_register_va+0x68/0x80 [ 243.257997] ? super_setup_bdi_name+0x123/0x220 [ 243.262668] ? fuse_fill_super+0xe6e/0x1e20 [ 243.266998] ? mount_nodev+0x6b/0x110 [ 243.270799] ? fuse_mount+0x2c/0x40 [ 243.274423] ? mount_fs+0xae/0x328 [ 243.277958] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 243.282720] ? do_mount+0x564/0x3070 [ 243.286436] ? ksys_mount+0x12d/0x140 [ 243.290242] ? __x64_sys_mount+0xbe/0x150 [ 243.294385] ? do_syscall_64+0x1b1/0x800 [ 243.298443] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.303808] ? graph_lock+0x170/0x170 [ 243.307613] ? perf_trace_lock+0x900/0x900 [ 243.311863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.317401] ? graph_lock+0x170/0x170 [ 243.321217] ? __lock_is_held+0xb5/0x140 [ 243.325288] __should_failslab+0x124/0x180 [ 243.329535] should_failslab+0x9/0x14 [ 243.333345] kmem_cache_alloc+0x47/0x760 [ 243.337420] ? radix_tree_node_alloc.constprop.19+0x1e6/0x310 [ 243.343309] radix_tree_node_alloc.constprop.19+0x1e6/0x310 [ 243.349040] idr_get_free+0x891/0x10a0 [ 243.352950] ? radix_tree_clear_tags+0xc0/0xc0 [ 243.357537] ? unwind_get_return_address+0x61/0xa0 [ 243.362466] ? __save_stack_trace+0x7e/0xd0 [ 243.366808] ? save_stack+0xa9/0xd0 [ 243.370446] ? save_stack+0x43/0xd0 [ 243.374086] ? perf_trace_lock+0x900/0x900 [ 243.378317] ? kobject_add_internal+0x354/0xac0 [ 243.382985] ? device_create_groups_vargs+0x1ff/0x270 [ 243.388169] ? device_create_vargs+0x46/0x60 [ 243.392572] ? bdi_register_va.part.10+0xbb/0x9b0 [ 243.397409] ? bdi_register_va+0x68/0x80 [ 243.401467] ? super_setup_bdi_name+0x123/0x220 [ 243.406132] ? fuse_fill_super+0xe6e/0x1e20 [ 243.410450] ? mount_nodev+0x6b/0x110 [ 243.414247] ? mount_fs+0xae/0x328 [ 243.417782] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 243.422531] ? do_mount+0x564/0x3070 [ 243.426239] ? ksys_mount+0x12d/0x140 [ 243.430145] ? __x64_sys_mount+0xbe/0x150 [ 243.434288] ? do_syscall_64+0x1b1/0x800 [ 243.438349] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.443712] ? print_usage_bug+0xc0/0xc0 [ 243.447780] idr_alloc_u32+0x1f9/0x3d0 [ 243.451691] ? __fprop_inc_percpu_max+0x2c0/0x2c0 [ 243.456542] ? lock_acquire+0x1dc/0x520 [ 243.460510] ? __kernfs_new_node+0x10e/0x580 [ 243.464916] ? __lock_is_held+0xb5/0x140 [ 243.468994] idr_alloc_cyclic+0x167/0x340 [ 243.473149] ? idr_alloc+0x1a0/0x1a0 [ 243.476860] ? kasan_check_write+0x14/0x20 [ 243.481101] ? do_raw_spin_lock+0xc1/0x200 [ 243.485359] __kernfs_new_node+0x1a3/0x580 [ 243.489607] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 243.494378] ? lock_downgrade+0x8e0/0x8e0 [ 243.498536] kernfs_new_node+0x80/0xf0 [ 243.502428] kernfs_create_dir_ns+0x3d/0x140 [ 243.506843] sysfs_create_dir_ns+0xbe/0x1d0 [ 243.511167] kobject_add_internal+0x354/0xac0 [ 243.515664] ? kobj_ns_type_registered+0x60/0x60 [ 243.520427] ? lock_downgrade+0x8e0/0x8e0 [ 243.524574] ? refcount_add_not_zero+0x320/0x320 [ 243.529338] ? kasan_check_read+0x11/0x20 [ 243.533488] kobject_add+0x13a/0x190 [ 243.537197] ? kset_create_and_add+0x190/0x190 [ 243.541799] ? mutex_unlock+0xd/0x10 [ 243.545518] device_add+0x3a5/0x16d0 [ 243.549241] ? device_private_init+0x230/0x230 [ 243.553831] ? kfree+0x1e9/0x260 [ 243.557211] ? kfree_const+0x5e/0x70 [ 243.560930] device_create_groups_vargs+0x1ff/0x270 [ 243.565950] device_create_vargs+0x46/0x60 [ 243.570188] bdi_register_va.part.10+0xbb/0x9b0 [ 243.574855] ? cgwb_kill+0x630/0x630 [ 243.578571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.584103] ? bdi_init+0x416/0x510 [ 243.587723] ? wb_init+0x9e0/0x9e0 [ 243.591266] ? bdi_alloc_node+0x67/0xe0 [ 243.595232] ? bdi_alloc_node+0x67/0xe0 [ 243.599205] ? rcu_read_lock_sched_held+0x108/0x120 [ 243.604221] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 243.609506] ? _raw_spin_unlock+0x22/0x30 [ 243.613658] bdi_register_va+0x68/0x80 [ 243.617546] super_setup_bdi_name+0x123/0x220 [ 243.622046] ? kill_block_super+0x100/0x100 [ 243.626370] ? kmem_cache_alloc_trace+0x616/0x780 [ 243.631221] ? match_wildcard+0x3c0/0x3c0 [ 243.635366] ? trace_hardirqs_on+0xd/0x10 [ 243.639522] fuse_fill_super+0xe6e/0x1e20 [ 243.643679] ? fuse_get_root_inode+0x190/0x190 [ 243.648274] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 243.653295] ? kasan_check_read+0x11/0x20 [ 243.657449] ? cap_capable+0x1f9/0x260 [ 243.661349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.666883] ? security_capable+0x99/0xc0 [ 243.671045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.676579] ? ns_capable_common+0x13f/0x170 [ 243.680992] ? get_anon_bdev+0x2f0/0x2f0 [ 243.685056] ? sget+0x113/0x150 [ 243.688341] ? fuse_get_root_inode+0x190/0x190 [ 243.692921] mount_nodev+0x6b/0x110 [ 243.696547] fuse_mount+0x2c/0x40 [ 243.700001] mount_fs+0xae/0x328 [ 243.703382] vfs_kern_mount.part.34+0xd4/0x4d0 [ 243.707965] ? may_umount+0xb0/0xb0 [ 243.711590] ? _raw_read_unlock+0x22/0x30 [ 243.715733] ? __get_fs_type+0x97/0xc0 [ 243.719627] do_mount+0x564/0x3070 [ 243.723162] ? do_raw_spin_unlock+0x9e/0x2e0 [ 243.727574] ? copy_mount_string+0x40/0x40 [ 243.731816] ? rcu_pm_notify+0xc0/0xc0 [ 243.735717] ? copy_mount_options+0x5f/0x380 [ 243.740124] ? rcu_read_lock_sched_held+0x108/0x120 [ 243.745138] ? kmem_cache_alloc_trace+0x616/0x780 [ 243.749982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.755526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.761061] ? copy_mount_options+0x285/0x380 [ 243.765573] ksys_mount+0x12d/0x140 [ 243.769201] __x64_sys_mount+0xbe/0x150 [ 243.773170] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 243.778187] do_syscall_64+0x1b1/0x800 [ 243.782069] ? finish_task_switch+0x1ca/0x840 [ 243.786562] ? syscall_return_slowpath+0x5c0/0x5c0 [ 243.791499] ? syscall_return_slowpath+0x30f/0x5c0 [ 243.796432] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 243.801800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.806648] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.811831] RIP: 0033:0x455a09 [ 243.815031] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 243.822741] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 243.830005] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 243.837287] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 243.844559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 243.851823] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:33 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) openat$cgroup_int(r0, &(0x7f0000000100)='hugetlb.2MB.failcnt\x00', 0x2, 0x0) 2018/05/17 15:02:33 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x500}, 0x20) 2018/05/17 15:02:33 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(0xffffffffffffffff, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:33 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x2, 0xffffffffffffffff, 0x0) r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000100)={&(0x7f0000000080)='./file0\x00', 0x0, 0x8}, 0x10) r1 = syz_open_dev$mice(&(0x7f0000000180)='/dev/input/mice\x00', 0x0, 0xc000) setsockopt$bt_BT_FLUSHABLE(r1, 0x112, 0x8, &(0x7f00000001c0)=0x401, 0x4) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) ioctl$SG_GET_SCSI_ID(r1, 0x2276, &(0x7f0000000400)) clock_gettime(0x7, &(0x7f0000000140)) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) getresuid(&(0x7f0000000280)=0x0, &(0x7f00000002c0), &(0x7f0000000300)) lstat(&(0x7f0000000340)='./file0\x00', &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fchown(r0, r3, r4) ioctl$LOOP_SET_STATUS(r1, 0x4c02, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x3ff, 0x2, 0x2, 0x8, "36606aca00cfb09d42ca3d8d6d80743bde23b9d1fccf61776f62d02d7c16bfe4059ef31cc734dcfd6353e78cee8e94d2df0af967b73cbb2b6ee77ebc65dbf6f4", "ff307c13ec52df171675c91d42bd4044890178a2daf8653e207703c84263a6cb", [0x2, 0x9]}) 2018/05/17 15:02:33 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x0, 0x5d, 0xd2, &(0x7f0000000100)="bc9c3671b20633e115aaa3d766ae0d333687c0d088d406ca3faedae8436fd97554b9d6e5649b98ac3d02a29e1dfdce68916072cd78e0e167347b20ac903ee12aec3c92b8c4ce4a9f20c252445397e8f1d0173f679119b3c725dc1856bb", &(0x7f0000000280)=""/210, 0x0, 0x2}, 0x28) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) io_setup(0x4, &(0x7f0000000180)=0x0) r4 = creat(&(0x7f00000001c0)='./file0\x00', 0x88) r5 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000600)='/dev/sequencer\x00', 0x40000, 0x0) clock_gettime(0x0, &(0x7f00000008c0)={0x0, 0x0}) futimesat(r5, &(0x7f0000000880)='./file1\x00', &(0x7f0000000900)={{0x0, 0x2710}, {r6, r7/1000+10000}}) r8 = syz_open_dev$admmidi(&(0x7f0000000700)='/dev/admmidi#\x00', 0xef5, 0x2) r9 = syz_open_dev$audion(&(0x7f00000007c0)='/dev/audio#\x00', 0x400, 0x10000) io_submit(r3, 0x5, &(0x7f0000000840)=[&(0x7f0000000440)={0x0, 0x0, 0x0, 0x7, 0x1, r1, &(0x7f0000000380)="290960c117542cb8f62ced844d8539d63ec4ecea49435a07169e187cbd39b8137af371ccd0cc6002719558a7088592defa98eb447fd2f52f85fe490eca54aef00f19490215690ca40d34888b48bed2bd6907a176fa90a79e63872d75a91a42f6e64fb15fdc146e6f105ac3c325ed1745912146fe42038a85c2f907ed8c98b76e7a8069c564fcdfc8e18580d2bfe22247a24eac07", 0x94, 0x5, 0x0, 0x0, r4}, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x7, 0xa4, r2, &(0x7f0000000480)="368954d4709bd9880e", 0x9, 0x282a57cc, 0x0, 0x1}, &(0x7f0000000640)={0x0, 0x0, 0x0, 0x3, 0x8, r2, &(0x7f0000000500)="eaede51e3a6b5af7248aada115141ea6f4d268e639182b9f4a98df43945ff78fbbd9b745feb461f9dd82e5c57d7a284eae3a3803e54f6532ae9fd3ca0db61fbbd9528996b1b70f3e5e4b49bff519531bc922cc5477f14ce04f5213eac49e9ecd20b89dd423d660846a56cbff34bc05cb723c59e2c6781b143ef496d21071ce26e093ea2712016e4de824a27527fdcc730d09081197783bab5088501a2d7c4b604a67d2c6286180039c48a6a017f8b6ada3494fb0c262e4a22c512ea2c765ccbdb9104e757b6429b1afe51f0c37e3a95c2b209d0504a2b526dfd1f3920418c86c", 0xe0, 0x8c, 0x0, 0x1, r5}, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x3, 0x7f, r2, &(0x7f0000000680)="3dd38e55b3c3229e8bae62cec7866ee67aa3b4c98fcc0151b15fb9a0b28559db7de39e30c735657737f64cf36a0d24907a4f98c4b7cfd5afc0715be0d43b3681a3d41c580a", 0x45, 0x8, 0x0, 0x1, r8}, &(0x7f0000000800)={0x0, 0x0, 0x0, 0x3, 0x18, r2, &(0x7f0000000780)="c420a74f0fcc447080df", 0xa, 0x85, 0x0, 0x0, r9}]) 2018/05/17 15:02:33 executing program 6: r0 = dup2(0xffffffffffffff9c, 0xffffffffffffffff) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x20000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp, 0x2000}, 0x0, 0x0, r0, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r1, r3, 0x0) 2018/05/17 15:02:33 executing program 0 (fault-call:2 fault-nth:53): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:33 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) connect$unix(0xffffffffffffffff, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:34 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0xffffffff, 0x0) getpeername$llc(r2, &(0x7f0000000300), &(0x7f0000000340)=0x10) getsockopt$inet_sctp_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000100)={0x0, 0x6, 0x80000001, 0xff, 0x8001, 0x5, 0x2, 0x3, {0x0, @in6={{0xa, 0x4e20, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x2}}, 0x6, 0xfff, 0xcc, 0x8000, 0x5}}, &(0x7f00000001c0)=0xb0) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r2, 0x84, 0x23, &(0x7f0000000280)={r3, 0x3}, 0x8) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f00000002c0)=0x0) ptrace$pokeuser(0x6, r4, 0x4, 0x401) ptrace$pokeuser(0x6, r4, 0x9, 0xc2ec) setsockopt$bt_hci_HCI_TIME_STAMP(r2, 0x0, 0x3, &(0x7f00000000c0)=0x2, 0x4) r5 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r5, 0x0) [ 244.079208] FAT-fs (loop0): bogus number of reserved sectors [ 244.085186] FAT-fs (loop0): Can't find a valid FAT filesystem [ 244.142926] FAULT_INJECTION: forcing a failure. [ 244.142926] name failslab, interval 1, probability 0, space 0, times 0 [ 244.154305] CPU: 1 PID: 18517 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 244.161596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.170968] Call Trace: [ 244.173587] dump_stack+0x1b9/0x294 [ 244.177248] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.182466] ? perf_trace_lock_acquire+0xe3/0x980 [ 244.187357] should_fail.cold.4+0xa/0x1a [ 244.191453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.196596] ? graph_lock+0x170/0x170 [ 244.200424] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 244.205565] ? find_held_lock+0x36/0x1c0 [ 244.209668] ? __lock_is_held+0xb5/0x140 [ 244.213755] ? set_selection+0x12f0/0x1340 [ 244.218041] ? check_same_owner+0x320/0x320 [ 244.222399] ? rcu_note_context_switch+0x710/0x710 [ 244.227365] __should_failslab+0x124/0x180 [ 244.231628] should_failslab+0x9/0x14 [ 244.235451] kmem_cache_alloc+0x2af/0x760 2018/05/17 15:02:34 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x0, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:34 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:34 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) write$binfmt_misc(r0, &(0x7f00000000c0)={'syz1', "4645d20ef6ed74734d622a72e6a1c176f4e8b412d84e54d5e8c3d485fd1aa9caa6545d8f80f7ca73504fb0f786"}, 0x31) syz_open_dev$sndmidi(&(0x7f0000000380)='/dev/snd/midiC#D#\x00', 0xffff, 0x24001) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000100)={r0, &(0x7f0000000140), &(0x7f0000000280)="1bbb244cfc14a22cf2ecd9968a20fe74f810b0e6f3898ca740f3a94dd92e90822e89fa0cc3261e42e9781eddc66767372ed43f8b2067b7980c90e98ca26a8da8d168c147891e894ea9cf66b113138d0bbacc38439e6d0f8e5e663d3f668a0960076fc6ca8cfa2fd3008760da0f0794625c986997f9dfa6b53e9a6779f42fd57c061b625f3dc548867f10c8fdb7f3731b4bec6c122c759e962e71173fd82241947466231e74e86ab81677759ecb1d0cd0ad1c0750af9739529d8cea73c3e5bdc926fc31a877350bd987f26a11485093cd6140cc1ac853b1a0", 0x2}, 0xffffffffffffffef) openat$rtc(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rtc0\x00', 0x8000, 0x0) 2018/05/17 15:02:34 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x48) 2018/05/17 15:02:34 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/dsp\x00', 0x82, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r2, 0x10e, 0x1, &(0x7f00000001c0)=0x1f, 0x4) r3 = fcntl$getown(r2, 0x9) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x8, 0x20, 0x5, 0x1, 0x0, 0x42e1ccfe, 0x2000, 0xd, 0x20, 0x3, 0xffffffffffffffff, 0x1f, 0x1, 0xffffffff, 0x6, 0x1, 0x6, 0x4, 0x8, 0x1f, 0x9, 0x7ff, 0x0, 0x4, 0xff, 0x5, 0x1ff, 0x7, 0x0, 0x4, 0x5, 0x8001, 0x6, 0x40, 0x9, 0x7fffffff, 0x0, 0x6, 0x2, @perf_config_ext={0x617}, 0x48, 0x400, 0x9, 0x4, 0x7, 0x2, 0x1}, r3, 0xe, r2, 0x0) ioctl$VHOST_RESET_OWNER(r2, 0xaf02, 0x0) ioctl$ION_IOC_HEAP_QUERY(r2, 0xc0184908, &(0x7f0000000180)={0x200, 0xa, 0x1, r2}) setpgid(r3, r3) ioctl$RNDADDENTROPY(r2, 0x40085203, &(0x7f0000000300)={0x25, 0xaa, "bfa93ed55e8cbd4a498d362b0e58cdc8dcd9ffe0cd9373633ce36650014260fa22c74c746b7a3134daf409a5807a964246b29e7b5b0c6de05beaeaedb2d58106618d4ec3b02ddcc0f65aaccedfcb7c4e308efacf3ec5306f0d46f6760bffcd835e97a1547f47715799b6e5b03a7f1bb8b3381fac7929ab1161f7bdbbb1bc5c84b66c60c24e12e1714736b9f180edfce775f357b19c4e2909c366c12409d6dc5ceb036289dc3554a5d179"}) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0xa, 0x110, r2, 0x0) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000280)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) ioctl$sock_inet_SIOCGIFBRDADDR(r2, 0x8919, &(0x7f0000000080)={'rose0\x00', {0x2, 0x4e21, @multicast2=0xe0000002}}) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:34 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) setsockopt$inet6_mtu(r0, 0x29, 0x17, &(0x7f0000000180)=0x7, 0x4) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000100)='cpuset.cpu_exclusivD\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r3 = syz_open_dev$vcsn(&(0x7f0000000040)='/dev/vcs#\x00', 0x2, 0x80) ioctl$EVIOCSFF(r3, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="57000900136bfbffff01020000"]) [ 244.239625] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 244.245193] ? graph_lock+0x170/0x170 [ 244.249023] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 244.254074] __kernfs_new_node+0xe7/0x580 [ 244.258253] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 244.263038] ? find_held_lock+0x36/0x1c0 [ 244.267143] ? lock_downgrade+0x8e0/0x8e0 [ 244.271336] kernfs_new_node+0x80/0xf0 [ 244.275253] __kernfs_create_file+0x4d/0x330 [ 244.279701] sysfs_add_file_mode_ns+0x21a/0x560 [ 244.284408] sysfs_create_file_ns+0x8b/0xb0 [ 244.288756] device_create_file+0xf4/0x1e0 [ 244.293014] ? acpi_bind_one+0x8f0/0x8f0 [ 244.297096] device_add+0x3ec/0x16d0 [ 244.300841] ? device_private_init+0x230/0x230 [ 244.305442] ? kfree+0x1e9/0x260 [ 244.308834] ? kfree_const+0x5e/0x70 [ 244.312575] device_create_groups_vargs+0x1ff/0x270 [ 244.317620] device_create_vargs+0x46/0x60 [ 244.321884] bdi_register_va.part.10+0xbb/0x9b0 [ 244.326578] ? cgwb_kill+0x630/0x630 [ 244.330815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.330834] ? bdi_init+0x416/0x510 [ 244.330853] ? wb_init+0x9e0/0x9e0 [ 244.330875] ? bdi_alloc_node+0x67/0xe0 [ 244.330893] ? bdi_alloc_node+0x67/0xe0 [ 244.351537] ? rcu_read_lock_sched_held+0x108/0x120 [ 244.356577] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 244.361880] ? _raw_spin_unlock+0x22/0x30 [ 244.366061] bdi_register_va+0x68/0x80 [ 244.369974] super_setup_bdi_name+0x123/0x220 [ 244.374489] ? kill_block_super+0x100/0x100 [ 244.378835] ? kmem_cache_alloc_trace+0x616/0x780 [ 244.383719] ? match_wildcard+0x3c0/0x3c0 [ 244.383743] ? trace_hardirqs_on+0xd/0x10 [ 244.383778] fuse_fill_super+0xe6e/0x1e20 [ 244.383814] ? fuse_get_root_inode+0x190/0x190 [ 244.383842] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 244.383870] ? kasan_check_read+0x11/0x20 [ 244.383897] ? cap_capable+0x1f9/0x260 [ 244.383931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.383950] ? security_capable+0x99/0xc0 [ 244.383977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.383996] ? ns_capable_common+0x13f/0x170 [ 244.384020] ? get_anon_bdev+0x2f0/0x2f0 [ 244.384040] ? sget+0x113/0x150 2018/05/17 15:02:34 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x200000e0) 2018/05/17 15:02:34 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = syz_open_dev$mouse(&(0x7f0000000180)='/dev/input/mouse#\x00', 0xc, 0x40001) r2 = socket$inet(0x2, 0x3, 0x2) getsockopt(r2, 0xff, 0x0, &(0x7f0000000080)=""/166, &(0x7f0000000000)=0xa6) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) setsockopt$inet_msfilter(r1, 0x0, 0x29, &(0x7f00000001c0)={@multicast2=0xe0000002, @dev={0xac, 0x14, 0x14, 0xd}, 0x0, 0x2, [@loopback=0x7f000001, @empty]}, 0x18) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuacct.usage_user\x00', 0x0, 0x0) getsockname$ipx(r3, &(0x7f0000000100), &(0x7f0000000140)=0x10) 2018/05/17 15:02:34 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000100)='/dev/urandom\x00', 0x240b00, 0x0) getsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000140), &(0x7f0000000180)=0x4) openat$cgroup_int(r0, &(0x7f0000000080)='hugetlb.2MB.limit_in_bytes\x00', 0x2, 0x0) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) openat$cgroup_int(r0, &(0x7f0000000040)='rdma.max\x00', 0x2, 0x0) 2018/05/17 15:02:34 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) [ 244.384065] ? fuse_get_root_inode+0x190/0x190 [ 244.384086] mount_nodev+0x6b/0x110 [ 244.384110] fuse_mount+0x2c/0x40 [ 244.384133] mount_fs+0xae/0x328 [ 244.384164] vfs_kern_mount.part.34+0xd4/0x4d0 [ 244.384188] ? may_umount+0xb0/0xb0 [ 244.384209] ? _raw_read_unlock+0x22/0x30 [ 244.384226] ? __get_fs_type+0x97/0xc0 [ 244.384258] do_mount+0x564/0x3070 [ 244.384290] ? do_raw_spin_unlock+0x9e/0x2e0 [ 244.384319] ? copy_mount_string+0x40/0x40 [ 244.384337] ? rcu_pm_notify+0xc0/0xc0 [ 244.384374] ? copy_mount_options+0x5f/0x380 2018/05/17 15:02:34 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_int(0xffffffffffffffff, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r0, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) [ 244.384391] ? rcu_read_lock_sched_held+0x108/0x120 [ 244.384412] ? kmem_cache_alloc_trace+0x616/0x780 [ 244.384438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.384471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.513954] ? copy_mount_options+0x285/0x380 [ 244.518479] ksys_mount+0x12d/0x140 [ 244.522137] __x64_sys_mount+0xbe/0x150 [ 244.526151] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 244.531198] do_syscall_64+0x1b1/0x800 [ 244.535108] ? finish_task_switch+0x1ca/0x840 [ 244.539626] ? syscall_return_slowpath+0x5c0/0x5c0 [ 244.544578] ? syscall_return_slowpath+0x30f/0x5c0 [ 244.549538] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 244.554936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.559803] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 244.565001] RIP: 0033:0x455a09 [ 244.568207] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 244.575952] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 244.583244] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 244.590541] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 244.597825] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 244.605113] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:34 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x0, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:34 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/softnet_stat\x00') accept4$packet(r1, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000140)=0x14, 0x800) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup/syz1\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r3, 0x0) syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1) 2018/05/17 15:02:34 executing program 0 (fault-call:2 fault-nth:54): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:34 executing program 4: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x0, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x4, 0x5}, 0x2c) ioctl$KVM_ASSIGN_DEV_IRQ(r0, 0x4040ae70, &(0x7f0000000100)={0xfffffffffffffbff, 0x80000001, 0x7, 0x4}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:34 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000080), &(0x7f0000000180)=0xc) bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r0 = openat$vsock(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vsock\x00', 0x200800, 0x0) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000100)={0x0, 0x4000000000000001, 0x20, 0x101, 0xa0000000}, &(0x7f0000000140)=0x18) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f00000001c0)={0x6, 0x3, 0x4, 0x80, 0x2, 0x2, 0x6, 0xfffffffffffffffa, r1}, 0x20) 2018/05/17 15:02:34 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/mixer\x00', 0x2000, 0x0) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000140)) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r3 = creat(&(0x7f0000000040)='./file0\x00', 0x8) ioctl$TUNSETVNETBE(r3, 0x400454de, &(0x7f0000000080)=0x1) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:34 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x20000, 0x0) setsockopt$IPT_SO_SET_ADD_COUNTERS(r1, 0x0, 0x41, &(0x7f0000000100)={'raw\x00', 0x3, [{}, {}, {}]}, 0x58) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:34 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:34 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fremovexattr(r0, &(0x7f00000001c0)=@known='system.advise\x00') r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x80, 0x0) ioctl$KVM_SET_IRQCHIP(r3, 0x8208ae63, &(0x7f00000000c0)=@ioapic={0x2000, 0x4, 0x8, 0xcc, 0x0, [{0x1, 0xfffffffffffffff8, 0x40, [], 0x4}, {0x5, 0x3, 0x1, [], 0xfffffffffffffbff}, {0x6, 0x0, 0x0, [], 0x6}, {0xde59, 0x1, 0x3941, [], 0x5000000000000000}, {0x400, 0x9, 0x3, [], 0xcd}, {0x6, 0x8, 0x4, [], 0x8b8}, {0x0, 0x8, 0x6, [], 0x1000}, {0x2f95, 0x1ff, 0x1}, {0x10000, 0x80a, 0x9, [], 0x81}, {0x3f, 0x4, 0xf89, [], 0x8}, {0x3ff, 0x200, 0xffffffffffff7fff}, {0x8, 0x0, 0x5, [], 0x100000001}, {0x6, 0x2d, 0x0, [], 0x5b8}, {0x368, 0x1f3, 0x3, [], 0x6}, {0x7, 0x80, 0xfffffffffffffff7, [], 0x10000}, {0xd5c4, 0x40000, 0x9, [], 0x7e0f}, {0x7, 0x3f, 0x9, [], 0x2eb}, {0x80000001, 0x5, 0x7, [], 0xdf}, {0x400, 0x3ff, 0xd6, [], 0x3}, {0x8000, 0x8, 0x2, [], 0x2}, {0x401, 0x0, 0x2b, [], 0x9}, {0x3, 0x3, 0x3f, [], 0x6}, {0x7, 0x0, 0x2, [], 0xfe}, {0x0, 0x7, 0x8, [], 0x4}]}) dup3(r0, r2, 0x0) [ 244.775380] FAT-fs (loop0): bogus number of reserved sectors [ 244.781319] FAT-fs (loop0): Can't find a valid FAT filesystem 2018/05/17 15:02:34 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000080)=0x0) perf_event_open(&(0x7f0000000100)={0x3, 0x70, 0x4000, 0xffffffff, 0x8, 0x9, 0x0, 0x1, 0x0, 0x4, 0x6, 0x1, 0x6f, 0x7, 0x1, 0x0, 0x10000, 0x2, 0x100000001, 0x8, 0x0, 0x2, 0x800, 0x64a0, 0x100000000, 0x401, 0x8001, 0x401, 0x4, 0x1, 0xa8, 0x3f, 0x8000, 0x9, 0x9, 0x8, 0x6, 0x6, 0x0, 0x5, 0x1, @perf_config_ext={0x8, 0x1}, 0x80, 0x5, 0x7, 0x3, 0x2, 0x7, 0x1000}, r2, 0x2, r0, 0x2) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 244.831299] FAULT_INJECTION: forcing a failure. [ 244.831299] name failslab, interval 1, probability 0, space 0, times 0 [ 244.842640] CPU: 1 PID: 18588 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 244.849947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 2018/05/17 15:02:34 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x4, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:34 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000080)='/dev/cuse\x00', 0x400000, 0x0) ioctl$SCSI_IOCTL_SEND_COMMAND(r1, 0x1, &(0x7f0000000100)={0x6f, 0x6e75, 0xffffffff00000000, "4204d2258a51ac9d8e72ec5147314f13fb82be47cf7b6da3bec0e123d646c2c6a550845051aeb1a3a4cd07937872684aad49c77695e6b299937a55f3e20dcaf2aabb1ad161f6d4434d5c65fab765cf6b73d5151b8c6c8dbac6e4d33c32d0fed2fc6ceb4117c882c650dc69d6006317"}) [ 244.849957] Call Trace: [ 244.849984] dump_stack+0x1b9/0x294 2018/05/17 15:02:34 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) [ 244.850014] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.850034] ? perf_trace_lock_acquire+0xe3/0x980 [ 244.850072] should_fail.cold.4+0xa/0x1a [ 244.850098] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.850132] ? graph_lock+0x170/0x170 [ 244.850150] ? __mutex_lock+0x7d9/0x17f0 [ 244.850183] ? find_held_lock+0x36/0x1c0 [ 244.850215] ? __lock_is_held+0xb5/0x140 [ 244.850267] ? check_same_owner+0x320/0x320 [ 244.850286] ? perf_trace_lock_acquire+0xe3/0x980 [ 244.850309] ? rcu_note_context_switch+0x710/0x710 [ 244.850342] __should_failslab+0x124/0x180 [ 244.850369] should_failslab+0x9/0x14 [ 244.850390] __kmalloc_track_caller+0x2c4/0x760 [ 244.850408] ? graph_lock+0x170/0x170 [ 244.850438] ? kstrdup_const+0x66/0x80 [ 244.850463] kstrdup+0x39/0x70 [ 244.850486] kstrdup_const+0x66/0x80 [ 244.850510] __kernfs_new_node+0xa8/0x580 [ 244.850537] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 244.850566] ? lock_downgrade+0x8e0/0x8e0 [ 244.850599] ? kasan_check_read+0x11/0x20 [ 244.850619] ? do_raw_spin_unlock+0x9e/0x2e0 [ 244.850640] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 244.850666] kernfs_new_node+0x80/0xf0 [ 244.850693] kernfs_create_link+0x33/0x180 [ 244.850719] sysfs_do_create_link_sd.isra.2+0x90/0x130 [ 244.850745] sysfs_create_link+0x65/0xc0 [ 244.850768] device_add+0x7a0/0x16d0 [ 244.850800] ? device_private_init+0x230/0x230 [ 244.850816] ? kfree+0x1e9/0x260 [ 244.850840] ? kfree_const+0x5e/0x70 [ 244.850870] device_create_groups_vargs+0x1ff/0x270 [ 244.850899] device_create_vargs+0x46/0x60 [ 244.850924] bdi_register_va.part.10+0xbb/0x9b0 [ 244.850946] ? cgwb_kill+0x630/0x630 [ 244.850967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.850981] ? bdi_init+0x416/0x510 [ 244.850997] ? wb_init+0x9e0/0x9e0 [ 244.851019] ? bdi_alloc_node+0x67/0xe0 [ 244.851035] ? bdi_alloc_node+0x67/0xe0 [ 244.851053] ? rcu_read_lock_sched_held+0x108/0x120 [ 244.851071] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 244.851098] ? _raw_spin_unlock+0x22/0x30 [ 244.851123] bdi_register_va+0x68/0x80 [ 244.851147] super_setup_bdi_name+0x123/0x220 [ 244.851165] ? kill_block_super+0x100/0x100 [ 244.851188] ? kmem_cache_alloc_trace+0x616/0x780 [ 244.851205] ? match_wildcard+0x3c0/0x3c0 [ 244.851247] fuse_fill_super+0xe6e/0x1e20 [ 244.851275] ? fuse_get_root_inode+0x190/0x190 [ 244.851298] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 244.851319] ? kasan_check_read+0x11/0x20 [ 244.851338] ? cap_capable+0x1f9/0x260 [ 244.851367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.851384] ? security_capable+0x99/0xc0 [ 244.851407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.851425] ? ns_capable_common+0x13f/0x170 [ 244.851447] ? get_anon_bdev+0x2f0/0x2f0 [ 244.851465] ? sget+0x113/0x150 [ 244.851488] ? fuse_get_root_inode+0x190/0x190 [ 244.851508] mount_nodev+0x6b/0x110 [ 244.851530] fuse_mount+0x2c/0x40 [ 244.851554] mount_fs+0xae/0x328 [ 244.851585] vfs_kern_mount.part.34+0xd4/0x4d0 [ 244.851609] ? may_umount+0xb0/0xb0 [ 244.851628] ? _raw_read_unlock+0x22/0x30 [ 244.851643] ? __get_fs_type+0x97/0xc0 [ 244.851671] do_mount+0x564/0x3070 [ 244.851691] ? do_raw_spin_unlock+0x9e/0x2e0 [ 244.851718] ? copy_mount_string+0x40/0x40 [ 244.851734] ? rcu_pm_notify+0xc0/0xc0 [ 244.851768] ? copy_mount_options+0x5f/0x380 [ 244.851784] ? rcu_read_lock_sched_held+0x108/0x120 [ 244.851803] ? kmem_cache_alloc_trace+0x616/0x780 [ 244.851829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.851861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.851879] ? copy_mount_options+0x285/0x380 [ 244.851906] ksys_mount+0x12d/0x140 [ 244.851930] __x64_sys_mount+0xbe/0x150 [ 244.851945] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 244.851969] do_syscall_64+0x1b1/0x800 [ 244.851987] ? finish_task_switch+0x1ca/0x840 [ 244.852008] ? syscall_return_slowpath+0x5c0/0x5c0 [ 244.852031] ? syscall_return_slowpath+0x30f/0x5c0 [ 244.852057] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 244.852086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.852118] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 244.852133] RIP: 0033:0x455a09 2018/05/17 15:02:35 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x1, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:35 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x0, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:35 executing program 0 (fault-call:2 fault-nth:55): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:35 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:35 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='cpuset.memory_migrate\x00', 0x2, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:35 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000100)={&(0x7f0000000080)='./file0\x00', 0x0, 0x8}, 0x10) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x40007, 0x5, 0x10}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000140)='/dev/zero\x00', 0x400000, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r1, 0x402c5342, &(0x7f0000000180)={0x3, 0x1, 0x4, {0x0, 0x1c9c380}, 0x58a4, 0xd1d9}) 2018/05/17 15:02:35 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) fstat(r0, &(0x7f0000000040)) 2018/05/17 15:02:35 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 244.852144] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 244.852166] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 244.852178] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 244.852190] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 244.852201] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 244.852212] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:35 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000, 0x2000000, 0x0, 0x0, 0x1000, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8b38, 0x7f}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) [ 245.583844] FAT-fs (loop0): bogus number of reserved sectors [ 245.589835] FAT-fs (loop0): Can't find a valid FAT filesystem [ 245.659813] FAULT_INJECTION: forcing a failure. [ 245.659813] name failslab, interval 1, probability 0, space 0, times 0 [ 245.671212] CPU: 1 PID: 18635 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 245.678512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.687891] Call Trace: [ 245.690509] dump_stack+0x1b9/0x294 [ 245.694227] ? dump_stack_print_info.cold.2+0x52/0x52 [ 245.699530] ? perf_trace_lock_acquire+0xe3/0x980 [ 245.704422] should_fail.cold.4+0xa/0x1a [ 245.708518] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.713651] ? device_create_groups_vargs+0x1ff/0x270 [ 245.718869] ? device_create_vargs+0x46/0x60 [ 245.723306] ? bdi_register_va+0x68/0x80 [ 245.727391] ? super_setup_bdi_name+0x123/0x220 [ 245.732082] ? fuse_fill_super+0xe6e/0x1e20 [ 245.736426] ? mount_nodev+0x6b/0x110 [ 245.740254] ? graph_lock+0x170/0x170 [ 245.744079] ? ksys_mount+0x12d/0x140 [ 245.747913] ? __x64_sys_mount+0xbe/0x150 [ 245.752090] ? do_syscall_64+0x1b1/0x800 [ 245.756276] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 245.761680] ? find_held_lock+0x36/0x1c0 [ 245.765782] ? __lock_is_held+0xb5/0x140 [ 245.769902] ? check_same_owner+0x320/0x320 [ 245.774263] ? rcu_note_context_switch+0x710/0x710 [ 245.779216] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.784262] __should_failslab+0x124/0x180 [ 245.788624] should_failslab+0x9/0x14 [ 245.792449] kmem_cache_alloc+0x2af/0x760 [ 245.796617] ? memcpy+0x45/0x50 [ 245.799928] ? kstrdup+0x59/0x70 [ 245.803343] __kernfs_new_node+0xe7/0x580 [ 245.807521] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 245.812309] ? lock_downgrade+0x8e0/0x8e0 [ 245.816491] ? kasan_check_read+0x11/0x20 [ 245.820661] ? do_raw_spin_unlock+0x9e/0x2e0 [ 245.825094] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 245.829707] kernfs_new_node+0x80/0xf0 [ 245.833621] kernfs_create_link+0x33/0x180 [ 245.837883] sysfs_do_create_link_sd.isra.2+0x90/0x130 [ 245.843196] sysfs_create_link+0x65/0xc0 [ 245.847283] device_add+0x7a0/0x16d0 [ 245.851033] ? device_private_init+0x230/0x230 [ 245.855633] ? kfree+0x1e9/0x260 2018/05/17 15:02:35 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x0, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:35 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = syz_open_dev$usbmon(&(0x7f0000000080)='/dev/usbmon#\x00', 0x20, 0x80200) symlinkat(&(0x7f0000000040)='./file0\x00', r2, &(0x7f0000000100)='./file0\x00') 2018/05/17 15:02:35 executing program 4: r0 = memfd_create(&(0x7f0000000080)="23757365726e6f6465763a5d6c6fe376626f786e65743000", 0x3) ioctl$IOC_PR_RELEASE(r0, 0x401070ca, &(0x7f0000000100)={0x1f, 0xfffffffffffeffff}) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0xfff, 0x7, 0x5, 0x1, 0xffffffffffffffff, 0xfffffffffffffffc}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:35 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x5, 0x70, 0x3e4, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff) pwrite64(r0, &(0x7f0000000280)="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", 0x1000, 0x0) r1 = syz_open_dev$audion(&(0x7f0000000080)='/dev/audio#\x00', 0x10001, 0x20000) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, &(0x7f0000000100)={&(0x7f0000fff000/0x1000)=nil, 0x1000}) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) lseek(r1, 0x0, 0x0) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) ioctl$KDGETKEYCODE(r1, 0x4b4c, &(0x7f0000000140)={0x8}) 2018/05/17 15:02:35 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r3 = dup(r0) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r3, 0x84, 0x6e, &(0x7f0000000040)=[@in6={0xa, 0x4e23, 0x10000, @local={0xfe, 0x80, [], 0xaa}, 0x9a9}, @in6={0xa, 0x4e22, 0x8000, @loopback={0x0, 0x1}, 0x4}], 0x38) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) mkdirat$cgroup(r1, &(0x7f0000000080)='syz0\x00', 0x1ff) 2018/05/17 15:02:35 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) [ 245.859030] ? kfree_const+0x5e/0x70 [ 245.862778] device_create_groups_vargs+0x1ff/0x270 [ 245.867827] device_create_vargs+0x46/0x60 [ 245.872092] bdi_register_va.part.10+0xbb/0x9b0 [ 245.876788] ? cgwb_kill+0x630/0x630 [ 245.880527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.886085] ? bdi_init+0x416/0x510 [ 245.889736] ? wb_init+0x9e0/0x9e0 [ 245.893300] ? bdi_alloc_node+0x67/0xe0 [ 245.897298] ? bdi_alloc_node+0x67/0xe0 [ 245.901293] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.906335] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 245.911645] ? _raw_spin_unlock+0x22/0x30 [ 245.915827] bdi_register_va+0x68/0x80 [ 245.919742] super_setup_bdi_name+0x123/0x220 [ 245.924264] ? kill_block_super+0x100/0x100 [ 245.928611] ? kmem_cache_alloc_trace+0x616/0x780 [ 245.933478] ? match_wildcard+0x3c0/0x3c0 [ 245.937650] ? trace_hardirqs_on+0xd/0x10 [ 245.941850] fuse_fill_super+0xe6e/0x1e20 [ 245.946043] ? fuse_get_root_inode+0x190/0x190 [ 245.950663] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 245.955716] ? kasan_check_read+0x11/0x20 [ 245.959897] ? cap_capable+0x1f9/0x260 [ 245.963820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.969385] ? security_capable+0x99/0xc0 [ 245.973568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.979134] ? ns_capable_common+0x13f/0x170 [ 245.983582] ? get_anon_bdev+0x2f0/0x2f0 [ 245.987664] ? sget+0x113/0x150 [ 245.990977] ? fuse_get_root_inode+0x190/0x190 [ 245.995586] mount_nodev+0x6b/0x110 [ 245.999243] fuse_mount+0x2c/0x40 [ 246.002720] mount_fs+0xae/0x328 [ 246.006184] vfs_kern_mount.part.34+0xd4/0x4d0 [ 246.010799] ? may_umount+0xb0/0xb0 [ 246.014449] ? _raw_read_unlock+0x22/0x30 [ 246.018618] ? __get_fs_type+0x97/0xc0 [ 246.022540] do_mount+0x564/0x3070 [ 246.026101] ? do_raw_spin_unlock+0x9e/0x2e0 [ 246.030537] ? copy_mount_string+0x40/0x40 [ 246.034791] ? rcu_pm_notify+0xc0/0xc0 [ 246.038976] ? copy_mount_options+0x5f/0x380 [ 246.043407] ? rcu_read_lock_sched_held+0x108/0x120 [ 246.048460] ? kmem_cache_alloc_trace+0x616/0x780 [ 246.053328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.058901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.064526] ? copy_mount_options+0x285/0x380 [ 246.069042] ksys_mount+0x12d/0x140 [ 246.072673] __x64_sys_mount+0xbe/0x150 [ 246.076646] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 246.081679] do_syscall_64+0x1b1/0x800 [ 246.085568] ? finish_task_switch+0x1ca/0x840 [ 246.090065] ? syscall_return_slowpath+0x5c0/0x5c0 [ 246.095090] ? syscall_return_slowpath+0x30f/0x5c0 [ 246.100039] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 246.105520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.110380] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 246.115564] RIP: 0033:0x455a09 [ 246.118748] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 246.126460] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 246.133727] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 246.141001] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 246.148274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 246.155538] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:36 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x0) ioctl$EVIOCGMASK(r3, 0x80104592, &(0x7f00000000c0)={0x0, 0x1000, &(0x7f0000000280)="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"}) dup3(r0, r2, 0x0) 2018/05/17 15:02:36 executing program 5: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:36 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) pipe2(&(0x7f0000000080), 0x80800) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:36 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = syz_open_dev$adsp(&(0x7f0000000040)='/dev/adsp#\x00', 0x7b, 0x1) accept4(r1, 0x0, &(0x7f0000000080), 0x80000) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:36 executing program 0 (fault-call:2 fault-nth:56): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:36 executing program 4: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000100)="96f80413789c0e4cbd2040be7fd9aed27638e8e7cf570ff034b2a13d5820a53463cc5efdcdf0c7cad68853612bbcc332dea7d0e80ec9c3a1b10972d291d6566e629e8cbd913737a3198f134852c1df637d11e000dc21c33c492944a7625045b06c5cf4f5868fc9fada2032d15921bca2a953d6c0a1e76f4ebeb1a26f4c4587c3d97673d0ebed7e52177fb2af1d6656cda18ccbd596898412a0e8fff74d4cc477abce6a6016df4e6d4ce68b43b1240020ff65924dce9dfee95db4cfc9da85dd483b20a0380f91d1de6d34338ffcda7a69326b33ffb3a3ba7e0249cfdefe4b3fed8aa8cebb7e7ff960022977", &(0x7f0000000280)="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"}, 