0x0, 0x0, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000ffc000/0x4000)=nil) r1 = dup2(r0, r0) ioctl$LOOP_GET_STATUS(r1, 0x4c03, &(0x7f0000000340)) r2 = syz_open_dev$sndmidi(&(0x7f0000000400)='/dev/snd/midiC#D#\x00', 0x804, 0x308ffc) ioctl$DRM_IOCTL_GET_CAP(r2, 0xc010640c, &(0x7f0000000280)={0x2, 0xfffffffffffffffd}) setsockopt$inet6_mtu(r2, 0x29, 0x17, &(0x7f0000000000)=0x7, 0x4) fcntl$F_SET_RW_HINT(r2, 0x40c, &(0x7f0000000300)) write$vnet(r2, &(0x7f0000000200)={0x1, {&(0x7f0000000040)=""/234, 0xea, &(0x7f0000000140)=""/157, 0x3, 0x7}}, 0x68) mremap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1000, 0x3, &(0x7f0000ffe000/0x1000)=nil) syz_open_dev$sndmidi(&(0x7f00000002c0)='/dev/snd/midiC#D#\x00', 0x800000, 0x40001) [ 864.672175] FAULT_INJECTION: forcing a failure. [ 864.672175] name failslab, interval 1, probability 0, space 0, times 0 [ 864.683460] CPU: 1 PID: 21573 Comm: syz-executor6 Not tainted 4.16.0-rc7+ #284 [ 864.690818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 864.700166] Call Trace: [ 864.702754] dump_stack+0x194/0x24d [ 864.706387] ? arch_local_irq_restore+0x53/0x53 [ 864.711059] ? compat_start_thread+0x80/0x80 [ 864.715471] should_fail+0x8c0/0xa40 [ 864.719191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 864.724295] ? copy_overflow+0x20/0x20 [ 864.728196] ? find_held_lock+0x35/0x1d0 [ 864.732277] ? check_same_owner+0x320/0x320 [ 864.736605] ? rcu_note_context_switch+0x710/0x710 [ 864.741548] should_failslab+0xec/0x120 [ 864.745524] kmem_cache_alloc+0x47/0x760 [ 864.749589] ? wait_for_completion+0x770/0x770 [ 864.754180] getname_flags+0xcb/0x580 [ 864.757982] ? __schedule+0x1ec0/0x1ec0 [ 864.761967] do_rmdir+0xd2/0x5f0 [ 864.765340] ? user_path_create+0x40/0x40 [ 864.769485] ? __sb_end_write+0xa0/0xd0 [ 864.773462] ? exit_to_usermode_loop+0x8c/0x2f0 [ 864.778138] ? trace_hardirqs_off+0xd/0x10 [ 864.782384] ? exit_to_usermode_loop+0x198/0x2f0 [ 864.787140] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 864.792682] SyS_unlinkat+0x67/0x90 [ 864.796921] ? do_unlinkat+0x940/0x940 [ 864.800820] do_fast_syscall_32+0x3ec/0xf9f [ 864.805156] ? do_int80_syscall_32+0x9c0/0x9c0 [ 864.809734] ? _raw_spin_unlock_irq+0x27/0x70 [ 864.814221] ? finish_task_switch+0x1c1/0x7e0 [ 864.818706] ? syscall_return_slowpath+0x2ac/0x550 [ 864.823622] ? prepare_exit_to_usermode+0x350/0x350 [ 864.828629] ? sysret32_from_system_call+0x5/0x3c [ 864.833459] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 864.838283] entry_SYSENTER_compat+0x70/0x7f [ 864.842703] RIP: 0023:0xf7fa7c99 [ 864.846046] RSP: 002b:00000000f5fa30ac EFLAGS: 00000282 ORIG_RAX: 000000000000012d [ 864.853745] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 0000000020000080 [ 864.860997] RDX: 0000000000000200 RSI: 0000000000000000 RDI: 0000000000000000 2018/03/31 21:05:45 executing program 4: rt_sigprocmask(0x0, &(0x7f0000032ff8)={0xfffffffff7fffffe}, 0x0, 0x8) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffff9c, &(0x7f00000003c0)={&(0x7f0000000080)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, 0x80, &(0x7f0000000300)=[{&(0x7f0000000100)=""/6, 0x6}, {&(0x7f0000000140)=""/132, 0x84}, {&(0x7f0000000200)=""/49, 0x31}, {&(0x7f0000000240)=""/185, 0xb9}], 0x4, &(0x7f0000000340)=""/95, 0x5f, 0xfffffffffffff001}, 0x20) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r0, 0x29, 0xd2, &(0x7f0000000400)={{0xa, 0x4e23, 0x7f, @empty, 0x8}, {0xa, 0x4e21, 0xff, @local={0xfe, 0x80, [], 0xaa}, 0x9}, 0xdcf, [0x95f, 0x0, 0x0, 0x0, 0x7, 0x6, 0x9, 0xffffffff00000001]}, 0x5c) setrlimit(0x1, &(0x7f0000011000)) add_key(&(0x7f00000ff000)='big_key\x00', &(0x7f0000281000)={0x73, 0x79, 0x7a}, &(0x7f0000281000)="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", 0x4d1, 0xfffffffffffffffb) syz_open_dev$mouse(&(0x7f0000000040)='/dev/input/mouse#\x00', 0x0, 0x0) 2018/03/31 21:05:45 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x200000, 0x0) ioctl$KVM_SET_LAPIC(r0, 0x4400ae8f, &(0x7f0000000380)={"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"}) r1 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r1, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:05:45 executing program 2: r0 = add_key$user(&(0x7f00000001c0)='user\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x3}, &(0x7f00000000c0)="47d2f2127359e846a3119315c9afa8698ae7b2a7b854ffcf8c75a09d7e90d842c997a80ed6094db35ec6df65f689924a77feee91a6124d17a36779b05a332e1c395fe6daf06beac4ab5ac0b29a5c0a7612d8f6a7ecc46d5ff099b328c52549cc43dd44e13807605eb8ca328d72ffa9f096707596ddeeacd8afb394e321cd812d40094ca444b864a693b364af55fa6ff52922e786fc0c1ebb520852ab082587afd62f00bc5792f1963c5d6b6d5a3d75c583fbbb803e00bd7b604b0e7e1159150954888ce0d310db426ef3d838154fdc58b3755b20d2dc6a767929c00e918e", 0xde, 0xfffffffffffffffb) r1 = request_key(&(0x7f0000000200)='big_key\x00', &(0x7f0000000240)={0x73, 0x79, 0x7a}, &(0x7f0000000280)='posix_acl_access6\x00', 0xffffffffffffffff) add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, r1) keyctl$set_timeout(0xf, r0, 0x100000000) r2 = syz_open_dev$amidi(&(0x7f00000002c0)='/dev/amidi#\x00', 0x5, 0x10000) ioctl$KVM_SET_TSC_KHZ(r2, 0xaea2, 0x401) r3 = dup(0xffffffffffffffff) ioctl$VT_GETSTATE(r3, 0x5603, &(0x7f0000000380)={0x1, 0x7, 0x80000001}) r4 = socket$inet_udp(0x2, 0x2, 0x0) fchmod(r4, 0xa) keyctl$restrict_keyring(0x1d, r1, &(0x7f0000000040)='ceph\x00', &(0x7f00000003c0)="871bfdbceb585d6a") perf_event_open(&(0x7f000001d000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1003, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet_int(r4, 0x0, 0x1, &(0x7f0000000000), 0x4) 2018/03/31 21:05:45 executing program 5: r0 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x0, 0x0) ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, &(0x7f0000000080)=""/50) perf_event_open(&(0x7f0000d2af88)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = epoll_create(0x20) fcntl$notify(r1, 0x0, 0x2a2) pselect6(0xfe13, &(0x7f0000000680), &(0x7f00000002c0), &(0x7f0000000300), &(0x7f0000000380), &(0x7f0000000000)={&(0x7f00000003c0), 0x8}) [ 864.868261] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 864.875507] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 864.882754] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/03/31 21:05:45 executing program 2: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x200000, 0x0) ioctl$PIO_UNISCRNMAP(r0, 0x4b6a, &(0x7f0000000100)="a48c20c2c4b89868c282f99be878d5f1c023983d305aecf874e9737a4f10f0bc082c3c1447017bf5dad74b0aebeda6b3c648c1c072a18a5c64fa296564f792e061098ba0a2b938a5ca4cbb38563f79ad52ef4ffb992b8903294935777d613f7ffed20e083f0c59f7aad8723b3b329fb56a652ece9b1409cc28631213e5e05f60c9") r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000bbfff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCGETD(r1, 0x80045432, &(0x7f00000001c0)) ioctl$KVM_SET_XCRS(r0, 0x4188aea7, &(0x7f0000000440)=ANY=[@ANYRES16=r1]) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r0, 0x800443d2, &(0x7f0000000200)={0xa, &(0x7f0000000480)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}]}) fcntl$getownex(r1, 0x10, &(0x7f0000000400)) r2 = fcntl$getown(r1, 0x9) ptrace$getregset(0x4204, r2, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=""/229, 0xe5}) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(0xffffffffffffffff, 0x111, 0x4, 0x0, 0x4) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000080)="8d5109a1a73209c9b9654a40ce28256dd7761820d56192166d92bf75ef80", 0x1e}], 0x1, 0xa) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x20000, 0x0) 2018/03/31 21:05:45 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") mkdir(&(0x7f0000cb3ff8)='./file0\x00', 0x0) chroot(&(0x7f0000000040)='./file0\x00') mount(&(0x7f00005b9ff8)='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='sockfs\x00', 0x1000, 0x0) chdir(&(0x7f0000cd2ff8)='./file0\x00') symlink(&(0x7f0000ed6ffe)='..', &(0x7f0000000040)='../file0\x00') umount2(&(0x7f0000000000)='../file0\x00', 0x2) mount(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='..', &(0x7f00000001c0)='cgroup2\x00', 0x11004, &(0x7f0000000200)) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000000)=0x0) ioctl$KVM_TPR_ACCESS_REPORTING(r0, 0xc028ae92, &(0x7f0000000140)={0xfffffffffffffffb, 0xfffffffffffffe00}) recvfrom$unix(r0, &(0x7f0000000380)=""/4096, 0x1000, 0x2002, &(0x7f0000001380)=@file={0x0, './file0\x00'}, 0x6e) stat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$DRM_IOCTL_GET_CLIENT(r0, 0xc0186405, &(0x7f0000000100)={0x80, 0x7fffffff, r1, 0xfffffffffffff481, r2, 0x0, 0x8, 0x6}) 2018/03/31 21:05:45 executing program 1 (fault-call:6 fault-nth:9): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) [ 865.000256] FAULT_INJECTION: forcing a failure. [ 865.000256] name failslab, interval 1, probability 0, space 0, times 0 [ 865.011626] CPU: 0 PID: 21607 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 865.018996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 865.028374] Call Trace: [ 865.030951] dump_stack+0x194/0x24d [ 865.034567] ? arch_local_irq_restore+0x53/0x53 [ 865.039233] should_fail+0x8c0/0xa40 [ 865.042934] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 865.048025] ? kernfs_add_one+0x50/0x450 [ 865.052072] ? kernfs_add_one+0x50/0x450 [ 865.056120] ? trace_hardirqs_off+0x10/0x10 [ 865.060426] ? find_held_lock+0x35/0x1d0 [ 865.064482] ? __lock_is_held+0xb6/0x140 [ 865.068540] ? check_same_owner+0x320/0x320 [ 865.072845] ? lock_downgrade+0x980/0x980 [ 865.076979] ? rcu_note_context_switch+0x710/0x710 [ 865.081900] should_failslab+0xec/0x120 [ 865.085857] __kmalloc_track_caller+0x5f/0x760 [ 865.090423] ? idr_alloc_cyclic+0x1d6/0x320 [ 865.094732] ? kstrdup_const+0x39/0x50 [ 865.098603] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 865.103430] kstrdup+0x39/0x70 [ 865.106611] kstrdup_const+0x39/0x50 [ 865.110306] __kernfs_new_node+0xa2/0x570 [ 865.114442] ? kernfs_dop_revalidate+0x380/0x380 [ 865.119181] ? find_held_lock+0x35/0x1d0 [ 865.123229] ? kasan_check_read+0x11/0x20 [ 865.127356] ? read_word_at_a_time+0x12/0x20 [ 865.131742] ? strscpy+0x186/0x500 [ 865.135279] kernfs_new_node+0x80/0xe0 [ 865.139151] __kernfs_create_file+0x4b/0x320 [ 865.143547] cgroup_addrm_files+0x3c5/0xa70 [ 865.147859] ? cgroup_file_write+0x710/0x710 [ 865.152249] ? __getnstimeofday64+0x317/0x470 [ 865.156728] ? getrawmonotonic64+0x460/0x460 [ 865.161122] ? kernfs_active+0x92/0x160 [ 865.165081] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 865.169993] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 865.174472] ? cgroup_file_name+0x1d0/0x1d0 [ 865.178781] css_populate_dir+0x340/0x420 [ 865.182916] cgroup_mkdir+0x553/0xfc0 [ 865.186708] ? __lock_is_held+0xb6/0x140 [ 865.190757] ? cgroup_destroy_locked+0x750/0x750 [ 865.195495] ? rcu_read_lock_sched_held+0x108/0x120 [ 865.200505] ? kmem_cache_free+0x258/0x2a0 [ 865.204724] ? set_nlink+0xc1/0x160 [ 865.208335] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 865.213244] ? generic_permission+0x105/0x3c0 [ 865.217748] ? cgroup_destroy_locked+0x750/0x750 [ 865.222489] kernfs_iop_mkdir+0x153/0x1e0 [ 865.226621] vfs_mkdir+0x390/0x600 [ 865.230145] SyS_mkdirat+0x22b/0x2b0 [ 865.233843] ? SyS_mknod+0x480/0x480 [ 865.237541] ? do_fast_syscall_32+0x156/0xf9f [ 865.242027] ? SyS_mknod+0x480/0x480 [ 865.245723] do_fast_syscall_32+0x3ec/0xf9f [ 865.250036] ? do_int80_syscall_32+0x9c0/0x9c0 [ 865.254599] ? _raw_spin_unlock_irq+0x27/0x70 [ 865.259074] ? finish_task_switch+0x1c1/0x7e0 [ 865.263564] ? syscall_return_slowpath+0x2ac/0x550 [ 865.268476] ? prepare_exit_to_usermode+0x350/0x350 [ 865.273474] ? sysret32_from_system_call+0x5/0x3c [ 865.278301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 865.283129] entry_SYSENTER_compat+0x70/0x7f [ 865.287518] RIP: 0023:0xf7faec99 [ 865.290860] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 865.298549] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 865.305798] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 865.313047] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 865.320295] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 865.327545] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 865.335734] cgroup: cgroup_addrm_files: failed to add cgroup.procs, err=-12 2018/03/31 21:05:45 executing program 6 (fault-call:4 fault-nth:1): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:05:45 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) recvmmsg(r0, &(0x7f0000000740)=[{{0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000040)=""/227}, {&(0x7f0000000140)=""/188}, {&(0x7f0000000200)=""/233}, {&(0x7f0000000300)=""/96}, {&(0x7f0000000380)=""/80}, {&(0x7f0000000400)=""/195}, {&(0x7f0000000500)=""/28}, {&(0x7f0000000540)=""/11}, {&(0x7f0000000580)=""/117}], 0x0, &(0x7f0000000680)=""/149}}], 0x30c, 0x2, 0x0) getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000000), &(0x7f0000000780)=0x40) bind$inet(r0, &(0x7f000000f000)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) recvmmsg(0xffffffffffffffff, &(0x7f0000004c00)=[{{&(0x7f0000001c40)=@ipx, 0x80, &(0x7f0000002280)=[{&(0x7f0000001d80)=""/199, 0xc7}, {&(0x7f0000001e80)=""/135, 0x87}, {&(0x7f0000002040)=""/216, 0xd8}, {&(0x7f0000001f40)=""/151, 0x97}, {&(0x7f0000002140)=""/139, 0x8b}, {&(0x7f0000002200)=""/113, 0x71}], 0x6, &(0x7f00000022c0)=""/52, 0x34}}], 0x1, 0x0, &(0x7f0000004c80)={0x77359400}) sendto$inet(r0, &(0x7f0000004000), 0x33f, 0x0, &(0x7f0000002000)={0x2, 0x4e23}, 0x10) 2018/03/31 21:05:45 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/igmp\x00') preadv(r0, &(0x7f00000007c0)=[{&(0x7f0000000480)=""/60, 0x3c}, {&(0x7f00000004c0)=""/243, 0xf3}, {&(0x7f00000005c0)=""/85, 0x55}, {&(0x7f0000000640)=""/214, 0xd6}, {&(0x7f0000000740)=""/118, 0x76}], 0x5, 0x0) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000040)=0x1f, 0x4) 2018/03/31 21:05:45 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="2f657865000000000000d50fef7afaf807e3c2f98d0d02812e3ca05fc31e623a2a051fc20fa5a02d84267a0067ac78b8ed1ee48d8097f99d3188a59818771e21974fc3d02efdabd0512782c2474e0a8c17538091e53bdc54aa574b0615a98c9046beb56b8bb5744fcc54b400dec854d2da9efbbdf5e4c75fae864cc0fce7514c133f17a1b93b735d3d5b3e10b683128034ec6e19ed879a810a401f95b9860b41b3b8683ac1b6f21c21769cbd07a9b0f2ab9711ecaaf67a7a74beef377c60b435f3eee826d174ca7516e89abcebd589104d80402accdc8d7ae101c57bbc26c33df519152ef8daf388b20fbc8c55cdb7d471a822531e7d7b88bbb269d72051d9f92d569935ce2b387f9e30fabf336e53827a8bdd4f7c3fba515ade98e68d965b0a52ec80d74eebb4c2904be489d2d473dab9f302545f6fd2973979092a404bdee5aad5d3eb20cb69f2e8c01eab7fbf98463fcdeb034f041dbd1cd779e40828d9db22f3e839a3f58a0e6ac2312fb1f95ffb6e97c6cc55353b7301984f08f9ca247456b5628692d5e443455794a27c4b194226b60a3b19bf09a2595e1d5aa5eb62934533af467d7de9c30c5f7b4db1f048c64587b71b2be65c78") fgetxattr(r0, &(0x7f00000001c0)=@known='com.apple.FinderInfo\x00', &(0x7f0000000100)=""/159, 0x236d) 2018/03/31 21:05:45 executing program 3: pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffff9c, 0x84, 0xf, &(0x7f0000000040)={0x0, @in6={{0xa, 0x4e22, 0x400, @dev={0xfe, 0x80, [], 0x12}, 0x2}}, 0x0, 0xc8a, 0x8, 0x6, 0x3ff}, &(0x7f0000000100)=0x98) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000140)={r1, 0x7, 0x0, 0x8}, &(0x7f0000000180)=0x18) fchdir(0xffffffffffffffff) perf_event_open(&(0x7f0000220000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000e84000)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) ioctl$KVM_CREATE_PIT2(r3, 0x4040ae77, &(0x7f0000516000)) ioctl$KVM_SET_PIT(r3, 0x8048ae66, &(0x7f000074af90)={[{0x7}]}) sysfs$3(0x3) ioctl$KVM_SET_PIT(r3, 0x8048ae66, &(0x7f0000001000)) 2018/03/31 21:05:45 executing program 1 (fault-call:6 fault-nth:10): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:45 executing program 4: r0 = socket(0x11, 0x3, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={"696662300000000000000000d9a2fb18", 0x14013}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000140)={0x0, 0x0, 0x0}, &(0x7f0000000180)=0xc) ioctl$TUNSETGROUP(r1, 0x400454ce, r2) setsockopt$netrom_NETROM_IDLE(r1, 0x103, 0x7, &(0x7f0000000000)=0x1fa9, 0x4) 2018/03/31 21:05:45 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xca98, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$tun(&(0x7f0000000100)='/dev/net/tun\x00', 0x0, 0x0) perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x400000, 0x0, 0x1, 0x0, 0x0, 0x8000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) lsetxattr(&(0x7f0000712ff8)='./file0\x00', &(0x7f0000faffe7)=@known='security.capability\x00', &(0x7f00002b2fec)="0000000201000000000000010400000000000000", 0x14, 0x0) getxattr(&(0x7f0000586ff8)='./file0\x00', &(0x7f0000000080)=@known='security.capability\x00', &(0x7f0000a2af87)=""/121, 0x79) sendto$inet(0xffffffffffffffff, &(0x7f00000000c0), 0x0, 0x0, &(0x7f0000000180)={0x2}, 0x10) getxattr(&(0x7f0000000140)='./file0\x00', &(0x7f00000002c0)=@known='system.posix_acl_access\x00', &(0x7f0000000300)=""/23, 0x17) r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000340)='/proc/self/net/pfkey\x00', 0x0, 0x0) ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000003c0)=@add_del={0x2, &(0x7f0000000380)='erspan0\x00', 0x1400000000}) getxattr(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)=@known='security.capability\x00', &(0x7f00000001c0)=""/201, 0xc9) [ 865.486094] FAULT_INJECTION: forcing a failure. [ 865.486094] name failslab, interval 1, probability 0, space 0, times 0 [ 865.497443] CPU: 0 PID: 21626 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 865.504805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 865.514162] Call Trace: [ 865.516762] dump_stack+0x194/0x24d [ 865.520403] ? arch_local_irq_restore+0x53/0x53 [ 865.525107] should_fail+0x8c0/0xa40 [ 865.528828] ? kstrdup+0x39/0x70 [ 865.532202] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 865.537294] ? cgroup_mkdir+0x553/0xfc0 [ 865.541255] ? vfs_mkdir+0x390/0x600 [ 865.544953] ? SyS_mkdirat+0x22b/0x2b0 [ 865.548826] ? do_fast_syscall_32+0x3ec/0xf9f [ 865.553313] ? find_held_lock+0x35/0x1d0 [ 865.557366] ? find_held_lock+0x35/0x1d0 [ 865.561414] ? __lock_is_held+0xb6/0x140 [ 865.565483] ? check_same_owner+0x320/0x320 [ 865.569790] ? rcu_note_context_switch+0x710/0x710 [ 865.574704] ? rcu_read_lock_sched_held+0x108/0x120 [ 865.579724] should_failslab+0xec/0x120 [ 865.583693] kmem_cache_alloc+0x47/0x760 [ 865.587737] ? memcpy+0x45/0x50 [ 865.591004] ? kstrdup+0x59/0x70 [ 865.594361] __kernfs_new_node+0xe2/0x570 [ 865.598494] ? kernfs_dop_revalidate+0x380/0x380 [ 865.603235] ? find_held_lock+0x35/0x1d0 [ 865.607282] ? kasan_check_read+0x11/0x20 [ 865.611436] ? read_word_at_a_time+0x12/0x20 [ 865.615827] ? strscpy+0x186/0x500 [ 865.619362] kernfs_new_node+0x80/0xe0 [ 865.623236] __kernfs_create_file+0x4b/0x320 [ 865.627631] cgroup_addrm_files+0x3c5/0xa70 [ 865.631950] ? cgroup_file_write+0x710/0x710 [ 865.636345] ? retint_kernel+0x10/0x10 [ 865.640218] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 865.645219] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 865.649972] ? retint_kernel+0x10/0x10 [ 865.653850] ? css_populate_dir+0x5d/0x420 [ 865.658074] css_populate_dir+0x340/0x420 [ 865.662210] cgroup_mkdir+0x553/0xfc0 [ 865.666000] ? __lock_is_held+0xb6/0x140 [ 865.670053] ? cgroup_destroy_locked+0x750/0x750 [ 865.674801] ? rcu_read_lock_sched_held+0x108/0x120 [ 865.679809] ? kmem_cache_free+0x258/0x2a0 [ 865.684030] ? set_nlink+0xc1/0x160 [ 865.687639] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 865.692550] ? generic_permission+0x105/0x3c0 [ 865.697032] ? cgroup_destroy_locked+0x750/0x750 [ 865.701770] kernfs_iop_mkdir+0x153/0x1e0 [ 865.705900] vfs_mkdir+0x390/0x600 [ 865.709430] SyS_mkdirat+0x22b/0x2b0 [ 865.713128] ? SyS_mknod+0x480/0x480 [ 865.716824] ? do_fast_syscall_32+0x156/0xf9f [ 865.721314] ? SyS_mknod+0x480/0x480 [ 865.725012] do_fast_syscall_32+0x3ec/0xf9f [ 865.729335] ? do_int80_syscall_32+0x9c0/0x9c0 [ 865.733899] ? _raw_spin_unlock_irq+0x27/0x70 [ 865.738376] ? finish_task_switch+0x1c1/0x7e0 [ 865.742872] ? syscall_return_slowpath+0x2ac/0x550 [ 865.747782] ? prepare_exit_to_usermode+0x350/0x350 [ 865.752782] ? sysret32_from_system_call+0x5/0x3c [ 865.757609] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 865.762444] entry_SYSENTER_compat+0x70/0x7f [ 865.766842] RIP: 0023:0xf7faec99 [ 865.770188] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 865.777880] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 2018/03/31 21:05:46 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000017000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = eventfd2(0x0, 0x80000) ioctl$KVM_IRQFD(r1, 0x4020ae76, &(0x7f0000358fe0)={r2, 0x0, 0x2, r2}) openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x4c000, 0x0) r3 = eventfd2(0x0, 0x800) ioctl$KVM_IRQFD(r1, 0x4020ae76, &(0x7f0000018000)={r3, 0x5, 0x400000000000002, r2}) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg(r1, &(0x7f0000001300)={&(0x7f0000001100)=@pppol2tpin6={0x18, 0x1, {0x0, r4, 0x3, 0x4, 0x1, 0x0, {0xa, 0x4e20, 0x0, @empty, 0xe4c8}}}, 0x80, &(0x7f0000001200)=[{&(0x7f0000001180)="a19a8bacb5af8b1e2b19d3", 0xb}], 0x1, &(0x7f0000001240), 0x0, 0x8000}, 0x8000) ioctl$KVM_CREATE_DEVICE(r1, 0xc00caee0, &(0x7f0000000000)={0x4, r2}) ioctl$sock_inet6_udp_SIOCOUTQ(r2, 0x5411, &(0x7f0000000080)) ioctl$GIO_SCRNMAP(r5, 0x4b40, &(0x7f0000000100)=""/4096) [ 865.785139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 865.792389] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 865.799642] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 865.806892] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 865.814860] cgroup: cgroup_addrm_files: failed to add cgroup.procs, err=-12 [ 865.869957] irq bypass consumer (token 000000001768163e) registration fails: -16 [ 865.869986] FAULT_INJECTION: forcing a failure. [ 865.869986] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 865.889336] CPU: 1 PID: 21629 Comm: syz-executor6 Not tainted 4.16.0-rc7+ #284 [ 865.896693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 865.906047] Call Trace: [ 865.908636] dump_stack+0x194/0x24d [ 865.912270] ? arch_local_irq_restore+0x53/0x53 [ 865.916950] should_fail+0x8c0/0xa40 [ 865.920668] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 865.925780] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 865.930973] ? __fdget_pos+0x12b/0x190 [ 865.934862] ? perf_trace_lock_acquire+0xe3/0x980 [ 865.939713] ? __lock_acquire+0x664/0x3e00 [ 865.943961] ? perf_trace_lock+0x900/0x900 [ 865.948195] ? find_held_lock+0x35/0x1d0 [ 865.952251] ? perf_trace_lock_acquire+0xe3/0x980 [ 865.957089] ? perf_trace_lock+0x900/0x900 [ 865.961312] ? should_fail+0x23b/0xa40 [ 865.965198] __alloc_pages_nodemask+0x327/0xdd0 [ 865.969852] ? get_pid_task+0x93/0x140 [ 865.973722] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 865.978737] ? find_held_lock+0x35/0x1d0 [ 865.982799] ? check_same_owner+0x320/0x320 [ 865.987109] cache_grow_begin+0x72/0x640 [ 865.991156] kmem_cache_alloc+0x400/0x760 [ 865.995288] ? wait_for_completion+0x770/0x770 [ 865.999892] getname_flags+0xcb/0x580 [ 866.003681] do_rmdir+0xd2/0x5f0 [ 866.007037] ? user_path_create+0x40/0x40 [ 866.011166] ? __sb_end_write+0xa0/0xd0 [ 866.015124] ? fput+0xd2/0x140 [ 866.018298] ? SyS_write+0x184/0x220 [ 866.021993] ? __do_page_fault+0x358/0xbe0 [ 866.026214] ? SyS_read+0x220/0x220 [ 866.029826] SyS_unlinkat+0x67/0x90 [ 866.033434] ? do_unlinkat+0x940/0x940 [ 866.037305] do_fast_syscall_32+0x3ec/0xf9f [ 866.041612] ? do_int80_syscall_32+0x9c0/0x9c0 [ 866.046179] ? _raw_spin_unlock_irq+0x27/0x70 [ 866.050657] ? finish_task_switch+0x1c1/0x7e0 [ 866.055138] ? syscall_return_slowpath+0x2ac/0x550 [ 866.060048] ? prepare_exit_to_usermode+0x350/0x350 [ 866.065048] ? sysret32_from_system_call+0x5/0x3c [ 866.069926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 866.074754] entry_SYSENTER_compat+0x70/0x7f [ 866.079152] RIP: 0023:0xf7fa7c99 [ 866.082495] RSP: 002b:00000000f5fa30ac EFLAGS: 00000282 ORIG_RAX: 000000000000012d [ 866.090187] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 0000000020000080 [ 866.097446] RDX: 0000000000000200 RSI: 0000000000000000 RDI: 0000000000000000 [ 866.104695] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 866.111953] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 2018/03/31 21:05:46 executing program 5: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_gettime(0x0, &(0x7f00000001c0)) r0 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x188f, 0x13ffe) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000040)={{{@in=@multicast2, @in=@remote}}, {{@in=@rand_addr}, 0x0, @in=@dev}}, &(0x7f0000000140)=0xe8) ioctl$TIOCEXCL(r0, 0x540c) 2018/03/31 21:05:46 executing program 2: socketpair$unix(0x1, 0xa, 0x0, &(0x7f0000001400)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000100)={0x0, @in6={{0xa, 0x4e23, 0x0, @dev={0xfe, 0x80, [], 0x17}}}}, &(0x7f00000001c0)=0x84) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000200)) sendto(r1, &(0x7f00000014c0)="ac76da", 0x3, 0x8000, &(0x7f0000001500)=@sco={0x1f, {0x5, 0x21, 0x4, 0xfffffffffffffff8, 0x0, 0xf2d5}}, 0x80) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x1, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r2, 0x6, 0xe, &(0x7f0000000300)={@in6={{0xa, 0x4e21, 0xff, @mcast2={0xff, 0x2, [], 0x1}, 0x401}}, 0x10000, 0xfffffffffffffffc, 0x7, "c2731c73ca0fdd320af693decdca85aa01eb45b69bd6160e174c997750dc05af2265140aa3f009abc8ac17efc9362e7d27b653a8a9bbd85f921ff8bbe2ad1843c2ed9a4d58dc41ee7811c7ebaf16a4e7"}, 0xdce8e8024caec159) r3 = dup3(r1, r0, 0x0) sendto$inet6(r2, &(0x7f0000000280)="ed54cd41f5d29ad107c45abc1b9df11600e269e3ede9dbb9995ceb34b970420c63de3fa06ab5e71a76177d8c6992c5e29d28ead0895da222ff6b86e02b0266f53c13ca627c1736c3df5e1be81bab8cde51238921fda2d6da83d994", 0x5b, 0x24000000, &(0x7f0000001480)={0xa, 0x4e1e, 0xcdf, @remote={0xfe, 0x80, [], 0xbb}, 0x5}, 0x1c) sendto$ax25(r3, &(0x7f0000000400)="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", 0xffc, 0x1, &(0x7f0000000240)={0x3, {"d62cffb8c66813"}, 0x5}, 0x10) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r3, 0xc08c5332, &(0x7f0000000000)={0x100000001, 0x4, 0x6, 'queue1\x00'}) ioctl$sock_inet_SIOCDARP(0xffffffffffffffff, 0x8953, &(0x7f0000001580)={{0x2, 0x0, @multicast2=0xe0000002}, {0x0, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0xfffffffffffffffe, {0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 'dummy0\x00'}) socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r2, 0x6, 0xe, &(0x7f0000001600)={@in6={{0xa, 0x4e23, 0x3, @loopback={0x0, 0x1}, 0x5}}, 0x3, 0xff, 0x0, "f5f2747850472beb9b1bfb284e0c9802be181598866fb43f003a5c29803fca7a1c8da95f0970ab3dea6db5a9b8416afe5b5a6dc2472225c727b288d4c53d12489a60165d3e000cc1f8bd3dacccb043ba"}, 0xd8) recvmmsg(r1, &(0x7f0000f40000)=[{{&(0x7f0000ee8000)=@nfc_llcp, 0x60, &(0x7f0000f40000), 0x0, &(0x7f0000f40000)=""/7, 0x7}}], 0x25f, 0x0, &(0x7f0000f40ff0)={0x77359400}) 2018/03/31 21:05:46 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) ioctl$KVM_IRQ_LINE(r0, 0x4008ae61, &(0x7f0000000000)={0x7, 0x5}) ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f0000000080)) getsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000040), 0x4) 2018/03/31 21:05:46 executing program 4: r0 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x8001, 0x800) ioctl$SNDRV_CTL_IOCTL_TLV_COMMAND(r0, 0xc008551c, &(0x7f0000000040)={0xd08f, 0x8, [0xffffffffffff8001, 0x5]}) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000080)=0x9, 0x4) ioctl$sock_SIOCSIFBR(r0, 0x8941, &(0x7f00000000c0)=@generic={0x8, 0xd8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r0, 0xc0bc5310, &(0x7f0000000100)) getdents(r0, &(0x7f00000001c0)=""/165, 0xa5) setsockopt$RDS_FREE_MR(r0, 0x114, 0x3, &(0x7f0000000280)={{0x1, 0x4}, 0x40}, 0x10) ioctl$KVM_ASSIGN_SET_INTX_MASK(r0, 0x4040aea4, &(0x7f00000002c0)={0x4, 0x4, 0x1, 0x5, 0x1}) ioctl$EVIOCSCLOCKID(r0, 0x400445a0, &(0x7f0000000300)) r1 = getpid() sched_getaffinity(r1, 0x8, &(0x7f0000000340)) lstat(&(0x7f0000000380)='./file0\x00', &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000440)={0x0, 0x0, 0x0}, &(0x7f0000000480)=0xc) fchown(r0, r2, r4) fcntl$setown(r0, 0x8, r1) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r0, &(0x7f00000004c0)={0x10}) ioctl(r0, 0x400, &(0x7f0000000500)="05f6e989744d26eb5246affbcf4eb094281d079bcc476208440766817d5d928e5a39c581fcb1d18e51a289869375156947d9cc770148546aa2c39afc4b282cf9ff1f") ioctl$EVIOCGBITKEY(r0, 0x80404521, &(0x7f0000000580)=""/233) sched_getaffinity(r1, 0x8, &(0x7f0000000680)) r5 = gettid() io_setup(0x516c, &(0x7f00000006c0)=0x0) io_cancel(r6, &(0x7f00000007c0)={0x0, 0x0, 0x0, 0x3, 0x1, r0, &(0x7f0000000700)="61a7995d5b22cd5432e871e0f651cae87cb10e31a47916fc1ef31bf365747327046e06b1f2a7a476fcd56303471835233dd9f78f1bdc876e19a57092b8c3cbd4660e73ef1d9617156defbebaadccdb1661d0df0b67f2eace270e3f57be95d5092f41e5d2712b5237975769049b41d2cb6380e62ad9b61c452238a15e021407a542f0a101c2d81341cb2c045f7142f547b34dcbf1a11dfb90c254086f10777fb5565b0fddc26c146e7295b0f5f99b83c5f58643310c151709e963f15d65a8", 0xbe, 0xfffffffffffffffc, 0x0, 0x1, r0}, &(0x7f0000000800)) setgid(r4) ioctl$PERF_EVENT_IOC_RESET(r0, 0x2403, 0x1ff) fcntl$setstatus(r0, 0x4, 0x46000) ioprio_set$pid(0x1, r3, 0x6) ioctl$KVM_ASSIGN_SET_MSIX_ENTRY(r0, 0x4010ae74, &(0x7f0000000840)={0x8387, 0x100}) openat$vnet(0xffffffffffffff9c, &(0x7f0000000880)='/dev/vhost-net\x00', 0x2, 0x0) perf_event_open(&(0x7f00000008c0)={0x3, 0x70, 0x4000, 0x6, 0x40, 0x9, 0x0, 0x8, 0x101, 0x9, 0x6, 0x7e, 0xf3, 0x2, 0x98a, 0x3, 0x7, 0x1, 0x81, 0x8, 0xfff, 0x2, 0x401, 0x80, 0x22, 0x8, 0x8, 0x6, 0x400, 0xffff, 0x100, 0x1, 0x8, 0x4, 0x5, 0x20, 0xe18a, 0x0, 0x0, 0x5, 0x4, @perf_config_ext={0xa98, 0x5}, 0x0, 0x6, 0x3, 0x6, 0x4, 0xdde6, 0x1}, r1, 0x2, r0, 0x9) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r5, 0x8, &(0x7f0000000940)={0x8}) [ 866.119299] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/03/31 21:05:46 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") recvfrom$packet(r0, &(0x7f0000000380)=""/4096, 0x1000, 0x40000000, 0x0, 0x0) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:05:46 executing program 2: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x4e20, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x4e20, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0xafa199925a7b9806) r1 = open(&(0x7f0000000500)='./file0\x00', 0x400002, 0x1) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000580)='IPVS\x00') sendmsg$IPVS_CMD_SET_INFO(r1, &(0x7f0000000680)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)=ANY=[@ANYBLOB="80000000", @ANYRES16=r2, @ANYBLOB="000228bd7000ffdbdf250e00000008000400800b000038000100080002003f000000080002002100000008000b007369700008000800ff0000000c00070000000000100000000800060072720000080004000080000008000500040000001c000200080007000800001708000b000200000008000b000a000000"], 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x0) setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000140), 0x4) ioctl$TCGETA(r1, 0x5405, &(0x7f00000001c0)) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000100)) syz_genetlink_get_family_id$ipvs(&(0x7f0000000200)='IPVS\x00') ioctl$PPPIOCSMRU(r1, 0x40047452, &(0x7f0000000180)=0x6) ioctl$PPPIOCSMRU(r0, 0x40047452, &(0x7f00000000c0)=0x7) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x4e20}}, 0x0, 0x0, 0x0, 0x0, 0xc}, 0x98) 2018/03/31 21:05:46 executing program 6 (fault-call:4 fault-nth:2): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:05:46 executing program 1 (fault-call:6 fault-nth:11): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) [ 866.341169] FAULT_INJECTION: forcing a failure. [ 866.341169] name failslab, interval 1, probability 0, space 0, times 0 [ 866.352529] CPU: 0 PID: 21664 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 866.359903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 866.370077] Call Trace: [ 866.372677] dump_stack+0x194/0x24d [ 866.376306] ? arch_local_irq_restore+0x53/0x53 [ 866.380989] should_fail+0x8c0/0xa40 [ 866.384701] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 866.389792] ? kernfs_add_one+0x50/0x450 [ 866.393844] ? kernfs_add_one+0x50/0x450 [ 866.397908] ? find_held_lock+0x35/0x1d0 [ 866.401965] ? __lock_is_held+0xb6/0x140 [ 866.406040] ? check_same_owner+0x320/0x320 [ 866.410351] ? perf_trace_lock+0xd6/0x900 [ 866.414487] ? rcu_note_context_switch+0x710/0x710 [ 866.419428] should_failslab+0xec/0x120 [ 866.423399] __kmalloc_track_caller+0x5f/0x760 [ 866.427969] ? idr_alloc_cyclic+0x1d6/0x320 [ 866.432281] ? trace_hardirqs_off+0x10/0x10 [ 866.436587] ? kstrdup_const+0x39/0x50 [ 866.440461] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 866.445294] kstrdup+0x39/0x70 [ 866.448487] kstrdup_const+0x39/0x50 [ 866.452276] __kernfs_new_node+0xa2/0x570 [ 866.456416] ? kernfs_dop_revalidate+0x380/0x380 [ 866.461167] ? kasan_check_read+0x11/0x20 [ 866.465302] ? read_word_at_a_time+0x12/0x20 [ 866.469697] ? strscpy+0x186/0x500 [ 866.473239] kernfs_new_node+0x80/0xe0 [ 866.477115] __kernfs_create_file+0x4b/0x320 [ 866.481517] cgroup_addrm_files+0x3c5/0xa70 [ 866.485850] ? cgroup_file_write+0x710/0x710 [ 866.490250] ? __getnstimeofday64+0x317/0x470 [ 866.494736] ? getrawmonotonic64+0x460/0x460 [ 866.499309] ? kernfs_active+0x92/0x160 [ 866.503275] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 866.508187] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 866.512670] ? cgroup_file_name+0x1d0/0x1d0 [ 866.516984] css_populate_dir+0x340/0x420 [ 866.521123] cgroup_mkdir+0x553/0xfc0 [ 866.524906] ? __lock_is_held+0xb6/0x140 [ 866.528959] ? cgroup_destroy_locked+0x750/0x750 [ 866.533700] ? rcu_read_lock_sched_held+0x108/0x120 [ 866.538701] ? kmem_cache_free+0x258/0x2a0 [ 866.542926] ? set_nlink+0xc1/0x160 [ 866.546539] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 866.551461] ? generic_permission+0x105/0x3c0 [ 866.555945] ? cgroup_destroy_locked+0x750/0x750 [ 866.560687] kernfs_iop_mkdir+0x153/0x1e0 [ 866.564825] vfs_mkdir+0x390/0x600 [ 866.568355] SyS_mkdirat+0x22b/0x2b0 [ 866.572058] ? SyS_mknod+0x480/0x480 [ 866.575759] ? do_fast_syscall_32+0x156/0xf9f [ 866.580240] ? SyS_mknod+0x480/0x480 [ 866.583938] do_fast_syscall_32+0x3ec/0xf9f [ 866.588252] ? do_int80_syscall_32+0x9c0/0x9c0 [ 866.592817] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 866.598347] ? syscall_return_slowpath+0x2ac/0x550 [ 866.603266] ? sysret32_from_system_call+0x5/0x3c [ 866.608099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 866.612952] entry_SYSENTER_compat+0x70/0x7f [ 866.617353] RIP: 0023:0xf7faec99 [ 866.620789] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 866.628485] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 866.635737] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 866.642989] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 866.650245] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 866.657498] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 866.665143] cgroup: cgroup_addrm_files: failed to add cgroup.threads, err=-12 [ 866.674900] FAULT_INJECTION: forcing a failure. [ 866.674900] name failslab, interval 1, probability 0, space 0, times 0 [ 866.686236] CPU: 0 PID: 21663 Comm: syz-executor6 Not tainted 4.16.0-rc7+ #284 [ 866.693600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 866.702961] Call Trace: [ 866.705568] dump_stack+0x194/0x24d [ 866.709188] ? arch_local_irq_restore+0x53/0x53 [ 866.713871] should_fail+0x8c0/0xa40 [ 866.717597] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 866.722699] ? perf_trace_lock+0x900/0x900 [ 866.726932] ? perf_tp_event+0xae0/0xae0 [ 866.730976] ? find_held_lock+0x35/0x1d0 [ 866.735037] ? __lock_is_held+0xb6/0x140 [ 866.739094] ? check_same_owner+0x320/0x320 [ 866.743399] ? __d_lookup+0x4f4/0x830 [ 866.747190] ? rcu_note_context_switch+0x710/0x710 [ 866.753243] should_failslab+0xec/0x120 [ 866.757214] kmem_cache_alloc+0x47/0x760 [ 866.761288] __d_alloc+0xc1/0xbd0 [ 866.764737] ? shrink_dcache_for_umount+0x290/0x290 [ 866.769740] ? d_alloc_parallel+0x1b40/0x1b40 [ 866.774321] ? lock_release+0xa40/0xa40 [ 866.778284] ? mark_held_locks+0xaf/0x100 [ 866.782417] ? d_lookup+0x133/0x2e0 [ 866.786043] ? d_lookup+0x1d5/0x2e0 [ 866.789669] d_alloc+0x8e/0x340 [ 866.792935] ? __d_alloc+0xbd0/0xbd0 [ 866.796646] ? down_write_nested+0xa6/0x120 [ 866.800970] __lookup_hash+0x58/0x190 [ 866.804756] do_rmdir+0x3a0/0x5f0 [ 866.808197] ? user_path_create+0x40/0x40 [ 866.812345] ? __sb_end_write+0xa0/0xd0 [ 866.816328] ? SyS_write+0x184/0x220 [ 866.820033] ? __do_page_fault+0x358/0xbe0 [ 866.824261] ? SyS_read+0x220/0x220 [ 866.827876] SyS_unlinkat+0x67/0x90 [ 866.831481] ? do_unlinkat+0x940/0x940 [ 866.835347] do_fast_syscall_32+0x3ec/0xf9f [ 866.839651] ? do_int80_syscall_32+0x9c0/0x9c0 [ 866.844214] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 866.849735] ? syscall_return_slowpath+0x2ac/0x550 [ 866.854651] ? sysret32_from_system_call+0x5/0x3c [ 866.859489] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 866.864331] entry_SYSENTER_compat+0x70/0x7f [ 866.868743] RIP: 0023:0xf7fa7c99 [ 866.872096] RSP: 002b:00000000f5fa30ac EFLAGS: 00000282 ORIG_RAX: 000000000000012d [ 866.879800] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 0000000020000080 [ 866.887053] RDX: 0000000000000200 RSI: 0000000000000000 RDI: 0000000000000000 [ 866.894311] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 866.901567] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 866.908816] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 867.102092] sctp: [Deprecated]: syz-executor2 (pid 21669) Use of int in maxseg socket option. [ 867.102092] Use struct sctp_assoc_value instead 2018/03/31 21:05:47 executing program 7: openat$sequencer(0xffffffffffffff9c, &(0x7f0000000180)='/dev/sequencer\x00', 0x20000, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000200)='/dev/dmmidi#\x00', 0x3, 0x8841) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000240)) perf_event_open(&(0x7f0000000040)={0x0, 0x78}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x800, 0x0) io_setup(0x8000000001ff, &(0x7f00000000c0)=0x0) io_submit(r2, 0x1, &(0x7f000044b000)=[&(0x7f0000403fc0)={0x0, 0x0, 0x0, 0x0, 0x0, r1, &(0x7f0000e27fd9)}]) openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x40000, 0x0) read$eventfd(0xffffffffffffffff, &(0x7f0000000040), 0x8) 2018/03/31 21:05:47 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) ioctl$ASHMEM_SET_PROT_MASK(r0, 0x40047705, &(0x7f0000000000)={0x7ff}) 2018/03/31 21:05:47 executing program 3: mmap(&(0x7f0000000000/0xfda000)=nil, 0xfda000, 0x4, 0x31, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6_icmp_raw(0x11, 0x3, 0x3a) sendmsg(r0, &(0x7f0000001fc8)={&(0x7f0000004fe4)=@in6={0xa, 0x4e20, 0x0, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}}, 0x1c, &(0x7f0000005000), 0x0, &(0x7f0000006ff6)=ANY=[@ANYBLOB="0c73807ae8590000000006c7"], 0xc}, 0x0) 2018/03/31 21:05:47 executing program 4: r0 = socket$inet6(0x10, 0x4, 0x0) sendmsg(r0, &(0x7f000000bfc8)={&(0x7f0000000000)=@nl=@proc={0x10}, 0x80, &(0x7f0000002000)=[{&(0x7f0000001000)="5500000018007fafb72d1cb2a4a280930206000000a843096c26236925000800040000001000ca8a9848a3c728f1c46b7b31afdc1338d54400009b84136ef75afb83de448daa7227c43ab8220000bf0cec6bab91d4", 0x55}], 0x1, &(0x7f0000002040)}, 0x0) getsockopt$inet6_mreq(r0, 0x29, 0x20f2f1130871785a, &(0x7f00000000c0)={@loopback, 