0xffffffffffffff1b) r2 = dup3(r0, r0, 0x80000) ioctl$DRM_IOCTL_INFO_BUFS(r2, 0xc0106418, &(0x7f0000000080)={0x3, 0x8000, 0x4, 0x6, 0x5, 0x3}) 2018/05/17 15:02:36 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x0, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:36 executing program 2: perf_event_open(&(0x7f0000000200)={0x5, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) [ 246.240736] FAT-fs (loop0): bogus number of reserved sectors [ 246.246763] FAT-fs (loop0): Can't find a valid FAT filesystem [ 246.291555] FAULT_INJECTION: forcing a failure. [ 246.291555] name failslab, interval 1, probability 0, space 0, times 0 [ 246.303141] CPU: 1 PID: 18688 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 246.310443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.319817] Call Trace: [ 246.322431] dump_stack+0x1b9/0x294 [ 246.326088] ? dump_stack_print_info.cold.2+0x52/0x52 [ 246.331306] ? perf_trace_lock_acquire+0xe3/0x980 [ 246.336212] should_fail.cold.4+0xa/0x1a 2018/05/17 15:02:36 executing program 5: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:36 executing program 2: r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040)='/dev/urandom\x00', 0x400000, 0x0) ioctl$DRM_IOCTL_MODESET_CTL(r0, 0x40086408, &(0x7f0000000080)={0x9, 0x1}) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) 2018/05/17 15:02:36 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f0000000100)="30b1fddd0eb454c9beab01846680a5e5a5f2ab7c106a37e333eb3a1fddbbdce5b1bb6915bbe99fb09abe65374bbb2eeee65f7164eace7f1741905990a86787d9b6d668e01a9b81f8062684242034e4ae879dd7745540cc37e615cf01c54ce595ea9a725212c8ff1e04aa2606372753b6a0a062f4a80bdb2c7803730286b5a94885e1e4b2e8fcc1e0c75583e6e6cf36da47c43eb07a10820c3c74f74acf5f1e1e82ed902eb0e91fcb2fa382aa1a905c234ad7ac7896a2d311f2a5b4880a7e04c497ba24db732ee492673d73fa22bef852", 0x35c}], 0x100001a8, 0x0) 2018/05/17 15:02:36 executing program 7: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000100)='/dev/autofs\x00', 0x200040, 0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, r0, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000080)=0x0) getpgid(r2) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:36 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000080)='/dev/audio\x00', 0x0, 0x0) ioctl$BINDER_THREAD_EXIT(r1, 0x40046208, 0x0) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 246.340308] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.345457] ? graph_lock+0x170/0x170 [ 246.349301] ? find_held_lock+0x36/0x1c0 [ 246.353404] ? __lock_is_held+0xb5/0x140 [ 246.357521] ? check_same_owner+0x320/0x320 [ 246.361873] ? kasan_check_write+0x14/0x20 [ 246.366140] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 246.371102] ? rcu_note_context_switch+0x710/0x710 [ 246.376073] __should_failslab+0x124/0x180 [ 246.380346] should_failslab+0x9/0x14 [ 246.384196] kmem_cache_alloc+0x2af/0x760 [ 246.388373] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 246.393344] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.398392] __kernfs_new_node+0xe7/0x580 [ 246.402578] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 246.407365] ? mutex_unlock+0xd/0x10 [ 246.411128] ? kernfs_activate+0x20e/0x2a0 [ 246.415397] ? kernfs_walk_and_get_ns+0x320/0x320 [ 246.420272] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 246.425835] ? kernfs_link_sibling+0x1d2/0x3b0 [ 246.430460] kernfs_new_node+0x80/0xf0 [ 246.434383] __kernfs_create_file+0x4d/0x330 2018/05/17 15:02:36 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 246.438862] sysfs_add_file_mode_ns+0x21a/0x560 [ 246.443571] internal_create_group+0x282/0x970 [ 246.448284] sysfs_create_groups+0x9b/0x150 [ 246.452636] device_add+0x84d/0x16d0 [ 246.456392] ? device_private_init+0x230/0x230 [ 246.460997] ? kfree+0x1e9/0x260 [ 246.464390] ? kfree_const+0x5e/0x70 [ 246.468139] device_create_groups_vargs+0x1ff/0x270 [ 246.473188] device_create_vargs+0x46/0x60 [ 246.477466] bdi_register_va.part.10+0xbb/0x9b0 [ 246.482421] ? cgwb_kill+0x630/0x630 [ 246.486166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 2018/05/17 15:02:36 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(0xffffffffffffffff, r1, 0x0) 2018/05/17 15:02:36 executing program 5: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) [ 246.491725] ? bdi_init+0x416/0x510 [ 246.495373] ? wb_init+0x9e0/0x9e0 [ 246.498943] ? bdi_alloc_node+0x67/0xe0 [ 246.502936] ? bdi_alloc_node+0x67/0xe0 [ 246.506934] ? rcu_read_lock_sched_held+0x108/0x120 [ 246.511977] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 246.517283] ? _raw_spin_unlock+0x22/0x30 [ 246.521475] bdi_register_va+0x68/0x80 [ 246.525393] super_setup_bdi_name+0x123/0x220 [ 246.529926] ? kill_block_super+0x100/0x100 [ 246.534275] ? kmem_cache_alloc_trace+0x616/0x780 2018/05/17 15:02:36 executing program 7: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null\x00', 0x2, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x0, 0x0, 0x1, 0x6}) ioctl$DRM_IOCTL_SG_FREE(r0, 0x40106439, &(0x7f0000000280)={0x1, r1}) r2 = getgid() ioctl$TUNSETGROUP(r0, 0x400454ce, r2) ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f0000000100)) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r3, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:36 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000080)={0xffffffffffffffff}, 0x800) ioctl$SG_IO(r0, 0x2285, &(0x7f0000000300)={0x0, 0xfffffffffffffffc, 0x20, 0x7, @buffer={0x0, 0x51, &(0x7f0000000100)=""/81}, &(0x7f0000000180)="25b8d01334313481ae9cb38580b05b0ce8c7fb672a4bc50c8ed22a31d2c165e8", &(0x7f00000001c0)=""/41, 0x3f, 0x10000, 0xffffffffffffffff, &(0x7f0000000280)}) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) times(&(0x7f0000000040)) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:36 executing program 4: pipe2(&(0x7f0000000140)={0xffffffffffffffff}, 0x4000) bpf$MAP_CREATE(0x0, &(0x7f0000000180)={0x7, 0x8, 0x8, 0xffff, 0x38, r0, 0x9}, 0x2c) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) pipe2(&(0x7f0000000080)={0xffffffffffffffff}, 0x84800) setsockopt$inet6_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000100)='tls\x00', 0x2) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 246.539145] ? match_wildcard+0x3c0/0x3c0 [ 246.543317] ? trace_hardirqs_on+0xd/0x10 [ 246.547500] fuse_fill_super+0xe6e/0x1e20 [ 246.551678] ? fuse_get_root_inode+0x190/0x190 [ 246.556297] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 246.561347] ? kasan_check_read+0x11/0x20 [ 246.565529] ? cap_capable+0x1f9/0x260 [ 246.569452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.575008] ? security_capable+0x99/0xc0 [ 246.579193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.584758] ? ns_capable_common+0x13f/0x170 [ 246.589199] ? get_anon_bdev+0x2f0/0x2f0 [ 246.593284] ? sget+0x113/0x150 [ 246.596591] ? fuse_get_root_inode+0x190/0x190 [ 246.601200] mount_nodev+0x6b/0x110 [ 246.604854] fuse_mount+0x2c/0x40 [ 246.608347] mount_fs+0xae/0x328 [ 246.611743] vfs_kern_mount.part.34+0xd4/0x4d0 [ 246.616350] ? may_umount+0xb0/0xb0 [ 246.620001] ? _raw_read_unlock+0x22/0x30 [ 246.624170] ? __get_fs_type+0x97/0xc0 [ 246.628267] do_mount+0x564/0x3070 [ 246.631856] ? copy_mount_string+0x40/0x40 [ 246.636123] ? rcu_pm_notify+0xc0/0xc0 [ 246.640053] ? copy_mount_options+0x5f/0x380 [ 246.644486] ? rcu_read_lock_sched_held+0x108/0x120 [ 246.649560] ? kmem_cache_alloc_trace+0x616/0x780 [ 246.654453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.660019] ? copy_mount_options+0x285/0x380 [ 246.664552] ksys_mount+0x12d/0x140 [ 246.668219] __x64_sys_mount+0xbe/0x150 [ 246.672216] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 246.677261] do_syscall_64+0x1b1/0x800 [ 246.681172] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 246.686044] ? syscall_return_slowpath+0x5c0/0x5c0 [ 246.691002] ? syscall_return_slowpath+0x30f/0x5c0 [ 246.695970] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 246.701374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.706252] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 246.711655] RIP: 0033:0x455a09 [ 246.714861] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 246.722594] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 246.729894] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 246.737190] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 246.744483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 246.751779] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:36 executing program 2: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x4a00, 0x0) ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffff9c, 0xc0086420, &(0x7f0000000080)={0x0}) ioctl$DRM_IOCTL_RM_CTX(r0, 0xc0086421, &(0x7f0000000100)={r1, 0x3}) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:36 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x0, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:36 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:36 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_int(0xffffffffffffffff, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r0, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:36 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r0, 0x0) 2018/05/17 15:02:36 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = syz_open_dev$mouse(&(0x7f0000000080)='/dev/input/mouse#\x00', 0x1ff, 0x2080) ioctl$EVIOCSABS2F(r1, 0x401845ef, &(0x7f0000000100)={0x2, 0x554, 0x904a, 0x9a3, 0x27cc8ea2, 0x8}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:36 executing program 0 (fault-call:2 fault-nth:57): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:36 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0xfffffe97, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7, 0x8, 0x5, 0x14}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:36 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x9, 0x0) ioctl$TUNSETQUEUE(r3, 0x400454d9, &(0x7f0000000140)={'lo\x00', 0x400}) getsockopt$bt_sco_SCO_OPTIONS(r3, 0x11, 0x1, &(0x7f00000000c0)=""/22, &(0x7f0000000100)=0x16) dup3(r0, r2, 0x0) [ 246.995301] FAT-fs (loop0): bogus number of reserved sectors [ 247.001265] FAT-fs (loop0): Can't find a valid FAT filesystem [ 247.037341] FAULT_INJECTION: forcing a failure. [ 247.037341] name failslab, interval 1, probability 0, space 0, times 0 [ 247.048705] CPU: 1 PID: 18768 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 247.056005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.065383] Call Trace: [ 247.068003] dump_stack+0x1b9/0x294 [ 247.071669] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.076884] ? perf_trace_lock_acquire+0xe3/0x980 [ 247.081779] should_fail.cold.4+0xa/0x1a [ 247.085879] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.091028] ? graph_lock+0x170/0x170 [ 247.094876] ? find_held_lock+0x36/0x1c0 [ 247.098983] ? __lock_is_held+0xb5/0x140 [ 247.103275] ? check_same_owner+0x320/0x320 [ 247.107630] ? kasan_check_write+0x14/0x20 [ 247.111894] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 247.116853] ? rcu_note_context_switch+0x710/0x710 [ 247.121849] __should_failslab+0x124/0x180 [ 247.126146] should_failslab+0x9/0x14 [ 247.129978] kmem_cache_alloc+0x2af/0x760 [ 247.134152] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 247.139123] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.144172] __kernfs_new_node+0xe7/0x580 [ 247.148356] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 247.153168] ? mutex_unlock+0xd/0x10 [ 247.156910] ? kernfs_activate+0x20e/0x2a0 [ 247.161265] ? kernfs_walk_and_get_ns+0x320/0x320 [ 247.166145] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 247.171712] ? kernfs_link_sibling+0x1d2/0x3b0 [ 247.176341] kernfs_new_node+0x80/0xf0 [ 247.180293] __kernfs_create_file+0x4d/0x330 2018/05/17 15:02:37 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:37 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa2f4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000000040)=[{&(0x7f00000000c0)="10"}], 0x1, 0x0) 2018/05/17 15:02:37 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r2 = dup3(r1, r0, 0x80000) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r2, 0x894b, &(0x7f0000000180)) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r3 = dup3(r0, r0, 0x80000) getgroups(0x1, &(0x7f0000000100)=[0x0]) r5 = getegid() getgroups(0x2, &(0x7f0000000140)=[r4, r5]) setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(r3, 0x28, 0x0, &(0x7f0000000080)=0x20000005, 0x8) 2018/05/17 15:02:37 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0xffffffffffffffff, 0x6, 0x1, 0x6, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8}, 0x20) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f0000000100)={{0x3, 0x3, 0x1, 0x1, 0x9}}) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:37 executing program 4: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffff9c, 0x4c82) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r2) fcntl$getown(r1, 0x9) fcntl$getown(r0, 0x9) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000100)=0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffa, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, r3, 0x0, 0xffffffffffffffff, 0x0) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r4, &(0x7f0000000140)="8bfc82e74598", &(0x7f0000000300)}, 0x20) ioctl$void(r4, 0xc004587f) [ 247.184749] sysfs_add_file_mode_ns+0x21a/0x560 [ 247.189555] internal_create_group+0x282/0x970 [ 247.194181] sysfs_create_groups+0x9b/0x150 [ 247.198528] device_add+0x84d/0x16d0 [ 247.202360] ? device_private_init+0x230/0x230 [ 247.206961] ? kfree+0x1e9/0x260 [ 247.210382] ? kfree_const+0x5e/0x70 [ 247.214128] device_create_groups_vargs+0x1ff/0x270 [ 247.219166] device_create_vargs+0x46/0x60 [ 247.223437] bdi_register_va.part.10+0xbb/0x9b0 [ 247.228128] ? cgwb_kill+0x630/0x630 [ 247.231864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 2018/05/17 15:02:37 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x0, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) [ 247.237422] ? bdi_init+0x416/0x510 [ 247.241079] ? wb_init+0x9e0/0x9e0 [ 247.244645] ? bdi_alloc_node+0x67/0xe0 [ 247.248639] ? bdi_alloc_node+0x67/0xe0 [ 247.252638] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.257679] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 247.262990] ? _raw_spin_unlock+0x22/0x30 [ 247.267175] bdi_register_va+0x68/0x80 [ 247.271114] super_setup_bdi_name+0x123/0x220 [ 247.275637] ? kill_block_super+0x100/0x100 [ 247.279994] ? kmem_cache_alloc_trace+0x616/0x780 [ 247.284859] ? match_wildcard+0x3c0/0x3c0 [ 247.289032] ? trace_hardirqs_on+0xd/0x10 [ 247.293222] fuse_fill_super+0xe6e/0x1e20 [ 247.297410] ? fuse_get_root_inode+0x190/0x190 [ 247.302018] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 247.307073] ? kasan_check_read+0x11/0x20 [ 247.311248] ? cap_capable+0x1f9/0x260 [ 247.315169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.320730] ? security_capable+0x99/0xc0 [ 247.324912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.330476] ? ns_capable_common+0x13f/0x170 2018/05/17 15:02:37 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x400, 0x160) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r2, r0, 0x0) r3 = shmget(0x0, 0x4000, 0x78000000, &(0x7f0000ffc000/0x4000)=nil) shmctl$IPC_INFO(r3, 0x3, &(0x7f0000000040)=""/31) [ 247.335090] ? get_anon_bdev+0x2f0/0x2f0 [ 247.339175] ? sget+0x113/0x150 [ 247.342483] ? fuse_get_root_inode+0x190/0x190 [ 247.347090] mount_nodev+0x6b/0x110 [ 247.350745] fuse_mount+0x2c/0x40 [ 247.354227] mount_fs+0xae/0x328 [ 247.357630] vfs_kern_mount.part.34+0xd4/0x4d0 [ 247.362237] ? may_umount+0xb0/0xb0 [ 247.365884] ? _raw_read_unlock+0x22/0x30 [ 247.370054] ? __get_fs_type+0x97/0xc0 [ 247.373976] do_mount+0x564/0x3070 [ 247.377561] ? copy_mount_string+0x40/0x40 [ 247.381824] ? rcu_pm_notify+0xc0/0xc0 2018/05/17 15:02:37 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x0, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:37 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x0, 0x0) setsockopt$bt_BT_SECURITY(r2, 0x112, 0x4, &(0x7f0000000080)={0x3, 0x3}, 0x2) setsockopt$inet6_tcp_TCP_MD5SIG(r2, 0x6, 0xe, &(0x7f0000000100)={@in6={{0xa, 0x4e20, 0xb7, @remote={0xfe, 0x80, [], 0xbb}, 0x4}}, 0x9, 0x80000000, 0x51, "d5d929d0cac5a2bad1ab4fad7b2c7a65bcd5f50cc4e47781e2bd9d51869b2dd13dab0c03f515e06ecc40b6afec4c3cfdaab2b82cefaa5474fc15bfee90ff3fad5956e500857ae62997fa932fb172c2b2"}, 0xd8) 2018/05/17 15:02:37 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:37 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000180)='/proc/self/net/pfkey\x00', 0x8080, 0x0) setsockopt$EBT_SO_SET_COUNTERS(r1, 0x0, 0x81, &(0x7f0000000280)={'raw\x00', 0x2, [{}, {}]}, 0x48) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) ioctl$PPPIOCSMRU(r1, 0x40047452, &(0x7f0000000080)=0x1) 2018/05/17 15:02:37 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = openat(0xffffffffffffffff, &(0x7f0000000080)='./file0\x00', 0x402, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000140)='IPVS\x00') sendmsg$IPVS_CMD_SET_INFO(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x41000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x140, r2, 0x100, 0x70bd2d, 0x25dfdbfd, {0xe}, [@IPVS_CMD_ATTR_DEST={0x18, 0x2, [@IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@local={0xac, 0x14, 0x14, 0xaa}}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xffffffff}, @IPVS_CMD_ATTR_SERVICE={0x2c, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x12}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x84}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x3e}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x1}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x16}]}, @IPVS_CMD_ATTR_DEST={0x38, 0x2, [@IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@local={0xfe, 0x80, [], 0xaa}}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x401}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0x2}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x4}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9}]}, @IPVS_CMD_ATTR_DEST={0x6c, 0x2, [@IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x3}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0x2}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x7}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x20000000000}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@mcast2={0xff, 0x2, [], 0x1}}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x6}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x100000001}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x8}]}, @IPVS_CMD_ATTR_DEST={0x1c, 0x2, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x8}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x3}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x9}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x838a}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x9}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xff17}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x100000000}]}, 0x140}, 0x1, 0x0, 0x0, 0x40}, 0x4000044) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 247.385754] ? copy_mount_options+0x5f/0x380 [ 247.390198] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.395244] ? kmem_cache_alloc_trace+0x616/0x780 [ 247.400118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.405692] ? _copy_from_user+0xdf/0x150 [ 247.409871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.415430] ? copy_mount_options+0x285/0x380 [ 247.419960] ksys_mount+0x12d/0x140 [ 247.423618] __x64_sys_mount+0xbe/0x150 [ 247.427640] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 247.432689] do_syscall_64+0x1b1/0x800 [ 247.436598] ? finish_task_switch+0x1ca/0x840 [ 247.441120] ? syscall_return_slowpath+0x5c0/0x5c0 [ 247.446083] ? syscall_return_slowpath+0x30f/0x5c0 [ 247.451049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.456604] ? retint_user+0x18/0x18 [ 247.460616] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.465490] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.470692] RIP: 0033:0x455a09 [ 247.473896] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 247.481635] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 2018/05/17 15:02:37 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0xffffffffffffffff, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 247.488929] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 247.496310] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 247.503602] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 247.510895] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:37 executing program 0 (fault-call:2 fault-nth:58): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:37 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:37 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000100)='/dev/qat_adf_ctl\x00', 0x2, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(r2, 0x408c5333, &(0x7f0000000140)={0x3, 0x1769, 0x200, 'queue0\x00', 0x6}) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x40, 0x0) ioctl$EVIOCGKEYCODE(r3, 0x80084504, &(0x7f0000000080)=""/54) 2018/05/17 15:02:37 executing program 4: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000100)={r0, &(0x7f0000000140)="ef290df7da88c304d757725e86f43e856ec4a7e11411ed655c652f464764e0f2718182d3dfd6fdac2de0b170ab96d06050fc554cb1f7ad4a1ceed19d", &(0x7f0000000300)}, 0x20) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f00000000c0)="57c22f785a17456be8cc94b7393d4b0d42bbbeb1e5e88c6bc7c96bcd76aaebea9bdc", 0x22) 2018/05/17 15:02:37 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x2000000000000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:37 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x0, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:37 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0xfffffffffffffffd}, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:37 executing program 6: r0 = syz_open_dev$mouse(&(0x7f0000000040)='/dev/input/mouse#\x00', 0x400, 0x10000) ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r1, r3, 0x0) [ 247.761728] FAT-fs (loop0): bogus number of reserved sectors [ 247.767701] FAT-fs (loop0): Can't find a valid FAT filesystem [ 247.789999] QAT: Invalid ioctl [ 247.797321] FAULT_INJECTION: forcing a failure. [ 247.797321] name failslab, interval 1, probability 0, space 0, times 0 [ 247.809374] CPU: 1 PID: 18841 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 247.816674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.826059] Call Trace: [ 247.828694] dump_stack+0x1b9/0x294 [ 247.832355] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.837571] ? perf_trace_lock_acquire+0xe3/0x980 [ 247.841215] QAT: Invalid ioctl [ 247.842473] should_fail.cold.4+0xa/0x1a [ 247.842499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.842530] ? graph_lock+0x170/0x170 [ 247.858728] ? find_held_lock+0x36/0x1c0 [ 247.862839] ? __lock_is_held+0xb5/0x140 [ 247.866959] ? check_same_owner+0x320/0x320 [ 247.871313] ? kasan_check_write+0x14/0x20 [ 247.875575] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 247.880548] ? rcu_note_context_switch+0x710/0x710 [ 247.885524] __should_failslab+0x124/0x180 [ 247.889797] should_failslab+0x9/0x14 [ 247.893630] kmem_cache_alloc+0x2af/0x760 [ 247.897808] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 247.902776] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.907832] __kernfs_new_node+0xe7/0x580 [ 247.912027] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 247.916820] ? mutex_unlock+0xd/0x10 [ 247.920564] ? kernfs_activate+0x20e/0x2a0 [ 247.924835] ? kernfs_walk_and_get_ns+0x320/0x320 [ 247.929705] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 247.935265] ? kernfs_link_sibling+0x1d2/0x3b0 [ 247.939892] kernfs_new_node+0x80/0xf0 [ 247.943819] __kernfs_create_file+0x4d/0x330 [ 247.948271] sysfs_add_file_mode_ns+0x21a/0x560 [ 247.952988] internal_create_group+0x282/0x970 [ 247.957616] sysfs_create_groups+0x9b/0x150 2018/05/17 15:02:37 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:37 executing program 4: r0 = accept4$unix(0xffffffffffffffff, &(0x7f00000000c0), &(0x7f0000000280)=0x6e, 0x80000) r1 = getpid() getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000000800)={{{@in=@local, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in6=@loopback}}, &(0x7f0000000900)=0xe8) getgroups(0x9, &(0x7f0000000940)=[0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff]) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = syz_open_dev$vcsn(&(0x7f0000000980)='/dev/vcs#\x00', 0x2, 0x0) r6 = openat$ppp(0xffffffffffffff9c, &(0x7f00000009c0)='/dev/ppp\x00', 0x501100, 0x0) socketpair(0x11, 0x2, 0x26d, &(0x7f0000000a00)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000a40)={0xffffffffffffffff}) r9 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000a80)='/dev/hwrng\x00', 0x2000, 0x0) r10 = syz_open_dev$mice(&(0x7f0000000ac0)='/dev/input/mice\x00', 0x0, 0x400000) r11 = socket$pptp(0x18, 0x1, 0x2) r12 = openat$zero(0xffffffffffffff9c, &(0x7f0000000b00)='/dev/zero\x00', 0x40000, 0x0) r13 = syz_open_dev$vcsn(&(0x7f0000000b40)='/dev/vcs#\x00', 0xfa, 0x2800) r14 = inotify_init1(0x80000) r15 = syz_open_dev$vcsa(&(0x7f0000000b80)='/dev/vcsa#\x00', 0x10, 0x101600) r16 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000bc0)='./cgroup/syz0\x00', 0x200002, 0x0) r17 = socket$bt_hidp(0x1f, 0x3, 0x6) r18 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) r19 = socket$bt_rfcomm(0x1f, 0x3, 0x3) r20 = socket$inet_sctp(0x2, 0x5, 0x84) r21 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000c40)={&(0x7f0000000c00)='./file0\x00', 0x0, 0x8}, 0x10) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000c80)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000cc0)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@dev}}, &(0x7f0000000dc0)=0xe8) stat(&(0x7f0000000e00)='./file0\x00', &(0x7f0000000e40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$unix(r0, &(0x7f0000000fc0)={&(0x7f00000002c0)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000780)=[{&(0x7f0000000340)="e8a16f19e9dea3d12fa300f2d251d2cc52c655efaf6ccebea245da808ed06c6fb816fb03ce1c446444be7f05a5638d172f4680934ed4847e1e8262f759d18443c50a2b4a453d7d67e54e32cc95ea3e1127e0027a4609f7327af33421981fc7d78bcb8d3ac765ce2249b618772a5e917b3031d953343a8e15f81187cf8176c376de7ce609498f3bfb902df8cf5c965ca91f5dc32bf10ba305b39e70c39ab3fa75b34f5d769d4602c6b75015f834e204d873a06155bba81b98804e3ef0e98b3750e8672d850b45dfcb22c95e37782d67fd39da63c1a6acd65d93f31818b02719e9377e02bf7ba3a393b22e975c4c2b", 0xee}, {&(0x7f0000000440)="f11c4619da69951b2c80fbad7fa0800e5ffdf67eaf8709633b4153368b0b30a42c34afb1d5a79089babb0ec7bc3d1e49773db1f0cb2b42a0ca10cfc38dabed4f6742f3de2c11fa6a6ec5d757ab070d05c5af6c2c5247716fdbe23a0625d241c825c056", 0x63}, {&(0x7f00000004c0)="61a013b8d4774a39faaeab6fc757b37f66ffffa896504661720a52f3cd60632b762fd73f19d5310b0f2ea349c3089f2fc7111f47fb3eebb35ced797873bee3333b623da6ea888c86e5778ab73c73a529c9f2ebb408141d4c53db814406e72a9774f5142e006a212e96a043203ad718a2760bad3b2943ed2db25624ec8b9dd96d3f981e60194127cb770c362a3c63a919", 0x90}, {&(0x7f0000000580)="6d0627dba74fe5fb077d1e55f9dd3753b38266222d72fb91cfeabe14ea5c1c7786d2282b01760be20627d31bd601147a8b790ed98e2d07c2372817ddaf5a518913f63b9bd590a91f509a400b0a77700bd3b452d2770eaee69d79be649c2cefcba4637fef0b24c48ee5d9ed9bc3bd5b6b6d562aa1b28090c02a6994d940e63333cfb6b8c7499c0bc70172c4b606204e24a1448316de17cde2c268efd12e7f6fdb7496be1e7b9598265de9c9565673b34530a2a9f398bd37a0b383a4be0421b1a2478cd8b61e77c4f79f6ab9b7baae", 0xce}, {&(0x7f0000000680)="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", 0xfb}], 0x5, &(0x7f00000010c0)=ANY=[@ANYBLOB="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", @ANYRES32=r1, @ANYRES32=r2, @ANYRES32=r3, @ANYBLOB="0000000018000000000000000100000001000000", @ANYRES32=r4, @ANYBLOB="0000000020000000000000000100000001000000", @ANYRES32=r5, @ANYRES32=r6, @ANYRES32=r7, @ANYBLOB="0000000038000000000000000100000001000000", @ANYRES32=r8, @ANYRES32=r9, @ANYRES32=r10, @ANYRES32=r11, @ANYRES32=r12, @ANYRES32=r13, @ANYRES32=r14, @ANYRES32=r15, @ANYRES32=r16, @ANYRES32=r17, @ANYBLOB="20000000000000000100000001000000", @ANYRES32=r18, @ANYRES32=r19, @ANYRES32=r20, @ANYRES32=r21, @ANYBLOB="20000000000000000100000002000000", @ANYRES32=r22, @ANYRES32=r23, @ANYRES32=r24, @ANYBLOB='\x00\x00\x00\x00'], 0xd0, 0x5}, 0xc000) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r25 = bpf$MAP_CREATE(0x0, &(0x7f0000000080)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000040)={r25, &(0x7f0000000140)="4cdc45b1051ff508761b5c123fdaea8a1b4194d6f1afc9081ccf1f1893a4cf11cd93d6c5dc93d69188c42d63e341851974013e7cb6ebae928802aa5a5a950188e02d0d1c15e1fdd8e647ae5475ad88b82887ce5297cd20d7ae126749190b3562bd3e47c737b74cbb6392a3a9f4ae3cc9caec9ba236ace834523e95f777c993ffdece2d02884657bd2197a994e78e3734d4ee94e6d7f71dbcaf10eeb4f39615af65a8", &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:37 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = shmget$private(0x0, 0x1000, 0x8, &(0x7f0000fff000/0x1000)=nil) syz_mount_image$ntfs(&(0x7f0000000480)='ntfs\x00', &(0x7f0000000680)='./file0\x00', 0xf69, 0xa, &(0x7f0000000d00)=[{&(0x7f00000006c0)="cf38662fbbdd952f41a547b66f696c427c1cebd1f5e5e16da3fd898dd13f9ed3c3688b77c136071577d872bab8d7154ab652648ab15e7081200d0f27e1a3f5f6b36c4784b1976859503bc83867996c476e41e2d4b9bb2fea8f72f4cf51331dd5533c306d2d13a0ddfeeeb13fce249019649abc2011fdbea5a5083c4bcf15d8b2179c51204238a343f69c474676144080358e06bb079c344c0b5264c0a7431f6db8bae2f613d6de1b51f4375917b1da53296b5da9e8f86ac4a78cbbf329f7500ea21b9eae5f142617871f2b1aad910a38606044d2900c16ec7f6882fbfde5ac4bc816aa71b1a27568f081783fd628b85b661f40", 0xf3, 0x2}, {&(0x7f00000007c0)="413b3c0615eda345dd4b60c94554fd4251352b8d9f6417a772e535bc7ea31236339517e0e7094d22bc5bf729b29196500193c25fcd7fa9ba9a379275de31245644d7d00109e9b3e32997fa93ebd77f4277c99f15045ff92cada7757c2d538df1ac9d4addadae5fe77b2b39e3fc2d5ab3b75b2e4446ad820148e29d5b9691d63997ded949e7e64301d12e1db8f3e256558ff0b8f62bbf45c6a00957d847a82e8867cb8014e735440d7f6bd0650ea9afb1e2", 0xb1, 0x2d10}, {&(0x7f0000000880)="3e79ec990e9d6483d5fa449e14e8e730ffcc9aeaf5ade9f4dddec710b29b00cf4e38506a8ddf3ebad99983e1f99682096f26c8", 0x33, 0x6}, {&(0x7f00000008c0)="a5e5d9ac7987b87b6f9294c620c95f538797520dc05abd90a568cb21af5f6ea89c36268356ecd9ebb2fb367d50fbd120e591f91bc35306fe6c0061e279048c18d83c23e2d47e6d6d52f5b9b8aad73500d40a07ef79c6ac1aefdd2ddaa04a6e58d4315f24", 0x64, 0x1}, {&(0x7f0000000940)="393e5321a554bbf72e3192dd6352125c953239620db34af02a7cd24c201ec56ad0583d452c6ee31a70eb8cbfa3d362ab08afab5297b15f329c96655be07b2975026364b7d15ceb2272b20d25baef41a1f869519f321a812fa485f053248c95f93822a5b210bdcc0b29de9ac68b46df57ea88c0dd33a76514a939d008f92dbd7240f231f8b909b590dead03bc4308f27b4606d425b4cf1a19b96f005289a6a473d3ec68847eb783139e948f709a8e5a8ae488fd79e1112dda", 0xb8, 0x100000001}, {&(0x7f0000000a00)="0f57dca28865f8abd94122044cee11c98356a86ba9622a1ef15a6095e41214597fc965750271c42404398d463010e2bbe53b30e9ad5eb930712630cb21d3162b8e6e16dd50844577763d6fa2deebc4d2fa8b747faf45b9d39fa017c79ae1f62592c9c85043f4bd9813", 0x69}, {&(0x7f0000000a80)="5bbad1ebffa5faed8dd40b231e34810587024d867c53a09a1215c62d60efcc53a8b77a2d03ccd5bbe54f205983a1e842ce93a4079b7de0c8e0171fb0293721b9efacf07dd4f7576a4f0c72c1382121d8b690826799271b8ea9157a67edc0ec0f14c7d0e2eaefe4c9fb577fb65a958bb02104add2553a9c045e2638dad0b8984f5424b6abf233b38d257ef6f1c2af147bf49982ec814edb56cceea9a59a690f50e55fbd40d080672c095d7442f25384", 0xaf, 0x778}, {&(0x7f0000000b40)="0b1887dc69040bdbae5c44a0d9d9a8579ed17ec045c19fa377810504903d35f50b3d3281ed5bc63ce14c3dcd8486edbb6bfbcd29498e91e7fb504b87459f94d6b2ee62f41dc606e257080cce54691c30e17ae8654437c9c8691464a921007905f47c4ed2cf39235f3262a298f4d428d1fa3757dbd3d0c4848de70b9bd35888cde917e1febcd6b444d801cc07154fc8d1f35ce96cd147fd8b8947e936aa42db72db3b9831640c84cde0653cd4ff4b864d2b3f7bd64869ea6212782c87b446db073cad65a4714ad62da98a554d056fbbcca9e4178bff5d4d918876ca69bcb0ffbeb60419bc7d09", 0xe6}, {&(0x7f0000000c40)="b4f0ff05bfb29ec7278290d791b6f9d935f80bb6613085fa45ff85832b8949325f5c9f7a18da660fa9", 0x29, 0x7f}, {&(0x7f0000000c80)="bbf63260ee5bd41c2a87ff7f7fe6a16b0fb6c9a89cc4a356304c3828e056e97e9894ad1dd17538a05b6b51f8b630a8c9b3c70c4ef8d930da5f61206d81d0c62e41351a072e96551a84aea4444e577fb9aa761bad19f3a34f4eeda07880", 0x5d, 0x5}], 0x84804, &(0x7f0000000e00)) r2 = geteuid() r3 = getgid() getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f0000000100)={{{@in6=@remote, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in6=@loopback}}, &(0x7f0000000040)=0xe8) getresgid(&(0x7f0000000080), &(0x7f0000000280)=0x0, &(0x7f0000000300)) r6 = getpgid(0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000340)=0x0) shmctl$IPC_SET(r1, 0x1, &(0x7f0000000380)={{0xfff, r2, r3, r4, r5, 0xa5, 0xd5}, 0xfa, 0x2, 0x4, 0x1, r6, r7, 0x400}) r8 = openat$audio(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/audio\x00', 0x3, 0x0) getsockopt$inet_sctp_SCTP_DELAYED_SACK(0xffffffffffffff9c, 0x84, 0x10, &(0x7f0000000500)=@assoc_value={0x0, 0x7}, &(0x7f0000000540)=0x8) ioctl$KVM_SET_GUEST_DEBUG(r8, 0x4048ae9b, &(0x7f0000000400)={0x90000, 0x0, [0xffffffff, 0x4, 0xff, 0x8, 0x3409, 0x7fffffff, 0x101, 0x8]}) setsockopt$inet_sctp6_SCTP_CONTEXT(r8, 0x84, 0x11, &(0x7f0000000580)={r9, 0x7}, 0x8) r10 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r10, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) ioctl$KVM_GET_EMULATED_CPUID(r8, 0xc008ae09, &(0x7f00000005c0)=""/136) getsockopt$netrom_NETROM_N2(r8, 0x103, 0x3, &(0x7f0000000e40)=0x3, &(0x7f0000000e80)=0x4) [ 247.961972] device_add+0x84d/0x16d0 [ 247.965729] ? device_private_init+0x230/0x230 [ 247.970344] ? kfree+0x1e9/0x260 [ 247.973742] ? kfree_const+0x5e/0x70 [ 247.977489] device_create_groups_vargs+0x1ff/0x270 [ 247.982536] device_create_vargs+0x46/0x60 [ 247.986810] bdi_register_va.part.10+0xbb/0x9b0 [ 247.991510] ? cgwb_kill+0x630/0x630 [ 247.995256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.000822] ? bdi_init+0x416/0x510 [ 248.004470] ? wb_init+0x9e0/0x9e0 [ 248.008044] ? bdi_alloc_node+0x67/0xe0 2018/05/17 15:02:37 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x5, 0x5, 0x1}, 0xffffffffffffff7c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = openat(0xffffffffffffffff, &(0x7f0000000080)='./file0\x00', 0x10000, 0x11) getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, &(0x7f00000002c0)=@assoc_value={0x0, 0x7}, &(0x7f0000000280)=0x8) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000180)={r2, 0x1}, &(0x7f00000001c0)=0x8) [ 248.012044] ? bdi_alloc_node+0x67/0xe0 [ 248.016047] ? rcu_read_lock_sched_held+0x108/0x120 [ 248.021090] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 248.026399] ? _raw_spin_unlock+0x22/0x30 [ 248.030579] bdi_register_va+0x68/0x80 [ 248.034505] super_setup_bdi_name+0x123/0x220 2018/05/17 15:02:37 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) socket$netlink(0x10, 0x3, 0x0) openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x2, 0x80) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x581000, 0x0) ioctl$KVM_ASSIGN_SET_MSIX_ENTRY(r3, 0x4010ae74, &(0x7f00000000c0)={0x740, 0x3, 0x7}) dup3(r0, r2, 0x0) 2018/05/17 15:02:37 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(0x0, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 248.039064] ? kill_block_super+0x100/0x100 2018/05/17 15:02:37 executing program 2: r0 = getpid() perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x6}, 0x3, 0x80000001, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x7}, r0, 0x0, 0xffffffffffffffff, 0xfffffffffffffffc) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000100)="6370757365742e6370755f6578636c7573697665001f5e40b7df436fe5e469be9980a01a655c6e8b7cc928d81b07c6699a37133d470aad32db9b347348956b", 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r3 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x101, 0x0) ioctl$TIOCLINUX7(r3, 0x541c, &(0x7f0000000180)={0x7}) [ 248.039089] ? kmem_cache_alloc_trace+0x616/0x780 [ 248.039108] ? match_wildcard+0x3c0/0x3c0 2018/05/17 15:02:38 executing program 7: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv4/vs/pmtu_disc\x00', 0x2, 0x0) pwritev(r0, &(0x7f0000000080)=[{&(0x7f0000000700)="e7958903a063f5a43373c685e13e6f7089bb1d2a89d2917f07ea52ed062ba29b0260da23a90c1ba6f0277c945ba3c6c3803e1cde6ad7b890bb0b749f8d6924efe1e59dd602d8b3511ff63bb0dad95af27ea4407807a49a96c7e6aad8cbb081bcc9a9f66ae297bbd4701317e6c90255b328352d2dff8b84dd892968e9373da1683cc8b08ce245e6a861c68ff063a234a5b7f67bf742eda86a7807411930690685d7374698334db2fcb8c6d037396a96b0891012d3648967d153e90d38f3", 0xbd}, {&(0x7f0000000500)="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", 0x92}], 0x1000000000000102, 0x0) ioctl$sock_ipx_SIOCSIFADDR(r0, 0x8916, &(0x7f00000001c0)={'veth1_to_team\x00', {0x4, 0x40, 0x8, "ea0b6cb07505", 0x1c}}) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) socket$inet6_udp(0xa, 0x2, 0x0) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000440)="eb25f7015de53e7de28b37979253f5ec92f04bdcbc46d60f1ad875470bc85926b9f887001c93c5ca69e11ffa41427052b558f29cba9a1d902e2dd7fd73d81935477f81ff27106548bf8b7035e57a4545b846febbdfe391e5045d00f6d94602051af9112eda7b53a8668f062f78770db43ba89955f6318b722b9e46ce501eddc14ff26d6758c6cca35eefca34ce419589640758a4ee1fd93505", &(0x7f0000000080)}, 0x20) [ 248.039129] ? trace_hardirqs_on+0xd/0x10 [ 248.039158] fuse_fill_super+0xe6e/0x1e20 [ 248.039181] ? fuse_get_root_inode+0x190/0x190 [ 248.039204] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 248.039231] ? kasan_check_read+0x11/0x20 [ 248.039256] ? cap_capable+0x1f9/0x260 [ 248.039287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.039304] ? security_capable+0x99/0xc0 [ 248.039329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.039348] ? ns_capable_common+0x13f/0x170 [ 248.039371] ? get_anon_bdev+0x2f0/0x2f0 [ 248.039388] ? sget+0x113/0x150 [ 248.039413] ? fuse_get_root_inode+0x190/0x190 [ 248.039434] mount_nodev+0x6b/0x110 [ 248.039457] fuse_mount+0x2c/0x40 [ 248.039480] mount_fs+0xae/0x328 [ 248.039510] vfs_kern_mount.part.34+0xd4/0x4d0 [ 248.039535] ? may_umount+0xb0/0xb0 [ 248.039557] ? _raw_read_unlock+0x22/0x30 [ 248.039574] ? __get_fs_type+0x97/0xc0 [ 248.039605] do_mount+0x564/0x3070 [ 248.039625] ? interrupt_entry+0xb1/0xf0 [ 248.039650] ? copy_mount_string+0x40/0x40 [ 248.039671] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.039702] ? retint_kernel+0x10/0x10 [ 248.039735] ? copy_mount_options+0x213/0x380 [ 248.039758] ? write_comp_data+0xa/0x70 [ 248.039784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.039802] ? copy_mount_options+0x285/0x380 [ 248.039828] ksys_mount+0x12d/0x140 [ 248.039853] __x64_sys_mount+0xbe/0x150 [ 248.039870] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 248.039894] do_syscall_64+0x1b1/0x800 [ 248.039909] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 248.039929] ? syscall_return_slowpath+0x5c0/0x5c0 [ 248.039950] ? syscall_return_slowpath+0x30f/0x5c0 [ 248.039976] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 248.040011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.040042] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.040057] RIP: 0033:0x455a09 [ 248.040067] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 248.040088] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 248.040099] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 248.040110] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 248.040121] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 248.040131] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:38 executing program 0 (fault-call:2 fault-nth:59): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:38 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:38 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:38 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet6_dccp_buf(r0, 0x21, 0x0, &(0x7f0000000100)=""/137, &(0x7f0000000040)=0x89) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:38 executing program 1: r0 = gettid() ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000040)=0x0) r2 = accept4$llc(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000100)=0x10, 0x800) r3 = dup(0xffffffffffffff9c) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x0, 0x0) kcmp$KCMP_EPOLL_TFD(r0, r1, 0x7, r2, &(0x7f0000000180)={r3, r4, 0x800}) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xea, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r5 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r6 = openat$cgroup_int(r5, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r6, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:38 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0x7f, 0x40000) ioctl$KVM_ASSIGN_SET_MSIX_NR(r1, 0x4008ae73, &(0x7f0000000100)={0x400, 0x2}) 2018/05/17 15:02:38 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(0xffffffffffffffff, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:38 executing program 4: r0 = syz_open_dev$admmidi(&(0x7f0000000080)='/dev/admmidi#\x00', 0x7fff, 0x200000) bind$nfc_llcp(r0, &(0x7f0000000100)={0x27, 0x0, 0x1, 0x4, 0x0, 0x9, "bc17b63740ef19b014d3c5a5621354cfd5cc60eb04a7e8af5a16ae878b251d37a5a2e163c6ffb49f91c0d3d2b113625581ef1e7d0eb7f3ebc55d66b031e692", 0x3}, 0x60) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:38 executing program 6: socketpair(0x9, 0xa, 0x7fff, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000340)='/dev/sequencer\x00', 0x500, 0x0) perf_event_open$cgroup(&(0x7f0000000280)={0x4, 0x70, 0x52, 0x7, 0x11ea8416, 0x5, 0x0, 0xb3, 0x4000, 0x8, 0x20, 0x356, 0x6, 0x7f, 0x3, 0x91, 0x3ff, 0x2, 0xfffffffffffff000, 0x3, 0x7, 0xffff, 0x0, 0xffffffff, 0x5, 0x9, 0xcd92, 0x0, 0x81, 0x100000001, 0x5d11, 0x2, 0x33, 0x9, 0xfb, 0x80, 0x6c3, 0x74, 0x0, 0x3, 0x5, @perf_config_ext={0x34a5, 0x1}, 0x1002, 0x80000000, 0x5, 0x7, 0x1ff, 0x4, 0x1}, r0, 0x7, r1, 0x3) r2 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.xcpu', 0x200002, 0x0) r4 = openat$cgroup_int(r3, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r5 = dup3(r2, r4, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(r1, 0x2401, 0x4) r6 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DEST(r5, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4002010}, 0xc, &(0x7f0000000140)={&(0x7f0000000380)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r6, @ANYBLOB="00022abd70b34907a025070000000800060000040000e12f21aabc063f0e4b3ffee5f48969350c4b6ab2bb6cb4ffeea0bb0691e0ee7199f84b35c9243d000000009bd94c265adde7fffeb483bce14cf6857fffce586ed7faac9b4ad0c0a6ffd9bd03580790623ff1748321a5f7e9e5365a27b95c215563db397064"], 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x1) [ 248.653300] FAT-fs (loop0): bogus number of reserved sectors [ 248.659289] FAT-fs (loop0): Can't find a valid FAT filesystem [ 248.712087] FAULT_INJECTION: forcing a failure. [ 248.712087] name failslab, interval 1, probability 0, space 0, times 0 [ 248.725158] CPU: 1 PID: 18912 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 248.732474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.741851] Call Trace: [ 248.744479] dump_stack+0x1b9/0x294 [ 248.748143] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.753453] ? perf_trace_lock_acquire+0xe3/0x980 [ 248.758348] should_fail.cold.4+0xa/0x1a [ 248.763670] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.768819] ? graph_lock+0x170/0x170 [ 248.772661] ? find_held_lock+0x36/0x1c0 [ 248.776776] ? __lock_is_held+0xb5/0x140 [ 248.780897] ? check_same_owner+0x320/0x320 [ 248.785247] ? kasan_check_write+0x14/0x20 [ 248.789510] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 248.794468] ? rcu_note_context_switch+0x710/0x710 [ 248.799438] __should_failslab+0x124/0x180 [ 248.803711] should_failslab+0x9/0x14 [ 248.807537] kmem_cache_alloc+0x2af/0x760 [ 248.811717] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 248.816684] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 248.821729] __kernfs_new_node+0xe7/0x580 [ 248.825885] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 248.830642] ? mutex_unlock+0xd/0x10 [ 248.834354] ? kernfs_activate+0x20e/0x2a0 [ 248.838588] ? kernfs_walk_and_get_ns+0x320/0x320 [ 248.843436] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 248.848969] ? kernfs_link_sibling+0x1d2/0x3b0 [ 248.853563] kernfs_new_node+0x80/0xf0 [ 248.857465] __kernfs_create_file+0x4d/0x330 [ 248.861879] sysfs_add_file_mode_ns+0x21a/0x560 [ 248.866597] internal_create_group+0x282/0x970 [ 248.871194] sysfs_create_groups+0x9b/0x150 [ 248.875521] device_add+0x84d/0x16d0 [ 248.879245] ? device_private_init+0x230/0x230 [ 248.883825] ? kfree+0x1e9/0x260 [ 248.887192] ? kfree_const+0x5e/0x70 [ 248.890911] device_create_groups_vargs+0x1ff/0x270 [ 248.895936] device_create_vargs+0x46/0x60 [ 248.900175] bdi_register_va.part.10+0xbb/0x9b0 [ 248.904854] ? cgwb_kill+0x630/0x630 [ 248.908577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.914110] ? bdi_init+0x416/0x510 [ 248.917735] ? wb_init+0x9e0/0x9e0 [ 248.921275] ? bdi_alloc_node+0x67/0xe0 [ 248.925245] ? bdi_alloc_node+0x67/0xe0 [ 248.929218] ? rcu_read_lock_sched_held+0x108/0x120 [ 248.934233] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 248.939514] ? _raw_spin_unlock+0x22/0x30 [ 248.943666] bdi_register_va+0x68/0x80 [ 248.947559] super_setup_bdi_name+0x123/0x220 [ 248.952053] ? kill_block_super+0x100/0x100 [ 248.956375] ? kmem_cache_alloc_trace+0x616/0x780 [ 248.961215] ? match_wildcard+0x3c0/0x3c0 [ 248.965360] ? trace_hardirqs_on+0xd/0x10 [ 248.969518] fuse_fill_super+0xe6e/0x1e20 [ 248.973678] ? fuse_get_root_inode+0x190/0x190 [ 248.978264] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 248.983284] ? kasan_check_read+0x11/0x20 [ 248.987435] ? cap_capable+0x1f9/0x260 [ 248.991329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.996862] ? security_capable+0x99/0xc0 [ 249.001019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.006559] ? ns_capable_common+0x13f/0x170 [ 249.010966] ? get_anon_bdev+0x2f0/0x2f0 [ 249.015032] ? sget+0x113/0x150 [ 249.018317] ? fuse_get_root_inode+0x190/0x190 [ 249.022896] mount_nodev+0x6b/0x110 [ 249.026524] fuse_mount+0x2c/0x40 [ 249.029977] mount_fs+0xae/0x328 [ 249.033360] vfs_kern_mount.part.34+0xd4/0x4d0 [ 249.037946] ? may_umount+0xb0/0xb0 [ 249.041574] ? _raw_read_unlock+0x22/0x30 [ 249.045716] ? __get_fs_type+0x97/0xc0 [ 249.049609] do_mount+0x564/0x3070 [ 249.053148] ? do_raw_spin_unlock+0x9e/0x2e0 [ 249.057561] ? copy_mount_string+0x40/0x40 [ 249.061791] ? rcu_pm_notify+0xc0/0xc0 [ 249.065691] ? copy_mount_options+0x5f/0x380 [ 249.070094] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.075109] ? kmem_cache_alloc_trace+0x616/0x780 [ 249.079954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.085506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.091043] ? copy_mount_options+0x285/0x380 [ 249.095630] ksys_mount+0x12d/0x140 [ 249.099260] __x64_sys_mount+0xbe/0x150 [ 249.103228] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 249.108245] do_syscall_64+0x1b1/0x800 [ 249.112128] ? finish_task_switch+0x1ca/0x840 [ 249.116621] ? syscall_return_slowpath+0x5c0/0x5c0 [ 249.121550] ? syscall_return_slowpath+0x30f/0x5c0 [ 249.126484] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 249.131852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.136702] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 249.141886] RIP: 0033:0x455a09 [ 249.145072] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 249.152792] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 2018/05/17 15:02:39 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0), 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:39 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x4000003, 0x420000) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:39 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:39 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = syz_open_dev$dmmidi(&(0x7f0000000080)='/dev/dmmidi#\x00', 0x5, 0x80) ioctl$DRM_IOCTL_GET_MAP(r1, 0xc0286404, &(0x7f0000000100)={&(0x7f0000ff9000/0x4000)=nil, 0x1, 0x7, 0xc, &(0x7f0000ffc000/0x1000)=nil, 0x6}) 2018/05/17 15:02:39 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0xffffffffffff54dc, 0x0, 0xfffffffffffffffc, 0x40000100000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, 0x3, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x81, 0x40) connect$bt_sco(r2, &(0x7f0000000100)={0x1f, {0xfffffffffffffffb, 0x1f, 0x100000000, 0xdb, 0x5}}, 0x8) setsockopt$RDS_FREE_MR(r2, 0x114, 0x3, &(0x7f0000000080)={{0x2, 0x44b0}, 0x61}, 0x10) [ 249.160059] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 249.167321] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 249.174581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 249.181845] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:39 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000080)='/dev/urandom\x00', 0x101040, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r1, 0x29, 0x2a, &(0x7f0000000340)={0x7, {{0xa, 0x4e22, 0x7fff, @remote={0xfe, 0x80, [], 0xbb}, 0x7}}}, 0x88) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000100)="d0ff9535ee7e2ed1251fae237fe08b784c7e183c100ca5bfed68b66f1dd2a94e7064d1747a20a2906bd073fd235c91dd15801f5c6a13bd649061df2b0113037b03d52496fb9a13b38b5ebf69efb353", &(0x7f0000000280)="16cdc9391dc34b41fd7395f3b044daa3947b84409fb1340a94352618758604c41009ef0d557823d6f0284ef21396b9e7d1af383091c0bcce997b440e865b5e5db52b944ee1c6e18438622cb83312c29cb4eca9860b5aa58ddb283f35e431c47e99f1237f22d9a15a3e1388a26b447cf92072f3fc7f018294fc3db22a239677cfaac1b98bd72737aa2ad875c83ab811da4231c907587d28f2e3ffa7", 0x1}, 0x20) 2018/05/17 15:02:39 executing program 0 (fault-call:2 fault-nth:60): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:39 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$mice(&(0x7f0000000080)='/dev/input/mice\x00', 0x0, 0x100) ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/93) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:39 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse\x00', 0x101800, 0x0) getsockopt$inet_sctp_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000140)=@assoc_id=0x0, &(0x7f0000000180)=0x4) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f00000001c0)={r3}, 0x8) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:39 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x3, 0x614001) ioctl$TIOCEXCL(r3, 0x540c) dup3(r0, r2, 0x0) 2018/05/17 15:02:39 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0x8, 0x0) utime(&(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)={0x1, 0x100}) accept4$inet6(r2, &(0x7f0000000080)={0x0, 0x0, 0x0, @local}, &(0x7f0000000100)=0x1c, 0x80800) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) acct(&(0x7f0000000140)='./file0\x00') 2018/05/17 15:02:39 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:39 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300), 0x1}, 0xc7) 2018/05/17 15:02:39 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(0xffffffffffffffff, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:39 executing program 6: pipe(&(0x7f0000000040)={0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffff9c, 0x84, 0x1f, &(0x7f0000000080)={0x0, @in={{0x2, 0x4e23, @loopback=0x7f000001}}, 0xb92, 0xdf4c}, &(0x7f0000000140)=0x90) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f00000001c0)={r1, 0x5, 0x20}, &(0x7f0000000280)=0xc) r2 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x101, 0x7, 0x0, 0xd3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x1b}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r4 = openat$cgroup_int(r3, &(0x7f0000000180)='cpuset.sched_relax_domain_level\x00', 0x2, 0x0) dup3(r2, r4, 0x0) [ 249.504470] FAT-fs (loop0): bogus number of reserved sectors [ 249.510479] FAT-fs (loop0): Can't find a valid FAT filesystem [ 249.570544] FAULT_INJECTION: forcing a failure. [ 249.570544] name failslab, interval 1, probability 0, space 0, times 0 [ 249.581930] CPU: 1 PID: 18974 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 249.589225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.598603] Call Trace: [ 249.601217] dump_stack+0x1b9/0x294 [ 249.604874] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.610107] ? perf_trace_lock_acquire+0xe3/0x980 [ 249.614990] should_fail.cold.4+0xa/0x1a [ 249.619083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.624223] ? graph_lock+0x170/0x170 [ 249.628046] ? lock_downgrade+0x8e0/0x8e0 [ 249.632226] ? find_held_lock+0x36/0x1c0 [ 249.636323] ? __lock_is_held+0xb5/0x140 [ 249.640438] ? check_same_owner+0x320/0x320 [ 249.644780] ? wait_for_completion+0x870/0x870 [ 249.649392] ? rcu_note_context_switch+0x710/0x710 [ 249.654337] ? graph_lock+0x170/0x170 [ 249.658181] __should_failslab+0x124/0x180 [ 249.662441] should_failslab+0x9/0x14 [ 249.666264] kmem_cache_alloc+0x2af/0x760 [ 249.670449] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 249.675499] __kernfs_new_node+0xe7/0x580 [ 249.679679] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 249.684459] ? kernfs_walk_and_get_ns+0x320/0x320 [ 249.689327] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 249.694896] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 249.700459] ? kernfs_put+0x493/0x750 [ 249.704285] ? kernfs_add_one+0x129/0x4d0 [ 249.708458] ? kernfs_get+0x30/0x30 [ 249.712117] kernfs_new_node+0x80/0xf0 [ 249.716036] kernfs_create_dir_ns+0x3d/0x140 [ 249.720478] internal_create_group+0x110/0x970 [ 249.725079] ? internal_create_group+0x347/0x970 [ 249.729873] sysfs_create_group+0x1f/0x30 [ 249.734052] dpm_sysfs_add+0x26/0x210 [ 249.737881] device_add+0xa11/0x16d0 [ 249.741622] ? device_private_init+0x230/0x230 [ 249.746220] ? kfree+0x1e9/0x260 [ 249.749613] ? kfree_const+0x5e/0x70 [ 249.753356] device_create_groups_vargs+0x1ff/0x270 [ 249.758405] device_create_vargs+0x46/0x60 [ 249.762679] bdi_register_va.part.10+0xbb/0x9b0 [ 249.767377] ? cgwb_kill+0x630/0x630 [ 249.771118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.776675] ? bdi_init+0x416/0x510 [ 249.780330] ? wb_init+0x9e0/0x9e0 [ 249.783902] ? bdi_alloc_node+0x67/0xe0 [ 249.787901] ? bdi_alloc_node+0x67/0xe0 [ 249.791937] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.797150] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 249.802460] ? _raw_spin_unlock+0x22/0x30 [ 249.806645] bdi_register_va+0x68/0x80 [ 249.810553] super_setup_bdi_name+0x123/0x220 [ 249.815065] ? kill_block_super+0x100/0x100 2018/05/17 15:02:39 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0), 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:39 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) pipe(&(0x7f0000000080)={0xffffffffffffffff}) getpeername(0xffffffffffffffff, &(0x7f0000000100)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000180)=0x80) ioctl$sock_inet6_SIOCSIFDSTADDR(r1, 0x8918, &(0x7f00000001c0)={@mcast2={0xff, 0x2, [], 0x1}, 0x4d, r2}) 2018/05/17 15:02:39 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(0xffffffffffffffff, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:39 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:39 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = dup2(r0, r0) ioctl$SG_GET_PACK_ID(r1, 0x227c, &(0x7f0000000080)) r2 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) getsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000100), 0x9e7216e7773981c) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r4 = openat$cgroup_int(r3, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) ioctl$sock_inet_SIOCSIFPFLAGS(r1, 0x8934, &(0x7f0000000040)={'erspan0\x00', 0x40}) pwritev(r4, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:39 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$netlink(0x10, 0x3, 0x9) ioctl$sock_kcm_SIOCKCMUNATTACH(r1, 0x89e1, &(0x7f0000000100)={r2}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 249.819418] ? kmem_cache_alloc_trace+0x616/0x780 [ 249.824283] ? match_wildcard+0x3c0/0x3c0 [ 249.828453] ? trace_hardirqs_on+0xd/0x10 [ 249.832625] fuse_fill_super+0xe6e/0x1e20 [ 249.836809] ? fuse_get_root_inode+0x190/0x190 [ 249.841418] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 249.846467] ? kasan_check_read+0x11/0x20 [ 249.850642] ? cap_capable+0x1f9/0x260 [ 249.854560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.860116] ? security_capable+0x99/0xc0 [ 249.864290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 2018/05/17 15:02:39 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000100)='/dev/cuse\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r2, 0xc0305302, &(0x7f0000000140)={0x5, 0x4122, 0x8, 0x9c0000, 0x10000, 0x4}) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r3 = memfd_create(&(0x7f0000000040)='cpuset.cpu_exclusive\x00', 0x1) ioctl$DRM_IOCTL_CONTROL(r3, 0x40086414, &(0x7f0000000080)={0x3, 0x10000}) [ 249.869845] ? ns_capable_common+0x13f/0x170 [ 249.874278] ? get_anon_bdev+0x2f0/0x2f0 [ 249.878360] ? sget+0x113/0x150 [ 249.881666] ? fuse_get_root_inode+0x190/0x190 [ 249.886268] mount_nodev+0x6b/0x110 [ 249.889919] fuse_mount+0x2c/0x40 [ 249.893394] mount_fs+0xae/0x328 [ 249.896795] vfs_kern_mount.part.34+0xd4/0x4d0 [ 249.901401] ? may_umount+0xb0/0xb0 [ 249.905046] ? _raw_read_unlock+0x22/0x30 [ 249.909212] ? __get_fs_type+0x97/0xc0 [ 249.913134] do_mount+0x564/0x3070 [ 249.917053] ? copy_mount_string+0x40/0x40 [ 249.921307] ? rcu_pm_notify+0xc0/0xc0 [ 249.925232] ? copy_mount_options+0x5f/0x380 [ 249.929655] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.934697] ? kmem_cache_alloc_trace+0x616/0x780 [ 249.939579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.945145] ? copy_mount_options+0x285/0x380 [ 249.949687] ksys_mount+0x12d/0x140 [ 249.953342] __x64_sys_mount+0xbe/0x150 [ 249.957334] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 249.962393] do_syscall_64+0x1b1/0x800 [ 249.966305] ? finish_task_switch+0x1ca/0x840 [ 249.970822] ? syscall_return_slowpath+0x5c0/0x5c0 [ 249.975781] ? syscall_return_slowpath+0x30f/0x5c0 [ 249.980742] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 249.986128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.991001] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 249.996206] RIP: 0033:0x455a09 [ 249.999407] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 250.007145] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 250.014446] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 250.021732] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 250.029016] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 250.036303] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:40 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x400080, 0x0) ioctl$EVIOCSMASK(r1, 0x40104593, &(0x7f0000000280)={0x15, 0xe6, &(0x7f0000000100)="49828c30d85a9f76fc24123d9cd3a6750337664bd95c74f71fdcc916192b511aef5856fdcf91440c7bb6e288023c2a3665375e270f2bdd88e08598a95397824343a0938efe450f44724d3d732f53e7f6fd68031bd11293287b0b789e5d0a575fcf67b8fa62835762b4726747ee09f6d46be5fd69230c938e6c3f7e81a7f97c53cc48ca4e2ff6534fa18e5c23f50e3fcf6dd00da10c2297785c701e5fea6e57189991d26db9c3a45ff2627324f893d634656ce54680a99cddfbc4b733aed6f26e487ef3ad0a321c292c22767f3487617e378d879c18ffc6623ed47043eac3e026fd6c8d35bfaa"}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) ioctl$DRM_IOCTL_ADD_CTX(r1, 0xc0086420, &(0x7f00000002c0)={0x0}) ioctl$DRM_IOCTL_GET_CTX(r1, 0xc0086423, &(0x7f0000000300)={r2, 0x1}) 2018/05/17 15:02:40 executing program 0 (fault-call:2 fault-nth:61): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:40 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snapshot\x00', 0x101040, 0x0) ioctl$KVM_UNREGISTER_COALESCED_MMIO(r3, 0x4010ae68, &(0x7f0000000140)={0x4001}) r4 = dup3(r0, r2, 0x0) getsockopt$bt_BT_VOICE(r4, 0x112, 0xb, &(0x7f0000000040)=0x6, &(0x7f00000000c0)=0x2) 2018/05/17 15:02:40 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(0xffffffffffffffff, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:40 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:40 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(0xffffffffffffffff, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:40 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000280)="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"}, 0x20) 2018/05/17 15:02:40 executing program 1: link(&(0x7f0000000340)='./file0\x00', &(0x7f0000000440)='./file0\x00') r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = fcntl$dupfd(r0, 0x406, r0) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000400), &(0x7f0000000380)=0x14) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup.net/syz0\x00', 0x200002, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)="6e6f646576e02100") r3 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r4 = syz_open_dev$usbmon(&(0x7f0000000080)='/dev/usbmon#\x00', 0x7fffffff, 0x206001) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f0000000100)={0x0, 0x1000, 0x30, 0x3, 0x800}, &(0x7f0000000140)=0x18) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f0000000180)={r5, 0xfffffffffffffffc}, &(0x7f00000001c0)=0x8) ioctl$KVM_SET_MP_STATE(r4, 0x4004ae99, &(0x7f0000000280)=0x7) pwritev(r3, &(0x7f0000000300)=[{&(0x7f00000000c0)='\x00', 0x5eec49c333008fa2}], 0x0, 0xfffffffffffffffc) [ 250.169160] FAT-fs (loop0): bogus number of reserved sectors [ 250.175191] FAT-fs (loop0): Can't find a valid FAT filesystem [ 250.198483] FAULT_INJECTION: forcing a failure. [ 250.198483] name failslab, interval 1, probability 0, space 0, times 0 [ 250.209838] CPU: 1 PID: 19031 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 250.217130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.226503] Call Trace: [ 250.229115] dump_stack+0x1b9/0x294 [ 250.232773] ? dump_stack_print_info.cold.2+0x52/0x52 [ 250.237984] ? perf_trace_lock_acquire+0xe3/0x980 [ 250.242868] should_fail.cold.4+0xa/0x1a [ 250.246958] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.252098] ? graph_lock+0x170/0x170 [ 250.255917] ? lock_downgrade+0x8e0/0x8e0 [ 250.260091] ? find_held_lock+0x36/0x1c0 [ 250.264183] ? __lock_is_held+0xb5/0x140 2018/05/17 15:02:40 executing program 4: r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000080)='/dev/full\x00', 0x1, 0x0) ioctl$KVM_PPC_ALLOCATE_HTAB(r0, 0xc004aea7, &(0x7f0000000100)=0x2) statx(r0, &(0x7f0000000400)='./file0\x00', 0x1000, 0xfff, &(0x7f0000000440)) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$sock_bt_cmtp_CMTPCONNADD(r0, 0x400443c8, &(0x7f0000000540)={r0, 0xfffffffffffffff7}) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000180)='IPVS\x00') ioctl$BLKGETSIZE(r0, 0x1260, &(0x7f00000003c0)) sendmsg$IPVS_CMD_GET_INFO(r0, &(0x7f0000000380)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="08010000", @ANYRES16=r2, @ANYBLOB="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"], 0x100}, 0x1, 0x0, 0x0, 0x8000}, 0x40000) 2018/05/17 15:02:40 executing program 1: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f0000000300)="3b5f4b3854a6bc23", 0x288}], 0x0, 0x0) r2 = open(&(0x7f0000000040)='./file0\x00', 0x100, 0x24) ioctl$TUNSETFILTEREBPF(r2, 0x800454e1, &(0x7f0000000240)=r2) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DEST(r2, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="7c0000d2", @ANYRES16=r3, @ANYBLOB="00012abd7000fcdbdf25070000001c0002000800050002000000080002004e23000008000500050000000c00020008000500af0c00000c000200080002004e21000008000400080000002c0002000800040003000000080008007a0f0000080006000900000008000600010000000800050080000000"], 0x7c}, 0x1, 0x0, 0x0, 0x800}, 0x4004004) 2018/05/17 15:02:40 executing program 7: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x200000000083, 0x7, 0x5, 0x1, 0xffffffffffffffff, 0x1}, 0x3ee) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = dup3(r0, r0, 0x80000) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r1, 0x894b, &(0x7f0000000000)) 2018/05/17 15:02:40 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(0xffffffffffffffff, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 250.268292] ? check_same_owner+0x320/0x320 [ 250.272631] ? wait_for_completion+0x870/0x870 [ 250.277238] ? rcu_note_context_switch+0x710/0x710 [ 250.282189] ? graph_lock+0x170/0x170 [ 250.286022] __should_failslab+0x124/0x180 [ 250.290284] should_failslab+0x9/0x14 [ 250.294108] kmem_cache_alloc+0x2af/0x760 [ 250.298291] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.303340] __kernfs_new_node+0xe7/0x580 [ 250.307521] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 250.312301] ? kernfs_walk_and_get_ns+0x320/0x320 2018/05/17 15:02:40 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(0xffffffffffffffff, &(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:40 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 250.317176] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 250.322745] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 250.328301] ? kernfs_put+0x493/0x750 [ 250.332130] ? kernfs_add_one+0x129/0x4d0 [ 250.336301] ? kernfs_get+0x30/0x30 [ 250.339958] kernfs_new_node+0x80/0xf0 [ 250.343878] kernfs_create_dir_ns+0x3d/0x140 [ 250.348315] internal_create_group+0x110/0x970 [ 250.352924] ? internal_create_group+0x347/0x970 [ 250.357714] sysfs_create_group+0x1f/0x30 [ 250.361888] dpm_sysfs_add+0x26/0x210 [ 250.365714] device_add+0xa11/0x16d0 [ 250.369461] ? device_private_init+0x230/0x230 [ 250.374061] ? kfree+0x1e9/0x260 [ 250.377454] ? kfree_const+0x5e/0x70 [ 250.381194] device_create_groups_vargs+0x1ff/0x270 [ 250.386239] device_create_vargs+0x46/0x60 [ 250.390505] bdi_register_va.part.10+0xbb/0x9b0 [ 250.395371] ? cgwb_kill+0x630/0x630 [ 250.399111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.404663] ? bdi_init+0x416/0x510 [ 250.408304] ? wb_init+0x9e0/0x9e0 [ 250.411865] ? bdi_alloc_node+0x67/0xe0 [ 250.415854] ? bdi_alloc_node+0x67/0xe0 2018/05/17 15:02:40 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndpcmc(&(0x7f0000000080)='/dev/snd/pcmC#D#c\x00', 0x7fffffff, 0x408000) r1 = openat$cgroup_int(r0, &(0x7f0000000100)="6370757365742e6d656d5f6861726477616c6c00f9ccd614051742300a176ba341f93ef6e46c79ee188031c71b4ff86c4625be043efe7d8576f9780f3e6cef52ddda376b18c97ef5576044b950926578b8b5eb62d2c3cce637311a5d4ece9c93c4f505bfb772e4b45d46b1631d7371f796e639975ee29ede0f741b1245e74a218a98c5a065d32526b11ded5b274a4dc47a8040db1364c95215231f588c0bec464d0055349adedcd1925b41e6f7a9e30114fa5807984afd106d59bdd61788725be9bfb20242dc75a5bb998797da2c57d28c4378bc0b", 0x2, 0x0) poll(&(0x7f0000000040)=[{r1, 0x200}], 0x1, 0x80000001) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:40 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, @perf_bp, 0x10001}, 0x0, 0x0, 0xffffffffffffffff, 0x4) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x4001, 0x0) ioctl$BLKBSZSET(r1, 0x40081271, &(0x7f0000000100)=0x2) openat$dir(0xffffffffffffff9c, &(0x7f0000000140)='./file0\x00', 0x600, 0x8) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 250.419849] ? rcu_read_lock_sched_held+0x108/0x120 [ 250.424887] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 250.430186] ? _raw_spin_unlock+0x22/0x30 [ 250.434359] bdi_register_va+0x68/0x80 [ 250.438270] super_setup_bdi_name+0x123/0x220 [ 250.442784] ? kill_block_super+0x100/0x100 [ 250.447131] ? kmem_cache_alloc_trace+0x616/0x780 [ 250.451987] ? match_wildcard+0x3c0/0x3c0 [ 250.456158] ? trace_hardirqs_on+0xd/0x10 [ 250.460343] fuse_fill_super+0xe6e/0x1e20 [ 250.464516] ? fuse_get_root_inode+0x190/0x190 2018/05/17 15:02:40 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x0, 0x0, 0x4e20}, 0x6e) [ 250.469123] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 250.474173] ? kasan_check_read+0x11/0x20 [ 250.478347] ? cap_capable+0x1f9/0x260 [ 250.482266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.487825] ? security_capable+0x99/0xc0 [ 250.491997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.497552] ? ns_capable_common+0x13f/0x170 [ 250.501987] ? get_anon_bdev+0x2f0/0x2f0 [ 250.506069] ? sget+0x113/0x150 [ 250.509372] ? fuse_get_root_inode+0x190/0x190 [ 250.513973] mount_nodev+0x6b/0x110 [ 250.517625] fuse_mount+0x2c/0x40 [ 250.521115] mount_fs+0xae/0x328 [ 250.524509] vfs_kern_mount.part.34+0xd4/0x4d0 [ 250.529148] ? may_umount+0xb0/0xb0 [ 250.532795] ? _raw_read_unlock+0x22/0x30 [ 250.536967] ? __get_fs_type+0x97/0xc0 [ 250.540889] do_mount+0x564/0x3070 [ 250.544460] ? copy_mount_string+0x40/0x40 [ 250.548717] ? rcu_pm_notify+0xc0/0xc0 [ 250.552641] ? copy_mount_options+0x5f/0x380 [ 250.557067] ? rcu_read_lock_sched_held+0x108/0x120 [ 250.562109] ? kmem_cache_alloc_trace+0x616/0x780 [ 250.566972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.572527] ? _copy_from_user+0xdf/0x150 [ 250.576709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.582266] ? copy_mount_options+0x285/0x380 [ 250.586795] ksys_mount+0x12d/0x140 [ 250.590453] __x64_sys_mount+0xbe/0x150 [ 250.594448] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 250.599578] do_syscall_64+0x1b1/0x800 [ 250.603485] ? finish_task_switch+0x1ca/0x840 [ 250.608004] ? syscall_return_slowpath+0x5c0/0x5c0 [ 250.612957] ? syscall_return_slowpath+0x30f/0x5c0 [ 250.617944] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 250.623343] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.628222] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 250.633425] RIP: 0033:0x455a09 [ 250.636638] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 250.644369] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 250.651657] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 250.658942] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 250.666231] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 250.673517] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:41 executing program 0 (fault-call:2 fault-nth:62): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:41 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(0xffffffffffffffff, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:41 executing program 4: r0 = dup(0xffffffffffffffff) r1 = shmget$private(0x0, 0x1000, 0x1, &(0x7f0000ffe000/0x1000)=nil) shmctl$SHM_STAT(r1, 0xd, &(0x7f0000000100)=""/243) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) ioctl$ASHMEM_SET_NAME(r0, 0x41007701, &(0x7f0000000280)='@[\x00') bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r3 = getpgrp(0xffffffffffffffff) fcntl$lock(r2, 0x5, &(0x7f00000002c0)={0x0, 0x7, 0xffffffffffffff11, 0x1, r3}) ioctl$GIO_CMAP(r0, 0x4b70, &(0x7f0000000080)) 2018/05/17 15:02:41 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:41 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000080)}, 0x20) write$binfmt_script(r0, &(0x7f0000000100)={'#! ', './file0', [{0x20, 'system*'}, {0x20, 'ppp0^GPLsecurityGPL'}, {0x20, 'ppp1self}ppp0%user'}, {0x20, '!eth0.trusted'}, {0x20, ']'}, {0x20, ']lo*&cgroup'}, {0x20, ':'}, {0x20}], 0xa, "d94e531f7e80f2aafdd575a86dbdd51d71968ad4cacd04e50c4a77be2c2ee0771a0fe9733c4b2f719b2bdf916c9ed9e499cb51b494a1182266d98774d4ddc8153add01767600185a168ab9f52bb01a1d15364f1696eda1ee1a37feab999b860df62d767a4c5a132523216e05e4980af50d"}, 0xca) 2018/05/17 15:02:41 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x0, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:41 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) socket(0x11, 0x0, 0x2) r2 = syz_open_dev$usbmon(&(0x7f00000001c0)='/dev/usbmon#\x00', 0xffffffffffff8003, 0x100) epoll_ctl$EPOLL_CTL_MOD(r2, 0x3, r1, &(0x7f0000000180)={0x80000000}) r3 = open(&(0x7f0000000040)='./file0\x00', 0x101000, 0x1) r4 = socket$inet6(0xa, 0x2, 0x0) ioctl$TCSBRK(r3, 0x5409, 0x1) ioctl$KVM_ASSIGN_PCI_DEVICE(r3, 0x8040ae69, &(0x7f0000000100)={0x80000002, 0x77, 0x80000001, 0x8, 0x101}) setsockopt$sock_int(r4, 0x1, 0xf, &(0x7f0000f59ffc)=0x5, 0x4) r5 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r5, 0x1, 0xf, &(0x7f0000d1c000)=0x6, 0x4) bind$inet6(r5, &(0x7f0000000040)={0xa, 0x4e20}, 0x1c) dup2(r5, r4) socket$packet(0x11, 0x3, 0x300) ioctl$TIOCSWINSZ(r3, 0x5414, &(0x7f00000000c0)={0x0, 0x5, 0x0, 0x4}) r6 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r6, 0x0) 2018/05/17 15:02:41 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x80000, 0x0) ioctl$KDSKBMODE(r2, 0x4b45, &(0x7f00000001c0)=0x1) r3 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r4 = dup(r3) ioctl$KVM_SET_PIT(r4, 0x8048ae66, &(0x7f0000000100)={[{0x401, 0x3, 0x1fa, 0x4, 0x7fe, 0x1000, 0x1, 0xffffffffffffff81, 0x5, 0x7, 0xffffffffffff8001, 0x1f, 0x9b}, {0xff, 0x8, 0xc6f6, 0x6, 0x7ff, 0x98f, 0x4, 0x0, 0x3, 0x81, 0xd3, 0xffffffff, 0x5}, {0x1, 0x6, 0x5, 0x2, 0x2, 0x75d, 0xfff, 0x5, 0xdc35, 0x80000001, 0x100000000, 0x80000000, 0x100000001}], 0x8}) alarm(0x2) ioctl$ASHMEM_GET_NAME(r0, 0x81007702, &(0x7f0000000040)=""/119) [ 251.564463] FAT-fs (loop0): bogus number of reserved sectors [ 251.570419] FAT-fs (loop0): Can't find a valid FAT filesystem [ 251.618018] FAULT_INJECTION: forcing a failure. [ 251.618018] name failslab, interval 1, probability 0, space 0, times 0 [ 251.629406] CPU: 1 PID: 19100 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 251.636700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.646078] Call Trace: [ 251.648705] dump_stack+0x1b9/0x294 [ 251.652377] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.657589] ? perf_trace_lock_acquire+0xe3/0x980 [ 251.662472] should_fail.cold.4+0xa/0x1a [ 251.666562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.671701] ? graph_lock+0x170/0x170 [ 251.675545] ? find_held_lock+0x36/0x1c0 [ 251.679636] ? __lock_is_held+0xb5/0x140 [ 251.683751] ? check_same_owner+0x320/0x320 [ 251.688095] ? kasan_check_write+0x14/0x20 [ 251.692356] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 251.697309] ? rcu_note_context_switch+0x710/0x710 [ 251.702276] __should_failslab+0x124/0x180 [ 251.706539] should_failslab+0x9/0x14 [ 251.710361] kmem_cache_alloc+0x2af/0x760 [ 251.714548] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 251.719512] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.724561] __kernfs_new_node+0xe7/0x580 [ 251.728746] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 251.733524] ? mutex_unlock+0xd/0x10 [ 251.737260] ? kernfs_activate+0x20e/0x2a0 [ 251.741522] ? kernfs_walk_and_get_ns+0x320/0x320 [ 251.746392] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 251.751953] ? kernfs_link_sibling+0x1d2/0x3b0 [ 251.756578] kernfs_new_node+0x80/0xf0 [ 251.760499] __kernfs_create_file+0x4d/0x330 [ 251.764940] sysfs_add_file_mode_ns+0x21a/0x560 [ 251.769649] sysfs_add_file+0x4e/0x60 [ 251.773472] sysfs_merge_group+0xfa/0x230 [ 251.777654] dpm_sysfs_add+0x161/0x210 [ 251.781585] device_add+0xa11/0x16d0 [ 251.785330] ? device_private_init+0x230/0x230 [ 251.789936] ? kfree+0x1e9/0x260 [ 251.793326] ? kfree_const+0x5e/0x70 [ 251.797069] device_create_groups_vargs+0x1ff/0x270 [ 251.802111] device_create_vargs+0x46/0x60 [ 251.806375] bdi_register_va.part.10+0xbb/0x9b0 [ 251.811072] ? cgwb_kill+0x630/0x630 [ 251.814815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.820372] ? bdi_init+0x416/0x510 [ 251.824021] ? wb_init+0x9e0/0x9e0 [ 251.827590] ? bdi_alloc_node+0x67/0xe0 [ 251.831586] ? bdi_alloc_node+0x67/0xe0 [ 251.835582] ? rcu_read_lock_sched_held+0x108/0x120 [ 251.840620] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 251.845929] ? _raw_spin_unlock+0x22/0x30 [ 251.850154] bdi_register_va+0x68/0x80 [ 251.854066] super_setup_bdi_name+0x123/0x220 [ 251.858587] ? kill_block_super+0x100/0x100 [ 251.862936] ? kmem_cache_alloc_trace+0x616/0x780 [ 251.867799] ? match_wildcard+0x3c0/0x3c0 [ 251.871972] ? trace_hardirqs_on+0xd/0x10 [ 251.876157] fuse_fill_super+0xe6e/0x1e20 [ 251.880343] ? fuse_get_root_inode+0x190/0x190 [ 251.884958] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 251.890009] ? kasan_check_read+0x11/0x20 [ 251.894193] ? cap_capable+0x1f9/0x260 [ 251.894224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.894243] ? security_capable+0x99/0xc0 [ 251.894269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.894287] ? ns_capable_common+0x13f/0x170 [ 251.894311] ? get_anon_bdev+0x2f0/0x2f0 [ 251.894328] ? sget+0x113/0x150 [ 251.894354] ? fuse_get_root_inode+0x190/0x190 [ 251.894375] mount_nodev+0x6b/0x110 [ 251.894398] fuse_mount+0x2c/0x40 [ 251.894421] mount_fs+0xae/0x328 [ 251.894452] vfs_kern_mount.part.34+0xd4/0x4d0 [ 251.894477] ? may_umount+0xb0/0xb0 [ 251.894497] ? _raw_read_unlock+0x22/0x30 [ 251.894514] ? __get_fs_type+0x97/0xc0 [ 251.894540] do_mount+0x564/0x3070 [ 251.960221] ? copy_mount_string+0x40/0x40 [ 251.960242] ? rcu_pm_notify+0xc0/0xc0 [ 251.960277] ? copy_mount_options+0x5f/0x380 [ 251.972804] ? rcu_read_lock_sched_held+0x108/0x120 [ 251.977844] ? kmem_cache_alloc_trace+0x616/0x780 [ 251.982722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.988282] ? _copy_from_user+0xdf/0x150 [ 251.992468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.998021] ? copy_mount_options+0x285/0x380 [ 252.002550] ksys_mount+0x12d/0x140 [ 252.006201] __x64_sys_mount+0xbe/0x150 [ 252.010192] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 252.015239] do_syscall_64+0x1b1/0x800 [ 252.019145] ? finish_task_switch+0x1ca/0x840 [ 252.023665] ? syscall_return_slowpath+0x5c0/0x5c0 [ 252.028617] ? syscall_return_slowpath+0x30f/0x5c0 [ 252.033576] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 252.038963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.043837] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.049041] RIP: 0033:0x455a09 [ 252.052252] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 252.060013] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 2018/05/17 15:02:41 executing program 1: r0 = syz_open_dev$vcsn(&(0x7f0000000040)='/dev/vcs#\x00', 0x3, 0x80000) setns(r0, 0x70000000) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:41 executing program 4: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = shmget$private(0x0, 0x4000, 0x78000001, &(0x7f0000ff9000/0x4000)=nil) shmctl$IPC_STAT(r1, 0x2, &(0x7f0000000080)=""/17) dup(r0) 2018/05/17 15:02:41 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x0, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:41 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) fcntl$dupfd(r0, 0x0, r0) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x80, 0x0) ioctl$TIOCLINUX2(r2, 0x541c, &(0x7f0000000100)={0x2, 0x6d, 0x101, 0x10001, 0x13d33de5, 0x1}) 2018/05/17 15:02:41 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={0xffffffffffffffff, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:41 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x0, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:41 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000300)={0x0, 0x0, 0x0}, &(0x7f0000000340)=0xc) getgroups(0x1, &(0x7f0000000380)=[0x0]) setregid(r0, r1) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r3 = open(&(0x7f0000000280)='./file0\x00', 0x101000, 0x20) ioctl$BLKBSZSET(r3, 0x40081271, &(0x7f00000002c0)=0x3) r4 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000080)='cpuset.effective_mems\x00', 0x0, 0x0) getsockopt$ARPT_SO_GET_INFO(r4, 0x0, 0x60, &(0x7f0000000140)={'filter\x00'}, &(0x7f00000001c0)=0x44) setsockopt$inet_sctp_SCTP_HMAC_IDENT(r4, 0x84, 0x16, &(0x7f0000000100)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00'], 0x8) 2018/05/17 15:02:41 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r0, &(0x7f0000000080), &(0x7f0000000280)="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", 0x1}, 0xffffffffffffffbf) [ 252.067297] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 252.074584] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 