0x0}, &(0x7f0000000100)=0x14) sendto(r0, &(0x7f0000000080)="27fcfe450c87c08a6e6328dace6d056c7935488a0fe15c864863f581d70ae2bd9d695a75081fc19353fd79a5b9c3682496", 0x31, 0x4000000, &(0x7f0000000140)=@can={0x1d, r1}, 0x80) 2018/03/31 21:05:47 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00006a4ff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2(&(0x7f0000000080)={0x0, 0x0}, 0xfffffffffffffffe) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) symlinkat(&(0x7f0000000000)='./file0\x00', r2, &(0x7f0000000040)='./file0\x00') dup3(r3, r2, 0x0) ioctl$KVM_SET_GUEST_DEBUG(r2, 0x4048ae9b, &(0x7f00000000c0)={0x80000e0003, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}) ioctl$KVM_GET_REGS(r2, 0x8090ae81, &(0x7f00000002c0)) 2018/03/31 21:05:47 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) io_setup(0x101, &(0x7f0000000040)=0x0) r2 = memfd_create(&(0x7f0000000140)='\x00', 0x2) pipe(&(0x7f00000003c0)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = syz_open_dev$adsp(&(0x7f00000006c0)='/dev/adsp#\x00', 0x7, 0x88002) r6 = open(&(0x7f0000000600)='./file0\x00', 0x800, 0x0) getsockopt$inet_tcp_buf(r0, 0x6, 0x21, &(0x7f00000001c0)=""/84, &(0x7f0000000400)=0x54) setsockopt$bt_l2cap_L2CAP_LM(r4, 0x6, 0x3, &(0x7f0000000340)=0x8, 0x4) io_submit(r1, 0x3, &(0x7f0000000680)=[&(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0xdf, r0, &(0x7f0000000080)="44bb797beb15a88e97367cd2bad80df7156d7718bb595d960a2a71e919df64f5a04ade6922b0c1851857def0df4d83834da09e69fab84deb8187a580a6b749e67baa7fa8fe5b523381566a17c3b9658bd37eab3f6da467b03b99cd4f5b3cd4e39b673360d5ddf532481e7d7772fc7532ebbcc7d066dcaf96d7ee5292ae10f7b759d0f5d8ecff3f67e71fde4ce7e39adbd738d6818b26a32d9cdd9dda3b76a1f68d34c876fc3f", 0xa6, 0x34f580000, 0x0, 0x0, r2}, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x3, 0x96, r0, &(0x7f0000000240)="fe1cff0a7b51a45cbb8533a64a9d0edd9fa19e3a87ba61542dd3c2e2c5d0922df80c8532ecd35b513d011ad5e781b90f0e1ca0e5cf4f7542d3c332b82446f7fbe27fd677e99c7d78d917cf00dd22a4da2c29065818d6269a2d63c8faa137545c11a52576c52ef1d43d9d1417a7a1", 0x6e, 0x100000001, 0x0, 0x0, r0}, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x7, 0x0, r0, &(0x7f0000000440)="889b1213768af519e9deaa799fff5c929f1618797188396dd12fcb7d336edb9c68ecf9f671aeb1ccaa282b1b11bcf6af0a7ebfc27c57e181bca80b06c83f8433dc75518af2382e3a99e489cf94553670bbbfd943af4c5b2e50a573c9252d5c3e8d6bb3c74479f92e1c484d9938", 0x6d, 0x3, 0x0, 0x0, r5}]) r7 = syz_open_procfs(0x0, &(0x7f0000000740)='net/ip6_tables_targets\x00') bind$alg(r0, &(0x7f0000466000)={0x26, 'hash\x00', 0x0, 0x0, 'wp384\x00'}, 0x58) getsockname$ax25(r3, &(0x7f00000004c0), &(0x7f0000000700)=0x10) r8 = accept4$alg(r0, 0x0, 0x0, 0x0) dup2(r6, r8) epoll_ctl$EPOLL_CTL_DEL(r2, 0x2, r5) sendfile(r8, r7, &(0x7f00002b9ffc)=0x1, 0xa) r9 = dup3(r8, r0, 0x0) ioctl$KVM_SET_CLOCK(r7, 0x4030ae7b, &(0x7f0000000780)={0x8a30, 0x10001}) ioctl$KVM_ASSIGN_DEV_IRQ(r9, 0x4040ae70, &(0x7f0000000000)={0x7fffffff, 0x80, 0x8, 0x203}) 2018/03/31 21:05:47 executing program 1 (fault-call:6 fault-nth:12): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:47 executing program 6 (fault-call:4 fault-nth:3): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) [ 867.275409] sctp: [Deprecated]: syz-executor2 (pid 21671) Use of int in maxseg socket option. [ 867.275409] Use struct sctp_assoc_value instead [ 867.332080] FAULT_INJECTION: forcing a failure. [ 867.332080] name failslab, interval 1, probability 0, space 0, times 0 [ 867.343419] CPU: 0 PID: 21683 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 867.350783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 867.360247] Call Trace: [ 867.362841] dump_stack+0x194/0x24d [ 867.366483] ? arch_local_irq_restore+0x53/0x53 [ 867.371181] should_fail+0x8c0/0xa40 [ 867.374902] ? kstrdup+0x39/0x70 [ 867.378284] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 867.383397] ? cgroup_mkdir+0x553/0xfc0 [ 867.387384] ? vfs_mkdir+0x390/0x600 [ 867.391187] ? SyS_mkdirat+0x22b/0x2b0 [ 867.395094] ? do_fast_syscall_32+0x3ec/0xf9f [ 867.399618] ? find_held_lock+0x35/0x1d0 [ 867.403685] ? __lock_is_held+0xb6/0x140 [ 867.407751] ? check_same_owner+0x320/0x320 [ 867.412065] ? rcu_note_context_switch+0x710/0x710 [ 867.416984] ? rcu_read_lock_sched_held+0x108/0x120 [ 867.421997] should_failslab+0xec/0x120 [ 867.425962] kmem_cache_alloc+0x47/0x760 [ 867.430005] ? memcpy+0x45/0x50 [ 867.433276] ? kstrdup+0x59/0x70 [ 867.436632] __kernfs_new_node+0xe2/0x570 [ 867.440762] ? kernfs_dop_revalidate+0x380/0x380 [ 867.445506] ? kasan_check_read+0x11/0x20 [ 867.449637] ? read_word_at_a_time+0x12/0x20 [ 867.454031] ? strscpy+0x186/0x500 [ 867.457564] kernfs_new_node+0x80/0xe0 [ 867.461449] __kernfs_create_file+0x4b/0x320 [ 867.465846] cgroup_addrm_files+0x3c5/0xa70 [ 867.470161] ? cgroup_file_write+0x710/0x710 [ 867.474556] ? __getnstimeofday64+0x317/0x470 [ 867.479042] ? getrawmonotonic64+0x460/0x460 [ 867.483437] ? kernfs_active+0x92/0x160 [ 867.487400] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 867.492317] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 867.496792] ? cgroup_file_name+0x1d0/0x1d0 [ 867.501104] css_populate_dir+0x340/0x420 [ 867.505239] cgroup_mkdir+0x553/0xfc0 [ 867.509024] ? __lock_is_held+0xb6/0x140 [ 867.513072] ? cgroup_destroy_locked+0x750/0x750 [ 867.517809] ? rcu_read_lock_sched_held+0x108/0x120 [ 867.522808] ? kmem_cache_free+0x258/0x2a0 [ 867.527030] ? set_nlink+0xc1/0x160 [ 867.530640] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 867.535550] ? generic_permission+0x105/0x3c0 [ 867.540032] ? cgroup_destroy_locked+0x750/0x750 [ 867.544785] kernfs_iop_mkdir+0x153/0x1e0 [ 867.548917] vfs_mkdir+0x390/0x600 [ 867.552449] SyS_mkdirat+0x22b/0x2b0 [ 867.556148] ? SyS_mknod+0x480/0x480 [ 867.559846] ? do_fast_syscall_32+0x156/0xf9f [ 867.564325] ? SyS_mknod+0x480/0x480 [ 867.568027] do_fast_syscall_32+0x3ec/0xf9f [ 867.572336] ? do_int80_syscall_32+0x9c0/0x9c0 [ 867.576902] ? _raw_spin_unlock_irq+0x27/0x70 [ 867.581380] ? finish_task_switch+0x1c1/0x7e0 [ 867.585860] ? syscall_return_slowpath+0x2ac/0x550 [ 867.590772] ? prepare_exit_to_usermode+0x350/0x350 [ 867.595770] ? sysret32_from_system_call+0x5/0x3c [ 867.600598] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 867.605428] entry_SYSENTER_compat+0x70/0x7f [ 867.609825] RIP: 0023:0xf7faec99 [ 867.613169] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 867.621217] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 2018/03/31 21:05:48 executing program 4: r0 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x4e20, @broadcast=0xffffffff}, 0x1}}, 0x2e) r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r1, &(0x7f0000003000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x4e20, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x1, 0x15}}, 0x2e) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)="61f0740f") listen(r1, 0x3) 2018/03/31 21:05:48 executing program 2: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000001000)='/dev/rtc\x00', 0xfffffffffffffffd, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r0, 0x4024700a, &(0x7f0000002498)) [ 867.628482] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 867.635739] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 867.642988] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 867.650240] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 867.657738] cgroup: cgroup_addrm_files: failed to add cgroup.threads, err=-12 2018/03/31 21:05:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = userfaultfd(0x0) munmap(&(0x7f0000002000/0x4000)=nil, 0x4000) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000000)={0xaa, 0x1}) ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f00000000c0)={&(0x7f0000002000/0x3000)=nil, 0x3000}) sendmsg$nl_generic(r0, &(0x7f0000004fc8)={&(0x7f000000aff4)={0x10}, 0xc, &(0x7f0000012ff0)={&(0x7f0000000180)={0x14, 0x2000005a, 0x8000000000000443}, 0x14}, 0x1}, 0x0) 2018/03/31 21:05:48 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000280)='./file0/file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000480)="6367726f75703200ebb71b0b7eb0afb2d7bc78d03a511b37f228af2f475367d25bc0a8051439f336d1d57e9646899be2dc3301a211ab1ae349d77e1b818985e0d7185a4527dcad024adae99bafec655ea85d81309a9eb72bc2bca7908cd876cf5c6838f08316ab62249134b87556691a9a3dd1d001040000000000006ae3c565b0a1e8e695fb24ec39c163e20e64f80644a8665c681cf09be2fce8f3", 0x0, 0x0) openat$cuse(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/cuse\x00', 0x404800, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) truncate(&(0x7f0000000300)='./file0\x00', 0x0) unlinkat(r1, &(0x7f0000000080)='./file0\x00', 0x200) r2 = syz_open_dev$audion(&(0x7f00000000c0)='/dev/audio#\x00', 0x80000000, 0x40) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffff9c, 0x84, 0x76, &(0x7f0000000100)={0x0, 0x80000000}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r2, 0x84, 0x0, &(0x7f0000000200)={r3, 0xff, 0x1, 0x8}, &(0x7f0000000240)=0x10) r4 = dup2(r0, r1) epoll_create1(0x90001) mkdirat$cgroup(r4, &(0x7f0000000040)='syz0\x00', 0x1ff) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r1, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:05:48 executing program 3: r0 = add_key(&(0x7f0000000180)='ceph\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$invalidate(0x15, r0) r1 = socket$alg(0x26, 0x5, 0x0) r2 = syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0x5, 0x81) getsockname$unix(r2, &(0x7f0000000100)=@abs, &(0x7f0000000040)=0x6e) bind$alg(r1, &(0x7f0000000200)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(ecb(aes))\x00'}, 0x58) bind$alg(r1, &(0x7f0000000080)={0x26, 'aead\x00', 0x0, 0x0, 'authencesn(wp512-generic,ctr-camellia-aesni-avx2)\x00'}, 0x58) 2018/03/31 21:05:48 executing program 2: r0 = dup2(0xffffffffffffff9c, 0xffffffffffffff9c) connect$can_bcm(r0, &(0x7f00000000c0)={0x1d}, 0x10) recvfrom$unix(r0, &(0x7f0000000100)=""/109, 0x6d, 0x2001, &(0x7f0000000180)=@file={0x0, './file0\x00'}, 0x6e) r1 = syz_open_dev$amidi(&(0x7f0000000200)='/dev/amidi#\x00', 0x1, 0x2000) ioctl$KVM_TRANSLATE(r0, 0xc018ae85, &(0x7f0000000240)={0x4000, 0x2, 0x3, 0x5, 0x5}) ioctl$EVIOCSABS0(r1, 0x401845c0, &(0x7f0000000280)={0x9, 0x7, 0x0, 0x6, 0xdb4}) ioctl(r0, 0x3ff, &(0x7f00000002c0)="4cb8afcb063f2c8254e001a01e35cf366a5bf6eb754f215b9760dabb61bf6bd6cf62074675de1ef01d186f21adfc03d853c289ac23fe3ad207962fd231b95c8f813f0c6421bffdeb9a2a5b005ace25a56accae42282f3d6307f9408a2a2536f301d206d90ba3e05f22d90b480ee58d8ee33d2f9f303a7b53ce25895b82fbd45fe797b5cf4152ad2754563cc69173edc96d5f7809c558a238d1d7c6fbefb4ccf04cf5649a5e18ad163e53332451faadd930dc260c8fb829827ed5c3a73115bd2e3218a816ef91486c1fd4a98b9d5e290deef1b943f0f5d5") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f00000003c0)={0x0, 0xded0}, &(0x7f0000000400)=0x8) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000440)={r2, 0x6}, &(0x7f0000000480)=0x8) ioctl$LOOP_CLR_FD(r1, 0x4c01) getsockopt$netrom_NETROM_T2(r1, 0x103, 0x2, &(0x7f00000004c0)=0xfffffffffffffffb, &(0x7f0000000500)=0x4) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r1, 0x4010640d, &(0x7f0000000540)={0x0, 0x5c}) r3 = syz_open_dev$sndmidi(&(0x7f0000000580)='/dev/snd/midiC#D#\x00', 0x529a, 0x0) ioctl$KVM_GET_MSRS(r3, 0xc008ae88, &(0x7f00000005c0)={0x2, 0x0, [{}, {}]}) getsockopt$inet_sctp_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f0000000600)={r2, 0xdb0, 0x5, 0xfffffffffffffff8}, &(0x7f0000000640)=0x10) ioctl$KVM_GET_DIRTY_LOG(r3, 0x4010ae42, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil}) ioctl$KVM_SET_GUEST_DEBUG(r1, 0x4048ae9b, &(0x7f00000006c0)={0x40000, 0x0, [0xffffffffffffffe1, 0x7, 0x4, 0x81d, 0x1, 0x3, 0x7]}) getsockopt$sock_buf(r1, 0x1, 0x3f, &(0x7f0000000740)=""/75, &(0x7f00000007c0)=0x4b) sendto$unix(r1, &(0x7f0000000800)="d9b9575c2a8a137920ceef57baa90c3fd1a7012b89a1692cef19a687e7899ce9b7cb03db2ad8b86f2538c70971c993422b9eeacf73e3e148180d327e30f8b60ae5bf6a774cb04382abe6424e78a2d456410362d26fe24ca8167e11f009417c814523bfe11fb81de01ca8fabc21f52fc8ce6b3fcd71886d0d8dcd5b53ab52ce31ec4aadf624e90a960dbfe9904b71ab8386e39682c8d6bb054c22bf368ea76134ad4e606f932b5854a6fd137a41797ff469b2b2284eca0fedb275d5b2ee3fb12a2effa0efe84f4ae560470c4f66a6a6bf62517a95fff08c4cd9318f3e01b9d0b78f", 0xe1, 0x1, &(0x7f0000000900)=@file={0x1, './file0\x00'}, 0x6e) getsockopt$inet_sctp_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f0000000980)={0x2, [0xffff, 0x2]}, &(0x7f00000009c0)=0x8) syz_open_dev$midi(&(0x7f0000000a00)='/dev/midi#\x00', 0x5, 0x2000) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS(r1, 0xc05c5340, &(0x7f0000000a40)={0x7, 0x80000000, 0x7ff, {0x77359400}, 0xff, 0x800}) syz_open_dev$sndpcmp(&(0x7f0000000ac0)='/dev/snd/pcmC#D#p\x00', 0xf4, 0x2000) setsockopt$inet_dccp_buf(r1, 0x21, 0xc0, &(0x7f0000000b00)="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", 0xff) setsockopt$IP_VS_SO_SET_ZERO(r1, 0x0, 0x48f, &(0x7f0000000c00)={0x6f, @local={0xac, 0x14, 0x14, 0xaa}, 0x4e23, 0x2, 'none\x00', 0x1, 0xfffffffffffffff7, 0x3b}, 0x2c) ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000c40)={{0x1, 0x3, 0x7, 0xd26068294787f2e1, 0x2}}) syz_open_dev$sndpcmc(&(0x7f0000000c80)='/dev/snd/pcmC#D#c\x00', 0x9, 0x40) connect$ax25(r3, &(0x7f0000000cc0)={0x3, {"69a35892c977e3"}, 0x32}, 0x10) mq_timedreceive(r1, &(0x7f0000000d00)=""/4096, 0x1000, 0x4, &(0x7f0000001d00)={0x77359400}) getsockopt$inet_sctp6_SCTP_GET_ASSOC_NUMBER(r1, 0x84, 0x1c, &(0x7f0000001d40), &(0x7f0000001d80)=0x4) 2018/03/31 21:05:48 executing program 1 (fault-call:6 fault-nth:13): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:48 executing program 0: getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000000)={0x0}, &(0x7f0000000040)=0xc) r1 = syz_open_procfs(r0, &(0x7f0000001f00)="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") fgetxattr(r1, &(0x7f0000000180)=@known='user.syz\x00', &(0x7f00000000c0)=""/159, 0x9f) 2018/03/31 21:05:48 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet(0xffffffffffffffff, &(0x7f0000593000)={0x2, 0x4e20, @broadcast=0xffffffff}, 0x10) ioctl$sock_ipx_SIOCSIFADDR(0xffffffffffffffff, 0x8916, &(0x7f0000000140)={'ip6gre0\x00', {0x4, 0x9, 0x8, "79b4dbac3b9a", 0xfff}}) r0 = syz_open_dev$binder(&(0x7f000000cff3)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000004000)={0x4, 0x0, &(0x7f000000cf90)=[@enter_looper={0x630c}], 0x0, 0x0, &(0x7f0000005000)}) ioctl$BINDER_SET_CONTEXT_MGR(r0, 0x40046207, 0x0) r1 = add_key(&(0x7f00000003c0)='logon\x00', &(0x7f00000038c0)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000003940)="a16c9ddda7e0d3bb462034102ca20eaf47eb21a01f8f96129734d47d11b820208010fe2255c2fe29669b92e585277c249a7a7af3fb4874df8ffbc05afc82ffce7fb369af6eff475179944eca764889120284583564b1", 0x56, 0xfffffffffffffffd) keyctl$update(0x2, r1, 0x0, 0x0) mmap$binder(&(0x7f000000c000/0x2000)=nil, 0x2000, 0x0, 0x12, r0, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000040)={0x14, 0x0, &(0x7f0000003900)=[@acquire_done={0x40486311}], 0x71, 0x0, &(0x7f00000038c0)}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000340)={0x4c, 0x0, &(0x7f00000004c0)=[@transaction_sg={0x40486311, {{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000140), &(0x7f0000000440)}}}], 0x0, 0x0, &(0x7f00000000c0)}) clock_gettime(0x0, &(0x7f0000005800)={0x0, 0x0}) recvmmsg(0xffffffffffffff9c, &(0x7f0000005680)=[{{&(0x7f0000000080)=@in, 0x80, &(0x7f0000000380)=[{&(0x7f0000000100)=""/33, 0x21}, {&(0x7f0000000540)=""/4096, 0x1000}, {&(0x7f0000000140)=""/44, 0x2c}, {&(0x7f0000001540)=""/4096, 0x1000}, {&(0x7f0000000180)=""/87, 0x57}, {&(0x7f0000000200)=""/203, 0xcb}], 0x6, &(0x7f0000000400)=""/144, 0x90, 0x36e}, 0x8001}, {{&(0x7f0000002540)=@nl, 0x80, &(0x7f0000003880)=[{&(0x7f00000025c0)=""/136, 0x88}, {&(0x7f0000002680)=""/241, 0xf1}, {&(0x7f0000002780)=""/128, 0x80}, {&(0x7f0000002800)=""/120, 0x78}, {&(0x7f0000002880)=""/4096, 0x1000}], 0x5, &(0x7f0000000300)=""/23, 0x17, 0xffff}, 0x7fff}, {{&(0x7f0000003b00)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, 0x80, &(0x7f0000005040)=[{&(0x7f0000003b80)=""/136, 0x88}, {&(0x7f0000004040)=""/4096, 0x1000}, {&(0x7f0000003c40)=""/251, 0xfb}, {&(0x7f0000003d40)=""/106, 0x6a}, {&(0x7f0000003dc0)=""/148, 0x94}, {&(0x7f0000003e80)=""/66, 0x42}, {&(0x7f0000003f00)=""/225, 0xe1}], 0x7, &(0x7f00000050c0)=""/1, 0x1, 0x3ff}, 0x3}, {{&(0x7f0000005100)=@pppol2tp, 0x80, &(0x7f0000005280)=[{&(0x7f0000005180)=""/230, 0xe6}], 0x1, &(0x7f00000052c0)=""/232, 0xe8, 0x6}, 0x7}, {{&(0x7f00000053c0)=@vsock={0x0, 0x0, 0x0, @my}, 0x80, &(0x7f0000005580)=[{&(0x7f0000005440)=""/179, 0xb3}], 0x1, &(0x7f00000055c0)=""/161, 0xa1, 0x6f}, 0x1}], 0x5, 0x10000, &(0x7f0000005840)={r2, r3+10000000}) clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000000240), &(0x7f0000000140)) syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x7f, 0x240) 2018/03/31 21:05:48 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$nl_generic(0xa, 0x3, 0x10) connect$netlink(r0, &(0x7f0000000040)=@unspec, 0xc) pipe2(&(0x7f0000000080), 0x800) [ 867.850542] binder_alloc: 21704: binder_alloc_buf size 1167593691566825640 failed, no address space [ 867.859965] binder_alloc: allocated: 0 (num: 0 largest: 0), free: 8192 (num: 1 largest: 8192) [ 867.868715] binder: 21704:21705 transaction failed 29201/-28, size 0-0 line 2963 [ 867.915771] FAULT_INJECTION: forcing a failure. [ 867.915771] name failslab, interval 1, probability 0, space 0, times 0 [ 867.927122] CPU: 0 PID: 21719 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 867.934513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 867.943874] Call Trace: [ 867.946501] dump_stack+0x194/0x24d [ 867.950146] ? arch_local_irq_restore+0x53/0x53 [ 867.954942] should_fail+0x8c0/0xa40 [ 867.958667] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 867.963779] ? kernfs_add_one+0x50/0x450 [ 867.967855] ? kernfs_add_one+0x50/0x450 [ 867.971931] ? trace_event_raw_event_lock+0x340/0x340 [ 867.977129] ? trace_hardirqs_off+0x10/0x10 [ 867.981558] ? find_held_lock+0x35/0x1d0 [ 867.985621] ? __lock_is_held+0xb6/0x140 [ 867.989703] ? check_same_owner+0x320/0x320 [ 867.994034] ? lock_downgrade+0x980/0x980 [ 867.998195] ? rcu_note_context_switch+0x710/0x710 [ 868.000405] binder: 21704:21722 ioctl c0306201 20004000 returned -14 [ 868.003143] should_failslab+0xec/0x120 [ 868.003161] __kmalloc_track_caller+0x5f/0x760 [ 868.003178] ? idr_alloc_cyclic+0x1d6/0x320 [ 868.003196] ? kstrdup_const+0x39/0x50 [ 868.003208] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 868.003223] kstrdup+0x39/0x70 [ 868.034536] kstrdup_const+0x39/0x50 [ 868.038260] __kernfs_new_node+0xa2/0x570 [ 868.042417] ? kernfs_dop_revalidate+0x380/0x380 [ 868.047187] ? kasan_check_read+0x11/0x20 [ 868.051342] ? read_word_at_a_time+0x12/0x20 [ 868.055772] ? strscpy+0x186/0x500 [ 868.059338] kernfs_new_node+0x80/0xe0 [ 868.063237] __kernfs_create_file+0x4b/0x320 [ 868.067664] cgroup_addrm_files+0x3c5/0xa70 [ 868.072009] ? cgroup_file_write+0x710/0x710 [ 868.076431] ? getrawmonotonic64+0x460/0x460 [ 868.080380] binder: release 21704:21705 transaction 158 out, still active [ 868.081106] ? kernfs_active+0x92/0x160 [ 868.081129] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 868.081142] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 868.081155] ? cgroup_file_name+0x1d0/0x1d0 [ 868.081181] css_populate_dir+0x340/0x420 [ 868.081201] cgroup_mkdir+0x553/0xfc0 [ 868.081212] ? __lock_is_held+0xb6/0x140 [ 868.088150] binder: undelivered TRANSACTION_COMPLETE [ 868.092091] ? cgroup_destroy_locked+0x750/0x750 [ 868.092106] ? rcu_read_lock_sched_held+0x108/0x120 [ 868.092118] ? kmem_cache_free+0x258/0x2a0 [ 868.092133] ? set_nlink+0xc1/0x160 [ 868.097105] binder: send failed reply for transaction 158, target dead [ 868.101512] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 868.101523] ? generic_permission+0x105/0x3c0 [ 868.101540] ? cgroup_destroy_locked+0x750/0x750 [ 868.161126] kernfs_iop_mkdir+0x153/0x1e0 [ 868.165264] vfs_mkdir+0x390/0x600 [ 868.168793] SyS_mkdirat+0x22b/0x2b0 [ 868.172509] ? SyS_mknod+0x480/0x480 [ 868.176213] ? do_fast_syscall_32+0x156/0xf9f [ 868.180784] ? SyS_mknod+0x480/0x480 [ 868.184495] do_fast_syscall_32+0x3ec/0xf9f [ 868.188983] ? do_int80_syscall_32+0x9c0/0x9c0 [ 868.193548] ? _raw_spin_unlock_irq+0x27/0x70 [ 868.198036] ? finish_task_switch+0x1c1/0x7e0 [ 868.202522] ? syscall_return_slowpath+0x2ac/0x550 [ 868.207438] ? prepare_exit_to_usermode+0x350/0x350 [ 868.212442] ? sysret32_from_system_call+0x5/0x3c [ 868.217275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 868.222110] entry_SYSENTER_compat+0x70/0x7f [ 868.226502] RIP: 0023:0xf7faec99 [ 868.229851] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 868.237554] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 868.244807] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 868.252062] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 868.259491] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 868.266742] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 868.274387] cgroup: cgroup_addrm_files: failed to add cgroup.controllers, err=-12 2018/03/31 21:05:48 executing program 4: r0 = timerfd_create(0x0, 0x0) r1 = dup2(r0, r0) openat$cgroup_ro(r1, &(0x7f0000000000)='cpuacct.stat\x00', 0x0, 0x0) clock_gettime(0x4, &(0x7f0000000080)={0x0, 0x0}) timerfd_settime(r0, 0x1, &(0x7f00000a5ff0)={{0x0, r2}, {0x0, r2}}, &(0x7f000010bff0)) timerfd_gettime(r0, &(0x7f00007feff0)) read(r1, &(0x7f0000941ff8)=""/8, 0x8) ioctl$VT_RESIZEX(r1, 0x560a, &(0x7f0000000040)={0xfff, 0x4, 0x1863, 0x7, 0x100000000, 0x4}) 2018/03/31 21:05:48 executing program 2: syz_emit_ethernet(0x7a, &(0x7f0000000200)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @link_local={0x1, 0x80, 0xc2}, [], {@ipv6={0x86dd, {0x0, 0x6, "f6015b", 0x44, 0x67, 0x0, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, @local={0xfe, 0x80, [], 0xaa}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558}}}}}}}, 0x0) r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x802, 0x0) ioctl$KVM_DEASSIGN_DEV_IRQ(r0, 0x4040ae75, &(0x7f0000000040)={0x1, 0x8, 0x7, 0x404}) 2018/03/31 21:05:48 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x2, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000080)='/dev/snd/midiC#D#\x00', 0x2, 0x14b002) ioctl$sock_inet_SIOCSIFBRDADDR(r1, 0x891a, &(0x7f00000001c0)={'syz_tun\x00', {0x2, 0x4e24, @multicast2=0xe0000002}}) write$selinux_access(r1, &(0x7f00000000c0)={'system_u:object_r:dpkg_lock_t:s0', 0x20, '/usr/lib/telepathy/mission-control-5', 0x20}, 0x49) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r1, 0x40505331, &(0x7f0000000140)={{0x6, 0x71b}, {0x5, 0x1}, 0x2, 0x1, 0x1}) 2018/03/31 21:05:48 executing program 1 (fault-call:6 fault-nth:14): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:48 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = accept4$inet(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, @multicast1}, &(0x7f0000000080)=0x10, 0x80000) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='veno\x00', 0x5) r1 = socket$netlink(0x10, 0x3, 0x4) writev(r1, &(0x7f0000644ff0)=[{&(0x7f0000001300)="480000001400255c0c004b01fcfc8c560a880000f217e0060000000000e5efa1bc560300000000000000200028213ee2060000000000fcffff5bf1ff00c7e5ed5e00000000620000", 0x48}], 0x1) 2018/03/31 21:05:48 executing program 3: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000140)='net/udp6\x00') r1 = syz_open_dev$evdev(&(0x7f0000000180)='/dev/input/event#\x00', 0x4, 0x200000) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, r1, &(0x7f00000001c0)={0x2000}) ioctl$KVM_CREATE_DEVICE(0xffffffffffffff9c, 0xc00caee0, &(0x7f0000000040)={0x2, 0xffffffffffffffff}) ioctl$sock_inet_tcp_SIOCATMARK(r2, 0x8905, &(0x7f0000000080)) r3 = socket$inet6(0xa, 0x3, 0x3a) r4 = openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/autofs\x00', 0x0, 0x0) connect$inet6(r3, &(0x7f0000002fe4)={0xa}, 0x1c) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40047705, &(0x7f0000000200)={0x2, 0x9}) bind$inet6(r3, &(0x7f0000000000)={0xa, 0x0, 0x400, @local={0xfe, 0x80, [], 0xaa}, 0x5}, 0x1c) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000100)) 2018/03/31 21:05:48 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f0000000180)='./file0\x00', 0x20000040000, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) r1 = socket$inet_sctp(0x2, 0x1, 0x84) accept4(r1, 0x0, &(0x7f0000000340), 0x800) r2 = syz_open_dev$audion(&(0x7f00000000c0)='/dev/audio#\x00', 0x5f, 0x200) getpeername(r2, &(0x7f0000000480)=@ipx, &(0x7f0000000100)=0x80) symlinkat(&(0x7f0000000500)='./file0/file0\x00', r2, &(0x7f0000000440)='./file0\x00') r3 = syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) statx(r3, &(0x7f0000000040)='./file0\x00', 0x0, 0x4, &(0x7f0000000200)) 2018/03/31 21:05:48 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) r1 = getpid() getresuid(&(0x7f0000000280)=0x0, &(0x7f0000000500), &(0x7f0000000540)) getgroups(0x6, &(0x7f0000000580)=[0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff]) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f00000008c0)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000900)={{{@in6=@mcast1, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}}}, &(0x7f0000000a00)=0xe8) getgroups(0x2, &(0x7f0000000a40)=[0x0, 0xffffffffffffffff]) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000001e40)='/proc/sys/net/ipv4/vs/sync_threshold\x00', 0x2, 0x0) r8 = gettid() getresuid(&(0x7f0000001e80), &(0x7f0000001ec0)=0x0, &(0x7f00000030c0)) lstat(&(0x7f0000003100)='./file0\x00', &(0x7f0000003140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f00000031c0)={0x0, 0x0}) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000003200)={{{@in=@multicast2, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@local}, 0x0, @in6=@local}}, &(0x7f0000003300)=0xe8) stat(&(0x7f0000003340)='./file0\x00', &(0x7f0000003380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r14 = getpgrp(0x0) r15 = getuid() getresgid(&(0x7f0000003780), &(0x7f00000037c0), &(0x7f0000003800)=0x0) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000003840)=0x0) fstat(r0, &(0x7f0000003880)={0x0, 0x0, 0x0, 0x0, 0x0}) r19 = getegid() ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000003900)=0x0) getresuid(&(0x7f0000003940)=0x0, &(0x7f0000003980), &(0x7f00000039c0)) r22 = getgid() r23 = socket$inet_tcp(0x2, 0x1, 0x0) fcntl$getownex(r0, 0x10, &(0x7f0000003c00)={0x0, 0x0}) stat(&(0x7f0000003c40)='./file0\x00', &(0x7f0000003c80)={0x0, 0x0, 0x0, 0x0, 0x0}) r26 = getegid() r27 = fcntl$getown(r0, 0x9) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000003d00)={{{@in6=@ipv4, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in6=@local}}, &(0x7f0000003e00)=0xe8) fstat(r0, &(0x7f0000003e40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r30 = getpid() getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000003ec0)={{{@in6=@loopback, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@local}, 0x0, @in=@multicast2}}, &(0x7f0000003fc0)=0xe8) getresgid(&(0x7f0000004000), &(0x7f0000004040), &(0x7f0000004080)=0x0) fcntl$getownex(r0, 0x10, &(0x7f0000006c00)={0x0, 0x0}) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000006c40)={{{@in6, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in6}}, &(0x7f0000006d40)=0xe8) lstat(&(0x7f0000006d80)='./file0\x00', &(0x7f0000006dc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000006e40)={0x0, 0x0}) r37 = geteuid() r38 = getgid() r39 = getpid() r40 = getuid() getresgid(&(0x7f0000006e80)=0x0, &(0x7f0000006ec0), &(0x7f0000006f00)) sendmmsg$unix(r0, &(0x7f0000007280)=[{&(0x7f0000000000)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000200)=[{&(0x7f0000000080)="a99c9aa8babf7f2b24730d72f40babcda69feb4dcdabe2e0d9e064259dd7e2df244ffcca0cd1632f6ee66bf693aebd777c6d", 0x32}, {&(0x7f00000000c0)="9260d78f4a42a5d20d305e101f9dac3214323a464d7967e3", 0x18}, {&(0x7f0000000100)="f05a0671ef3555fddd0ded2bca77fe32dbe756d6367194ea87fde70130dbb0818bd203af55268ef1afa5884e06d102d9d50c88add5dd0351c29925cd9c3ea0d9a558dd9e9534052c0551b21de402cebdbf9e002eb917bfd2778d63304cc920bb1aa1675ff7ec7f3fc2c20b45a0474f65e7b340a20f7ab7d041f1d94cc0841cfc35100833", 0x84}, {&(0x7f00000001c0)}, {&(0x7f0000000380)="699ac376473e3b824a74f070460e84acee997656267ab55ae7d817b1e6a8cebeb0e75c3dd8658daedf76821d2e95a0b5c8d1b2582bb69c43a4a11a7267e2f532086f6a115be3298db6ed4ae98f8b2f4cd17e58faed5119f3c65f9ff0ea7107bdfa6993637fadac5a06389187a88b859de80503cda8cdd28fae27838de923ea1616be63", 0x83}, {&(0x7f0000000440)="34c2efa9f7b84931870efad4ab4d14e7b5c7d36bd50c5a52420450c5e8b24089e2ccbfd58db7ea37393998876dd4a2033c616f707548c95b89f5ced3b3e3dff56e4284aaae3de2f84703bb2dc843be3501f9c13af48193fddf002981b254eac76bdf5da04919d6ee636d7f2183a207f74bdff6ad438bb243172fc467be17ee89b6b670f1633793ba", 0x88}], 0x6, &(0x7f00000005c0)=[@cred={0x18, 0x1, 0x2, r1, r2, r3}, @rights={0x14, 0x1, 0x1, [r0, r0]}], 0x2c, 0x4040800}, {&(0x7f0000000600)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f0000000880)=[{&(0x7f0000000680)="ba9e2d676628a6d54e417a4de4dbe26fc0ba1f2783cf53ee6b2564926d9e3a9e45e56621e55962aced0beffd0c6e25821715c7a12e7d29f14b9fc157c31d36a4e36a413a31701c7c406dbd5097a397fe33f0dbae8bb13a858da9b28f2409245f14687f33cf1d361c91893652fa4502ca", 0x70}, {&(0x7f0000000700)="28d2af7975116cc0808f13f4fc6fbb2f14", 0x11}, {&(0x7f0000000740)="4ac21cf233dfb1202c184e45e0c91bf40e353434d4a891cab70492c9882769b484c677ed6b30a3f86efc7c541c", 0x2d}, {&(0x7f0000000780)="d2a8d8f924b40236f0618f4668f25e8c8cb32c29905bc8ce02ccc7c011eec117ce4c50cb45bf9a32f0dd380de626763005342ffe455816caf92347caf3765cdc3617332951e87c40466c9e447b48cff51357cab65cec1e9466a51405f32439f0ddae66e25899b56abd2ae9661cae53957daa4a084953fd7b435447095cf6cdc25ebdbeef5bcc81721b3b03c638dfe67af95a34c634f040dcca2aff2bd6ecd9ab4c8d53460af65b073a", 0xa9}, {&(0x7f0000000840)="c64b056e33a879025378530852800f7a2c1d0ed213974fcae37797c2c8d9a2d0876883162b9f584748a01ae7041dfc", 0x2f}], 0x5, &(0x7f0000000a80)=[@cred={0x18, 0x1, 0x2, r4, r5, r6}], 0x18, 0x4000004}, {&(0x7f0000000ac0)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000001e00)=[{&(0x7f0000000b40)="89f94bd6e43a6894294bff4cea84143ca5416b82226ead3b0905b1fa14ca7c3fb705d5034e498d7fb31bc6edbc393767d8cb1bcca00e5ce6a12fa1e887b44a15faffe32d621220ff2b08f28984cd09e306e6e49c0e80264d4f5528218afe7559d5a13fdb3666de8a5bd98b0c3e9750e9833bfb5b34887dacee29d68e09faa32de743ae38a9beb85b70df95a9e60aa355a67dc093baead3c023e639859abaca045340d4f363a28785433fe31c96ef806a2cf202fc676e78dde676f1bbadc012832fb76cf9fbb7ee6694cf37fe25e79d302445a9c84993e76272aa2153", 0xdc}, {&(0x7f0000000c40)="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", 0xfb}, {&(0x7f0000000d40)="3bc55dc784aa1e9fdd8e", 0xa}, 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0x1000}, {&(0x7f0000005b80)="0efee2ad24ef626e894b43073ce3e7", 0xf}, {&(0x7f0000005bc0)="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", 0x1000}], 0x5, &(0x7f0000006f40)=[@cred={0x18, 0x1, 0x2, r33, r34, r35}, @cred={0x18, 0x1, 0x2, r36, r37, r38}, @rights={0x24, 0x1, 0x1, [r0, r0, r0, r0, r0, r0]}, @cred={0x18, 0x1, 0x2, r39, r40, r41}, @rights={0x28, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r0]}, @rights={0x20, 0x1, 0x1, [r0, r0, r0, r0, r0]}], 0xb4, 0x20000004}, {&(0x7f0000007000)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000007240)=[{&(0x7f0000007080)="90ad1c900c194fa0264f1e855063b1bda776b2b1e1908b221caa1ae09bf36236930e1386fa9726c1d0b3219ea1a06a3d4d026c02cb04247d868e6ce989ad8ea8f3a00e5eecabe448126564f1e64fc48d5ffc527ad571794168df115cf6652d53d390c9878a4d8c6302758cb1aa87bcf65fcdbd1493bdce794d33e6c267fa810c2edb5d66f9f08aff0c45ee0452b2f8810cfcd2da0a434408e1476915", 0x9c}, {&(0x7f0000007140)="f9432d222aae25c753cba32c79067a7f0b708a77bd96365a6a47f02b36b8bbce42de625bc1d00687656a1add19afda1810b7457acc7dc05070c5661ffee17558afc268807c8c216f55eb288dc8c2d67476d1620bce981652960751f142609e11b4db1dcf6fcd0f7e3739129a688edf8c8595066ca3f4a1a8b98db3c30a7769d1ac3e17ed8280f844702466f7b645f09f849f8f2fd8341dffd02e465fc079ba99c74213ddda5a7bc8f6e4eb6201177166d3ea7b6cc3ecec98aedfa88e30d7bd23aa3b7e49f74c3d89ee68bf008a98595a92dd6ac630889928a7ab48fe0f13b5b2fc2baf53134fa79043b84a", 0xeb}], 0x2, 0x0, 0x0, 0x8080}], 0xa, 0x10) [ 868.362681] FAULT_INJECTION: forcing a failure. [ 868.362681] name failslab, interval 1, probability 0, space 0, times 0 [ 868.373980] CPU: 1 PID: 21739 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 868.381341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 868.390693] Call Trace: [ 868.393285] dump_stack+0x194/0x24d [ 868.396918] ? arch_local_irq_restore+0x53/0x53 [ 868.401601] should_fail+0x8c0/0xa40 [ 868.405317] ? kstrdup+0x39/0x70 [ 868.408682] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 868.413769] ? cgroup_mkdir+0x553/0xfc0 [ 868.417732] ? vfs_mkdir+0x390/0x600 [ 868.421426] ? SyS_mkdirat+0x22b/0x2b0 [ 868.425295] ? do_fast_syscall_32+0x3ec/0xf9f [ 868.429772] ? entry_SYSENTER_compat+0x70/0x7f [ 868.434338] ? find_held_lock+0x35/0x1d0 [ 868.438385] ? find_held_lock+0x35/0x1d0 [ 868.442516] ? __lock_is_held+0xb6/0x140 [ 868.446836] ? check_same_owner+0x320/0x320 [ 868.451149] ? rcu_note_context_switch+0x710/0x710 [ 868.456057] ? rcu_read_lock_sched_held+0x108/0x120 [ 868.461058] should_failslab+0xec/0x120 [ 868.465019] kmem_cache_alloc+0x47/0x760 [ 868.469061] ? memcpy+0x45/0x50 [ 868.472320] ? kstrdup+0x59/0x70 [ 868.475668] __kernfs_new_node+0xe2/0x570 [ 868.479808] ? kernfs_dop_revalidate+0x380/0x380 [ 868.484549] ? kasan_check_read+0x11/0x20 [ 868.488676] ? read_word_at_a_time+0x12/0x20 [ 868.493062] ? strscpy+0x186/0x500 [ 868.496588] kernfs_new_node+0x80/0xe0 [ 868.500468] __kernfs_create_file+0x4b/0x320 [ 868.504860] cgroup_addrm_files+0x3c5/0xa70 [ 868.509191] ? cgroup_file_write+0x710/0x710 [ 868.513588] ? getrawmonotonic64+0x460/0x460 [ 868.517982] ? kernfs_active+0x92/0x160 [ 868.521942] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 868.526849] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 868.531322] ? cgroup_file_name+0x1d0/0x1d0 [ 868.535625] css_populate_dir+0x340/0x420 [ 868.539755] cgroup_mkdir+0x553/0xfc0 [ 868.543534] ? __lock_is_held+0xb6/0x140 [ 868.547576] ? cgroup_destroy_locked+0x750/0x750 [ 868.552310] ? rcu_read_lock_sched_held+0x108/0x120 [ 868.557306] ? kmem_cache_free+0x258/0x2a0 [ 868.561523] ? set_nlink+0xc1/0x160 [ 868.565128] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 868.570046] ? generic_permission+0x105/0x3c0 [ 868.574521] ? cgroup_destroy_locked+0x750/0x750 [ 868.579257] kernfs_iop_mkdir+0x153/0x1e0 [ 868.583394] vfs_mkdir+0x390/0x600 [ 868.586916] SyS_mkdirat+0x22b/0x2b0 [ 868.590610] ? SyS_mknod+0x480/0x480 [ 868.594306] ? do_fast_syscall_32+0x156/0xf9f [ 868.598781] ? SyS_mknod+0x480/0x480 [ 868.602473] do_fast_syscall_32+0x3ec/0xf9f [ 868.606777] ? do_int80_syscall_32+0x9c0/0x9c0 [ 868.611338] ? _raw_spin_unlock_irq+0x27/0x70 [ 868.615809] ? finish_task_switch+0x1c1/0x7e0 [ 868.620286] ? syscall_return_slowpath+0x2ac/0x550 [ 868.625194] ? prepare_exit_to_usermode+0x350/0x350 [ 868.630188] ? sysret32_from_system_call+0x5/0x3c [ 868.635017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 868.639842] entry_SYSENTER_compat+0x70/0x7f [ 868.644230] RIP: 0023:0xf7faec99 [ 868.647592] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 868.655290] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 2018/03/31 21:05:49 executing program 7: openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x480c0, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000080)='/dev/snd/pcmC#D#c\x00', 0x0, 0x2000) ioctl$TCFLSH(r0, 0x540b, 0x7) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000389000)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) write(0xffffffffffffffff, &(0x7f00000001c0), 0x0) [ 868.662540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 868.669788] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 868.677035] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 868.684283] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 868.691955] cgroup: cgroup_addrm_files: failed to add cgroup.controllers, err=-12 2018/03/31 21:05:49 executing program 4: r0 = memfd_create(&(0x7f000069bff7)='*^md5sum\x00', 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000edfff8)=@abs, 0x8) sendmmsg$unix(r2, &(0x7f00000bd000), 0x229, 0x0) poll(&(0x7f0000000000)=[{r2, 0x140}], 0x1, 0x9bda) dup2(r0, r1) 2018/03/31 21:05:49 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = syz_open_dev$dspn(&(0x7f0000000140)='/dev/dsp#\x00', 0x2132bcad, 0x8103) ioctl$GIO_UNIMAP(r1, 0x4b66, &(0x7f0000000200)={0x2, &(0x7f0000000180)=[{}, {}]}) perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'lo\x00', 0x0}) sendfile64(r0, r0, &(0x7f0000000040), 0xb8a3) sendmsg$nl_route(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="1800003a6417f7397fb0b8500015002d02000000000000000002000000", @ANYRES32=r2], 0x18}, 0x1}, 0x0) 2018/03/31 21:05:49 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000080)="636d646ce9706500") ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) fgetxattr(r0, &(0x7f0000000040)=@known='system.posix_acl_default\x00', &(0x7f00000000c0)=""/159, 0x9f) 2018/03/31 21:05:49 executing program 1 (fault-call:6 fault-nth:15): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:49 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = getpid() r1 = syz_open_procfs(r0, &(0x7f0000f0c000)='comm\x00') ftruncate(r1, 0x3) ftruncate(r1, 0x435) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r2 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r2, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) pivot_root(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='./file0/file0\x00') symlinkat(&(0x7f0000000400)='./file0/file0\x00', r2, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:05:49 executing program 3: perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xd7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) waitid(0x0, 0x0, &(0x7f00006a3ff0), 0x8, &(0x7f00005d3000)) r0 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0xfffffffffffff801, 0x400000) ioctl$TUNSETLINK(r0, 0x400454cd, 0x300) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000580)='/dev/rfkill\x00', 0x0, 0x0) 2018/03/31 21:05:49 executing program 2: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) fcntl$getown(r0, 0x9) r1 = syz_open_dev$midi(&(0x7f0000000200)='/dev/midi#\x00', 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x8) ioctl$VHOST_SET_LOG_FD(r1, 0x4004af07, &(0x7f0000000040)=r0) syz_open_procfs(0x0, &(0x7f0000a94000)='ns/pid\x00') syz_open_procfs(0x0, &(0x7f0000000000)='ns/pid\x00') 2018/03/31 21:05:49 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") mremap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x4000, 0x2, &(0x7f0000ffc000/0x4000)=nil) fgetxattr(r0, &(0x7f0000000000)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0x9f) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000040)=0x2, 0x4) ioctl$KDADDIO(r0, 0x4b34, 0x9) 2018/03/31 21:05:49 executing program 7: r0 = socket$inet6(0xa, 0x3, 0x6) connect$inet6(r0, &(0x7f0000002fe4)={0xa, 0x4e20, 0x0, @mcast1={0xff, 0x1, [], 0x1}, 0x7}, 0x1c) connect$inet6(r0, &(0x7f0000007000)={0xa, 0x4e20, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}}, 0x1c) getsockopt$IP_VS_SO_GET_DAEMON(r0, 0x0, 0x487, &(0x7f0000000040), &(0x7f0000000080)=0x30) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x800000004e20, 0x0, @remote={0xfe, 0x80, [], 0xbb}}, 0xfffffdff) r1 = accept4(r0, 0x0, &(0x7f00000000c0), 