252.081869] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 252.089155] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:42 executing program 0 (fault-call:2 fault-nth:63): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:42 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={0xffffffffffffffff, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:42 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1}, 0x6e) 2018/05/17 15:02:42 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x0, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:42 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) write(r2, &(0x7f00000000c0)="0ef32835e4ce72eb3234c11b0eeae3a937c294de673b4f617c93843ddb63dd7c38edee6b38b2d66e219793452c4599946130d8371fcf32061745d2bc9cc213365589099c2a0d6ad8c1feba8588ff80afc3c70e5434b481b112d41930b54131dd182660854774", 0x66) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffff9c}) setsockopt$sock_void(r3, 0x1, 0x24, 0x0, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:42 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0x5, 0x40) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0x8}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000300)={r2, 0x9, 0xec, "db39a95474b62487364b25214fd518c7d6297620c56a897544e6c2d3c62af78b94d11879a1032ad6fe54106b071384dbd5e4da19341ae23cead28f06cf77f4b52aa1ab886ef6838e30986a8d42df08fa608fe5a34946304795812ced6bd3be9acca4013de991b525fe7696cc56037218e0b9b3f63ce6e7fd71aad5babe557c814c1c5aef09664146b3b29201662f564a5a2761535ebf5ac3b4baaac14a5a48a15547a7b6e236bb2b836abefe37dafea79f849708be611def4109f67d94f5afb5789af46145b541a70be9a6198040530ea71a280eac26381079a56ab0aa13d16d9b94f8432e350ddd7b9e5dab"}, 0xf4) r3 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:42 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:42 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000080)="c4e72ae3629d477ef5b948cccc707d6e01e44cea5d3fab", 0xffffffffffffffff}, 0x20) r1 = add_key$keyring(&(0x7f0000000100)='keyring\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffff9) r2 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffff9) keyctl$unlink(0x9, r1, r2) [ 252.247581] FAT-fs (loop0): bogus number of reserved sectors [ 252.253586] FAT-fs (loop0): Can't find a valid FAT filesystem [ 252.287693] FAULT_INJECTION: forcing a failure. [ 252.287693] name failslab, interval 1, probability 0, space 0, times 0 [ 252.299232] CPU: 1 PID: 19166 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 252.306533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.315899] Call Trace: [ 252.318512] dump_stack+0x1b9/0x294 [ 252.322167] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.327373] ? perf_trace_lock_acquire+0xe3/0x980 [ 252.332254] should_fail.cold.4+0xa/0x1a [ 252.336339] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.341479] ? graph_lock+0x170/0x170 [ 252.345305] ? rcu_note_context_switch+0x710/0x710 [ 252.350269] ? find_held_lock+0x36/0x1c0 [ 252.354361] ? __lock_is_held+0xb5/0x140 [ 252.358471] ? check_same_owner+0x320/0x320 [ 252.362822] ? rcu_note_context_switch+0x710/0x710 [ 252.367810] __should_failslab+0x124/0x180 [ 252.372072] should_failslab+0x9/0x14 [ 252.375897] kmem_cache_alloc+0x2af/0x760 [ 252.380075] ? kasan_check_write+0x14/0x20 [ 252.384341] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.389403] __kernfs_new_node+0xe7/0x580 [ 252.393556] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 252.398317] ? kasan_check_write+0x14/0x20 [ 252.402549] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 252.407472] ? graph_lock+0x170/0x170 [ 252.411275] ? wait_for_completion+0x870/0x870 [ 252.415869] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 252.421411] kernfs_new_node+0x80/0xf0 [ 252.425311] __kernfs_create_file+0x4d/0x330 [ 252.429726] sysfs_add_file_mode_ns+0x21a/0x560 [ 252.434411] sysfs_add_file+0x4e/0x60 [ 252.438212] sysfs_merge_group+0xfa/0x230 [ 252.442366] dpm_sysfs_add+0x161/0x210 [ 252.446255] device_add+0xa11/0x16d0 [ 252.449976] ? device_private_init+0x230/0x230 [ 252.454555] ? kfree+0x1e9/0x260 [ 252.457933] ? kfree_const+0x5e/0x70 [ 252.461650] device_create_groups_vargs+0x1ff/0x270 [ 252.466676] device_create_vargs+0x46/0x60 [ 252.470915] bdi_register_va.part.10+0xbb/0x9b0 [ 252.475582] ? cgwb_kill+0x630/0x630 [ 252.479296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.484840] ? bdi_init+0x416/0x510 [ 252.488466] ? wb_init+0x9e0/0x9e0 [ 252.492006] ? bdi_alloc_node+0x67/0xe0 [ 252.495984] ? bdi_alloc_node+0x67/0xe0 [ 252.499956] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.504970] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 252.510249] ? _raw_spin_unlock+0x22/0x30 [ 252.514404] bdi_register_va+0x68/0x80 [ 252.518292] super_setup_bdi_name+0x123/0x220 [ 252.522784] ? kill_block_super+0x100/0x100 [ 252.527103] ? kmem_cache_alloc_trace+0x616/0x780 [ 252.531951] ? match_wildcard+0x3c0/0x3c0 [ 252.536101] ? trace_hardirqs_on+0xd/0x10 [ 252.540267] fuse_fill_super+0xe6e/0x1e20 [ 252.544422] ? fuse_get_root_inode+0x190/0x190 [ 252.549005] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 252.554043] ? kasan_check_read+0x11/0x20 [ 252.558193] ? cap_capable+0x1f9/0x260 [ 252.562098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.567630] ? security_capable+0x99/0xc0 [ 252.571787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.577320] ? ns_capable_common+0x13f/0x170 [ 252.581727] ? get_anon_bdev+0x2f0/0x2f0 [ 252.585793] ? sget+0x113/0x150 [ 252.589076] ? fuse_get_root_inode+0x190/0x190 [ 252.593657] mount_nodev+0x6b/0x110 [ 252.597294] fuse_mount+0x2c/0x40 [ 252.600748] mount_fs+0xae/0x328 [ 252.604118] vfs_kern_mount.part.34+0xd4/0x4d0 [ 252.608702] ? may_umount+0xb0/0xb0 [ 252.612324] ? _raw_read_unlock+0x22/0x30 [ 252.616467] ? __get_fs_type+0x97/0xc0 [ 252.620361] do_mount+0x564/0x3070 [ 252.623897] ? do_raw_spin_unlock+0x9e/0x2e0 [ 252.628309] ? copy_mount_string+0x40/0x40 [ 252.632539] ? rcu_pm_notify+0xc0/0xc0 [ 252.636446] ? copy_mount_options+0x5f/0x380 [ 252.640849] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.645864] ? kmem_cache_alloc_trace+0x616/0x780 [ 252.650708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.656251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.661785] ? copy_mount_options+0x285/0x380 [ 252.666284] ksys_mount+0x12d/0x140 [ 252.669914] __x64_sys_mount+0xbe/0x150 [ 252.673881] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 252.678897] do_syscall_64+0x1b1/0x800 [ 252.682789] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 252.687629] ? syscall_return_slowpath+0x5c0/0x5c0 [ 252.692568] ? syscall_return_slowpath+0x30f/0x5c0 [ 252.697503] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 252.702869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.707729] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.713004] RIP: 0033:0x455a09 [ 252.716198] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 252.723910] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 252.731173] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 252.738435] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 2018/05/17 15:02:42 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x200002, 0x70, 0x3e4, 0x105, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)="634e63efe9f21b2345707573", 0x2, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:42 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={0xffffffffffffffff, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:42 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:42 executing program 5: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x80000, 0x0) ioctl$KDSKBMODE(r2, 0x4b45, &(0x7f00000001c0)=0x1) r3 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r4 = dup(r3) ioctl$KVM_SET_PIT(r4, 0x8048ae66, &(0x7f0000000100)={[{0x401, 0x3, 0x1fa, 0x4, 0x7fe, 0x1000, 0x1, 0xffffffffffffff81, 0x5, 0x7, 0xffffffffffff8001, 0x1f, 0x9b}, {0xff, 0x8, 0xc6f6, 0x6, 0x7ff, 0x98f, 0x4, 0x0, 0x3, 0x81, 0xd3, 0xffffffff, 0x5}, {0x1, 0x6, 0x5, 0x2, 0x2, 0x75d, 0xfff, 0x5, 0xdc35, 0x80000001, 0x100000000, 0x80000000, 0x100000001}], 0x8}) alarm(0x2) ioctl$ASHMEM_GET_NAME(r0, 0x81007702, &(0x7f0000000040)=""/119) 2018/05/17 15:02:42 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x0, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:42 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) openat$cgroup(r0, &(0x7f0000000040)='syz1\x00', 0x200002, 0x0) [ 252.745700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 252.752977] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:42 executing program 4: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = dup2(r0, r0) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000100)={0xb, 0x7c, 0x7, 0x8000, 0x1, r1}, 0x2c) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000080)) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:42 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = socket$inet_dccp(0x2, 0x6, 0x0) recvmsg(r3, &(0x7f0000000600)={&(0x7f00000000c0)=@pppoe={0x0, 0x0, {0x0, @dev}}, 0x232, &(0x7f0000000040), 0x3, &(0x7f0000000580)=""/115, 0x73, 0x60000000000}, 0x12104) r4 = dup3(r0, r2, 0x0) syncfs(r2) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r4, 0x84, 0x10, &(0x7f0000000040)=@assoc_value={0x0, 0x40}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r4, 0x84, 0x23, &(0x7f0000000180)={r5, 0x2}, 0x8) 2018/05/17 15:02:42 executing program 0 (fault-call:2 fault-nth:64): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:42 executing program 7: r0 = syz_open_dev$amidi(&(0x7f0000000080)='/dev/amidi#\x00', 0x4d0, 0x80) ioctl$SIOCSIFHWADDR(r0, 0x8924, &(0x7f0000000100)={'ip6gretap0\x00', @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:42 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = fcntl$dupfd(r1, 0x506, r1) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000003c0)) r3 = getpgrp(0xffffffffffffffff) r4 = getpid() kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000340)={r2, r0, 0x6b8c}) r5 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt(r2, 0x6, 0x101, &(0x7f0000000400)=""/222, &(0x7f0000000500)=0xde) syz_read_part_table(0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000940)="141f50059ffd2d2fa0220bd7d2cb523c5dddce28cbb468a68ac8ac2f2a35b67128307cb8026991824729802b1a9990d226cde8ed9e7baffd56ee459c74065ba939736e45ddfeafeaac64d49f51c80983963d28d29db0426c8475d84982f59b516ad5804d40cf8692b257b42ea235ec2633ae8fbbcd0a6414329ef0fdc4a09ce4c400e46e2e2a5401d2e113a8d3b42c7742ad83df697b9b5eb650759df5c0051f8b43e45b111945d06f54ede03a904331dd67dd49381fc2845353a1778ce38a06d6ff36eeb2c943941df329f5d4aa979cf5c3d601d9a05adb13e4524ce3912caf102ff46e65e1e6be300ef22dd296532e30258ab1d2ef8ac08b64b28768d8592dd5e49d194eb6ba7c8008e4dc4d3cbb65d4a313a7138063503be076604c6a1078c3c2e317225a1572765215f6ad6a0af5d7841d037ff41ef68c6555c1e2a17cd0558a0ccfb13f45925e97e70500b36c4281b9854b95ee3d88da39efe77c44843b6bd2d62df7db8c1e2e95eeef4f3f5c18abe3e4485b858bd83c3459bf7406452b25d4900b97454d309698c8fe06e20204bbf6afd5b63c69060bce1eafb650eb509705bb11da719b6334b26e70cc79636ac31452269643a23d65388ab6b295164628d6e59186b2e4b768385746edf59de9a4aa63552dbec6f595dbccdbd03046acdb64449b8a98705514fd622d239ea4c77a284de04c022f3178ee554aa7", 0x1fd, 0x3}]) clone(0x80000000, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) openat$cgroup_type(r1, &(0x7f0000000280)='cgroup.type\x00', 0x2, 0x0) pwritev(r5, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000300), &(0x7f0000000380)=0x4) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LIST(r6, 0xc0505510, &(0x7f0000000180)={0x0, 0x1, 0x7, 0x100000000, &(0x7f0000000140)=[{}]}) 2018/05/17 15:02:42 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = socket$inet6(0xa, 0x2, 0x3) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000040)={0x40, 0x0, 0x201, 0x5, 0x3, 0x81, 0x1ff, 0x4, 0x0}, &(0x7f00000000c0)=0x20) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r2, 0x84, 0x17, &(0x7f0000000100)={r3, 0x67b, 0x34, "2a3cc13a03d42f441066daec10f8c014266d6cfb5fa5d90bd1ba2173f13a097db658aca78e1c5a404de9424584155f08cc02d4d8"}, 0x3c) r4 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r4, 0x0) 2018/05/17 15:02:42 executing program 5: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x80000, 0x0) ioctl$KDSKBMODE(r2, 0x4b45, &(0x7f00000001c0)=0x1) r3 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r4 = dup(r3) ioctl$KVM_SET_PIT(r4, 0x8048ae66, &(0x7f0000000100)={[{0x401, 0x3, 0x1fa, 0x4, 0x7fe, 0x1000, 0x1, 0xffffffffffffff81, 0x5, 0x7, 0xffffffffffff8001, 0x1f, 0x9b}, {0xff, 0x8, 0xc6f6, 0x6, 0x7ff, 0x98f, 0x4, 0x0, 0x3, 0x81, 0xd3, 0xffffffff, 0x5}, {0x1, 0x6, 0x5, 0x2, 0x2, 0x75d, 0xfff, 0x5, 0xdc35, 0x80000001, 0x100000000, 0x80000000, 0x100000001}], 0x8}) alarm(0x2) ioctl$ASHMEM_GET_NAME(r0, 0x81007702, &(0x7f0000000040)=""/119) 2018/05/17 15:02:42 executing program 2: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:42 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = getpgid(0xffffffffffffffff) setpriority(0x2, r0, 0x300) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) clock_gettime(0x0, &(0x7f0000008540)={0x0, 0x0}) recvmmsg(0xffffffffffffff9c, &(0x7f0000008400)=[{{&(0x7f0000000100)=@nl, 0x80, &(0x7f0000002340)=[{&(0x7f0000000280)=""/4096, 0x1000}, {&(0x7f0000000080)=""/34, 0x22}, {&(0x7f0000000180)=""/80, 0x50}, {&(0x7f0000001280)=""/4096, 0x1000}, {&(0x7f0000002280)=""/123, 0x7b}, {&(0x7f0000002300)=""/15, 0xf}], 0x6, 0x0, 0x0, 0x824}, 0x6}, {{&(0x7f00000023c0)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @loopback}}}, 0x80, &(0x7f0000004680)=[{&(0x7f0000002440)=""/4096, 0x1000}, {&(0x7f0000003440)=""/140, 0x8c}, {&(0x7f0000003500)=""/4096, 0x1000}, {&(0x7f0000004500)=""/118, 0x76}, {&(0x7f0000004580)=""/215, 0xd7}], 0x5, &(0x7f0000004700)=""/220, 0xdc, 0x6}, 0x9}, {{&(0x7f0000004800)=@vsock={0x0, 0x0, 0x0, @host}, 0x80, &(0x7f0000005c00)=[{&(0x7f0000004880)=""/4096, 0x1000}, {&(0x7f0000005880)=""/194, 0xc2}, {&(0x7f0000005980)=""/213, 0xd5}, {&(0x7f0000005a80)=""/116, 0x74}, {&(0x7f0000005b00)=""/227, 0xe3}], 0x5, &(0x7f0000005c80)=""/152, 0x98, 0x9e87}, 0x10000}, {{0x0, 0x0, &(0x7f0000005f40)=[{&(0x7f0000005d40)=""/196, 0xc4}, {&(0x7f0000005e40)=""/217, 0xd9}], 0x2, &(0x7f0000005f80)=""/255, 0xff, 0xffffffffffff2a11}, 0x8e}, {{0x0, 0x0, &(0x7f0000007380)=[{&(0x7f0000006080)=""/4096, 0x1000}, {&(0x7f0000007080)=""/174, 0xae}, {&(0x7f0000007140)=""/169, 0xa9}, {&(0x7f0000007200)=""/95, 0x5f}, {&(0x7f0000007280)=""/48, 0x30}, {&(0x7f00000072c0)=""/173, 0xad}], 0x6, &(0x7f0000007400)=""/4096, 0x1000, 0x5}, 0x4}], 0x5, 0x140, &(0x7f0000008580)={r2, r3+10000000}) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000008600)={0x0, @loopback, @broadcast}, &(0x7f0000008640)=0xc) sendmsg$nl_route(r4, &(0x7f0000008740)={&(0x7f00000085c0)={0x10, 0x0, 0x0, 0x800028}, 0xc, &(0x7f0000008700)={&(0x7f0000008680)=@ipv6_deladdr={0x48, 0x15, 0x200, 0x70bd2a, 0x25dfdbfe, {0xa, 0x9f, 0x10, 0xc8, r5}, [@IFA_FLAGS={0x8, 0x8}, @IFA_LOCAL={0x14, 0x2, @ipv4={[], [0xff, 0xff]}}, @IFA_LOCAL={0x14, 0x2, @remote={0xfe, 0x80, [], 0xbb}}]}, 0x48}, 0x1, 0x0, 0x0, 0x8004}, 0x4040800) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:42 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 253.072244] FAT-fs (loop0): bogus number of reserved sectors [ 253.078218] FAT-fs (loop0): Can't find a valid FAT filesystem [ 253.108219] Dev loop1: unable to read RDB block 1 [ 253.113379] loop1: unable to read partition table [ 253.144825] FAULT_INJECTION: forcing a failure. [ 253.144825] name failslab, interval 1, probability 0, space 0, times 0 [ 253.156382] CPU: 1 PID: 19219 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 253.163672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.173037] Call Trace: [ 253.175654] dump_stack+0x1b9/0x294 [ 253.179314] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.184526] ? perf_trace_lock_acquire+0xe3/0x980 [ 253.184744] loop1: partition table beyond EOD, [ 253.189401] should_fail.cold.4+0xa/0x1a [ 253.189430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.189463] ? graph_lock+0x170/0x170 [ 253.189481] ? lock_downgrade+0x8e0/0x8e0 [ 253.194190] truncated [ 253.198210] ? kasan_check_write+0x14/0x20 [ 253.198242] ? find_held_lock+0x36/0x1c0 [ 253.198277] ? __lock_is_held+0xb5/0x140 [ 253.203444] loop_reread_partitions: partition scan of loop1 () failed (rc=-5) [ 253.207288] ? check_same_owner+0x320/0x320 [ 253.207315] ? rcu_note_context_switch+0x710/0x710 2018/05/17 15:02:43 executing program 2: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:43 executing program 5: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x80000, 0x0) ioctl$KDSKBMODE(r2, 0x4b45, &(0x7f00000001c0)=0x1) r3 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r4 = dup(r3) ioctl$KVM_SET_PIT(r4, 0x8048ae66, &(0x7f0000000100)={[{0x401, 0x3, 0x1fa, 0x4, 0x7fe, 0x1000, 0x1, 0xffffffffffffff81, 0x5, 0x7, 0xffffffffffff8001, 0x1f, 0x9b}, {0xff, 0x8, 0xc6f6, 0x6, 0x7ff, 0x98f, 0x4, 0x0, 0x3, 0x81, 0xd3, 0xffffffff, 0x5}, {0x1, 0x6, 0x5, 0x2, 0x2, 0x75d, 0xfff, 0x5, 0xdc35, 0x80000001, 0x100000000, 0x80000000, 0x100000001}], 0x8}) alarm(0x2) ioctl$ASHMEM_GET_NAME(r0, 0x81007702, &(0x7f0000000040)=""/119) 2018/05/17 15:02:43 executing program 7: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000280)='/dev/rtc0\x00', 0x50200, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(0xffffffffffffffff, 0x84, 0x8, &(0x7f0000000000)=0xfffefffffffffffe, 0xa0) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000180)={0x0, 0x0}) ptrace$getenv(0x4201, r2, 0x3104472d, &(0x7f00000001c0)) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ppp\x00', 0xa01, 0x0) ioctl$KVM_DIRTY_TLB(r3, 0x4010aeaa, &(0x7f0000000140)={0x7, 0x1}) ioctl$sock_SIOCADDDLCI(r0, 0x8980, &(0x7f0000000080)={'ip6tnl0\x00', 0x2}) [ 253.207346] __should_failslab+0x124/0x180 [ 253.247155] should_failslab+0x9/0x14 [ 253.250978] kmem_cache_alloc_trace+0x2cb/0x780 [ 253.255686] ? device_create_file+0x1e0/0x1e0 [ 253.260200] kobject_uevent_env+0x20f/0xea0 [ 253.264541] ? device_pm_add+0x221/0x340 [ 253.268664] kobject_uevent+0x1f/0x30 [ 253.272478] device_add+0xb01/0x16d0 [ 253.276218] ? device_private_init+0x230/0x230 [ 253.280817] ? kfree+0x1e9/0x260 [ 253.284205] ? kfree_const+0x5e/0x70 [ 253.287949] device_create_groups_vargs+0x1ff/0x270 2018/05/17 15:02:43 executing program 4: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r2 = dup2(r0, r1) ioctl$DRM_IOCTL_GET_STATS(r2, 0x80f86406, &(0x7f0000000100)=""/209) 2018/05/17 15:02:43 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 253.292996] device_create_vargs+0x46/0x60 [ 253.297261] bdi_register_va.part.10+0xbb/0x9b0 [ 253.301953] ? cgwb_kill+0x630/0x630 [ 253.305700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.311258] ? bdi_init+0x416/0x510 [ 253.314904] ? wb_init+0x9e0/0x9e0 [ 253.318458] ? bdi_alloc_node+0x67/0xe0 [ 253.322445] ? bdi_alloc_node+0x67/0xe0 [ 253.326472] ? rcu_read_lock_sched_held+0x108/0x120 [ 253.331515] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 253.336822] ? _raw_spin_unlock+0x22/0x30 [ 253.341003] bdi_register_va+0x68/0x80 2018/05/17 15:02:43 executing program 2: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) [ 253.344920] super_setup_bdi_name+0x123/0x220 [ 253.349439] ? kill_block_super+0x100/0x100 [ 253.353792] ? kmem_cache_alloc_trace+0x616/0x780 [ 253.358671] ? match_wildcard+0x3c0/0x3c0 [ 253.362836] ? trace_hardirqs_on+0xd/0x10 [ 253.367112] fuse_fill_super+0xe6e/0x1e20 [ 253.371304] ? fuse_get_root_inode+0x190/0x190 [ 253.375909] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 253.380952] ? kasan_check_read+0x11/0x20 [ 253.385127] ? cap_capable+0x1f9/0x260 [ 253.389047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.394609] ? security_capable+0x99/0xc0 [ 253.398787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.404345] ? ns_capable_common+0x13f/0x170 [ 253.408778] ? get_anon_bdev+0x2f0/0x2f0 [ 253.412857] ? sget+0x113/0x150 [ 253.416154] ? fuse_get_root_inode+0x190/0x190 [ 253.420750] mount_nodev+0x6b/0x110 [ 253.424401] fuse_mount+0x2c/0x40 [ 253.427881] mount_fs+0xae/0x328 [ 253.431277] vfs_kern_mount.part.34+0xd4/0x4d0 [ 253.435890] ? may_umount+0xb0/0xb0 [ 253.439538] ? _raw_read_unlock+0x22/0x30 2018/05/17 15:02:43 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) lstat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0, 0x0}, &(0x7f0000000280)=0xc) fchown(r0, r2, r3) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0x7, &(0x7f0000000080)={0x20000000000000, 0x7f, 0x1f, 0x9}, 0x10) [ 253.443738] ? __get_fs_type+0x97/0xc0 [ 253.447657] do_mount+0x564/0x3070 [ 253.451231] ? copy_mount_string+0x40/0x40 [ 253.455482] ? rcu_pm_notify+0xc0/0xc0 [ 253.459407] ? copy_mount_options+0x5f/0x380 [ 253.463834] ? rcu_read_lock_sched_held+0x108/0x120 [ 253.468877] ? kmem_cache_alloc_trace+0x616/0x780 [ 253.473746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.479312] ? _copy_from_user+0xdf/0x150 [ 253.483512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.489073] ? copy_mount_options+0x285/0x380 2018/05/17 15:02:43 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x80000, 0x0) ioctl$KDSKBMODE(r1, 0x4b45, &(0x7f00000001c0)=0x1) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r3 = dup(r2) ioctl$KVM_SET_PIT(r3, 0x8048ae66, &(0x7f0000000100)={[{0x401, 0x3, 0x1fa, 0x4, 0x7fe, 0x1000, 0x1, 0xffffffffffffff81, 0x5, 0x7, 0xffffffffffff8001, 0x1f, 0x9b}, {0xff, 0x8, 0xc6f6, 0x6, 0x7ff, 0x98f, 0x4, 0x0, 0x3, 0x81, 0xd3, 0xffffffff, 0x5}, {0x1, 0x6, 0x5, 0x2, 0x2, 0x75d, 0xfff, 0x5, 0xdc35, 0x80000001, 0x100000000, 0x80000000, 0x100000001}], 0x8}) alarm(0x2) [ 253.493607] ksys_mount+0x12d/0x140 [ 253.497260] __x64_sys_mount+0xbe/0x150 [ 253.501252] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 253.506296] do_syscall_64+0x1b1/0x800 [ 253.510199] ? finish_task_switch+0x1ca/0x840 [ 253.514718] ? syscall_return_slowpath+0x5c0/0x5c0 [ 253.519673] ? syscall_return_slowpath+0x30f/0x5c0 [ 253.524648] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 253.530044] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.534925] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.540133] RIP: 0033:0x455a09 [ 253.543333] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 253.551060] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 253.558431] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 253.565714] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 253.572999] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 253.580286] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 253.731537] Dev loop1: unable to read RDB block 1 [ 253.736598] loop1: unable to read partition table 2018/05/17 15:02:43 executing program 0 (fault-call:2 fault-nth:65): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:43 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup.net/syz1\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) fsetxattr(r1, &(0x7f0000000040)=@random={'btrfs.', '-]vboxnet1selinux$\x00'}, &(0x7f0000000080)='vboxnet1procwlan1@vmnet1bdevwlan1]vmnet0$\x00', 0x2a, 0x3) 2018/05/17 15:02:43 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x80000, 0x0) ioctl$KDSKBMODE(r1, 0x4b45, &(0x7f00000001c0)=0x1) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) dup(r2) alarm(0x2) 2018/05/17 15:02:43 executing program 2: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:43 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) creat(&(0x7f0000000100)='./file0\x00', 0x20) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/mixer\x00', 0x40000, 0x0) ioctl$RNDZAPENTCNT(r1, 0x5204, &(0x7f0000000080)=0x7) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:43 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x200000, 0x0) connect$inet(r1, &(0x7f00000000c0)={0x2, 0x4e20}, 0x10) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f0000000100)={0x6, 0x4, 0x7fff, 0x8000, 0x0}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000002c0)={r2, 0x40, &(0x7f0000000180)=[@in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e20, @multicast1=0xe0000001}, @in={0x2, 0x4e20, @broadcast=0xffffffff}, @in={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x10}}]}, &(0x7f0000000280)=0x10) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r3, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r1, 0x0) pread64(r0, &(0x7f0000000040), 0x0, 0x0) 2018/05/17 15:02:43 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x0, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:43 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) setitimer(0x3, &(0x7f0000000100)={{r0, r1/1000+30000}}, &(0x7f0000000140)) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 253.778315] loop1: partition table beyond EOD, truncated [ 253.783974] loop_reread_partitions: partition scan of loop1 () failed (rc=-5) 2018/05/17 15:02:43 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) flistxattr(r0, &(0x7f00000000c0)=""/187, 0xbb) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) [ 253.853508] FAT-fs (loop0): bogus number of reserved sectors [ 253.859470] FAT-fs (loop0): Can't find a valid FAT filesystem [ 253.917345] FAULT_INJECTION: forcing a failure. [ 253.917345] name failslab, interval 1, probability 0, space 0, times 0 [ 253.928687] CPU: 1 PID: 19288 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 253.935981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.945443] Call Trace: [ 253.948052] dump_stack+0x1b9/0x294 [ 253.951709] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.956920] ? perf_trace_lock_acquire+0xe3/0x980 [ 253.961805] should_fail.cold.4+0xa/0x1a [ 253.965898] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.971040] ? graph_lock+0x170/0x170 [ 253.974883] ? find_held_lock+0x36/0x1c0 [ 253.978977] ? __lock_is_held+0xb5/0x140 [ 253.983089] ? check_same_owner+0x320/0x320 [ 253.987436] ? kasan_check_write+0x14/0x20 [ 253.991695] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 253.996648] ? rcu_note_context_switch+0x710/0x710 [ 254.001611] __should_failslab+0x124/0x180 [ 254.005871] should_failslab+0x9/0x14 [ 254.009690] kmem_cache_alloc+0x2af/0x760 [ 254.013852] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 254.018789] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.023809] __kernfs_new_node+0xe7/0x580 [ 254.027962] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 254.032716] ? mutex_unlock+0xd/0x10 [ 254.036428] ? kernfs_activate+0x20e/0x2a0 [ 254.040667] ? kernfs_walk_and_get_ns+0x320/0x320 [ 254.045513] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 254.051051] ? kernfs_link_sibling+0x1d2/0x3b0 [ 254.055645] kernfs_new_node+0x80/0xf0 [ 254.059536] __kernfs_create_file+0x4d/0x330 [ 254.063958] sysfs_add_file_mode_ns+0x21a/0x560 [ 254.068635] sysfs_add_file+0x4e/0x60 [ 254.072434] sysfs_merge_group+0xfa/0x230 [ 254.076591] dpm_sysfs_add+0x161/0x210 [ 254.080481] device_add+0xa11/0x16d0 [ 254.084206] ? device_private_init+0x230/0x230 [ 254.088782] ? kfree+0x1e9/0x260 [ 254.092161] ? kfree_const+0x5e/0x70 [ 254.096399] device_create_groups_vargs+0x1ff/0x270 [ 254.101418] device_create_vargs+0x46/0x60 [ 254.105658] bdi_register_va.part.10+0xbb/0x9b0 [ 254.110328] ? cgwb_kill+0x630/0x630 [ 254.114051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.119583] ? bdi_init+0x416/0x510 [ 254.123204] ? wb_init+0x9e0/0x9e0 [ 254.126744] ? bdi_alloc_node+0x67/0xe0 [ 254.130722] ? bdi_alloc_node+0x67/0xe0 [ 254.134695] ? rcu_read_lock_sched_held+0x108/0x120 [ 254.139710] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 254.145337] ? _raw_spin_unlock+0x22/0x30 [ 254.149489] bdi_register_va+0x68/0x80 [ 254.153377] super_setup_bdi_name+0x123/0x220 [ 254.157867] ? kill_block_super+0x100/0x100 [ 254.162191] ? kmem_cache_alloc_trace+0x616/0x780 [ 254.167050] ? match_wildcard+0x3c0/0x3c0 [ 254.171213] fuse_fill_super+0xe6e/0x1e20 [ 254.175372] ? fuse_get_root_inode+0x190/0x190 [ 254.179957] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 254.184977] ? kasan_check_read+0x11/0x20 [ 254.189130] ? cap_capable+0x1f9/0x260 [ 254.193047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.198581] ? security_capable+0x99/0xc0 [ 254.202732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.208265] ? ns_capable_common+0x13f/0x170 [ 254.212672] ? get_anon_bdev+0x2f0/0x2f0 [ 254.216729] ? sget+0x113/0x150 [ 254.220009] ? fuse_get_root_inode+0x190/0x190 [ 254.224598] mount_nodev+0x6b/0x110 [ 254.228224] fuse_mount+0x2c/0x40 [ 254.231677] mount_fs+0xae/0x328 [ 254.235057] vfs_kern_mount.part.34+0xd4/0x4d0 [ 254.239641] ? may_umount+0xb0/0xb0 [ 254.243265] ? _raw_read_unlock+0x22/0x30 [ 254.247406] ? __get_fs_type+0x97/0xc0 [ 254.251310] do_mount+0x564/0x3070 [ 254.254849] ? do_raw_spin_unlock+0x9e/0x2e0 [ 254.259263] ? copy_mount_string+0x40/0x40 [ 254.263491] ? rcu_pm_notify+0xc0/0xc0 [ 254.267388] ? copy_mount_options+0x5f/0x380 [ 254.271792] ? rcu_read_lock_sched_held+0x108/0x120 [ 254.276808] ? kmem_cache_alloc_trace+0x616/0x780 [ 254.281655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.287208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.292741] ? copy_mount_options+0x285/0x380 [ 254.297240] ksys_mount+0x12d/0x140 [ 254.300870] __x64_sys_mount+0xbe/0x150 [ 254.304839] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 254.309856] do_syscall_64+0x1b1/0x800 [ 254.313741] ? finish_task_switch+0x1ca/0x840 [ 254.318239] ? syscall_return_slowpath+0x5c0/0x5c0 [ 254.323179] ? syscall_return_slowpath+0x30f/0x5c0 [ 254.328111] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 254.333490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.338340] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.343530] RIP: 0033:0x455a09 [ 254.346723] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 254.354440] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 254.361704] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 2018/05/17 15:02:44 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(0xffffffffffffffff, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:44 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) modify_ldt$write(0x1, &(0x7f00000001c0)={0x0, 0x0, 0x400, 0x1, 0x3, 0x81, 0x100000001, 0x3ff, 0xb440, 0x6}, 0x10) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = syz_open_dev$usbmon(&(0x7f0000000080)='/dev/usbmon#\x00', 0x7, 0x400000) fcntl$F_SET_RW_HINT(r0, 0x40c, &(0x7f0000000180)=0x3) setsockopt$packet_fanout_data(r1, 0x107, 0x16, &(0x7f0000000140)={0x1, &(0x7f0000000100)=[{0x8001, 0x9, 0x9, 0x6}]}, 0x10) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:44 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x80000, 0x0) ioctl$KDSKBMODE(r1, 0x4b45, &(0x7f00000001c0)=0x1) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) alarm(0x2) 2018/05/17 15:02:44 executing program 2: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:44 executing program 4: ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000080)=0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x3}, r0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 254.368988] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 254.376253] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 254.383531] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:44 executing program 2: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:44 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000080)=0x0) perf_event_open(&(0x7f0000000100)={0x4, 0x70, 0x0, 0x8, 0x2, 0x81, 0x0, 0x9, 0x0, 0x4, 0x5, 0x4, 0x0, 0x7fff, 0xb1, 0x3046, 0xffffffffffff6ade, 0x101, 0xff, 0xffffffffffffffff, 0x3, 0x7fff, 0xa8b, 0x10000000000000, 0xfffffffffffffffc, 0x1f, 0x4, 0x0, 0x2, 0x5, 0xfffffffffffffff8, 0x1000, 0x8, 0x3a, 0x8, 0x401, 0x6, 0x4, 0x0, 0x9, 0x4, @perf_bp={&(0x7f0000000040), 0xa}, 0x18, 0x3, 0x2, 0x3, 0x404, 0x9, 0x8001}, r2, 0x3, r0, 0x1) r3 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:44 executing program 0 (fault-call:2 fault-nth:66): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:44 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d9}, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) fstat(r0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0}) setfsuid(r1) r2 = creat(&(0x7f0000000080)='./file0\x00', 0x104) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r2, 0x40505330, &(0x7f0000000280)={{0x100000000, 0xffff}, {0x3, 0xfffffffffffffffd}, 0x8, 0x6, 0x3}) ioctl$EVIOCGLED(r2, 0x80404519, &(0x7f0000000180)=""/58) 2018/05/17 15:02:44 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = syz_open_dev$sndmidi(&(0x7f0000000080)='/dev/snd/midiC#D#\x00', 0x1, 0x200000) ioctl$DRM_IOCTL_CONTROL(r1, 0x40086414, &(0x7f0000000140)={0x1}) ioctl$KDENABIO(r1, 0x4b36) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) fcntl$F_GET_RW_HINT(r1, 0x40b, &(0x7f0000000100)) 2018/05/17 15:02:44 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = syz_open_dev$dspn(&(0x7f0000000180)='/dev/dsp#\x00', 0x7, 0xa000) ioctl$EVIOCGMASK(r1, 0x80104592, &(0x7f0000000280)={0x4, 0x4, &(0x7f00000001c0)="114ea1fc"}) syz_mount_image$gfs2(&(0x7f0000000400)='gfs2\x00', &(0x7f0000000440)='./file0\x00', 0xa323, 0x3, &(0x7f0000001680)=[{&(0x7f0000000480)="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", 0x1000, 0x2}, {&(0x7f00000014c0)="167e3ee47cc66f427bc6a02a948ee163dc5b91cfbff2ebe4b750117c77e2d1c81e406672d0b773fd8b44b35009d2dba3856a990f5769a3e4c0ba4765e0fda75f3cfe26f5bac44d2360100bdae35c225123eca4e275e305a2b3f4285f4f08b4581b9c7258a84e0b5ba45ca7df7bfe4b3f9b4741f3fe2237bddd3db37ba312cdc2c714c178a33a7dca22745f69e4d866ac9864c0cb34bd0459a77dcdf2719c1aa17f3ce2a38db0149447ee0ce18ca7fab134f3afa4b0887e7e6fddb913d94b5da5180b09f84cae799741c580b8b314517e6198f3a99523ed4fab33f3bb533b5468984fd3dd0607e799c3f816979072c866907c73db49", 0xf5, 0x2}, {&(0x7f00000015c0)="6cd41a5dff7554df8cf2ec1f86c45857ce962a60424bc7fe15c1061017235ec40d9df4904cac1f7a29ef844d23f2d89861a71c8f1fd66ef693e4a8d936f55c5e422abed6d74e993a4aa31774f274c946d4ce3f99ccbe916c03c35d4508ea76515ed962dac502eb162263488decf92a4992ed942d5634b931e66a88bfa2b438c0f6294c62755be8f51d0dd9dbb6be6b47f2daad102a1d21051eb12890600d89", 0x9f, 0x80}], 0x20, &(0x7f0000001700)={[{@localcaching='localcaching', 0x2c}, {@noquota='noquota', 0x2c}, {@suiddir='suiddir', 0x2c}, {@lockproto_dlm='lockproto=dlm', 0x2c}, {@data_writeback='data=writeback', 0x2c}]}) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f0000000300)="30ab6668664d19ed83012095813cb14aa591a30ea5a125ddf121ceb08bce5440568953c5a48da0e334535ef7296529b2228b9f58ff28f296e3e30d92bf051fda43db5653a568c605fe776b4a5ac0a4e34f8f095aac55d0a5da4d5390e3fde34d451b61fc0efc38adc03ccbe13a097e987c67acee8bdf66a5dfed21de0cf016cf2172e58d7d39be440962d3f7fc733feb6002272331ab6b5c3e743591cdb2580bd3e76a2e43a284c94c04087e63be91de799fa301d6610260510c3e2e38741773b0", 0xc1}], 0x1, 0x0) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f00000000c0)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$pokeuser(0x6, r3, 0x3, 0x100) openat$cgroup_int(r0, &(0x7f0000000140)='hugetlb.2MB.max_usage_in_bytes\x00', 0x2, 0x0) ioctl$SG_GET_LOW_DMA(r2, 0x227a, &(0x7f0000001740)) r4 = dup(r0) ioctl$DRM_IOCTL_ADD_MAP(r4, 0xc0286415, &(0x7f0000000100)={&(0x7f0000ffc000/0x3000)=nil, 0x5, 0x0, 0x20, &(0x7f0000ffd000/0x1000)=nil, 0x3ff}) 2018/05/17 15:02:44 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x80000, 0x0) ioctl$KDSKBMODE(r1, 0x4b45, &(0x7f00000001c0)=0x1) openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) alarm(0x2) 2018/05/17 15:02:44 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:44 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(0xffffffffffffffff, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:44 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:44 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x100000001}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/syz0\x00', 0x200002, 0x0) dup3(r0, r2, 0x0) [ 254.710115] FAT-fs (loop0): bogus number of reserved sectors [ 254.716087] FAT-fs (loop0): Can't find a valid FAT filesystem [ 254.768339] FAULT_INJECTION: forcing a failure. [ 254.768339] name failslab, interval 1, probability 0, space 0, times 0 [ 254.779703] CPU: 1 PID: 19347 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 254.786993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.796362] Call Trace: [ 254.798975] dump_stack+0x1b9/0x294 [ 254.802631] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.807933] ? perf_trace_lock_acquire+0xe3/0x980 [ 254.812818] should_fail.cold.4+0xa/0x1a [ 254.816909] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.822055] ? graph_lock+0x170/0x170 [ 254.825885] ? lock_downgrade+0x8e0/0x8e0 [ 254.830055] ? kasan_check_write+0x14/0x20 [ 254.834324] ? find_held_lock+0x36/0x1c0 [ 254.838424] ? __lock_is_held+0xb5/0x140 [ 254.842548] ? check_same_owner+0x320/0x320 [ 254.846901] ? rcu_note_context_switch+0x710/0x710 [ 254.851866] __should_failslab+0x124/0x180 [ 254.856152] should_failslab+0x9/0x14 [ 254.859978] kmem_cache_alloc_trace+0x2cb/0x780 [ 254.864687] ? device_create_file+0x1e0/0x1e0 [ 254.869204] kobject_uevent_env+0x20f/0xea0 [ 254.873544] ? device_pm_add+0x221/0x340 [ 254.877648] kobject_uevent+0x1f/0x30 [ 254.881492] device_add+0xb01/0x16d0 [ 254.885244] ? device_private_init+0x230/0x230 [ 254.889848] ? kfree+0x1e9/0x260 [ 254.893248] ? kfree_const+0x5e/0x70 [ 254.896996] device_create_groups_vargs+0x1ff/0x270 [ 254.902061] device_create_vargs+0x46/0x60 [ 254.906508] bdi_register_va.part.10+0xbb/0x9b0 [ 254.911218] ? cgwb_kill+0x630/0x630 2018/05/17 15:02:44 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:44 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = creat(&(0x7f0000000080)='./file0\x00', 0x1) ioctl$TIOCMBIS(r1, 0x5416, &(0x7f0000000100)=0x100) 2018/05/17 15:02:44 executing program 4: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000100)={0x1f, 0x7f, 0xb, 0x7fffffff, 0x1, r0, 0x3}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:44 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x80000, 0x0) ioctl$KDSKBMODE(r0, 0x4b45, &(0x7f00000001c0)=0x1) alarm(0x2) 2018/05/17 15:02:44 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(0xffffffffffffffff, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 254.914961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.920520] ? bdi_init+0x416/0x510 [ 254.924164] ? wb_init+0x9e0/0x9e0 [ 254.927726] ? bdi_alloc_node+0x67/0xe0 [ 254.931715] ? bdi_alloc_node+0x67/0xe0 [ 254.935710] ? rcu_read_lock_sched_held+0x108/0x120 [ 254.940747] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 254.946052] ? _raw_spin_unlock+0x22/0x30 [ 254.950228] bdi_register_va+0x68/0x80 [ 254.954143] super_setup_bdi_name+0x123/0x220 [ 254.958655] ? kill_block_super+0x100/0x100 [ 254.963001] ? kmem_cache_alloc_trace+0x616/0x780 [ 254.967865] ? match_wildcard+0x3c0/0x3c0 [ 254.972037] ? trace_hardirqs_on+0xd/0x10 [ 254.976225] fuse_fill_super+0xe6e/0x1e20 [ 254.980406] ? fuse_get_root_inode+0x190/0x190 [ 254.985015] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 254.990062] ? kasan_check_read+0x11/0x20 [ 254.994234] ? cap_capable+0x1f9/0x260 [ 254.998148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.003707] ? security_capable+0x99/0xc0 [ 255.007884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.013440] ? ns_capable_common+0x13f/0x170 2018/05/17 15:02:44 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:44 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) [ 255.017880] ? get_anon_bdev+0x2f0/0x2f0 [ 255.021958] ? sget+0x113/0x150 [ 255.025268] ? fuse_get_root_inode+0x190/0x190 [ 255.029870] mount_nodev+0x6b/0x110 [ 255.033521] fuse_mount+0x2c/0x40 [ 255.036998] mount_fs+0xae/0x328 [ 255.040396] vfs_kern_mount.part.34+0xd4/0x4d0 [ 255.045002] ? may_umount+0xb0/0xb0 [ 255.048651] ? _raw_read_unlock+0x22/0x30 [ 255.052817] ? __get_fs_type+0x97/0xc0 [ 255.056723] do_mount+0x564/0x3070 [ 255.060273] ? do_raw_spin_unlock+0x9e/0x2e0 [ 255.064710] ? copy_mount_string+0x40/0x40 [ 255.068973] ? rcu_pm_notify+0xc0/0xc0 [ 255.072899] ? copy_mount_options+0x5f/0x380 [ 255.077329] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.082368] ? kmem_cache_alloc_trace+0x616/0x780 [ 255.087239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.092808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.098361] ? copy_mount_options+0x285/0x380 [ 255.102891] ksys_mount+0x12d/0x140 [ 255.106558] __x64_sys_mount+0xbe/0x150 [ 255.110588] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 255.115637] do_syscall_64+0x1b1/0x800 [ 255.119546] ? finish_task_switch+0x1ca/0x840 [ 255.124066] ? syscall_return_slowpath+0x5c0/0x5c0 [ 255.129020] ? syscall_return_slowpath+0x30f/0x5c0 [ 255.133973] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 255.139367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.144330] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.149545] RIP: 0033:0x455a09 [ 255.152748] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 255.160484] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 255.167766] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 255.175055] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 255.182343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 255.189627] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:45 executing program 0 (fault-call:2 fault-nth:67): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:45 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000080)='/dev/cuse\x00', 0x0, 0x0) recvfrom$inet(r0, &(0x7f0000000100)=""/255, 0xff, 0x120, &(0x7f0000000280)={0x2, 0x4e21, @broadcast=0xffffffff}, 0x10) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:45 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x80000, 0x0) alarm(0x2) 2018/05/17 15:02:45 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x0, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:45 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) ioctl$PERF_EVENT_IOC_ID(r0, 0x80082407, &(0x7f0000000040)) sendmmsg$alg(r1, &(0x7f0000001c40)=[{0x0, 0x0, &(0x7f0000000180)=[{&(0x7f00000000c0)="c0bd1fc14f93e70549fae82519d84fc1ac8cedd51e7d79addf29e911773bd837200dce221487ed1db271ec5f6d16aef55c8de5cc7502dbc9d1600608634c52e9ac7523e15d4cb13f1b68187043b03c1a73f71bd8d0cd7982dd750732da69c8941b430954730cba0b29906a2480475316246997054b0424d8208bb1c587cc8a235c344cc25170a8257e8da98fa711566bd597b55482801e3126d05917bb4c0c", 0x9f}, {&(0x7f0000000280)="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", 0x1000}, {&(0x7f0000001280)="53c7a0743d80f832175984be32d46bbaee080213ce3501510c7087ba482faf6ce62b9e4c81f9128f2222e93db65d0c52a04a5fa93f401ce7e1321f565c8b15c1f60097c62277b3aa579593131cb8a6a861b8bb67aa3390d2100fb950521775cab1a995f38d572a00c10866253c5b1051635f79473a25490beeae731b6ef635f9bfc714fea5f1cebb22562b2e5fe72d4f978e4532b1a11d80fffcd56bf1e36cd2cd382c635f3e45c4b7a6f361176f336574562bada4460eb37d", 0xb9}, {&(0x7f0000001340)="641e155201e37048825333362f15eeab4eb18d41dfef5f088505ffbde5b127850a5b37e333606a8fd52a74d461da7f86927b39aeec655575b1f66254be911bb1dacb4df5985803ec283cdaa97946a41713af78be8f2f086b9c4bd9baa5cc31cd849874742816032a1c37d9f221d7c14948ddca258e7db49742c99cc04b10a0e73f60a8d34b56150c3aa4b037b47d4ac7cb9a864899af2f94f83bbf5c34bc1b59e4dfcfa94c725b82e91054680387d20c8c0487dc0a9d8748f8f6ed6f34a665eda775e40730", 0xc5}, {&(0x7f0000001440)="03ea03e74751121b37efffc73547d8e28a012973e0e60d777f48f64b9924710172679b4eeaaa5a933dd657b947992026ceb4066067d348943656563896fc0d071b9f02ea4d2434d14906a20ae6467799d9721077e9a50d5b947c89787e51acc1c958eb35f037cf089637180239d41acb0d5e519d5cd48c4f2b09592a284d68aa2b7d3e445a75b238e302beda9afb34c6775360aed5bb062444fb1c0f", 0x9c}, {&(0x7f0000001500)="3dbb6f2d0cbb9ea68fa23ca9a9b0cdfedeaae012941cad1b152223bab162383385479440bd657b36c8ed69b0367711afc79fda3620d4ffa81953d360cf283f9b614fa3d27933f2748d40d98cb84a899855756f501e11a575730e8c55bcb4f4c3353bd4c9f2087c92578fa3a4048136a87b4a46432a1fce28843271937a14882b4770a8ad78dd1e377ca18a9b009cf4fbdc2c681c9b2b20fbb914e48feecc83f843b61a5b0c306028dbaeba73b2668afa5b874e56c54cf63c", 0xb8}, {&(0x7f00000015c0)="ecb8fdd803a60d8c977e63de330bfb3889f464b7c815dff1f47bfa09b5ef33a573881b84d5070c472e6d9c9661147a80b142788d8f9da39457cfc44df7d872779c021811dc7e6c7c48cb8796ddeba9b272f6895eef6a184641742dc9a14fce14ac97e08de32e686e7f0b86687d879b9cb49ef4604e9e89faf88ba312230c5279c735fd2c0f69b3b4c71711ca4d464d316782d88eb76ea4ccebefac33d9bea55ac572002c73a09b", 0xa7}, {&(0x7f0000001680)="a62a11337d36bc57691fe2437178cd7e9e66b3548d323fce034cd7cc8dbd8785ebf361d44c734cfd0c1ac3ae375bdc68e46cd511da52d6856a6aaae966565e157870042ea7cdc6a1e817cbd721808baf10497b65078ec8552f57b99675975e71523d0c9e08570a97eb7f321fdb88988dc1f143c540837a817f3ffddb391652598fc9e5b31083717bcb41631ef62ddafb34", 0x91}], 0x8, &(0x7f0000001740)=[@assoc={0x18, 0x117, 0x4, 0x401}, @op={0x18, 0x117, 0x3, 0x1}, @op={0x18, 0x117, 0x3}, @assoc={0x18, 0x117, 0x4, 0x10000}, @iv={0x70, 0x117, 0x2, 0x57, "541745ee5943703bea463d2efc6e07af9b2ce19f2daa1e007058644cc4991a61fdf976ccd1a8e23c0ad7c6a50ec91cadb648b47837cffe88d645357c860f9727442f2b0827c5e785546a922c83925346f52a14faf8aa4a"}], 0xd0, 0x80}, {0x0, 0x0, &(0x7f00000018c0)=[{&(0x7f0000001840)="22ce2a514b7c9225c3d72c48a0597709cb5815c8b90c0e3c03e1ea1c7b9cef057a5e87942c97bea6bff30aed9f46accc345a5f0f87ffafe1185e4a9e1a2c623eb5f4423edcc6af348a1679a1b65a1b5d9d0b8e0c5d5555a218c60dbc96326c5ab18e6111c0dda29c710c35233ac99e", 0x6f}], 0x1, 0x0, 0x0, 0x4000}, {0x0, 0x0, &(0x7f0000001980)=[{&(0x7f0000001900)}, {&(0x7f0000001940)="9e107b41e10e", 0x6}], 0x2, &(0x7f00000019c0)=[@iv={0x110, 0x117, 0x2, 0xf8, "b8657f6ff5baeae16d2467016a98c55b61ac473607652e2c45586224886e050ae424f315f9a7b04d44d496747b170fa565e0afc35237767c3723cf3292b3361c8f8d205d9936600e3315ccec68496e216e4427e3686709f6b78a88081e9b59ba504ba0843c85c6d7fa4de1389497ec1693c178f78fbda3d22f06dd88b6e282bd5f3b6c8928c14c9aa77d0d79e3fc05fc93bfcb87188e415fc8e454f86c691af69ec3b297b24e27ee3c9643d1ed318ac73a49f4aecf710c39571e06c9845becc804dc73ee5b15f11deff8df9f626a2894debd6d6cda45bd93b05e0ec43b3fe07d06dadcf3bb566c543ffb6535b9317e1b1f9945c895fd4658"}, @iv={0x50, 0x117, 0x2, 0x37, "d5b8d6ae40b943b415b2dcafeacd176779802c059b4f177af8e0f9e892af34c65018356fe6dcec5c578083ca36bb0eae927b42057aa143"}, @assoc={0x18, 0x117, 0x4, 0x1}, @assoc={0x18, 0x117, 0x4, 0x100000001}], 0x190, 0x1}, {0x0, 0x0, &(0x7f0000001c00)=[{&(0x7f0000001b80)="b596fdb700b2a44f72908f6f33e1e7af277fea7091a591972ecb67644e49405cb16cd1b39f686190832e24f75e0f80fa3f4ef7f381b6cb214494ef402dd8afd13a00f98d186d35d9f6be911dea41da993346c1bcf20cc9d113fd5e03f5098c9c2ffbcb4c368e8a63c28916d13f533bea", 0x70}], 0x1, 0x0, 0x0, 0x40800}], 0x4, 0x90) r2 = openat$cgroup_int(r1, &(0x7f0000001d80)='cpke\x00', 0x2, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:45 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x0) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:45 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000300)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000140)='IPVS\x00') getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x18, &(0x7f0000000080)={0x0, 0x8}, &(0x7f0000000340)=0x8) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000380)=@assoc_value={r3, 0x237}, 0x8) sendmsg$IPVS_CMD_NEW_DAEMON(r1, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8800010}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0x74, r2, 0x14, 0x70bd2a, 0x25dfdbff, {0x9}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x10000}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x1000}, @IPVS_CMD_ATTR_DAEMON={0x4, 0x3}, @IPVS_CMD_ATTR_SERVICE={0x4c, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x3}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x2f}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'sed\x00'}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x3}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x0, 0x10}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@remote={0xfe, 0x80, [], 0xbb}}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x40}, 0x40044) 2018/05/17 15:02:45 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = syz_open_dev$adsp(&(0x7f0000000080)='/dev/adsp#\x00', 0x3a, 0x201968ece97f1c3e) ioctl$TIOCGSID(r2, 0x5429, &(0x7f0000000140)=0x0) ioctl$TIOCSPGRP(r2, 0x5410, &(0x7f0000000180)=r3) getsockopt$netrom_NETROM_IDLE(r2, 0x103, 0x7, &(0x7f00000000c0)=0x86, &(0x7f0000000100)=0x4) pwritev(r1, &(0x7f0000001480)=[{&(0x7f0000000040)="00bbeae214ba34624986b48cbddf67c8ef6a21eef7731739f4846d0ff9c5519ac421fd450f38267512c97c3a2b4aca1dd06c42", 0x1}], 0xffffd7a, 0x0) 2018/05/17 15:02:45 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000140)='notify_on_release\x00', 0x2, 0x0) dup3(r0, r2, 0x0) r3 = socket(0xa, 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r3, 0x84, 0x4, &(0x7f00000000c0)=0x1000, 0x4) setsockopt$EBT_SO_SET_ENTRIES(r3, 0x0, 0x80, &(0x7f0000000580)=@nat={'%at\x00', 0x19, 0x1, 0x1e0, [0x20000380, 0x0, 0x0, 0x20000500, 0x20000530], 0x0, &(0x7f0000000040), &(0x7f0000000600)=ANY=[@ANYBLOB="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"]}, 0x258) openat$urandom(0xffffffffffffff9c, &(0x7f0000000100)='/dev/urandom\x00', 0x200000000000000, 0x0) [ 255.401788] FAT-fs (loop0): bogus number of reserved sectors [ 255.407740] FAT-fs (loop0): Can't find a valid FAT filesystem [ 255.450239] kernel msg: ebtables bug: please report to author: EBT_ENTRY_OR_ENTRIES shouldn't be set in distinguisher [ 255.469894] kernel msg: ebtables bug: please report to author: EBT_ENTRY_OR_ENTRIES shouldn't be set in distinguisher [ 255.489517] FAULT_INJECTION: forcing a failure. [ 255.489517] name failslab, interval 1, probability 0, space 0, times 0 [ 255.501208] CPU: 1 PID: 19421 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 255.508495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.517863] Call Trace: [ 255.520483] dump_stack+0x1b9/0x294 [ 255.524144] ? dump_stack_print_info.cold.2+0x52/0x52 [ 255.529361] ? perf_trace_lock_acquire+0xe3/0x980 [ 255.534254] should_fail.cold.4+0xa/0x1a [ 255.538345] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.543482] ? kobject_uevent_env+0x62e/0xea0 [ 255.548004] ? graph_lock+0x170/0x170 [ 255.551840] ? find_held_lock+0x36/0x1c0 [ 255.555930] ? __lock_is_held+0xb5/0x140 [ 255.560041] ? check_same_owner+0x320/0x320 [ 255.564393] ? rcu_note_context_switch+0x710/0x710 [ 255.569340] ? put_dec+0xf0/0xf0 [ 255.572726] ? format_decode+0x1a9/0xae0 [ 255.576813] __should_failslab+0x124/0x180 [ 255.581078] should_failslab+0x9/0x14 [ 255.584904] kmem_cache_alloc_node+0x272/0x780 [ 255.589536] __alloc_skb+0x111/0x780 [ 255.593281] ? skb_scrub_packet+0x580/0x580 [ 255.597627] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 255.603362] ? netlink_has_listeners+0x2ff/0x4c0 [ 255.603436] ? netlink_tap_init_net+0x3c0/0x3c0 [ 255.603478] kobject_uevent_env+0x801/0xea0 [ 255.603499] ? device_pm_add+0x221/0x340 [ 255.603536] kobject_uevent+0x1f/0x30 [ 255.603555] device_add+0xb01/0x16d0 [ 255.603587] ? device_private_init+0x230/0x230 [ 255.603602] ? kfree+0x1e9/0x260 [ 255.603627] ? kfree_const+0x5e/0x70 [ 255.603656] device_create_groups_vargs+0x1ff/0x270 [ 255.603683] device_create_vargs+0x46/0x60 2018/05/17 15:02:45 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x0) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:45 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) alarm(0x2) 2018/05/17 15:02:45 executing program 4: bpf$MAP_CREATE(0x0, &(0x7f0000000140)={0xf, 0x7f, 0x4, 0x5, 0x1}, 0x2c) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000200)={0x26, 'hash\x00', 0x0, 0x0, 'hmac(rmd256-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00000000c0)="ad94e680082507597a259698bc9fcebdd9e624301f9e60f71344231fa452cbcc40c002868dd9d2d0c72730e27028f96987f9ab1825deef989dc0ed21d08288564b", 0x41) r1 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x9, 0x20000) ioctl$sock_inet_SIOCGIFNETMASK(r1, 0x891b, &(0x7f0000000080)={'ifb0\x00', {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x1b}}}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000040), &(0x7f0000000180)="acf20bfeefd39ad2c0e47d70831d8c0dea2f29a402d29a289a2e322cbf5e51438c983e63", 0x2}, 0x20) 2018/05/17 15:02:45 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x0, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:45 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r3 = pkey_alloc(0x0, 0x1) pkey_mprotect(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x2000000, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000080)='/dev/vcsa#\x00', 0x1ff, 0x4000) ioctl$DRM_IOCTL_MODESET_CTL(r4, 0x40086408, &(0x7f0000000180)={0x8, 0x61a}) perf_event_open$cgroup(&(0x7f0000000100)={0x0, 0x70, 0x9, 0x2000000000000000, 0x2, 0x1, 0x0, 0x5, 0x0, 0x6, 0x3, 0x4, 0x1ff, 0x2, 0x3f, 0x4, 0x7f, 0x2, 0x83a, 0x3ff, 0x7, 0x8001, 0x4, 0x3, 0x6b0a, 0x2, 0xd11, 0x1, 0x1, 0xffff, 0x8, 0x6d, 0xc9, 0x80, 0x401, 0x5, 0x81, 0x0, 0x0, 0x9, 0x4, @perf_bp={&(0x7f0000000040), 0xa}, 0x200, 0x8, 0x1, 0x5, 0xd996, 0x3, 0x401}, r1, 0xc, r0, 0x0) 2018/05/17 15:02:45 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = syz_open_dev$amidi(&(0x7f0000000080)='/dev/amidi#\x00', 0x1, 0x10400) ioctl$KVM_GET_CPUID2(r1, 0xc008ae91, &(0x7f0000000280)={0xa, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}]}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:45 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000180)='IPVS\x00') sendmsg$IPVS_CMD_SET_DEST(r0, &(0x7f00000002c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0x1c, r1, 0x100101, 0x70bd26, 0x25dfdbfa, {0x6}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x10) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0xbc3d, 0x1000, 0x5, 0x80001, 0xffffffffffffffff, 0x100000000000000}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r3 = socket(0x200000000002, 0x1, 0x0) ioctl(r3, 0x8912, &(0x7f0000000240)="c626262c8523bf012cf66f") r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$TCSETSF(r4, 0x40085112, &(0x7f0000000040)={0x3ff}) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000080)={0x0}, &(0x7f0000000100)=0xc) sched_getscheduler(r5) [ 255.603711] bdi_register_va.part.10+0xbb/0x9b0 [ 255.603733] ? cgwb_kill+0x630/0x630 [ 255.603756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.603772] ? bdi_init+0x416/0x510 [ 255.603790] ? wb_init+0x9e0/0x9e0 [ 255.603812] ? bdi_alloc_node+0x67/0xe0 [ 255.603828] ? bdi_alloc_node+0x67/0xe0 [ 255.603847] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.603867] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 255.603895] ? _raw_spin_unlock+0x22/0x30 [ 255.603923] bdi_register_va+0x68/0x80 [ 255.603947] super_setup_bdi_name+0x123/0x220 [ 255.603967] ? kill_block_super+0x100/0x100 [ 255.603990] ? kmem_cache_alloc_trace+0x616/0x780 [ 255.604008] ? match_wildcard+0x3c0/0x3c0 [ 255.604029] ? trace_hardirqs_on+0xd/0x10 [ 255.604064] fuse_fill_super+0xe6e/0x1e20 [ 255.604098] ? fuse_get_root_inode+0x190/0x190 [ 255.604124] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 255.604150] ? kasan_check_read+0x11/0x20 [ 255.604175] ? cap_capable+0x1f9/0x260 [ 255.604206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.604223] ? security_capable+0x99/0xc0 [ 255.604249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.604266] ? ns_capable_common+0x13f/0x170 [ 255.604290] ? get_anon_bdev+0x2f0/0x2f0 [ 255.604308] ? sget+0x113/0x150 [ 255.604331] ? fuse_get_root_inode+0x190/0x190 [ 255.604351] mount_nodev+0x6b/0x110 [ 255.604372] fuse_mount+0x2c/0x40 [ 255.604395] mount_fs+0xae/0x328 [ 255.604425] vfs_kern_mount.part.34+0xd4/0x4d0 [ 255.604456] ? may_umount+0xb0/0xb0 [ 255.604477] ? _raw_read_unlock+0x22/0x30 [ 255.604495] ? __get_fs_type+0x97/0xc0 [ 255.604526] do_mount+0x564/0x3070 [ 255.604554] ? copy_mount_string+0x40/0x40 [ 255.808610] ? rcu_pm_notify+0xc0/0xc0 [ 255.808643] ? copy_mount_options+0x5f/0x380 [ 255.816926] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.821966] ? kmem_cache_alloc_trace+0x616/0x780 [ 255.826840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.832401] ? _copy_from_user+0xdf/0x150 [ 255.836584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.842122] ? copy_mount_options+0x285/0x380 [ 255.846626] ksys_mount+0x12d/0x140 [ 255.850257] __x64_sys_mount+0xbe/0x150 [ 255.854228] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 255.859260] do_syscall_64+0x1b1/0x800 [ 255.863144] ? finish_task_switch+0x1ca/0x840 [ 255.867637] ? syscall_return_slowpath+0x5c0/0x5c0 [ 255.872567] ? syscall_return_slowpath+0x30f/0x5c0 [ 255.877513] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 255.882882] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.887730] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.892924] RIP: 0033:0x455a09 [ 255.896107] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 255.903828] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 255.911095] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 255.918362] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 255.925628] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 255.932900] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:45 executing program 0 (fault-call:2 fault-nth:68): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:45 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) alarm(0x2) 2018/05/17 15:02:45 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x0, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:45 executing program 6: r0 = syz_open_dev$mice(&(0x7f0000000100)='/dev/input/mice\x00', 0x0, 0x200000801) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x4008}, 0x0, 0x0, r0, 0x0) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000040)=0x3) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) getsockopt$bt_l2cap_L2CAP_CONNINFO(r0, 0x6, 0x2, &(0x7f0000000280), &(0x7f00000002c0)=0x6) r3 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) setsockopt$IP_VS_SO_SET_DELDEST(r0, 0x0, 0x488, &(0x7f0000000140)={{0x2f, @empty, 0x4e20, 0x4, 'nq\x00', 0x2, 0x4, 0x77}, {@broadcast=0xffffffff, 0x4e23, 0x2, 0x6, 0xd4, 0x4}}, 0x44) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f00000001c0)=0xc) r5 = getpid() kcmp(r4, r5, 0x2, r0, r2) dup3(r1, r3, 0x0) 2018/05/17 15:02:45 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x0) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:45 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0xffffffffffffffba, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000080)='/dev/cuse\x00', 0x43, 0x0) ioctl$SIOCGIFMTU(r1, 0x8921, &(0x7f0000000100)) 2018/05/17 15:02:45 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) sched_yield() pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:45 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = syz_open_dev$adsp(&(0x7f0000000280)='/dev/adsp#\x00', 0x27, 0x0) ioctl$sock_inet_SIOCSIFDSTADDR(r1, 0x8918, &(0x7f0000000140)={'yam0\x00', {0x2, 0x4e24, @multicast2=0xe0000002}}) bind$inet6(r1, &(0x7f0000000100)={0xa, 0x4e22, 0x5, @loopback={0x0, 0x1}, 0x2}, 0x1c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) recvmsg$kcm(r1, &(0x7f0000000840)={&(0x7f00000002c0)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @dev}}}, 0x80, &(0x7f0000000700)=[{&(0x7f0000000340)=""/73, 0x49}, {&(0x7f00000003c0)=""/127, 0x7f}, {&(0x7f0000000440)=""/95, 0x5f}, {&(0x7f00000004c0)=""/230, 0xe6}, {&(0x7f00000001c0)=""/38, 0x26}, {&(0x7f00000005c0)=""/254, 0xfe}, {&(0x7f00000006c0)=""/54, 0x36}], 0x7, &(0x7f0000000780)=""/130, 0x82, 0x2}, 0x0) getsockopt$inet_sctp_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f0000000080)=ANY=[@ANYBLOB="ffe593e084e3"], &(0x7f0000000180)=0x6) [ 256.101205] FAT-fs (loop0): bogus number of reserved sectors [ 256.107157] FAT-fs (loop0): Can't find a valid FAT filesystem [ 256.126331] FAULT_INJECTION: forcing a failure. [ 256.126331] name failslab, interval 1, probability 0, space 0, times 0 [ 256.137672] CPU: 1 PID: 19468 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 256.144962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.154333] Call Trace: [ 256.156950] dump_stack+0x1b9/0x294 [ 256.160613] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.165826] ? is_bpf_text_address+0xd7/0x170 [ 256.170363] should_fail.cold.4+0xa/0x1a [ 256.174450] ? __save_stack_trace+0x7e/0xd0 [ 256.178799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.183940] ? graph_lock+0x170/0x170 [ 256.187762] ? save_stack+0x43/0xd0 [ 256.191418] ? kasan_kmalloc+0xc4/0xe0 [ 256.195323] ? kasan_slab_alloc+0x12/0x20 2018/05/17 15:02:46 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vga_arbiter\x00', 0x80100, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000140)={'vcan0\x00', 0x0}) recvfrom$packet(r0, &(0x7f0000000100)=""/62, 0x3e, 0x12002, &(0x7f0000000180)={0x11, 0xfc, r1, 0x1, 0x7, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}, 0x14) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:46 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) [ 256.199498] ? find_held_lock+0x36/0x1c0 [ 256.203594] ? __lock_is_held+0xb5/0x140 [ 256.207701] ? check_same_owner+0x320/0x320 [ 256.212049] ? rcu_note_context_switch+0x710/0x710 [ 256.217012] __should_failslab+0x124/0x180 [ 256.221270] should_failslab+0x9/0x14 [ 256.225092] kmem_cache_alloc_node_trace+0x26f/0x770 [ 256.230244] __kmalloc_node_track_caller+0x33/0x70 [ 256.235201] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 256.239987] __alloc_skb+0x14d/0x780 [ 256.243734] ? skb_scrub_packet+0x580/0x580 2018/05/17 15:02:46 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) fcntl$getownex(r0, 0x10, &(0x7f0000000080)={0x0, 0x0}) ptrace$pokeuser(0x6, r1, 0x7fffffff, 0xfffffffffffffffd) 2018/05/17 15:02:46 executing program 5: alarm(0x2) 2018/05/17 15:02:46 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x0, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) [ 256.248081] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 256.253316] ? netlink_has_listeners+0x2ff/0x4c0 [ 256.258089] ? netlink_tap_init_net+0x3c0/0x3c0 [ 256.262799] kobject_uevent_env+0x801/0xea0 [ 256.267142] ? device_pm_add+0x221/0x340 [ 256.271249] kobject_uevent+0x1f/0x30 [ 256.275071] device_add+0xb01/0x16d0 [ 256.278817] ? device_private_init+0x230/0x230 [ 256.283420] ? kfree+0x1e9/0x260 [ 256.286814] ? kfree_const+0x5e/0x70 [ 256.290554] device_create_groups_vargs+0x1ff/0x270 [ 256.295597] device_create_vargs+0x46/0x60 2018/05/17 15:02:46 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(0xffffffffffffffff, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 256.299866] bdi_register_va.part.10+0xbb/0x9b0 [ 256.304555] ? cgwb_kill+0x630/0x630 [ 256.308293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.313868] ? bdi_init+0x416/0x510 [ 256.317511] ? wb_init+0x9e0/0x9e0 [ 256.321080] ? bdi_alloc_node+0x67/0xe0 [ 256.325069] ? bdi_alloc_node+0x67/0xe0 [ 256.329064] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.334104] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 256.339416] ? _raw_spin_unlock+0x22/0x30 [ 256.343592] bdi_register_va+0x68/0x80 [ 256.347504] super_setup_bdi_name+0x123/0x220 [ 256.352018] ? kill_block_super+0x100/0x100 [ 256.356377] ? kmem_cache_alloc_trace+0x616/0x780 [ 256.361236] ? match_wildcard+0x3c0/0x3c0 [ 256.365412] ? trace_hardirqs_on+0xd/0x10 [ 256.369595] fuse_fill_super+0xe6e/0x1e20 [ 256.373779] ? fuse_get_root_inode+0x190/0x190 [ 256.378395] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 256.383441] ? kasan_check_read+0x11/0x20 [ 256.387610] ? cap_capable+0x1f9/0x260 [ 256.391529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.397083] ? security_capable+0x99/0xc0 2018/05/17 15:02:46 executing program 5: alarm(0x2) 2018/05/17 15:02:46 executing program 7: r0 = accept(0xffffffffffffffff, 0x0, &(0x7f0000000080)) ioctl(r0, 0x1, &(0x7f0000000100)="b4cfa5fe7f835f70e1e4fe2853251c1594e08c450baf765852ca5de16830e00fb0b2e9dc520b54d1377a50d322233ff96cd57f8182370fd2e173dfc7c931751c1cc37317e13382817a603732af570f1fe84d4f776ab78aedd45e51480958dfaca0a8e4c4552b3d6c5fb7dd1040d97d5f2fa799") perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 256.401257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.406809] ? ns_capable_common+0x13f/0x170 [ 256.411251] ? get_anon_bdev+0x2f0/0x2f0 [ 256.415327] ? sget+0x113/0x150 [ 256.418623] ? fuse_get_root_inode+0x190/0x190 [ 256.423226] mount_nodev+0x6b/0x110 [ 256.426875] fuse_mount+0x2c/0x40 [ 256.430354] mount_fs+0xae/0x328 [ 256.433841] vfs_kern_mount.part.34+0xd4/0x4d0 [ 256.438445] ? may_umount+0xb0/0xb0 [ 256.442095] ? _raw_read_unlock+0x22/0x30 [ 256.446265] ? __get_fs_type+0x97/0xc0 [ 256.450190] do_mount+0x564/0x3070 [ 256.453764] ? copy_mount_string+0x40/0x40 [ 256.458018] ? rcu_pm_notify+0xc0/0xc0 [ 256.461953] ? copy_mount_options+0x5f/0x380 [ 256.466386] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.471424] ? kmem_cache_alloc_trace+0x616/0x780 [ 256.476295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.481850] ? _copy_from_user+0xdf/0x150 [ 256.486027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.491584] ? copy_mount_options+0x285/0x380 [ 256.496110] ksys_mount+0x12d/0x140 [ 256.499758] __x64_sys_mount+0xbe/0x150 [ 256.503749] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 256.508790] do_syscall_64+0x1b1/0x800 [ 256.512701] ? finish_task_switch+0x1ca/0x840 [ 256.517213] ? syscall_return_slowpath+0x5c0/0x5c0 [ 256.522167] ? syscall_return_slowpath+0x30f/0x5c0 [ 256.527121] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 256.532514] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.537396] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.542595] RIP: 0033:0x455a09 [ 256.545786] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 256.553499] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 256.560762] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 256.568033] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 256.575312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 256.582587] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:46 executing program 0 (fault-call:2 fault-nth:69): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:46 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000280)="5cd56b2d", 0x200002, 0x0) r1 = syz_open_dev$dspn(&(0x7f0000000180)='/dev/dsp#\x00', 0x7, 0x40) setsockopt$sock_void(r1, 0x1, 0x1b, 0x0, 0x0) eventfd2(0x70000000000, 0x80000) ioctl$TCSETS(r1, 0x5402, &(0x7f0000000080)={0xca0, 0x8, 0x3, 0x20, 0x401, 0x6, 0xe25, 0x100, 0x81, 0x7fff, 0x40, 0x8000}) ioctl$sock_inet_SIOCGIFPFLAGS(r1, 0x8935, &(0x7f0000000100)={'syz_tun\x00'}) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) io_setup(0x0, &(0x7f0000000140)) ioctl$PERF_EVENT_IOC_SET_BPF(r1, 0x40042408, r1) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x1b, &(0x7f0000000300)={0x0, 0xf9, "b56202ce257d2889b8ff8406b2ce4880295e1f5de600e0e42ba1767f24624ee7af3422d13b00e4bf4bc4e7e47a4c70d5eb727056d84e98a225df13100cf6a26cfd19c11d63cd9f6ac68981940456c2027f0bce741cad2d3bea3c8bfcd2cdf86744489efe3b237a86f74af62df4d5f9f3138bd44baf15531d2434c9e12398d21d3a0bf0caa4e265d8f0c91169ae066047893c934cb9d17995d7abd656b5f9d91c78dc1259efd27e9064f629f7fba6f921c1d1741619c1bfd4dd70a05d36ec53f78b743a46d68518644e2facc78e6bdc740a4df71f0e9a7eda475a74ad14dccbcbf879b8d28727f8364406e3a9a622eef4a5e0f36f5f4d24fe17"}, &(0x7f0000000040)=0x101) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x1b, &(0x7f0000000440)={r3, 0x3f, "98f34ae60d1eafe4dc8c6de957810a6a5a4583e20127399e8bd0d78afad81c5a7201ac4c5f5c19ae8af7aa56f7a748bb28d6eaedc3eeb63d11d665df637e29"}, &(0x7f00000001c0)=0x47) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:46 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x101}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null\x00', 0x2, 0x0) setsockopt$inet_mreqsrc(r1, 0x0, 0x27, &(0x7f0000000100)={@dev={0xac, 0x14, 0x14, 0x13}, @empty, @rand_addr=0x4}, 0xc) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:46 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x0, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:46 executing program 5: alarm(0x2) 2018/05/17 15:02:46 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, 0xffffffffffffffff, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:46 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x44000, 0x0) r0 = openat$autofs(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/autofs\x00', 0x189000, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x92f, 0x1, r0, 0x4}, 0xffffffffffffffbb) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000280), &(0x7f0000000300)}, 0x20) r2 = syz_open_dev$vcsa(&(0x7f0000000080)='/dev/vcsa#\x00', 0x7ff, 0x600200) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r2, 0x84, 0x20, &(0x7f0000000100), &(0x7f0000000140)=0x4) 2018/05/17 15:02:46 executing program 6: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net/netfilter\x00') getsockopt$IP6T_SO_GET_REVISION_MATCH(r0, 0x29, 0x44, &(0x7f00000000c0)={'ah\x00'}, &(0x7f0000000100)=0x1e) getsockname(r0, &(0x7f0000000140)=@l2, &(0x7f00000001c0)=0x80) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r1, r3, 0x0) [ 256.751264] FAT-fs (loop0): bogus number of reserved sectors [ 256.757384] FAT-fs (loop0): Can't find a valid FAT filesystem [ 256.789901] FAULT_INJECTION: forcing a failure. [ 256.789901] name failslab, interval 1, probability 0, space 0, times 0 [ 256.801253] CPU: 1 PID: 19525 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 256.808550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.818097] Call Trace: [ 256.820712] dump_stack+0x1b9/0x294 [ 256.824476] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.829713] ? perf_trace_lock_acquire+0xe3/0x980 [ 256.834596] should_fail.cold.4+0xa/0x1a [ 256.838688] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.843826] ? graph_lock+0x170/0x170 [ 256.847673] ? save_stack+0x43/0xd0 2018/05/17 15:02:46 executing program 5: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) alarm(0x2) 2018/05/17 15:02:46 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setpipe(r0, 0x407, 0x8001) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) io_setup(0x8, &(0x7f0000000080)) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000100)="41f2b3bc0166906e6dcedc86d921a8420291c2f44fec04f99f80023d0bb328b7a66149d7caf3103fe19d14740e67ea9a3af9525c9664328b36", &(0x7f0000000140)="c4a68efb14ba30138d778427326c61371172383a4edeb47f6b5a8d4c0a73022a23f3a793067ec292bf00078b3cc2c606a37fe1a0dccacff6514111da008bf7fb3f7c0e20ccb83d22545f11b947240e9f86f172b350396eec296b74ccab3f038ec1f88516c39ddb87f06bc663a60a5349d4d5e9b7cf770b4f3a03361963d1be8512504223b5737a739cb5915b2f02cd96e71ec1653d1719bef34510c7"}, 0x20) [ 256.851351] ? kasan_slab_alloc+0x12/0x20 [ 256.855529] ? find_held_lock+0x36/0x1c0 [ 256.859622] ? __lock_is_held+0xb5/0x140 [ 256.863729] ? check_same_owner+0x320/0x320 [ 256.868083] ? rcu_note_context_switch+0x710/0x710 [ 256.873047] __should_failslab+0x124/0x180 [ 256.877309] should_failslab+0x9/0x14 [ 256.881139] kmem_cache_alloc_node_trace+0x26f/0x770 [ 256.886390] __kmalloc_node_track_caller+0x33/0x70 [ 256.891352] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 256.896138] __alloc_skb+0x14d/0x780 2018/05/17 15:02:46 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_CREATE(0x0, &(0x7f0000000080)={0xf, 0x2, 0x4, 0x7, 0x23, r0, 0x8}, 0x2c) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vga_arbiter\x00', 0x140, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r1, 0xc008551a, &(0x7f0000000140)=ANY=[@ANYBLOB="00000000000002e400000000"]) ioctl$KVM_SET_VAPIC_ADDR(r1, 0x4008ae93, &(0x7f0000000180)=0x6000) r2 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x9a, 0x2200) ioctl$DRM_IOCTL_AGP_RELEASE(r2, 0x6431) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000780)={r0, &(0x7f0000000600)="787768a6047555599b1e0ec2703a19498d10a3158cd9ff9687000000002000000000000000000000", &(0x7f00000007c0)="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", 0x100}, 0x6b1d6e1a57405691) 2018/05/17 15:02:46 executing program 1: r0 = creat(&(0x7f0000000180)='\x00', 0x114) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000280)='/proc/sys/net/ipv4/vs/sloppy_tcp\x00', 0x2, 0x0) linkat(r0, &(0x7f00000001c0)='./file0\x00', r1, &(0x7f0000000400)='./file0\x00', 0x1400) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x800, 0x8000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf6b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r4 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x7, 0x10400) r5 = getpgrp(0x0) r6 = fcntl$getown(r4, 0x9) rt_tgsigqueueinfo(r5, r6, 0x3, &(0x7f0000000440)={0x3, 0x7f, 0x1b1f, 0x2dcb}) ioctl$BINDER_SET_MAX_THREADS(r4, 0x40046205, 0x2) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) clock_gettime(0x0, &(0x7f0000000140)={0x0, 0x0}) write$sndseq(r4, &(0x7f0000000300)=[{0x7ff, 0x1, 0x7, 0xff, @time, {0x3247ef4a, 0x8}, {0x1}, @control={0x8, 0x7, 0x10001}}, {0x7, 0x6, 0x20, 0x52ed03cb, @time={r7, r8+10000000}, {0x6, 0xfff}, {0x7f, 0xffff}, @control={0x5, 0x67, 0x3}}, {0xd4d4, 0xffffffff80000000, 0x5, 0x1, @time={r9, r10+30000000}, {0xde, 0x6}, {0x401, 0x1ff}, @quote={{0x100000000, 0x4}, 0x6}}, {0x6bd3de75, 0x1, 0xdc, 0x2, @time={r11, r12+30000000}, {0x2, 0x800}, {0x3e1, 0x77}, @raw32={[0x9b6, 0x10000, 0x5]}}, {0x1, 0x5, 0x8c49, 0x7, @time={0x0, 0x1c9c380}, {0x2, 0xffffffff}, {0x800, 0x38}, @connect={{0x8, 0x1}, {0xff, 0x9}}}], 0xf0) 2018/05/17 15:02:46 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x0, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) [ 256.899885] ? skb_scrub_packet+0x580/0x580 [ 256.904251] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 256.909487] ? netlink_has_listeners+0x2ff/0x4c0 [ 256.914271] ? netlink_tap_init_net+0x3c0/0x3c0 [ 256.918991] kobject_uevent_env+0x801/0xea0 [ 256.923344] ? device_pm_add+0x221/0x340 [ 256.927447] kobject_uevent+0x1f/0x30 [ 256.931274] device_add+0xb01/0x16d0 [ 256.935027] ? device_private_init+0x230/0x230 [ 256.939625] ? kfree+0x1e9/0x260 [ 256.943017] ? kfree_const+0x5e/0x70 [ 256.946760] device_create_groups_vargs+0x1ff/0x270 2018/05/17 15:02:46 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x0) [ 256.951802] device_create_vargs+0x46/0x60 [ 256.956065] bdi_register_va.part.10+0xbb/0x9b0 [ 256.960761] ? cgwb_kill+0x630/0x630 [ 256.964499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.970056] ? bdi_init+0x416/0x510 [ 256.973707] ? wb_init+0x9e0/0x9e0 [ 256.977280] ? bdi_alloc_node+0x67/0xe0 [ 256.981271] ? bdi_alloc_node+0x67/0xe0 [ 256.985266] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.990307] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 256.995617] ? _raw_spin_unlock+0x22/0x30 2018/05/17 15:02:46 executing program 5: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) alarm(0x2) [ 256.999795] bdi_register_va+0x68/0x80 [ 257.003710] super_setup_bdi_name+0x123/0x220 [ 257.008251] ? kill_block_super+0x100/0x100 [ 257.012597] ? kmem_cache_alloc_trace+0x616/0x780 [ 257.017460] ? match_wildcard+0x3c0/0x3c0 [ 257.021627] ? trace_hardirqs_on+0xd/0x10 [ 257.025813] fuse_fill_super+0xe6e/0x1e20 [ 257.030024] ? fuse_get_root_inode+0x190/0x190 [ 257.034635] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 257.039675] ? kasan_check_read+0x11/0x20 [ 257.043848] ? cap_capable+0x1f9/0x260 2018/05/17 15:02:46 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000380)="91ca7cbb20abcb428f20c52518a3b049fe16f38f04d86dac1539949e572eb6725ac8375a48be3d8041fd318d4096aae2b9bfe2b078bbeed6b60fe4cfecb87c9c54ff64456a67ced90cd5bd1f0c76dfab379000a1072d0f091a86f4761e4b74d5f0590eeb62300a5f3729cc1e47ae4f08141cb31de6c63b0cac913717198dd7832b30874c6c29f97a2e5f623c62289ca78124579681336c450262bc98549e6cef7f07d32a767a5734538774f4693d4fcd40f7862b18edc9b89f391336efc747de97a8fdbc04670c6f12af796441f28d3c8ca1314b641920e591929a1f668fe9a0fe8b1603050f86b3bd8fa0bd4136e600850103518cf2", 0x800}, 0x20) [ 257.047774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.053332] ? security_capable+0x99/0xc0 [ 257.057503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.063060] ? ns_capable_common+0x13f/0x170 [ 257.067499] ? get_anon_bdev+0x2f0/0x2f0 [ 257.071584] ? sget+0x113/0x150 [ 257.074888] ? fuse_get_root_inode+0x190/0x190 [ 257.079490] mount_nodev+0x6b/0x110 [ 257.083141] fuse_mount+0x2c/0x40 [ 257.086622] mount_fs+0xae/0x328 [ 257.090024] vfs_kern_mount.part.34+0xd4/0x4d0 [ 257.094651] ? may_umount+0xb0/0xb0 [ 257.098305] ? _raw_read_unlock+0x22/0x30 [ 257.102569] ? __get_fs_type+0x97/0xc0 [ 257.106494] do_mount+0x564/0x3070 [ 257.110077] ? copy_mount_string+0x40/0x40 [ 257.114334] ? rcu_pm_notify+0xc0/0xc0 [ 257.118261] ? copy_mount_options+0x5f/0x380 [ 257.122693] ? rcu_read_lock_sched_held+0x108/0x120 [ 257.127738] ? kmem_cache_alloc_trace+0x616/0x780 [ 257.132611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.138176] ? _copy_from_user+0xdf/0x150 [ 257.142374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.147933] ? copy_mount_options+0x285/0x380 [ 257.152460] ksys_mount+0x12d/0x140 [ 257.156112] __x64_sys_mount+0xbe/0x150 [ 257.160110] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 257.165153] do_syscall_64+0x1b1/0x800 [ 257.169059] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 257.174097] ? syscall_return_slowpath+0x5c0/0x5c0 [ 257.179049] ? syscall_return_slowpath+0x30f/0x5c0 [ 257.184012] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 257.189389] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.194239] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 257.199420] RIP: 0033:0x455a09 [ 257.202610] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 257.210351] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 257.217624] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 257.224881] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 257.232149] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 257.239426] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:47 executing program 0 (fault-call:2 fault-nth:70): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:47 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:47 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x0, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:47 executing program 5: perf_event_open(&(0x7f0000000200)={0x0, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) alarm(0x2) 2018/05/17 15:02:47 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x0) 2018/05/17 15:02:47 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x3, 0x5621, 0x0, 0xfffffffffffffffc, 0x4, 0x0, 0x0, 0x0, 0x125e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000000002, 0x0, 0x2, 0x0, 0x2, 0x0, @perf_config_ext={0x6, 0xfff}, 0x0, 0x3, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r2, 0x0) 2018/05/17 15:02:47 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x2, 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, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x3ff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:47 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) signalfd(r0, &(0x7f0000000080)={0x3}, 0x8) 2018/05/17 15:02:47 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000dc0)="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", 0x2, 0x0) dup3(0xffffffffffffffff, r1, 0x0) socket$packet(0x11, 0x0, 0x300) [ 257.445558] FAT-fs (loop0): bogus number of reserved sectors [ 257.451519] FAT-fs (loop0): Can't find a valid FAT filesystem [ 257.493759] FAULT_INJECTION: forcing a failure. [ 257.493759] name failslab, interval 1, probability 0, space 0, times 0 [ 257.505222] CPU: 1 PID: 19585 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 257.512774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.522228] Call Trace: [ 257.524841] dump_stack+0x1b9/0x294 [ 257.528532] ? dump_stack_print_info.cold.2+0x52/0x52 [ 257.533747] ? perf_trace_lock_acquire+0xe3/0x980 [ 257.538632] should_fail.cold.4+0xa/0x1a 2018/05/17 15:02:47 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) alarm(0x2) 2018/05/17 15:02:47 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) clock_getres(0x7, &(0x7f0000000080)) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:47 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x400000, 0x0) setsockopt$ipx_IPX_TYPE(r2, 0x100, 0x1, &(0x7f0000000080)=0xc19b, 0x4) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000100)) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:47 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = accept4(0xffffffffffffff9c, 0x0, &(0x7f0000000080), 0x80800) setsockopt$inet6_MRT6_DEL_MFC_PROXY(r0, 0x29, 0xd3, &(0x7f0000000100)={{0xa, 0x4e21, 0x9, @loopback={0x0, 0x1}, 0x100000000}, {0xa, 0x4e21, 0x68, @loopback={0x0, 0x1}, 0x7}, 0x3, [0x8, 0x2, 0x1, 0x5, 0x7, 0x80000000, 0x9, 0x7]}, 0x5c) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 257.542725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.547863] ? save_stack+0xa9/0xd0 [ 257.551520] ? graph_lock+0x170/0x170 [ 257.555342] ? kasan_kmalloc+0xc4/0xe0 [ 257.559252] ? kmem_cache_alloc_trace+0x152/0x780 [ 257.564131] ? kobject_uevent_env+0x20f/0xea0 [ 257.568640] ? kobject_uevent+0x1f/0x30 [ 257.572636] ? device_create_groups_vargs+0x1ff/0x270 [ 257.577857] ? find_held_lock+0x36/0x1c0 [ 257.581956] ? __lock_is_held+0xb5/0x140 [ 257.586043] ? rpcrdma_prepare_send_sges+0x110/0x1450 2018/05/17 15:02:47 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x0, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:47 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x7fff) sendfile(r2, r4, &(0x7f0000d83ff8), 0x0) [ 257.591292] ? check_same_owner+0x320/0x320 [ 257.595639] ? do_raw_spin_unlock+0x9e/0x2e0 [ 257.600077] ? rcu_note_context_switch+0x710/0x710 [ 257.605048] __should_failslab+0x124/0x180 [ 257.609322] should_failslab+0x9/0x14 [ 257.613149] __kmalloc+0x2c8/0x760 [ 257.616719] ? kobject_uevent_env+0x20f/0xea0 [ 257.621243] ? rcu_read_lock_sched_held+0x108/0x120 [ 257.626294] ? kobject_get_path+0xc2/0x1a0 [ 257.630564] kobject_get_path+0xc2/0x1a0 [ 257.634671] kobject_uevent_env+0x234/0xea0 [ 257.639020] ? device_pm_add+0x221/0x340 [ 257.643123] kobject_uevent+0x1f/0x30 [ 257.646950] device_add+0xb01/0x16d0 [ 257.650701] ? device_private_init+0x230/0x230 [ 257.655311] ? kfree+0x1e9/0x260 [ 257.658707] ? kfree_const+0x5e/0x70 [ 257.662453] device_create_groups_vargs+0x1ff/0x270 [ 257.667503] device_create_vargs+0x46/0x60 [ 257.671772] bdi_register_va.part.10+0xbb/0x9b0 [ 257.676486] ? cgwb_kill+0x630/0x630 [ 257.680229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.685792] ? bdi_init+0x416/0x510 [ 257.689436] ? wb_init+0x9e0/0x9e0 2018/05/17 15:02:47 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) alarm(0x2) [ 257.692997] ? bdi_alloc_node+0x67/0xe0 [ 257.696990] ? bdi_alloc_node+0x67/0xe0 [ 257.700987] ? rcu_read_lock_sched_held+0x108/0x120 [ 257.706029] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 257.711337] ? _raw_spin_unlock+0x22/0x30 [ 257.715516] bdi_register_va+0x68/0x80 [ 257.719430] super_setup_bdi_name+0x123/0x220 [ 257.723946] ? kill_block_super+0x100/0x100 [ 257.728294] ? kmem_cache_alloc_trace+0x616/0x780 [ 257.733153] ? match_wildcard+0x3c0/0x3c0 [ 257.737326] ? trace_hardirqs_on+0xd/0x10 [ 257.741509] fuse_fill_super+0xe6e/0x1e20 [ 257.745697] ? fuse_get_root_inode+0x190/0x190 [ 257.750310] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 257.755356] ? kasan_check_read+0x11/0x20 [ 257.759529] ? cap_capable+0x1f9/0x260 [ 257.763447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.769002] ? security_capable+0x99/0xc0 [ 257.773180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.779093] ? ns_capable_common+0x13f/0x170 [ 257.783540] ? get_anon_bdev+0x2f0/0x2f0 [ 257.787620] ? sget+0x113/0x150 [ 257.790928] ? fuse_get_root_inode+0x190/0x190 [ 257.795536] mount_nodev+0x6b/0x110 [ 257.799202] fuse_mount+0x2c/0x40 [ 257.802688] mount_fs+0xae/0x328 [ 257.806090] vfs_kern_mount.part.34+0xd4/0x4d0 [ 257.810698] ? may_umount+0xb0/0xb0 [ 257.814372] ? _raw_read_unlock+0x22/0x30 [ 257.818542] ? __get_fs_type+0x97/0xc0 [ 257.822461] do_mount+0x564/0x3070 [ 257.826034] ? copy_mount_string+0x40/0x40 [ 257.830291] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.835337] ? retint_kernel+0x10/0x10 [ 257.839241] ? copy_mount_options+0x1a1/0x380 [ 257.843753] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 257.848597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.854148] ? copy_mount_options+0x285/0x380 [ 257.858649] ksys_mount+0x12d/0x140 [ 257.862281] __x64_sys_mount+0xbe/0x150 [ 257.866251] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 257.871278] do_syscall_64+0x1b1/0x800 [ 257.875159] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 257.880003] ? syscall_return_slowpath+0x5c0/0x5c0 [ 257.884940] ? syscall_return_slowpath+0x30f/0x5c0 [ 257.889874] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 257.895254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.900108] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 257.905293] RIP: 0033:0x455a09 [ 257.908475] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 257.916183] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 257.923446] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 257.930721] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 257.937987] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 257.945257] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:48 executing program 0 (fault-call:2 fault-nth:71): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:48 executing program 1: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='himitOin_bytes\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:48 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dspn(&(0x7f0000000100)='/dev/dsp#\x00', 0x7, 0x101000) getsockopt$netlink(r0, 0x10e, 0xb, &(0x7f0000000140)=""/84, &(0x7f00000001c0)=0x54) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r2 = syz_open_dev$mice(&(0x7f0000000080)='/dev/input/mice\x00', 0x0, 0x8400) ioctl$ASHMEM_PURGE_ALL_CACHES(r2, 0x770a, 0x0) 2018/05/17 15:02:48 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx\x00', 0x100, 0x0) ioctl$GIO_UNIMAP(r1, 0x4b66, &(0x7f0000000140)={0x7, &(0x7f0000000100)=[{}, {}, {}, {}, {}, {}, {}]}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000340)={r0, &(0x7f0000000300)="751b0ff55e5e4e614db3a2394800e1a033009f1c362bd9cc52c6c938ba35", &(0x7f0000000280)="1f4368e9c45c9c90c3ae734fb9b73f30a182c21b52d8453b081ee5d38681df519dc29ee3b0e5bbec2ae506d60fc4d6e1954013a17425183c1cb9f041434f5628e16093732d7a812ed2a10b8665400f017bc36ceced3ab5523f05c90fcec7150d8bc51358ae097f000000d30000000000000000"}, 0x20) 2018/05/17 15:02:48 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x0, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:48 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) alarm(0x2) 2018/05/17 15:02:48 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x0) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:48 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x8080, 0x0) ioctl$VHOST_VSOCK_SET_GUEST_CID(r2, 0x4008af60, &(0x7f00000000c0)={@hyper}) r3 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r3, 0x0) 2018/05/17 15:02:48 executing program 6: r0 = accept(0xffffffffffffff9c, &(0x7f00000000c0)=@ipx, &(0x7f0000000140)=0x80) accept$unix(r0, &(0x7f0000000180)=@abs, &(0x7f0000000280)=0x6e) r1 = dup(0xffffffffffffffff) setsockopt$IP_VS_SO_SET_DEL(r1, 0x0, 0x484, &(0x7f0000000040)={0x3f, @loopback=0x7f000001, 0x4e22, 0x2, 'dh\x00', 0x4, 0x0, 0x3c}, 0x2c) r2 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r4 = openat$cgroup_int(r3, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r2, r4, 0x0) [ 258.149575] FAT-fs (loop0): bogus number of reserved sectors [ 258.155511] FAT-fs (loop0): Can't find a valid FAT filesystem [ 258.193959] FAULT_INJECTION: forcing a failure. [ 258.193959] name failslab, interval 1, probability 0, space 0, times 0 [ 258.205462] CPU: 1 PID: 19648 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 258.212755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.222219] Call Trace: [ 258.224836] dump_stack+0x1b9/0x294 [ 258.228496] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.233712] ? perf_trace_lock_acquire+0xe3/0x980 [ 258.238596] should_fail.cold.4+0xa/0x1a 2018/05/17 15:02:48 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) alarm(0x0) 2018/05/17 15:02:48 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={r0, 0x2, 0x1, 0x336800000, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8}, 0x20) ioctl$EVIOCRMFF(r2, 0x40044581, &(0x7f0000000100)=0x1289) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:48 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$usbmon(&(0x7f0000000080)='/dev/usbmon#\x00', 0x699, 0x2002) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:48 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x0, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) [ 258.242685] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.247827] ? graph_lock+0x170/0x170 [ 258.251663] ? find_held_lock+0x36/0x1c0 [ 258.255757] ? __lock_is_held+0xb5/0x140 [ 258.259870] ? check_same_owner+0x320/0x320 [ 258.264212] ? device_create_groups_vargs+0x1ff/0x270 [ 258.269430] ? device_create_vargs+0x46/0x60 [ 258.273865] ? rcu_note_context_switch+0x710/0x710 [ 258.278817] ? mount_nodev+0x6b/0x110 [ 258.282642] ? mount_fs+0xae/0x328 [ 258.286215] __should_failslab+0x124/0x180 [ 258.290484] should_failslab+0x9/0x14 2018/05/17 15:02:48 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x0) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) [ 258.294309] kmem_cache_alloc+0x2af/0x760 [ 258.298510] skb_clone+0x1ed/0x4f0 [ 258.302079] ? refcount_add_not_zero+0x290/0x320 [ 258.306859] ? skb_split+0x11d0/0x11d0 [ 258.310768] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 258.315811] ? netlink_trim+0x1b2/0x370 [ 258.319813] ? netlink_skb_destructor+0x210/0x210 [ 258.324683] ? cleanup_uevent_env+0x40/0x40 [ 258.329046] netlink_broadcast_filtered+0x1024/0x1580 [ 258.334282] ? __netlink_sendskb+0xd0/0xd0 [ 258.338570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.344128] ? refcount_inc_not_zero+0x1dd/0x2d0 [ 258.348911] ? refcount_add_not_zero+0x320/0x320 [ 258.353703] ? cleanup_uevent_env+0x40/0x40 [ 258.358137] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 258.363185] kobject_uevent_env+0x6e4/0xea0 [ 258.367541] ? device_pm_add+0x221/0x340 [ 258.371638] kobject_uevent+0x1f/0x30 [ 258.375459] device_add+0xb01/0x16d0 [ 258.379204] ? device_private_init+0x230/0x230 [ 258.383811] ? kfree+0x1e9/0x260 [ 258.387201] ? kfree_const+0x5e/0x70 2018/05/17 15:02:48 executing program 5: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = fcntl$dupfd(r1, 0x506, r1) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000003c0)) r3 = getpgrp(0xffffffffffffffff) r4 = getpid() kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000340)={r2, r0, 0x6b8c}) r5 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt(r2, 0x6, 0x101, &(0x7f0000000400)=""/222, &(0x7f0000000500)=0xde) syz_read_part_table(0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000940)="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", 0x1fd, 0x3}]) clone(0x80000000, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) openat$cgroup_type(r1, &(0x7f0000000280)='cgroup.type\x00', 0x2, 0x0) pwritev(r5, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000300), &(0x7f0000000380)=0x4) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LIST(r6, 0xc0505510, &(0x7f0000000180)={0x0, 0x1, 0x7, 0x100000000, &(0x7f0000000140)=[{}]}) 2018/05/17 15:02:48 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1c0}], 0x1, 0x0) [ 258.390950] device_create_groups_vargs+0x1ff/0x270 [ 258.395999] device_create_vargs+0x46/0x60 [ 258.400351] bdi_register_va.part.10+0xbb/0x9b0 [ 258.405045] ? cgwb_kill+0x630/0x630 [ 258.408789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.414346] ? bdi_init+0x416/0x510 [ 258.417992] ? wb_init+0x9e0/0x9e0 [ 258.421557] ? bdi_alloc_node+0x67/0xe0 [ 258.425551] ? bdi_alloc_node+0x67/0xe0 [ 258.429546] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.434590] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 258.439892] ? _raw_spin_unlock+0x22/0x30 [ 258.444070] bdi_register_va+0x68/0x80 [ 258.447984] super_setup_bdi_name+0x123/0x220 [ 258.452499] ? kill_block_super+0x100/0x100 [ 258.456846] ? kmem_cache_alloc_trace+0x616/0x780 [ 258.461708] ? match_wildcard+0x3c0/0x3c0 [ 258.465876] ? trace_hardirqs_on+0xd/0x10 [ 258.470057] fuse_fill_super+0xe6e/0x1e20 [ 258.474249] ? fuse_get_root_inode+0x190/0x190 [ 258.478869] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 258.483914] ? kasan_check_read+0x11/0x20 [ 258.488091] ? cap_capable+0x1f9/0x260 [ 258.492133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.498042] ? security_capable+0x99/0xc0 [ 258.502227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.507787] ? ns_capable_common+0x13f/0x170 [ 258.512223] ? get_anon_bdev+0x2f0/0x2f0 [ 258.516302] ? sget+0x113/0x150 [ 258.519616] ? fuse_get_root_inode+0x190/0x190 [ 258.524227] mount_nodev+0x6b/0x110 [ 258.527879] fuse_mount+0x2c/0x40 [ 258.531354] mount_fs+0xae/0x328 [ 258.534747] vfs_kern_mount.part.34+0xd4/0x4d0 [ 258.539355] ? may_umount+0xb0/0xb0 [ 258.543004] ? _raw_read_unlock+0x22/0x30 [ 258.547166] ? __get_fs_type+0x97/0xc0 [ 258.551095] do_mount+0x564/0x3070 [ 258.554666] ? copy_mount_string+0x40/0x40 [ 258.558953] ? rcu_pm_notify+0xc0/0xc0 [ 258.562879] ? copy_mount_options+0x5f/0x380 [ 258.567295] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.572325] ? kmem_cache_alloc_trace+0x616/0x780 [ 258.577199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.582765] ? _copy_from_user+0xdf/0x150 [ 258.586945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.592503] ? copy_mount_options+0x285/0x380 [ 258.597012] ksys_mount+0x12d/0x140 [ 258.600665] __x64_sys_mount+0xbe/0x150 [ 258.604645] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 258.609672] do_syscall_64+0x1b1/0x800 [ 258.613564] ? finish_task_switch+0x1ca/0x840 [ 258.618079] ? syscall_return_slowpath+0x5c0/0x5c0 [ 258.623033] ? syscall_return_slowpath+0x30f/0x5c0 [ 258.627989] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 258.633362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.638210] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 258.643391] RIP: 0033:0x455a09 [ 258.646574] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 258.654275] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 258.661535] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 258.668795] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 258.676063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 258.683327] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 258.723988] Dev loop5: unable to read RDB block 1 [ 258.729098] loop5: unable to read partition table [ 258.741810] loop5: partition table beyond EOD, truncated [ 258.747436] loop_reread_partitions: partition scan of loop5 () failed (rc=-5) 2018/05/17 15:02:48 executing program 0 (fault-call:2 fault-nth:72): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:48 executing program 5: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = fcntl$dupfd(r1, 0x506, r1) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000003c0)) r3 = getpgrp(0xffffffffffffffff) r4 = getpid() kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000340)={r2, r0, 0x6b8c}) r5 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt(r2, 0x6, 0x101, &(0x7f0000000400)=""/222, &(0x7f0000000500)=0xde) syz_read_part_table(0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000940)="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", 0x1fd, 0x3}]) clone(0x80000000, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) openat$cgroup_type(r1, &(0x7f0000000280)='cgroup.type\x00', 0x2, 0x0) pwritev(r5, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000300), &(0x7f0000000380)=0x4) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LIST(r6, 0xc0505510, &(0x7f0000000180)={0x0, 0x1, 0x7, 0x100000000, &(0x7f0000000140)=[{}]}) 2018/05/17 15:02:48 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:48 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/net/pfkey\x00', 0x20000, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000b00)=@nat={'nat\x00', 0x19, 0x4, 0x518, [0x20000280, 0x0, 0x0, 0x20000488, 0x20000648], 0x0, &(0x7f0000000100), &(0x7f0000000280)=ANY=[@ANYBLOB="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"]}, 0x590) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:48 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x0) sendfile(r2, r4, &(0x7f0000d83ff8), 0x8000fffffffe) 2018/05/17 15:02:48 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x0, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:48 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$mouse(&(0x7f0000000040)='/dev/input/mouse#\x00', 0x4, 0x0) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffff9c, 0xc0106426, &(0x7f0000000100)={0x7, &(0x7f0000000080)=[{}, {}, {}, {}, {}, {}, {0x0}]}) ioctl$DRM_IOCTL_DMA(r0, 0xc0406429, &(0x7f0000000300)={r1, 0x4, &(0x7f0000000140)=[0xffffffffe952f3c3, 0x2e4000000, 0x8, 0x6], &(0x7f0000000180)=[0x0, 0xfff, 0x4, 0x7, 0x0, 0x4], 0x0, 0x1, 0x5, &(0x7f00000001c0)=[0x24e4], &(0x7f0000000280)=[0x4, 0x2, 0xfff, 0xfba, 0x100000000, 0x2, 0x3, 0x3, 0x9, 0xb]}) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x2400, 0x4) 2018/05/17 15:02:48 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x400000, 0x0) ioctl$DRM_IOCTL_SET_UNIQUE(r3, 0x40106410, &(0x7f00000000c0)={0x1000, &(0x7f0000000280)="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"}) dup3(r0, r2, 0x0) 2018/05/17 15:02:48 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = dup3(r0, r2, 0x0) setsockopt$inet6_group_source_req(r3, 0x29, 0x2b, &(0x7f00000000c0)={0x3ff, {{0xa, 0x4e20, 0x4, @dev={0xfe, 0x80, [], 0x10}, 0xfffffffffffffffa}}, {{0xa, 0x4e22, 0x1, @mcast2={0xff, 0x2, [], 0x1}, 0x2}}}, 0x108) [ 258.897754] FAT-fs (loop0): bogus number of reserved sectors [ 258.903706] FAT-fs (loop0): Can't find a valid FAT filesystem [ 258.951514] FAULT_INJECTION: forcing a failure. [ 258.951514] name failslab, interval 1, probability 0, space 0, times 0 [ 258.962869] CPU: 1 PID: 19692 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 258.970179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.979550] Call Trace: [ 258.982161] dump_stack+0x1b9/0x294 [ 258.985858] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.991071] ? perf_trace_lock_acquire+0xe3/0x980 [ 258.995965] should_fail.cold.4+0xa/0x1a 2018/05/17 15:02:48 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:48 executing program 1: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x80000, 0x0) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1a, &(0x7f0000000080)={0x0, 0x2e, "136241d0a6520d20303824fecaf687ab7ce1575d89f2c4a768d0044cb5acb6446d65df0fd4af3a4845e70972386f"}, &(0x7f0000000100)=0x36) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f0000000140)={r1, 0x7}, &(0x7f0000000180)=0x8) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgboup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:48 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0xfffffffffffffede, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:48 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x0, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) [ 259.000056] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.005195] ? __might_sleep+0x95/0x190 [ 259.009200] ? graph_lock+0x170/0x170 [ 259.013047] ? find_held_lock+0x36/0x1c0 [ 259.017145] ? __lock_is_held+0xb5/0x140 [ 259.021376] ? check_same_owner+0x320/0x320 [ 259.025733] ? rcu_note_context_switch+0x710/0x710 [ 259.030693] ? put_dec+0xf0/0xf0 [ 259.034082] ? format_decode+0x1a9/0xae0 [ 259.038180] __should_failslab+0x124/0x180 [ 259.042446] should_failslab+0x9/0x14 [ 259.046274] kmem_cache_alloc_node+0x272/0x780 2018/05/17 15:02:49 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x0) [ 259.050909] __alloc_skb+0x111/0x780 [ 259.054656] ? skb_scrub_packet+0x580/0x580 [ 259.059006] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 259.064245] ? netlink_has_listeners+0x2ff/0x4c0 [ 259.069031] ? netlink_tap_init_net+0x3c0/0x3c0 [ 259.073756] kobject_uevent_env+0x801/0xea0 [ 259.078105] ? device_pm_add+0x221/0x340 [ 259.082224] kobject_uevent+0x1f/0x30 [ 259.086066] device_add+0xb01/0x16d0 [ 259.089815] ? device_private_init+0x230/0x230 [ 259.094419] ? kfree+0x1e9/0x260 [ 259.097814] ? kfree_const+0x5e/0x70 [ 259.101561] device_create_groups_vargs+0x1ff/0x270 [ 259.106608] device_create_vargs+0x46/0x60 [ 259.110874] bdi_register_va.part.10+0xbb/0x9b0 [ 259.115568] ? cgwb_kill+0x630/0x630 [ 259.119308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.124864] ? bdi_init+0x416/0x510 [ 259.128509] ? wb_init+0x9e0/0x9e0 [ 259.132072] ? bdi_alloc_node+0x67/0xe0 [ 259.136067] ? bdi_alloc_node+0x67/0xe0 [ 259.140081] ? rcu_read_lock_sched_held+0x108/0x120 [ 259.145117] ? kmem_cache_alloc_node_trace+0x34e/0x770 2018/05/17 15:02:49 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) sync_file_range(r0, 0xd069, 0x577a, 0x5) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) close(r1) 2018/05/17 15:02:49 executing program 4: lstat(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x8, &(0x7f00000003c0)=[0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0, r1, 0xffffffffffffffff]) syz_fuse_mount(&(0x7f0000000000)='./file0\x00', 0x6000, r0, r2, 0x400, 0x100000) perf_event_open(&(0x7f0000000200)={0x5, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x4b306fe8, 0xffffffffffffffc0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) umount2(&(0x7f0000000400)='./file0\x00', 0x3) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r3, &(0x7f0000000100)="c385dfbf04af0147b79855169b40bd7de5da3c5e1cc18cfab941cf6ba21dbcf51f692f3a12424b281fbb20b67a4d7f08e76f4d5ea44e6f5fff196ab25bbcda8c76d38049b957ba00000000000000000000", &(0x7f0000000280)="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"}, 0x20) [ 259.150419] ? _raw_spin_unlock+0x22/0x30 [ 259.154595] bdi_register_va+0x68/0x80 [ 259.158500] super_setup_bdi_name+0x123/0x220 [ 259.163014] ? kill_block_super+0x100/0x100 [ 259.167360] ? kmem_cache_alloc_trace+0x616/0x780 [ 259.172224] ? match_wildcard+0x3c0/0x3c0 [ 259.176395] ? trace_hardirqs_on+0xd/0x10 [ 259.180581] fuse_fill_super+0xe6e/0x1e20 [ 259.184769] ? fuse_get_root_inode+0x190/0x190 [ 259.189379] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 259.194425] ? kasan_check_read+0x11/0x20 [ 259.198603] ? cap_capable+0x1f9/0x260 [ 259.202554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.208112] ? security_capable+0x99/0xc0 [ 259.212315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.217875] ? ns_capable_common+0x13f/0x170 [ 259.222305] ? get_anon_bdev+0x2f0/0x2f0 [ 259.226384] ? sget+0x113/0x150 [ 259.229689] ? fuse_get_root_inode+0x190/0x190 [ 259.234292] mount_nodev+0x6b/0x110 [ 259.237942] fuse_mount+0x2c/0x40 [ 259.241417] mount_fs+0xae/0x328 [ 259.244815] vfs_kern_mount.part.34+0xd4/0x4d0 [ 259.249424] ? may_umount+0xb0/0xb0 [ 259.253076] ? _raw_read_unlock+0x22/0x30 [ 259.257245] ? __get_fs_type+0x97/0xc0 [ 259.261165] do_mount+0x564/0x3070 [ 259.264726] ? do_raw_spin_unlock+0x9e/0x2e0 [ 259.269169] ? copy_mount_string+0x40/0x40 [ 259.273419] ? rcu_pm_notify+0xc0/0xc0 [ 259.277351] ? copy_mount_options+0x5f/0x380 [ 259.281776] ? rcu_read_lock_sched_held+0x108/0x120 [ 259.286810] ? kmem_cache_alloc_trace+0x616/0x780 [ 259.291843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.297407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.303052] ? copy_mount_options+0x285/0x380 [ 259.307579] ksys_mount+0x12d/0x140 [ 259.311235] __x64_sys_mount+0xbe/0x150 [ 259.315226] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 259.320272] do_syscall_64+0x1b1/0x800 [ 259.324182] ? finish_task_switch+0x1ca/0x840 [ 259.328701] ? syscall_return_slowpath+0x5c0/0x5c0 [ 259.333652] ? syscall_return_slowpath+0x30f/0x5c0 [ 259.338606] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 259.344001] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.348862] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 259.354051] RIP: 0033:0x455a09 [ 259.357230] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 259.364942] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 259.372201] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 259.379458] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 259.386726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 259.394082] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 259.418368] Dev loop5: unable to read RDB block 1 [ 259.423386] loop5: unable to read partition table [ 259.435142] loop5: partition table beyond EOD, truncated [ 259.440745] loop_reread_partitions: partition scan of loop5 () failed (rc=-5) 2018/05/17 15:02:49 executing program 0 (fault-call:2 fault-nth:73): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:49 executing program 1: r0 = getpid() perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, r0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f0000000180)='0', 0x1}], 0x1, 0x1) r3 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x6, 0x220a00) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f0000000140)={'bcsf0\x00', &(0x7f0000000100)=@ethtool_sset_info={0x37, 0x2, 0x7, [0x7, 0x80, 0x8, 0x8d17, 0x8]}}) 2018/05/17 15:02:49 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:49 executing program 7: r0 = syz_open_dev$sndmidi(&(0x7f00000001c0)='/dev/snd/midiC#D#\x00', 0x7, 0x180) ioctl$KVM_SET_VCPU_EVENTS(r0, 0x4040aea0, &(0x7f0000000100)={0xfffffffffffffff7, 0x4, 0x4, 0x0, 0x4990, 0x0, 0xff, 0x8000, 0xffffffffffffffff, 0x20, 0xb21, 0xdfe, 0x0, 0x9, 0x2, 0xffff, 0x6, 0x2, 0x80}) fcntl$getownex(r0, 0x10, &(0x7f0000000180)={0x0, 0x0}) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x2000}, r1, 0x0, 0xffffffffffffffff, 0x1) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000080)={0xf, 0x8, 0x800000000000007, 0x5, 0x1}, 0x2c) write$fuse(r0, &(0x7f00000000c0)={0x30, 0x1, 0x2, @fuse_notify_retrieve_out={0x7, 0x7, 0x0, 0x2}}, 0x30) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0xfffffffffffffe44) ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f0000000040)=@get={0x1, &(0x7f00000002c0)=""/6, 0x7ff}) 2018/05/17 15:02:49 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x200000000, @loopback={0x0, 0x1}}, 0x1c) ftruncate(0xffffffffffffffff, 0x0) 2018/05/17 15:02:49 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000080)) 2018/05/17 15:02:49 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)="2e2f6367d9c6e67ec78261b400", 0x200002, 0x0) r2 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x3, 0x40) bind$alg(r2, &(0x7f0000000140)={0x26, 'hash\x00', 0x0, 0x0, 'sm3-generic\x00'}, 0x58) signalfd(r1, &(0x7f00000000c0)={0x5}, 0x8) r3 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r3, 0x0) 2018/05/17 15:02:49 executing program 5: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = fcntl$dupfd(r1, 0x506, r1) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000003c0)) r3 = getpgrp(0xffffffffffffffff) r4 = getpid() kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000340)={r2, r0, 0x6b8c}) r5 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt(r2, 0x6, 0x101, &(0x7f0000000400)=""/222, &(0x7f0000000500)=0xde) syz_read_part_table(0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000940)="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", 0x1fd, 0x3}]) clone(0x80000000, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) openat$cgroup_type(r1, &(0x7f0000000280)='cgroup.type\x00', 0x2, 0x0) pwritev(r5, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000300), &(0x7f0000000380)=0x4) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LIST(r6, 0xc0505510, &(0x7f0000000180)={0x0, 0x1, 0x7, 0x100000000, &(0x7f0000000140)=[{}]}) [ 259.582431] FAT-fs (loop0): bogus number of reserved sectors [ 259.588371] FAT-fs (loop0): Can't find a valid FAT filesystem [ 259.619596] FAULT_INJECTION: forcing a failure. [ 259.619596] name failslab, interval 1, probability 0, space 0, times 0 [ 259.631376] CPU: 1 PID: 19733 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 259.638669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.648039] Call Trace: [ 259.650652] dump_stack+0x1b9/0x294 [ 259.654311] ? dump_stack_print_info.cold.2+0x52/0x52 [ 259.659519] ? perf_trace_lock_acquire+0xe3/0x980 [ 259.664404] should_fail.cold.4+0xa/0x1a [ 259.668495] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.673622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.679191] ? graph_lock+0x170/0x170 2018/05/17 15:02:49 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fgetxattr(r0, &(0x7f0000000040)=@random={'osx.', './cgroup.cpu\x00'}, &(0x7f0000000080)=""/27, 0x1b) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:49 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000100)={0x28, 0x0, 0x2710, @my=0x0}, 0x10, 0x80000) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:49 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) fstat(r0, &(0x7f0000000100)) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x2, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcs\x00', 0x549800, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000180)={0x56, 0x3, 0x9, {0x101, 0xffffffff80000001}, {0x1, 0x7}, @const={0x1000, {0x1, 0x9, 0x100, 0x7b}}}) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0xfffffffffffffffc, 0x5, 0x1}, 0xc) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:49 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) [ 259.683014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.688625] ? find_held_lock+0x36/0x1c0 [ 259.692720] ? __lock_is_held+0xb5/0x140 [ 259.696864] ? check_same_owner+0x320/0x320 [ 259.702251] ? print_usage_bug+0xc0/0xc0 [ 259.706347] ? rcu_note_context_switch+0x710/0x710 [ 259.711314] __should_failslab+0x124/0x180 [ 259.715581] should_failslab+0x9/0x14 [ 259.719406] kmem_cache_alloc+0x2af/0x760 [ 259.723576] ? zap_class+0x720/0x720 [ 259.727335] __d_alloc+0xc0/0xd30 2018/05/17 15:02:49 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={0x0, 0x5}, 0x8) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x0) [ 259.730817] ? __lock_acquire+0x7f5/0x5140 [ 259.735079] ? shrink_dcache_for_umount+0x290/0x290 [ 259.740131] ? perf_trace_run_bpf_submit+0x246/0x370 [ 259.745270] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 259.750398] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 259.755526] ? perf_trace_run_bpf_submit+0x246/0x370 [ 259.760687] ? perf_tp_event+0xc30/0xc30 [ 259.764789] ? memset+0x31/0x40 [ 259.768099] d_alloc+0x8e/0x370 [ 259.771407] ? __d_alloc+0xd30/0xd30 [ 259.775164] ? zap_class+0x720/0x720 [ 259.778913] d_alloc_parallel+0x152/0x1e80 [ 259.783173] ? graph_lock+0x170/0x170 [ 259.786998] ? memset+0x31/0x40 [ 259.790310] ? __d_lookup_rcu+0xa80/0xa80 [ 259.794653] ? print_usage_bug+0xc0/0xc0 [ 259.798729] ? find_held_lock+0x36/0x1c0 [ 259.802828] ? lock_downgrade+0x8e0/0x8e0 [ 259.807008] ? mark_held_locks+0xc9/0x160 [ 259.811177] ? __raw_spin_lock_init+0x1c/0x100 [ 259.815783] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 259.820820] ? __lockdep_init_map+0x105/0x590 [ 259.825346] ? __lockdep_init_map+0x105/0x590 2018/05/17 15:02:49 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='mo%v\x00\x00\x00\x00\x00\x00') r2 = getpid() ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r1, 0xc1105518, &(0x7f0000000300)={{0xe8, 0x0, 0x1, 0xfff, "8192d0ad9ad9aefd44180e41e03617c4a469085db1d449aa4f373dee3af60ee19c68c4b02b10d7b29eaa1e9b", 0xf9e1}, 0x0, 0x0, 0x9, r2, 0xb7, 0x3, "65b947107c8b159cb6cef52fe61a6cf163b4a7f0dd389e9949fbc6efd86304d4ca28598be9f883be5207c77ccfa4dfb34a8ff4d51d68843859cdc179d82756ce", &(0x7f0000000180)='\x00', 0x1, [], [0x3f, 0x800, 0x7fff, 0x800]}) ioctl$KVM_TPR_ACCESS_REPORTING(r1, 0xc028ae92, &(0x7f0000000080)={0x0, 0x80}) r3 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000140)=0xc) prctl$setptracer(0x59616d61, r4) timer_create(0x7, &(0x7f0000000280)={0x0, 0x32, 0x0, @thr={&(0x7f00000001c0)="56d5128cab967d58d189735d91690f4a20a69720a83d0acdefaac6bc389397ad630c26f5926051bac14df2e3", &(0x7f0000000440)="7abe4362da721e34bf34d3acd4daf674b7a861ff846b4533b13f93ffc5a899a22ca95145d706abd90404e26adb885c3bb9317db95e7ec022391dd57f1b6faf6a50c83ff02ada673a2551129b00049ea683a1b075215c31a28805e9e112f75d587b08c3c2883de746abea546f8e26fe6eff45946af0fa860c9ebfb296169f305d4ca0324c818358b6e29e3adb4863dd79e375660cf9a83f45b016757408a3ea14358506c94623f089d513876da6c864bb12b72c5ba36a5a906267b3cec7720d75"}}, &(0x7f0000000500)=0x0) timer_settime(r5, 0x0, &(0x7f0000000540)={{}, {0x0, 0x1c9c380}}, 0x0) pwritev(r3, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:49 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xe, 0x7f, 0x7, 0x5, 0x1}, 0x2c) syz_mount_image$xfs(&(0x7f0000000080)='xfs\x00', &(0x7f0000000100)='./file0\x00', 0x1f, 0x4, &(0x7f0000001340)=[{&(0x7f0000000140)="93", 0x1, 0x10001}, {&(0x7f0000000280)="4bcfc9e43a912a9eb39d68227d9c005d7550a0ee2e952cefef5a1a854e3d4ae095e62e8f6465850bd69f6df51550e95aa048d33bdd705c13d83fc8121d8cf4e7c6b454f4e12f5ca87edcbb9b548ff65031914b635f0477ac138428ed46ab060192aa91ea024586c9900a3b8f9cc3e989ac6115c722cdb8936109ba148e9eb22d5a25c0de879dd99cef9e271244fbb7e789e9ce4f9c664d4fb5b4ea4a98b02d3de6d76bb3f111089ada1d5ebbc67272de517832654fe9a5d688f53f", 0xbb, 0xfffffffffffffffa}, {&(0x7f0000000180)="250199a44f1bc28d997961a770d2686ed73816ee34a35a1398069413689a1c78404a3483bde1b186926ae28d8f660b7ff5b8adc27ad0d853064d2f621c720efec9b6cd6a5991ad73c9f0e824f857d5fa", 0x50, 0x80}, {&(0x7f0000000340)="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", 0x1000}], 0x40000, &(0x7f00000013c0)={'nouuid,', {[{@noattr2='noattr2', 0x2c}]}}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000001400)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0xffffffffffffff59) [ 259.829863] ? lockdep_init_map+0x9/0x10 [ 259.834031] ? __init_waitqueue_head+0x96/0x140 [ 259.838720] ? init_wait_entry+0x1b0/0x1b0 [ 259.842973] ? d_alloc_parallel+0x1e80/0x1e80 [ 259.847486] ? lock_release+0xa10/0xa10 [ 259.851745] __lookup_slow+0x1e6/0x540 [ 259.855652] ? vfs_unlink+0x510/0x510 [ 259.859513] ? d_lookup+0x219/0x330 [ 259.863202] lookup_one_len+0x1c7/0x210 [ 259.867201] ? lookup_one_len_unlocked+0xf0/0xf0 [ 259.871992] ? down_write+0x87/0x120 [ 259.875731] ? start_creating+0xb1/0x200 [ 259.879814] ? down_read+0x1b0/0x1b0 [ 259.883547] ? mntput+0x74/0xa0 [ 259.886851] ? simple_pin_fs+0xa4/0x190 [ 259.890945] start_creating+0xc6/0x200 [ 259.894859] __debugfs_create_file+0x63/0x400 [ 259.899384] debugfs_create_file+0x57/0x70 [ 259.903645] bdi_register_va.part.10+0x365/0x9b0 [ 259.908427] ? cgwb_kill+0x630/0x630 [ 259.912163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.917728] ? bdi_init+0x416/0x510 [ 259.921372] ? wb_init+0x9e0/0x9e0 [ 259.924944] ? bdi_alloc_node+0x67/0xe0 [ 259.928933] ? bdi_alloc_node+0x67/0xe0 [ 259.932926] ? rcu_read_lock_sched_held+0x108/0x120 [ 259.937967] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 259.943273] ? _raw_spin_unlock+0x22/0x30 [ 259.947449] bdi_register_va+0x68/0x80 [ 259.951360] super_setup_bdi_name+0x123/0x220 [ 259.955873] ? kill_block_super+0x100/0x100 [ 259.960216] ? kmem_cache_alloc_trace+0x616/0x780 [ 259.965077] ? match_wildcard+0x3c0/0x3c0 [ 259.970467] ? trace_hardirqs_on+0xd/0x10 [ 259.974648] fuse_fill_super+0xe6e/0x1e20 [ 259.978829] ? fuse_get_root_inode+0x190/0x190 [ 259.983437] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 259.988481] ? kasan_check_read+0x11/0x20 [ 259.992656] ? cap_capable+0x1f9/0x260 [ 259.996573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.002129] ? security_capable+0x99/0xc0 [ 260.006300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.011852] ? ns_capable_common+0x13f/0x170 [ 260.016283] ? get_anon_bdev+0x2f0/0x2f0 [ 260.020453] ? sget+0x113/0x150 [ 260.023753] ? fuse_get_root_inode+0x190/0x190 [ 260.028353] mount_nodev+0x6b/0x110 [ 260.032000] fuse_mount+0x2c/0x40 [ 260.035472] mount_fs+0xae/0x328 [ 260.038865] vfs_kern_mount.part.34+0xd4/0x4d0 [ 260.043467] ? may_umount+0xb0/0xb0 [ 260.047114] ? _raw_read_unlock+0x22/0x30 [ 260.051275] ? __get_fs_type+0x97/0xc0 [ 260.055193] do_mount+0x564/0x3070 [ 260.058849] ? copy_mount_string+0x40/0x40 [ 260.063106] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.067890] ? retint_kernel+0x10/0x10 [ 260.071811] ? copy_mount_options+0x1a1/0x380 [ 260.076325] ? __sanitizer_cov_trace_pc+0x38/0x50 [ 260.081189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.086741] ? copy_mount_options+0x285/0x380 [ 260.091262] ksys_mount+0x12d/0x140 [ 260.094997] __x64_sys_mount+0xbe/0x150 [ 260.098985] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 260.104040] do_syscall_64+0x1b1/0x800 [ 260.107944] ? finish_task_switch+0x1ca/0x840 [ 260.112467] ? syscall_return_slowpath+0x5c0/0x5c0 [ 260.117421] ? syscall_return_slowpath+0x30f/0x5c0 [ 260.122376] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 260.127767] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/05/17 15:02:50 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x101}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = getpid() r1 = syz_open_procfs(r0, &(0x7f0000000580)='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') syz_open_dev$evdev(&(0x7f0000000400)='/dev/input/event#\x00', 0xf6, 0x100) r2 = openat(r1, &(0x7f0000000080)='./file0\x00', 0x420800, 0x40) epoll_wait(r2, &(0x7f0000000480)=[{}, {}, {}], 0x3, 0x81) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x2, 0x1000001, 0x5, 0x0, r1, 0x81}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000002c0)={r1, &(0x7f0000000100)="afc0016e72cdad7006ff5986d8a0f35acc51af9f05ae1077e16dae416b3578463b89971bdead35572db9842118227dcd26a7a20c425ebaf7ae7494407ae3c0e77683775c87f95c6906e1900db3165128dd78f9768139c4efa08800a448a601f7d5a5e55c2675fba83f6635187ae01a931d723c6ab6f7be7a2a814188d75895ce840edc4a3f3c8372cc222b4773178af62aed46de7c996de940e7710820c76f591812335048580782011de1d5c04737896d41b4a6c36087c2c00fb655d117ba2d6509d17195665152bfce4af6afd9f4e2314cf36259f1064d330f1577d413901321dfac761ec53deb5783b8fd086f504aebfa7085bd", &(0x7f0000000280)=']', 0x3}, 0x20) fstatfs(r1, &(0x7f0000000300)=""/242) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r3, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) fsync(r1) [ 260.132639] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 260.137838] RIP: 0033:0x455a09 [ 260.141038] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 260.148773] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 260.156053] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 260.163337] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 260.170617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 260.177899] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 260.211189] Dev loop5: unable to read RDB block 1 [ 260.216169] loop5: unable to read partition table [ 260.254243] loop5: partition table beyond EOD, truncated [ 260.259907] loop_reread_partitions: partition scan of loop5 () failed (rc=-5) 2018/05/17 15:02:50 executing program 0 (fault-call:2 fault-nth:74): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:50 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x8000, 0x200000) ioctl$KDSKBSENT(r2, 0x4b49, &(0x7f0000000300)="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") pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:50 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) ioctl$EVIOCGNAME(r0, 0x80404506, &(0x7f0000000100)=""/90) 2018/05/17 15:02:50 executing program 5: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = fcntl$dupfd(r1, 0x506, r1) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000003c0)) r3 = getpgrp(0xffffffffffffffff) r4 = getpid() kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000340)={r2, r0, 0x6b8c}) r5 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt(r2, 0x6, 0x101, &(0x7f0000000400)=""/222, &(0x7f0000000500)=0xde) syz_read_part_table(0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000940)="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", 0x1fd, 0x3}]) clone(0x80000000, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) openat$cgroup_type(r1, &(0x7f0000000280)='cgroup.type\x00', 0x2, 0x0) pwritev(r5, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000300), &(0x7f0000000380)=0x4) openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x0, 0x0) 2018/05/17 15:02:50 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000300)='/dev/rfkill\x00', 0xfffffffffffffffc, 0x0) setsockopt$ax25_buf(r0, 0x101, 0x0, &(0x7f0000000400)="e244b573c8f3d79c0e816c36f51fc11216702d5e8bfe742792baf00471914c7e2115a175c813b099d9813413d229375aefa61b0ee670b9ce8271a8784014a909f6138f4ffd23b55c7403b7aa21913bb1655adb7943c0d700f166c92594b4693d3932794db11e4e6c983f13a8b07908f2e7a5095cda4e0a915cbd1958282b314a8e5935787bde21bfe5006dd6c70e5b8edce66a15a99c0d17054927e5132ca279f3d9e774460fd464c44358e179c3f319", 0xb0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000140)=0x14) setsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000180)={r1, @rand_addr=0x1, @multicast1=0xe0000001}, 0xc) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000340)="a96f51ce3f47cee345b30f52a04f20a64a14071baaf8ca8397d8a0520f4b33e5453d9ba67959082bf2c80403ea2da9bab1d8225001210b732d5eb8a6737a8cfb01c3938d4d551a8d6500c739d29a7a4353a489349479b04532656418c1f26fd67d0714e54027d10d96d4508c2ca1405b804ffcf3728cb6bc7e02710d97e1358000c4f5320b0c9810d59664ecb022cb099bbc8122f20314dbf5d5fc21bca23b4d1bb9ca9a6d06e6fea1e35758cfa546620ceb", &(0x7f0000000300)}, 0x20) bind$ax25(r0, &(0x7f0000000080)={0x3, {"0ec03476c1cec3"}, 0x7dbb}, 0x10) 2018/05/17 15:02:50 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r2 = openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x880, 0x0) ioctl$SG_GET_SCSI_ID(r1, 0x2276, &(0x7f0000000340)) getsockopt(r2, 0x10001, 0x2, &(0x7f00000000c0)=""/230, &(0x7f00000001c0)=0xe6) r3 = dup3(r0, r1, 0x0) ioctl$SG_EMULATED_HOST(r3, 0x2203, &(0x7f00000002c0)) 2018/05/17 15:02:50 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000002c0)=0xe64, 0x4) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x0) 2018/05/17 15:02:50 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) [ 260.415738] FAT-fs (loop0): bogus number of reserved sectors [ 260.421661] FAT-fs (loop0): Can't find a valid FAT filesystem [ 260.461879] FAULT_INJECTION: forcing a failure. [ 260.461879] name failslab, interval 1, probability 0, space 0, times 0 [ 260.473395] CPU: 1 PID: 19780 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 260.480685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.490054] Call Trace: [ 260.492672] dump_stack+0x1b9/0x294 [ 260.496329] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.501539] ? perf_trace_lock_acquire+0xe3/0x980 [ 260.506422] should_fail.cold.4+0xa/0x1a 2018/05/17 15:02:50 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) sendto(r0, &(0x7f0000000280)="bf68850aa708216d742fe424ea6d33bc2c42758db3429d94d9c24e0b9d952a752f04ed469014828a1a324d0b3184528888e32e6f61c2c87b2ed3c78aa4121d72487a70f559000eeadacf834d8af5725d8d7fca14fcb841aa9011c97118cec49176b566aa0ff5f2facaff71c553a96c28acf10fe5b4369fa0cf502efc6fd5a81cb8495d62ed26ddaae8b2d311abec093aab3fff4590ee7c5b56b80c020d41f78aab3f3d51988d1e60f7bdacb1", 0xac, 0x880, 0x0, 0x0) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) fcntl$getownex(r0, 0x10, &(0x7f0000000180)={0x0, 0x0}) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x1, 0x5, 0xf99e, 0x49f, 0x0, 0x10001, 0x2, 0x1, 0x100000000, 0x5, 0xe8, 0x0, 0x5, 0x6, 0x8001, 0x21c46a78, 0x0, 0x1, 0x1000, 0x1, 0x7, 0x35, 0x2, 0x8000, 0x4, 0x8001, 0x200, 0x7, 0x61, 0x8000, 0x8, 0x6, 0x2, 0x80000000, 0x80, 0x7ee076e3, 0x0, 0x2, 0x0, @perf_bp={&(0x7f0000000080), 0x4}, 0x1000, 0xfffffffffffffff9, 0x1, 0x3f773cea51f9885a, 0x10000, 0x0, 0x8000}, r2, 0xd, r0, 0xa) 2018/05/17 15:02:50 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) socket$pppoe(0x18, 0x1, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0xe7}], 0x1, 0x0) syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x8000, 0x1) 2018/05/17 15:02:50 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x2, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000100)={0xb, 0x82, 0x7, 0x5, 0x1, r0}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:50 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={0xffffffffffffffff, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) [ 260.510597] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.515743] ? graph_lock+0x170/0x170 [ 260.519581] ? find_held_lock+0x36/0x1c0 [ 260.523680] ? __lock_is_held+0xb5/0x140 [ 260.527761] ? ci_dpm_enable+0x7c50/0x10770 [ 260.532145] ? check_same_owner+0x320/0x320 [ 260.536487] ? device_create_groups_vargs+0x1ff/0x270 [ 260.541711] ? device_create_vargs+0x46/0x60 [ 260.546147] ? rcu_note_context_switch+0x710/0x710 [ 260.551107] ? mount_nodev+0x6b/0x110 [ 260.554930] ? mount_fs+0xae/0x328 2018/05/17 15:02:50 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) r4 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x0) [ 260.558499] __should_failslab+0x124/0x180 [ 260.562768] should_failslab+0x9/0x14 [ 260.566592] kmem_cache_alloc+0x2af/0x760 [ 260.570790] skb_clone+0x1ed/0x4f0 [ 260.574358] ? refcount_add_not_zero+0x290/0x320 [ 260.579141] ? skb_split+0x11d0/0x11d0 [ 260.583052] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 260.588105] ? netlink_trim+0x1b2/0x370 [ 260.592115] ? netlink_skb_destructor+0x210/0x210 [ 260.596997] ? cleanup_uevent_env+0x40/0x40 [ 260.601359] netlink_broadcast_filtered+0x1024/0x1580 [ 260.606593] ? __netlink_sendskb+0xd0/0xd0 2018/05/17 15:02:50 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x10000000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc0\x00', 0x2000, 0x0) setsockopt$inet6_tcp_TLS_TX(r2, 0x6, 0x1, &(0x7f0000000100)={0x303, 0x33}, 0x4) openat$cgroup_int(r2, &(0x7f0000000140)='hugetlb.2MB.failcnt\x00', 0x2, 0x0) r3 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) mknod(&(0x7f0000000480)='./file0\x00', 0xa000, 0x6c5e) r4 = dup3(r0, r3, 0x0) ioctl$KVM_SET_IRQCHIP(r2, 0x8208ae63, &(0x7f0000000380)=@pic={0x83ae, 0x800, 0x1, 0x0, 0x69df, 0x8, 0x2, 0x50, 0x6, 0x7, 0x8000, 0xfff, 0xff, 0x1000, 0x56d3, 0x7ff}) fadvise64(r1, 0x0, 0x5, 0x1) sendfile(r3, r3, &(0x7f00000000c0), 0x5) accept4$bt_l2cap(r4, &(0x7f0000000180), &(0x7f00000001c0)=0xe, 0x80000) ioctl$sock_inet_SIOCDELRT(r2, 0x890c, &(0x7f00000004c0)={0x1f, {0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}, {0x2, 0x90b9, @rand_addr=0x6}, {0x2, 0x4e22, @multicast2=0xe0000002}, 0x58, 0x6, 0x5, 0x2, 0x4, 0x0, 0x5, 0x7, 0x100000001}) ioctl$EVIOCGMTSLOTS(r4, 0x8040450a, &(0x7f0000000280)=""/244) [ 260.610880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.616446] ? refcount_inc_not_zero+0x1dd/0x2d0 [ 260.621230] ? refcount_add_not_zero+0x320/0x320 [ 260.626033] ? cleanup_uevent_env+0x40/0x40 [ 260.630559] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 260.635606] kobject_uevent_env+0x6e4/0xea0 [ 260.639949] ? device_pm_add+0x221/0x340 [ 260.644053] kobject_uevent+0x1f/0x30 [ 260.647870] device_add+0xb01/0x16d0 [ 260.651610] ? device_private_init+0x230/0x230 [ 260.656205] ? kfree+0x1e9/0x260 [ 260.659600] ? kfree_const+0x5e/0x70 [ 260.663346] device_create_groups_vargs+0x1ff/0x270 [ 260.668394] device_create_vargs+0x46/0x60 [ 260.672658] bdi_register_va.part.10+0xbb/0x9b0 [ 260.677349] ? cgwb_kill+0x630/0x630 [ 260.681092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.686643] ? bdi_init+0x416/0x510 [ 260.690286] ? wb_init+0x9e0/0x9e0 [ 260.693851] ? bdi_alloc_node+0x67/0xe0 [ 260.697849] ? bdi_alloc_node+0x67/0xe0 [ 260.701845] ? rcu_read_lock_sched_held+0x108/0x120 [ 260.706881] ? kmem_cache_alloc_node_trace+0x34e/0x770 2018/05/17 15:02:50 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000080)='/dev/uinput\x00', 0x80000, 0x0) write$binfmt_elf32(r0, &(0x7f0000000280)={{0x7f, 0x45, 0x4c, 0x46, 0x9, 0x9, 0x2fc80000000, 0x0, 0x5, 0x3, 0x3e, 0x8, 0xb, 0x38, 0x121, 0x8, 0x5, 0x20, 0x2, 0x4, 0x1ff, 0x9}, [{0x4, 0x6, 0xd0, 0x400, 0x4, 0x2, 0x3, 0x827c}, {0x60000000, 0x4e68, 0x1, 0x5, 0x7, 0x8, 0x2, 0x34}], "b05a5bfb0cd830137f2548bb5fcf3a25ceb1a03cdda9cc6f0134803caac1890bc5cedc9ece00332852779641eb939cfe04cc62108931397ccad682d75b707a2fa26ce0c37862a815555c6944f2d52876177976beb0989387f4f9f796f53b6143bd5baa34b394491e56ccaa3701a62cfd784917f258e251cbfacac968c52324f74858047b26f4497f27a862", [[], [], [], []]}, 0x503) bpf$MAP_CREATE(0x0, &(0x7f0000000100)={0xe, 0x80000000, 0x7, 0x6, 0x30, r1}, 0x2c) getpeername$netlink(r1, &(0x7f0000000140), &(0x7f0000000180)=0xc) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:50 executing program 1: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x404000, 0x0) getpeername$unix(r0, &(0x7f0000000100)=@abs, &(0x7f0000000080)=0x6e) getsockopt$inet_int(r0, 0x0, 0xe, &(0x7f0000000180), &(0x7f00000001c0)=0x4) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000280), &(0x7f0000000540)=0x4) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) setsockopt$inet_MCAST_MSFILTER(r0, 0x0, 0x30, &(0x7f0000000300)={0x10000, {{0x2, 0x4e24, @multicast1=0xe0000001}}, 0x1, 0x3, [{{0x2, 0x4e20, @rand_addr=0x1}}, {{0x2, 0x4e22, @multicast2=0xe0000002}}, {{0x2, 0x4e20, @loopback=0x7f000001}}]}, 0x210) [ 260.712189] ? _raw_spin_unlock+0x22/0x30 [ 260.716367] bdi_register_va+0x68/0x80 [ 260.720280] super_setup_bdi_name+0x123/0x220 [ 260.724798] ? kill_block_super+0x100/0x100 [ 260.729147] ? kmem_cache_alloc_trace+0x616/0x780 [ 260.734007] ? match_wildcard+0x3c0/0x3c0 [ 260.738199] fuse_fill_super+0xe6e/0x1e20 [ 260.742403] ? fuse_get_root_inode+0x190/0x190 [ 260.747015] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 260.752093] ? kasan_check_read+0x11/0x20 [ 260.756269] ? cap_capable+0x1f9/0x260 [ 260.760193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.766346] ? security_capable+0x99/0xc0 [ 260.770536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.776094] ? ns_capable_common+0x13f/0x170 [ 260.780529] ? get_anon_bdev+0x2f0/0x2f0 [ 260.784620] ? sget+0x113/0x150 [ 260.787924] ? fuse_get_root_inode+0x190/0x190 [ 260.792530] mount_nodev+0x6b/0x110 [ 260.796175] fuse_mount+0x2c/0x40 [ 260.799651] mount_fs+0xae/0x328 [ 260.803054] vfs_kern_mount.part.34+0xd4/0x4d0 [ 260.807667] ? may_umount+0xb0/0xb0 [ 260.811316] ? _raw_read_unlock+0x22/0x30 [ 260.815480] ? __get_fs_type+0x97/0xc0 [ 260.819399] do_mount+0x564/0x3070 [ 260.822961] ? do_raw_spin_unlock+0x9e/0x2e0 [ 260.827395] ? copy_mount_string+0x40/0x40 [ 260.831650] ? rcu_pm_notify+0xc0/0xc0 [ 260.835580] ? copy_mount_options+0x5f/0x380 [ 260.840009] ? rcu_read_lock_sched_held+0x108/0x120 [ 260.845060] ? kmem_cache_alloc_trace+0x616/0x780 [ 260.849927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.855484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.861059] ? copy_mount_options+0x285/0x380 [ 260.865581] ksys_mount+0x12d/0x140 [ 260.869232] __x64_sys_mount+0xbe/0x150 [ 260.873225] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 260.878263] do_syscall_64+0x1b1/0x800 [ 260.882141] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 260.886977] ? syscall_return_slowpath+0x5c0/0x5c0 [ 260.891911] ? syscall_return_slowpath+0x30f/0x5c0 [ 260.896838] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 260.902196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.907059] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 260.912256] RIP: 0033:0x455a09 [ 260.915434] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 260.923148] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 260.930421] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 260.937685] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 260.944945] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 260.952227] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 261.005661] Dev loop5: unable to read RDB block 1 [ 261.010815] loop5: unable to read partition table [ 261.016656] loop5: partition table beyond EOD, truncated [ 261.022258] loop_reread_partitions: partition scan of loop5 () failed (rc=-5) 2018/05/17 15:02:51 executing program 0 (fault-call:2 fault-nth:75): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:51 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000080)='/dev/qat_adf_ctl\x00', 0x3, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r1, 0xc08c5332, &(0x7f0000000100)={0x100000000000, 0x3, 0x10001, 'queue1\x00', 0x81}) 2018/05/17 15:02:51 executing program 1: ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000180)=0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x4c2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x8}, r0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vsock\x00', 0x200800, 0x0) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x400100, 0x0) ioctl$KVM_CREATE_DEVICE(r2, 0xc00caee0, &(0x7f0000000140)={0x3, r3, 0x1}) r4 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) syz_open_dev$sndctrl(&(0x7f0000000040)='/dev/snd/controlC#\x00', 0x7, 0x4000) pwritev(r4, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:51 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={0xffffffffffffffff, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:51 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) shmget(0x2, 0x8000, 0x40, &(0x7f0000ff8000/0x8000)=nil) r3 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x0) 2018/05/17 15:02:51 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0x8, 0x101000) getpeername$netlink(r1, &(0x7f00000000c0), &(0x7f0000000100)=0xc) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000400)='./cgroup.cpu\x00', 0x200002, 0x0) getsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f0000000280)={{{@in6=@dev, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@dev}}, &(0x7f0000000180)=0xe8) sendmsg$nl_netfilter(r1, &(0x7f00000003c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f0000000380)={&(0x7f00000001c0)={0x1c, 0x6, 0xb, 0x300, 0x70bd2c, 0x25dfdbff, {0x0, 0x0, 0xa}, [@typed={0x8, 0x6e, @uid=r3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x40841) r4 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) ioctl$KDENABIO(r1, 0x4b36) dup3(r0, r4, 0x0) 2018/05/17 15:02:51 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f000016b000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc-twofish-3way\x00'}, 0x58) setsockopt$ALG_SET_KEY(r2, 0x117, 0x1, &(0x7f0000ff8000)="0a0775b005e381e5b3b60ced5c54dbb7295df0df8217ad4000000000020000e6", 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) poll(&(0x7f0000000100)=[{r1, 0x400}, {r0}, {r1}, {r1, 0x1}, {r0, 0x8}, {r2, 0x104}, {r2, 0x10}, {r1, 0x8010}, {r1, 0x100}], 0x9, 0x8) 2018/05/17 15:02:51 executing program 5: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = fcntl$dupfd(r1, 0x506, r1) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000003c0)) r3 = getpgrp(0xffffffffffffffff) r4 = getpid() kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000340)={r2, r0, 0x6b8c}) r5 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt(r2, 0x6, 0x101, &(0x7f0000000400)=""/222, &(0x7f0000000500)=0xde) syz_read_part_table(0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000940)="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", 0x1fd, 0x3}]) clone(0x80000000, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) openat$cgroup_type(r1, &(0x7f0000000280)='cgroup.type\x00', 0x2, 0x0) pwritev(r5, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000300), &(0x7f0000000380)=0x4) [ 261.147273] QAT: Invalid ioctl [ 261.150700] FAT-fs (loop0): bogus number of reserved sectors [ 261.150712] FAT-fs (loop0): Can't find a valid FAT filesystem [ 261.174954] FAULT_INJECTION: forcing a failure. [ 261.174954] name failslab, interval 1, probability 0, space 0, times 0 [ 261.186260] CPU: 1 PID: 19834 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 261.193551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.202920] Call Trace: [ 261.205541] dump_stack+0x1b9/0x294 [ 261.209199] ? dump_stack_print_info.cold.2+0x52/0x52 [ 261.214410] ? perf_trace_lock_acquire+0xe3/0x980 [ 261.219297] should_fail.cold.4+0xa/0x1a [ 261.223384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.228511] ? perf_tp_event+0xc30/0xc30 [ 261.232605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.238170] ? graph_lock+0x170/0x170 [ 261.242043] ? perf_swevent_event+0x158/0x2e0 [ 261.246559] ? find_held_lock+0x36/0x1c0 [ 261.250628] ? __lock_is_held+0xb5/0x140 [ 261.254705] ? check_same_owner+0x320/0x320 [ 261.259036] ? tracing_generic_entry_update+0x18e/0x200 [ 261.264400] ? rcu_note_context_switch+0x710/0x710 [ 261.269326] ? perf_swevent_event+0x158/0x2e0 [ 261.273822] __should_failslab+0x124/0x180 [ 261.278059] should_failslab+0x9/0x14 [ 261.281858] kmem_cache_alloc+0x2af/0x760 [ 261.286045] __d_alloc+0xc0/0xd30 [ 261.289511] ? shrink_dcache_for_umount+0x290/0x290 [ 261.294545] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 261.299649] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 261.304747] ? perf_trace_run_bpf_submit+0x246/0x370 [ 261.309852] ? perf_tp_event+0xc30/0xc30 [ 261.313926] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 261.319042] ? memset+0x31/0x40 [ 261.322324] d_alloc+0x8e/0x370 [ 261.325603] ? __d_alloc+0xd30/0xd30 [ 261.329313] ? zap_class+0x720/0x720 [ 261.333047] d_alloc_parallel+0x152/0x1e80 [ 261.337279] ? graph_lock+0x170/0x170 [ 261.341081] ? memset+0x31/0x40 [ 261.344361] ? __d_lookup_rcu+0xa80/0xa80 [ 261.348502] ? print_usage_bug+0xc0/0xc0 [ 261.352560] ? find_held_lock+0x36/0x1c0 [ 261.356637] ? lock_downgrade+0x8e0/0x8e0 [ 261.360789] ? mark_held_locks+0xc9/0x160 [ 261.364937] ? __raw_spin_lock_init+0x1c/0x100 [ 261.369536] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 261.374552] ? __lockdep_init_map+0x105/0x590 [ 261.379049] ? __lockdep_init_map+0x105/0x590 [ 261.383542] ? lockdep_init_map+0x9/0x10 [ 261.387597] ? __init_waitqueue_head+0x96/0x140 [ 261.392261] ? init_wait_entry+0x1b0/0x1b0 [ 261.396488] ? d_alloc_parallel+0x1e80/0x1e80 [ 261.400982] ? lock_release+0xa10/0xa10 [ 261.404963] ? graph_lock+0x170/0x170 [ 261.408789] __lookup_slow+0x1e6/0x540 [ 261.412675] ? vfs_unlink+0x510/0x510 [ 261.416477] ? d_lookup+0x219/0x330 [ 261.420136] lookup_one_len+0x1c7/0x210 [ 261.424118] ? lookup_one_len_unlocked+0xf0/0xf0 [ 261.428871] ? down_write+0x87/0x120 [ 261.432579] ? start_creating+0xb1/0x200 [ 261.436634] ? down_read+0x1b0/0x1b0 [ 261.440343] ? mntput+0x74/0xa0 [ 261.443619] ? simple_pin_fs+0xa4/0x190 [ 261.447591] start_creating+0xc6/0x200 [ 261.451487] debugfs_create_dir+0x23/0x3c0 [ 261.455722] bdi_register_va.part.10+0x318/0x9b0 [ 261.460475] ? cgwb_kill+0x630/0x630 [ 261.464197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.469726] ? bdi_init+0x416/0x510 [ 261.473344] ? wb_init+0x9e0/0x9e0 [ 261.476882] ? bdi_alloc_node+0x67/0xe0 [ 261.480857] ? bdi_alloc_node+0x67/0xe0 [ 261.484828] ? rcu_read_lock_sched_held+0x108/0x120 [ 261.489838] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 261.495119] ? _raw_spin_unlock+0x22/0x30 [ 261.499271] bdi_register_va+0x68/0x80 [ 261.503167] super_setup_bdi_name+0x123/0x220 [ 261.507659] ? kill_block_super+0x100/0x100 [ 261.511980] ? kmem_cache_alloc_trace+0x616/0x780 [ 261.516937] ? match_wildcard+0x3c0/0x3c0 [ 261.521082] ? trace_hardirqs_on+0xd/0x10 [ 261.525233] fuse_fill_super+0xe6e/0x1e20 [ 261.529384] ? fuse_get_root_inode+0x190/0x190 [ 261.533976] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 261.539082] ? kasan_check_read+0x11/0x20 [ 261.543229] ? cap_capable+0x1f9/0x260 [ 261.547118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.552650] ? security_capable+0x99/0xc0 [ 261.556814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.562354] ? ns_capable_common+0x13f/0x170 [ 261.566763] ? get_anon_bdev+0x2f0/0x2f0 [ 261.570826] ? sget+0x113/0x150 [ 261.574103] ? fuse_get_root_inode+0x190/0x190 [ 261.578681] mount_nodev+0x6b/0x110 [ 261.582315] fuse_mount+0x2c/0x40 [ 261.585767] mount_fs+0xae/0x328 [ 261.589135] vfs_kern_mount.part.34+0xd4/0x4d0 [ 261.593714] ? may_umount+0xb0/0xb0 [ 261.597335] ? _raw_read_unlock+0x22/0x30 [ 261.601477] ? __get_fs_type+0x97/0xc0 [ 261.605367] do_mount+0x564/0x3070 [ 261.608903] ? do_raw_spin_unlock+0x9e/0x2e0 [ 261.613397] ? copy_mount_string+0x40/0x40 [ 261.617627] ? rcu_pm_notify+0xc0/0xc0 [ 261.621521] ? copy_mount_options+0x5f/0x380 [ 261.625922] ? rcu_read_lock_sched_held+0x108/0x120 [ 261.630942] ? kmem_cache_alloc_trace+0x616/0x780 [ 261.635794] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.641335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.647996] ? copy_mount_options+0x285/0x380 [ 261.652497] ksys_mount+0x12d/0x140 [ 261.656120] __x64_sys_mount+0xbe/0x150 [ 261.660087] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 261.665101] do_syscall_64+0x1b1/0x800 [ 261.668988] ? finish_task_switch+0x1ca/0x840 [ 261.673483] ? syscall_return_slowpath+0x5c0/0x5c0 [ 261.678407] ? syscall_return_slowpath+0x30f/0x5c0 [ 261.683347] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 261.688711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.693557] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 261.698750] RIP: 0033:0x455a09 [ 261.701930] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 261.709643] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 261.716903] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 261.724162] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 261.731422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 261.738694] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:51 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={0xffffffffffffffff, &(0x7f0000000100)="303fbe541cd87b44cfe14c960712c390339d82af5037757c6740887026ddf46b84baf9577af82daf7d4162e3a3d54f9bde7f6a87c18a63e507f14eabb0d7c0c9ff5b42a95c2aa056611add169f62ff0bd52a417aa2192f0a5dc7b4be5613fd8b371088808c70655ffb54f7658080f5fa75734d989972b51b894eea7669c116acd87df284cf3967cee884de9eabac044dfe4f8df6afe476a7c4e0d924c24cf210154842137515fa8e7f2399ea06657b2a190dff44ffe7ea4c410a47a5929bbf63a54767477b728b90d62fe20995417f6928e7de0a", &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:51 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) bind$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x0) 2018/05/17 15:02:51 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup/syz1\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_POWER_STATE(r3, 0x800455d1, &(0x7f00000000c0)=""/40) dup3(r0, r2, 0x0) 2018/05/17 15:02:51 executing program 7: r0 = dup(0xffffffffffffff9c) ioctl$TIOCNXCL(r0, 0x540d) r1 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={0xffffffffffffff9c, 0x1, 0x0, 0x5, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x9}, 0x20) getsockopt$ax25_int(r1, 0x101, 0x3, &(0x7f0000000140), &(0x7f0000000180)=0x4) syz_mount_image$nfs4(&(0x7f00000003c0)='nfs4\x00', &(0x7f0000000400)='./file0\x00', 0x6, 0x6, &(0x7f0000001700)=[{&(0x7f0000000440)="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", 0x1000, 0xccd6}, {&(0x7f0000001440)="3135863ba70632e703263a4103d4f746812a796654cf2bf49c39b3b22274e798645e683b10b91286f9b130653be20198b628b4e1bc62480f14972f615d06306380b3bf19e8e66bde7903bb2d3e0e9f830d1d739fa2c9e65e052d", 0x5a, 0x1000}, {&(0x7f00000014c0)="bed5a39bc50f23422652dbf2f166d78d53cfa8a4651e2a6aeeddcd0943e93c79f0d9c1a52bdf69f7255a4525539ddf3f5e9cdea4a70d41", 0x37, 0x1}, {&(0x7f0000001500)="286cadc460fd30df2ea5b23bca64b701513877534aa19c748d4a8c7b3ec969e7c633247bf5af3bde831cc049283a21a12ffc297113d91656e2cce810db8182ec4effa36870a177aac21d593065b6905daf91797c5dd92d226576e7c006b52a2700eafa8c303195fb0922912f4c258d745207776f0919d95a9d4bc13cfd62ee74f4aac2296a2b4d47e281fd2f7b44", 0x8e}, {&(0x7f00000015c0)="4b589325efd05a1c37f86e4055cf15969dd7a698a37a61151a1c0cc67fe25b65a3edea991fb9232a441288fa9c521eb3658908bcbfae117fdb49c973807bc919935f53f5c757bcdb3650df4a32", 0x4d, 0x5}, {&(0x7f0000001640)="b1018760913be7b438fb62119338a8f6413d4a4f5a9c36f545b373c6e0011fc9e3accd132d49e476b4a7298b3adf717f08eb86d5a44d310bd91063cfb19250930d887025dfc2413e153db36d167f2a278457f11f2c3ad84eeffa6ef41220a96c3c796fce1948d0a5e1f8ee836d29d48c537495916798746f678f034519bca8d6815d2f943bca43b54b9f10bc3675a071b45832b26f5b0280c5bab2ecdf585c5422270166", 0xa4, 0x3f}], 0x1000000, &(0x7f00000017c0)='[\x00') perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000380)={r0, &(0x7f0000000280)="053acb6ae2e76dbb96e1190345ce2177f0b6d5c4cf989900a4eda621026a9785ace4b90201b0588168783aac2bf314bad7928f92be6d60157c260049737e9d1528bba868f21a0651a08a013aef20", &(0x7f0000000300)="9e9455e8c895ab52f5cf6d9ab887d4cf148d8d58480dbb565c5498b3a5f95bcc41977069228720bd7af1476025e830e0db9555d0d1cb3c47081f426af349cedfd7314fe36864c76625186445078e904d77c04d20ebbe270a196688255e6784e693cae6e404d45e4ca115937d23584f68c823ceea27afa5511d45"}, 0x20) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f00000001c0)=0x0) ptrace(0xffffffffffffffff, r3) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:51 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = dup2(r0, r0) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f00000001c0)=@assoc_value={0x0}, &(0x7f0000000500)=0x8) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000540)=@assoc_value={r2, 0x3754}, &(0x7f0000000580)=0x8) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000c00)={{{@in6=@loopback, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in=@dev}}, &(0x7f0000000280)=0xe8) ioctl$sock_inet6_SIOCSIFDSTADDR(r1, 0x8918, &(0x7f0000000d00)={@local={0xfe, 0x80, [], 0xaa}, 0x2c, r3}) lseek(r0, 0x39, 0x6) r4 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r5 = openat$cgroup_int(r4, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) sendmsg$kcm(r1, &(0x7f0000000180)={&(0x7f0000000040)=@generic={0x2, "c74afd5fe0f2cd0c43a020432f5924f86568d764fbb055924d08b4d5fdeac6d287a050d868277f1661c09e06d3497fc67786c7ad3d59774a72f73e148747541f0728e70fecbbded42c108c17c761a96a429a43c02de8a36af1789f9743113575c20c718c5fcb8f553d50cee5963ff4a7bc562f98c290575abb0742f5cdaa"}, 0x80, &(0x7f0000000140)=[{&(0x7f0000000100)="202166f4d5f3203423b072cbbb79cbdb3c7498fc7c7d4796190d16103ce18d648724aab317", 0x25}], 0x1, &(0x7f0000000300)=[{0xd8, 0x118, 0x9e, "93ed08f860f0dd13dfc2b9b1a102c2ad85d37704cfb16e026ae5ebf84e6448417f88327b048b0ded6dd9a065dfead31e81160c35a46208f154298e3e648c79a086ac02017e66c973c4067cbf8c3ff464b5c731f8051a1430c1d693e38f897b09621b63c8f1942baad0aa50769a2758d1efbd71255ccfcf731e8f23f1f38bffb06e6bb5ffe0ac9090b60c5e9b27ecd8411d534db6b556334207e8cd7123be0bcd08cad593f67d470fb23bf4d417a7e01c09187fe46f7f9c84ecf2ac0b3c3bef087c3e229665"}, {0xf0, 0x1, 0x1d8, "4787251708fb404ad510aa19877f8ef33d7b1a68ff96af869df936325473aad02ebd0e5fe96e3b6cab8e6278920eef4afd97a0424544f0153d1c76a6bebb3780c08b850cacabbe56676fe00a04ac33f80e587609eac31743287bef266e02ae050ef26ab5e04ca47395c7f10ea2ceaa9a7810cdd8ff7dd482886e176a4622a1e13ca50fda7feec6b27c6ccad7b9d2cc0700bc9da847754aff0ae7bff1645c3c8e2c243a4dc9ed4b5aac890ba4dc204d6b6929055a6dabc37ac54bfc3b959e22c01ab7a0d0e0e51c33972da17bf88e13204dab067f33a0dcc8dbd9"}], 0x1c8}, 0x94) pwritev(r5, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) [ 261.761843] Dev loop5: unable to read RDB block 1 [ 261.766866] loop5: unable to read partition table [ 261.773984] loop5: partition table beyond EOD, truncated [ 261.779714] loop_reread_partitions: partition scan of loop5 () failed (rc=-5) [ 261.795160] QAT: Invalid ioctl 2018/05/17 15:02:51 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000000680)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000002400)={{{@in6=@loopback, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @broadcast}}, 0x0, @in=@rand_addr}}, &(0x7f0000002500)=0xe8) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f0000002540)={'team0\x00', r3}) r4 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x2080, 0x0) ioctl$KVM_GET_REG_LIST(r5, 0xc008aeb0, &(0x7f00000000c0)) dup3(r0, r4, 0x0) 2018/05/17 15:02:51 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) r3 = dup3(r0, r2, 0x0) ioctl$IOC_PR_REGISTER(r3, 0x401870c8, &(0x7f00000000c0)={0x1, 0x9be}) ioctl$EVIOCRMFF(r3, 0x40044581, &(0x7f0000000040)=0x3) 2018/05/17 15:02:51 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x40, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r2, 0x4c09, 0x0) getsockopt$netrom_NETROM_T2(r2, 0x103, 0x2, &(0x7f00000000c0)=0x2, &(0x7f0000000100)=0x4) r3 = openat$cgroup_int(r1, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) dup3(r0, r3, 0x0) 2018/05/17 15:02:52 executing program 0 (fault-call:2 fault-nth:76): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:52 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x2, 0x0) ioctl$VT_RESIZEX(r0, 0x560a, &(0x7f0000000180)={0x3, 0xfffffffffffffffc, 0x0, 0x9, 0x3, 0x6}) ioctl$KVM_ENABLE_CAP_CPU(r0, 0x4068aea3, &(0x7f0000000100)={0x7b, 0x0, [0x3f, 0x0, 0x9, 0xfffffffffffffffd]}) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x2}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:52 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000100), &(0x7f0000000280)=""/165}, 0x18) 2018/05/17 15:02:52 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)="2e2f6367726f7df82e63707500", 0x200002, 0x0) syz_open_dev$urandom(&(0x7f0000000100)='/dev/urandom\x00', 0x0, 0x40040) r1 = syz_open_dev$mouse(&(0x7f0000000040)='/dev/input/mouse#\x00', 0x45, 0x200) ioctl$VHOST_SET_VRING_NUM(r1, 0x4008af10, &(0x7f0000000080)={0x3, 0x7}) r2 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r2, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r3 = request_key(&(0x7f0000000140)='asymmetric\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x3}, &(0x7f00000001c0)='&\x00', 0xfffffffffffffffe) keyctl$clear(0x7, r3) execve(&(0x7f0000000280)='./file0\x00', &(0x7f0000000480)=[&(0x7f0000000300)='{md5sum\tposix_acl_access,(vmnet1em1^\x00', &(0x7f0000000340)='^\x00', &(0x7f0000000380)='\x00', &(0x7f00000003c0)=']posix_acl_access/.&wlan1)\x00', &(0x7f0000000400)="2e2f6367726f7df82e63707500", &(0x7f0000000440)='&\x00'], &(0x7f0000000680)=[&(0x7f00000004c0)='!&\x00', &(0x7f0000000500)='+.\x00', &(0x7f0000000540)='/dev/urandom\x00', &(0x7f0000000580)=',selfprocvmnet1user/$cgroup\x00', &(0x7f00000005c0)='\x00', &(0x7f0000000600)='&\x00', &(0x7f0000000640)="2e2f6367726f7df82e63707500"]) 2018/05/17 15:02:52 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000080)={0x8, 0x9, 0x1f, 0x4, 0x1, 0x76c5}) r3 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x0) 2018/05/17 15:02:52 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) openat$urandom(0xffffffffffffff9c, &(0x7f0000000080)='/dev/urandom\x00', 0x14000, 0x0) 2018/05/17 15:02:52 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = fcntl$dupfd(r1, 0x506, r1) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000003c0)) r3 = getpgrp(0xffffffffffffffff) r4 = getpid() kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000340)={r2, r0, 0x6b8c}) r5 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt(r2, 0x6, 0x101, &(0x7f0000000400)=""/222, &(0x7f0000000500)=0xde) syz_read_part_table(0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000940)="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", 0x1fd, 0x3}]) clone(0x80000000, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) openat$cgroup_type(r1, &(0x7f0000000280)='cgroup.type\x00', 0x2, 0x0) pwritev(r5, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000300), &(0x7f0000000380)=0x4) openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x0, 0x0) 2018/05/17 15:02:52 executing program 5: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = fcntl$dupfd(r1, 0x506, r1) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000003c0)) r3 = getpgrp(0xffffffffffffffff) r4 = getpid() kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000340)={r2, r0, 0x6b8c}) r5 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt(r2, 0x6, 0x101, &(0x7f0000000400)=""/222, &(0x7f0000000500)=0xde) syz_read_part_table(0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000940)="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", 0x1fd, 0x3}]) clone(0x80000000, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) openat$cgroup_type(r1, &(0x7f0000000280)='cgroup.type\x00', 0x2, 0x0) pwritev(r5, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) [ 262.251653] Dev loop6: unable to read RDB block 1 [ 262.256633] loop6: unable to read partition table [ 262.273720] loop6: partition table beyond EOD, truncated [ 262.279290] loop_reread_partitions: partition scan of loop6 () failed (rc=-5) [ 262.290985] Dev loop5: unable to read RDB block 1 [ 262.296112] loop5: unable to read partition table 2018/05/17 15:02:52 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x1cc) pipe(&(0x7f0000000100)={0xffffffffffffffff}) ioctl$DRM_IOCTL_MARK_BUFS(r2, 0x40206417, &(0x7f0000000140)={0x8001, 0x80000000, 0x8, 0x6, 0x1}) r3 = dup3(r0, r0, 0x80000) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) ioctl$TUNATTACHFILTER(r2, 0x401054d5, &(0x7f00000001c0)={0x2, &(0x7f0000000180)=[{0x0, 0x101, 0x1000, 0x7}, {0x0, 0x2, 0x7, 0x101}]}) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x1f, &(0x7f00000018c0)={0x0, @in6={{0xa, 0x4e23, 0x9, @mcast1={0xff, 0x1, [], 0x1}, 0x9a5c}}, 0xfffffffffffffff9, 0x2366}, &(0x7f0000001980)=0x90) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000019c0)={0x0, 0x66}, &(0x7f0000001a00)=0x8) sendmsg$inet_sctp(r3, &(0x7f0000001b00)={&(0x7f0000000300)=@in={0x2, 0x4e21, @multicast2=0xe0000002}, 0x10, &(0x7f0000001800)=[{&(0x7f0000000340)="c48bb1e5b07ff5d0197bdbaa7ca3b0c2e42300b86fb336ee0f124285d4eae01d33ecc5f6bcfda5b31c8efe20aa1eedbfab0ce43a8dabb0c62a6035bbb3b2a0311b79420988e626b948049b12fb145a6d6f2372b0e604bd1d5f83f2c81b8dfd793ff036b0557c987d5528dd08af9e7e8fd72d2e5dbd7261a94a95c019855aa7", 0x7f}, {&(0x7f00000003c0)="f228ec6681582e27aed1defb0897fa1314c51766b833", 0x16}, {&(0x7f0000000400)="6b4a8f21a572ca70844cf08a87c5d6fb591f439eb8d5fefef87bbf3170fee6e809e2785e8a5548e4a33c0afee8b73a98839aeb61048089624adceecd6794523daab4b067a6df60951acdb0baa9fc4790c4cbc0eb8505f7d9e09255ea619f40cdca1e8dd72986236fb9eae04e66a5d4f1ca6d134349672fecda0bdc0d35d6e7ef45b6b4f96c9d1eb6f744a924ab2ca6bd285a122bb5e2cfa0a0159a820f723b448427728f12aef105c5c98d110e09e05a652b7871ff52b0ee51eee37b3c3e596cb85f9d93c1cf0d5a4e7cce04082cbf8462d5f0593a1c81cd93368993ea40", 0xde}, {&(0x7f0000000500)="bf429e47dcd00e16388cb7a80eb502d84f1f4bb9cc7b", 0x16}, {&(0x7f0000000540)="eee51309fe382d7d141d71e762004b62aa206f373955798144986398f0213a96f58d81a687dfbe38c0fb6f740190b5e20322c8310a60786f091ffccad68bb1d3f96325bfb2ae51f15b72dc0379bc2fab8cc7fc02a221d557ba", 0x59}, {&(0x7f00000005c0)="86dff8b047fc9c98b7e292d68b8a990f156ebae4df39bf0d8c798dcdedf64a5daf48da25d90e132196019e9733f47739986b9a1ed433b23033152326ff68b617e0e63bd7eb47e809fa9e28c4289a9e2a71f9038982840b6f4e3d08980ca04f", 0x5f}, {&(0x7f0000000640)="50b2b648958022aa75daf38b2c6a60a2ed7e163ca0379f63710d57d54762dc414383b3315a06eb823bf73cd1c6e8a9da39574f6d938af287399d5d8415dfedbd359b7c1bfb73196359d4df620e0bd2fd59fd970d9bf86dfa30b880311926198642cf706fd45b0673f556b4fd740cb4f09569602bcca5e2fe3e0535e615c9aa0ef29067e21161df3a93b4aa0e2f22a556721da1a3fce6caa717e1d6ffc2396ee59b73cf4370a42db435300040a1496405f8aa693493ec271f7db88d2fabce38c8eb6db8dc5af9f07d8b6076d6d06ea8e80590bfc81619110a4e3b371bcedfd83d19f4fd68b0228097", 0xe8}, {&(0x7f0000000740)="60d0b3181ebdbf46d0f1b9f8a2b2f7e6b989f35a8aaf77f1dc6915d9f6d1ee7dd5632a2d26a16f73226f3276cf895049cbbdf940adaa0a1d6bf0477d44d43a58fd9d8cfc5c48df623aaa75042b97afe2b5652cd9135fbd08f8f0832d0c02f974e2e1ab876fff6c", 0x67}, {&(0x7f00000007c0)="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", 0x1000}, {&(0x7f00000017c0)="2d3332378d7e242bb6ff52a1fcb0479fe033e773e0aed783e299d1fc6158ff74cc20845b8116b1c785436d63eeefeb", 0x2f}], 0xa, &(0x7f0000001a40)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x0, 0x8001, 0x1, r4}}, @init={0x18, 0x84, 0x0, {0x5, 0x401, 0x1, 0xfff}}, @sndinfo={0x20, 0x84, 0x2, {0x3, 0x2, 0x0, 0x8, r5}}, @prinfo={0x18, 0x84, 0x5, {0x0, 0x8}}, @init={0x18, 0x84, 0x0, {0x9, 0x2, 0x100000000, 0x7fff}}], 0x88, 0x40004}, 0x4000) setsockopt$bt_hci_HCI_TIME_STAMP(r1, 0x0, 0x3, &(0x7f0000000080)=0x5, 0x4) delete_module(&(0x7f00000002c0)="2b21ce73797374656d00", 0x800) r6 = getpgrp(0x0) sched_getattr(r6, &(0x7f0000000280), 0x30, 0x0) 2018/05/17 15:02:52 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) r2 = socket$pppoe(0x18, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000080)={'erspan0\x00', &(0x7f0000000040)=@ethtool_stats={0x1d, 0x3, [0x800, 0xffff, 0x2]}}) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:52 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dspn(&(0x7f0000000080)='/dev/dsp#\x00', 0x7, 0x220400) ioctl$EVIOCGBITSND(r0, 0x80404532, &(0x7f0000000100)) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) ioctl$EVIOCGPROP(r0, 0x80404509, &(0x7f0000000100)=""/61) 2018/05/17 15:02:52 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r2 = dup2(r0, r1) ioctl$DRM_IOCTL_GET_STATS(r2, 0x80f86406, &(0x7f0000000100)=""/209) 2018/05/17 15:02:52 executing program 6: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x0, 0x0, 0x4e20}, 0x6e) [ 262.360514] loop5: partition table beyond EOD, truncated [ 262.366167] loop_reread_partitions: partition scan of loop5 () failed (rc=-5) 2018/05/17 15:02:52 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f0000000000)=0x81, 0x4) r3 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x0) 2018/05/17 15:02:52 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000780)=[{&(0x7f0000000300)="761a6f41b2ab76e935f84b38127ace5f66f7f60e77132e8d08abd92aa427e8abeab62c5d0a12ff2aefebeb210bc422951a744576cde537e0885a216ef6ab56186175d2f6b5f46006268e7a2f73b43b654497efeef996de626c9b1bb0ce6cf1064aab4c1152634e9c1bbf9a27d635e0bdd72c8e39378dc466184da10441a8b54d14ebc7727fcaa4ea18ecfc24", 0x8c}, {&(0x7f00000003c0)="d09a2f9b156aa7c8a81a2ad21c3bbbaa29bc72f0311aa96b1bc84b4857f7de8a9f015bba69ceb8db0fde4db1a91df9cbddff2397a9a519e33db8e52c85a71b86be41fd5b52ce3e344d1ccba0cd5d3bb71435c86cf230e505ef530a1b41", 0x5d}, {&(0x7f0000000440)="3370e56b9b9090c3ab7588d9ee473774ebffd42802e32f004ded4c771eda109cfc7e459d8effb154a24c03eb16b95263378df62d6970a03b1249118caaf2a48c87c2922d77f02d2cf875b4d9674041b7d23d80474568c54bda95304582aa8f830261e502967bd1ad48c2e971549c47cada0bdbe54a243e0543760e4d70d140eb7448b5c8f2d4126b09bd72962d28909fd2d7443576faf69b958db0701cfd2ab977", 0xa1}, {&(0x7f0000000500)="0f3021cd0cd374c79a70a6de94bea1abeb744c36ff0a295b75e93c2cf033c9afce3579a81debd95158ce426b8a2ff8a28b3a844bcea32e1183165cb3b086c51127c6368f2ed064fd138e9553649568ae50e8d07a9a908346b2ceeebb1b4a2e6d850a7fc0bf6e44d8bec7794c078bd5bd3d07dc382e1f216eb3630b864c026bd845d5f5fcb9", 0x85}, {&(0x7f0000000080)="d8ef39019b321cc51ac6d4bdeceea9dcc2a0961101d81e50de9916d5e8e218331deec07e", 0x24}, {&(0x7f00000005c0)="9a398cfbbd62139d375383f7ec5728a63de4b37599b3a28810fd82462221b9b8d08fd7ff72d72e7c2432f8e2bd8dafc2983a72d2db589b5233d17eb9279a7567d31f336cf450de256a33ad5e814e3354c268f1b97aecc7dbd375160a918bf4d510902ffae226d6c26cd99a5514a01a92d024e543db6245cdde6d96f7919a0a99e13a135a1a46cc0b6b87f411f2f619a16aecd0cf1a73bcd9920a475f241a9e5c66d3dafcee38b559d2bb7dea10b3f6b1352f97496553774243aaad19ce0aaa664506a05eb725292bda37902116bf58d7a68d3077a6d594143dfd6e1f5c80045229", 0xe1}, {&(0x7f00000006c0)="70ef7b0edff7740a0574e11d22f15dc37619a3fc213cc5a7636df44db8ed53184b8c46baedd16b3d38306e1fc25280a5278b4e25bf13c02c723e23cc13a5120cb658c8b3ef765d74a12032bdb637162c65fe232cd0c9271d0f9b0ff1e7508e68db427c94ad9b455d28accb27fc29664daa5c227dd79b1e0d159fc306059142af37213f37a27103bb98b5200ff736", 0x8e}], 