0x80800) ioctl$sock_inet_udp_SIOCOUTQ(r1, 0x5411, &(0x7f0000000100)) [ 868.982653] FAULT_INJECTION: forcing a failure. [ 868.982653] name failslab, interval 1, probability 0, space 0, times 0 [ 868.993969] CPU: 1 PID: 21781 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 869.001324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 869.010678] Call Trace: [ 869.013251] dump_stack+0x194/0x24d [ 869.016859] ? arch_local_irq_restore+0x53/0x53 [ 869.021511] should_fail+0x8c0/0xa40 [ 869.025216] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 869.030300] ? kernfs_add_one+0x50/0x450 [ 869.034340] ? rb_first_postorder+0xa0/0xa0 [ 869.038637] ? kernfs_add_one+0x50/0x450 [ 869.042678] ? trace_hardirqs_off+0x10/0x10 [ 869.046981] ? find_held_lock+0x35/0x1d0 [ 869.051028] ? __lock_is_held+0xb6/0x140 [ 869.055077] ? check_same_owner+0x320/0x320 [ 869.059395] ? lock_downgrade+0x980/0x980 [ 869.063526] ? rcu_note_context_switch+0x710/0x710 [ 869.068438] should_failslab+0xec/0x120 [ 869.072392] __kmalloc_track_caller+0x5f/0x760 [ 869.076953] ? idr_alloc_cyclic+0x1d6/0x320 [ 869.081254] ? kstrdup_const+0x39/0x50 [ 869.085121] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 869.089943] kstrdup+0x39/0x70 [ 869.093114] kstrdup_const+0x39/0x50 [ 869.096816] __kernfs_new_node+0xa2/0x570 [ 869.100945] ? kernfs_dop_revalidate+0x380/0x380 [ 869.105680] ? kasan_check_read+0x11/0x20 [ 869.109811] ? read_word_at_a_time+0x12/0x20 [ 869.114198] ? strscpy+0x186/0x500 [ 869.117722] kernfs_new_node+0x80/0xe0 [ 869.121598] __kernfs_create_file+0x4b/0x320 [ 869.126100] cgroup_addrm_files+0x3c5/0xa70 [ 869.130408] ? cgroup_file_write+0x710/0x710 [ 869.134801] ? getrawmonotonic64+0x460/0x460 [ 869.139189] ? kernfs_active+0x92/0x160 [ 869.143146] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 869.148051] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 869.152523] ? cgroup_file_name+0x1d0/0x1d0 [ 869.156834] css_populate_dir+0x340/0x420 [ 869.160971] cgroup_mkdir+0x553/0xfc0 [ 869.164748] ? __lock_is_held+0xb6/0x140 [ 869.168789] ? cgroup_destroy_locked+0x750/0x750 [ 869.173526] ? rcu_read_lock_sched_held+0x108/0x120 [ 869.178521] ? kmem_cache_free+0x258/0x2a0 [ 869.182738] ? set_nlink+0xc1/0x160 [ 869.186352] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 869.191258] ? generic_permission+0x105/0x3c0 [ 869.195732] ? cgroup_destroy_locked+0x750/0x750 [ 869.200966] kernfs_iop_mkdir+0x153/0x1e0 [ 869.205105] vfs_mkdir+0x390/0x600 [ 869.208658] SyS_mkdirat+0x22b/0x2b0 [ 869.212352] ? SyS_mknod+0x480/0x480 [ 869.216046] ? do_fast_syscall_32+0x156/0xf9f [ 869.220520] ? SyS_mknod+0x480/0x480 [ 869.224210] do_fast_syscall_32+0x3ec/0xf9f [ 869.228513] ? do_int80_syscall_32+0x9c0/0x9c0 [ 869.233074] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 869.238592] ? syscall_return_slowpath+0x2ac/0x550 [ 869.243504] ? sysret32_from_system_call+0x5/0x3c [ 869.248336] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 869.253162] entry_SYSENTER_compat+0x70/0x7f [ 869.257558] RIP: 0023:0xf7faec99 [ 869.260900] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 869.268588] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 869.275846] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 2018/03/31 21:05:49 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_TSS_ADDR(0xffffffffffffffff, 0xae47, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000200)) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/pmtu_disc\x00', 0x2, 0x0) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r2, 0x40505412, &(0x7f0000000080)={0x0, 0x8, 0xfffffffffffffff8, 0x0, 0x1f}) ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_SET_PIT(r1, 0x8048ae66, &(0x7f0000000340)={[{0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x3}]}) 2018/03/31 21:05:49 executing program 7: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) keyctl$join(0x1, &(0x7f0000fb7000)={0x73, 0x79, 0x7a}) keyctl$session_to_parent(0x12) ioctl$SNDRV_CTL_IOCTL_TLV_READ(0xffffffffffffffff, 0xc008551a, &(0x7f00000000c0)={0x1000, 0x4, [0x7fffffff]}) r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'ifb0\x00', 0x4013}) ioctl$TUNSETLINK(r0, 0x400454cd, 0x118) close(r0) perf_event_open(&(0x7f000001d000)={0x2, 0x78}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$vnet(0xffffffffffffff9c, &(0x7f00002ac000)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r1, 0x40000000af01, &(0x7f0000c97ff8)) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x0, 0x0) close(r2) ioctl$VHOST_SET_VRING_ADDR(r1, 0x4028af11, &(0x7f0000b04000)={0x0, 0x0, &(0x7f0000ae5f44)=""/188, &(0x7f0000034000)=""/95, &(0x7f0000ce1f30)=""/208}) ioctl$VHOST_SET_MEM_TABLE(r1, 0x4008af03, &(0x7f0000ee1000)) ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, &(0x7f0000d7c000)) syz_emit_ethernet(0x7a, &(0x7f0000000540)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @link_local={0x1, 0x80, 0xc2}, [], {@ipv6={0x86dd, {0x0, 0x6, "20a17e", 0x44, 0x0, 0x0, @dev={0xfe, 0x80}, @local={0xfe, 0x80, [], 0xaa}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd}}}}}}}, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x2400) r3 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0xfffffffffffffffc}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r4 = syz_open_dev$sndtimer(&(0x7f0000475000)='/dev/snd/timer\x00', 0x0, 0x0) fcntl$addseals(r3, 0x409, 0x3) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r4, 0xc0505405, &(0x7f0000ce8fb0)) r5 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r5, 0x0, 0x27, &(0x7f0000000000)={@multicast2=0xe0000002, @loopback=0x7f000001}, 0xc) setsockopt$inet_msfilter(r5, 0x0, 0x29, &(0x7f0000406fe0)=ANY=[@ANYBLOB="f602fbf6561bc7de644ca44ec951437b"], 0x1) setsockopt$inet_msfilter(r5, 0x0, 0x29, &(0x7f00000001c0)=ANY=[@ANYBLOB="e00000027f00000101000000020000007f000001e0000001e40ba90a1986f076421261ae6c0037feb0c3e78c10e780e830037b438055db56033ce1b5abebde0e7a75abd3c08180a104d469e6cfeeb6d2382ca22b110096364001dd00d638c61477d346ea3fb99af4013b9b166e3007ea75d279e26d95d69abcd38f516613ac5a51480061c06bd9d505bf19e6446a7f39a77e61ddc57e9aee83330b48d8fd936a4dd59af89683203f3b4f7568466b2e1ad9520623c0cb35e4b3140b95443307fc16f63209eccc5d19b69f7f98426880f3f7bd9e5de98be604e16ed5a5efe39123e7c8"], 0x18) 2018/03/31 21:05:49 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x200000, 0x0) write$cgroup_int(r1, &(0x7f0000000100)={[0x3f, 0x2d, 0x0, 0x3f, 0x31, 0x38, 0x3f, 0x3b]}, 0x8) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) bind$alg(0xffffffffffffffff, &(0x7f0000000080)={0x26, 'hash\x00', 0x0, 0x0, 'wp256-generic\x00'}, 0x58) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) socket$vsock_stream(0x28, 0x1, 0x0) ioctl$KVM_SET_TSS_ADDR(r2, 0xae47, 0xd000) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(0xffffffffffffffff, 0x40605346, &(0x7f0000000140)={0x3, 0x2, {0x1, 0x2, 0x3, 0x3, 0xffffffffffffff48}}) ioctl$KVM_RUN(r3, 0xae80, 0x0) ioctl$EVIOCSMASK(r1, 0x40104593, &(0x7f0000000280)={0x17, 0xbe, &(0x7f00000001c0)="ba53969456705b7ed1b1b9112eff2c7fd57f55e1ea13838d6b0eea3793e4c30d09d49f6a797849da99d5be7195a6b0abe9024249a264b457b50b034225bfeff5df347a080209677dea6c351463b743ee9914e6d028e8aff8ceed31101fafe0433ea17e95e7f56dfad6f83db024417243bc4b7802cca44422d71e7eba792e7fa582e6c4882de4a59af6a7906f2f2db6a0bee0cb5436f14703d9a7cc4d1c3c6bcea7f34a86097404c7797340070f2228cc50009af7f9ce1bb24b7b380aac7c"}) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) openat$kvm(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/kvm\x00', 0x101000, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(0xffffffffffffffff, 0x4010ae67, &(0x7f0000000040)={0x5000, 0x10fff}) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 869.283099] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 869.290349] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 869.297596] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 869.305234] cgroup: cgroup_addrm_files: failed to add cgroup.subtree_control, err=-12 2018/03/31 21:05:49 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000000)=@known='user.syz\x00', &(0x7f0000000040)=""/159, 0x101b6) [ 869.463225] can: notifier: receive list not found for dev ifb0 [ 869.524845] can: notifier: receive list not found for dev ifb0 2018/03/31 21:05:50 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0x40, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_config_ext={0xaab, 0x5}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) read(r0, &(0x7f0000000140)=""/91, 0x2ae) lseek(r0, 0x0, 0x1) 2018/03/31 21:05:50 executing program 1 (fault-call:6 fault-nth:16): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:50 executing program 0: r0 = socket$inet_icmp(0x2, 0x2, 0x1) r1 = fcntl$getown(r0, 0x9) r2 = syz_open_procfs(r1, &(0x7f0000001f00)="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") fgetxattr(r2, &(0x7f0000000000)=@known='user.syz\x00', &(0x7f0000000180)=""/159, 0x9f) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x4081, 0x0) dup3(r0, r2, 0x80000) memfd_create(&(0x7f0000000100)='\\\x00', 0x3) r3 = memfd_create(&(0x7f00000000c0)='\\\x00', 0x1) ioctl$KDGETLED(r3, 0x4b31, &(0x7f0000000080)) ioctl$EVIOCSABS0(r3, 0x401845c0, &(0x7f0000000040)={0x9, 0x1, 0x6d, 0x8, 0x3, 0x80000000}) 2018/03/31 21:05:50 executing program 5: bind$inet(0xffffffffffffffff, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket(0x0, 0x8000f, 0x54c) sendmsg$nl_generic(r2, &(0x7f0000002200)={&(0x7f0000000e00)={0x10}, 0xc, &(0x7f00000021c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="140000001e00100000000000fbdbdf2500000000e0a5fd601e578dc8c3b237961b756924a86ab0b0ee1964cda63599c5f829f4a2e970981ce1a4"], 0x14}, 0x1}, 0x0) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x8) sendmmsg$unix(r1, &(0x7f00000bd000), 0x80, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(0xffffffffffffffff, 0x0, 0x487, &(0x7f00000001c0)={{0x0, @multicast1=0xe0000001, 0x0, 0x0, 'lc\x00'}}, 0x44) epoll_wait(0xffffffffffffffff, &(0x7f0000000440), 0x0, 0x0) recvmmsg(r0, &(0x7f0000000140)=[{{&(0x7f0000413ffa)=@hci, 0x80, &(0x7f0000b60000), 0x0, &(0x7f0000000000)}}], 0x400000000000272, 0x0, 0x0) r3 = openat$dsp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp\x00', 0x0, 0x0) ioctl$KDGKBLED(r3, 0x4b64, &(0x7f0000000100)) setsockopt$netlink_NETLINK_PKTINFO(0xffffffffffffffff, 0x10e, 0x3, &(0x7f0000000340), 0x4) sendto$inet(0xffffffffffffffff, &(0x7f0000a88f88), 0x29f, 0x0, &(0x7f0000e68000)={0x2, 0x0, @loopback=0x7f000001}, 0x10) ioctl$sock_inet_SIOCGIFPFLAGS(0xffffffffffffffff, 0x8935, &(0x7f0000000040)={'bond0\x00'}) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000080)) getsockopt$IPT_SO_GET_ENTRIES(0xffffffffffffffff, 0x0, 0x41, &(0x7f0000000480)=ANY=[@ANYBLOB="030000000000000000000000000000000000000000000000000000000000000000000000"], &(0x7f0000000000)=0x24) 2018/03/31 21:05:50 executing program 4: r0 = perf_event_open(&(0x7f0000014f88)={0x1, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00002c3000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) r1 = epoll_create(0x5) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000002c0)={0x40002000}) poll(&(0x7f0000000040)=[{r1, 0x41}], 0x1, 0xffffffffffffffff) epoll_pwait(r1, &(0x7f0000c58000)=[{}], 0x1, 0x8000000000000075, &(0x7f0000654ff8), 0x8) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) mmap(&(0x7f000037a000/0x3000)=nil, 0x3000, 0x7, 0x32, r0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000100)={0xa0000001}) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$IP_VS_SO_SET_STOPDAEMON(r2, 0x0, 0x48c, &(0x7f0000000140)={0x3, 'irlan0\x00', 0x2}, 0x18) setsockopt$inet6_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x29, 0x2a, &(0x7f00002e9000)={0x1, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}}, 0x88) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(0xffffffffffffffff, 0x84, 0x7, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r3 = syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0x9, 0x20040) ioctl$TIOCSWINSZ(r3, 0x5414, &(0x7f00000001c0)={0x40, 0x80000001, 0x1, 0x4}) setsockopt$kcm_KCM_RECV_DISABLE(0xffffffffffffffff, 0x119, 0x1, &(0x7f0000000400)=0x6000000, 0x4) recvfrom$packet(0xffffffffffffffff, &(0x7f0000000200)=""/174, 0xae, 0x40000001, &(0x7f00000057c0)={0x11, 0xfd, 0x0, 0x1, 0xa63d, 0x6, @random="4ff61ccef577"}, 0x14) 2018/03/31 21:05:50 executing program 7: r0 = syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0x0, 0x8042) ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r0, 0xc1105511, &(0x7f0000000100)={{0x2, 0x0, 0x0, 0x0, "386aea20273dc03c3d18dd0dbd4a0ca15f9f580393cc4ec3b8ee256b9aa630224ba64c6ff43ee01d2996c914"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "eda422cd37591b3a5a7a683380f7e0b9e790c6b72cd0a4f3342f7431c1699a305ca3091bb2320e8df4e298a2cca26637866a68c1426ffbd8a6c7da1d8ea77d9d", &(0x7f00000000c0)='/dev/snd/controlC#\x00', 0x13}) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000003c0)='/proc/self/net/pfkey\x00', 0x800, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) ioctl$SIOCGIFMTU(0xffffffffffffffff, 0x8921, &(0x7f0000000140)) ioctl$KVM_SET_TSS_ADDR(0xffffffffffffffff, 0xae47, 0xd000) r3 = add_key$user(&(0x7f0000000480)='user\x00', &(0x7f00000004c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000500)="d3238eea76b0470531092a0a77b0b49789a0fc97b8f8b9e23a2a5a5a0c169ed6e83480b4801dbf79db3527904ee3128c05ce2806e210237c36b88ceabe99d8784860e5d0e91fe33d38d0133e056cdd1e2910d57fc5eb1b23db3b60a7077ff33bb6c7445cd258ee25f9187269c22d1ed05acb2b9b599bd285b692257a631754ab9befebd3fdb3167361c24c5c5dcf90e476e052b9d22362c57878cb7205fe361346d6beb77b7844", 0xa7, 0xfffffffffffffffe) r4 = add_key$keyring(&(0x7f00000007c0)='keyring\x00', &(0x7f0000000800)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffff8) keyctl$instantiate_iov(0x14, r3, &(0x7f0000000780)=[{&(0x7f0000000840)="edb4a01f68d76905035a4ebdd427d31585a5a650581902b1c077f74ca8f1ce7d3e2f6e1c6760433af9664b3f3bebab3a1a1c4ef86f42c39b758accc1e7637bb18d28248dc7a1719b73388830b162613b17fd02220bd1fe2ad86adb96efcfc672d126ae58f745fba0e7534cdbae947449df767bd76a0c38b5752dcd13f7065edea86dc156c0708e76c2c99a94a95f1e93ff73cb3eb94e06d399cf48aaac7963d13e4b3a6b32bc2b19d5461545dcf3f71bb24442d286421f8d891d77a3c4c1c9435bbdf187682c22ded22b669b7790d05b4894166a2d5f33098cf908a23a2e0671d824e88942fbe0bd1416c98d9b1b48816fd53e", 0xf3}], 0x1, r4) r5 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_UNREGISTER_COALESCED_MMIO(r5, 0x4010ae68, &(0x7f0000000000)={0x0, 0x5000}) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r1, 0x84, 0x6c, &(0x7f00000002c0)={0x0, 0x67, "315eba35fef25b76c081dec72d8e594540e590d62a237c7be38977f835ce5fd147b2bfe704bf7cffbe0a69a70772a4637e2b91b497bafa80c35255a7821e9d44c67ad949e38a4c94072070ba7b51b6e1bfda5561b6464512c433b33f964074ced0b02501b121af"}, &(0x7f0000000340)=0x6f) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000380)={r6, 0xf71, 0x30}, 0xc) ioctl$KVM_CREATE_PIT2(r5, 0x4040ae77, &(0x7f0000000440)={0xfffffffffffffff7}) r7 = ioctl$KVM_CREATE_VCPU(r5, 0xae41, 0x0) setsockopt$inet_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f0000000280)='tls\x00', 0x4) r8 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x40, 0x0) fcntl$F_SET_RW_HINT(r1, 0x40c, &(0x7f0000000240)) connect$vsock_stream(r8, &(0x7f0000000080)={0x28, 0x0, 0xffffffff, @my=0x1}, 0x10) dup2(r2, r7) dup3(r2, r5, 0x0) ioctl$KVM_GET_FPU(r1, 0x81a0ae8c, &(0x7f0000000940)) r9 = syz_open_procfs(0x0, &(0x7f00000000c0)='loginuid\x00') getsockopt$inet6_mtu(r9, 0x29, 0x17, &(0x7f0000000140), &(0x7f0000000180)=0x4) getdents(r8, &(0x7f00000005c0)=""/249, 0xf9) getrlimit(0xd, &(0x7f0000000400)) ioctl$sock_inet_tcp_SIOCINQ(r9, 0x541b, &(0x7f0000000100)) writev(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000000080)="1f0000000203193b0000070000000681", 0x10}], 0x1) 2018/03/31 21:05:50 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_TSS_ADDR(r1, 0xae47, 0xd000) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@textreal={0x8, &(0x7f0000000080)="baa100b000eef36cba2100ec66b9800000c00f326635001000000f30bad104ecc80080d267d9f8f30f1bb429000f20c06635200000000f22c067f3af", 0x3c}], 0x15555555555555fb, 0x0, &(0x7f0000000100), 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_SET_MSRS(0xffffffffffffffff, 0x4008ae89, &(0x7f0000000080)={0x1, 0x0, [{0x0, 0x0, 0x802}]}) ioctl$KVM_SET_GUEST_DEBUG(r2, 0x4048ae9b, &(0x7f00000001c0)={0x1, 0x0, [0x2, 0x8, 0x8, 0x100000001, 0x80000001, 0x0, 0x9, 0x60]}) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/sloppy_sctp\x00', 0x2, 0x0) getsockname$netrom(r3, &(0x7f0000000100)=@full, &(0x7f0000000180)=0x48) syz_open_dev$dspn(&(0x7f0000016ff6)='/dev/dsp#\x00', 0x0, 0x0) ioctl$int_in(0xffffffffffffffff, 0x0, &(0x7f0000000000)=0x7f) dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/03/31 21:05:50 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) r1 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x3, 0xa00) ioctl$KDGKBMODE(r1, 0x4b44, &(0x7f00000000c0)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) [ 869.679512] FAULT_INJECTION: forcing a failure. [ 869.679512] name failslab, interval 1, probability 0, space 0, times 0 [ 869.690848] CPU: 0 PID: 21816 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 869.698215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 869.707574] Call Trace: [ 869.710179] dump_stack+0x194/0x24d [ 869.713830] ? arch_local_irq_restore+0x53/0x53 [ 869.718522] should_fail+0x8c0/0xa40 [ 869.722329] ? kstrdup+0x39/0x70 [ 869.725734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 869.730844] ? cgroup_mkdir+0x553/0xfc0 [ 869.734842] ? vfs_mkdir+0x390/0x600 [ 869.738561] ? SyS_mkdirat+0x22b/0x2b0 [ 869.742455] ? do_fast_syscall_32+0x3ec/0xf9f [ 869.746962] ? find_held_lock+0x35/0x1d0 [ 869.751038] ? find_held_lock+0x35/0x1d0 [ 869.755110] ? __lock_is_held+0xb6/0x140 [ 869.759198] ? check_same_owner+0x320/0x320 [ 869.763549] ? rcu_note_context_switch+0x710/0x710 [ 869.768485] ? rcu_read_lock_sched_held+0x108/0x120 [ 869.773516] should_failslab+0xec/0x120 [ 869.777497] kmem_cache_alloc+0x47/0x760 [ 869.781562] ? memcpy+0x45/0x50 [ 869.784851] ? kstrdup+0x59/0x70 [ 869.788233] __kernfs_new_node+0xe2/0x570 [ 869.792396] ? kernfs_dop_revalidate+0x380/0x380 [ 869.797169] ? kasan_check_read+0x11/0x20 [ 869.801333] ? read_word_at_a_time+0x12/0x20 [ 869.805756] ? strscpy+0x186/0x500 [ 869.809334] kernfs_new_node+0x80/0xe0 [ 869.813233] __kernfs_create_file+0x4b/0x320 [ 869.817657] cgroup_addrm_files+0x3c5/0xa70 [ 869.822025] ? cgroup_file_write+0x710/0x710 [ 869.826453] ? getrawmonotonic64+0x460/0x460 [ 869.830875] ? kernfs_active+0x92/0x160 [ 869.834870] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 869.839807] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 869.844302] ? cgroup_file_name+0x1d0/0x1d0 [ 869.848617] css_populate_dir+0x340/0x420 [ 869.852756] cgroup_mkdir+0x553/0xfc0 [ 869.856539] ? __lock_is_held+0xb6/0x140 [ 869.860606] ? cgroup_destroy_locked+0x750/0x750 [ 869.865345] ? rcu_read_lock_sched_held+0x108/0x120 [ 869.870344] ? kmem_cache_free+0x258/0x2a0 [ 869.874564] ? set_nlink+0xc1/0x160 [ 869.878174] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 869.883084] ? generic_permission+0x105/0x3c0 [ 869.887561] ? cgroup_destroy_locked+0x750/0x750 [ 869.892299] kernfs_iop_mkdir+0x153/0x1e0 [ 869.896524] vfs_mkdir+0x390/0x600 [ 869.900049] SyS_mkdirat+0x22b/0x2b0 [ 869.903747] ? SyS_mknod+0x480/0x480 [ 869.907446] ? do_fast_syscall_32+0x156/0xf9f [ 869.911923] ? SyS_mknod+0x480/0x480 [ 869.915618] do_fast_syscall_32+0x3ec/0xf9f [ 869.919927] ? do_int80_syscall_32+0x9c0/0x9c0 [ 869.924500] ? _raw_spin_unlock_irq+0x27/0x70 [ 869.928980] ? finish_task_switch+0x1c1/0x7e0 [ 869.933461] ? syscall_return_slowpath+0x2ac/0x550 [ 869.938374] ? prepare_exit_to_usermode+0x350/0x350 [ 869.943383] ? sysret32_from_system_call+0x5/0x3c [ 869.948212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 869.953046] entry_SYSENTER_compat+0x70/0x7f [ 869.957434] RIP: 0023:0xf7faec99 [ 869.961318] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 869.969023] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 2018/03/31 21:05:50 executing program 0: socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) fsync(r0) getpgrp(0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000200)) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000280)={0x0}, &(0x7f0000000380)=0xc) r3 = syz_open_procfs(r2, &(0x7f00000003c0)='sessionid\x00') fgetxattr(r3, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:05:50 executing program 3: r0 = socket$nl_xfrm(0x2, 0x6, 0x21) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10d, 0x10, &(0x7f0000000000)=0x1, 0x4) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000240)={0x5, r0, 0x1}) recvfrom$unix(r1, &(0x7f0000000340)=""/83, 0x53, 0x40000000, &(0x7f00000003c0)=@abs={0x1, 0x0, 0x4e22}, 0x6e) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000280)=0x0) ioctl$sock_SIOCSPGRP(r1, 0x8902, &(0x7f0000000440)=r2) r3 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x200000, 0x0) recvfrom$unix(r3, &(0x7f00000000c0)=""/27, 0x1b, 0x20, &(0x7f00000001c0)=@file={0x0, './file0\x00'}, 0x6e) sendmsg$nl_xfrm(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)=@newpolicy={0xb8, 0x13, 0x0, 0x0, 0x0, {{@in6=@loopback={0x0, 0x1}, @in=@loopback=0x7f000001}}}, 0xb8}, 0x1}, 0x0) [ 869.976279] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 869.983531] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 869.990871] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 869.998122] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 870.005845] cgroup: cgroup_addrm_files: failed to add cgroup.subtree_control, err=-12 2018/03/31 21:05:51 executing program 0: r0 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x1f, 0x4800) r1 = fcntl$getown(r0, 0x9) r2 = syz_open_procfs(r1, &(0x7f0000000380)="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") setsockopt$IP_VS_SO_SET_ADD(r2, 0x0, 0x482, &(0x7f0000000080)={0x29, @loopback=0x7f000001, 0x4e21, 0x2, 'wlc\x00', 0xc, 0xffff, 0x50}, 0x2c) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000280)={r2, &(0x7f0000000100)="83e30f488f1fb8199e7c282e2e40e2ce4d6002b1fe90b66f7cf3f226ea644001e82adcfe76ea0cfe0ae70b84249a384d4f092315d374ebb1e34e7e00bcf84f54544e", &(0x7f0000000180)=""/139}, 0x18) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0x40082404, &(0x7f00000000c0)=0x5) fgetxattr(r2, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0x20, 0x220200) 2018/03/31 21:05:51 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x0, 0x10880) ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(r1, 0x80dc5521, &(0x7f0000000040)=""/251) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f00000a2ffc)=0x3, 0x4) bind$inet(r0, &(0x7f0000eed000)={0x2, 0x4e21}, 0x10) syz_emit_ethernet(0x2a, &(0x7f0000000140)=ANY=[@ANYBLOB="ffffffffffff000014000043d95541ab0df9d51d177d4f0008004500001c00000600000000000000cee6b9876da18b29727559b25da2a240ffbbe000000100004e2100089078"], 0x0) 2018/03/31 21:05:51 executing program 1 (fault-call:6 fault-nth:17): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:51 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f00000000c0)={0x2, 0xfffffffffffffe18, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x3, @perf_config_ext={0x2, 0x1f}, 0x0, 0x0, 0x2, 0x7, 0x0, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x101800, 0x0) ioctl$KVM_DEASSIGN_DEV_IRQ(r0, 0x4040ae75, &(0x7f0000000040)={0x0, 0x5091, 0x6, 0x402}) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) socket$key(0xf, 0x3, 0x2) unlinkat(r1, &(0x7f0000000200)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r1, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:05:51 executing program 2: clone(0xf81b8ebd00dde9c3, &(0x7f0000000000), &(0x7f000099d000), &(0x7f00000000c0), &(0x7f0000000100)="a6581019cdbe54f5eaf292a30c3f49ceab1e459f7828ee4b88a1466ac59d62f0803626734f3a2f68ad5183fa5d328209ee9ca694b0eb41a75f2f8f507a487cdf215cd947d5c443596ddbd7578e43860ebc1b1f58f4be7548bb06294ded146b0802e0357afaa2170725e20e6b8400a53dfdc77726bbe59e9a2e20f976aeeec3ef0c93237b762d579642b13577c6f587ed54b431925a") 2018/03/31 21:05:51 executing program 4: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x0, 0x0) ioctl$ION_IOC_HEAP_QUERY(r0, 0x80045105, &(0x7f0000000fe8)) ioctl$TIOCSSOFTCAR(r0, 0x541a, &(0x7f0000000040)=0xc20) 2018/03/31 21:05:51 executing program 7: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000e15000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000798ffd)="71e67a26", 0x4) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmsg(r1, &(0x7f0000236fe4)={0x0, 0x0, &(0x7f0000000380), 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="0c0000001701000003000000f80bca96eabb45ebe0888e6ae8e7df97672e3e7e025133b51dbfa875b8eceb820918828f6fea521be365aaa7e0c1e707b0f70dc0d81a76fc0c635544952a97a7fbe43c9dcd1488cac0708efdfb40816aa1fffb158b8f1e5a37b6750da77ac5eb4ea241e02538d2a91c6ed2b5503cfba2758792b581f83bdb632663fd4781d762012182407bd8f75b821710aa05111e07f891b3202ca5de025f220f68209553ac12f953c449589ac7163789efa94fbdb9bf42dee4509a8f36c24f8d1a17c6c01146715515"], 0xc}, 0x0) 2018/03/31 21:05:51 executing program 5: r0 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x1f, 0x10000) sysfs$3(0x3) ioctl$KVM_REINJECT_CONTROL(r0, 0xae71, &(0x7f0000000040)={0x5}) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000240)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r1, &(0x7f0000001f40)=@join_mcast={0x16, 0x0, 0x3, {&(0x7f00000000c0), 0x0, 0xffffffff, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0xffffff6e) [ 870.890929] FAULT_INJECTION: forcing a failure. [ 870.890929] name failslab, interval 1, probability 0, space 0, times 0 [ 870.902240] CPU: 0 PID: 21860 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 870.909604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 870.918959] Call Trace: [ 870.921554] dump_stack+0x194/0x24d [ 870.925192] ? arch_local_irq_restore+0x53/0x53 [ 870.929898] should_fail+0x8c0/0xa40 [ 870.929921] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 870.929939] ? kernfs_add_one+0x50/0x450 [ 870.929954] ? kernfs_add_one+0x50/0x450 [ 870.929974] ? trace_hardirqs_off+0x10/0x10 [ 870.929992] ? find_held_lock+0x35/0x1d0 [ 870.930012] ? __lock_is_held+0xb6/0x140 [ 870.930042] ? check_same_owner+0x320/0x320 [ 870.930054] ? lock_downgrade+0x980/0x980 [ 870.930069] ? rcu_note_context_switch+0x710/0x710 [ 870.930093] should_failslab+0xec/0x120 [ 870.930107] __kmalloc_track_caller+0x5f/0x760 [ 870.930120] ? idr_alloc_cyclic+0x1d6/0x320 [ 870.930137] ? kstrdup_const+0x39/0x50 [ 870.930151] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 870.930170] kstrdup+0x39/0x70 [ 870.930183] kstrdup_const+0x39/0x50 [ 870.930195] __kernfs_new_node+0xa2/0x570 [ 871.005440] ? kernfs_dop_revalidate+0x380/0x380 [ 871.005465] ? kasan_check_read+0x11/0x20 [ 871.005480] ? read_word_at_a_time+0x12/0x20 [ 871.005491] ? strscpy+0x186/0x500 [ 871.005518] kernfs_new_node+0x80/0xe0 [ 871.005535] __kernfs_create_file+0x4b/0x320 [ 871.005555] cgroup_addrm_files+0x3c5/0xa70 [ 871.005583] ? cgroup_file_write+0x710/0x710 2018/03/31 21:05:51 executing program 2: r0 = socket(0x10, 0x802, 0x0) sendmsg$nl_generic(r0, &(0x7f0000fc6fc8)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000572000)={&(0x7f0000000080)=ANY=[@ANYBLOB="7f3603cfc3f06063435c0b1647c7a23d7eb46d92ceeb55249e144257791f0000001835"], 0x14}, 0x1}, 0x0) setsockopt$RDS_RECVERR(r0, 0x114, 0x5, &(0x7f0000000040), 0x4) 2018/03/31 21:05:51 executing program 7: perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x400000000001, 0x0) r1 = dup(r0) getsockopt$EBT_SO_GET_INIT_INFO(r1, 0x0, 0x82, &(0x7f0000000300)={'broute\x00'}, &(0x7f0000000380)=0x50) getsockname$packet(r1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000140)=0x14) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={@loopback={0x0, 0x1}, @remote={0xfe, 0x80, [], 0xbb}, @mcast1={0xff, 0x1, [], 0x1}, 0x7, 0x5, 0x20, 0x500, 0x87, 0x100020, r2}) 2018/03/31 21:05:51 executing program 4: r0 = creat(&(0x7f0000000000)='./file0\x00', 0x0) r1 = getegid() setfsgid(r1) unshare(0x40600) pwrite64(r0, &(0x7f00000000c0), 0x0, 0x0) 2018/03/31 21:05:51 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000080)='/dev/loop#\x00', 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000389000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$jfs(&(0x7f0000000040)='jfs\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x8, &(0x7f0000000640)=[{&(0x7f0000000140)="074d5dad4df2e1caef6296f968b70171696f81b157f04dd29c739eb71e783d0969ee2fcb4a6558b2546ddffb7f99e7d6f223834e4ff90fb42aa36a2930ea6a8c81cd318f94817bab0193c084374b4b647ceccf5df29c9e5e2e47928c624a39e151e20af6a53462f9a6c270e7a2028e130e8ea7f9", 0x74, 0x8}, {&(0x7f00000001c0)="318e88cdb3", 0x5, 0x6}, {&(0x7f0000000200)="ee502b649aee9dfbefdea59fb7827fa14500013317f7475936120c960cd288010eada294b7e5cecd82099312a244f37bac755e1245a0d3c79e831293aad773b19340c79e7de18ae26d8ff030e6", 0x4d, 0x8}, {&(0x7f0000000280)="20b1e73ab3b1", 0x6, 0x8}, {&(0x7f00000002c0)="d346ea7eac15c78453c1941d9e85b7fbe81531ae3d5a883a1060a94bc9896f8448f187957aa7d1d79746a7be903503ce4144115218c04651ed430a75542c8d413128201c61c11467e37722dc2ffeb4d857f5dedb4fa02324165c17f7ca3bd43f3f3669f536fa5e31b37bc80437c350e73aab7e10dc9eefc5037f35b02c0ac3bea301d153d700fbdaa61746095432591a616299194789816a4ccd348ddf66aec3b934133f15bdc842bc", 0xa9, 0x3}, {&(0x7f0000000380)="5050fa96c2ce1891009e967c85aac1f6439ada9e5d63e5548fc3175da8c5f056ac1a1bed4a990c2ac75b28adc86a7fc953f637a89ad212c8c83b4c645fe3cc51f28037174e7438748d74a5d004777a7e30e7fce3b766736c3745da1b364b2506", 0x60, 0x7}, {&(0x7f0000000500)="2b6204f8a0a05dfe4383171a40a2fa71ef911f5585c9cdf3333a1f736255543baf4196d0c13b4aa801ce20afe546f0f75e36ffb9aee2b3b0b092c502c5a3e2e94c15b79161a532b648262933941eea613fab01940145560bd916e3800528ebdcd3a9c8a6bbc826b184b632b2290d150a4455f0376ceeb76184fb109040746f0bf57839e3100676d49e97b1cdb6d07815c72269403ef0b8db2e5fbe77e4d77e6846a833cf3d55b967274fdcfc518e57", 0xaf, 0x1}, {&(0x7f00000005c0)="e39d5e95a2c82130eac62f8e7014f9689e6a24b9a6c1de5d313c0eb8da69b655c1090e6ae5223cda285adf7bc5d7b38441cc709ee1d0637be862d56f7c534b70bcfafa1f76e7fd16ce5ebbc6", 0x4c, 0x6}], 0x0, &(0x7f00000006c0)={[{@gid={'gid', 0x3d, [0x36, 0x31, 0x35, 0x34, 0x31]}, 0x2c}, {@umask={'umask', 0x3d, [0x36, 0x3f, 0x37, 0x7d, 0x0, 0x78, 0x37, 0x3b, 0x7f]}, 0x2c}, {@errors_continue='errors=continue', 0x2c}, {@resize='resize', 0x2c}, {@umask={'umask', 0x3d, [0x7f, 0x35, 0x39, 0x38, 0x7bfea9528ad80237]}, 0x2c}, {@uid={'uid', 0x3d, [0x78, 0x3f, 0x33, 0x38, 0x2d, 0x33, 0x36]}, 0x2c}, {@errors_remount='errors=remount-ro', 0x2c}]}) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)={0x0, 0x0}) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) ioctl$LOOP_SET_STATUS(r0, 0x4c02, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "4134e475824fbfaeefb278580e4aedd886c0b629cd32c56ebff94329c3a32a4b8c171676b94083085709923fd77ead8ca0073183b09c62b90673944ded2f276e", "49710f9d865ae1e1c7c5bd92a1b9375555874f087c556b616155647a2732f399"}) syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') [ 871.005607] ? getrawmonotonic64+0x460/0x460 [ 871.005623] ? kernfs_active+0x92/0x160 [ 871.005640] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 871.005651] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 871.005664] ? cgroup_file_name+0x1d0/0x1d0 [ 871.005687] css_populate_dir+0x340/0x420 [ 871.005705] cgroup_mkdir+0x553/0xfc0 [ 871.005717] ? __lock_is_held+0xb6/0x140 [ 871.005737] ? cgroup_destroy_locked+0x750/0x750 [ 871.005748] ? rcu_read_lock_sched_held+0x108/0x120 [ 871.005759] ? kmem_cache_free+0x258/0x2a0 [ 871.087595] ? set_nlink+0xc1/0x160 2018/03/31 21:05:51 executing program 3: r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000140)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000080)={{&(0x7f0000000000/0x4000)=nil, 0x4000}, 0x1}) munmap(&(0x7f0000002000/0x1000)=nil, 0x1000) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcs\x00', 0x0, 0x0) ioctl$DRM_IOCTL_GET_MAP(r1, 0xc0186404, &(0x7f0000000100)={&(0x7f0000002000/0x1000)=nil, 0x40, 0x5, 0x66, &(0x7f0000ffe000/0x2000)=nil, 0x1}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000003000/0x1000)=nil, 0x1000}, 0x1}) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={&(0x7f0000002000/0x4000)=nil, 0x4000}) 2018/03/31 21:05:51 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000001c0)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="1800e92e01000000000000000000040000000000"], 0x18}, 0x1}, 0x0) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/qat_adf_ctl\x00', 0x0, 0x0) getsockopt$inet_buf(r1, 0x0, 0x26, &(0x7f0000000400)=""/99, &(0x7f0000000480)=0x63) r2 = socket$bt_bnep(0x1f, 0x3, 0x4) ioctl$BINDER_THREAD_EXIT(r1, 0x40046208, 0x0) getsockopt$bt_BT_RCVMTU(r2, 0x112, 0xd, &(0x7f0000000040)=0x7, &(0x7f0000000080)=0x2) pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f0000000200)={0x0, 0x8}, &(0x7f0000000240)=0x8) ioctl$EVIOCGSW(r4, 0x8040451b, &(0x7f00000004c0)=""/154) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r3, 0x84, 0x71, &(0x7f0000000280)={r5, 0x2e8c00000000}, 0x8) setsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r3, 0x84, 0x6, &(0x7f0000000340)={r5, @in={{0x2, 0x4e23, @rand_addr=0xffffffffffffffff}}}, 0x84) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r2, 0x800442d2, &(0x7f0000000100)={0x1, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, @remote}]}) [ 871.091268] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 871.096214] ? generic_permission+0x105/0x3c0 [ 871.100726] ? cgroup_destroy_locked+0x750/0x750 [ 871.105490] kernfs_iop_mkdir+0x153/0x1e0 [ 871.109652] vfs_mkdir+0x390/0x600 [ 871.113201] SyS_mkdirat+0x22b/0x2b0 [ 871.116927] ? SyS_mknod+0x480/0x480 [ 871.120648] ? do_fast_syscall_32+0x156/0xf9f [ 871.125282] ? SyS_mknod+0x480/0x480 [ 871.129872] do_fast_syscall_32+0x3ec/0xf9f [ 871.134555] ? do_int80_syscall_32+0x9c0/0x9c0 [ 871.139143] ? _raw_spin_unlock_irq+0x27/0x70 [ 871.143663] ? finish_task_switch+0x1c1/0x7e0 [ 871.143681] ? syscall_return_slowpath+0x2ac/0x550 [ 871.143695] ? prepare_exit_to_usermode+0x350/0x350 [ 871.143709] ? sysret32_from_system_call+0x5/0x3c [ 871.143725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 871.143744] entry_SYSENTER_compat+0x70/0x7f [ 871.143754] RIP: 0023:0xf7faec99 [ 871.143761] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 871.143775] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 2018/03/31 21:05:51 executing program 4: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) connect$inet(r0, &(0x7f0000000100)={0x2, 0x4e20, @rand_addr=0x401}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000001c0)='ip6_vti0\x00', 0xfedb) sendmsg(r0, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001540)=[{&(0x7f0000000340)="8c", 0x1}], 0x1, &(0x7f0000004740), 0x387}, 0x0) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r2 = socket$inet_sctp(0x2, 0xa, 0x84) write$rdma_cm(r1, &(0x7f00000000c0)=@create_id={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000080)={0xffffffff}, 0x2}}, 0x20) write$rdma_cm(r1, &(0x7f00000003c0)=@resolve_ip={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, {0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, r3}}, 0x48) write$rdma_cm(r1, &(0x7f0000000440)=@resolve_ip={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, {0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, r3}}, 0x48) r4 = dup3(r2, r1, 0x80000) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000000c0)='vcan0\x00', 0x10) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') sendmsg$IPVS_CMD_GET_SERVICE(r4, &(0x7f0000000280)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000004c0)={0x114, r5, 0x8, 0x70bd25, 0x25dfdbfc, {0x4}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8d9}, @IPVS_CMD_ATTR_DEST={0xc, 0x2, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xfffffffffffffffd}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x100000001}, @IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x3}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'sh\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}]}, @IPVS_CMD_ATTR_DAEMON={0x38, 0x3, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @loopback={0x0, 0x1}}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x81}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x7}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0x40, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0xc, 0x6, 'none\x00'}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0xff}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x10, 0x8}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}]}, @IPVS_CMD_ATTR_DAEMON={0x48, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'eql\x00'}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0xb246}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local={0xac, 0x14, 0x14, 0xaa}}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @rand_addr=0x4}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x5}]}, 0x114}, 0x1, 0x0, 0x0, 0x800}, 0x4004010) sendto$inet(r0, &(0x7f0000000200)="9cd5ad9df23a4c4d90561c1c8189aa7a44031e3d49a713060e21069ebe8a32e944a6623a1b933c8de67c3d762628dc8c25960a8e12080f10881124438a2b5a9ab49049759dbda977e5", 0x49, 0x1, &(0x7f0000000080)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendto$inet(r0, &(0x7f0000000300)='X', 0x1, 0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_TREAD(r4, 0x40045402, &(0x7f00000002c0)=0x1) 2018/03/31 21:05:51 executing program 5: r0 = userfaultfd(0x400000000800) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) timer_create(0x0, &(0x7f0000000140)={0x0, 0x0, 0x0, @thr={&(0x7f0000000040), &(0x7f0000000080)}}, &(0x7f0000000180)) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000040)={0x2, r0, 0x1}) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffff9c, 0x84, 0x11, &(0x7f0000000080)={0x0, 0xe61}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f00000001c0)={r2, 0x1f, 0x40}, &(0x7f0000000200)=0x8) sendfile(0xffffffffffffffff, r0, &(0x7f0000000280), 0x5dae) rt_sigpending(&(0x7f0000000100), 0x8) r3 = gettid() r4 = request_key(&(0x7f0000000340)='dns_resolver\x00', &(0x7f0000000380)={0x73, 0x79, 0x7a, 0x0}, &(0x7f00000003c0)='\x00', 0xfffffffffffffffe) keyctl$read(0xb, r4, &(0x7f0000000400)=""/4096, 0x1000) getpgid(r3) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f000072f000)={{&(0x7f000043c000/0x4000)=nil, 0x4000}, 0x1}) ioctl$BINDER_THREAD_EXIT(0xffffffffffffffff, 0x40046208, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000240)={0xe4d0, 0x0, 0x10000, 0x8}) ioctl$DRM_IOCTL_AGP_FREE(0xffffffffffffffff, 0x40206435, &(0x7f00000002c0)={0x0, r5, 0x0, 0x6}) ioctl$UFFDIO_REGISTER(r0, 0xc028aa03, &(0x7f00000a0fe0)={{&(0x7f000014d000/0x800000)=nil, 0x800000}}) 2018/03/31 21:05:51 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") setsockopt$inet_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000008ac0)={0x5, [0x339b, 0x62, 0x4, 0x1f, 0x8000]}, 0xe) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000008a40)={0x53, 0x206, 0xe4c, 0x0, 0x0}, &(0x7f0000008a80)=0x10) truncate(&(0x7f0000008d40)='./file0\x00', 0xb17) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={r1, @in6={{0xa, 0x4e20, 0xf892, @empty, 0x7}}, 0x5, 0x9, 0x4000000040000000, 0x7fff, 0x7}, &(0x7f00000000c0)=0x98) r3 = add_key$user(&(0x7f0000008b00)='user\x00', &(0x7f0000008b40)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000008b80)="66803d8e45c5d9733ba77f3bf09efb53ab32971e2584d0a70e4ce113baa16ed79cc4c0d1e4726847f89ae05575afd9400084d27c80a1e941eea737106185a3dba76d6020c3b51718fbf1e09b1373d3a2e3f9320640f4e417e1df81cd97da448d6a26c3bd9550996a485e6551a31a49a3f752da872039a1d1b18b72b9d3a56df057b085434d9c08d7a1db5d4d7b4db18305f3d22c32fe6a734b9d9883086a6a9c4b13bf9cfc67623efdeadc6f259c885257481c4758ae818b81e61e5974b87392af61", 0xc2, 0xffffffffffffffff) r4 = request_key(&(0x7f0000008c80)='cifs.idmap\x00', &(0x7f0000008cc0)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000008d00)='user.syz\x00', 0xfffffffffffffffe) keyctl$link(0x8, r3, r4) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000100)={r2, 0x9}, &(0x7f0000000140)=0x8) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f0000000180)=""/159, 0x9f) sendmmsg$nfc_llcp(r0, &(0x7f0000008940)=[{&(0x7f0000000280)={0x27, 0x0, 0x0, 0x1, 0x8, 0x80000001, "e8034b5ac844fbe57b86c87da6254addc81c79fde3a41a2893f0ce9f6bb09dc5338db086c874850e4565d062e9c78580343657fbeb85d7a1a025bcdc6432b3", 0x26}, 0x58, &(0x7f0000001880)=[{&(0x7f0000000300)="e5781efff8d1ba71e100b0363336b5606a7dfadb7e2c9435140a216ce86324b2560954bafc73f339de50dc1e50", 0x2d}, {&(0x7f0000000340)="db5e8ed79e83304b154733dccab61bc7519e72eba68a05e56d4d2f7a07c7e68d2c18d0285440b41aa69028bbd4d09c2e2cd43bd305330b4be3a0f6fc156e21171d8dc7f387be2235c081095f9a1e7b61a1f836f55c0c646f8f24b7631027d56d78c548c5eff49eae793ee9cc3e83783f0e857e87c07383dcc22cca6e2e3d7d7ffe517e8e6f57a81f38f25ec0b7542fff2258c6ab8af2e67229879a068b9794a724af68e9c590d92c59d1052808dfee3695871cbfbdb01d77d35afafc9bb18af34af7399f4b1dd32b0573e02d3bdb7332af9871126a894d37ba173ae7829e0410aa125fa582b5ae", 0xe7}, {&(0x7f0000000440)="ac6d9f29f6fb234d99a8fa4cc32b24d369c5fd3ebad576267c76da19ca589449fd91ba070d3ed0bdfc43e6211ae634731ebd0583146715f3986c49bafc644ee94e7d2778e9fa8af7a5b9e07397c3972aee1f4873ee6f19565a027cb5d3806c4e959f86b285eb140944782b3489a64c12bef8f46b9828636d251dd12ea95b6e93a4f82b4ec20a24eb798241", 0x8b}, {&(0x7f0000000500)="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0x1000}, {&(0x7f0000001500)="dd2d77fc468f3e7196666735e7938f3d6a1d2527a6ef9af9fefe300130857dbcede0c30c260d659094b3355789762be9cce0e37bcbb5d85dfb8163eb5226cce0ff55965c4cd6ed6d73bbc5a4f607172bfaaed2fe064d38071f80d954cdc10e82ba5243ef102083a17f6ab72e881f4bd5c99da3e50a1987811b0f62212a61fed3fc4dae8ae079d5b2e071ce19fc4c1cad627a6bdc1e6eb1b179371b947af1bc8c48f759a00c378b8c76a0bbd64b519abb8baaadf633c312e5a00da415e3ac3b5a17473ced740c3bbe50ecdd", 0xcb}, {&(0x7f0000001600)="c7ebc9b7df85cdec2d68462ac70988de5966618705ddd83d5be78409abdb39c3ec56db9591f4dfb6720e2ca1175cf2807eababe63f2e72e8356764238a375f5b83b36ea0f4097f58a5e1c4ca0bfb813b3db06ee6d35bb3b7d41a6f4bc34fd5a1edc8d387f97be50383d437b32ddac58a7e8f6c21e8702a12cd6c7f5f07e72d53a9e0de03e94d22674b9809932739a3504032231bb7ba7b33accc", 0x9a}, 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{&(0x7f00000060c0)="a46eab473362ea2aea48c5d36e3c7993383f8875d0b4d2c13e592e0c8ba68bbe7edd96d65311a6fcbbd2baa1f00826cb5d496cbd8b699b701f1af4f7bd0b2034f9a4d5ea91dbb2bc3105705dd31468154f57b53728a6714b92dcf41dbc32a8ba79cf4430a5902890102d53a02e098e100a77f43e8bf275fa55e72c111176c214a431a6f6377270f8fd3b879f3367437fce566256cdbadea6f31899ce38067e6a4db39928983b930341861bf8a1ca46d026921b1867588a499e4de64d6a5a529d0946fd6e8818df159392aa9bcef5d3c6b10e07814c28b340f7aa76ca7bbb37", 0xdf}, {&(0x7f00000061c0)="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", 0xfb}], 0x3, &(0x7f0000006300)=ANY=[@ANYBLOB="0000030000000000000000004287f80abd292337642d1d9d1d94f431718c24b159c3feb0c663f6382fa4720d3a08855f151df5144f0d27f6f2f892e71a45b2fd8aca7260bcc640e3316c2b721f576c30832d96490e157f229fa7255243000000000000"], 0x63, 0x4000000}, {&(0x7f0000006380)={0x27, 0x1, 0x1, 0x7, 0x0, 0x3, "c0dea92d9db6476bcda5146571d805c9cdc0c825ee74ba9acf8d2bc10777a1e3f5ded0ee04169751d3577c0879ddf3a75173f231046d7c46ab02673993a329", 0x6}, 0x58, &(0x7f0000006640)=[{&(0x7f0000006400)="e9c942418dc0a09944fb5afc9885bd3091776bc904127dfbbb0b2527258448f91066783c9b0b48b9f51842764c96116541190c8b6133a3df9cd922d6085d8cc05720a33a03f98b7e189ea8535bfc369f91d8f630a2a2b1e0b7c6b6cf8834b31340a9fa8e4581ecf5125196fdfc560b556cad80806f921e950a957e0bd7a87b21d0efbe101979af99d1f4ace47a80dbdbe2f5edda8ef22bb001c319e03a4e73fc1035fe0eba23c3eaf9a7dd1844b922e56fa57759ab33d6621c90c72d77efb89869be7dd476c265c7cdb767ecfa521048d3fb8a3d0fd3f1d6d7", 0xd9}, {&(0x7f0000006500)="32c109a29187ee2a59dd2c9eb62cd641ef4a1c0ba2db60ca8a9571e9ae9ea5b515ac3f9811e306d028cbf267d74d5691ef4099806770761d6ed17325a0832af726e9005e2946cfe18a1b1580bd3ffb3880e85b4384fcae9120d183a2f8abd229d5bd6b35bdd0fd2c4dfaf7aa67c2d8a33907dcd6f82f84454e8b45874fb16ec4e37eaf9a914e29344e33ce188c604fc3aa0755f1795d72b6f5cc8782c6ac962833b97a6b1250814d9f7f1d8900816f2de39a5b78fc91a2b038cc412ef7756a7103270178e5990b18253ebb10c9ce95b74b52c6722556d334afd41e1a", 0xdc}, {&(0x7f0000006600)="9d19ea844c3f82fa95c36d6efb40fd580e88591505140d8884", 0x19}], 0x3, &(0x7f0000006680)={0x48, 0x11b, 0x8, "baf252f76e92008720e5b65b5560b1c7e4cba24fe4d14a4980cbaaa458b9e5df9a027349ad881f2f23f5894b424344a655d82791077520048d94c2"}, 0x48}, {&(0x7f0000006700)={0x27, 0x0, 0x2, 0x7, 0x8, 0x3, "4d0bd86563bd62f055e394c3b4a7662818d5d725a4c861fac560c36330f71637ef200d68b6c0c271c5d20f2bdecb4a0c6a5c693ce02b09b9f23960b1c9d397", 0xf}, 0x58, &(0x7f0000006c40)=[{&(0x7f0000006780)="00144078dfef0c74cacadfad2c5c0cafd222fc25d9a3463640261ccf1d34ddb33158c047961ebdcd005ea10abd8f3bbac7f09cc88f8465407f06d9b2cf50617930c1132c4cb09a16408fa2ab307a1532ff", 0x51}, {&(0x7f0000006800)="4b93d61a5f029026e4fd46951da8819b5fccd46ff828ab07a131a8cde1e99942024b39c6f0a9c85dc1fde3da5d73a7bc43f15de4ee5e7b9f5585115c1e7c84ea3cc0eb22013afadcae64d2ac9e546c3ceebcf580bcb1a59dd2edcab44ebe206f71b4f17086cf56a74a53cb42900407a2305b14c59728e4083f1e2c7beb547d72534c1b3dc414703688cf322391532b3a7e", 0x91}, {&(0x7f00000068c0)="2730b98ecf2736e0e0964635cc62f64132545dc76627faea440d4ee16e09cecf065f4373d54bb070f780d4a30deb4a08c4c9e0ff88b0ab59aa07a67d89bffe7ddd4d13161f4b53638368f9b8a771b55a013c7d9aefef33f2dd6f88df7cfc17522f6d95717f372586452d00b288c0c375e35391aca2f22c7d199450888c12bac0bab4bb7a8db787ad7e615ed77910c93ed797f9a091a0ac49cd0b9dfa631098028519b61ceeb394", 0xa7}, {&(0x7f0000006980)="af7b8ea2d6e10a48693a9dfe9aea487eca1abc82424b484537064e08653368017ea0e14464783a9d50e870e158c53fc122e0bfa890566a4cc5e7811e8c15f61b26624f5022fc05b91d510ec4a2419176287374ad9648d6677f0859168b61f6c32a067430c7121006bc85b9800f9e75cb0f30e049e1a0bb08e6691f2d0710adc2adf9516541df1bdbdec5a730373c06538b43", 0x92}, {&(0x7f0000006a40)="731363dd9cee84c8e9ab70ba6e6ad6759ff7ed9debb6c9d6e2bd18369294d784f27d20b76a795ec5f8a9262b3e2052b314818e3b5fbde4735f0ed4d84642412b67afcfeaad1e705acf4f", 0x4a}, {&(0x7f0000006ac0)="ecb64dae66b501f7fadbd849aaec6461b0ba1e1e0f2e870bd7f59aab4e2fe80494fb39c2f295fd42041f90cebd", 0x2d}, {&(0x7f0000006b00)="abc3708fbbef867c2188f9dc482e15007b7e56ab07151965a847c72d3205abc885a9003b401039e732c5fcf01112009221abbc22c1f3ca1d5bf58e44421b6ff0538ece1e924280e0f41798f16449b49eaff2ad5eb06d816ad7a17ae5087a5e0e9518974362ecbc93cdb862238c6dda52c48a2f9f51fdd21142d83d116981d2523ec6b59b81c156a4b304c2cee64e64b7f1a809b5dd978f5128f20c250d971cce020d99a454c3471e1d577986f10dc29daf7cc760397b33b0741432df85c0e3ed33791f8e5b82e488ed7ed2932f23cf0554adea502c75707499caada6210529f940d36a400cace3934e0a10fa239c0d6fcd5a69618fd4", 0xf6}, {&(0x7f0000006c00)="c48972e58ade410c588d747836d945c56ad7769fc8f4434924ab76f94f7e656ad0b2359ccf75ac2e95cb07e3bdc1d6d3", 0x30}], 0x8, &(0x7f0000006c80)={0x88, 0x11f, 0x9, "4b0a4f107e2c668d90be5ccd9ebea51f335af64f3611117cf8d74d029fcf1d70f4744cc84a2eb4968b4f923368c9ae2fa0fbb6c6a2def0824a3ce25f8c35f9dca7db2659e4b528437c52ad9b75a449d830a8681ed629595b9d7f77ed79a01506be7dc70fc20512867027dfdae0651cb64c256df6d0304c22b1"}, 0x88, 0x8800}, {&(0x7f0000006d40)={0x27, 0x0, 0x2, 0x3, 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{&(0x7f0000006f80)="32781b8e7bc3cfbff0dd3a202f4b8a06bc443cf14186856e36f9b34a838dec51fa65c24afcd526e16672c40f0f9a99b8b41d9408a8eadbf282c663592e597bbd64c8da94332388cd60917f6f0958f26df3bfdc82df562f8043ef150c57eb62b4b0567633c1a36d2f8d1d58a7614c815688ca0d37a257d7aff234310a0380e8509a39394962328d3f5fcb9a8c958173caba667676fd59e8f22155772e2a451dd80545", 0xa2}, {&(0x7f0000007040)="5347692d02026766bd66b0efd8764831a60826fa865737f16cb600af7a5af020836f693b26120b79809956646d29fbae8516abc5cd415d50424e9f329a9f68134692cb923785f4891778ceff9fe7a9d9b3ebcdb4f3419e9ad75890dd6bada415feb043164bf9214cea30f26eeda63be95b71ffdabfc2fc4efc134d2a8e36d697dab64e964af6a114ad1d865563c3bdfb9e5378061b6340bcd520f871182f0e0359ecf6d9b82215710bedce31021e2a38a29d2eac555695e77996c82c5bd48236a1c0fc", 0xc3}, {&(0x7f0000007140)="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", 0x1000}, {&(0x7f0000008140)="fec71a0f39fe7a7474b23970012ec508968d8988da5bf809f876fd1fd1e790a8fcf447e0bc613acc5c52179e65d34687b0bd17112cc66e1491e399abd5937a88e074bc9806e686911274a6005975d2666b704ad71cdc3bf4d4ee7dd8aaad33a9230dc930d6727b54b65be227ebb9fd732a64dfbd40bc62c4747b3114e9673d67eae941d5801d3e881c69844df5c0659a075f7a93275eacf155d7b58ef7192493b3bc6a33b7b67ef06bbca0df6e102c21efe9a88e65433914f5d295598eb9a0084d07", 0xc2}], 0x7, &(0x7f0000008280)={0x54, 0x111, 0xfffffffffffffff8, "12a7e165bef772fc4560b15f6e074fceb20b92ae671a89586cf05f3db7d6e62187c4046797637d9a1fae33a28ce9f35dac3de41ec683266ac3038b6b599e9617ca26d6147a9a"}, 0x54, 0x4000840}, {&(0x7f0000008300)={0x27, 0x1, 0x2, 0x5, 0x4, 0x9, "a43ff6b7b398c80b7fea37537446de3d32d270375227459371dce15a22ed21015fc6b0e8864bda7e3030a08349f62140f8e710cc0773f62a33f44cd7972671", 0x5}, 0x58, &(0x7f0000008400)=[{&(0x7f0000008380)="2f9fa7dafb3f3bda090a35430da3a7664770d1071a5cc4b3f3e43ff816831403c626db10159e54267f22574b607c260247397042dcc4aeb49767ab47b9ec37b6e448e672beabc35b0ecc78346630b0b723b034b39c6db824c7d7d9d3b916a0e712afb2f7", 0x64}], 0x1, &(0x7f0000008440)={0xc8, 0x0, 0x2, "b1716afab3432eac988abe1ee4ba3725a1cb99c75e5385ff50b5abc52c5b16001124195a1841432bc2d01ddbf3ca38fa7e206c443eb5927064b488fcb8cbdc4100765dd49ab2c6075b602c687839ccafd3eae7d3f256730eeb01c8328d33d440d1834578fb1fd1f5269337dac0e0a65570a4fc695cec9c75d379ea5888799f86c7be290b23521a4af15d0eebd85b86d32fe993b75388ab003bd4c38f53a5bc0909837c40cb6d490fd01e74b4dfc8be96831b23e076b88dac6f385a"}, 0xc8, 0x8004}, {&(0x7f0000008540)={0x27, 0x0, 0x1, 0x3, 0x4, 0xfffffffffffffc01, "a289a2d5831f3f8c23b6df71ce1b9af8f83152f2258921a914cc9938541eff62a6d711a3c0b7c1d7215e308e586f6ddb9db169c21e18552a9d8df5e659148b", 0xc}, 0x58, &(0x7f00000086c0)=[{&(0x7f00000085c0)="0553e6fb1f4e192809b62e3b92b970c1802106721a5f3d17df41831544cfd2bcd7cb6bd66fef6890e62c07a325441237138900fdd1176b4d656e1105a6b178eabc903a71b95e98076be3", 0x4a}, {&(0x7f0000008640)="5c617f31cdf28b067d69ea3f541cd1482ff255168e39f45b756e75873b008a5a2704", 0x22}, {&(0x7f0000008680)="5998430e69c4dd67ef451c2deaf6f3885b575f24a6405df7c21f08a01b7f07719b", 0x21}], 0x3, &(0x7f0000008700)={0x60, 0xff, 0x95, "5d57bfa6cebce5fb1c73ce44be84b1331a3e4a174df738745676ccf2e943c141dc6bf86934d4bd0a91473a3d7c84e2105e2949c167c3831834630acaff4caeb6d87d05e90de21d4d57e5263db7ecaff8e736e4"}, 0x60, 0x4000041}, {&(0x7f0000008780)={0x27, 0x0, 0x2, 0x1, 0x8, 0x9, "d672ca5dbc539bf3b681479a54db1d120172edcad610e5ff666239d341902687e05962432a5bb33baf02311bcdc1259f9cb032acb9f310565c5d3d1617a73b", 0x24}, 0x58, &(0x7f0000008880)=[{&(0x7f0000008800)="25972b85849ed62f7d09ae42ace37a52cf5916355cebcb4921eec691b58731ed9a9365f3e253acb15a45b92a18ecbf25168f2ca0f52a85d6f2e1f1fdc7aeb7e2327ca0c8aa3f74479afc9eedeacc47b0471f6e42acb9467ef296d8", 0x5b}], 0x1, &(0x7f00000088c0)={0x74, 0x107, 0x6, "5de92e1f7a9544fd169ffb4c0ef0ddc78d0d8705abc593b22fd2de298a25590634584481828df81def3372439ed75f0dd2a5826af604f6223b8b8eb034ecc94ce9252fb72f9ebfa87a6a6e0f3b2874f9baa69a5dfd706e6e908226a6a2ab883246cf6afcafae7825"}, 0x74, 0x1}], 0x9, 0x20008080) ioctl$KVM_GET_MP_STATE(r0, 0x8004ae98, &(0x7f0000008d80)) [ 871.143781] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 871.143790] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 871.150310] QAT: Invalid ioctl [ 871.153187] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 871.153195] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 871.153446] cgroup: cgroup_addrm_files: failed to add cgroup.events, err=-12 [ 871.182439] QAT: Invalid ioctl 2018/03/31 21:05:51 executing program 2: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x0, 0x0) ioctl$TIOCGSOFTCAR(r0, 0x5419, &(0x7f0000000080)) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket(0x11, 0x4000000000080002, 0x0) sendmmsg$inet_sctp(r1, &(0x7f0000871fc8)=[{&(0x7f000086c000)=@in6={0xa, 0x0, 0x2}, 0x1c, &(0x7f0000d1e000), 0x0, &(0x7f0000dda000)}], 0x492492492492510, 0x0) 2018/03/31 21:05:51 executing program 1 (fault-call:6 fault-nth:18): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:51 executing program 7: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r1 = getpgrp(0xffffffffffffffff) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000040)=0x0) setpgid(r1, r2) write$rdma_cm(r0, &(0x7f0000003d40)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000003d00), 0x111, 0xb}}, 0x20) write$rdma_cm(r0, &(0x7f00000050c0)=@create_id={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000005080), 0x2, 0x1009}}, 0x20) write$rdma_cm(r0, &(0x7f0000005200)=@create_id={0x0, 0x18, 0xfa00, {0x3, &(0x7f00000051c0), 0x2, 0xb}}, 0x20) bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x106a}, 0x212) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x7, 0x0, 0x1, 0x1}], {0x95}}, &(0x7f0000000000)="73010080001e000000", 0x1, 0xfb, &(0x7f00001a7f05)=""/251}, 0x48) write$rdma_cm(r0, &(0x7f0000005900)=@create_id={0x0, 0x18, 0xfa00, {0x1, &(0x7f00000058c0), 0x13f, 0x1}}, 0x20) write$rdma_cm(r0, &(0x7f0000006600)=@create_id={0x0, 0x18, 0xfa00, {0xff, &(0x7f00000065c0)={0xffffffff}, 0x111}}, 0x20) write$rdma_cm(r0, &(0x7f0000006640)=@migrate_id={0x12, 0x0, 0xfa00, {&(0x7f0000005940), r3, r0}}, 0xf132ceb8dec2e3c2) write$rdma_cm(r0, &(0x7f0000000000)=ANY=[], 0x0) 2018/03/31 21:05:51 executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000000000)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f00004ca000)={&(0x7f0000690000)={0x1c, 0x3, 0x206, 0x1, 0x0, 0x0, {}, [@nested={0x8, 0x1, [@generic="06"]}]}, 0x1c}, 0x1}, 0x0) fstatfs(r0, &(0x7f00000000c0)=""/113) r1 = syz_fuseblk_mount(&(0x7f0000001380)='./file0\x00', &(0x7f00000013c0)='./file0\x00', 0xbffb, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xb21, 0x2001) r2 = dup(0xffffffffffffffff) sched_setaffinity(0x0, 0x8, &(0x7f0000000040)=0x2) setsockopt$packet_tx_ring(0xffffffffffffffff, 0x10f, 0x87, &(0x7f0000265000)=@req={0x3fc, 0x0, 0x1}, 0x10) r3 = socket(0x8, 0x3, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000080)=@ipx, 0x80, &(0x7f0000000240)=[{&(0x7f0000000200)=""/23, 0x17}], 0x1, &(0x7f0000000280)}, 0x0) setsockopt$packet_tx_ring(r3, 0x10f, 0x87, &(0x7f0000265000)=@req={0x3fc, 0x0, 0x1}, 0x10) ioctl$sock_bt(r3, 0x8907, &(0x7f0000000100)="d1519476405b25275bf431f0b467745d32817024112c8030ddcbd02dcc5e373e7d698fb9ff5692caf2f4a165ec616aea1ca0e879bbe69b1ba831a2228484adfc805eeb94c4a2a6bc3ff1ef3d028b05883c26dca0a8a3580f9b69a1a27f34f61a7ee2227e6b258bd22675f39694f870f00e7c55f04b506ce3852621d825e10aea6f5b3a6f45b6a3b4f8eb3a9f200e23848aa133a55277e079b8622ba60fe236dfd79e571304e00ee7e8f8908c3b1cbba466195672354d3efaf8d083a0f35086de") sendto(0xffffffffffffffff, &(0x7f0000000180), 0x0, 0x0, 0x0, 0xfffffffffffffff9) sched_yield() epoll_ctl$EPOLL_CTL_DEL(r2, 0x2, r3) perf_event_open(&(0x7f0000000300)={0x2, 0x70, 0x3e2, 0x1, 0x4000000000, 0x0, 0x0, 0x4, 0x18020, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0x0, r2, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$getown(r1, 0x9) 2018/03/31 21:05:51 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x402, 0x0) ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f00000000c0)=""/100) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r1, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r1, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) [ 871.412979] FAULT_INJECTION: forcing a failure. [ 871.412979] name failslab, interval 1, probability 0, space 0, times 0 [ 871.424360] CPU: 0 PID: 21917 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 871.431736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 871.441104] Call Trace: [ 871.443711] dump_stack+0x194/0x24d [ 871.447363] ? arch_local_irq_restore+0x53/0x53 [ 871.452062] should_fail+0x8c0/0xa40 [ 871.455354] netlink: 'syz-executor3': attribute type 1 has an invalid length. [ 871.455782] ? kstrdup+0x39/0x70 [ 871.455806] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 871.455819] ? cgroup_mkdir+0x553/0xfc0 [ 871.475481] ? vfs_mkdir+0x390/0x600 [ 871.479184] ? SyS_mkdirat+0x22b/0x2b0 [ 871.483073] ? do_fast_syscall_32+0x3ec/0xf9f [ 871.487559] ? find_held_lock+0x35/0x1d0 [ 871.491611] ? find_held_lock+0x35/0x1d0 [ 871.495661] ? __lock_is_held+0xb6/0x140 [ 871.499722] ? check_same_owner+0x320/0x320 [ 871.504035] ? rcu_note_context_switch+0x710/0x710 [ 871.508962] ? rcu_read_lock_sched_held+0x108/0x120 [ 871.513967] should_failslab+0xec/0x120 [ 871.517925] kmem_cache_alloc+0x47/0x760 [ 871.521967] ? memcpy+0x45/0x50 [ 871.525234] ? kstrdup+0x59/0x70 [ 871.528590] __kernfs_new_node+0xe2/0x570 [ 871.532733] ? kernfs_dop_revalidate+0x380/0x380 [ 871.537477] ? kasan_check_read+0x11/0x20 [ 871.541608] ? read_word_at_a_time+0x12/0x20 [ 871.546001] ? strscpy+0x186/0x500 [ 871.549543] kernfs_new_node+0x80/0xe0 [ 871.553418] __kernfs_create_file+0x4b/0x320 [ 871.557811] cgroup_addrm_files+0x3c5/0xa70 [ 871.562123] ? cgroup_file_write+0x710/0x710 [ 871.566521] ? getrawmonotonic64+0x460/0x460 [ 871.570935] ? kernfs_active+0x92/0x160 [ 871.574894] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 871.579804] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 871.584282] ? cgroup_file_name+0x1d0/0x1d0 [ 871.588593] css_populate_dir+0x340/0x420 [ 871.592727] cgroup_mkdir+0x553/0xfc0 [ 871.596509] ? __lock_is_held+0xb6/0x140 [ 871.601428] ? cgroup_destroy_locked+0x750/0x750 [ 871.606168] ? rcu_read_lock_sched_held+0x108/0x120 [ 871.611166] ? kmem_cache_free+0x258/0x2a0 [ 871.615385] ? set_nlink+0xc1/0x160 [ 871.619011] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 871.623926] ? generic_permission+0x105/0x3c0 [ 871.628404] ? cgroup_destroy_locked+0x750/0x750 [ 871.633145] kernfs_iop_mkdir+0x153/0x1e0 [ 871.637279] vfs_mkdir+0x390/0x600 [ 871.640808] SyS_mkdirat+0x22b/0x2b0 [ 871.644508] ? SyS_mknod+0x480/0x480 [ 871.648204] ? do_fast_syscall_32+0x156/0xf9f [ 871.652685] ? SyS_mknod+0x480/0x480 [ 871.656380] do_fast_syscall_32+0x3ec/0xf9f [ 871.660703] ? do_int80_syscall_32+0x9c0/0x9c0 [ 871.665269] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 871.670791] ? syscall_return_slowpath+0x2ac/0x550 [ 871.675709] ? sysret32_from_system_call+0x5/0x3c [ 871.680539] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 871.685468] entry_SYSENTER_compat+0x70/0x7f [ 871.689859] RIP: 0023:0xf7faec99 [ 871.693208] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 871.700898] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 871.708148] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 871.715396] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 871.722647] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 871.729914] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 871.737566] cgroup: cgroup_addrm_files: failed to add cgroup.events, err=-12 2018/03/31 21:05:52 executing program 4: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x4e20, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) r1 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x181002, 0x100) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@sack_info={0x0, 0xdc, 0x3}, &(0x7f0000000080)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000180)={r2, 0x68, &(0x7f0000000100)=[@in={0x2, 0x4e22, @multicast1=0xe0000001}, @in6={0xa, 0x4e20, 0x7f, @remote={0xfe, 0x80, [], 0xbb}, 0x7}, @in6={0xa, 0x4e23, 0x6, @mcast1={0xff, 0x1, [], 0x1}, 0x2}, @in={0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, @in={0x2, 0x4e21, @broadcast=0xffffffff}]}, &(0x7f00000001c0)=0xc) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x4e20, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000000c0)={0x0, 0x0, 0x80000001}, 0x10) 2018/03/31 21:05:52 executing program 7: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0], &(0x7f000095dffc)=0x8) r2 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f0000000000)={r1, 0x0, 0xfffffffffffffffd, 0x0, 0x1}, &(0x7f0000000080)=0x14) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f00000000c0)=@sack_info={r3, 0x0, 0xfffffffffffffff9}, 0xc) 2018/03/31 21:05:52 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x400000, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0xffffffffffffffff) writev(0xffffffffffffffff, &(0x7f0000fea000)=[{&(0x7f00008c2ef5)}], 0x1) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1000, &(0x7f0000ffe000/0x1000)=nil}) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f00000001c0)=ANY=[@ANYBLOB="02000000009c0300000000400000000000470f000000000001000040735ba4b345"]) 2018/03/31 21:05:52 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) getsockopt$inet6_dccp_buf(r0, 0x21, 0x80, &(0x7f0000000000)=""/229, &(0x7f0000000100)=0xe5) 2018/03/31 21:05:52 executing program 5: r0 = socket$inet6(0xa, 0x805, 0x0) setsockopt$inet6_buf(r0, 0x29, 0x37, &(0x7f0000000000)="ade7ba89439e84656a0ab447932b7facb4b96e74793c1df64f7b27589b8a45fd77c11b1d6e803b1b6597232842f7fafde37804c8fd3b8cbdd85af827f2e0fcc90d6c977724342007f3029349f3e66ad60d5599d042be1138455adb08c95d027ebed42596ab791f57", 0x68) 2018/03/31 21:05:52 executing program 1 (fault-call:6 fault-nth:19): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:52 executing program 3: mkdir(&(0x7f00000e1000)='./file0\x00', 0x0) acct(0x0) r0 = open(&(0x7f0000851000)='./file0\x00', 0x0, 0x0) lseek(r0, 0xfffffffffffffffc, 0x0) ioctl$KVM_GET_MSRS(r0, 0xc008ae88, &(0x7f0000000000)=ANY=[@ANYBLOB="0600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000"]) 2018/03/31 21:05:52 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) socketpair$ax25(0x3, 0x5, 0xcf, &(0x7f0000000040)) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) [ 871.801956] netlink: 'syz-executor3': attribute type 1 has an invalid length. 2018/03/31 21:05:52 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='cpuacct.usage_sys\x00', 0x0, 0x0) accept4$ipx(r0, &(0x7f0000000040), &(0x7f0000000080)=0x10, 0x800) r1 = syz_open_procfs(0x0, &(0x7f0000001f00)="2f657865000000000000d50fef7afaf807e3c2f98d0d02812e3ca05fc31e623a2a051fc20fa5a02d84267a0067ac78b8ed1ee48d8097f99d3188a59818771e21974fc3d02efdabd0512782c2474e0a8c17538091e53bdc54aa574b0615a98c9046beb56b8bb5744fcc54b400dec854d2da9efbbdf5e4c75fae864cc0fce7514c133f17a1b93b735d3d5b3e10b683128034ec6e19ed879a810a401f95b9860b41b3b8683ac1b6f21c21769cbd07a9b0f2ab9711ecaaf67a7a74beef377c60b435f3eee826d174ca7516e89abcebd589104d80402accdc8d7ae101c57bbc26c33df519152ef8daf388b20fbc8c55cdb7d471a822531e7d7b88bbb269d72051d9f92d569935ce2b387f9e30fabf336e53827a8bdd4f7c3fba515ade98e68d965b0a52ec80d74eebb4c2904be489d2d473dab9f302545f6fd2973979092a404bdee5aad5d3eb20cb69f2e8c01eab7fbf98463fcdeb034f041dbd1cd779e40828d9db22f3e839a3f58a0e6ac2312fb1f95ffb6e97c6cc55353b7301984f08f9ca247456b5628692d5e443455794a27c4b194226b60a3b19bf09a2595e1d5aa5eb62934533af467d7de9c30c5f7b4db1f048c64587b71b2be65c78") fgetxattr(r1, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) fcntl$addseals(r1, 0x409, 0x1) 2018/03/31 21:05:52 executing program 2: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xd873, 0x5}, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000c6eff6)='/dev/ptmx\x00', 0x2, 0x0) write(r2, &(0x7f0000b08fff), 0xfffffe7c) dup3(r0, r0, 0x80000) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) tkill(r1, 0x1000000000013) [ 871.894736] FAULT_INJECTION: forcing a failure. [ 871.894736] name failslab, interval 1, probability 0, space 0, times 0 [ 871.906168] CPU: 0 PID: 21937 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 871.913557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 871.922924] Call Trace: [ 871.925521] dump_stack+0x194/0x24d [ 871.929183] ? arch_local_irq_restore+0x53/0x53 [ 871.933882] should_fail+0x8c0/0xa40 [ 871.937611] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 871.942723] ? kernfs_add_one+0x50/0x450 [ 871.946798] ? kernfs_add_one+0x50/0x450 [ 871.950886] ? find_held_lock+0x35/0x1d0 [ 871.954965] ? __lock_is_held+0xb6/0x140 [ 871.959055] ? check_same_owner+0x320/0x320 [ 871.963399] ? perf_trace_lock_acquire+0x532/0x980 [ 871.968340] ? rcu_note_context_switch+0x710/0x710 [ 871.973289] should_failslab+0xec/0x120 [ 871.977270] __kmalloc_track_caller+0x5f/0x760 [ 871.981859] ? idr_alloc_cyclic+0x1d6/0x320 [ 871.986189] ? trace_hardirqs_off+0x10/0x10 [ 871.990519] ? kstrdup_const+0x39/0x50 [ 871.994680] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 871.999537] kstrdup+0x39/0x70 [ 872.002743] kstrdup_const+0x39/0x50 [ 872.006469] __kernfs_new_node+0xa2/0x570 [ 872.010630] ? kernfs_dop_revalidate+0x380/0x380 [ 872.015403] ? kasan_check_read+0x11/0x20 [ 872.019639] ? read_word_at_a_time+0x12/0x20 [ 872.024073] ? strscpy+0x186/0x500 [ 872.027642] kernfs_new_node+0x80/0xe0 [ 872.031549] __kernfs_create_file+0x4b/0x320 [ 872.035974] cgroup_addrm_files+0x3c5/0xa70 [ 872.040320] ? cgroup_file_write+0x710/0x710 [ 872.044760] ? getrawmonotonic64+0x460/0x460 [ 872.049184] ? kernfs_active+0x92/0x160 [ 872.053180] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 872.058127] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 872.062630] ? cgroup_file_name+0x1d0/0x1d0 [ 872.066966] css_populate_dir+0x340/0x420 [ 872.071128] cgroup_mkdir+0x553/0xfc0 [ 872.074935] ? __lock_is_held+0xb6/0x140 [ 872.079010] ? cgroup_destroy_locked+0x750/0x750 [ 872.083795] ? rcu_read_lock_sched_held+0x108/0x120 [ 872.088815] ? kmem_cache_free+0x258/0x2a0 [ 872.093056] ? set_nlink+0xc1/0x160 [ 872.096687] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 872.101613] ? generic_permission+0x105/0x3c0 [ 872.106113] ? cgroup_destroy_locked+0x750/0x750 [ 872.110876] kernfs_iop_mkdir+0x153/0x1e0 [ 872.115028] vfs_mkdir+0x390/0x600 [ 872.118576] SyS_mkdirat+0x22b/0x2b0 [ 872.122297] ? SyS_mknod+0x480/0x480 [ 872.126017] ? do_fast_syscall_32+0x156/0xf9f [ 872.130518] ? SyS_mknod+0x480/0x480 [ 872.134238] do_fast_syscall_32+0x3ec/0xf9f [ 872.138575] ? do_int80_syscall_32+0x9c0/0x9c0 [ 872.143161] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 872.148719] ? syscall_return_slowpath+0x2ac/0x550 [ 872.153676] ? sysret32_from_system_call+0x5/0x3c [ 872.158530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 872.163403] entry_SYSENTER_compat+0x70/0x7f [ 872.167813] RIP: 0023:0xf7faec99 [ 872.171176] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 872.178895] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 872.186164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 872.193433] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 872.200705] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 872.207967] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 872.215411] cgroup: cgroup_addrm_files: failed to add cgroup.max.descendants, err=-12 2018/03/31 21:05:53 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) ioctl$TIOCSBRK(r0, 0x5427) getsockopt$netlink(r0, 0x10e, 0x5, &(0x7f0000000000)=""/117, &(0x7f0000000080)=0x75) ioctl$KVM_GET_VCPU_EVENTS(r0, 0x8040ae9f, &(0x7f00000000c0)) 2018/03/31 21:05:53 executing program 7: perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cuse(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/cuse\x00', 0x82, 0x0) io_setup(0x9, &(0x7f0000000240)=0x0) ioctl$KVM_ENABLE_CAP(r0, 0x4068aea3, &(0x7f0000000100)={0xf9, 0x0, [0x8, 0xb177, 0x8, 0x943]}) io_submit(r1, 0x4000017a, &(0x7f0000000440)=[&(0x7f0000000200)={0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, r0, &(0x7f00000000c0)="10000000030000000000000000000000", 0x10, 0x0, 0x0, 0x2000}]) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)) 2018/03/31 21:05:53 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f000000dc01)={&(0x7f0000016000)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f0000027fd4)=@mpls_newroute={0x1c, 0x18, 0x21, 0x0, 0x0, {0x1c, 0x14, 0x0, 0x0, 0xfe}}, 0x1c}, 0x1}, 0x0) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x0, 0x0) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000080)={0x4, r0, 0x1}) renameat(r1, &(0x7f0000000040)='./file0\x00', r2, &(0x7f00000000c0)='./file0\x00') 2018/03/31 21:05:53 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000000400)={{{@in=@rand_addr, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@loopback}}, &(0x7f0000000500)=0xe8) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) getsockname$packet(r2, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000200)=0x14) r4 = socket(0xa, 0x803, 0x2) ioctl$sock_inet6_SIOCADDRT(r4, 0x890b, &(0x7f0000000240)={@local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, @remote={0xfe, 0x80, [], 0xbb}, 0x3ff, 0x0, 0x8, 0x100, 0x7, 0x40004, r1}) accept4$packet(r4, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000040)=0x14, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x14, &(0x7f0000000580)={@mcast2={0xff, 0x2, [], 0x1}, r3}, 0xffffffffffffff6e) sendto$inet6(r0, &(0x7f0000000080)="f969254963633b5a5a4ee145aa6831c1613641fef175862288eafea5d615e4", 0x1f, 0x4, &(0x7f00000003c0)={0xa, 0x104e23, 0x0, @remote={0xfe, 0x80, [], 0xbb}, 0x2}, 0x1c) close(r0) r5 = syz_open_dev$audion(&(0x7f00000000c0)='/dev/audio#\x00', 0x3ff, 0x0) ioctl$VHOST_VSOCK_SET_RUNNING(r5, 0x4004af61, &(0x7f0000000100)) 2018/03/31 21:05:53 executing program 1 (fault-call:6 fault-nth:20): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:53 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x0, 0x0) ioctl$EVIOCSABS20(r0, 0x401845e0, &(0x7f00000000c0)={0x5de9, 0x8, 0x401, 0x7, 0x3, 0x7}) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mlockall(0x3) unlinkat(r1, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000100)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r1, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:05:53 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000000)={'lo\x00', &(0x7f0000000100)=ANY=[@ANYBLOB='&\x00\x00\x00\x00\x00\x00\b']}) openat$vnet(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vhost-net\x00', 0x2, 0x0) 2018/03/31 21:05:53 executing program 2: r0 = request_key(&(0x7f00000000c0)='blacklist\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='asymmetric\x00', 0xfffffffffffffffd) add_key(&(0x7f000099eff5)='asymmetric\x00', &(0x7f000046bae7)={0x73, 0x79, 0x7a}, &(0x7f0000077000)="1010", 0x2, r0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='memory.events\x00', 0x0, 0x0) bind$llc(r1, &(0x7f0000000080)={0x1a, 0x324, 0x40, 0x1ff, 0x6, 0x3}, 0x10) bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x4, {0x0, 0x794b, 0x6, 0x1000, 0xcf78, 0x7}, 0x8, 0x54ac7061}, 0xe) getsockopt$ARPT_SO_GET_INFO(r1, 0x0, 0x60, &(0x7f0000000180)={'filter\x00'}, &(0x7f0000000200)=0x44) getuid() [ 872.875897] FAULT_INJECTION: forcing a failure. [ 872.875897] name failslab, interval 1, probability 0, space 0, times 0 [ 872.887214] CPU: 0 PID: 21965 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 872.894586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 872.903946] Call Trace: [ 872.906548] dump_stack+0x194/0x24d [ 872.910197] ? arch_local_irq_restore+0x53/0x53 [ 872.914891] should_fail+0x8c0/0xa40 [ 872.918610] ? kstrdup+0x39/0x70 [ 872.921987] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 872.927095] ? cgroup_mkdir+0x553/0xfc0 [ 872.931074] ? vfs_mkdir+0x390/0x600 [ 872.934791] ? SyS_mkdirat+0x22b/0x2b0 [ 872.938682] ? do_fast_syscall_32+0x3ec/0xf9f [ 872.943202] ? find_held_lock+0x35/0x1d0 [ 872.947284] ? find_held_lock+0x35/0x1d0 [ 872.951363] ? __lock_is_held+0xb6/0x140 [ 872.955455] ? check_same_owner+0x320/0x320 [ 872.959793] ? rcu_note_context_switch+0x710/0x710 [ 872.964824] ? rcu_read_lock_sched_held+0x108/0x120 [ 872.969866] should_failslab+0xec/0x120 [ 872.973858] kmem_cache_alloc+0x47/0x760 [ 872.977925] ? memcpy+0x45/0x50 [ 872.981215] ? kstrdup+0x59/0x70 [ 872.984595] __kernfs_new_node+0xe2/0x570 [ 872.988765] ? kernfs_dop_revalidate+0x380/0x380 [ 872.993538] ? kasan_check_read+0x11/0x20 [ 872.997700] ? read_word_at_a_time+0x12/0x20 [ 873.002119] ? strscpy+0x186/0x500 [ 873.005687] kernfs_new_node+0x80/0xe0 [ 873.009589] __kernfs_create_file+0x4b/0x320 [ 873.014013] cgroup_addrm_files+0x3c5/0xa70 [ 873.018358] ? cgroup_file_write+0x710/0x710 2018/03/31 21:05:53 executing program 3: perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$packet(0x11, 0x3, 0x300) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_xfrm(0xa, 0x5, 0x84) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0xd0080, 0x0) getsockopt$packet_int(r1, 0x107, 0x0, &(0x7f0000001080), &(0x7f00000010c0)=0x4) getsockopt$bt_hci(r0, 0x84, 0x0, &(0x7f0000000080)=""/4096, &(0x7f0000000000)=0x1133) 2018/03/31 21:05:53 executing program 5: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ppp\x00', 0x101001, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f000082ef0a)=""/246) getsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000000)={0x0, 0x100000001}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp_SCTP_AUTH_KEY(r0, 0x84, 0x17, &(0x7f0000000200)={r1, 0x100000001, 0xc8, "be2724ca029d2c46aaaec9d56429e6ae9a757c7ddf53db0e16dfc4cc92ae0bec4420630eb9f37b5ab5c9091a827d863b855d4fe15fb54bd70acf412a0a40431b9ad1c1295dd653d4447c014a98225a2ad502ddbdb374850b514ff116f592f376b4c8f3dc93462146d7edbd5538a37d9bb2aa84c596f45fc439803a0baf41940a93eea41cccb6e122901e1776bef31034ebc1b3958f6cae4b2703d34b522c3352b7ec420ae327eea91f84e6ab2df1ec31a9523cecb7f0ed091ce79a77c7d2c41b2e44ac7677cb983f"}, 0xd0) pwritev(r0, &(0x7f0000000040)=[{&(0x7f00000001c0)="80fd399d3bda", 0x6}], 0x1, 0x0) 2018/03/31 21:05:53 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") ioctl$EVIOCSCLOCKID(r0, 0x400445a0, &(0x7f0000000280)=0x81) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) readv(r0, &(0x7f0000000200)=[{&(0x7f0000000000)=""/173, 0xad}, {&(0x7f00000000c0)=""/97, 0x61}, {&(0x7f0000000140)=""/161, 0xa1}, {&(0x7f0000000380)=""/4096, 0x1000}, {&(0x7f0000001380)=""/111, 0x6f}, {&(0x7f0000001400)=""/124, 0x7c}], 0x6) ioctl$KDGETKEYCODE(r0, 0x4b4c, &(0x7f0000001480)={0xde, 0x8}) [ 873.022787] ? getrawmonotonic64+0x460/0x460 [ 873.027210] ? kernfs_active+0x92/0x160 [ 873.031206] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 873.036315] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 873.040816] ? cgroup_file_name+0x1d0/0x1d0 [ 873.045153] css_populate_dir+0x340/0x420 [ 873.049321] cgroup_mkdir+0x553/0xfc0 [ 873.053122] ? __lock_is_held+0xb6/0x140 [ 873.057207] ? cgroup_destroy_locked+0x750/0x750 [ 873.061985] ? rcu_read_lock_sched_held+0x108/0x120 [ 873.067010] ? kmem_cache_free+0x258/0x2a0 [ 873.071253] ? set_nlink+0xc1/0x160 [ 873.074888] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 873.079819] ? generic_permission+0x105/0x3c0 [ 873.084324] ? cgroup_destroy_locked+0x750/0x750 [ 873.089088] kernfs_iop_mkdir+0x153/0x1e0 [ 873.093247] vfs_mkdir+0x390/0x600 [ 873.096800] SyS_mkdirat+0x22b/0x2b0 [ 873.100522] ? SyS_mknod+0x480/0x480 [ 873.104249] ? do_fast_syscall_32+0x156/0xf9f [ 873.108753] ? SyS_mknod+0x480/0x480 [ 873.112473] do_fast_syscall_32+0x3ec/0xf9f [ 873.116807] ? do_int80_syscall_32+0x9c0/0x9c0 [ 873.121396] ? _raw_spin_unlock_irq+0x27/0x70 2018/03/31 21:05:53 executing program 2: r0 = memfd_create(&(0x7f000001afe5)="7d7d9574686f5e707230630100000400001e0070ff6f630ff8", 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000027ff3)='/dev/snd/seq\x00', 0x0, 0x20001) r2 = dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r1, 0xc08c5332, &(0x7f0000042000)={0x0, 0x0, 0x0, "7175657565310000000000000000000000001200"}) clock_gettime(0x0, &(0x7f0000000080)={0x0}) write$sndseq(r2, &(0x7f0000036000)=[{0x0, 0x0, 0x0, 0x0, @time={r3}, {}, {}, @connect}], 0x354) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r2, 0xc0bc5310, &(0x7f00000000c0)) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r2, 0x4040534e, &(0x7f0000027fb0)={0x203, @time={0x77359400}}) ioctl$KDGKBSENT(r2, 0x4b48, &(0x7f0000000000)={0x2, 0x400, 0x11}) [ 873.126072] ? finish_task_switch+0x1c1/0x7e0 [ 873.130573] ? syscall_return_slowpath+0x2ac/0x550 [ 873.135504] ? prepare_exit_to_usermode+0x350/0x350 [ 873.140528] ? sysret32_from_system_call+0x5/0x3c [ 873.145386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 873.150247] entry_SYSENTER_compat+0x70/0x7f [ 873.154657] RIP: 0023:0xf7faec99 [ 873.158020] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 873.165743] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 2018/03/31 21:05:53 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000100)='cpuset.cpus\x00', 0x2, 0x0) rt_sigprocmask(0x3, &(0x7f0000000040)={0xad24429}, &(0x7f0000000080), 0x8) sendfile(r1, r1, 0x0, 0x4bc7) 2018/03/31 21:05:53 executing program 3: symlink(&(0x7f000000bffa)='./control\x00', &(0x7f000000cffa)='./bus\x00') symlink(&(0x7f0000ad9ff4)='./file0\x00', &(0x7f00000001c0)='./control\x00') mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) chown(&(0x7f0000000180)='./bus/file0\x00', 0x0, 0x0) r0 = syz_fuse_mount(&(0x7f0000000000)='./file0\x00', 0xe002, 0xffffffffffffffff, 0x0, 0x6, 0x8000) r1 = open(&(0x7f0000000040)='./control\x00', 0x400000, 0x80) ioctl$FUSE_DEV_IOC_CLONE(r0, 0x8004e500, &(0x7f0000000080)=r1) open(&(0x7f00000000c0)='./bus\x00', 0x0, 0x0) 2018/03/31 21:05:53 executing program 2: mkdir(&(0x7f0000000000)='./file0\x00', 0x110) mkdir(&(0x7f0000578000)='./file0\x00', 0x4) lsetxattr(&(0x7f0000712ff8)='./file0\x00', &(0x7f0000faffe7)=@known='system.posix_acl_default\x00', &(0x7f000054afec)="0200000001000000000000000400000000000000", 0x14, 0x0) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x8, &(0x7f0000000040), 0x4) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000240)='/dev/hwrng\x00', 0x151000, 0x0) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x2}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp_SCTP_AUTH_KEY(r0, 0x84, 0x17, &(0x7f0000000140)={r1, 0x0, 0xcd, "6095020ffa2afb0355604898b9a021fafd963c8b7663852e5229e77a42febf20754a858fbd34fbf520843f937f3fd6e3044e97a09b920b006f66bae973c7fb422671916d2a06a41dfdf6f0a615b47215c92e6da3b8cec0ab756a213a3f9ea66cd22bc094e26dc3f816ebd58c934911b65d165b2b96aa16269a18c28e0a0f5f0c36660f39364e0661de0b7238998ec0e385a7148405b0b02727e67cbb3a6875f689943fc863b8c19afaa3ef3fb18e681d90c7316d541b484662316ac221961b6325a5b197a62fa2760b8efbd6c9"}, 0xd5) [ 873.173017] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 873.180291] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 873.187599] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 873.194876] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 873.202393] cgroup: cgroup_addrm_files: failed to add cgroup.max.descendants, err=-12 2018/03/31 21:05:53 executing program 7: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000280)='/dev/mixer\x00', 0x0, 0x0) connect$ax25(r0, &(0x7f00000002c0)={0x3, {"c7c70ed1f386ea"}, 0x4c57ddc}, 0x10) r1 = socket$netlink(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000023000)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000023ff0)={&(0x7f0000000000)=ANY=[@ANYBLOB="180000002d00ff0a00000000000000000100000064adea93eca7e7384f0b2060609445b2516317f5330534b74b1128152a2bcfb24a07a4dcbd4ebf264d5715"], 0x18}, 0x1}, 0x0) 2018/03/31 21:05:53 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000200)={{{@in6=@dev, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6}}, &(0x7f0000000040)=0xe8) fstat(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fchown(r0, r1, r2) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r3 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r3, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r3, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:05:53 executing program 5: socketpair$inet(0x1e, 0x1, 0x0, &(0x7f0000f1cff8)={0x0, 0x0}) sendmsg(r0, &(0x7f0000f1dfc8)={0x0, 0x0, &(0x7f00007ac000), 0x0, &(0x7f000017a000)}, 0x0) sendmsg$key(r0, &(0x7f000059d000)={0x0, 0x0, &(0x7f00002dcff0)={&(0x7f0000f23fe0)={0x2, 0x0, 0x0, 0x0, 0x2, 0x0, 0xffffffffffffffff, 0xffffffffffffffff}, 0x10}, 0x1}, 0x0) recvmsg(r0, &(0x7f0000711000)={&(0x7f0000f20000)=@alg, 0x58, &(0x7f0000000040), 0x2000026c, 0x0, 0xffffffffffffff7b, 0x7}, 0x10042) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x400, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f0000000140)={0x4, 0x7, 0x60975958}) setsockopt$IP_VS_SO_SET_DELDEST(r0, 0x0, 0x488, &(0x7f00000000c0)={{0xff, @rand_addr=0x7, 0x4e20, 0x2, 'fo\x00', 0x1, 0x4, 0xa}, {@multicast1=0xe0000001, 0x4e21, 0x2, 0x8, 0x100000001, 0x6}}, 0x44) 2018/03/31 21:05:53 executing program 1 (fault-call:6 fault-nth:21): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:53 executing program 0: socketpair(0xf, 0x3, 0x2, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TCSETA(r0, 0x5406, &(0x7f0000000180)={0xffffffffffffffff, 0xffff, 0xd94, 0x0, 0x6, 0x6, 0x1, 0x401, 0x4, 0x800}) r1 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f00000000c0)={{0x2, 0x4e23, @rand_addr=0x100000001}, {0x306, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x10, {0x2, 0x4e24, @broadcast=0xffffffff}, 'eql\x00'}) setsockopt$inet_MCAST_JOIN_GROUP(r1, 0x0, 0x2a, &(0x7f0000000000)={0xb65, {{0x2, 0x4e22, @loopback=0x7f000001}}}, 0x84) fgetxattr(r1, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) [ 873.357205] FAULT_INJECTION: forcing a failure. [ 873.357205] name failslab, interval 1, probability 0, space 0, times 0 [ 873.368542] CPU: 1 PID: 22015 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 873.375900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 873.385252] Call Trace: [ 873.387866] dump_stack+0x194/0x24d [ 873.391501] ? arch_local_irq_restore+0x53/0x53 [ 873.396181] should_fail+0x8c0/0xa40 [ 873.399902] ? kstrdup+0x39/0x70 [ 873.403285] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 873.408519] ? cgroup_mkdir+0x553/0xfc0 [ 873.412493] ? vfs_mkdir+0x390/0x600 [ 873.416205] ? SyS_mkdirat+0x22b/0x2b0 [ 873.420092] ? do_fast_syscall_32+0x3ec/0xf9f [ 873.424584] ? entry_SYSENTER_compat+0x70/0x7f [ 873.429171] ? find_held_lock+0x35/0x1d0 [ 873.433238] ? find_held_lock+0x35/0x1d0 [ 873.437306] ? __lock_is_held+0xb6/0x140 [ 873.441379] ? check_same_owner+0x320/0x320 [ 873.445706] ? rcu_note_context_switch+0x710/0x710 [ 873.450638] ? rcu_read_lock_sched_held+0x108/0x120 2018/03/31 21:05:53 executing program 5: capset(&(0x7f00000fc000)={0x19980330}, &(0x7f0000244000)) r0 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x80000001, 0x200) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0x80045500, &(0x7f0000000040)) r1 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_buf(r1, 0x0, 0x85, &(0x7f00000000c0)=""/24, &(0x7f0000000080)=0xfffffffffffffdcf) ioctl$sock_inet_SIOCADDRT(r1, 0x890b, &(0x7f0000000100)={0x82f2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, {0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}, {0x2, 0x4e22, @loopback=0x7f000001}, 0x20, 0xffff, 0xfffffffffffffff9, 0x9, 0x80, &(0x7f0000000040)='ip6tnl0\x00', 0x3ff, 0x6, 0x7}) 2018/03/31 21:05:53 executing program 3: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x10, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'aead\x00', 0x0, 0x0, 'authenc(sha3-384,chacha20-generic)\x00'}, 0x58) bind$alg(r0, &(0x7f0000a39000)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_pr_sha1\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000402f73), 0x267) [ 873.455672] should_failslab+0xec/0x120 [ 873.459655] kmem_cache_alloc+0x47/0x760 [ 873.463720] ? memcpy+0x45/0x50 [ 873.467004] ? kstrdup+0x59/0x70 [ 873.470376] __kernfs_new_node+0xe2/0x570 [ 873.474529] ? kernfs_dop_revalidate+0x380/0x380 [ 873.479291] ? kasan_check_read+0x11/0x20 [ 873.483444] ? read_word_at_a_time+0x12/0x20 [ 873.487854] ? strscpy+0x186/0x500 [ 873.491405] kernfs_new_node+0x80/0xe0 [ 873.495297] __kernfs_create_file+0x4b/0x320 [ 873.499712] cgroup_addrm_files+0x3c5/0xa70 [ 873.504042] ? cgroup_file_write+0x710/0x710 [ 873.508459] ? getrawmonotonic64+0x460/0x460 [ 873.512871] ? kernfs_active+0x92/0x160 [ 873.516851] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 873.521802] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 873.526299] ? cgroup_file_name+0x1d0/0x1d0 [ 873.530624] css_populate_dir+0x340/0x420 [ 873.534778] cgroup_mkdir+0x553/0xfc0 [ 873.538578] ? __lock_is_held+0xb6/0x140 [ 873.542653] ? cgroup_destroy_locked+0x750/0x750 [ 873.547407] ? rcu_read_lock_sched_held+0x108/0x120 [ 873.552425] ? kmem_cache_free+0x258/0x2a0 [ 873.556690] ? set_nlink+0xc1/0x160 [ 873.560316] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 873.565234] ? generic_permission+0x105/0x3c0 [ 873.569711] ? cgroup_destroy_locked+0x750/0x750 [ 873.574460] kernfs_iop_mkdir+0x153/0x1e0 [ 873.578586] vfs_mkdir+0x390/0x600 [ 873.582109] SyS_mkdirat+0x22b/0x2b0 [ 873.585813] ? SyS_mknod+0x480/0x480 [ 873.589506] ? do_fast_syscall_32+0x156/0xf9f [ 873.593991] ? SyS_mknod+0x480/0x480 [ 873.597707] do_fast_syscall_32+0x3ec/0xf9f [ 873.602024] ? do_int80_syscall_32+0x9c0/0x9c0 [ 873.606602] ? _raw_spin_unlock_irq+0x27/0x70 [ 873.611086] ? finish_task_switch+0x1c1/0x7e0 [ 873.615562] ? syscall_return_slowpath+0x2ac/0x550 [ 873.620479] ? prepare_exit_to_usermode+0x350/0x350 [ 873.625493] ? sysret32_from_system_call+0x5/0x3c [ 873.630323] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 873.635150] entry_SYSENTER_compat+0x70/0x7f [ 873.639534] RIP: 0023:0xf7faec99 [ 873.642872] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 873.650556] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 873.657808] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 873.665076] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 873.672326] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 873.679590] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 873.687113] cgroup: cgroup_addrm_files: failed to add cgroup.max.depth, err=-12 2018/03/31 21:05:54 executing program 2: perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_xfrm(0xa, 0x5, 0x84) getsockopt$bt_hci(r0, 0x84, 0x0, &(0x7f0000002140)=""/4096, &(0x7f0000000040)=0x1000) ioctl$sock_proto_private(r0, 0x89eb, &(0x7f0000000080)="2c043a72d5757d444340152e7827aed5ac0aee7f1338166b9d6b805b8e19b061b284abd96744b036bc843f80c388a6ae1ae77474d5a8f7380e83b5772ba29cc7f70103e2c2fdf747713a15e50f429a3e8a746e1cbd5c45447c57974e39c7c00b7c834700f5a398f3e3a5e36ee661aac189e139d025ce66265e56efc519c6d0f45a028dea70c4568183f4e661cc3bbe0d51eb21fd2d23104f09bc8d4bd2e750ce9e903f02372ac2ff88e3a6c243c50e7feeec0a833ac861cb9405231f1909aff7fc037edb53f08527") 2018/03/31 21:05:54 executing program 7: r0 = timerfd_create(0x4, 0x80800) truncate(&(0x7f0000000300)='./file0\x00', 0x1) timerfd_settime(r0, 0x3, &(0x7f0000005000)={{}, {0x0, 0x989680}}, &(0x7f0000e34fe0)) r1 = syz_open_dev$amidi(&(0x7f0000000140)='/dev/amidi#\x00', 0x1, 0x240000) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000180)={0x0, 0x237c699a}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000200)={r2, @in={{0x2, 0x4e24, @multicast2=0xe0000002}}, 0x4, 0x10000, 0xa0, 0x14e6, 0x40}, 0x98) fchdir(r1) timerfd_settime(r0, 0x3, &(0x7f0000000080), &(0x7f0000000000)) timerfd_create(0x3, 0x800) r3 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$IP_VS_SO_GET_DESTS(r3, 0x0, 0x484, &(0x7f00000000c0)=""/66, &(0x7f0000000040)=0x42) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e24, 0x8000, @mcast2={0xff, 0x2, [], 0x1}, 0x14fe}, 0x1c) 2018/03/31 21:05:54 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = dup3(r0, r0, 0x80000) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r2, 0xae60) r3 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffd) r4 = add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a}, 0x0, 0x0, r3) add_key$user(&(0x7f0000ef5000)='user\x00', &(0x7f00008fa000)={0x73, 0x79, 0x7a}, &(0x7f0000537ffd)='\x00', 0x1, r4) r5 = add_key$user(&(0x7f0000688000)='user\x00', &(0x7f00008d9ffb)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000f19edc)="b33ab76079ebe0d14f729cd653e520d29ad7ef0000000000000044c249b544230b9387fb8bd6ed266ccf59ef70995bf2e8e0ecd3fff32853747eda22d2818d08ca27e0ec821620e365a0e6b9485f2d925493f62113e33e5f8c7eba67fc19a9497f5b07e5849d2e875b066cd6401d36616fe0f3c3002801b4627ee7597689525e8e81f750a86eb580fb4690ea52246bd3d32b1a91f944edb74b1f50ae08c5387ed8fd0598b600579f3af3f864e1c324f6928f6672f98f7e149bd61bd78b506e8b", 0xc0, r4) r6 = request_key(&(0x7f00000001c0)='user\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a}, &(0x7f0000000280)='sha224-avx\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', 0x0) keyctl$dh_compute(0x17, &(0x7f0000000180)={r5, r5, r6}, &(0x7f0000000340)=""/42, 0x2a, &(0x7f0000000380)={&(0x7f0000000080)={'crct10dif-generic\x00'}}) ioctl$KVM_SET_GSI_ROUTING(r2, 0x4008ae6a, &(0x7f0000000000)={0x1, 0x0, [{0x0, 0x4, 0x0, 0x0, @irqchip={0x6a6}}]}) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f00000003c0)={0x0, @in={{0x2, 0x4e22, @multicast2=0xe0000002}}, [0xfffffffffffffff9, 0x7, 0x7, 0x9, 0x2, 0x4, 0x1f, 0x100, 0xfffffffffffffff8, 0x3, 0x4, 0xfe000000, 0x5, 0x3fff80, 0x4000000000000000]}, &(0x7f0000000140)=0x100) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000240)={r7, 0x7, 0x20}, 0xc) 2018/03/31 21:05:54 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', 0x0}) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f00000000c0)={r1, 0x1, 0x3, @random="7c2e1626459d"}, 0x1ce) getsockopt$packet_buf(r0, 0x107, 0x2, &(0x7f0000000100)=""/206, &(0x7f0000000040)=0xce) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f0000000240)={0x0, 0x0, 0xffffffffffffff9c}) r2 = socket$nl_generic(0x10, 0x3, 0x10) getsockopt$IP_VS_SO_GET_SERVICE(r2, 0x0, 0x483, &(0x7f0000000280), &(0x7f0000000080)=0x60) r3 = socket$inet6(0xa, 0xe, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r3, 0x0, 0x80, &(0x7f0000000700)=@filter={'filter\x00', 0xe, 0x2, 0x0, [0x0, 0x20000080, 0x200000b0, 0x200000e0], 0x0, &(0x7f0000000040), &(0x7f0000000080)=ANY=[]}, 0x50) setsockopt$inet6_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x29, 0x2a, &(0x7f0000fca000)={0x100000001, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}, 0x1}}}, 0x88) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0x6, @random="7c2e1626459d"}, 0xffffffffffffff54) getsockname(r3, &(0x7f0000000300)=@ax25, &(0x7f0000000200)=0x80) ioctl$sock_SIOCBRADDBR(r2, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(r2, 0x89a1, &(0x7f0000000000)='bcsf0\x00') setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) syz_genetlink_get_family_id$fou(&(0x7f0000000100)='fou\x00') setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f00000000c0)={0x0, 'eql\x00'}, 0x18) 2018/03/31 21:05:54 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x82000, 0x0) mmap(&(0x7f0000000000/0xddf000)=nil, 0xddf000, 0x0, 0x32, 0xffffffffffffffff, 0x0) ioctl$EVIOCGLED(r0, 0x80404519, &(0x7f0000002500)=""/187) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_X86_SET_MCE(r2, 0x4040ae9e, &(0x7f0000000080)) fcntl$getflags(r1, 0x4000000000140b) syz_mount_image$iso9660(&(0x7f0000000000)='iso9660\x00', &(0x7f0000000040)='./file0\x00', 0x5, 0x8, &(0x7f0000002400)=[{&(0x7f00000000c0)="ac0fab179d66ae0bf04bd4019ed02982b5c98c1817e1e5e5d3796382a25b0aa1a82be65ed248caed750ae4cdde74e0231623270ba45927443835084108e8393e00c2a6333f63484e86d2c142c1fba4aacbbd3daf26838333fcadeb5e58d8dde0c69eb17ddf890ff1c608fa3ccd8b2262c6c971d6157756a0a057a904f31c8d2eb8000791bc6b4e5f5d08239e8e3690fee2af0e4d6ef0eab165e1a43ade9d596c75496df6ff658bf3ea6600e0540b239a9bca077899af473cdf1b1d62c15a464ec4a685bcecc1e0274a14e7e56edf", 0xce, 0x1f}, {&(0x7f00000001c0)="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", 0x1000, 0x5}, {&(0x7f00000011c0)="9ca0555734d0400d4d06", 0xa, 0x100000000}, {&(0x7f0000001200)="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0x1000, 0x2}, {&(0x7f0000002200)="44a1804f5dfb6ea84206e4c887433793d6643e31ca8117081926953f949c2b9774c30a228da93e80aef26b6900fd587eb9bd32d8e0dc2d355133dbc8c8d25bca0e0097d340682d98f2f9ff31cc8f5d385da5742dd7d75fd845cbb09ac4a33db53e0304404b2a00e8744c941ca99f3f7d", 0x70, 0x3f}, {&(0x7f0000002280)="c3c4d68b334f7177d75b2f7d4e89e33d1440c5be5ea2cf885e5c810c340121bef0e4b696b7407b76798f9384ce28eb8410c21c8a23496f2571e5044add2065ddf7f0b6779d5d865ceb312742a0bbfbd91236432557413fba0a3cb3500d52de998e8eb23a0ce3f28639778303e7e616b0a12222d99e67c057097dfb48b96d7a946b5e2ef3d128ccfd4bc80a30e7b79886b007a44ccb573ac98e8ecd1bcd8587110b7d8717ca1fb325ff653060fc25e8957d8fe5d407cd1936cd3395bba7f8b2d052dd779269bf40a1739370059a4dd7cf2ea80c1094b7b89b009846f25f318c0a6a009590842899f3ed9703014fd1c5", 0xef, 0xff}, {&(0x7f0000002380)="269f3ce6e0ac31d5c9a43b54076f4eab8bece496c79c5c3c0443011533bf69c6407799371a79fa9d5bc3b0d8b4acf5ee3bcb0b8ea558e6f32a9c390f", 0x3c, 0x10000}, {&(0x7f00000023c0)="ca5c5f1c7f1fbf956c570f213ec5fe3cbc405379", 0x14, 0x80000000}], 0x2010080, &(0x7f0000002480)={[{@check_strict='check=strict', 0x2c}, {@map_off='map=off', 0x2c}, {@nojoliet='nojoliet', 0x2c}, {@utf8='utf8', 0x2c}, {@cruft='cruft', 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp936'}, 0x2c}, {@unhide='unhide', 0x2c}, {@hide='hide', 0x2c}]}) 2018/03/31 21:05:54 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r1, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r1, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) ioctl$KVM_IRQ_LINE_STATUS(r0, 0xc008ae67, &(0x7f0000000040)={0x0, 0x8f}) 2018/03/31 21:05:54 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)='maps\x00') openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x200, 0x0) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:05:54 executing program 1 (fault-call:6 fault-nth:22): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) [ 873.782084] FAULT_INJECTION: forcing a failure. [ 873.782084] name failslab, interval 1, probability 0, space 0, times 0 [ 873.793637] CPU: 1 PID: 22045 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 873.801084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 873.810694] Call Trace: [ 873.813285] dump_stack+0x194/0x24d [ 873.816922] ? arch_local_irq_restore+0x53/0x53 [ 873.821599] should_fail+0x8c0/0xa40 [ 873.825317] ? kstrdup+0x39/0x70 [ 873.828720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 873.833823] ? cgroup_mkdir+0x553/0xfc0 [ 873.837804] ? vfs_mkdir+0x390/0x600 [ 873.841515] ? SyS_mkdirat+0x22b/0x2b0 [ 873.845400] ? do_fast_syscall_32+0x3ec/0xf9f [ 873.849889] ? entry_SYSENTER_compat+0x70/0x7f [ 873.854474] ? find_held_lock+0x35/0x1d0 [ 873.858537] ? find_held_lock+0x35/0x1d0 [ 873.862599] ? __lock_is_held+0xb6/0x140 [ 873.866698] ? check_same_owner+0x320/0x320 [ 873.871023] ? rcu_note_context_switch+0x710/0x710 [ 873.875953] ? rcu_read_lock_sched_held+0x108/0x120 [ 873.880976] should_failslab+0xec/0x120 [ 873.884950] kmem_cache_alloc+0x47/0x760 [ 873.885210] device bridge0 entered promiscuous mode [ 873.889008] ? memcpy+0x45/0x50 [ 873.889024] ? kstrdup+0x59/0x70 [ 873.889042] __kernfs_new_node+0xe2/0x570 [ 873.889054] ? kernfs_dop_revalidate+0x380/0x380 [ 873.889067] ? kasan_check_read+0x11/0x20 [ 873.889076] ? read_word_at_a_time+0x12/0x20 [ 873.889086] ? strscpy+0x186/0x500 [ 873.921637] kernfs_new_node+0x80/0xe0 [ 873.925511] __kernfs_create_file+0x4b/0x320 [ 873.929905] cgroup_addrm_files+0x3c5/0xa70 [ 873.934211] ? cgroup_file_write+0x710/0x710 [ 873.938602] ? getrawmonotonic64+0x460/0x460 [ 873.943003] ? kernfs_active+0x92/0x160 [ 873.946962] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 873.951868] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 873.956342] ? cgroup_file_name+0x1d0/0x1d0 [ 873.960648] css_populate_dir+0x340/0x420 [ 873.964780] cgroup_mkdir+0x553/0xfc0 [ 873.968557] ? __lock_is_held+0xb6/0x140 [ 873.972599] ? cgroup_destroy_locked+0x750/0x750 [ 873.977334] ? rcu_read_lock_sched_held+0x108/0x120 [ 873.982327] ? kmem_cache_free+0x258/0x2a0 [ 873.986541] ? set_nlink+0xc1/0x160 [ 873.990155] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 873.995066] ? generic_permission+0x105/0x3c0 [ 873.999540] ? cgroup_destroy_locked+0x750/0x750 [ 874.004274] kernfs_iop_mkdir+0x153/0x1e0 [ 874.008410] vfs_mkdir+0x390/0x600 [ 874.011947] SyS_mkdirat+0x22b/0x2b0 [ 874.015645] ? SyS_mknod+0x480/0x480 [ 874.019685] ? do_fast_syscall_32+0x156/0xf9f [ 874.024156] ? SyS_mknod+0x480/0x480 [ 874.027846] do_fast_syscall_32+0x3ec/0xf9f [ 874.032149] ? do_int80_syscall_32+0x9c0/0x9c0 [ 874.036708] ? _raw_spin_unlock_irq+0x27/0x70 [ 874.041180] ? finish_task_switch+0x1c1/0x7e0 [ 874.045655] ? syscall_return_slowpath+0x2ac/0x550 [ 874.050564] ? prepare_exit_to_usermode+0x350/0x350 [ 874.055644] ? sysret32_from_system_call+0x5/0x3c [ 874.060467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 874.065290] entry_SYSENTER_compat+0x70/0x7f [ 874.069679] RIP: 0023:0xf7faec99 [ 874.073028] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 874.080714] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 874.087976] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 874.095224] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 874.102470] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 874.109727] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 874.117226] cgroup: cgroup_addrm_files: failed to add cgroup.max.depth, err=-12 [ 874.127594] IPVS: length: 66 != 24 2018/03/31 21:05:54 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") flock(r0, 0x1) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:05:54 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'lo\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000000)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="400000001400110100000000005adb000a000000", @ANYRES32=r1, @ANYBLOB="14000600000000000000000000000000000000001400010000000000000000000000000000000001"], 0x40}, 0x1}, 0x0) [ 874.141911] IPVS: length: 66 != 24 2018/03/31 21:05:54 executing program 7: r0 = syz_open_dev$sndseq(&(0x7f00000002c0)='/dev/snd/seq\x00', 0x0, 0x200400) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000000)={{}, {0x400e}, 0x0, 0x5}) r1 = syz_open_dev$sndmidi(&(0x7f00000000c0)='/dev/snd/midiC#D#\x00', 0x5791, 0x24100) mq_timedsend(r1, &(0x7f0000000340)="d359eb89572aa927f5951adfcf75a99b74d6ea1e0e6115f25d252c825db33036765ffadb3cd0f9719d9b23a59493eb9da8bb5d795da00d434b4ac081aa623356c1ee369b682827e5b1a3534afef3fa6a5328ab34d951db5eadf4fedab05cb66ae57fc87d62438ddf39869796b0b07d5c39c8967ed5ce44b7ac1bfd3d242769c265b9e2c157bea6da97d77b055884d1a3d7dae2f38f36ae2bae4562c70d7ae848205ae4", 0xa3, 0x7f000000, &(0x7f0000000180)={0x77359400}) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r1, 0x4010640d, &(0x7f0000000440)={0x200, 0x9}) ioctl$DRM_IOCTL_AGP_INFO(r1, 0x80206433, &(0x7f0000000100)=""/105) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000300)={0x0, 0x7a9, 0x2}, &(0x7f00000001c0)=0xffffffffffffff4e) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={r2}, 0x8) syz_open_dev$sndpcmp(&(0x7f0000000280)='/dev/snd/pcmC#D#p\x00', 0x88000, 0x40843) r3 = open(&(0x7f0000000400)='./file0\x00', 0x20000, 0xc0) syz_open_dev$dspn(&(0x7f0000000240)='/dev/dsp#\x00', 0x1ff, 0x200000) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(r3, 0xc0045540, &(0x7f0000000200)=0x1) 2018/03/31 21:05:54 executing program 2: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000ec6000)='/proc/self/net/pfkey\x00', 0x0, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000358fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000a5dfe0)={{&(0x7f0000000000/0x4000)=nil, 0x4000}, 0x1}) readv(r0, &(0x7f0000080000)=[{&(0x7f0000001fb2)=""/1, 0x1}], 0x1) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000909feb)='/proc/self/net/pfkey\x00', 0x0, 0x0) lseek(r2, 0x0, 0x0) ioctl$TIOCEXCL(r0, 0x540c) getsockopt$ARPT_SO_GET_ENTRIES(r2, 0x0, 0x61, &(0x7f0000000040)={'filter\x00', 0x5b, "6cdc9be3b5448d8090802f0f8eee5dce696240b899652b9418504fca533c0ee58c02484646bcea0bb71778c2632058e21bdf4512fa7884bb95ad817773c34de3a82bdecaa9f956006b4e6a517e0e3450c262b89a2b5a1967c80f6e"}, &(0x7f00000000c0)=0x7f) signalfd4(r1, &(0x7f0000000000)={0x100}, 0x8, 0x800) 2018/03/31 21:05:54 executing program 4: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_int(r0, 0x107, 0x14, &(0x7f0000012000)=0x6, 0x4) ioctl$int_out(r0, 0x5460, &(0x7f0000000000)) ioctl$sock_SIOCDELDLCI(r0, 0x8981, &(0x7f0000000040)={'vcan0\x00', 0x5}) sendto$inet6(r0, &(0x7f0000003fd9), 0x2ab, 0x0, &(0x7f0000008000)={0xa, 0x0, 0xf, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) 2018/03/31 21:05:54 executing program 7: getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(0xffffffffffffff9c, 0x84, 0x70, &(0x7f0000000100)={0x0, @in6={{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}, [0x0, 0x0, 0x0, 0x0, 0x0, 0xfff]}, &(0x7f0000000200)=0x100) r0 = socket$inet6_sctp(0xa, 0x0, 0x84) ioctl$sock_ifreq(r0, 0x89f0, &(0x7f0000000000)={'n&0\x00', @ifru_ivalue=0x6}) [ 874.267727] device bridge0 left promiscuous mode 2018/03/31 21:05:56 executing program 2: r0 = socket(0x18, 0x0, 0x0) getsockname$ipx(r0, &(0x7f0000000080), &(0x7f0000000000)=0x3e) 2018/03/31 21:05:56 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f0000000000)={'sit0\x00', {0x2, 0x4e22, @multicast2=0xe0000002}}) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:05:56 executing program 1 (fault-call:6 fault-nth:23): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:56 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000580)=ANY=[@ANYBLOB="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"], 0x1}, 0x1}, 0x0) setsockopt$ax25_int(r0, 0x101, 0xf, &(0x7f0000000000)=0x3ff, 0x4) perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$sndctrl(&(0x7f0000000400)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r1, 0xc2c45513, &(0x7f000045bb40)={{0x7, 0x0, 0x0, 0x0, "37cd43b5739f451238fed3a92c238f793f40ea2a4fa7270c540142d7504a1e72625e850165973e198f9172b0"}, 0x0, [], {0x0, 0x989680}}) r2 = syz_open_dev$sg(&(0x7f0000000200)='/dev/sg#\x00', 0x8, 0x183000) ioctl$KVM_GET_VCPU_MMAP_SIZE(r2, 0xae04) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f00000003c0)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DEST(r2, &(0x7f00000004c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x26000501}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x34, r3, 0x0, 0x70bd28, 0x25dfdbff, {0x7}, [@IPVS_CMD_ATTR_DAEMON={0x20, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'ipddp0\x00'}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0xfff}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x4895}, 0x840) r4 = syz_open_dev$sndmidi(&(0x7f0000000140)='/dev/snd/midiC#D#\x00', 0x7, 0x80000) ioctl$KDSETMODE(r4, 0x4b3a, 0x8) sendmsg$IPVS_CMD_FLUSH(r4, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYBLOB="fcf796619a66e753157872883e41b3df6fad1875d76000a54a7c0bb64ab90a8ae94242bd2a8f0d7ab177117b3c400628b4a48731a0a42db93a92634f18dc29585c8347b911515392247e2a34925ba155a0fbdd2598711ab73a12f7f35974141eeb75c59051a64d46ceaaad44ee2f81612925ae9f4b6a168b69cb9af6faae47bf14de20d501db5970b8071c02133dba67d11d363c9b9da93c0496e221eb45a3d7"], 0x2}, 0x1}, 0x4) readv(r0, &(0x7f0000000080), 0x0) socketpair$packet(0x11, 0x2, 0x300, &(0x7f0000000040)) socketpair$ax25(0x3, 0x5, 0x3, &(0x7f00000000c0)) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000540)={&(0x7f0000000500)='./file0\x00', r2}, 0x10) ioctl$KVM_RUN(r0, 0xae80, 0x0) 2018/03/31 21:05:56 executing program 4: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f000031cff7)='/dev/rtc\x00', 0x0, 0x0) ioctl$PIO_UNIMAPCLR(r0, 0x40247007, &(0x7f0000000040)={0x0, 0xff, 0xa4}) 2018/03/31 21:05:56 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) r1 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x100000000, 0x0) utimensat(r1, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={{0x77359400}, {0x0, 0x2710}}, 0x0) getsockopt$inet_sctp6_SCTP_NODELAY(r1, 0x84, 0x3, &(0x7f00000000c0), &(0x7f0000000140)=0x4) bind$alg(r0, &(0x7f0000424000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000000100)="71e67a15cdf0311cfc093a52a7d86bd1", 0xfef2) r2 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg(r2, &(0x7f0000008fc0)=[{{&(0x7f00000014c0)=@vsock={0x28, 0x0, 0x0, @reserved=0x1}, 0x80, &(0x7f0000001800), 0x0, &(0x7f0000001840)}}, {{&(0x7f0000001a80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}}}, 0x80, &(0x7f0000002bc0), 0x0, &(0x7f0000002c00)=ANY=[@ANYBLOB="0c00000000509397e116ecac"], 0xc}, 0x2}, {{&(0x7f0000005180)=@llc={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}}, 0x80, &(0x7f0000005240), 0x0, &(0x7f0000005280)=ANY=[@ANYBLOB='\f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], 0xc}}], 0x3, 0x2400c010) 2018/03/31 21:05:56 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) r1 = socket$nl_route(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0x7, &(0x7f0000000040)={0x35, 0x7, 0xb, 0x2}, 0x10) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x0) 2018/03/31 21:05:56 executing program 7: perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) epoll_create1(0x0) r0 = socket$inet6(0xa, 0x80002, 0x0) connect$inet(r0, &(0x7f0000955ff0)={0x2}, 0x10) fcntl$F_SET_RW_HINT(r0, 0x40c, &(0x7f0000000200)=0x3) r1 = socket$netlink(0x10, 0x3, 0x0) writev(r1, &(0x7f0000fdbff8)=[{&(0x7f0000ac9000)="290000002000190000003fffffffda060200000000e80001040000040d000300ea1100000005000000", 0x29}], 0x1) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000280)={0x26, 'hash\x00', 0x0, 0x0, 'hmac(sha224-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r2, 0x117, 0x1, &(0x7f00000000c0)="ed07ffda3b62305edc3861bf02f21d2d30ba3f3bd94f7faf780bb03eb8850cf5038ed230574267d53e25f0f9a98c37791874279902e3523f58701c45be32688121", 0x41) r3 = accept4(r1, &(0x7f0000000140)=@ipx, &(0x7f0000000040)=0x80, 0x800) ioctl$sock_bt_hidp_HIDPGETCONNLIST(r3, 0x800448d2, &(0x7f00000001c0)={0x5, &(0x7f0000000300)=[{}, {}, {}, {}, {}]}) setsockopt$inet6_IPV6_ADDRFORM(r0, 0x29, 0x1, &(0x7f0000000080)=0x2, 0x4) setsockopt$ALG_SET_KEY(r2, 0x117, 0x1, &(0x7f0000000600)="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", 0x1000) write(0xffffffffffffffff, &(0x7f0000000180), 0xffffffffffffff41) socket$inet6(0xa, 0x5, 0x379) [ 875.636783] FAULT_INJECTION: forcing a failure. [ 875.636783] name failslab, interval 1, probability 0, space 0, times 0 [ 875.648171] CPU: 1 PID: 22101 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 875.655531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 875.664890] Call Trace: [ 875.667486] dump_stack+0x194/0x24d [ 875.671126] ? arch_local_irq_restore+0x53/0x53 [ 875.675794] ? finish_task_switch+0x1c1/0x7e0 [ 875.680291] ? finish_task_switch+0x182/0x7e0 2018/03/31 21:05:56 executing program 2: mmap(&(0x7f0000001000/0xffe000)=nil, 0xffe000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000), 0x10) setsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000001000)="da", 0x1) [ 875.684807] should_fail+0x8c0/0xa40 [ 875.688520] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 875.693639] ? __sched_text_start+0x8/0x8 [ 875.697786] ? find_held_lock+0x35/0x1d0 [ 875.701853] ? __lock_is_held+0xb6/0x140 [ 875.705929] ? check_same_owner+0x320/0x320 [ 875.710273] should_failslab+0xec/0x120 [ 875.714251] __kmalloc_track_caller+0x5f/0x760 [ 875.718837] ? idr_alloc_cyclic+0x1d6/0x320 [ 875.723161] ? kstrdup_const+0x39/0x50 [ 875.727052] kstrdup+0x39/0x70 [ 875.730252] kstrdup_const+0x39/0x50 2018/03/31 21:05:56 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x1, 0x600000) r1 = accept4$packet(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000100)=0x14, 0x800) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000bbfff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r2, 0x40045431, &(0x7f0000000000)) syz_open_pts(r2, 0x0) ioctl$TIOCGPGRP(r2, 0x540f, &(0x7f0000000140)) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r0, 0x84, 0x7, &(0x7f00000000c0)={0x6}, 0x4) [ 875.733969] __kernfs_new_node+0xa2/0x570 [ 875.738122] ? kernfs_dop_revalidate+0x380/0x380 [ 875.742879] ? retint_kernel+0x10/0x10 [ 875.746771] ? kasan_check_read+0x11/0x20 [ 875.750920] ? read_word_at_a_time+0x12/0x20 [ 875.755327] ? strscpy+0x186/0x500 [ 875.758880] kernfs_new_node+0x80/0xe0 [ 875.762772] __kernfs_create_file+0x4b/0x320 [ 875.767185] cgroup_addrm_files+0x3c5/0xa70 [ 875.771517] ? cgroup_file_write+0x710/0x710 [ 875.775933] ? getrawmonotonic64+0x460/0x460 [ 875.780344] ? kernfs_active+0x92/0x160 2018/03/31 21:05:56 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts-camellia-asm\x00'}, 0x58) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) io_setup(0x400, &(0x7f0000000080)=0x0) io_submit(r2, 0x1, &(0x7f000049bfe8)=[&(0x7f00004dbfc0)={0x0, 0x0, 0x0, 0x8, 0x0, r1, &(0x7f0000391000), 0x3e5}]) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$netrom_NETROM_T2(r3, 0x103, 0x2, &(0x7f0000000100)=0x6, 0x4) [ 875.784322] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 875.789246] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 875.793741] ? cgroup_file_name+0x1d0/0x1d0 [ 875.798072] css_populate_dir+0x340/0x420 [ 875.802229] cgroup_mkdir+0x553/0xfc0 [ 875.806028] ? __lock_is_held+0xb6/0x140 [ 875.810100] ? cgroup_destroy_locked+0x750/0x750 [ 875.814860] ? rcu_read_lock_sched_held+0x108/0x120 [ 875.819874] ? kmem_cache_free+0x258/0x2a0 [ 875.824108] ? set_nlink+0xc1/0x160 [ 875.827736] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 875.832669] ? generic_permission+0x105/0x3c0 2018/03/31 21:05:56 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) r1 = dup(r0) mq_timedsend(r1, &(0x7f0000000000)="342ae3c4208f78255a40ecde91a3f9123a1b0cd63a023986", 0x18, 0x4, &(0x7f0000000180)={0x77359400}) r2 = openat$cgroup_ro(r0, &(0x7f0000000500)='cpuacct.usage_percpu_user\x00', 0x2761, 0x0) setsockopt$inet_sctp_SCTP_EVENTS(r2, 0x84, 0xb, &(0x7f00000001c0)={0xffffffff, 0xffff, 0x7, 0x3, 0x100000000, 0x0, 0x7f, 0x4, 0xffff, 0x200, 0x2}, 0xb) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r2, 0x84, 0x13, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000200)={0x323a8, 0x3a, 0x200, 0x7, 0x354, 0x3, 0x5, 0x12, r3}, &(0x7f0000000240)=0x20) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f00000000c0)={r3, 0x3}, &(0x7f0000000100)=0xc) [ 875.837162] ? cgroup_destroy_locked+0x750/0x750 [ 875.841922] kernfs_iop_mkdir+0x153/0x1e0 [ 875.846073] vfs_mkdir+0x390/0x600 [ 875.849616] SyS_mkdirat+0x22b/0x2b0 [ 875.853331] ? SyS_mknod+0x480/0x480 [ 875.857042] ? do_fast_syscall_32+0x156/0xf9f [ 875.861537] ? SyS_mknod+0x480/0x480 [ 875.865254] do_fast_syscall_32+0x3ec/0xf9f [ 875.869586] ? do_int80_syscall_32+0x9c0/0x9c0 [ 875.874171] ? _raw_spin_unlock_irq+0x27/0x70 [ 875.878666] ? finish_task_switch+0x1c1/0x7e0 [ 875.883164] ? syscall_return_slowpath+0x2ac/0x550 2018/03/31 21:05:56 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f00000001c0)=@nat={'nat\x00', 0x19, 0x2, 0xb40, [0x20000b80, 0x0, 0x0, 0x20000bb0, 0x20000be0], 0x0, &(0x7f0000000180), &(0x7f0000000b80)=ANY=[@ANYBLOB="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"]}, 0xb90) getpeername$inet(r0, &(0x7f0000000040)={0x0, 0x0, @multicast1}, &(0x7f0000000000)=0xfffffffffffffe9a) [ 875.888095] ? prepare_exit_to_usermode+0x350/0x350 [ 875.893111] ? sysret32_from_system_call+0x5/0x3c [ 875.897959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 875.902805] entry_SYSENTER_compat+0x70/0x7f [ 875.907207] RIP: 0023:0xf7faec99 [ 875.910571] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 875.918279] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 875.925542] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 2018/03/31 21:05:56 executing program 0: r0 = socket$inet_dccp(0x2, 0x6, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffff9c, 0x8933, &(0x7f0000000000)={'erspan0\x00', 0x0}) r2 = memfd_create(&(0x7f0000000280)='trusted\x00', 0x3) accept4$bt_l2cap(r2, &(0x7f0000000380), &(0x7f00000003c0)=0xe, 0x80000) stat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000100)={{{@in=@rand_addr=0x7, @in=@dev={0xac, 0x14, 0x14, 0xc}, 0x4e20, 0x9, 0x4e21, 0xffffffffffffc9da, 0xa, 0x80, 0x80, 0x88, r1, r3}, {0x14, 0x3, 0x6, 0xff, 0x7, 0x1000, 0xb7, 0x10001}, {0x3ff, 0x9, 0x1a9, 0x8}, 0x1, 0x6e6bbe, 0x1, 0x0, 0x7b1e9ae15ca6673f}, {{@in=@rand_addr=0x4, 0x4d2, 0x32}, 0xa, @in=@dev={0xac, 0x14, 0x14, 0x16}, 0x0, 0x0, 0x0, 0x8, 0x1, 0x1, 0x64231ae8}}, 0xe8) r4 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") ioctl$sock_SIOCDELDLCI(r0, 0x8981, &(0x7f0000000200)={'teql0\x00'}) fgetxattr(r4, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xfffffd07) 2018/03/31 21:05:56 executing program 4: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0xdc, 0x40}, 0x341) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x0, 0x7, 0x0, 0x1}], {0x95}}, &(0x7f0000f6bffb)="47504cc4", 0x0, 0xfb, &(0x7f0000000000)=""/251}, 0x48) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcs\x00', 0x1, 0x0) mq_notify(r2, &(0x7f0000000240)={0x0, 0x1c, 0x5, @thr={&(0x7f0000000140)="495b544ff84891ae48b6eb0ff17991cb26eccb20bc4c8db82279cff98ccd2eec6d853f5195e79e648bc11fda8a49d3ff73f8dbbc79cd846661254c7a83e98aec3c", &(0x7f00000001c0)="1ca51e64a9aa86efaa555b26d52292974f2cd4ff9c5992faee5fdfd1b520fbf377726f0b89831d41bdbb2c5dcb2233006634e80df7b11c95529f8a30a3da3fd0aab88c8e60395741b644e30c8b673bc20e5bda3ba2"}}) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000400)=0x0) fstat(r1, &(0x7f0000000640)={0x0, 0x0, 0x0, 0x0, 0x0}) r5 = geteuid() fstat(r2, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r7 = getpgid(0xffffffffffffffff) stat(&(0x7f0000001e80)='./file0\x00', &(0x7f0000001ec0)={0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_SIOCGPGRP(r2, 0x8904, &(0x7f0000003600)=0x0) stat(&(0x7f0000003640)='./file0\x00', &(0x7f0000003680)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000003700)=0x0, &(0x7f0000003740), &(0x7f0000003780)) ioctl$sock_SIOCGPGRP(r2, 0x8904, &(0x7f00000037c0)=0x0) r13 = getuid() r14 = getegid() r15 = getpgid(0xffffffffffffffff) fstat(r1, &(0x7f0000003800)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x8, &(0x7f0000003880)=[0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff]) syz_open_dev$dspn(&(0x7f0000003c40)='/dev/dsp#\x00', 0x5fc, 0x0) ioctl$sock_SIOCGPGRP(r2, 0x8904, &(0x7f00000038c0)=0x0) getsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f0000003900)={{{@in=@rand_addr, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@rand_addr}}, &(0x7f0000003a00)=0xe8) getresgid(&(0x7f0000003a40), &(0x7f0000003a80)=0x0, &(0x7f0000003ac0)) sendmsg$netlink(r2, &(0x7f0000003c00)={&(0x7f0000000280)=@kern={0x10, 0x0, 0x0, 0x5000320}, 0xc, &(0x7f00000035c0)=[{&(0x7f00000002c0)={0x140, 0x3c, 0x316, 0x70bd25, 0x25dfdbfb, "", [@generic="513c6f96f92fb21445e21cd6533c89ba67a276f5adb6de15639837acfa8fbdbcf3b6552bee9a83dfc14b59082721894e5547abb3c4ee111f018eaf3e40e9e65f335f4a847b64434fe1fc6f74c114591c6c998d712f97c07aa5a4092f9b02d239ccd08b520df0", @generic="bcbc61bdd7b2b2426484e1ffa04925322428f017407b58d398bc0a4bb86f65ed47748e396b8c87bc562ac10f4914f25c5c1cab10ba550f278d12951d4591f605f721f5ad0d68389dfa27f5989c6abfe7150badf21208c2cfe2407efd867f6321fb3ffed6f6089e9869f5a2cc4f473a084e630912c1e7bbb3cb7068b794f31d555ec8c1562992d78f939be4a82459f4a4adac55a2d8ce918bc510282a5544f3cb2cdbf66a795bb4eac79eb41a08ed624afeb5a7a2d16849f96e34dbe8ce9ba7b7d1bd046cff887447"]}, 0x140}, {&(0x7f0000000440)={0x1c4, 0x30, 0x0, 0x70bd25, 0x25dfdbfb, "", [@nested={0x10c, 0x14, [@generic="88067e9a1525bee436aa3080b0e9d468c45ab907a654d156fb1da1631fb310222f9ad5ce9526a50c1840eaa57a821c7182c6893143e289369c16df5c300d03c01bf18d0557b6e3f7effbb69931aef1044a7546172e01185b691db88ad1c270ee7a146e8d84187d107f85d9421403bb29129cbd8fb27a379ba4d2a812fa", @generic="fd73509a9887c8d5738170422e7fc0d2149b45", @generic="869dc583b7261dbb92b0cf4ddbae6de23325144cff98c54e6639e4021126d2420af334b6bd7fb5da88b6310d5f220a0e58458cfd9b182f1c353bb270514fc1fc704a9a67ee9bdd3d12c4d633ac7575792fc4451ca96793f685575b107c14292f44b91dc9b9ed14f1f0f545ad081345b2", @typed={0x8, 0x0, @str=':\x00'}]}, @generic="c09319e896cef78217adbdfb80c0f17efc62af79", @typed={0x8, 0x2, @pid=r3}, @typed={0x8, 0x33, @str="47504cc4"}, @generic="f99fe427128eb0765c3e3bde8c07", @typed={0x20, 0x69, @str="776c616e30c774727573746564747275737465642847504c5c00"}, @generic="133896596eff617e89fb0df1c248d71e8774cd9f4a2bd18c6aab6c920e06a4e25779bc1e3eb040be378679a894d8ccc27f0ce6add0fc584becc5e00812c0077ab419de7af4d85eac3aabf88bffb02494d438a367"]}, 0x1c4}, {&(0x7f0000000740)={0x1458, 0x19, 0x200, 0x70bd26, 0x25dfdbfd, "", [@nested={0x7c, 0x13, [@typed={0x8, 0x6c, @u32=0x4}, @generic="a161f2dae46764c76e061763df748dc3215bba547166033a36bb7864d7ec03ce80f75fac1006d5246be728bc616600e647fd0c09e9b28099e592ef8cc93bb9ff1c71697056df59bdb92717d5f81e0bcb530f241f5dc95ebdbf31274513a4a2e7c1255567b9105043ed33cc3457b053"]}, @nested={0x126c, 0x2a, [@typed={0x3c, 0x72, @binary="73b1a52099336f68a45d2f1a530c8f52c3d4ba38d3d521a57b904f7546d282d96eaa6a6fc19be24a7f8f2d2a542dc40a9126a557519bc220"}, @generic="0ef4087c785b40ae65da22c6144fa208d5d1fdd4437f54d424a60417662328653be2429e2875a2ce2aab96b5a2fe8d57ceb6c916781d3c367325e936d69c7b7a302a4150744be42c8d25cde1715fa2a51968cec36b013229f46263863634981b27fd15711cb6c5bc016a28d299b6779bc2367bf56cd8dcd54cf2ced27a1e42b9c110635b263c4da3cf4953d3a6e07dbf81670830b71bba165ffd8a1e52e4c0ead81d8c384baf3ac864727e534a0fdce29c25ff6fe350e77a01cf4050e245ef8ff50bb1c6119eb102113d1e88a14f4de109dfbfb150c7dbb64000fef4c8092721048f61052e36ebe749e8493160e1591d5793f5e56b93c2d0b7", @typed={0x8, 0x66, @uid=r4}, @generic="3c649ce999a3e7dfc3037912b920834e04865fcc0ac606c72cf3ac1bd1b6b14ef9f1a68eaf30377b46b0822453d3e1afcd16063d42bf0cf508f8f331d0e4a799d4c51df02258870ceba6413fab5b663700525414c64e6bb157bec89a07eec95ae019c029198c4e1bed9b8fee6bcc40b5e08a2b41b6fe7d36b5bfea031ce7bb6b6ae9ebb26c356094bcb33106d8ed96c8d82e22c8fb0a9c831edece03a28232594daefa79468dbd163d029b2ef6b821fcdfb11c1c5e1bf457bc9e6cb6680d44acf0763c09bed0fa51329cf6cf0e146b8a07e026512821a7a63474f92816cac1", @typed={0x8, 0x22, @uid=r5}, 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@generic="8bf8c5c3e06ba282cb698b2b9bbee59c149a769ab9943040a6780fb816f4a356e0520243ba2b349b0239b31836c3419bc6262d6dc3e48a1b5519022ce02799ec26fc4e9f1ccab3c408550865e623d87367b8b05aba2b707489447afd7037051ad6d4a00373e693dea0866eadb5479cdf108050a56a80f7d49bb93d07d0e55e556d351b0adb4402db7aff2cad47613e64b47e557c8e6a21342b1106a392bca5d44d7ef076f85c055511291e46b6ad0e"]}]}, 0x3e0}, {&(0x7f0000002340)={0x1244, 0x39, 0x0, 0x70bd2b, 0x25dfdbfc, "", [@nested={0x228, 0x2a, [@generic="cb843837efeec9166c25ad2be545ca9276dcd5f9afec2d4f2997bd0aa1f288af98193c1928abfc624322cf21e173685db52acb04bfe2f250cc96d9395e1510c0fce3c3fe53a307de5b2ac30dbbf733ac3afc87c58a779202c7c04d20aa31462e806e1bf3adb6e30c84685027f29461730b24cc43f6dc98e4ba1f458161f6daa5e78f73", @generic="9f930294cc9f4eaee88299af0747c037abb1410e67ac7976d10de4fe1b285c069f07ee623e4a33cbbb648c2995bdce3b42f3691bb0163178344ba67f48f484eb2e31e3e9c98248e1123b1babf096ec734ddada4f76c2c7a7c537d0afcce0febd14e8f318062d3631e0930db85bc44ab027309eb285bcc060314c0cef4fecc67b7ceac911fbf07e5c10db42ce23ddd2a710ffa7f819c0d69cac52f162e42ec96951ba5231436b9bf1c6190d3c4c5336e1284181ffada89b943dedd95d3e3cc05cee0f87d505b78ec1ad798b1520f2da5100c2197d9c98dfc67989da248cdaecfb4624a3ff98ba7a698bec2b80bd9ede9d5cde3e", @typed={0xc, 0x46, @binary="b9bd04873debae0c"}, @generic="8b84a30d909dac34c3423a44ae06c5dc26ef90594904f1d7e5dc11a05f91ac944e80c44155c9c984910ab7574d5fabe3fd7950920c6e580ca62e23051f965e572319e600a4dea55aa158720dfd46514a413581c536efe6336db8effd31745d0dd3b0bf4c31a42795e0c8b3bf6a3e01c6f2632591e0548c6c327a2d85e96ea8928a70a4cd42420ae60cfe3d0df721eecc81161ca1cd49a06c", @typed={0x8, 0x8b, @ipv4=@rand_addr=0x5}]}, @typed={0xc, 0x22, @u64=0xff}, @generic="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0x1244}], 0x7, &(0x7f0000003b00)=[@rights={0x10, 0x1, 0x1, [r0]}, @cred={0x18, 0x1, 0x2, r9, r10, r11}, @cred={0x18, 0x1, 0x2, r12, r13, r14}, @cred={0x18, 0x1, 0x2, r15, r16, r17}, @rights={0x18, 0x1, 0x1, [r2, r0, r2]}, @rights={0x1c, 0x1, 0x1, [r0, r1, r1, r1]}, @rights={0x14, 0x1, 0x1, [r2, r1]}, @cred={0x18, 0x1, 0x2, r18, r19, r20}, @rights={0x10, 0x1, 0x1, [r1]}], 0xc8}, 0x4051) [ 875.932809] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 875.940072] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 875.947335] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 875.951883] x_tables: eb_tables: arpreply target: used from hooks POSTROUTING, but only usable from PREROUTING [ 875.954694] cgroup: cgroup_addrm_files: failed to add cgroup.stat, err=-12 2018/03/31 21:05:56 executing program 6: mkdir(&(0x7f0000000480)='./file0\x00', 0xf) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) r1 = accept4$inet(0xffffffffffffff9c, &(0x7f0000000100)={0x0, 0x0, @remote}, &(0x7f0000000180)=0x10, 0x80000) connect$inet(r1, &(0x7f00000001c0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) symlinkat(&(0x7f00000002c0)='./file0/file0\x00', r0, &(0x7f0000000280)='./file0\x00') faccessat(r0, &(0x7f0000000240)='./file0/file0\x00', 0x1, 0x200) openat$ashmem(0xffffffffffffff9c, &(0x7f0000000200)='/dev/ashmem\x00', 0x8000, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f00000000c0)={0x3, &(0x7f0000000040)=[{0x2, 0x0, 0x7, 0xc2}, {0x3ff, 0x3, 0x7, 0x1ff}, {0x100000000, 0x4, 0x3}]}, 0x8) 2018/03/31 21:05:56 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x7fffffff) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f00000002c0)={0x0, 0xfffffffffffff9c3, 0xffffffffffffffc0, 0x5, 0x2, 0x1000}, &(0x7f0000000300)=0x14) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x16, &(0x7f0000000080), 0x4) r2 = socket$inet6(0xa, 0x3, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000480)={r1, 0xe8, "2488372b6dc26de2724560de736cbadca3b864a0a7bb546a916c6de64a3561160c21e4e0ee9861581f85f7d1747766405cc4de552b2eee5b3e31bfa3aa4588d26f8f9c7a1bc927f3e1841f07fa020106e09cb44b747e65b17d6211c81f54b163c37e179d4161b2479d7fa756b153c06e237f008f8e26319836eec6c5481b0379fe75911886f74775b69c1c618b551fa1a2ee5353929f855ff0777d77c1b02abc4922c8d5f34ebed72ad20c8ed138d63003885c5f2fdfef2c3aac08ae32a0481e39cb4d37d9f3dd6672e1fd637636b13638f13a8a14aef886f3621495cd49e5a0e43ade623b54b567"}, &(0x7f0000000580)=0xf0) bind$inet6(r4, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) getsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000380)={@loopback={0x0, 0x1}, 0x1ff, 0x1, 0x2, 0x1, 0x7ff, 0x2, 0xffffffffffff2070}, &(0x7f00000003c0)=0x20) listen(r3, 0x1) getsockname(r4, &(0x7f0000000100)=@pppol2tpv3in6, &(0x7f0000000040)=0x80) sendto$inet6(r3, &(0x7f0000f6f000), 0x0, 0x20000004, &(0x7f0000b63fe4)={0xa, 0x4e22}, 0x1c) r5 = accept4$inet6(r4, &(0x7f0000000080)={0x0, 0x0, 0x0, @loopback}, &(0x7f00000000c0)=0x1c, 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f00000001c0)={&(0x7f0000000000)='./file0\x00'}, 0x10) syz_mount_image$hfsplus(&(0x7f0000000180)='hfsplus\x00', &(0x7f0000000200)='./file0\x00', 0x2, 0x2, &(0x7f0000000340)=[{&(0x7f0000000240)="e60674984d677d0e0b02217037032c8f11357749e0c3ec4272ad48f3c06bece1d70eeec7eb278126dd0c8a71abf6a8ac91594bdfccce76b98357", 0x3a, 0x80000000}, {&(0x7f0000000280)="f4ac67617e2c4f58290be9e578b3678a", 0x10, 0x7}], 0x200000, &(0x7f0000000400)=ANY=[@ANYBLOB="666f7263652c756d61736b3d33373235373234332c706172743d363b0037372c747970003d4d79c7192c6769643d2c6769643d357f3034353f382c7569643d322c6e6f6465636f6d706f73652c706172743d3d2c00d72f4afe2c750c0d867fae80a3883602e9e8"]) close(r3) close(r5) [ 876.084540] x_tables: eb_tables: arpreply target: used from hooks POSTROUTING, but only usable from PREROUTING 2018/03/31 21:05:56 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000540)={0x2, 0x4e22}, 0x10) r1 = accept4(r0, &(0x7f0000000740)=@in6={0x0, 0x0, 0x0, @loopback}, &(0x7f0000000040)=0x80, 0x80800) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f00000004c0)={0x0, 0x10001, 0x0, 0xc1d, 0x5}, &(0x7f00000007c0)=0x18) getsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000800)=@assoc_id=r2, &(0x7f0000000840)=0x4) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000580)={0x3f, @local={0xac, 0x14, 0x14, 0xaa}, 0x4e23, 0x4, 'dh\x00', 0x0, 0xffffffffffffffe1, 0x66}, 0x2c) sendto$inet(r0, &(0x7f0000243fca), 0x0, 0x200080c4, &(0x7f0000b56000)={0x2, 0x4e22}, 0x10) ioctl$SIOCSIFMTU(r1, 0x8922, &(0x7f0000000500)={'ip6gre0\x00', 0x1}) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$int_in(r0, 0x5452, &(0x7f0000000980)=0x7fff) getsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000880), &(0x7f00000008c0)=0x4) setsockopt$inet6_buf(r3, 0x29, 0x45005fac183ce49f, &(0x7f00000005c0)="76ab7401d50e27a3f5b4920784cd2e3ab1a9395272c3ede3580e5f9302a9247d703ddb58e3febcdb48e778a39d4c07f47cc9554fa3ddb824b3a4fe808dad0a2282a90aeedf89bebeec97f44c94f2d497b71e0f34284059394c77fad8d3e27b936093bfcc78612c02fe2de58f033424a6fd0bc951be8c370e8512ab5e", 0x7c) setsockopt$inet6_MCAST_MSFILTER(r3, 0x29, 0x30, &(0x7f00000009c0)=ANY=[@ANYBLOB="00040000000000000a004e2306000000fe80e2000000000000000000000000bb00020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ebffffff00000000000000000000000001000000010000000a004e2201000080fe8000000000000000000000000000160500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x1) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f0000000680)={0x0, 0x0, 0x10, 0xd21, 0x81}, &(0x7f00000006c0)=0x18) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000b00)={r4, 0x2}, 0x8) getsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, &(0x7f0000000700)=@assoc_value={r4, 0x80000001}, &(0x7f0000000640)=0x8) readv(r0, &(0x7f0000000940)=[{&(0x7f0000000000)=""/34, 0x22}], 0x1) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, &(0x7f0000000900)={0x661a0300, 0x0, 0x6, 0x100000001, r4}, 0x10) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000b26000)=0x1ffa, 0x4) writev(r0, &(0x7f0000018cd2)=[{&(0x7f0000068000)="02", 0x1}], 0x1) recvmsg(r0, &(0x7f0000000480)={&(0x7f0000000080)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @dev}}}, 0x26, &(0x7f0000000380)=[{&(0x7f00000000c0)=""/150, 0x96}, {&(0x7f0000000180)=""/218, 0xda}, {&(0x7f0000000280)=""/214, 0xd6}], 0x3, &(0x7f00000003c0)=""/171, 0xab, 0x2}, 0x12000) 2018/03/31 21:05:56 executing program 1 (fault-call:6 fault-nth:24): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:56 executing program 5: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$KDDELIO(r0, 0x4b35, 0x10001) r2 = epoll_create1(0x80000) fcntl$notify(r0, 0x402, 0x8) close(r1) openat$dsp(0xffffffffffffff9c, &(0x7f0000f33000)='/dev/dsp\x00', 0x22002, 0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f00003cbff4)) 2018/03/31 21:05:56 executing program 3: mknod(&(0x7f0000043ff8)='./file0\x00', 0x1039, 0x0) r0 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x0, 0x8400) ioctl$ASHMEM_SET_PROT_MASK(r0, 0x40047705, &(0x7f0000000040)={0x9}) r1 = open$dir(&(0x7f00004be000)='./file0\x00', 0x0, 0x0) r2 = creat(&(0x7f0000000180)='./file0\x00', 0x0) write(r2, &(0x7f00000000c0)="67b8f6c54a345db0adf7860d86332935120da6d9cb00bce25922eec180d24edfc3277fbfafc6c65ed42d0320cbbba58fc688a769c0d93a14ee396827617a12fd97499ef2e564d7e5612c17f908ff0b577152ceb6a81756112743301915e3b4d2345f20bf729fbb0d038387cc1ec4feb6faadacea600edd", 0x77) setsockopt$IP_VS_SO_SET_DELDEST(r0, 0x0, 0x488, &(0x7f0000000340)={{0x0, @broadcast=0xffffffff, 0x4e21, 0x1, 'wlc\x00', 0x0, 0x1, 0x12}, {@multicast2=0xe0000002, 0x4e20, 0x0, 0xfffffffffffffeff, 0x7fff, 0x81}}, 0x44) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000003c0)=@req3={0x800000, 0x6, 0x6, 0x400, 0x5, 0xb0, 0x1f}, 0x1c) fstat(r1, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x0}) ioprio_set$uid(0x3, r3, 0x551) openat$cgroup(r0, &(0x7f0000000080)='syz0\x00', 0x200002, 0x0) open(&(0x7f0000000140)='./file0\x00', 0x2805, 0x0) recvfrom(r2, &(0x7f00000001c0)=""/207, 0xcf, 0x10000, &(0x7f00000002c0)=@nfc={0x27, 0x0, 0x1, 0x3}, 0x80) 2018/03/31 21:05:56 executing program 4: readv(0xffffffffffffffff, &(0x7f000005a000), 0x200000f7) r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00005a8000)='/dev/sequencer2\x00', 0x8002, 0x0) write$tun(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="ee00002000000000870dffff001e0000ffffffc4040000ffffff00b6aa0019008ee2d610179b0000"], 0x28) ioctl$SNDRV_TIMER_IOCTL_PVERSION(r0, 0x80045400, &(0x7f0000000100)) 2018/03/31 21:05:56 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in={{0x2, 0x4e20}}, 0x2, 0x8, 0x1, 0x100000000, 0x10}, &(0x7f0000000180)=0x98) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000001c0)={r1, 0x8001}, &(0x7f0000000200)=0x8) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f0000000000)=""/159, 0x60) 2018/03/31 21:05:56 executing program 7: socketpair(0x10, 0x80a, 0x7fffffff, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PIO_SCRNMAP(r0, 0x4b41, &(0x7f0000000300)="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") syz_emit_ethernet(0x6e, &(0x7f0000000080)={@link_local={0x1, 0x80, 0xc2}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv4={0x800, {{0x7, 0x4, 0x0, 0x0, 0x60, 0x0, 0x0, 0x0, 0x0, 0x0, @rand_addr, @broadcast=0xffffffff, {[@rr={0x7, 0x3, 0x5358}, @rr={0x7, 0x3}]}}, @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558}}}}}}, &(0x7f00000002c0)) syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x10000000006, 0x80100) 2018/03/31 21:05:56 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) link(&(0x7f0000000040)='./file0/file0\x00', &(0x7f00000000c0)='./file0\x00') mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) [ 876.227442] IPVS: set_ctl: invalid protocol: 63 172.20.20.170:20003 dh [ 876.244310] FAULT_INJECTION: forcing a failure. [ 876.244310] name failslab, interval 1, probability 0, space 0, times 0 [ 876.255624] CPU: 0 PID: 22168 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 876.262990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 876.272348] Call Trace: [ 876.274945] dump_stack+0x194/0x24d [ 876.278590] ? arch_local_irq_restore+0x53/0x53 [ 876.283286] should_fail+0x8c0/0xa40 [ 876.287007] ? kstrdup+0x39/0x70 [ 876.290386] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 876.295491] ? cgroup_mkdir+0x553/0xfc0 [ 876.299472] ? vfs_mkdir+0x390/0x600 [ 876.303186] ? SyS_mkdirat+0x22b/0x2b0 [ 876.307080] ? do_fast_syscall_32+0x3ec/0xf9f [ 876.311587] ? find_held_lock+0x35/0x1d0 [ 876.315665] ? find_held_lock+0x35/0x1d0 [ 876.319740] ? __lock_is_held+0xb6/0x140 [ 876.323826] ? check_same_owner+0x320/0x320 [ 876.328156] ? rcu_note_context_switch+0x710/0x710 [ 876.333093] ? rcu_read_lock_sched_held+0x108/0x120 [ 876.338130] should_failslab+0xec/0x120 [ 876.342113] kmem_cache_alloc+0x47/0x760 [ 876.346183] ? memcpy+0x45/0x50 [ 876.349472] ? kstrdup+0x59/0x70 [ 876.352848] __kernfs_new_node+0xe2/0x570 [ 876.357003] ? kernfs_dop_revalidate+0x380/0x380 [ 876.361771] ? kasan_check_read+0x11/0x20 [ 876.365927] ? read_word_at_a_time+0x12/0x20 [ 876.370845] ? strscpy+0x186/0x500 [ 876.374411] kernfs_new_node+0x80/0xe0 [ 876.378309] __kernfs_create_file+0x4b/0x320 [ 876.382730] cgroup_addrm_files+0x3c5/0xa70 [ 876.387139] ? cgroup_file_write+0x710/0x710 [ 876.391588] ? getrawmonotonic64+0x460/0x460 [ 876.396013] ? kernfs_active+0x92/0x160 [ 876.400009] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 876.404949] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 876.409446] ? cgroup_file_name+0x1d0/0x1d0 [ 876.413781] css_populate_dir+0x340/0x420 [ 876.417927] cgroup_mkdir+0x553/0xfc0 [ 876.421723] ? __lock_is_held+0xb6/0x140 [ 876.425803] ? cgroup_destroy_locked+0x750/0x750 [ 876.430562] ? rcu_read_lock_sched_held+0x108/0x120 [ 876.435583] ? kmem_cache_free+0x258/0x2a0 [ 876.439831] ? set_nlink+0xc1/0x160 [ 876.443470] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 876.448405] ? generic_permission+0x105/0x3c0 [ 876.452912] ? cgroup_destroy_locked+0x750/0x750 [ 876.457703] kernfs_iop_mkdir+0x153/0x1e0 [ 876.461860] vfs_mkdir+0x390/0x600 [ 876.465411] SyS_mkdirat+0x22b/0x2b0 [ 876.469134] ? SyS_mknod+0x480/0x480 [ 876.472853] ? do_fast_syscall_32+0x156/0xf9f [ 876.477342] ? SyS_mknod+0x480/0x480 [ 876.481059] do_fast_syscall_32+0x3ec/0xf9f [ 876.485378] ? do_int80_syscall_32+0x9c0/0x9c0 [ 876.489951] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 876.495491] ? syscall_return_slowpath+0x2ac/0x550 [ 876.500418] ? sysret32_from_system_call+0x5/0x3c [ 876.505256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 876.510096] entry_SYSENTER_compat+0x70/0x7f [ 876.514496] RIP: 0023:0xf7faec99 [ 876.517841] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/03/31 21:05:56 executing program 7: r0 = socket$inet_smc(0x2b, 0x1, 0x0) perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41, 0x0, 0x7f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmmsg(r0, &(0x7f00000001c0)=[{{&(0x7f0000000380)=@nl=@unspec, 0x80, &(0x7f0000002b00), 0x0, &(0x7f0000002b40)}}, {{&(0x7f00000000c0)=@nl=@unspec, 0x80, &(0x7f0000000340), 0x0, &(0x7f0000000400)}}], 0x8000000000000f6, 0x0) 2018/03/31 21:05:56 executing program 0: r0 = syz_open_dev$adsp(&(0x7f0000000040)='/dev/adsp#\x00', 0x7, 0x101000) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(r0, 0x40045542, &(0x7f00000001c0)=0x9) r1 = syz_open_dev$vcsn(&(0x7f0000000180)='/dev/vcs#\x00', 0x4a, 0x189000) ioctl$PIO_UNISCRNMAP(r1, 0x4b6a, &(0x7f0000000080)="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") getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000000200)={0x2, [0x0, 0x0]}, &(0x7f0000000280)=0xc) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000380)={r2, 0x81, 0x30}, &(0x7f00000003c0)=0xc) r3 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(r3, 0x40045542, &(0x7f0000000000)=0xaa53) fgetxattr(r3, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:05:56 executing program 7: perf_event_open(&(0x7f0000001000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8ce, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000005000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000001000)={0x10000, 0x4, 0x100, 0x400}, 0x10) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) getpeername$inet(r0, &(0x7f0000000040)={0x0, 0x0, @remote}, &(0x7f0000000080)=0x10) r1 = socket(0x14, 0x4000000000080003, 0x0) setsockopt$packet_int(r1, 0x107, 0xa, &(0x7f0000788000)=0x2, 0x4) setsockopt(r1, 0x107, 0x5, &(0x7f0000001000), 0xc5) r2 = getpid() ioprio_get$pid(0x1, r2) [ 876.525536] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 876.532788] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 876.540049] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 876.547310] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 876.554562] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 876.562076] cgroup: cgroup_addrm_files: failed to add cgroup.stat, err=-12 [ 877.167969] IPVS: set_ctl: invalid protocol: 63 172.20.20.170:20003 dh 2018/03/31 21:05:57 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000000)=@random={'system.', 'user.syz\x00'}, &(0x7f00000002c0)=""/159, 0x9f) 2018/03/31 21:05:57 executing program 7: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='cpuacct.usage_user\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000080)={0x0, 0x5}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f0000000100)={r1, @in={{0x2, 0x4e23, @multicast1=0xe0000001}}}, 0x84) mknod(&(0x7f0000001f80)='./file0\x00', 0x0, 0x0) perf_event_open(&(0x7f000000a000)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0xa00000400, 0xffffffffffffffff, 0x5}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00008deff8)='./file0\x00', &(0x7f0000343ff8)='./file0\x00', &(0x7f000015bffc)='nfs\x00', 0x0, &(0x7f000000a000)) 2018/03/31 21:05:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000080)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000023ff0)={&(0x7f0000010ec4)={0x18, 0x30, 0x80aff, 0x0, 0x0, {0x1000000000001}, [@nested={0x4}]}, 0x18}, 0x1}, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') r2 = syz_open_dev$audion(&(0x7f00000001c0)='/dev/audio#\x00', 0x3, 0x0) ioctl$EVIOCSABS2F(r2, 0x401845ef, &(0x7f0000000200)={0x8, 0x8, 0x100, 0x10000, 0x80, 0x1}) sendmsg$IPVS_CMD_DEL_SERVICE(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2001400}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r1, 0x400, 0x70bd25, 0x25dfdbfb, {0x3}, [@IPVS_CMD_ATTR_DEST={0x1c, 0x2, [@IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x6b3de143}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}]}]}, 0x30}, 0x1, 0x0, 0x0, 0x40}, 0x40) 2018/03/31 21:05:57 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x70, 0x800, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000001, 0x0, 0x0, 0x0, 0x0, 0x760}, 0x0, 0xa, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:05:57 executing program 4: mkdir(&(0x7f000082f000)='./control\x00', 0x2) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000e4c000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000043fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = creat(&(0x7f0000000000)='./control/file0\x00', 0x0) write$sndseq(r1, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) unlink(&(0x7f0000f86000)='./control/file0\x00') rmdir(&(0x7f00000000c0)='./control\x00') umount2(&(0x7f0000000040)='./control/file1\x00', 0x0) syz_fuseblk_mount(&(0x7f0000000140)='./control\x00', &(0x7f0000000180)='./control/file1\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) close(r0) 2018/03/31 21:05:57 executing program 2: r0 = socket(0x1e, 0x2000000000000005, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000380)={'bridge0\x00', &(0x7f0000000080)=ANY=[@ANYBLOB="0f38d14e7078f745760dba0b7ef120a0257f9d3017d809778e0106aeed505a4a1b19abf2ecf96f01274806629e2d59b9468d2929a5a7215c130ff734daaeb26d4cd5874ff564fd6fa88c2c0218705bccb8504a545e"]}) syz_genetlink_get_family_id$ipvs(&(0x7f0000000000)='IPVS\x00') stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f00000001c0)=0xb33, 0x4) ioctl$DRM_IOCTL_GET_MAGIC(r0, 0x80046402, &(0x7f0000000040)=0x80000001) 2018/03/31 21:05:57 executing program 1 (fault-call:6 fault-nth:25): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:57 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f00009e3ff2)='net/igmp\x00') ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r0, 0xc08c5332, &(0x7f0000000140)={0x10001, 0x2, 0x4, 'queue0\x00', 0x80}) ioctl$sock_SIOCSIFBR(r0, 0x8941, &(0x7f0000000080)=@add_del={0x2, &(0x7f0000000040)='nr0\x00'}) ioctl$sock_ipx_SIOCAIPXITFCRT(r0, 0x89e0, &(0x7f0000000200)=0x4) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f00000000c0), &(0x7f0000000100)=0x4) fstat(r0, &(0x7f0000000240)) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) sendfile(r0, r0, &(0x7f0000014000)=0x400000, 0x10001) [ 877.353964] rpcbind: RPC call returned error 22 [ 877.372442] FAULT_INJECTION: forcing a failure. [ 877.372442] name failslab, interval 1, probability 0, space 0, times 0 [ 877.383857] CPU: 0 PID: 22206 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 877.391222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 877.400579] Call Trace: [ 877.403177] dump_stack+0x194/0x24d [ 877.406817] ? arch_local_irq_restore+0x53/0x53 [ 877.411597] should_fail+0x8c0/0xa40 [ 877.415328] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 877.420437] ? kernfs_add_one+0x50/0x450 [ 877.424512] ? kernfs_add_one+0x50/0x450 [ 877.428587] ? trace_hardirqs_off+0x10/0x10 [ 877.432923] ? find_held_lock+0x35/0x1d0 [ 877.437010] ? __lock_is_held+0xb6/0x140 [ 877.441098] ? check_same_owner+0x320/0x320 [ 877.445432] ? lock_downgrade+0x980/0x980 [ 877.449588] ? rcu_note_context_switch+0x710/0x710 [ 877.454541] should_failslab+0xec/0x120 [ 877.458523] __kmalloc_track_caller+0x5f/0x760 [ 877.463118] ? idr_alloc_cyclic+0x1d6/0x320 [ 877.467454] ? kstrdup_const+0x39/0x50 [ 877.471349] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 877.476204] kstrdup+0x39/0x70 [ 877.479405] kstrdup_const+0x39/0x50 [ 877.483127] __kernfs_new_node+0xa2/0x570 [ 877.487286] ? kernfs_dop_revalidate+0x380/0x380 [ 877.492077] ? kasan_check_read+0x11/0x20 [ 877.496260] ? read_word_at_a_time+0x12/0x20 [ 877.500764] ? strscpy+0x186/0x500 2018/03/31 21:05:57 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f000001aff8)={0xffffffffffffffff}) setsockopt$sock_int(r0, 0x1, 0x2a, &(0x7f0000016ffc)=0x1, 0x4) r1 = syz_open_dev$dmmidi(&(0x7f00000000c0)='/dev/dmmidi#\x00', 0x9, 0x800) write(r0, &(0x7f0000000140)='j', 0x21f) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x208c0, 0x0) setsockopt$inet6_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000080)='tls\x00', 0x4) setsockopt$netlink_NETLINK_RX_RING(r1, 0x10e, 0x6, &(0x7f0000000180)={0x3b9e, 0x3, 0x1f, 0x2}, 0x10) syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0xd3, 0x501000) ioctl$sock_bt_hidp_HIDPCONNDEL(r0, 0x400448c9, &(0x7f0000000100)={{0x6562, 0x8, 0x3ff, 0x1, 0xc98bc54, 0xfffffffffffffff7}, 0x8}) recvmsg(r0, &(0x7f0000019fc8)={0x0, 0x0, &(0x7f000001a000), 0x0, &(0x7f000001b000)}, 0x2) 2018/03/31 21:05:57 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000000)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f0000000380)=""/159, 0x9f) r1 = openat$cgroup_ro(r0, &(0x7f00000001c0)='memory.current\x00', 0x0, 0x0) vmsplice(r1, &(0x7f0000000440)=[{&(0x7f0000000200)="39e44899fd569b77d69a7ea266700c574ebd4ca4264cf423539fa6d5639302de8ae34f6e8fb6d3eb531686981bb518cdf25a322e", 0x34}, {&(0x7f0000000280)="ece96a4fdbd2ee67784fa4dbeb8be2184ab29a9e159002ed43e083d914badeefc83d15a320a0a719cf3e57d3a758843a35a456142912770c8c476b608f1d4a7e709e0ef3b9c5d4", 0x47}, {&(0x7f0000000300)="b0bdaa65c2e793e2a6318b5731ae09f70b1556f3fa7916a1ec52cc1dc3971a53ea26a83887895b7f8d120d5bb0cd19eb65d9a48986177994c6e3a21cfd38dc61658a51d11400a3", 0x47}], 0x3, 0x9) fcntl$getflags(r0, 0xb) openat$cgroup_procs(r1, &(0x7f0000000480)='cgroup.procs\x00', 0x2, 0x0) 2018/03/31 21:05:57 executing program 7: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x3, &(0x7f0000000180)=ANY=[@ANYBLOB="180000000000000000000000000003000000000000000000ff43f2fedb8912330cf76d5b3c69e73178287f15fa107d7e325ad1971290970becb7b9ea28a5140db3a74c669eb21a97eef415ac784672dd8b8eb075c3d65a6a814f8a524c4e69dc63b4636ad9e6b5e4df148b267eacca7a7b8a14e0eb4afe2efc5deaffe6b0b14c1e88a4bb4f0c5e6da2c1df57a4c367ac7206d947a1ac29226ecf757a1964a44f5ba62f5d14839be8a19045445f4df633f7895c002a03b91b6942249225bc098901a3637caf10cdfc0e3cc627bbe979745b56c3bc4642b1b0b0"], &(0x7f0000003ff6)='syzkaller\x00', 0x3, 0xc3, &(0x7f0000386000)=""/195}, 0x48) r1 = socket$kcm(0x29, 0x10000000000002, 0x0) r2 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$llc_int(r2, 0x10c, 0x0, &(0x7f00000002c0), &(0x7f0000000300)=0x4) uselib(&(0x7f0000000280)='./file0\x00') ioctl$PERF_EVENT_IOC_DISABLE(r2, 0x2401, 0x2) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000140)={&(0x7f0000000080)='./file0\x00'}, 0x10) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f00000000c0)=r0, 0x4) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f0000000100)=r0, 0x4) [ 877.504326] kernfs_new_node+0x80/0xe0 [ 877.508224] __kernfs_create_file+0x4b/0x320 [ 877.512644] cgroup_addrm_files+0x3c5/0xa70 [ 877.516986] ? cgroup_file_write+0x710/0x710 [ 877.521417] ? getrawmonotonic64+0x460/0x460 [ 877.525841] ? kernfs_active+0x92/0x160 [ 877.529829] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 877.534764] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 877.539265] ? cgroup_file_name+0x1d0/0x1d0 [ 877.543596] css_populate_dir+0x340/0x420 [ 877.547756] cgroup_mkdir+0x553/0xfc0 [ 877.551563] ? __lock_is_held+0xb6/0x140 [ 877.555638] ? cgroup_destroy_locked+0x750/0x750 [ 877.560403] ? rcu_read_lock_sched_held+0x108/0x120 [ 877.565429] ? kmem_cache_free+0x258/0x2a0 [ 877.569672] ? set_nlink+0xc1/0x160 [ 877.573309] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 877.578243] ? generic_permission+0x105/0x3c0 [ 877.582753] ? cgroup_destroy_locked+0x750/0x750 [ 877.587515] kernfs_iop_mkdir+0x153/0x1e0 [ 877.591676] vfs_mkdir+0x390/0x600 [ 877.595228] SyS_mkdirat+0x22b/0x2b0 [ 877.598951] ? SyS_mknod+0x480/0x480 [ 877.602671] ? do_fast_syscall_32+0x156/0xf9f [ 877.607172] ? SyS_mknod+0x480/0x480 [ 877.610889] do_fast_syscall_32+0x3ec/0xf9f [ 877.615222] ? do_int80_syscall_32+0x9c0/0x9c0 [ 877.619806] ? _raw_spin_unlock_irq+0x27/0x70 [ 877.624305] ? finish_task_switch+0x1c1/0x7e0 [ 877.628809] ? syscall_return_slowpath+0x2ac/0x550 [ 877.633741] ? prepare_exit_to_usermode+0x350/0x350 [ 877.638776] ? sysret32_from_system_call+0x5/0x3c [ 877.643630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 877.648492] entry_SYSENTER_compat+0x70/0x7f 2018/03/31 21:05:58 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") signalfd(r0, &(0x7f0000000040), 0x8) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) [ 877.652899] RIP: 0023:0xf7faec99 [ 877.656258] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 877.663974] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 877.671250] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 877.678516] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 877.685789] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 877.693058] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/03/31 21:05:58 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000035abe1e80d903e0d717ac1889a45e581c9e14a5c8f95f5d2968ae8c767e9d18fd69a") mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x3000001, 0x831, 0xffffffffffffffff, 0x0) name_to_handle_at(r0, &(0x7f00000000c0)='./file0/file0\x00', &(0x7f0000002780)=ANY=[@ANYBLOB="08000000000096"], &(0x7f0000000080), 0x1400) 2018/03/31 21:05:58 executing program 3: r0 = fcntl$dupfd(0xffffffffffffff9c, 0x406, 0xffffffffffffff9c) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000000)=0x2) r1 = memfd_create(&(0x7f0000000080)='%\x00', 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000180)='net/fib_triestat\x00') sendfile(r1, r2, &(0x7f0000000040), 0x10ed5b) 2018/03/31 21:05:58 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) fcntl$getownex(r0, 0x10, &(0x7f0000000000)={0x0, 0x0}) syz_open_procfs(r1, &(0x7f0000000040)='net/udplite6\x00') [ 877.700571] cgroup: cgroup_addrm_files: failed to add cpu.stat, err=-12 2018/03/31 21:05:58 executing program 7: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000008000)='/dev/cuse\x00', 0x0, 0x0) readv(r0, &(0x7f0000f4e000), 0x0) r1 = gettid() timer_create(0x0, &(0x7f0000ec5000)={0x0, 0x12}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x1c9c380}}, &(0x7f0000040000)) perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_setup(0x9, &(0x7f0000128000)=0x0) io_submit(r2, 0x1, &(0x7f00007a7fd8)=[&(0x7f000026c000)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f000000bfb6)}]) openat$vnet(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vhost-net\x00', 0x2, 0x0) tkill(r1, 0x1000000000013) 2018/03/31 21:05:58 executing program 1 (fault-call:6 fault-nth:26): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:58 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) r1 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x141400) recvmsg(r1, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000001800)=[{&(0x7f0000000240)=""/59, 0x3b}, {&(0x7f0000000280)=""/62, 0x3e}, {&(0x7f00000002c0)=""/8, 0x8}, {&(0x7f0000000480)=""/89, 0x59}, {&(0x7f0000000500)=""/222, 0xde}, {&(0x7f0000000600)=""/122, 0x7a}, {&(0x7f0000000680)=""/244, 0xf4}, {&(0x7f0000000780)=""/102, 0x66}, {&(0x7f0000000800)=""/4096, 0x1000}], 0x9, &(0x7f0000001900)=""/86, 0x56, 0x7}, 0x40000040) memfd_create(&(0x7f00000000c0)='/dev/snd/pcmC#D#p\x00', 0x1) syz_open_dev$mice(&(0x7f0000000100)='/dev/input/mice\x00', 0x0, 0x88000) openat$dsp(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dsp\x00', 0x0, 0x0) r2 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200)='/dev/rtc\x00', 0x400000, 0x0) ioctl$KDGKBMODE(r2, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:05:58 executing program 2: r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a45320, &(0x7f0000000280)={{0x80}, "706f7274310000004000000000000000000000d600fffffff0000000000000000000eda4000000000000000700", 0xbfffffffffffffff, 0x2}) readv(r0, &(0x7f0000459000)=[{&(0x7f0000fd5fc3)=""/61, 0x3d}], 0x1) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000580)={0x101, @time={0x77359400}, 0xfffffffffffffffc, {}, 0x7fffffff, 0x2, 0xc574}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r0, 0xc0bc5310, &(0x7f0000000100)) socket$nl_xfrm(0x10, 0x3, 0x6) ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r0, 0xc0305302, &(0x7f0000000340)={0x100, 0x8, 0xb4f, 0xfb, 0x4d1}) r1 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x100000001, 0x0) accept4$unix(r1, &(0x7f00000004c0)=@abs, &(0x7f0000000040)=0x6e, 0x80000) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(r0, 0xc08c5335, &(0x7f0000000380)={0xb89, 0x1f, 0x79, 'queue1\x00', 0x9}) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x0, 0x0) futex(&(0x7f00000000c0), 0x9, 0x0, &(0x7f00000001c0)={0x77359400}, &(0x7f0000000200), 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r2, 0x4040534e, &(0x7f0000000440)={0xc, @tick=0x7, 0x7, {0x7ff, 0x6}, 0x1c82, 0x0, 0x3ff}) r3 = getpgid(0x0) perf_event_open(&(0x7f00000005c0)={0x7, 0x70, 0x1, 0x2, 0xa3, 0x8001, 0x0, 0x6, 0x400, 0x8, 0x4, 0x9, 0xffffffffffffffff, 0x0, 0x6178, 0x101, 0x100000001, 0x9, 0x3, 0x474, 0x81, 0x401, 0x2, 0x6, 0x4, 0x0, 0x10001, 0x3, 0x1, 0xfffffffffffffff9, 0x9, 0x5, 0x5, 0x20, 0x2, 0x188, 0x8, 0x0, 0x0, 0x1403a1f2, 0x7, @perf_config_ext={0x40, 0x10001}, 0x1000, 0x0, 0x2, 0x6, 0x3, 0x2, 0x8}, r3, 0x3, r2, 0xb) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000540)='/dev/sequencer2\x00', 0x321200, 0x0) ioctl$sock_inet_SIOCSIFADDR(r2, 0x8916, &(0x7f0000000240)={'tunl0\x00', {0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}) gettid() [ 877.834196] FAULT_INJECTION: forcing a failure. [ 877.834196] name failslab, interval 1, probability 0, space 0, times 0 [ 877.845518] CPU: 0 PID: 22246 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 877.852899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 877.862259] Call Trace: [ 877.864947] dump_stack+0x194/0x24d [ 877.868599] ? arch_local_irq_restore+0x53/0x53 [ 877.873296] should_fail+0x8c0/0xa40 [ 877.877027] ? kstrdup+0x39/0x70 2018/03/31 21:05:58 executing program 3: perf_event_open(&(0x7f000001d000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) creat(&(0x7f000016cff8)='./file0/file0\x00', 0x0) mknod(&(0x7f0000000100)='./file1\x00', 0xfffffffffffffffe, 0x10) mount(&(0x7f0000bbcff2)='./file0/file0\x00', &(0x7f0000917000)='./file0\x00', &(0x7f0000000340)="7866f300300a3106c9d361aeec1b00", 0x1000, 0x0) mount(&(0x7f0000000080)='./file0/file0\x00', &(0x7f0000000040)='./file1\x00', &(0x7f0000de8ff3)='an\x00\x00\x00\x00\x00\x00\x00\afs\x00', 0x802016, &(0x7f0000000000)) [ 877.880414] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 877.885697] ? cgroup_mkdir+0x553/0xfc0 [ 877.889680] ? vfs_mkdir+0x390/0x600 [ 877.893406] ? SyS_mkdirat+0x22b/0x2b0 [ 877.897300] ? do_fast_syscall_32+0x3ec/0xf9f [ 877.901811] ? find_held_lock+0x35/0x1d0 [ 877.905893] ? find_held_lock+0x35/0x1d0 [ 877.909972] ? __lock_is_held+0xb6/0x140 [ 877.914070] ? check_same_owner+0x320/0x320 [ 877.918409] ? rcu_note_context_switch+0x710/0x710 [ 877.923350] ? rcu_read_lock_sched_held+0x108/0x120 [ 877.928386] should_failslab+0xec/0x120 [ 877.932370] kmem_cache_alloc+0x47/0x760 [ 877.936442] ? memcpy+0x45/0x50 [ 877.939731] ? kstrdup+0x59/0x70 [ 877.943114] __kernfs_new_node+0xe2/0x570 [ 877.947273] ? kernfs_dop_revalidate+0x380/0x380 [ 877.952043] ? kasan_check_read+0x11/0x20 [ 877.956185] ? read_word_at_a_time+0x12/0x20 [ 877.960586] ? strscpy+0x186/0x500 [ 877.964151] kernfs_new_node+0x80/0xe0 [ 877.968050] __kernfs_create_file+0x4b/0x320 [ 877.972474] cgroup_addrm_files+0x3c5/0xa70 [ 877.976806] ? cgroup_file_write+0x710/0x710 [ 877.981234] ? getrawmonotonic64+0x460/0x460 [ 877.985662] ? kernfs_active+0x92/0x160 [ 877.989638] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 877.994560] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 877.999058] ? cgroup_file_name+0x1d0/0x1d0 [ 878.003396] css_populate_dir+0x340/0x420 [ 878.007543] cgroup_mkdir+0x553/0xfc0 [ 878.011326] ? __lock_is_held+0xb6/0x140 [ 878.015383] ? cgroup_destroy_locked+0x750/0x750 [ 878.020133] ? rcu_read_lock_sched_held+0x108/0x120 [ 878.025138] ? kmem_cache_free+0x258/0x2a0 [ 878.029360] ? set_nlink+0xc1/0x160 [ 878.032975] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 878.037901] ? generic_permission+0x105/0x3c0 [ 878.042394] ? cgroup_destroy_locked+0x750/0x750 [ 878.047145] kernfs_iop_mkdir+0x153/0x1e0 [ 878.051289] vfs_mkdir+0x390/0x600 [ 878.054818] SyS_mkdirat+0x22b/0x2b0 [ 878.058528] ? SyS_mknod+0x480/0x480 [ 878.062238] ? do_fast_syscall_32+0x156/0xf9f [ 878.066729] ? SyS_mknod+0x480/0x480 [ 878.070436] do_fast_syscall_32+0x3ec/0xf9f [ 878.074757] ? do_int80_syscall_32+0x9c0/0x9c0 [ 878.079333] ? _raw_spin_unlock_irq+0x27/0x70 [ 878.083845] ? finish_task_switch+0x1c1/0x7e0 [ 878.088354] ? syscall_return_slowpath+0x2ac/0x550 [ 878.093273] ? prepare_exit_to_usermode+0x350/0x350 [ 878.098283] ? sysret32_from_system_call+0x5/0x3c [ 878.103134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 878.107995] entry_SYSENTER_compat+0x70/0x7f [ 878.112397] RIP: 0023:0xf7faec99 [ 878.115743] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 878.123442] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 878.130711] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 878.137972] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 878.145237] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 878.152507] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 878.159945] cgroup: cgroup_addrm_files: failed to add cpu.stat, err=-12 2018/03/31 21:05:59 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r0, 0x10e, 0x8, &(0x7f0000000000)=0xfffffffffffffffb, 0x4) 2018/03/31 21:05:59 executing program 1 (fault-call:6 fault-nth:27): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:59 executing program 3: r0 = socket$inet6(0xa, 0x80001, 0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000000)={0x0, @in={{0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x1f, 0x12, 0x0, 0xe, 0x3f, 0x5, 0x3, 0x2, 0x2, 0x6d0, 0x7, 0x6, 0x1, 0x9, 0x40]}, &(0x7f0000000100)=0x100) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r0, 0x84, 0x78, &(0x7f0000000140)=r1, 0x4) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000180)=ANY=[@ANYBLOB, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f00000001c0)=0x24) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000fca000)={0xfffffffffffffffd, {{0xa, 0x4e20, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}}, 0xfffffffffffffd9e) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000001540)={r3}, 0x8) r4 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000001580)='/dev/vga_arbiter\x00', 0x400, 0x0) syz_open_dev$adsp(&(0x7f0000006200)='/dev/adsp#\x00', 0x2, 0x0) ioctl$KDDELIO(r4, 0x4b35, 0x200) recvmsg(r0, &(0x7f0000001480)={&(0x7f0000000200)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @remote}}}, 0x80, &(0x7f0000000440)=[{&(0x7f0000000280)=""/163, 0xa3}, {&(0x7f0000000340)=""/195, 0xc3}], 0x2, &(0x7f0000000480)=""/4096, 0x1000, 0x100000000}, 0x2100) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r5, 0x84, 0x73, &(0x7f00000014c0)={r2, 0x1000, 0x10, 0x8, 0x2}, &(0x7f0000001500)=0x18) mbind(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x3, &(0x7f0000006240)=0x20, 0x3a80000000000, 0x5) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r4, 0x84, 0x1a, &(0x7f0000001bc0)=ANY=[@ANYRES32=r6, @ANYBLOB="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"], &(0x7f0000001cc0)=0xfe) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r5, 0x84, 0x7c, &(0x7f0000004600)={r1, 0x0, 0x1}, &(0x7f0000004640)=0x8) sendmmsg$inet_sctp(r5, &(0x7f0000006100)=[{&(0x7f00000015c0)=@in6={0xa, 0x4e22, 0x5, @mcast1={0xff, 0x1, [], 0x1}, 0xfc}, 0x1c, &(0x7f00000016c0)=[{&(0x7f0000001600)="c5d186596bdf3965ff29c4bfca036c856d8925b172ee08cd66d0a2b144fd", 0x1e}, {&(0x7f0000001640)="14652b4bcaee356612295b6ec34b1529b22d62322e173fdad190c53cdcfcc0e56d294564f413733233a80be5504422cba1fb0c47cd885c451faf29dac66b3c8b1d", 0x41}], 0x2, &(0x7f0000001700)=[@sndinfo={0x1c, 0x84, 0x2, {0x8, 0x1, 0x0, 0x4, r6}}, @sndinfo={0x1c, 0x84, 0x2, {0x3f, 0x8000, 0x5, 0x1, r6}}], 0x58}, {&(0x7f0000001780)=@in={0x2, 0x4e21, @rand_addr=0x20}, 0x10, &(0x7f0000001b80)=[{&(0x7f00000017c0)="cd09c442fed218961fcc4981bc900b9f20ebc5b344736ca926a9bb8f8181629b7e576b7029a41ecf38f47cb3c7f96457a963e6c855511c7af3133ee89c67cf3b8c5cbfe435dbd27c8bd05798ce28f961a9d63603468c3d1f43993a62eeac0679541262b0c0c97a9e046a22a7c911bd522b32a12c350b47aec6c2386d59b1253925a7f19363b4b7da06db3db8bf11f8b90f2805b0dbcd780a4909b3", 0x9b}, {&(0x7f0000001880)="bb8e57f3139a92a37aa95374", 0xc}, {&(0x7f00000018c0)="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", 0xfb}, {&(0x7f00000019c0)="2f1c98bb4876540106245b59b36cdd2e39e11fc0db0993195117e7ebe14f6b1c5856fe59aaf104e5903c154f081a219acb0926e3927cad1c08a5a1b387e82d9e31903f78f6657508040e7fc35bd3f1a1e8720ee85c837a3fd8ba3edbb1e628bbb280a68c0dd3093e37c7d29fa4fb3fea6f6e5c405c80f60236052a73177aed9943e6bbae912a9932e8aa91a92e5a36bf6de2500ff469e969fff943183c8eda0c6032a55b47f15434d49c3015cf321619fe637d2ef406def298d629498d1fad2e66", 0xc1}, {&(0x7f0000001ac0)="9bea783da40c49135b5ad71a07a3737e6bddac5b22f3ab2af311602f50f90a70f90d1a00672ec437ed7049838e01a2d41ad4f56230caf6de20adda5cb5c59a61407c225192ca4d94ebf5877aaf5b6a7e86674ef0a91468d41b232e0ae1985b89e8d2995bbe4bf2431cf629fd32df90c3570acf2a2a8c81cf7904bff5287509c1e5f48a35", 0x84}], 0x5, &(0x7f0000001d00)=[@sndinfo={0x1c, 0x84, 0x2, {0x2000000000000000, 0x208, 0x7f, 0x81, r1}}, @init={0x14, 0x84, 0x0, {0x10001, 0x7fff, 0x0, 0x3}}, @init={0x14, 0x84, 0x0, {0x5aa6, 0x3, 0x8, 0x9e7b}}, @sndrcv={0x2c, 0x84, 0x1, {0x4, 0x5, 0xc, 0x4, 0x7f, 0x6, 0x1000, 