0x7) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x8001}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/audio\x00', 0x40000, 0x0) bind$pptp(r1, &(0x7f0000000280)={0x18, 0x2, {0x2, @multicast2=0xe0000002}}, 0x1e) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000000800), 0x0, 0xffffffffffffffff) r3 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0x6, 0x8000) ioctl$EVIOCGABS20(r3, 0x80184560, &(0x7f0000000100)=""/144) 2018/05/17 15:02:52 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000580)='/proc/self/net/pfkey\x00', 0x4ca401, 0x0) ioctl$EVIOCGLED(r2, 0x80404519, &(0x7f00000005c0)=""/206) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f0000000340)={{{@in6=@dev, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in=@broadcast}}, &(0x7f0000000180)=0xe8) pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffff9c, 0x84, 0x0, &(0x7f00000004c0)={0x0, 0xfffffffffffff001, 0x7, 0x2}, &(0x7f0000000700)=0x10) r7 = getgid() fchown(r0, r4, r7) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f0000000500)={r6, 0x7fffffff, 0x3, 0x8, 0x9, 0x8001}, &(0x7f00000006c0)=0x14) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0x10, &(0x7f0000000540)=@sack_info={r6, 0x17bad530, 0x1}, 0xc) readahead(r5, 0x6, 0x5) bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xb, 0x200000000000065d, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xd1, 0x0, 0x0, 0x0, 0xfffffffffffffff8}, [@generic={0x2fce7549, 0x101, 0x0, 0x100000001}, @ldst={0x3, 0x3, 0x3, 0xe, 0x7, 0x10, 0x8}, @call={0x85, 0x0, 0x0, 0xa}, @generic={0x6, 0x3, 0xe2fd, 0x1}], {0x95}}, &(0x7f0000000080)='GPL\x00', 0x4, 0x443a7330548f9b1d, &(0x7f0000000280)=""/170, 0x40eff, 0x1fffd, [], r3}, 0xffffffffffffffd0) [ 262.762064] FAT-fs (loop0): bogus number of reserved sectors [ 262.767998] FAT-fs (loop0): Can't find a valid FAT filesystem [ 262.835524] FAULT_INJECTION: forcing a failure. [ 262.835524] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 262.847368] CPU: 0 PID: 19916 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 262.854645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.864000] Call Trace: [ 262.866604] dump_stack+0x1b9/0x294 [ 262.870253] ? dump_stack_print_info.cold.2+0x52/0x52 [ 262.875457] ? zap_class+0x720/0x720 [ 262.879198] should_fail.cold.4+0xa/0x1a [ 262.883277] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.888426] ? find_held_lock+0x36/0x1c0 [ 262.892498] ? graph_lock+0x170/0x170 [ 262.896314] ? lock_acquire+0x1dc/0x520 [ 262.900304] ? lock_downgrade+0x8e0/0x8e0 [ 262.904559] ? find_held_lock+0x36/0x1c0 [ 262.908662] __alloc_pages_nodemask+0x34e/0xd70 [ 262.913353] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 262.918410] ? rcu_read_unlock+0x35/0x70 [ 262.922489] ? __lock_is_held+0xb5/0x140 [ 262.926586] ? check_same_owner+0x320/0x320 [ 262.930941] cache_grow_begin+0x72/0x6c0 [ 262.935027] kmem_cache_alloc+0x689/0x760 [ 262.939204] alloc_inode+0xb2/0x190 [ 262.942844] new_inode_pseudo+0x69/0x1a0 [ 262.946916] ? prune_icache_sb+0x1a0/0x1a0 [ 262.951164] ? down_read+0x1b0/0x1b0 [ 262.954888] ? mntput+0x74/0xa0 [ 262.958192] new_inode+0x1c/0x40 [ 262.961569] debugfs_get_inode+0x19/0x120 [ 262.965731] __debugfs_create_file+0xb5/0x400 [ 262.970248] debugfs_create_file+0x57/0x70 [ 262.974500] bdi_register_va.part.10+0x365/0x9b0 [ 262.979273] ? cgwb_kill+0x630/0x630 [ 262.983003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.988547] ? bdi_init+0x416/0x510 [ 262.992186] ? wb_init+0x9e0/0x9e0 [ 262.995741] ? bdi_alloc_node+0x67/0xe0 [ 262.999724] ? bdi_alloc_node+0x67/0xe0 [ 263.003709] ? rcu_read_lock_sched_held+0x108/0x120 [ 263.008740] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 263.014034] ? _raw_spin_unlock+0x22/0x30 [ 263.018202] bdi_register_va+0x68/0x80 [ 263.022109] super_setup_bdi_name+0x123/0x220 [ 263.026617] ? kill_block_super+0x100/0x100 [ 263.030951] ? kmem_cache_alloc_trace+0x616/0x780 [ 263.035802] ? match_wildcard+0x3c0/0x3c0 [ 263.039962] ? trace_hardirqs_on+0xd/0x10 [ 263.044138] fuse_fill_super+0xe6e/0x1e20 [ 263.048314] ? fuse_get_root_inode+0x190/0x190 [ 263.052916] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 263.057950] ? kasan_check_read+0x11/0x20 [ 263.062113] ? cap_capable+0x1f9/0x260 [ 263.066022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.071567] ? security_capable+0x99/0xc0 [ 263.075735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.081281] ? ns_capable_common+0x13f/0x170 [ 263.085704] ? get_anon_bdev+0x2f0/0x2f0 [ 263.089778] ? sget+0x113/0x150 [ 263.093074] ? fuse_get_root_inode+0x190/0x190 [ 263.097668] mount_nodev+0x6b/0x110 [ 263.101310] fuse_mount+0x2c/0x40 [ 263.104775] mount_fs+0xae/0x328 [ 263.108162] vfs_kern_mount.part.34+0xd4/0x4d0 [ 263.112762] ? may_umount+0xb0/0xb0 [ 263.116402] ? _raw_read_unlock+0x22/0x30 [ 263.120559] ? __get_fs_type+0x97/0xc0 [ 263.124467] do_mount+0x564/0x3070 [ 263.128037] ? copy_mount_string+0x40/0x40 [ 263.132281] ? rcu_pm_notify+0xc0/0xc0 [ 263.136197] ? copy_mount_options+0x5f/0x380 [ 263.140614] ? rcu_read_lock_sched_held+0x108/0x120 [ 263.145648] ? kmem_cache_alloc_trace+0x616/0x780 [ 263.150512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.156059] ? _copy_from_user+0xdf/0x150 [ 263.160229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.165774] ? copy_mount_options+0x285/0x380 [ 263.170289] ksys_mount+0x12d/0x140 [ 263.173935] __x64_sys_mount+0xbe/0x150 [ 263.177929] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 263.182965] do_syscall_64+0x1b1/0x800 [ 263.186860] ? finish_task_switch+0x1ca/0x840 [ 263.191378] ? syscall_return_slowpath+0x5c0/0x5c0 [ 263.196321] ? syscall_return_slowpath+0x30f/0x5c0 [ 263.201271] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 263.206657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.211528] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 263.216721] RIP: 0033:0x455a09 [ 263.219920] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 263.227641] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 263.234916] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 263.242192] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 263.249468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 263.256741] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:53 executing program 0 (fault-call:2 fault-nth:77): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:53 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x103880, 0x0) getsockopt$EBT_SO_GET_INFO(r0, 0x0, 0x80, &(0x7f0000000100)={'broute\x00'}, &(0x7f0000000180)=0x78) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:53 executing program 6: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x0, 0x0, 0x4e20}, 0x6e) 2018/05/17 15:02:53 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r2 = dup2(r0, r1) ioctl$DRM_IOCTL_GET_STATS(r2, 0x80f86406, &(0x7f0000000100)=""/209) 2018/05/17 15:02:53 executing program 5: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = fcntl$dupfd(r1, 0x506, r1) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000003c0)) r3 = getpgrp(0xffffffffffffffff) r4 = getpid() kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000340)={r2, r0, 0x6b8c}) openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt(r2, 0x6, 0x101, &(0x7f0000000400)=""/222, &(0x7f0000000500)=0xde) syz_read_part_table(0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000940)="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", 0x1fd, 0x3}]) clone(0x80000000, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) openat$cgroup_type(r1, &(0x7f0000000280)='cgroup.type\x00', 0x2, 0x0) 2018/05/17 15:02:53 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) dup(r1) r2 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r2, 0x0) 2018/05/17 15:02:53 executing program 7: r0 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0x58, 0x40000) getsockopt$packet_int(r0, 0x107, 0x1f, &(0x7f0000000100), &(0x7f0000000140)=0x4) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) msgrcv(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0000000000000100"], 0x8, 0x0, 0x0) getsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000380)={@loopback={0x0, 0x1}, 0x3, 0x0, 0x0, 0x8, 0x4, 0x3, 0x9}, &(0x7f00000003c0)=0x20) r3 = geteuid() mlockall(0x3) msgctl$IPC_SET(0x0, 0x1, &(0x7f0000258f88)={{0x0, 0x0, 0x0, r3}}) r4 = syz_open_dev$adsp(&(0x7f0000000340)='/dev/adsp#\x00', 0x1f, 0x4041) setuid(r3) ioctl$KVM_GET_TSC_KHZ(r4, 0xaea3) r5 = syz_open_dev$mice(&(0x7f0000000180)='/dev/input/mice\x00', 0x0, 0x82) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f00000002c0)={'bcsf0\x00', &(0x7f0000000280)=@ethtool_modinfo={0x42, 0xbca, 0x8, "eb5f2f43d019e963"}}) setsockopt(r5, 0x6, 0x101, &(0x7f00000001c0)="1e358efaa9bbf63a6a03f455c51e3ea7d8c2e491074e008b163b5be8f8119d2ba807a0222e693a46f55b2456aabce9db0dc82a492ec0e95ab09524ffcf10778602542695992c2996669414a584548c1c543b50fc2a7e08f5b624744a975effb6af56cae0112a4c73cf39d58a872af588502ceaac7f46d145f204c97248fbe0c7d0d1096c0d04f8b6f54e879e236f27", 0x8f) msgsnd(0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="01"], 0x1, 0x0) msgget$private(0x0, 0x100) r6 = fcntl$getown(r1, 0x9) r7 = msgget$private(0x0, 0x204) r8 = fcntl$getown(r4, 0x9) msgctl$IPC_SET(r7, 0x1, &(0x7f0000000700)={{0x0, r3, 0x0, r3, 0x0, 0x0, 0x20}, 0x80000001, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x9, r8, r6}) r9 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x0, 0x0) ioctl$KVM_GET_ONE_REG(r9, 0x4010aeab, &(0x7f0000000300)={0x7, 0x7fff}) ioctl$TCSETS(r9, 0x5402, &(0x7f0000000000)) getsockopt$ARPT_SO_GET_INFO(r9, 0x0, 0x60, &(0x7f00000000c0)={'filter\x00'}, &(0x7f0000000040)=0x44) getsockopt$inet6_IPV6_XFRM_POLICY(r4, 0x29, 0x23, &(0x7f0000000400)={{{@in6=@remote, @in=@dev}}, {{@in=@remote}, 0x0, @in6=@remote}}, &(0x7f0000000500)=0xe8) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r2, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) 2018/05/17 15:02:53 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='memory.high\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000100)=0x0) syz_open_procfs$namespace(r2, &(0x7f0000000140)='ns/cgroup\x00') 2018/05/17 15:02:53 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = fcntl$dupfd(r1, 0x506, r1) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000003c0)) r3 = getpgrp(0xffffffffffffffff) r4 = getpid() kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000340)={r2, r0, 0x6b8c}) r5 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt(r2, 0x6, 0x101, &(0x7f0000000400)=""/222, &(0x7f0000000500)=0xde) syz_read_part_table(0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000940)="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", 0x1fd, 0x3}]) clone(0x80000000, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) openat$cgroup_type(r1, &(0x7f0000000280)='cgroup.type\x00', 0x2, 0x0) pwritev(r5, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) [ 263.390255] Dev loop5: unable to read RDB block 1 [ 263.395367] loop5: unable to read partition table 2018/05/17 15:02:53 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = socket$inet6_icmp(0xa, 0x2, 0x3a) connect$inet6(r2, &(0x7f0000000040)={0xa, 0x4e23, 0x2, @remote={0xfe, 0x80, [], 0xbb}, 0x1}, 0x1c) 2018/05/17 15:02:53 executing program 4: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000080)={0x0}, &(0x7f0000000100)=0xc) getpgrp(r2) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) [ 263.453133] FAT-fs (loop0): bogus number of reserved sectors [ 263.459083] FAT-fs (loop0): Can't find a valid FAT filesystem [ 263.462973] loop5: partition table beyond EOD, truncated [ 263.470634] loop_reread_partitions: partition scan of loop5 () failed (rc=-5) [ 263.482750] Dev loop6: unable to read RDB block 1 [ 263.487765] loop6: unable to read partition table [ 263.498407] FAULT_INJECTION: forcing a failure. [ 263.498407] name failslab, interval 1, probability 0, space 0, times 0 [ 263.509755] CPU: 1 PID: 19937 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 263.517042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.526407] Call Trace: [ 263.529024] dump_stack+0x1b9/0x294 [ 263.532684] ? dump_stack_print_info.cold.2+0x52/0x52 [ 263.537900] ? perf_trace_lock_acquire+0xe3/0x980 [ 263.542786] should_fail.cold.4+0xa/0x1a [ 263.546893] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.552022] ? save_stack+0x43/0xd0 [ 263.555669] ? kasan_kmalloc+0xc4/0xe0 [ 263.559578] ? kmem_cache_alloc+0x12e/0x760 [ 263.563920] ? fuse_alloc_inode+0x96/0x4f0 [ 263.568173] ? alloc_inode+0x63/0x190 [ 263.571990] ? iget5_locked+0x20e/0x570 [ 263.575988] ? graph_lock+0x170/0x170 [ 263.579804] ? print_usage_bug+0xc0/0xc0 [ 263.583886] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 263.588655] ? do_mount+0x564/0x3070 [ 263.592387] ? __x64_sys_mount+0xbe/0x150 [ 263.596561] ? find_held_lock+0x36/0x1c0 [ 263.600653] ? __lock_is_held+0xb5/0x140 [ 263.604762] ? check_same_owner+0x320/0x320 [ 263.609099] ? __mutex_init+0x1ef/0x280 [ 263.613120] ? rcu_note_context_switch+0x710/0x710 [ 263.618070] ? __ia32_sys_membarrier+0x150/0x150 [ 263.622870] __should_failslab+0x124/0x180 [ 263.627130] should_failslab+0x9/0x14 [ 263.630954] kmem_cache_alloc_trace+0x2cb/0x780 [ 263.635641] ? init_wait_entry+0x1b0/0x1b0 [ 263.639903] ? find_held_lock+0x36/0x1c0 [ 263.643996] fuse_alloc_inode+0x3ae/0x4f0 [ 263.648166] ? fuse_dev_alloc+0x4e0/0x4e0 [ 263.652327] ? lock_downgrade+0x8e0/0x8e0 [ 263.656508] ? kasan_check_read+0x11/0x20 [ 263.660688] ? do_raw_spin_unlock+0x9e/0x2e0 [ 263.665118] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 263.669731] ? kasan_check_write+0x14/0x20 [ 263.673988] ? find_inode.isra.19+0xc3/0x1d0 [ 263.678418] ? fuse_dev_alloc+0x4e0/0x4e0 [ 263.682589] alloc_inode+0x63/0x190 [ 263.686235] iget5_locked+0x20e/0x570 [ 263.690050] ? fuse_inode_eq+0x80/0x80 [ 263.693959] ? fuse_init_file_inode+0x70/0x70 [ 263.698479] ? inode_lru_isolate+0x580/0x580 [ 263.702904] ? cgwb_kill+0x630/0x630 [ 263.706645] ? print_usage_bug+0xc0/0xc0 [ 263.710732] fuse_iget+0x1cc/0x820 [ 263.714307] ? fuse_change_attributes+0x810/0x810 [ 263.719182] fuse_get_root_inode+0x121/0x190 [ 263.723598] ? fuse_iget+0x820/0x820 [ 263.727345] ? _raw_spin_unlock_bh+0x30/0x40 [ 263.731779] ? bdi_set_max_ratio+0x112/0x150 [ 263.736217] fuse_fill_super+0x11e0/0x1e20 [ 263.740498] ? fuse_get_root_inode+0x190/0x190 [ 263.745107] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 263.750151] ? kasan_check_read+0x11/0x20 2018/05/17 15:02:53 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r2 = dup2(r0, r1) ioctl$DRM_IOCTL_GET_STATS(r2, 0x80f86406, &(0x7f0000000100)=""/209) 2018/05/17 15:02:53 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0xff) r2 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r2, 0x0) 2018/05/17 15:02:53 executing program 1: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x20100, 0x0) pipe2(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80000) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0xdc, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffff4a8, 0x0, 0x0, 0x8000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x100000001, 0x0, @perf_bp, 0x4000000000000000}, 0x0, 0x0, r0, 0x0) ioctl$KVM_ASSIGN_PCI_DEVICE(r0, 0x8040ae69, &(0x7f00000000c0)={0x0, 0x81, 0x1, 0x4, 0x52}) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000140)=0xc) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000180)=0x0) kcmp(r3, r4, 0x2, r2, r2) openat$cgroup_int(r2, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) 2018/05/17 15:02:53 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) dup2(r0, r1) 2018/05/17 15:02:53 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000080)}, 0x20) [ 263.754329] ? cap_capable+0x1f9/0x260 [ 263.758245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.758596] loop6: partition table beyond EOD, [ 263.763790] ? security_capable+0x99/0xc0 [ 263.763824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.763844] ? ns_capable_common+0x13f/0x170 [ 263.763870] ? get_anon_bdev+0x2f0/0x2f0 [ 263.769165] truncated [ 263.773285] ? sget+0x113/0x150 [ 263.773309] ? fuse_get_root_inode+0x190/0x190 [ 263.773328] mount_nodev+0x6b/0x110 [ 263.773350] fuse_mount+0x2c/0x40 [ 263.778904] loop_reread_partitions: partition scan of loop6 () failed (rc=-5) [ 263.783275] mount_fs+0xae/0x328 [ 263.783309] vfs_kern_mount.part.34+0xd4/0x4d0 [ 263.819840] ? may_umount+0xb0/0xb0 [ 263.823472] ? _raw_read_unlock+0x22/0x30 [ 263.827609] ? __get_fs_type+0x97/0xc0 [ 263.831492] do_mount+0x564/0x3070 [ 263.835037] ? do_raw_spin_unlock+0x9e/0x2e0 [ 263.839457] ? copy_mount_string+0x40/0x40 [ 263.843698] ? rcu_pm_notify+0xc0/0xc0 [ 263.847604] ? copy_mount_options+0x5f/0x380 [ 263.852002] ? rcu_read_lock_sched_held+0x108/0x120 [ 263.857032] ? kmem_cache_alloc_trace+0x616/0x780 [ 263.861886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.867419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.872957] ? copy_mount_options+0x285/0x380 [ 263.877457] ksys_mount+0x12d/0x140 [ 263.881079] __x64_sys_mount+0xbe/0x150 [ 263.885056] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 263.890073] do_syscall_64+0x1b1/0x800 [ 263.893957] ? finish_task_switch+0x1ca/0x840 [ 263.898445] ? syscall_return_slowpath+0x5c0/0x5c0 [ 263.903381] ? syscall_return_slowpath+0x30f/0x5c0 [ 263.908311] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 263.913670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.918511] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 263.923694] RIP: 0033:0x455a09 [ 263.926870] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 263.934575] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 263.941835] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 263.949105] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 263.956362] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 263.963620] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 2018/05/17 15:02:55 executing program 0 (fault-call:2 fault-nth:78): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) syz_fuse_mount(&(0x7f0000000400)='./file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) 2018/05/17 15:02:55 executing program 5: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = fcntl$dupfd(r1, 0x506, r1) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000003c0)) r3 = getpgrp(0xffffffffffffffff) r4 = getpid() kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000340)={r2, r0, 0x6b8c}) openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt(r2, 0x6, 0x101, &(0x7f0000000400)=""/222, &(0x7f0000000500)=0xde) syz_read_part_table(0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000940)="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", 0x1fd, 0x3}]) clone(0x80000000, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) 2018/05/17 15:02:55 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) clock_nanosleep(0x2, 0x0, &(0x7f0000000080)={0x77359400}, &(0x7f0000000100)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x103000, 0x4) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f0000000180)={0x0, 0x1, [@dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xe}]}) syz_emit_ethernet(0x56, &(0x7f0000000300)=ANY=[@ANYBLOB="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"], 0x0) 2018/05/17 15:02:55 executing program 6: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = fcntl$dupfd(r1, 0x506, r1) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000003c0)) r3 = getpgrp(0xffffffffffffffff) r4 = getpid() kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000340)={r2, r0, 0x6b8c}) r5 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) getsockopt(r2, 0x6, 0x101, &(0x7f0000000400)=""/222, &(0x7f0000000500)=0xde) syz_read_part_table(0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000940)="141f50059ffd2d2fa0220bd7d2cb523c5dddce28cbb468a68ac8ac2f2a35b67128307cb8026991824729802b1a9990d226cde8ed9e7baffd56ee459c74065ba939736e45ddfeafeaac64d49f51c80983963d28d29db0426c8475d84982f59b516ad5804d40cf8692b257b42ea235ec2633ae8fbbcd0a6414329ef0fdc4a09ce4c400e46e2e2a5401d2e113a8d3b42c7742ad83df697b9b5eb650759df5c0051f8b43e45b111945d06f54ede03a904331dd67dd49381fc2845353a1778ce38a06d6ff36eeb2c943941df329f5d4aa979cf5c3d601d9a05adb13e4524ce3912caf102ff46e65e1e6be300ef22dd296532e30258ab1d2ef8ac08b64b28768d8592dd5e49d194eb6ba7c8008e4dc4d3cbb65d4a313a7138063503be076604c6a1078c3c2e317225a1572765215f6ad6a0af5d7841d037ff41ef68c6555c1e2a17cd0558a0ccfb13f45925e97e70500b36c4281b9854b95ee3d88da39efe77c44843b6bd2d62df7db8c1e2e95eeef4f3f5c18abe3e4485b858bd83c3459bf7406452b25d4900b97454d309698c8fe06e20204bbf6afd5b63c69060bce1eafb650eb509705bb11da719b6334b26e70cc79636ac31452269643a23d65388ab6b295164628d6e59186b2e4b768385746edf59de9a4aa63552dbec6f595dbccdbd03046acdb64449b8a98705514fd622d239ea4c77a284de04c022f3178ee554aa7", 0x1fd, 0x3}]) clone(0x80000000, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) openat$cgroup_type(r1, &(0x7f0000000280)='cgroup.type\x00', 0x2, 0x0) pwritev(r5, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:55 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = accept$ipx(0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000080)=0x10) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'vcan0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'bond0\x00', r2}) r3 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dsp\x00', 0x4100, 0x0) bind$unix(r3, &(0x7f0000000300)=@abs={0x1, 0x0, 0x4e20}, 0x6e) r4 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r4, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) 2018/05/17 15:02:55 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) socket$inet6(0xa, 0x400000000001, 0x0) r1 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r1, 0x0) 2018/05/17 15:02:55 executing program 4: r0 = semget$private(0x0, 0x4, 0x4c) semctl$IPC_RMID(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000100)='/dev/qat_adf_ctl\x00', 0x300, 0x0) ioctl$DRM_IOCTL_SET_MASTER(r2, 0x641e) ioctl$EVIOCSKEYCODE(r1, 0x40084504, &(0x7f0000000080)=[0x180000000, 0x4]) 2018/05/17 15:02:55 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) dup2(r0, r1) [ 265.200268] FAT-fs (loop0): bogus number of reserved sectors [ 265.205827] QAT: Invalid ioctl [ 265.206185] FAT-fs (loop0): Can't find a valid FAT filesystem [ 265.220630] Dev loop6: unable to read RDB block 1 [ 265.225633] loop6: unable to read partition table [ 265.240439] FAULT_INJECTION: forcing a failure. [ 265.240439] name failslab, interval 1, probability 0, space 0, times 0 [ 265.251770] CPU: 1 PID: 19974 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 265.259059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.268438] Call Trace: [ 265.271051] dump_stack+0x1b9/0x294 [ 265.274726] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.278155] QAT: Invalid ioctl [ 265.279932] ? perf_trace_lock_acquire+0xe3/0x980 [ 265.279974] should_fail.cold.4+0xa/0x1a [ 265.280003] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.280027] ? save_stack+0x43/0xd0 2018/05/17 15:02:55 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) dup2(r0, 0xffffffffffffffff) 2018/05/17 15:02:55 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000240)='cubic\x00', 0x6) r1 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r1, 0x0) 2018/05/17 15:02:55 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='\'/cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) pwritev(r1, &(0x7f0000001480)=[{&(0x7f00000000c0)='0', 0x1}], 0x1, 0x0) r2 = dup2(r1, r0) ioctl$sock_inet_sctp_SIOCINQ(r2, 0x541b, &(0x7f0000000040)) [ 265.280044] ? kasan_kmalloc+0xc4/0xe0 [ 265.280062] ? kmem_cache_alloc+0x12e/0x760 [ 265.309069] ? fuse_alloc_inode+0x96/0x4f0 [ 265.313324] ? alloc_inode+0x63/0x190 [ 265.317146] ? iget5_locked+0x20e/0x570 [ 265.321147] ? graph_lock+0x170/0x170 [ 265.324967] ? print_usage_bug+0xc0/0xc0 [ 265.329050] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 265.333913] ? do_mount+0x564/0x3070 [ 265.337649] ? __x64_sys_mount+0xbe/0x150 [ 265.341823] ? find_held_lock+0x36/0x1c0 [ 265.345922] ? __lock_is_held+0xb5/0x140 [ 265.350009] ? rpcrdma_reply_handler+0x16d0/0x1748 [ 265.354990] ? check_same_owner+0x320/0x320 [ 265.359332] ? __mutex_init+0x1ef/0x280 [ 265.363334] ? rcu_note_context_switch+0x710/0x710 [ 265.368286] ? __ia32_sys_membarrier+0x150/0x150 [ 265.373071] __should_failslab+0x124/0x180 [ 265.377329] should_failslab+0x9/0x14 [ 265.381147] kmem_cache_alloc_trace+0x2cb/0x780 [ 265.385833] ? init_wait_entry+0x1b0/0x1b0 [ 265.390085] ? find_held_lock+0x36/0x1c0 [ 265.394180] fuse_alloc_inode+0x3ae/0x4f0 2018/05/17 15:02:55 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0x20) fsync(r0) [ 265.398347] ? fuse_dev_alloc+0x4e0/0x4e0 [ 265.402508] ? lock_downgrade+0x8e0/0x8e0 [ 265.406698] ? kasan_check_read+0x11/0x20 [ 265.410864] ? do_raw_spin_unlock+0x9e/0x2e0 [ 265.415294] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 265.419905] ? kasan_check_write+0x14/0x20 [ 265.424160] ? find_inode.isra.19+0xc3/0x1d0 [ 265.428587] ? fuse_dev_alloc+0x4e0/0x4e0 [ 265.432757] alloc_inode+0x63/0x190 [ 265.436406] iget5_locked+0x20e/0x570 [ 265.440219] ? fuse_inode_eq+0x80/0x80 [ 265.444121] ? fuse_init_file_inode+0x70/0x70 2018/05/17 15:02:55 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0x3, 0x600000) setsockopt$sock_void(r0, 0x1, 0x1e, 0x0, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = msgget(0x3, 0x28) msgctl$MSG_INFO(r2, 0xc, &(0x7f0000000080)=""/179) r3 = openat$cgroup_int(r1, &(0x7f00000002c0)='cpuset.cpu_exclusive\x00', 0x2, 0x0) socket$nl_crypto(0x10, 0x3, 0x15) pwritev(r3, &(0x7f0000001480), 0x0, 0x0) 2018/05/17 15:02:55 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) openat$urandom(0xffffffffffffff9c, &(0x7f0000000200)='/dev/urandom\x00', 0x800, 0x0) r0 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r0, 0x0) 2018/05/17 15:02:55 executing program 2: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) dup2(0xffffffffffffffff, r0) [ 265.448642] ? inode_lru_isolate+0x580/0x580 [ 265.453062] ? cgwb_kill+0x630/0x630 [ 265.456798] ? print_usage_bug+0xc0/0xc0 [ 265.460884] fuse_iget+0x1cc/0x820 [ 265.464455] ? fuse_change_attributes+0x810/0x810 [ 265.469322] fuse_get_root_inode+0x121/0x190 [ 265.473743] ? fuse_iget+0x820/0x820 [ 265.477491] ? _raw_spin_unlock_bh+0x30/0x40 [ 265.481922] ? bdi_set_max_ratio+0x112/0x150 [ 265.486357] fuse_fill_super+0x11e0/0x1e20 [ 265.490631] ? fuse_get_root_inode+0x190/0x190 [ 265.495239] ? __alloc_pages_slowpath+0x2db0/0x2db0 2018/05/17 15:02:55 executing program 4: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000080), &(0x7f0000000300)}, 0xffffffffffffff70) [ 265.500287] ? kasan_check_read+0x11/0x20 [ 265.504458] ? cap_capable+0x1f9/0x260 [ 265.508377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.513937] ? security_capable+0x99/0xc0 [ 265.518114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.523670] ? ns_capable_common+0x13f/0x170 [ 265.528117] ? get_anon_bdev+0x2f0/0x2f0 [ 265.532196] ? sget+0x113/0x150 [ 265.535494] ? fuse_get_root_inode+0x190/0x190 [ 265.540096] mount_nodev+0x6b/0x110 [ 265.543744] fuse_mount+0x2c/0x40 [ 265.547221] mount_fs+0xae/0x328 [ 265.550616] vfs_kern_mount.part.34+0xd4/0x4d0 [ 265.555223] ? may_umount+0xb0/0xb0 [ 265.558870] ? _raw_read_unlock+0x22/0x30 [ 265.563034] ? __get_fs_type+0x97/0xc0 [ 265.566950] do_mount+0x564/0x3070 [ 265.570508] ? do_raw_spin_unlock+0x9e/0x2e0 [ 265.574942] ? copy_mount_string+0x40/0x40 [ 265.579194] ? rcu_pm_notify+0xc0/0xc0 [ 265.583115] ? copy_mount_options+0x5f/0x380 [ 265.587545] ? rcu_read_lock_sched_held+0x108/0x120 [ 265.592579] ? kmem_cache_alloc_trace+0x616/0x780 [ 265.597451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.603018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.608572] ? copy_mount_options+0x285/0x380 [ 265.613097] ksys_mount+0x12d/0x140 [ 265.616747] __x64_sys_mount+0xbe/0x150 [ 265.620739] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 265.625783] do_syscall_64+0x1b1/0x800 [ 265.629692] ? finish_task_switch+0x1ca/0x840 [ 265.634210] ? syscall_return_slowpath+0x5c0/0x5c0 [ 265.634488] loop6: partition table beyond EOD, [ 265.639154] ? syscall_return_slowpath+0x30f/0x5c0 [ 265.639184] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 265.639215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.639248] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 265.639264] RIP: 0033:0x455a09 [ 265.639275] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 265.639294] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 265.639311] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 265.644033] truncated [ 265.648895] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 265.648906] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.648917] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 265.714684] loop_reread_partitions: partition scan of loop6 () failed (rc=-5) [ 265.724163] Dev loop5: unable to read RDB block 1 [ 265.729144] loop5: unable to read partition table [ 265.744884] loop5: partition table beyond EOD, truncated [ 265.750609] loop_reread_partitions: partition scan of loop5 () failed (rc=-5) [ 265.761160] ================================================================== [ 265.768562] BUG: KASAN: use-after-free in perf_trace_lock_acquire+0x652/0x980 [ 265.775851] Read of size 8 at addr ffff8801872e1520 by task syz-executor0/19974 [ 265.783283] [ 265.784912] CPU: 0 PID: 19974 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #54 [ 265.792177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.801518] Call Trace: [ 265.804116] dump_stack+0x1b9/0x294 [ 265.807744] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.812931] ? printk+0x9e/0xba [ 265.816209] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 265.820964] ? kasan_check_write+0x14/0x20 [ 265.825285] print_address_description+0x6c/0x20b [ 265.830180] ? perf_trace_lock_acquire+0x652/0x980 [ 265.835112] kasan_report.cold.7+0x242/0x2fe [ 265.839519] __asan_report_load8_noabort+0x14/0x20 [ 265.844457] perf_trace_lock_acquire+0x652/0x980 [ 265.849207] ? perf_trace_lock+0x900/0x900 [ 265.853435] ? save_stack+0x43/0xd0 [ 265.857056] ? __kasan_slab_free+0x11a/0x170 [ 265.861462] ? kasan_slab_free+0xe/0x10 [ 265.865429] ? kfree+0xd9/0x260 [ 265.868706] ? unregister_shrinker+0x216/0x3a0 [ 265.873283] ? deactivate_locked_super+0x70/0x100 [ 265.878118] ? mount_nodev+0xfa/0x110 [ 265.881912] ? fuse_mount+0x2c/0x40 [ 265.885533] ? mount_fs+0xae/0x328 [ 265.889071] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 265.893819] ? do_mount+0x564/0x3070 [ 265.897527] ? ksys_mount+0x12d/0x140 [ 265.901326] ? graph_lock+0x170/0x170 [ 265.905121] ? kasan_check_read+0x11/0x20 [ 265.909268] ? do_raw_spin_unlock+0x9e/0x2e0 [ 265.913672] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 265.918249] ? print_usage_bug+0xc0/0xc0 [ 265.922330] ? kasan_check_write+0x14/0x20 [ 265.926564] ? do_raw_spin_lock+0xc1/0x200 [ 265.931400] ? __lock_is_held+0xb5/0x140 [ 265.935456] lock_acquire+0x38e/0x520 [ 265.939253] ? fuse_kill_sb_anon+0x50/0xb0 [ 265.943481] ? lock_release+0xa10/0xa10 [ 265.947467] ? quarantine_put+0xeb/0x190 [ 265.951525] ? rcu_note_context_switch+0x710/0x710 [ 265.956446] ? unregister_shrinker+0x216/0x3a0 [ 265.961028] ? __might_sleep+0x95/0x190 [ 265.964999] down_write+0x87/0x120 [ 265.968536] ? fuse_kill_sb_anon+0x50/0xb0 [ 265.972765] ? down_read+0x1b0/0x1b0 [ 265.976474] ? perf_trace_mm_vmscan_writepage+0x750/0x750 [ 265.982006] fuse_kill_sb_anon+0x50/0xb0 [ 265.986065] deactivate_locked_super+0x97/0x100 [ 265.990744] ? fuse_get_root_inode+0x190/0x190 [ 265.995325] mount_nodev+0xfa/0x110 [ 265.998948] fuse_mount+0x2c/0x40 [ 266.002396] mount_fs+0xae/0x328 [ 266.005760] vfs_kern_mount.part.34+0xd4/0x4d0 [ 266.010337] ? may_umount+0xb0/0xb0 [ 266.013963] ? _raw_read_unlock+0x22/0x30 [ 266.018110] ? __get_fs_type+0x97/0xc0 [ 266.021997] do_mount+0x564/0x3070 [ 266.025539] ? do_raw_spin_unlock+0x9e/0x2e0 [ 266.029943] ? copy_mount_string+0x40/0x40 [ 266.034176] ? rcu_pm_notify+0xc0/0xc0 [ 266.038064] ? copy_mount_options+0x5f/0x380 [ 266.042467] ? rcu_read_lock_sched_held+0x108/0x120 [ 266.047478] ? kmem_cache_alloc_trace+0x616/0x780 [ 266.052320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.057858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.063391] ? copy_mount_options+0x285/0x380 [ 266.067910] ksys_mount+0x12d/0x140 [ 266.071534] __x64_sys_mount+0xbe/0x150 [ 266.075503] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 266.080518] do_syscall_64+0x1b1/0x800 [ 266.084403] ? finish_task_switch+0x1ca/0x840 [ 266.088897] ? syscall_return_slowpath+0x5c0/0x5c0 [ 266.093823] ? syscall_return_slowpath+0x30f/0x5c0 [ 266.098751] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 266.104202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.109042] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 266.114222] RIP: 0033:0x455a09 [ 266.117402] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 266.125109] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 266.132373] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 266.139634] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 266.146894] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 266.154164] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 266.161425] [ 266.163047] Allocated by task 19974: [ 266.166761] save_stack+0x43/0xd0 [ 266.170214] kasan_kmalloc+0xc4/0xe0 [ 266.173922] kmem_cache_alloc_trace+0x152/0x780 [ 266.178587] fuse_fill_super+0xc92/0x1e20 [ 266.182732] mount_nodev+0x6b/0x110 [ 266.186352] fuse_mount+0x2c/0x40 [ 266.189798] mount_fs+0xae/0x328 [ 266.193166] vfs_kern_mount.part.34+0xd4/0x4d0 [ 266.197742] do_mount+0x564/0x3070 [ 266.201277] ksys_mount+0x12d/0x140 [ 266.204906] __x64_sys_mount+0xbe/0x150 [ 266.208876] do_syscall_64+0x1b1/0x800 [ 266.212761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 266.217935] [ 266.219553] Freed by task 2387: [ 266.222830] save_stack+0x43/0xd0 [ 266.226280] __kasan_slab_free+0x11a/0x170 [ 266.230513] kasan_slab_free+0xe/0x10 [ 266.234307] kfree+0xd9/0x260 [ 266.237408] rcu_process_callbacks+0xa69/0x15f0 [ 266.242077] __do_softirq+0x2e0/0xaf5 [ 266.245860] [ 266.247483] The buggy address belongs to the object at ffff8801872e1240 [ 266.247483] which belongs to the cache kmalloc-1024 of size 1024 [ 266.260310] The buggy address is located 736 bytes inside of [ 266.260310] 1024-byte region [ffff8801872e1240, ffff8801872e1640) [ 266.272261] The buggy address belongs to the page: [ 266.277185] page:ffffea00061cb800 count:1 mapcount:0 mapping:ffff8801872e0040 index:0x0 compound_mapcount: 0 [ 266.287151] flags: 0x2fffc0000008100(slab|head) [ 266.291820] raw: 02fffc0000008100 ffff8801872e0040 0000000000000000 0000000100000007 [ 266.299701] raw: ffffea0006ab5320 ffffea0006bb09a0 ffff8801da800ac0 0000000000000000 [ 266.307568] page dumped because: kasan: bad access detected [ 266.313262] [ 266.314878] Memory state around the buggy address: [ 266.319803] ffff8801872e1400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 266.327157] ffff8801872e1480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 266.334508] >ffff8801872e1500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 266.341851] ^ [ 266.346252] ffff8801872e1580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 266.353604] ffff8801872e1600: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 266.360948] ================================================================== [ 266.368291] Disabling lock debugging due to kernel taint [ 266.373729] Kernel panic - not syncing: panic_on_warn set ... [ 266.373729] [ 266.381096] CPU: 0 PID: 19974 Comm: syz-executor0 Tainted: G B 4.17.0-rc5+ #54 [ 266.389751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.399090] Call Trace: [ 266.401679] dump_stack+0x1b9/0x294 [ 266.405304] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.410490] ? lock_downgrade+0x8e0/0x8e0 [ 266.414635] ? vprintk_default+0x28/0x30 [ 266.418691] ? perf_trace_lock_acquire+0x5e0/0x980 [ 266.423611] panic+0x22f/0x4de [ 266.426798] ? add_taint.cold.5+0x16/0x16 [ 266.430941] ? add_taint.cold.5+0x5/0x16 [ 266.434997] ? do_raw_spin_unlock+0x9e/0x2e0 [ 266.439401] ? perf_trace_lock_acquire+0x652/0x980 [ 266.444329] kasan_end_report+0x47/0x4f [ 266.448300] kasan_report.cold.7+0x76/0x2fe [ 266.452620] __asan_report_load8_noabort+0x14/0x20 [ 266.457545] perf_trace_lock_acquire+0x652/0x980 [ 266.462301] ? perf_trace_lock+0x900/0x900 [ 266.466530] ? save_stack+0x43/0xd0 [ 266.470152] ? __kasan_slab_free+0x11a/0x170 [ 266.474558] ? kasan_slab_free+0xe/0x10 [ 266.478526] ? kfree+0xd9/0x260 [ 266.481802] ? unregister_shrinker+0x216/0x3a0 [ 266.486380] ? deactivate_locked_super+0x70/0x100 [ 266.491218] ? mount_nodev+0xfa/0x110 [ 266.495012] ? fuse_mount+0x2c/0x40 [ 266.498634] ? mount_fs+0xae/0x328 [ 266.502169] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 266.506917] ? do_mount+0x564/0x3070 [ 266.510623] ? ksys_mount+0x12d/0x140 [ 266.514417] ? graph_lock+0x170/0x170 [ 266.518216] ? kasan_check_read+0x11/0x20 [ 266.522359] ? do_raw_spin_unlock+0x9e/0x2e0 [ 266.526762] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 266.531339] ? print_usage_bug+0xc0/0xc0 [ 266.535397] ? kasan_check_write+0x14/0x20 [ 266.539625] ? do_raw_spin_lock+0xc1/0x200 [ 266.543855] ? __lock_is_held+0xb5/0x140 [ 266.547911] lock_acquire+0x38e/0x520 [ 266.551706] ? fuse_kill_sb_anon+0x50/0xb0 [ 266.555938] ? lock_release+0xa10/0xa10 [ 266.559902] ? quarantine_put+0xeb/0x190 [ 266.563960] ? rcu_note_context_switch+0x710/0x710 [ 266.568882] ? unregister_shrinker+0x216/0x3a0 [ 266.573461] ? __might_sleep+0x95/0x190 [ 266.577432] down_write+0x87/0x120 [ 266.580964] ? fuse_kill_sb_anon+0x50/0xb0 [ 266.585194] ? down_read+0x1b0/0x1b0 [ 266.588901] ? perf_trace_mm_vmscan_writepage+0x750/0x750 [ 266.594436] fuse_kill_sb_anon+0x50/0xb0 [ 266.598494] deactivate_locked_super+0x97/0x100 [ 266.603156] ? fuse_get_root_inode+0x190/0x190 [ 266.607731] mount_nodev+0xfa/0x110 [ 266.611351] fuse_mount+0x2c/0x40 [ 266.614801] mount_fs+0xae/0x328 [ 266.618164] vfs_kern_mount.part.34+0xd4/0x4d0 [ 266.622737] ? may_umount+0xb0/0xb0 [ 266.626362] ? _raw_read_unlock+0x22/0x30 [ 266.630500] ? __get_fs_type+0x97/0xc0 [ 266.634383] do_mount+0x564/0x3070 [ 266.637920] ? do_raw_spin_unlock+0x9e/0x2e0 [ 266.642326] ? copy_mount_string+0x40/0x40 [ 266.646564] ? rcu_pm_notify+0xc0/0xc0 [ 266.650449] ? copy_mount_options+0x5f/0x380 [ 266.654850] ? rcu_read_lock_sched_held+0x108/0x120 [ 266.659861] ? kmem_cache_alloc_trace+0x616/0x780 [ 266.664703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.670236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.675767] ? copy_mount_options+0x285/0x380 [ 266.680256] ksys_mount+0x12d/0x140 [ 266.683876] __x64_sys_mount+0xbe/0x150 [ 266.687842] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 266.692854] do_syscall_64+0x1b1/0x800 [ 266.696735] ? finish_task_switch+0x1ca/0x840 [ 266.701224] ? syscall_return_slowpath+0x5c0/0x5c0 [ 266.706147] ? syscall_return_slowpath+0x30f/0x5c0 [ 266.711071] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 266.716437] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.721280] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 266.726466] RIP: 0033:0x455a09 [ 266.729650] RSP: 002b:00007f468602c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 266.737351] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000455a09 [ 266.744612] RDX: 00000000004c1eb6 RSI: 0000000020000400 RDI: 00000000004de0c5 [ 266.751872] RBP: 0000000000000000 R08: 00007f468602c820 R09: 0000000000000000 [ 266.759137] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 266.766408] R13: 0000000020000400 R14: 0000000000000000 R15: 0000000000000000 [ 266.774137] Dumping ftrace buffer: [ 266.777668] (ftrace buffer empty) [ 266.781354] Kernel Offset: disabled [ 266.784955] Rebooting in 86400 seconds..