0x6, r1}}, @sndinfo={0x1c, 0x84, 0x2, {0x7, 0x4, 0x9, 0x7, r6}}, @sndrcv={0x2c, 0x84, 0x1, {0x8001, 0x8, 0x8000, 0x20, 0xfffffffffffffe01, 0x100, 0x6, 0x3, r1}}, @sndrcv={0x2c, 0x84, 0x1, {0xc43, 0x7f, 0x2, 0x20000000, 0x1ff, 0xffffffffffffff10, 0x94d8000000000000, 0x1, r1}}, @init={0x14, 0x84, 0x0, {0x101, 0x1f, 0x6}}, @sndrcv={0x2c, 0x84, 0x1, {0x0, 0x9, 0xa, 0x43, 0x8, 0x9, 0x95, 0xcb5c, r6}}, @sndrcv={0x2c, 0x84, 0x1, {0x7, 0xfffffffffffffffb, 0x4, 0x1, 0x8, 0xfffffffffffffffe, 0xffffffff, 0x38, r7}}], 0x1b8, 0x4010}, {&(0x7f0000001ec0)=@in6={0xa, 0x4e23, 0x3, @dev={0xfe, 0x80, [], 0xa}, 0xfffffffffffffffd}, 0x1c, &(0x7f00000030c0)=[{&(0x7f0000001f00)="954d5b01b8d3b7627df886de0631c803ace452f4043863bfbf8f220937210cefd0a894786a9ac96fca769404f730166e31264766a4adbc4dabd99555835b15fb67a66807a36291962d81bbf03e904c67c6a55877d08395f611ac6371f9c662e2eaa48cc3aea0f98f783e2d7a8d18a7c764922044e371a63b22ee5317b959709c8157060e48b3b020b443c948d7433f6ed1571300d4c9", 0x96}, {&(0x7f0000001fc0)="f51d0ae9cebd26b69b1fc62005db4ffd632bcee13243a7863e6253d90e141be2957a00790f58b6329a972b103d07562da3534b25e8389478445c211407b05af2336adb206ea37d914cf2fc01b1f336ab5af8260334", 0x55}, {&(0x7f0000002040)="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0x1000}, {&(0x7f0000003040)="02732217130210cf522a92c1a7c5deeda1af53a075615c6678b7d2365db94d5c3b9f45d3c15671450efd391827edf01f82db6fddbdd8c215dd56447c9b672b3473ecdeec0bc115f5c7f7dc0e98b86850dbb05a16", 0x54}], 0x4, &(0x7f0000003100)=[@init={0x14, 0x84, 0x0, {0xb7d, 0x0, 0x1f, 0x5}}, @sndinfo={0x1c, 0x84, 0x2, {0x2, 0x206, 0x1, 0x7, r1}}, @init={0x14, 0x84, 0x0, {0x100000000000, 0x200, 0x6, 0x4}}, @init={0x14, 0x84, 0x0, {0x0, 0x8, 0xfffffffffffffffd, 0x3fc}}, @sndrcv={0x2c, 0x84, 0x1, {0x0, 0x80, 0x1, 0x7, 0x1, 0x1, 0x1000, 0x0, r1}}, @sndrcv={0x2c, 0x84, 0x1, {0xfffffffffffffff9, 0xffffffffffffff18, 0x2, 0x0, 0x32e, 0x3f, 0x2, 0x1d, r6}}, @sndinfo={0x1c, 0x84, 0x2, {0x10001, 0x202, 0x6, 0x2, r6}}, @init={0x14, 0x84, 0x0, {0x8, 0x8, 0x2, 0x81}}], 0x160, 0x80}, {&(0x7f0000003280)=@in={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10, &(0x7f00000045c0)=[{&(0x7f00000032c0)="282b23263bfbfa4295ca0f7b5cf2a44a26571e3163840cfafb48e313fe009f8059292136864c305117d67fe5f3763c4835e221afc2c431bc36b02e24a40c1fbecfbbfebbf6294d13c8c85711a0d766668466f812db2f3a070372ae3355d7f66110c8975d0ad381d307011acd183898a163de", 0x72}, {&(0x7f0000003340)="e433ae4b5f9d86f2b1262f67fc559cc01627f53dbe8cc80bca30c5b89839b25e14466fcf16e68a907c15e4678f2bd62fdf0407c8e4355fd3ff7184118cd64037d5ad9df9d859a29194b2537948f7678b35b20c9cdd522d816dbbf4c3bdfe98af0a8c0f93b1d9ce4a2b80277c7b5b31714ddd349dbe1f67c4d47e6d8626fb2aa018dfebbc1198ecfcaa604715bd1d91e043ca94bb7246a0549f398ac9c72a9f463e4ffd0b11e7f4a13d04b78338c80772d1d9e568607400b5495bbaecdc95", 0xbe}, {&(0x7f0000003400)="0a47a2a19626d4b9fd1a642c67b7bd918c809df4d2130773a140744af343a7dda802eb62088fc0341f388fcfb65f1752294715b2a9bc318a63448aa7c55e240d5b1c2aee6a1983afeb84a4af12ea5a8a9edc1660072989e2ce62b882756b62545ce64657aa937f", 0x67}, {&(0x7f0000003480)="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0x1000}, {&(0x7f0000004480)="33913732dbb30d99b11f79d42599d7912da341030725b1189378fb6e2ed1ce7b32c191a36d5e69aa93e299bc3551370e7a65fca7610addad3da8d5be40ad29cbe2756b29b7819a0027f345de", 0x4c}, {&(0x7f0000004500)="c12f6747cf1a5507db294d97ed2c8a26f50f168472caa773e4678669d8e055f1ba1f6af56b99c917e1e9306bb2fb7a7b9738348293621954260d9c79faeab492bba40e9629fc2f15797c569ea8b6c7b6418de657035cbbefeab9133ea2fb36774ffd0479c218b19334a8a4f048a5b9f0de", 0x71}, {&(0x7f0000004580)="4581e7029eaef0a0908d", 0xa}], 0x7, &(0x7f0000004680)=[@sndrcv={0x2c, 0x84, 0x1, {0x7, 0x9, 0x200, 0x2, 0x1, 0x5, 0x40, 0xe0, r8}}, @sndinfo={0x1c, 0x84, 0x2, {0x100, 0x0, 0x5, 0x3, r6}}, @sndrcv={0x2c, 0x84, 0x1, {0x5c04, 0x3, 0x4, 0x7, 0x3, 0x4, 0x1, 0x7ff, r6}}, @init={0x14, 0x84, 0x0, {0x8001, 0x9, 0x4540, 0x1}}, @sndinfo={0x1c, 0x84, 0x2, {0x101, 0x8208, 0x9, 0x7, r6}}, @init={0x14, 0x84, 0x0, {0x80, 0xfffffffffffffffe, 0x8, 0x7}}, @init={0x14, 0x84, 0x0, {0xff, 0x5a5e, 0x4, 0x9db7}}, @init={0x14, 0x84, 0x0, {0x1, 0x7, 0x660, 0x8}}], 0x160, 0x4010}, {&(0x7f0000004800)=@in6={0xa, 0x4e22, 0x400, @local={0xfe, 0x80, [], 0xaa}, 0x4d5}, 0x1c, &(0x7f0000004900)=[{&(0x7f0000004840)="2f718c736bc0c440ee351afebe6fcde63e95face484651aed664a278c3dddf02bf9c5c184349cef80600a4bc00581c65d6604b3e89a0224968df64c89c9302322ce21224f5fa2ede20c26b5415240e97ce69f83963cb65ff8ffb31fb9287d438a41a4e2792291924a42050aca1e13ab13d0defe66a2f06bac166048c5ff8c3923fb79eefc965e437e169b26c006b68cb5e1667f8522295e5be9fa30fab872b8d9c3bd3d212758380244698f59b1e80", 0xaf}], 0x1, &(0x7f0000004940)=[@sndinfo={0x1c, 0x84, 0x2, {0x5, 0x8200, 0x7ff, 0x7, r1}}, @sndrcv={0x2c, 0x84, 0x1, {0x400, 0x10001, 0x2, 0x0, 0x454, 0x8, 0x0, 0x6, r1}}, @sndinfo={0x1c, 0x84, 0x2, {0x101, 0x200, 0x80000000, 0x1, r6}}, @init={0x14, 0x84, 0x0, {0x1f, 0x2, 0x5, 0x4}}, @init={0x14, 0x84, 0x0, {0x80000000, 0x9, 0x1c, 0x5}}, @sndrcv={0x2c, 0x84, 0x1, {0x59bb, 0x5, 0x8, 0x9d02, 0x737, 0x200, 0x10001, 0x1f, r6}}], 0x108, 0x20040010}, {&(0x7f0000004a80)=@in={0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, &(0x7f0000005d00)=[{&(0x7f0000004ac0)="e8b6dcd68b32a27825efdbd37f507ff6d305cb4fc7f87d87710419d9b45f2d479e392a9f526e0675dd35f05902f74951f46fd96aad48071eedd32ca61b54aba95aca0a15290a51520bba761ac7113e92984b40a3be13a3121d9337be1ef9c25d8c498a0ed83b1085c55a639c63e376", 0x6f}, {&(0x7f0000004b40)="258b032e80da68cbc3fef4df5f6805017c0884ca7e5099e993f9961ddfb6efc20e4f7491e7cdb50db1f59412078ccdaf2ae069ed5240569de8bcf8454a4ff3e30ae7395696926043f6e6a45ac457306b30b247acde968a473ccd052027acd27ba9b401885078d2fb02e6e5e354ad411dd52a8b6fec93d475737b2706e4668583ab5e5f0629d6c2950f7a7980336722ee3f56c3e4e509fc74204a61fb6cd88c100bff44b5f0fa3f0b272107b5927574f101e3eb1132", 0xb5}, {&(0x7f0000004c00)="ac809be842ad9891120339ba9b846a99fcb26d9474501fdc7a0d937d8bfef4a90028846ab40a3a16d96085cb7c2d96b04acf4cb6d2650007f77c82220d717fa47e855e96d486f21480222e49ae7b4abc0df0e8ffd836b688ab38a6b04ac77675874c145e2f203a2b9ae432bda8007a8669fdda95e0702ca0df29bd391b40c147a648e1f2737bd0be1451219d72594a77c7915a", 0x93}, {&(0x7f0000004cc0)="3cce2b681a056e1f02ebe3ac3a3d41090b91464fad3aa18b", 0x18}, {&(0x7f0000004d00)="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", 0x1000}], 0x5, &(0x7f0000005d40)=[@init={0x14, 0x84, 0x0, {0x0, 0x8, 0x7fffffff, 0x200}}, @sndinfo={0x1c, 0x84, 0x2, {0x47, 0x8200, 0x2, 0xf75f, r1}}, @sndinfo={0x1c, 0x84, 0x2, {0x3, 0x6, 0x4, 0x0, r1}}, @sndinfo={0x1c, 0x84, 0x2, {0x1, 0x200, 0x4, 0x401, r6}}, @init={0x14, 0x84, 0x0, {0x81, 0xffffffff, 0x7, 0x9}}], 0xdc, 0x800}, {&(0x7f0000005e40)=@in={0x2, 0x4e21, @broadcast=0xffffffff}, 0x10, &(0x7f0000006080)=[{&(0x7f0000005e80)="5a8544fcee54ae15ced80b0cbc4db4451ee5e6987a7f4db3e1dfe7706ca1a07e97d034da1ecc1a58968f961b19f07d05a150183a7f6adf0e84faf36cf3ad1945cf", 0x41}, {&(0x7f0000005f00)="4e89f284c612e2e811a170e153b3825a9c79a23aeda79208c8501ed2b5fe8164c65867703c01f96ac72fd8881554fb5d2bbb6281179741acf0c2433184e3d75b32882410e8905acd1b0bc2ed4fab01737c4fb1578df7ce2291bee85a7366f5c113960b7a3561e32559c22a40b652b4f2a425ac847d6d2fac", 0x78}, {&(0x7f0000005f80)="033bb3ee0cafed7643e287326257db2037a7ec49d833547c9a99617a0b69c669e2d400277906df910583396953f277ab7355a309295dcda79012e0f45caa886e4742a5f3c2fcef64f755842c6d0452297be82029909ae8a8b3ac09c9d3f7b6e4032fb09bd3ea5ddfb941fa1f863533e8faabf8138d7bf7216d7abe33106f8f6fc5b589f563e828eab36aaee79402ef460359ea6281b5fcc2b9dbed9f8a365ec7a763c9708ec6139e9dd3b39a3b3b3412827e874d151d12d2191e1ded50ef9d3b3ac22b67ff61d1c5fb95202125e157d89c2f0d84c5d2cd89a8aa880e851d06d63d72915567f90d", 0xe7}], 0x3, &(0x7f00000060c0)=[@sndrcv={0x2c, 0x84, 0x1, {0xca, 0x7fff, 0x8001, 0xa3, 0x401, 0x9601, 0x2, 0x3, r6}}], 0x2c, 0x800}], 0x7, 0x40) 2018/03/31 21:05:59 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000025c000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x5c831, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x1, 0x80600) recvfrom$ax25(r0, &(0x7f0000000080)=""/86, 0x56, 0x2000, &(0x7f0000000100)={0x3, {"4e753bc834b15d"}, 0x5}, 0x10) madvise(&(0x7f0000b6d000/0x4000)=nil, 0x4000, 0x10014) utimes(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)={{0x77359400}}) 2018/03/31 21:05:59 executing program 7: perf_event_open(&(0x7f0000d2af88)={0x2, 0x78, 0xe2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$describe(0x6, r0, &(0x7f0000000140)=""/104, 0x68) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000aeeff8)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_int(r1, 0x1, 0x10, &(0x7f00000e6ffc)=0x2000000000007, 0x9c88be9f5a8c7c99) bpf$BPF_MAP_GET_NEXT_ID(0xc, &(0x7f0000000080)=0x20, 0x4) write(r1, &(0x7f0000bdf000), 0x0) r3 = socket$bt_rfcomm(0x1f, 0x0, 0x3) r4 = syz_open_dev$amidi(&(0x7f0000000280)='/dev/amidi#\x00', 0x2, 0x2) readv(r3, &(0x7f0000000080), 0x22f) bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x7, 0x0, &(0x7f0000000540)=ANY=[], &(0x7f0000000480)='syzkaller\x00', 0x0, 0x93, &(0x7f00000005c0)=""/147, 0x41000}, 0x48) close(r4) ioctl$DRM_IOCTL_DMA(r4, 0xc0406429, &(0x7f0000000340)={0x0, 0x5, &(0x7f0000000140)=[0x1, 0x101, 0xfff, 0x814e, 0x2], &(0x7f0000000180)=[0x5, 0x80000000, 0x3ff], 0x10, 0x7, 0x7fff, &(0x7f00000001c0)=[0xffff, 0x4, 0x4, 0xffffffffffffffff, 0x5, 0x10000, 0x0], &(0x7f0000000200)=[0x1, 0x2, 0x3, 0x0, 0xfffffffffffffff8, 0xfffffffffffffffa]}) bpf$BPF_PROG_QUERY(0x10, &(0x7f00000002c0)={r4, 0x1, 0x1, 0x2, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0], 0x4}, 0x20) getsockopt$inet_sctp6_SCTP_GET_ASSOC_NUMBER(r4, 0x84, 0x1c, &(0x7f0000000000), &(0x7f0000000080)=0x4) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x101082, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, &(0x7f00000006c0)={0x0, @in6={{0xa, 0x4e24, 0xfffffffffffffffa, @mcast1={0xff, 0x1, [], 0x1}, 0x1}}, 0x5, 0x9ed}, &(0x7f0000000300)=0x90) socket$kcm(0x29, 0x5, 0x0) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000440)={r5, 0x10000, 0x0, 0x4, 0xe8, 0x6}, &(0x7f0000000540)=0x14) r6 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000380)='/dev/sequencer\x00', 0x0, 0x0) getsockname$netlink(r6, &(0x7f0000000100), &(0x7f0000000240)=0xc) close(r6) io_setup(0xcb, &(0x7f0000000680)) ioctl$EVIOCSKEYCODE(r2, 0x40084504, &(0x7f00000003c0)=[0x7, 0xfffffffffffffffc]) 2018/03/31 21:05:59 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc\x00', 0x424000, 0x0) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f00000000c0)=0x100, 0x4) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:05:59 executing program 2: r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f0000000080)='ns\x00') exit(0x0) getdents(r1, &(0x7f00000000c0)=""/197, 0xc5) 2018/03/31 21:05:59 executing program 5: getgroups(0x1, &(0x7f0000000000)=[0x0]) setfsgid(r0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000040)=@assoc_value={r2}, &(0x7f00000001c0)=0x8) [ 878.927603] FAULT_INJECTION: forcing a failure. [ 878.927603] name failslab, interval 1, probability 0, space 0, times 0 [ 878.938902] CPU: 1 PID: 22277 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 878.946264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 878.955612] Call Trace: [ 878.958210] dump_stack+0x194/0x24d [ 878.961844] ? arch_local_irq_restore+0x53/0x53 [ 878.966527] should_fail+0x8c0/0xa40 [ 878.970242] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 878.975088] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 878.980194] ? _raw_spin_unlock+0x22/0x30 [ 878.984346] ? kernfs_dop_revalidate+0x380/0x380 [ 878.989106] ? find_held_lock+0x35/0x1d0 [ 878.993174] ? __lock_is_held+0xb6/0x140 [ 878.997245] ? check_same_owner+0x320/0x320 [ 879.001571] ? __kernfs_create_file+0x27f/0x320 [ 879.006245] ? rcu_note_context_switch+0x710/0x710 [ 879.011183] should_failslab+0xec/0x120 [ 879.015157] kmem_cache_alloc+0x47/0x760 [ 879.019223] ? __lock_is_held+0xb6/0x140 [ 879.023290] sched_create_group+0x22/0x70 [ 879.027454] cpu_cgroup_css_alloc+0xe/0x30 [ 879.031699] cgroup_apply_control_enable+0x44d/0xbc0 [ 879.036814] ? cgroup_propagate_control+0x570/0x570 [ 879.041838] ? css_populate_dir+0x289/0x420 [ 879.046162] cgroup_mkdir+0x56f/0xfc0 [ 879.049960] ? __lock_is_held+0xb6/0x140 [ 879.054026] ? cgroup_destroy_locked+0x750/0x750 [ 879.058783] ? rcu_read_lock_sched_held+0x108/0x120 [ 879.063790] ? kmem_cache_free+0x258/0x2a0 [ 879.068043] ? set_nlink+0xc1/0x160 [ 879.071659] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 879.076574] ? generic_permission+0x105/0x3c0 [ 879.081059] ? cgroup_destroy_locked+0x750/0x750 [ 879.085820] kernfs_iop_mkdir+0x153/0x1e0 [ 879.090214] vfs_mkdir+0x390/0x600 [ 879.093742] SyS_mkdirat+0x22b/0x2b0 [ 879.097545] ? SyS_mknod+0x480/0x480 [ 879.101243] ? do_fast_syscall_32+0x156/0xf9f [ 879.105727] ? SyS_mknod+0x480/0x480 [ 879.109421] do_fast_syscall_32+0x3ec/0xf9f [ 879.113730] ? do_int80_syscall_32+0x9c0/0x9c0 [ 879.118292] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 879.123823] ? syscall_return_slowpath+0x2ac/0x550 [ 879.128737] ? sysret32_from_system_call+0x5/0x3c [ 879.133565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 879.138393] entry_SYSENTER_compat+0x70/0x7f [ 879.142790] RIP: 0023:0xf7faec99 [ 879.146136] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 879.153825] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 879.161091] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 879.168342] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 2018/03/31 21:05:59 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$TIOCLINUX6(0xffffffffffffffff, 0x541c, &(0x7f00000007c0)={0x6}) pipe2(&(0x7f0000002280), 0x0) ioctl$DRM_IOCTL_WAIT_VBLANK(0xffffffffffffffff, 0xc018643a, &(0x7f0000000500)={0x0, 0x363}) sendmsg$IPVS_CMD_GET_INFO(0xffffffffffffffff, &(0x7f0000000700)={&(0x7f0000000540)={0x10}, 0xc, &(0x7f00000006c0)={&(0x7f0000002640)=ANY=[]}, 0x1}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00005befdc)) r1 = syz_open_pts(r0, 0x20201) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000040)=0x5) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx\x00', 0xc00, 0x0) 2018/03/31 21:05:59 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000080)='/dev/vcsa#\x00', 0x80, 0x400000) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000000c0)) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000000)={0x26, 'rng\x00', 0x0, 0x0, 'ansi_cprng\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000003a00)="d3340f04c693f8d75df97cf3cedcc0aad977b2150435c699e663872a93953b48", 0x20) 2018/03/31 21:05:59 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") ioctl$sock_ifreq(r0, 0x89b7, &(0x7f0000000000)={'ip6tnl0\x00', @ifru_addrs=@can={0x1d, 0x0}}) ioctl$sock_inet6_SIOCDELRT(r0, 0x890c, &(0x7f0000000040)={@local={0xfe, 0x80, [], 0xaa}, @mcast2={0xff, 0x2, [], 0x1}, @dev={0xfe, 0x80, [], 0x18}, 0x4, 0x5, 0x6, 0x100, 0x4147, 0x40008, r1}) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0x8a7) [ 879.175591] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 879.182842] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/03/31 21:05:59 executing program 5: r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000c34000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000b4e000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) r1 = getpgrp(0x0) getpriority(0x1, r1) r2 = gettid() process_vm_writev(r2, &(0x7f0000000100)=[{&(0x7f000034afa4)=""/1, 0xac}], 0x1, &(0x7f0000000500)=[{&(0x7f0000000140)=""/160, 0xffffffffffffff86}, {&(0x7f0000000280)=""/242}, {&(0x7f0000000380)=""/24}, {&(0x7f00000003c0)=""/205}, {&(0x7f00000004c0)=""/18}], 0x200000000000009f, 0x0) mmap(&(0x7f0000000000/0xd25000)=nil, 0xd25000, 0x1000001, 0x32, 0xffffffffffffffff, 0x0) r3 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x9, 0x200000) ioctl$SNDRV_CTL_IOCTL_CARD_INFO(r3, 0x81785501, &(0x7f0000000040)=""/180) close(r0) eventfd2(0x4, 0x1) 2018/03/31 21:05:59 executing program 1 (fault-call:6 fault-nth:28): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:05:59 executing program 7: capset(&(0x7f00001e8ff8)={0x19980330}, &(0x7f00003fd000)) socketpair$inet(0x2, 0x800, 0x8, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r0, 0x6, 0x21, &(0x7f0000000040)="e2c18c51d10c8669014afd63947f1c03", 0x10) r1 = getpid() sched_setparam(r1, &(0x7f0000000080)) getsockopt$IPT_SO_GET_REVISION_MATCH(r0, 0x0, 0x42, &(0x7f00000000c0)={'ipvs\x00'}, &(0x7f0000000100)=0x1e) r2 = syz_open_dev$mice(&(0x7f0000000140)='/dev/input/mice\x00', 0x0, 0x400c0) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r2, 0x4058534c, &(0x7f0000000180)={0x5, 0x100000001, 0x2, 0x4, 0x2, 0x9}) [ 879.361870] FAULT_INJECTION: forcing a failure. [ 879.361870] name failslab, interval 1, probability 0, space 0, times 0 [ 879.373215] CPU: 1 PID: 22312 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 879.380573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 879.389921] Call Trace: [ 879.392496] dump_stack+0x194/0x24d [ 879.396109] ? arch_local_irq_restore+0x53/0x53 [ 879.400775] should_fail+0x8c0/0xa40 [ 879.404471] ? __save_stack_trace+0x7e/0xd0 [ 879.408774] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 879.413870] ? save_stack+0xa3/0xd0 [ 879.417480] ? save_stack+0x43/0xd0 [ 879.421094] ? find_held_lock+0x35/0x1d0 [ 879.425156] ? __lock_is_held+0xb6/0x140 [ 879.429209] ? check_same_owner+0x320/0x320 [ 879.433514] ? rcu_note_context_switch+0x710/0x710 [ 879.438436] should_failslab+0xec/0x120 [ 879.442391] __kmalloc+0x63/0x760 [ 879.445832] ? sched_create_group+0x22/0x70 [ 879.450135] ? kzalloc+0xf/0x20 [ 879.453408] kzalloc+0xf/0x20 [ 879.456500] alloc_fair_sched_group+0x5e/0x530 [ 879.461065] ? __lock_is_held+0xb6/0x140 [ 879.465113] sched_create_group+0x35/0x70 [ 879.469242] cpu_cgroup_css_alloc+0xe/0x30 [ 879.473463] cgroup_apply_control_enable+0x44d/0xbc0 [ 879.478557] ? cgroup_propagate_control+0x570/0x570 [ 879.483561] ? css_populate_dir+0x289/0x420 [ 879.487867] cgroup_mkdir+0x56f/0xfc0 [ 879.491655] ? __lock_is_held+0xb6/0x140 [ 879.495733] ? cgroup_destroy_locked+0x750/0x750 [ 879.500469] ? rcu_read_lock_sched_held+0x108/0x120 [ 879.505467] ? kmem_cache_free+0x258/0x2a0 [ 879.509696] ? set_nlink+0xc1/0x160 [ 879.513307] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 879.518217] ? generic_permission+0x105/0x3c0 [ 879.522697] ? cgroup_destroy_locked+0x750/0x750 [ 879.527439] kernfs_iop_mkdir+0x153/0x1e0 [ 879.531571] vfs_mkdir+0x390/0x600 [ 879.535097] SyS_mkdirat+0x22b/0x2b0 [ 879.538795] ? SyS_mknod+0x480/0x480 [ 879.542494] ? do_fast_syscall_32+0x156/0xf9f [ 879.546971] ? SyS_mknod+0x480/0x480 [ 879.550666] do_fast_syscall_32+0x3ec/0xf9f [ 879.555159] ? do_int80_syscall_32+0x9c0/0x9c0 [ 879.559732] ? _raw_spin_unlock_irq+0x27/0x70 [ 879.564210] ? finish_task_switch+0x1c1/0x7e0 [ 879.568704] ? syscall_return_slowpath+0x2ac/0x550 [ 879.573615] ? prepare_exit_to_usermode+0x350/0x350 [ 879.578612] ? sysret32_from_system_call+0x5/0x3c [ 879.583457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 879.588287] entry_SYSENTER_compat+0x70/0x7f [ 879.592675] RIP: 0023:0xf7faec99 [ 879.596021] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 879.603717] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 879.610966] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 879.618216] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 879.625482] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 879.632733] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/03/31 21:06:00 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") sendmsg$rds(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x2, 0x4e24, @rand_addr=0x2}, 0x10, &(0x7f00000000c0)=[{&(0x7f0000000040)=""/112, 0x70}], 0x1, 0x0, 0x0, 0x4000000}, 0x20004004) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:06:00 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x70, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ppp\x00', 0x0, 0x0) sendto$ipx(r1, &(0x7f0000000140)="9da3e256491007188702eeab6dabaac49e557498aca658783a4147a1c40296facac6481459deb7334fe2080a1417d91a6f10ca077747693e93ca64d666f7a59a1f69f1b3e84333e96241c1086b48df53779ec3f3175ec794c152f5a8a445a5d8f4806e5c7509d8fe2f", 0x69, 0x40000, &(0x7f0000000200)={0x4, 0x7fff, 0x5e48, "5cb6df319b48", 0x5}, 0x10) openat$mixer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/mixer\x00', 0x20100, 0x0) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000040)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:06:00 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000080)='/dev/vcsa#\x00', 0x80, 0x400000) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f00000000c0)) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000000)={0x26, 'rng\x00', 0x0, 0x0, 'ansi_cprng\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000003a00)="d3340f04c693f8d75df97cf3cedcc0aad977b2150435c699e663872a93953b48", 0x20) 2018/03/31 21:06:00 executing program 3: r0 = memfd_create(&(0x7f0000000080)='\x00', 0x2) connect$netlink(r0, &(0x7f0000000100)=@proc={0x10, 0x0, 0x25dfdbfc, 0x2400020}, 0xc) r1 = socket$inet(0x2, 0x3, 0x7) perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe3, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000180)={0x0, @loopback=0x7f000001, @broadcast=0xffffffff}, 0xc) mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x1000000, 0xa1810, r1, 0x0) ioctl$VHOST_VSOCK_SET_RUNNING(0xffffffffffffffff, 0x4004af61, &(0x7f00000000c0)) getsockopt$IP_VS_SO_GET_INFO(r1, 0x0, 0x481, &(0x7f0000000000), &(0x7f0000000040)=0xc) 2018/03/31 21:06:00 executing program 5: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000223fd4)=[@in={0x2, 0x4e20, @loopback=0x7f000001}], 0x10) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x1, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000662000), 0x4) mmap(&(0x7f0000aba000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)={r0}) setsockopt$IP_VS_SO_SET_STOPDAEMON(r1, 0x0, 0x48c, &(0x7f0000000040)={0x1, 'teql0\x00', 0x2}, 0x18) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000aca000)={0x0, 0x10, "8252cc7051f5e05e71ee63b76f6c3c92"}, &(0x7f0000abaffc)=0x18) 2018/03/31 21:06:00 executing program 1 (fault-call:6 fault-nth:29): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:00 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000080)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x301, 0x2000000000007) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x1, 0x0) setsockopt$inet6_int(r1, 0x29, 0x4a, &(0x7f0000000040)=0x5, 0x4) 2018/03/31 21:06:00 executing program 7: r0 = perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) setns(0xffffffffffffffff, 0x40000000) fcntl$setstatus(r0, 0x4, 0x0) write$rdma_cm(r1, &(0x7f00000023c0)=@create_id={0x0, 0x18, 0xfa00, {0x2, &(0x7f0000002380)}}, 0x20) write$rdma_cm(r1, &(0x7f0000003200)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000031c0)={0xffffffff}, 0x2}}, 0x20) write$rdma_cm(r1, &(0x7f0000002400)=@notify={0xf, 0x8, 0xfa00, {r2, 0x1d}}, 0x10) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x200, 0x0) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f0000000080)={0x3ff}, 0x4) write$rdma_cm(0xffffffffffffffff, &(0x7f0000000580)=ANY=[], 0x0) [ 879.955114] FAULT_INJECTION: forcing a failure. [ 879.955114] name failslab, interval 1, probability 0, space 0, times 0 [ 879.966472] CPU: 0 PID: 22329 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 879.973840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 879.983204] Call Trace: [ 879.985801] dump_stack+0x194/0x24d [ 879.989446] ? arch_local_irq_restore+0x53/0x53 [ 879.994144] should_fail+0x8c0/0xa40 [ 879.997880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 880.002994] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 880.008029] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 880.012812] ? retint_kernel+0x10/0x10 [ 880.016716] ? find_held_lock+0x35/0x1d0 [ 880.020795] ? __lock_is_held+0xb6/0x140 [ 880.024885] ? check_same_owner+0x320/0x320 [ 880.029227] ? rcu_note_context_switch+0x710/0x710 [ 880.034181] should_failslab+0xec/0x120 [ 880.038188] __kmalloc+0x63/0x760 [ 880.041651] ? sched_create_group+0x22/0x70 [ 880.045995] ? kzalloc+0xf/0x20 [ 880.049288] kzalloc+0xf/0x20 [ 880.052573] alloc_fair_sched_group+0xd6/0x530 [ 880.057160] ? __lock_is_held+0xb6/0x140 [ 880.061240] sched_create_group+0x35/0x70 [ 880.065401] cpu_cgroup_css_alloc+0xe/0x30 [ 880.069641] cgroup_apply_control_enable+0x44d/0xbc0 [ 880.074768] ? cgroup_propagate_control+0x570/0x570 [ 880.079803] ? css_populate_dir+0x289/0x420 [ 880.084138] cgroup_mkdir+0x56f/0xfc0 [ 880.087947] ? __lock_is_held+0xb6/0x140 [ 880.092023] ? cgroup_destroy_locked+0x750/0x750 [ 880.096787] ? rcu_read_lock_sched_held+0x108/0x120 [ 880.101815] ? kmem_cache_free+0x258/0x2a0 [ 880.106061] ? set_nlink+0xc1/0x160 [ 880.109700] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 880.114637] ? generic_permission+0x105/0x3c0 [ 880.119144] ? cgroup_destroy_locked+0x750/0x750 [ 880.123915] kernfs_iop_mkdir+0x153/0x1e0 [ 880.128078] vfs_mkdir+0x390/0x600 [ 880.131632] SyS_mkdirat+0x22b/0x2b0 [ 880.135390] ? SyS_mknod+0x480/0x480 [ 880.139116] ? do_fast_syscall_32+0x156/0xf9f [ 880.143620] ? SyS_mknod+0x480/0x480 [ 880.147337] do_fast_syscall_32+0x3ec/0xf9f [ 880.151672] ? do_int80_syscall_32+0x9c0/0x9c0 [ 880.156255] ? _raw_spin_unlock_irq+0x27/0x70 [ 880.160753] ? finish_task_switch+0x1c1/0x7e0 [ 880.165259] ? syscall_return_slowpath+0x2ac/0x550 [ 880.170194] ? prepare_exit_to_usermode+0x350/0x350 [ 880.175216] ? sysret32_from_system_call+0x5/0x3c [ 880.180070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 880.184935] entry_SYSENTER_compat+0x70/0x7f [ 880.189342] RIP: 0023:0xf7faec99 [ 880.192706] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/03/31 21:06:00 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_buf(0xffffffffffffffff, 0x0, 0x2f, &(0x7f0000283000)=""/227, &(0x7f0000000040)=0xe3) r1 = dup3(0xffffffffffffff9c, r0, 0x80000) setsockopt$sock_int(r1, 0x1, 0xb, &(0x7f0000000080)=0x5dce, 0x4) socket$inet(0x2, 0x2, 0x1) 2018/03/31 21:06:00 executing program 4: socket$inet(0x10, 0x0, 0xc) r0 = socket$inet(0x10, 0x0, 0x0) syz_open_dev$audion(&(0x7f0000000240)='/dev/audio#\x00', 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000280)=@l2, 0x80, &(0x7f0000000600)}, 0x100) mkdir(&(0x7f0000029ff6)='./control\x00', 0x0) r1 = inotify_init1(0x0) getsockopt$inet_mreq(r0, 0x0, 0x20, &(0x7f0000000400)={@loopback, @multicast2}, &(0x7f0000000440)=0x8) inotify_add_watch(r1, &(0x7f0000ad4000)='./control\x00', 0x0) r2 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./control\x00', 0x0, 0x0) r3 = openat(r2, &(0x7f0000000380)='./control\x00', 0x800, 0x10) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x2000000, 0x810, 0xffffffffffffffff, 0x4) openat$kvm(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/kvm\x00', 0x0, 0x0) pipe2(&(0x7f0000e3eff8)={0x0, 0x0}, 0x0) ioctl$sock_kcm_SIOCKCMUNATTACH(r4, 0x89e1, &(0x7f0000000480)={r4}) vmsplice(r4, &(0x7f0000000100), 0x200000000000003d, 0x0) syz_open_dev$sndctrl(&(0x7f0000dc0000)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r3, 0xc1205531, &(0x7f0000000000)={0x0, 0x0, 0x3, 0xfffffffffffffffe, [], [], [], 0x0, 0x1, 0x0, 0x0, "28910c6210bd030af90aff5019526a08"}) setsockopt$packet_rx_ring(r3, 0x107, 0x5, &(0x7f00000003c0)=@req3={0x3, 0x8001, 0x100000000, 0x300000000, 0x80, 0x4, 0x101}, 0x1c) epoll_create1(0x0) recvfrom(r0, &(0x7f0000000180)=""/55, 0x37, 0x0, &(0x7f0000000300)=@nfc={0x27, 0x1, 0x1}, 0xffffffffffffff0d) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x0, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000200)) rt_sigaction(0x1c, &(0x7f00000004c0)={0x1, {0x3}, 0x80000000, 0x1f}, &(0x7f0000000500), 0x8, &(0x7f0000000540)) read(0xffffffffffffffff, &(0x7f0000000140)=""/48, 0x30) 2018/03/31 21:06:00 executing program 3: r0 = socket(0x10, 0x80000000003, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000100)={'bond0\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="4a0000000000000000550000000000000f0000006b746ef535cb469cdfd0c94a33f97bd78c1841ef672004"]}) 2018/03/31 21:06:00 executing program 0: getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0xc) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x800, 0x0) r1 = syz_open_procfs(r0, &(0x7f0000000440)="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") fgetxattr(r1, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f0000000000)=""/159, 0x9f) [ 880.200418] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 880.207694] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 880.214961] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 880.222227] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 880.229498] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/03/31 21:06:00 executing program 2: syz_emit_ethernet(0x12, &(0x7f00002fdf2c)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty, [], {@generic={0x8100, "b10f88ca"}}}, &(0x7f0000000040)) r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_refresh_period\x00', 0x2, 0x0) r1 = inotify_add_watch(0xffffffffffffffff, &(0x7f0000000080)='./file0\x00', 0x1) inotify_rm_watch(r0, r1) 2018/03/31 21:06:00 executing program 7: ioctl$ION_IOC_ALLOC(0xffffffffffffffff, 0xc0184900, &(0x7f00000000c0)={0x6}) 2018/03/31 21:06:00 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="2f657865000000000000d50fef7afaf807e3c2f98d0d02812e3ca05fc31e623a2a051fc20fa5a02d84267a0067ac78b8ed1ee48d8097f99d3188a59818771e21974fc3d02efdabd0512782c2474e0a8c17538091e53bdc54aa574b0615a98c9046beb56b8bb5744fcc54b400dec854d2da9efbbdf5e4c75fae864cc0fce7514c133f17a1b93b735d3d5b3e10b683128034ec6e19ed879a810a401f95b9860b41b3b8683ac1b6f21c21769cbd07a9b0f2ab9711ecaaf67a7a74beef377c60b435f3eee826d174ca7516e89abcebd589104d80402accdc8d7ae101c57bbc26c33df519152ef8daf388b20fbc8c55cdb7d471a822531e7d7b88bbb269d72051d9f92d569935ce2b387f9e30fabf336e53827a8bdd4f7c3fba515ade98e68d965b0a52ec80d74eebb4c2904be489d2d473dab9f302545f6fd2973979092a404bdee5aad5d3eb20cb69f2e8c01eab7fbf98463fcdeb034f041dbd1cd779e40828d9db22f3e839a3f58a0e6ac2312fb1f95ffb6e97c6cc55353b7301984f08f9ca247456b5628692d5e443455794a27c4b194226b60a3b19bf09a2595e1d5aa5eb62934533af467d7de9c30c5f7b4db1f048c64587b71b2be65c78") sendfile64(r0, r0, &(0x7f0000000000), 0xb09) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:06:00 executing program 3: bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x3, &(0x7f0000000140)=ANY=[@ANYBLOB="180000000000000000000000028000006a1500fffffff6006164c9bbac0448e9deee66be57dbf4a4a902fd14"], &(0x7f0000000080)='syzkaller\x00', 0x0, 0xce, &(0x7f0000000180)=""/206}, 0x48) r0 = open(&(0x7f00000002c0)='./file0\x00', 0x200040, 0x4) getsockopt$IPT_SO_GET_REVISION_MATCH(r0, 0x0, 0x42, &(0x7f00000003c0)={'NETMAP\x00'}, &(0x7f0000000400)=0x1e) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x0, 0x5, &(0x7f0000000040)=@framed={{0x18}, [@jmp={0x5}], {0x95}}, &(0x7f0000000200)='syzkaller\x00', 0x0, 0x228, &(0x7f0000000300)=""/187}, 0x48) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0xfffffffffffffffe, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r1, 0x4028700f, &(0x7f0000000040)) 2018/03/31 21:06:00 executing program 1 (fault-call:6 fault-nth:30): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:00 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) link(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='./file0\x00') unlinkat(r0, &(0x7f0000000040)='./file0/file0\x00', 0x0) 2018/03/31 21:06:00 executing program 5: r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) getresuid(&(0x7f0000000340), &(0x7f0000000380), &(0x7f0000000540)=0x0) write(r0, &(0x7f0000000000)="b63db85e1e8d020000000000003ef0011dcc606aed69d2bc7037cebc9bc2feffffffffffffffe22c9b160096aa1fae1a", 0x30) sendmsg$nl_generic(r0, &(0x7f0000000500)={&(0x7f00000003c0)={0x10}, 0xc, &(0x7f00000004c0)={&(0x7f0000000580)={0x3d0, 0x1f, 0x800, 0x70bd2a, 0x25dfdbfb, {0x1e}, [@nested={0xe0, 0x65, [@generic="ecc0e6e81ae0da3463f30c5e5b7e11896daceb3e6dbd6e816445d4f6567fbb9a99ea525a1bd23963d1c9d8982348c8b7e68aba9d33f2fd96a059dfbcd39df9f8a9dcec1025f53c44686f18da9aef45f3615d1edf7dd475ddfe3ccb5ee6d6a1a38bacc4dbe1bcdde0203ee3f28ee8a5258bedd7c3e0ce652a25805a1169b5118649fedbab9ffa432134c0ef3efdb499f8ad1a1c068830129a7125e1d7ab59c8a90888e82a993143254a85c5a8841ad6cce3492890318a608f22bb7a8cd07734f0349a6e859b47be332ac9a73e36c4f9bbae00647547e4e5f4176b"]}, @generic="edfc001b18a3dc57fcc250affcbc911fcd56c7accdaea770c9009f49af019c316d04fa196965952509da27138414da68f961089919c42950b27ee14fa6c6efc92c81cc0b6b5575c1442d56456b54eef79c2fb6eeb57544543e557ce4a206bb968e74cde3286fe9308e9248490b63931a482645236f1ac17486f6ba89a129ba5b52bddd2c5093832d90a1369a6c3e0fd2938bc0137532bb14f938bb47024acb5c9d2c21083d3f73102ca4adddc9cb70c0ecbfb2b23be3f44b6c3c56112150c2838cacf85cbd5bee749d32e124019c8bd0", @nested={0x38, 0x50, [@typed={0x8, 0x8a, @ipv4=@local={0xac, 0x14, 0x14, 0xaa}}, @typed={0x8, 0x81, @uid=r1}, @generic="182966f635b39f77fd1819488db796be637f59424d4d063486496322e5e0a91ed64b"]}, @nested={0x100, 0x21, [@generic="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"]}, @typed={0x14, 0x47, @ipv6=@mcast2={0xff, 0x2, [], 0x1}}, @generic="35e96e2fd223318f9be141b2a0c9f75733225db4a0feb20b22dbdde41bd3a32e96f3cebb8dcf1e589e84f0078949c678e72a0e00e3ac2f662cc1d6abe7626336470a4297871e33c86dd7877fdc32a7fcc9d41963676c57727a2d7fe492e4191c01d6f5f1635bbd2bca34a7e820310aff7484c9b2ba39e797df8c4f456ef35771d05d5b30be441bda1fab248ce4ca41ac8bdb32fc88f2383b1bac0b01f8560b506a50a1e734ff08d8a960c090e0423a45efe4573e6fa6ab5ee9fecb6964"]}, 0x3d0}, 0x1, 0x0, 0x0, 0x4000010}, 0x24000805) creat(&(0x7f000081eff8)='./file0\x00', 0x0) lsetxattr(&(0x7f0000712ff8)='./file0\x00', &(0x7f0000faffe7)=@known='security.capability\x00', &(0x7f0000d9ffec)="0000000201000000000000010400000000000000", 0x14, 0x0) listxattr(&(0x7f0000fc9000)='./file0\x00', &(0x7f0000a6af01)=""/255, 0xff) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='pagemap\x00') mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x2000, 0x100000000003, &(0x7f0000526000/0x2000)=nil) r3 = socket$netlink(0x10, 0x3, 0x0) fchmodat(r2, &(0x7f0000000000)='./file0\x00', 0x0) ioctl$int_in(r2, 0x5452, &(0x7f0000000040)=0xfffffffffffffffb) ioctl$KVM_SET_VAPIC_ADDR(r2, 0x4008ae93, &(0x7f0000000080)) sendfile(r3, r2, &(0x7f0000014000)=0x100000, 0x10001) bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x107}, 0x7d) bpf$PROG_LOAD(0x5, &(0x7f00000ba000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x31, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0xfffffffffffffffc, 0x188, &(0x7f00001a7f05)=""/251}, 0x48) ioctl$int_in(r0, 0x5421, &(0x7f0000000040)=0x3ff) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000300)=0x0) perf_event_open(&(0x7f0000000440)={0x0, 0x70, 0xfffffffffffff001, 0xfff, 0x10001, 0x8, 0x0, 0x4, 0x0, 0x0, 0xfff, 0x9, 0x7fff00, 0x0, 0x7f, 0x0, 0x5c, 0x9a32, 0xf87, 0x0, 0x3ff, 0x8, 0x4, 0x9, 0xec, 0x80000000, 0x7fff, 0xc97b, 0x7, 0x0, 0x80000001, 0xf83b, 0x7fff, 0x80000000, 0xf62, 0xfffffffffffffffe, 0x81, 0x8, 0x0, 0x1, 0x0, @perf_bp={&(0x7f0000000240), 0x2}, 0x4000, 0x90, 0x1, 0x5, 0x6c67, 0x400000000, 0x7ff}, r4, 0x2, r0, 0x3) readv(r0, &(0x7f00000001c0)=[{&(0x7f0000000080)=""/119, 0x77}, {&(0x7f0000000100)=""/160, 0xa0}], 0x2) getresuid(&(0x7f0000000280), &(0x7f00000002c0), &(0x7f0000000400)) clock_gettime(0x0, &(0x7f0000000200)) 2018/03/31 21:06:00 executing program 3: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) ioctl$sock_SIOCBRDELBR(0xffffffffffffffff, 0x89a1, &(0x7f0000000000)='bcsf0\x00') setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=@newlink={0x20, 0x10}, 0x20}, 0x1}, 0x0) setsockopt$ARPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x60, &(0x7f0000000480)=ANY=[@ANYBLOB], 0x1) ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000200)=0x0) syz_mount_image$msdos(&(0x7f0000000280)='msdos\x00', &(0x7f00000002c0)='.', 0xf5fc, 0x5, &(0x7f0000000680)=[{&(0x7f00000003c0)="1c12dcce444235c763a82494a553f0ad1e04d9d85edc458033fad6149bfb0f47a2545e65d98100b4dac3a310832f922399ddb6d0023bf0b0b9d3aad15d56bdbf2cb8d31b1bd6732f1b41ff734e80dd3f72da7468ea05b7cd428a61e0a027bfc838140eca8fadc1715562b0ff7596e677dd35ab37d014d7e8ecf00a82d364b494dc2f68f4362a443538bdd2d9d4b4aee05f6e9d8c1c7b5ad49ca9eae72af8899db4faf1cac2239d9eaacc5d9793786c8f673f42b073946bc77c6907b00837f6249eaa421601", 0xc5, 0x7}, {&(0x7f00000022c0)="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", 0x1000, 0x7f}, {&(0x7f00000004c0)="d4c7fc8dfd5e7440f5619d456a4d9f18e870541563184a54654c15f3ebcc5bbb73609bbd3d1be265a9a1d3aed54b3c7fc6c53da1925b6b16f06d4fe1cbbbbf6723b1eab8977a3e56e3959ad4c9683eb1795e499d8e1001aa12", 0x59, 0x2219}, {&(0x7f0000000540)="0570301d8a571a914091233387160012c6ebae78bf6d6d176bb18caed515c9cff0ca47ff681506fb725a2f16b45e407029b83347e84567e9f520675c2fdd55a4ccc8c5b15cf5e621cce59d464afa91ec5e46975958705e2eb311d0f303a4849a705533e9e8540ac9c7dd5de13899c7621e6948f3e0a23e181d3216b03514f8608ed6bb87321e58d92798e9a3865c06a8b7900bfbc80765b9ba8f85438cff7280a5776c5ff3537747d5fb891ffee5d3634034cc904000efa361bed05f1599627137234c2ec3141729fad472badbf9b1db918f", 0xd2}, {&(0x7f0000000640)="be9166508c76302286dcbf66958041291aafe4e140b7669d2a65941aba3b4b8f20fbd5a60adddfc7642a4e82a75e4e43b7a59f53b087a6", 0x37}], 0x401, &(0x7f00000006c0)={[{@discard='discard', 0x2c}, {@check_relaxed='check=relaxed', 0x2c}, {@check_strict='check=strict', 0x2c}, {@check_normal='check=normal', 0x2c}, {@gid={'gid', 0x3d, [0x31, 0x31]}, 0x2c}, {@codepage={'codepage', 0x3d, '1255'}, 0x2c}, {@uid={'uid', 0x3d, [0x33, 0x37, 0x33, 0x30]}, 0x2c}, {@dmask={'dmask', 0x3d, [0x36, 0x30]}, 0x2c}, {@debug='debug', 0x2c}, {@umask={'umask', 0x3d, [0x33, 0x31]}, 0x2c}]}) r1 = syz_open_procfs(r0, &(0x7f0000000380)='attr/exec\x00') socket$nl_xfrm(0x10, 0x3, 0x6) mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x0, &(0x7f00000001c0)) mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x100000, &(0x7f00000002c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x1004, 0x0) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x5010, &(0x7f00000e7000)) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)="d6") preadv(r1, &(0x7f0000000040)=[{&(0x7f00000012c0)=""/4096, 0x1000}], 0x1, 0x0) 2018/03/31 21:06:00 executing program 7: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) openat$vnet(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vhost-net\x00', 0x2, 0x0) r0 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xe3fb, 0x400) ioctl$KVM_SET_MP_STATE(r0, 0x4004ae99, &(0x7f0000000080)) chdir(&(0x7f0000f95000)='./file0\x00') r1 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) io_setup(0x8, &(0x7f0000000280)=0x0) io_submit(r2, 0x1, &(0x7f0000000640)=[&(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x0, r1, &(0x7f0000000300)}]) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000000180)={{{@in6, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@dev}}, &(0x7f0000000100)=0xe8) quotactl(0x3, &(0x7f00000000c0)='./bus\x00', r3, &(0x7f0000000680)="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") 2018/03/31 21:06:00 executing program 0: ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f0000000000)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000001f00)="2f657865000000000000d50fef7afaf807e3c2f98d0d02812e3ca05fc31e623a2a051fc20fa5a02d84267a0067ac78b8ed1ee48d8097f99d3188a59818771e21974fc3d02efdabd0512782c2474e0a8c17538091e53bdc54aa574b0615a98c9046beb56b8bb5744fcc54b400dec854d2da9efbbdf5e4c75fae864cc0fce7514c133f17a1b93b735d3d5b3e10b683128034ec6e19ed879a810a401f95b9860b41b3b8683ac1b6f21c21769cbd07a9b0f2ab9711ecaaf67a7a74beef377c60b435f3eee826d174ca7516e89abcebd589104d80402accdc8d7ae101c57bbc26c33df519152ef8daf388b20fbc8c55cdb7d471a822531e7d7b88bbb269d72051d9f92d569935ce2b387f9e30fabf336e53827a8bdd4f7c3fba515ade98e68d965b0a52ec80d74eebb4c2904be489d2d473dab9f302545f6fd2973979092a404bdee5aad5d3eb20cb69f2e8c01eab7fbf98463fcdeb034f041dbd1cd779e40828d9db22f3e839a3f58a0e6ac2312fb1f95ffb6e97c6cc55353b7301984f08f9ca247456b5628692d5e443455794a27c4b194226b60a3b19bf09a2595e1d5aa5eb62934533af467d7de9c30c5f7b4db1f048c64587b71b2be65c78") bind$pptp(r1, &(0x7f0000000200)={0x18, 0x2}, 0x1e) fgetxattr(r1, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) r2 = request_key(&(0x7f00000000c0)='big_key\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000140)='user.syz\x00', 0xffffffffffffffff) r3 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffff9) connect$ipx(r1, &(0x7f0000000280)={0x4, 0x7fffffff, 0xfff, "4e45d6e65420", 0x8}, 0x10) keyctl$unlink(0x9, r2, r3) getsockname$inet(r1, &(0x7f0000000040)={0x0, 0x0, @local}, &(0x7f0000000080)=0x10) [ 880.463928] FAULT_INJECTION: forcing a failure. [ 880.463928] name failslab, interval 1, probability 0, space 0, times 0 [ 880.475288] CPU: 0 PID: 22370 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 880.482743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 880.492101] Call Trace: [ 880.494708] dump_stack+0x194/0x24d [ 880.498361] ? arch_local_irq_restore+0x53/0x53 [ 880.503055] should_fail+0x8c0/0xa40 [ 880.506787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 880.511912] ? trace_hardirqs_off+0x10/0x10 [ 880.516249] ? alloc_fair_sched_group+0xd6/0x530 [ 880.521014] ? sched_create_group+0x35/0x70 [ 880.525349] ? cgroup_apply_control_enable+0x44d/0xbc0 [ 880.530635] ? SyS_mkdirat+0x22b/0x2b0 [ 880.534560] ? print_irqtrace_events+0x270/0x270 [ 880.539325] ? find_held_lock+0x35/0x1d0 [ 880.543387] ? __lock_is_held+0xb6/0x140 [ 880.547452] ? check_same_owner+0x320/0x320 [ 880.551768] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 880.556773] ? rcu_note_context_switch+0x710/0x710 [ 880.561697] should_failslab+0xec/0x120 [ 880.565671] kmem_cache_alloc_node_trace+0x5a/0x760 [ 880.570676] ? __refill_cfs_bandwidth_runtime+0x120/0x120 [ 880.576196] ? sched_create_group+0x22/0x70 [ 880.580499] ? find_next_bit+0xcc/0x100 [ 880.584462] alloc_fair_sched_group+0x1f0/0x530 [ 880.589120] sched_create_group+0x35/0x70 [ 880.593249] cpu_cgroup_css_alloc+0xe/0x30 [ 880.597465] cgroup_apply_control_enable+0x44d/0xbc0 [ 880.602563] ? cgroup_propagate_control+0x570/0x570 [ 880.607573] ? css_populate_dir+0x289/0x420 [ 880.611885] cgroup_mkdir+0x56f/0xfc0 [ 880.615683] ? __lock_is_held+0xb6/0x140 [ 880.619731] ? cgroup_destroy_locked+0x750/0x750 [ 880.624470] ? rcu_read_lock_sched_held+0x108/0x120 [ 880.629469] ? kmem_cache_free+0x258/0x2a0 [ 880.633687] ? set_nlink+0xc1/0x160 [ 880.637308] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 880.642220] ? generic_permission+0x105/0x3c0 [ 880.646699] ? cgroup_destroy_locked+0x750/0x750 [ 880.651437] kernfs_iop_mkdir+0x153/0x1e0 [ 880.655569] vfs_mkdir+0x390/0x600 [ 880.659092] SyS_mkdirat+0x22b/0x2b0 [ 880.662789] ? SyS_mknod+0x480/0x480 [ 880.666488] ? do_fast_syscall_32+0x156/0xf9f [ 880.670966] ? SyS_mknod+0x480/0x480 [ 880.674663] do_fast_syscall_32+0x3ec/0xf9f [ 880.678972] ? do_int80_syscall_32+0x9c0/0x9c0 [ 880.683535] ? _raw_spin_unlock_irq+0x27/0x70 [ 880.688016] ? finish_task_switch+0x1c1/0x7e0 [ 880.692500] ? syscall_return_slowpath+0x2ac/0x550 [ 880.697412] ? prepare_exit_to_usermode+0x350/0x350 [ 880.702410] ? sysret32_from_system_call+0x5/0x3c [ 880.707246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 880.712074] entry_SYSENTER_compat+0x70/0x7f [ 880.716462] RIP: 0023:0xf7faec99 [ 880.719804] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 880.727495] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 880.734748] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 880.742000] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 880.749265] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 880.756514] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/03/31 21:06:01 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x169800, 0x0) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) ioctl$KVM_GET_NR_MMU_PAGES(r1, 0xae45, 0x6) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) write$tun(r1, &(0x7f00000004c0)={@pi, @void, @llc={@snap={0xaa, 0xaa, "89", "0bf0fc", 0x201, "41199a8ad9924f2365878215b595b03ceca8e85c1c4143ad256690cdb6da25e4d8a61832fd297ab9679737dae4e0729230fbf28034653cd053c029074f5faceec5ede627868d4288c51fe9af15c4affeb8471759d43e61d9fc846ef1981f931f03c6b5c21a83460d8963a484676ad8ccb5253d296484ba51ebc4ce866f54dacb1f0fbc8288a3f138e6c68aa5bc16ebd365e4b56d13a32716e93be7bfb7baf8105133d0b88ab15d83ad63d0c7e6dffc0127f96c66314bf8e6a09d0cc36cfe7d4cbff81b9893017da6dda1698e200b6226ba4b3c138c4b3e1b71e5a9f7d196"}}}, 0xea) ioctl$KVM_REINJECT_CONTROL(r2, 0xae71, &(0x7f0000000040)) setsockopt$bt_BT_CHANNEL_POLICY(r1, 0x112, 0xa, &(0x7f0000000480)=0xb3f, 0x4) ioctl$KVM_GET_XSAVE(r1, 0x9000aea4, &(0x7f0000000080)) 2018/03/31 21:06:01 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='io.stat\x00', 0x0, 0x0) ioctl$KVM_SET_CPUID2(r0, 0x4008ae90, &(0x7f0000000140)={0x5, 0x0, [{0x2, 0x40, 0x1, 0x1, 0x7, 0x8001, 0x200}, {0xc0000001, 0x5, 0x4, 0x8, 0x5, 0x1, 0x9}, {0x40000001, 0x5, 0x1, 0x6, 0x5, 0x2b3d, 0x9}, {0xc0000000, 0x80000001, 0xdc01b0ec63df7164, 0x8b33, 0xa6, 0x8, 0x7fff}, {0x7, 0x3257, 0x3, 0x3ff, 0xffff, 0x734, 0x80000001}]}) r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r1, &(0x7f0000eddffe)='(', 0x1, 0x0, &(0x7f000052a000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) getrlimit(0x0, &(0x7f0000000040)) shutdown(r1, 0x1) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f000062fff8)={0x0, 0x2000000001}, 0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/03/31 21:06:01 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff) mmap(&(0x7f0000600000/0x4000)=nil, 0x4000, 0x0, 0x44031, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000ae4000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000f8dfe0)={{&(0x7f00002a9000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000a7c000)={&(0x7f000076a000/0x3000)=nil, 0x3000}) 2018/03/31 21:06:01 executing program 1 (fault-call:6 fault-nth:31): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:01 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r1, &(0x7f0000000080)='./file0\x00', 0x200) stat(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000000180)='./file0/file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fchown(r0, r2, r3) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r1, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:06:01 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") ioctl$EVIOCSMASK(r0, 0x40104593, &(0x7f0000000080)={0x13, 0x59, &(0x7f0000000000)="58e2ad0f6ef7891caa37fd98a438bdae175296ae675b94858fe0a866fa03fcbced7e913e8cfe484c4825a97fee7abb95458077e5cb85429aa59da8cf419d8617c54e7569442d30055a2a5f1f191637ca58e94d518deafde670"}) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:06:01 executing program 5: r0 = socket$inet6(0xa, 0x2000000000001, 0x2) bind$inet6(r0, &(0x7f0000402000)={0xa, 0x4e21, 0xfffffffffffffffe, @loopback={0x0, 0x1}, 0xfffffffffffffffe}, 0x1c) sendto$inet6(r0, &(0x7f00007a8fff), 0x0, 0x20000000, &(0x7f0000f62fe4)={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff]}}, 0x1c) ioctl$EVIOCGABS0(r0, 0x80184540, &(0x7f0000000000)=""/44) 2018/03/31 21:06:01 executing program 3: r0 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xffffffffffffffff) r1 = perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000c34000)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000b4e000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) r3 = gettid() process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1}], 0x1, &(0x7f0000c22fa0)=[{&(0x7f00007a9000)=""/1, 0x1}], 0x1, 0x0) r4 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x0) syz_open_dev$dmmidi(&(0x7f0000000380)='/dev/dmmidi#\x00', 0x5, 0x100) ioctl$sock_inet_sctp_SIOCINQ(r4, 0x541b, &(0x7f0000000080)) socketpair$inet6(0xa, 0x2, 0x8, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000100)={'ip_vti0\x00', 0x0}) getsockopt$inet_IP_XFRM_POLICY(r4, 0x0, 0x11, &(0x7f0000000140)={{{@in=@local, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@ipv4}}, &(0x7f0000000240)=0xe8) socket$nl_route(0x10, 0x3, 0x0) setsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f0000000280)={{{@in6=@dev={0xfe, 0x80, [], 0xe}, @in=@loopback=0x7f000001, 0x4e22, 0x1, 0x4e20, 0x2, 0xa, 0x0, 0x80, 0x0, r6, r7}, {0x40, 0xa6d, 0x3, 0x8000, 0x2247, 0x68, 0x9, 0xffffffff}, {0x4, 0x7f, 0x1ff, 0x8}, 0x3, 0x0, 0x0, 0x1, 0x1, 0x3}, {{@in=@dev={0xac, 0x14, 0x14, 0x18}, 0x4d4, 0xff}, 0xa, @in=@rand_addr=0x1a24, 0x0, 0x4, 0x0, 0x42c3, 0x0, 0x1}}, 0xe8) keyctl$restrict_keyring(0x1d, r0, &(0x7f0000000200)='id_resolver\x00', &(0x7f0000000240)='&\x00') socketpair(0x5, 0xa, 0x10001, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r8, 0xc1205531, &(0x7f0000000040)={0x7, 0x7, 0x9, 0x3, [], [], [], 0x4, 0x6, 0x7, 0xd, "99b0b9a24582213f4e689d8ff77bac6b"}) [ 881.004091] FAULT_INJECTION: forcing a failure. [ 881.004091] name failslab, interval 1, probability 0, space 0, times 0 [ 881.015394] CPU: 1 PID: 22402 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 881.022755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 881.032108] Call Trace: [ 881.034697] dump_stack+0x194/0x24d [ 881.038327] ? arch_local_irq_restore+0x53/0x53 [ 881.043004] should_fail+0x8c0/0xa40 [ 881.046724] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 881.051832] ? trace_hardirqs_off+0x10/0x10 [ 881.056154] ? alloc_fair_sched_group+0xd6/0x530 [ 881.060908] ? sched_create_group+0x35/0x70 [ 881.065232] ? cgroup_apply_control_enable+0x44d/0xbc0 [ 881.070508] ? SyS_mkdirat+0x22b/0x2b0 [ 881.074400] ? print_irqtrace_events+0x270/0x270 [ 881.079185] ? find_held_lock+0x35/0x1d0 [ 881.083255] ? __lock_is_held+0xb6/0x140 [ 881.087330] ? check_same_owner+0x320/0x320 [ 881.091649] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 881.096665] ? rcu_note_context_switch+0x710/0x710 [ 881.101616] should_failslab+0xec/0x120 [ 881.105595] kmem_cache_alloc_node_trace+0x5a/0x760 [ 881.110615] ? __refill_cfs_bandwidth_runtime+0x120/0x120 [ 881.116149] ? find_next_bit+0xcc/0x100 [ 881.120127] alloc_fair_sched_group+0x1f0/0x530 [ 881.124800] sched_create_group+0x35/0x70 [ 881.128948] cpu_cgroup_css_alloc+0xe/0x30 [ 881.133198] cgroup_apply_control_enable+0x44d/0xbc0 [ 881.138311] ? cgroup_propagate_control+0x570/0x570 [ 881.143332] ? css_populate_dir+0x289/0x420 [ 881.147661] cgroup_mkdir+0x56f/0xfc0 [ 881.151460] ? __lock_is_held+0xb6/0x140 [ 881.155645] ? cgroup_destroy_locked+0x750/0x750 [ 881.160405] ? rcu_read_lock_sched_held+0x108/0x120 [ 881.165406] ? kmem_cache_free+0x258/0x2a0 [ 881.169622] ? set_nlink+0xc1/0x160 [ 881.173230] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 881.178138] ? generic_permission+0x105/0x3c0 [ 881.182614] ? cgroup_destroy_locked+0x750/0x750 [ 881.187353] kernfs_iop_mkdir+0x153/0x1e0 [ 881.191494] vfs_mkdir+0x390/0x600 [ 881.195021] SyS_mkdirat+0x22b/0x2b0 [ 881.198720] ? SyS_mknod+0x480/0x480 [ 881.202903] ? do_fast_syscall_32+0x156/0xf9f [ 881.207383] ? SyS_mknod+0x480/0x480 [ 881.211075] do_fast_syscall_32+0x3ec/0xf9f [ 881.215383] ? do_int80_syscall_32+0x9c0/0x9c0 [ 881.219945] ? _raw_spin_unlock_irq+0x27/0x70 [ 881.224420] ? finish_task_switch+0x1c1/0x7e0 [ 881.228896] ? syscall_return_slowpath+0x2ac/0x550 [ 881.233804] ? prepare_exit_to_usermode+0x350/0x350 [ 881.238799] ? sysret32_from_system_call+0x5/0x3c [ 881.243623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 881.248447] entry_SYSENTER_compat+0x70/0x7f 2018/03/31 21:06:01 executing program 7: r0 = getpid() ioprio_get$pid(0x0, r0) lstat(&(0x7f0000000140)='./file0\x00', &(0x7f0000000ec0)) r1 = syz_open_procfs(0x0, &(0x7f00004c6f8b)='mounts\x00') readv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000200)=""/41, 0x29}, {&(0x7f0000000380)=""/190, 0xbe}, {&(0x7f0000000440)=""/128, 0x80}, {&(0x7f00000004c0)=""/245, 0xf5}, {&(0x7f00000002c0)=""/32, 0x20}, {&(0x7f00000005c0)=""/68, 0x44}], 0x6) setsockopt$inet6_MRT6_ADD_MIF(r1, 0x29, 0xca, &(0x7f0000000180)={0x1000, 0x1, 0xff, 0x1, 0xf5d1}, 0xc) mkdir(&(0x7f0000000100)='./file0\x00', 0x0) recvmsg$netrom(r1, &(0x7f0000001080)={&(0x7f0000000a00)=@ax25={0x3, {"3c1b7251c1894a"}, 0x1}, 0x10, &(0x7f0000000fc0), 0x0, &(0x7f0000003400)=ANY=[], 0x0, 0x80}, 0x40000020) fcntl$getown(r1, 0x9) r2 = getpgrp(r0) sendto(0xffffffffffffffff, &(0x7f00000008c0), 0x0, 0x0, &(0x7f0000000900)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x1, 0x3, 0x2, {0xa, 0x0, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x9}}}, 0x80) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000a40)='/dev/hwrng\x00', 0x25c1, 0x0) ptrace$peek(0x1, r2, &(0x7f00000001c0)) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x1, &(0x7f00000007c0)="ad413983dce8fda692b19ca665e8ec77fa462cd42977c0457fd5e513959b8c97ae621bb4901c4e02feb9c506bb7a185e14ce240442c0569367f41339a6de4e23d1c7ab2eec7dc1dc53ce1c19d3504046b72e65dabe993f437b12590fe45fc9a1236595beacd35ff917e5a427d696b47b636d7b8ab7a062ac1180123f81627f543e06398f178e65a5f2920a33200f49ae23b1750ee243d6") mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x100000, &(0x7f00000002c0)) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000280)='.', &(0x7f0000000040)="045b898f73", 0x1004, 0x0) mount(&(0x7f00000008c0)='.', &(0x7f0000000080)='.', &(0x7f0000753000)='mslos\x00', 0x5010, &(0x7f0000000980)="9af576624811f8f8bf3ff31413ad09a266f00a069d096a4da9ec69c3354a2fada66630b7c485101aed5445083e730ff8b5440e11cd5f18a8f1073ed79ac9a1b63daac57dee71c79501992acf") ioctl$DRM_IOCTL_MODE_SETCRTC(r1, 0xc06864a2, &(0x7f0000000dc0)={&(0x7f0000000d80)=[0x8000, 0x0, 0x0, 0x401, 0x8], 0x5, 0xfffffffffffffffa, 0x0, 0x0, 0x0, 0xbe1, {0x0, 0x5, 0xee63, 0x0, 0x0, 0x0, 0x2, 0x0, 0xd9, 0x80000000, 0xffffffffffffff01, 0x0, 0x0, 0x9025, "8aeb4026b67235fa3e4076f0e017b01b3029555d90b1e479d93de22b0ea450ff"}}) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)="d6") preadv(r1, &(0x7f00000023c0)=[{&(0x7f00000012c0)=""/4096, 0x1000}], 0x1, 0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000a80), &(0x7f0000000ac0)=0xc) getgroups(0x6, &(0x7f0000000b00)=[0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0]) stat(&(0x7f0000000b40)='./file0\x00', &(0x7f0000000b80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000000c00), &(0x7f0000000c40)=0x0, &(0x7f0000000c80)) r6 = add_key$user(&(0x7f0000000000)='user\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000e40)="09938035f010723eb0818b94c6578c9ca150855b6d9fdead19bf065f1c568a0a989c18211eb2fbe66ec5b6f2b80ef90010b6a587f646357db8a0f0", 0x3b, 0xfffffffffffffffd) keyctl$set_timeout(0xf, r6, 0x80000000) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000cc0), &(0x7f0000000d00)=0xc) getgroups(0x3, &(0x7f0000000d40)=[r4, r5, 0x0]) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/31 21:06:01 executing program 0: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x8800, 0x0) ioctl$SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE(r0, 0xc0045520, &(0x7f0000000080)=0x400) r1 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r1, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f0000000000)=r1, 0x4) 2018/03/31 21:06:01 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ip6tnl0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000004fc8)={&(0x7f0000016000)={0x10}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c00000013000100000000000000000000000000", @ANYRES32=r1, @ANYBLOB="00000000000000000c0002000180c20000000000967ff9715ffb6ae6a82816e0c5264e3bc87ded145108b2ef8163fa27a28c8dd9bb769502b3f054075489a6da17bd5b1b61e14dbb82dff899dbf5ead7f7ed207fc5d64df506f8e876d5a48d34bbd50bbdad96d28a4e725fc35079a64d98"], 0x2c}, 0x1}, 0x0) [ 881.252835] RIP: 0023:0xf7faec99 [ 881.256186] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 881.263875] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 881.271121] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 881.278640] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 881.285888] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 881.293135] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/03/31 21:06:01 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) getsockopt$bt_l2cap_L2CAP_CONNINFO(r0, 0x6, 0x2, &(0x7f0000000000), &(0x7f0000000040)=0x6) 2018/03/31 21:06:01 executing program 2: perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = getpgrp(0xffffffffffffffff) prctl$setptracer(0x59616d61, r0) r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000240)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) r2 = syz_open_dev$evdev(&(0x7f0000fc0000)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCSMASK(r2, 0x40104593, &(0x7f0000914ff0)={0x0, 0x0, &(0x7f0000000180)}) r3 = eventfd(0x0) ioctl$VHOST_SET_VRING_KICK(r1, 0x4008af20, &(0x7f0000000100)={0x0, r3}) read$eventfd(r3, &(0x7f0000949ff8), 0x8) syz_open_dev$evdev(&(0x7f0000000140)='/dev/input/event#\x00', 0x81, 0x12000) write$eventfd(r3, &(0x7f0000ceeff8), 0x8) write$eventfd(r3, &(0x7f000025bff8)=0x6, 0x8) gettid() futex(&(0x7f0000000000)=0x1, 0x32f8b702ae415671, 0x1, &(0x7f0000000040)={0x77359400}, &(0x7f0000000080), 0x0) ioctl$EVIOCGMASK(r2, 0x80104592, &(0x7f0000000000)={0x0, 0x1, &(0x7f00000000c0)="e9"}) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(0xffffffffffffffff, 0x111, 0x1, 0x4000, 0x4) prctl$setptracer(0x59616d61, r0) 2018/03/31 21:06:02 executing program 5: perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$nl_xfrm(0xa, 0x5, 0x84) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/lblc_expiration\x00', 0x2, 0x0) getsockopt$ax25_int(r1, 0x101, 0x0, &(0x7f0000000080), &(0x7f00000000c0)=0x4) getsockopt$bt_hci(r0, 0x84, 0x7, &(0x7f0000001200)=""/4096, &(0x7f0000000000)=0x1000) 2018/03/31 21:06:02 executing program 7: setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000001000)={0x10000, 0x4, 0x100, 0x400}, 0x10) r0 = socket(0x11, 0x4000000000080003, 0x0) setsockopt(r0, 0x107, 0xd, &(0x7f0000001000), 0xf9) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000003ec0)=ANY=[@ANYRES32=0x0, @ANYBLOB="0010000066c501a31a2cc92886d18d3cd478c52a50e2d018372df714815fc2bd76b970892e704a0f4ad0bc0f855d83646a006ae225458a7faae22be596eba7cd8b90f200458deab4fffa48f47b5f7c470f92e7278946fb67290c81f7ce003c1f61d92d30f42f8aa5ea0b70bf58cd36305bed6748655b56e875b53c6187027af0787f8ff05c6a47fbd9d117c23bc9f343d896a463f8ed483c3a03b6961dd2ce79f5bbb1f9284f0ae916426c8e1657ebce93d56fecbdb86b21158e51404fa7ac4d7e78b9cd8910f7196717cd0967923b1740b5fc1df5f748dfbe9a42863f65caaac3501a8ddd4ccd466fe41e11f393b0b4c2a4b84f87d5d149535d579ce2bb85c85317af1f75ce92b8503a3d5cb6f1d811f4c30324da013788dbed039831f91df10b4964b856fd449777b5159a73f9f81606ce173a5c7a8cd9d69eb9fe547c5c7e63d6aa34d4d39ba424bd4cfeddfaa6030d5a07f9e6467f0815e7df0cdf483bab0d18daa25ab31631e35458c575868131e500776832e88a791565176c731a1e199dc8bc2aa277b097c579df3745b9c5c70fde6181f84ded5e58d12fd3001cfac0ed9bca508d30fe526fee28ab96ec70f6b6c1b82bb71e860136171accecf2e5675e54bd9108a1f9a613e1cac947d83f7aba6f76fc7a6f57028ded4ffcc106915a62fc07db993bb82c044579a0734ca40cc1e89bd3ffc60c142aff923bfe3cca89ced1d352bd66dc9400adca7c9fb28da073b09fd5afa050dc7fd0051c764e219c2d5e0355116788d23afe20c71cfb0036a3c51cceedf7b8d8876c676834b3f9f957ecf9f936f884e0c82a19c30b3ccb38ce5c593585e2e52498e52b7bf1961cabdced896ba51ee45bc2ae25a18caab4560b5c7f9fa3fdcd42fb0cdb2a53b25afaf60f5059394b1fb7712ae6772e3191d78926f72c75b2c28154d4fe3cbba923c631f103a70b78f8cf8a3d681b7bcda88bb2eee0583a4230f99a636a8728ddfc02dede4bff271e4793832ee61b090b53be948f48ec1bad8c0416d239970078342de202d4d15263e50d3fee745176b27e10ea5258722395148a43c6804294b7243ab025e1891b3b010fcbc01d650a7831863bc7fa235ca77d1e008fc321686d46620f5f6d5841d1b5de2dbf1facc8c4cd9a56fbe89fa04466b203333bb632c0bb1317ccb5521b0dabcc33de764a14e4ca45c67d6868ffd91ead74bffe6ff11de42f07ce36437c35c7e701baea335bfc6257fe5d6e1f981f65167a9e9e78592f37c6d72cd8ba46943dd44744bea35faf664e9dd0c3d5cc0b9de06f45375fefc48271b84e89603a53297b98390dfa2039eae9ed8b800db66a4a4764b779b5a38c903a0b5173134ef329df0daa0fe10355477ee7b2985df89b9a59352825f08751b9eb63cc45527ef50a7f50c63f430b4384cd1e40c13dde6fc1756e71726cabb5a3e6a321e783786b72172f04aedbfc695199a7a23d3827e58d0957efdf90daf85903c5564d90ffcb580bfaa7e801d2855be8c799d443cc7dbce1b2591e30965dd6824e0657d2e519e4d9ffa840fd9fcd93bada23e1e052ae49aa09fe68451ce73788aba3126816c956bd60015f722091f394d058abb51481523d35225617925e5174bf862fa91eb9e781127bd4413d76fe24bd90056027adfc7188403e159058a99d4722b18b00e6cfa81c3b7e06bb48fa08549e73224566ce1a11b4e5eae8a9a49008d2e643bcdb0cd7f1180d8412222c3438d9936f1f291d7c9168a505f154ae80ca07690a88df13c98bc600af167e7e2e9e264d9a267c31c629748c71340fea9045160f4c7b468a3c4316fd255b8c0ede28d31b82e6e2f39bf52b078cb9476878b7ef35c1660d019715abad742023e575b0515a6462396359832ed5ca04a757ae4bada6133141ce3393316a0983efd0f91763909a99655c799124e2f1228157aff6dc33aca16f1453233b84a30d170b932f29c112f8daebbe2ba7636fd18de934658637d875342d1b0102bcac127b729f9f8d26d0ed846beab54d320602f98915f073e3206ed37a2f50ff8b52fa5b9e6f1aaf8bb0651e9443671bab7024a07801d78ae2ef570c4dcfd4fbe840e64b01a2ed76f27f6221f28675909167b449e804601093da035dfe64c14f0c04b557a24c518ddc361525bf820fc326ef7499ef367d278687ed50f7ca00366facaa1ff9d81bc624c6b6c58eeef3bccba0b2ecc6192f9ce769750fc20045040c0be100c6502a504d2d5c016737bf3a9c34c5d90f4941f6a3d95a6db8b41fc371e10e887475ee0dea8482f3b63ca5069e16bf26d5731bfee609050c7d8b7d3fffde5b731afe5233145b922f796c4202cb5e9b661ad0e97db9c1de51e5e56613a836f52c75b0cd3ac903553116e0752032530ae9fdc1a5f6600be9d25e6a92f54bd2d495b46439d25335cfb77d832db844a73a31e34a132c18a17abbdbf544c78dcb0117344859823ff670aa4a82f22b137b9f37bfc0291d1f103849a304024ad2cfddb26da6946571ba8800cf87a5ff659c5d5ef4e96f0319dc1de4cedcbd8dcae2386ea244d5f14acbeebc6a097ee52057554faf01aa0209e0a2c29c80070140dec3df21fff2c30b0793928c5369ea0afd5f90819057945ad50d6fcbf3febfeab3b34308ad6f8f90ca558b33e128ab34a6f0f818b98cfe5965cb0d30f952a22cf9a2cd04fe463681ccecf8a772b785cbb926c3ecd2ee87f57b6993c68e17f077ec8180dbcb2244e11cfa41aa69143bdeacdd4cdbc15e734efa452464a911df29b542dae314243690f971454bef8f75e76e532c45aa406d7ff5a5e30ba1bfb25b51bf45c51373d43f107b657a069ca8375f58ea4b9ace915bb52b9ec54b85aed726f611d65e4e4fed0d94a43458523551d4c867c85e1a7786df8d022f208630515ff7fbce0e99fab37efab22835f768fdee82b07079ceb8e0a1d73b8c3f04672506a357f29d789d826c02954912109968f427ace38210869d0f6591f64da375efbf5502dcd21d34cb70fbccf2dab624af5e4ca37a86d5f5177d1b4c5633189857dfc5e9d1347fb0c50f2b5afc24b61e42dee569e7339a2ea0f6dcaef9ed76c390acbaec1317233bb5527dd0ca86c9b3253cc690c91dc1c61e3b89b3f5ca2c861dec3452c2cace48f8d1edfb6109b0b0f5e8db184dfe130b3f9606eed1c82e8f5442e16e2a97de55c811241e4f4da38b10f7b8d916af902c951d62614be01944de2c8cce9b19d59794b1e7417f3a6bb702e10ff3d37c55ae5ad6dff20fc64e9d07266a7ccc02306ead55970b865dd8cad88b90db46e13bb19b2e3ad6a76cfd8534fe05b7f9cafb0eaf514c22bd7e6a18e2c43e62171bba98adbab5a5994b5de36846a7955377e78141250f35189c4d08124c1e49eb4bd53610e855c9a8b0678106e7cdeee750771fc005398656d41838f0ad2f75ea7c36899167d2c8da0325f6fc06bd0768daf6a6353389680263d881c1ef3c3c7c6bab7d11c2c248c4c846b366d880ce3e39ac529173c7bc951e75612c0de54d0c4ec827aec4de1df5b4abdca998b5e016943594d72b8fad61884ef9487b05ce40191fd3d132a5ebad673e1b77927894a538e47148905e0cca5f1cf8f0bc796790f98d2392d9d54beb9119956d44acf207f8b2e6a8cb1c2ae29e3c350b5b52b0260c6fb0635239a2ac450f341c97d156efb9b67ac21793b4dd431534e48de95152c75b57c3daf0116d432d423ed8d615c1656aa8a5425feafeec81aeb730ad70f36def6e60ce283f559ecc9f680a48ed58844689b40b9a7dffa019656f89973e68b50857c19840c6c55b3b3d3f930522126219b8f594fd1bdbeb9c8eeb24b3a089786093b59ac580b6a6d8c84017f1190e9a9f76ee0c8fb4227bedf512b37bfb55132ec3cfacc01df0adb6cd40f2f7b6818cfe8e37da1eda42abd2eebb8f019c131e32516db4da889bd74cdea6036719e56355d5254e027071771a63573d2242b167ff12add24353d6f6e539e4250e3b315e4185f4d698c7c57f0ce744d5b046c622bb3a3e80d537559b410f7e495c09f01b03f27caebaedf2102d9077edc97d48056238c1877189ef50d1202bd471e7057fe64b972479de95f687f461705b846a275fef08ab1b6f4bd9fb2f244dcba9911614c57f84356eb04c8988d422ac797224db9cc4f7daaf9d2d69a42af8e58ece9436e2b8efe241eafc254d647540910864c4b7a90dbafe4430731d027df51d3dcdfac673ab39966738ce05d493b9071871f9a1b9c4cfde1c04afeb145f61dd65e4d0b05f44d538658afcf4dce0a1624ccc32eec8093216f209e6a77b7067e132b81590f609a2f9de67a2cff578976a760a57f809151ddcec73580ecee23fe48591e16698e796c639b72b813cd80c617b5db99085748fd9724c581247c9731b89fa86f049d29ecbeb0177eba7342a739d26afdb1d0b5b1b76410a760b7dbb0a9667d8336a67721ff02e6b48b2a4681620f9f12fdcf631443eb1ef78b0dbd8ec7df74af2c9def60600656f6874e040d3a244fcbc919bae170ded8295e427d2d386e1d43eeffe9a87f5ad62853cfc4fd448840ef8310ada4dc7935863bb8892991e28417272b1f6d893b783a8759f09d2953882e8e786358103ad7407df5a70e203257ce9a317f55d4cba62ab6e85bcf9c2d5d87eef6b7d741e0a185424f38709d0f8712e46253a80927a444b700b24f3247ee47bf58ef3a91920e2d79d0c92ce95d383c43b9925c0fc4e7e2408d073279cb84226ad3d34b8d46174a921893c46927f87291999043e80f4a78889beca68ade077bdf0327ba9d13d2360fc3b8ff894f6f3c21fb0797397a16eeb3dfe826dd8e4960b92c385d5e61a7d1f0c9e022049083b24ebd39ebf160a4bbf7d3e729e154ca14275edb2d0e931eea536796a4b89a1283a7df982ada41ad8e91a96c661878ad7c6cd8e5aade454542fd0a61c732a39b60cf3927a36d232bab853c433ad096a013ca297ffc18125cd976ef5243e4146840c70bca8e2fb75d150a4a4524a92a053e68dce10dbec1b4e988d26749e3bacd1fecc54e1be05266edd0cce0141071429e54c49a3309dd0789496483f12e4b75e8a8cb6b380c922adb03191dc7957d162acb2d832b050f9869d61334fd46715496001423e1a891ed61b202da798ea936f5c84896dd095096c20b2acbd197fc76d618b47198de6ab121448477b580550acd5806a4cd0ee93b9581c325052d5e61834119cc18cce9c9136617837af911391f9bc549336339d11daa004d1b0c711106a004e192d1d22dc4387579e815485c667ffe232b189773eb83a82b11d85fe398077b8430f8032c2c4044e465ead9c4eb869eba585a46d5222502a04aa1da22ab309d071a516773f942469ca53ff90d2564e3307a154e37ab58257a68f93a2ecd1874eb56ccaca5fb035a05d908772195dc0ac0208a7a1a8515e8a2a659e67206949879c97422136e72079bedf1bb74c960c749e39b54b265a25397137e93ad587299b7b49a5ad4540ff0da2d49061d71e388032a998fe3ce03474529a1ff36368ceb3d0930a159ce764fd1dc83d72eceb46073da8808fc432f71fe587ebd3e6805845a5e5f6ae8f08d6403a21c5fd83d0763849ffc08670f2ab0b99c0ecd7a51180e56e2c3b711d0682298e907a30bef1e1be3e4ca8c6f31a67e753d9104d19bd5ac102e22bfd0edf2726bfb09ff2d61e16824a07945618dd42241ae560cde656f38dd7792363845c6e10a7431dbbb876554c455e58e7607082caa044be4b1a737e88b100240287958e6b723d55f42977a94e1b43c677aeb404647004adfb9d5214cca09583dd74da0c16c40a16353e25613fc06f542e26b9c46f7a6281352ae8c8204bf5c985b21956b03a3b7863bbc2174088f73b8f75a12fed5d9c75893cb3024ac31da0fbb3063db900000000d20571b7770553c4907cf314b930cf00ec28223b628c5c30f23ff42833a862ed79762088bccb44ff2d4a413a6d22d4e5ee822bb9cc3209ed40333d52f1886630350b"], &(0x7f00000005c0)=0x2) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f00000000c0)={r1, 0x2}, 0xfffffe73) getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000100), &(0x7f0000000140)=0xb) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000340)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DEST(r0, &(0x7f00000004c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000380)={0xd4, r2, 0x201, 0x70bd26, 0x25dfdbfc, {0x7}, [@IPVS_CMD_ATTR_DEST={0x18, 0x2, [@IPVS_DEST_ATTR_ADDR={0x14, 0x1}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x200}, @IPVS_CMD_ATTR_DAEMON={0x54, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'yam0\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast2={0xff, 0x2, [], 0x1}}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x3}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @multicast2=0xe0000002}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x6}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4}]}, @IPVS_CMD_ATTR_SERVICE={0x44, 0x1, [@IPVS_SVC_ATTR_ADDR={0x14, 0x3}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0xa}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0xa}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@remote={0xfe, 0x80, [], 0xbb}}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x3}]}, 0xd4}, 0x1, 0x0, 0x0, 0x4008000}, 0x50) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f00000001c0)='IPVS\x00') sendmsg$IPVS_CMD_SET_SERVICE(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x90008020}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x60, r3, 0x100, 0x70bd26, 0x25dfdbff, {0x2}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x80000000}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8}, @IPVS_CMD_ATTR_SERVICE={0x38, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e21}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0xa}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e20}, @IPVS_SVC_ATTR_AF={0x8, 0x1}]}, @IPVS_CMD_ATTR_SERVICE={0x4, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x4}, 0x10) sendmmsg(r0, &(0x7f0000003e80)=[{{&(0x7f0000000040)=@in6={0xa, 0x0, 0x3, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c, &(0x7f0000000300), 0x0, &(0x7f0000000340)}}, {{&(0x7f0000000e80)=@ipx={0x4, 0x0, 0x0, "85016dfe9b78"}, 0x10, &(0x7f0000000f80), 0x0, &(0x7f0000002480)}}], 0x2, 0x0) r4 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x40000, 0x0) getdents64(r4, &(0x7f0000000500)=""/35, 0x23) ioctl$GIO_FONT(r4, 0x4b60, &(0x7f0000000600)=""/175) fdatasync(r0) 2018/03/31 21:06:02 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000580)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:06:02 executing program 1 (fault-call:6 fault-nth:32): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:02 executing program 2: r0 = syz_open_dev$tun(&(0x7f00000014c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={"d202b999cf85000000000088f301e710", 0x102}) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000000000)={'syzkaller0\x00', 0x400}) r1 = syz_open_dev$tun(&(0x7f0000000280)='/dev/net/tun\x00', 0x0, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000238ff8)=@abs, 0x6e, &(0x7f0000000240)=[{&(0x7f0000001440)}], 0x1, &(0x7f00000005c0)}, 0x0) ioctl$TUNATTACHFILTER(r0, 0x401054d5, &(0x7f0000000180)={0x1, &(0x7f00000001c0)=[{}]}) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={"d202b999cf85000000000088f301e710", 0x102}) r2 = socket$kcm(0x29, 0x2, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000040), &(0x7f0000000080)=0xc) 2018/03/31 21:06:02 executing program 3: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000400)="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", 0xfffffffffffffed0) 2018/03/31 21:06:02 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='mounts\x00') mount(&(0x7f0000000040)='.', &(0x7f00000000c0)='.', &(0x7f0000000000)='ramfs\x00', 0x8414, &(0x7f0000000040)) readlinkat(r0, &(0x7f0000000080)='.', &(0x7f0000000100)=""/111, 0x6f) preadv(r0, &(0x7f00000023c0)=[{&(0x7f00000012c0)=""/4096, 0x1000}], 0x1, 0x0) 2018/03/31 21:06:02 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x40280, 0x0) ioctl$KDGKBLED(r1, 0x4b64, &(0x7f00000000c0)) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) r2 = syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) ioctl$sock_inet_tcp_SIOCINQ(r2, 0x541b, &(0x7f0000000100)) [ 882.428604] FAULT_INJECTION: forcing a failure. [ 882.428604] name failslab, interval 1, probability 0, space 0, times 0 [ 882.439995] CPU: 1 PID: 22461 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 882.447361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 882.456726] Call Trace: [ 882.459315] dump_stack+0x194/0x24d [ 882.462951] ? arch_local_irq_restore+0x53/0x53 [ 882.467624] ? __save_stack_trace+0x7e/0xd0 [ 882.471952] should_fail+0x8c0/0xa40 [ 882.475670] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 882.480775] ? kasan_kmalloc+0xad/0xe0 [ 882.484661] ? kmem_cache_alloc_node_trace+0x150/0x760 [ 882.489937] ? alloc_fair_sched_group+0x267/0x530 [ 882.494781] ? sched_create_group+0x35/0x70 [ 882.499106] ? cpu_cgroup_css_alloc+0xe/0x30 [ 882.503584] ? vfs_mkdir+0x390/0x600 [ 882.507295] ? SyS_mkdirat+0x22b/0x2b0 [ 882.511185] ? do_fast_syscall_32+0x3ec/0xf9f [ 882.515687] ? find_held_lock+0x35/0x1d0 [ 882.519753] ? __lock_is_held+0xb6/0x140 [ 882.523851] ? check_same_owner+0x320/0x320 2018/03/31 21:06:02 executing program 3: r0 = open(&(0x7f0000000080)='./file0\x00', 0x282480, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2f, &(0x7f00000000c0)={0x9, {{0xa, 0x4e22, 0x6, @dev={0xfe, 0x80, [], 0x15}}}, {{0xa, 0x4e20, 0x0, @dev={0xfe, 0x80, [], 0xc}, 0x7ff}}}, 0x104) r1 = socket$inet(0x2, 0x8080a, 0x0) socket$inet(0x2, 0x8080a, 0x7) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) getsockopt$sock_buf(r1, 0x1, 0x1c, &(0x7f0000000000), &(0x7f0000000040)) 2018/03/31 21:06:02 executing program 0: ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f00000001c0)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000380)='net/wireless\x00') fgetxattr(r1, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f00000000c0)='bridge0\x00') ioctl$KVM_GET_SUPPORTED_CPUID(r1, 0xc008ae05, &(0x7f0000000000)=""/181) 2018/03/31 21:06:03 executing program 5: syz_emit_ethernet(0x7a, &(0x7f0000000040)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaaaa86dd601c7d7600442c00fe8000000000000000000000000000aafe8000000000000000000000000000aa0420880b0000000000000800000086dd080088be00000000100000005507000000000000080022eb00000000200000000200000000000000000000000800655800000000"], &(0x7f00000000c0)) r0 = syz_fuseblk_mount(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='./file0\x00', 0x8000, 0xffffffffffffffff, 0x0, 0x77, 0x7, 0x3e9460) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000180)={0xffffffffffffffff}) r2 = dup3(r1, r0, 0x80000) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(r2, 0xc0045540, &(0x7f0000000000)=0x7) [ 882.528177] ? rcu_note_context_switch+0x710/0x710 [ 882.533117] should_failslab+0xec/0x120 [ 882.537093] kmem_cache_alloc_node_trace+0x5a/0x760 [ 882.542213] ? unregister_fair_sched_group+0x5e0/0x5e0 [ 882.547490] ? find_next_bit+0xcc/0x100 [ 882.551472] alloc_fair_sched_group+0x1f0/0x530 [ 882.556343] sched_create_group+0x35/0x70 [ 882.560519] cpu_cgroup_css_alloc+0xe/0x30 [ 882.564762] cgroup_apply_control_enable+0x44d/0xbc0 [ 882.569875] ? cgroup_propagate_control+0x570/0x570 [ 882.574910] ? css_populate_dir+0x289/0x420 [ 882.579238] cgroup_mkdir+0x56f/0xfc0 [ 882.583036] ? __lock_is_held+0xb6/0x140 [ 882.587105] ? cgroup_destroy_locked+0x750/0x750 [ 882.591859] ? rcu_read_lock_sched_held+0x108/0x120 [ 882.596900] ? kmem_cache_free+0x258/0x2a0 [ 882.601195] ? set_nlink+0xc1/0x160 [ 882.604820] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 882.609746] ? generic_permission+0x105/0x3c0 [ 882.614242] ? cgroup_destroy_locked+0x750/0x750 [ 882.618998] kernfs_iop_mkdir+0x153/0x1e0 [ 882.623150] vfs_mkdir+0x390/0x600 [ 882.626691] SyS_mkdirat+0x22b/0x2b0 [ 882.630407] ? SyS_mknod+0x480/0x480 [ 882.634123] ? do_fast_syscall_32+0x156/0xf9f [ 882.638618] ? SyS_mknod+0x480/0x480 [ 882.642335] do_fast_syscall_32+0x3ec/0xf9f [ 882.646665] ? do_int80_syscall_32+0x9c0/0x9c0 [ 882.651242] ? _raw_spin_unlock_irq+0x27/0x70 [ 882.655728] ? finish_task_switch+0x1c1/0x7e0 [ 882.660221] ? syscall_return_slowpath+0x2ac/0x550 [ 882.665145] ? prepare_exit_to_usermode+0x350/0x350 [ 882.670173] ? sysret32_from_system_call+0x5/0x3c [ 882.675015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 882.679858] entry_SYSENTER_compat+0x70/0x7f [ 882.684261] RIP: 0023:0xf7faec99 [ 882.687616] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 882.695581] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 882.702845] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 882.710106] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 882.717365] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 882.724628] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 882.747994] QAT: Invalid ioctl 2018/03/31 21:06:03 executing program 4: r0 = syz_open_dev$usbmon(&(0x7f0000fd0ff3)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r0, 0x9205, &(0x7f0000dde000)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r0, 0xc02c5341, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x4e24, @broadcast=0xffffffff}}, [0x3, 0x6, 0x6, 0xfff, 0x1, 0x81, 0x0, 0x58, 0xd72, 0x8, 0x1, 0x8001, 0xa12f, 0x5, 0xffffffffffff0000]}, &(0x7f0000000180)=0x100) setsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f00000001c0)={r1, @in={{0x2, 0x4e20}}}, 0x84) ioctl$void(r0, 0x0) 2018/03/31 21:06:03 executing program 7: r0 = socket$inet6(0xa, 0x6, 0x0) r1 = socket(0xb, 0x5, 0xb2) getsockopt$netrom_NETROM_T2(r1, 0x103, 0x2, &(0x7f0000000000)=0x6, &(0x7f0000000040)=0x4) bind$inet6(r0, &(0x7f0000000140)={0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}}, 0x1c) [ 882.772672] QAT: Invalid ioctl 2018/03/31 21:06:03 executing program 3: r0 = socket$inet6(0xa, 0x8000000000000802, 0x0) syz_mount_image$hfs(&(0x7f00000001c0)='hfs\x00', &(0x7f0000000200)='./file0\x00', 0x6, 0x3, &(0x7f0000000340)=[{&(0x7f0000000240), 0x0, 0x5}, {&(0x7f0000000280), 0x0, 0x2800000}, {&(0x7f00000002c0)="661a0bd3054990da33485f0b8c7e3f585264ac619b401187d0cd1b0b5b396a53b617531065b8c6f2cdad39ff76a0409442854512a403a0f02769448fb636ad306782ce07cafb67b4fc2d", 0x4a}], 0x2800, &(0x7f0000000380)={[{@umask={'umask', 0x3d, [0x30, 0x31, 0x31, 0x34, 0x36]}, 0x2c}, {@session={'session', 0x3d, [0x31, 0x3d, 0x7d, 0x37]}, 0x2c}, {@type={'type', 0x3d, "18538d26"}, 0x2c}, {@type={'type', 0x3d, "b2b7ecaa"}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp866'}, 0x2c}, {@part={'part', 0x3d, [0x33, 0x37, 0x31, 0x3f, 0x34, 0x31]}, 0x2c}, {@file_umask={'file_umask', 0x3d}, 0x2c}, {@part={'part', 0x3d, [0x34]}, 0x2c}]}) sendmsg$inet_sctp(r0, &(0x7f0000000080)={&(0x7f0000000000)=@in6={0xa, 0x4e21, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c, &(0x7f0000001280)}, 0x8000) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x600000, 0x0) setsockopt$inet_dccp_int(r1, 0x21, 0x11, &(0x7f0000000100)=0x101, 0x4) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000140)={0x8, 0x29000000000, 0x101, 0x3000, 0x1}, 0x14) setsockopt$netrom_NETROM_N2(r1, 0x103, 0x3, &(0x7f0000000180)=0x400, 0x4) setsockopt$inet6_IPV6_ADDRFORM(r0, 0x29, 0x1, &(0x7f0000000040)=0x2, 0x4) 2018/03/31 21:06:03 executing program 1 (fault-call:6 fault-nth:33): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) [ 882.873267] FAULT_INJECTION: forcing a failure. [ 882.873267] name failslab, interval 1, probability 0, space 0, times 0 [ 882.884582] CPU: 0 PID: 22494 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 882.891944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 882.901300] Call Trace: [ 882.903890] dump_stack+0x194/0x24d [ 882.907526] ? arch_local_irq_restore+0x53/0x53 [ 882.912221] should_fail+0x8c0/0xa40 [ 882.915949] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 882.921059] ? kasan_kmalloc+0xad/0xe0 [ 882.924947] ? kmem_cache_alloc_node_trace+0x150/0x760 [ 882.930230] ? alloc_fair_sched_group+0x1f0/0x530 [ 882.935074] ? cpu_cgroup_css_alloc+0xe/0x30 [ 882.939488] ? vfs_mkdir+0x390/0x600 [ 882.943209] ? SyS_mkdirat+0x22b/0x2b0 [ 882.947106] ? do_fast_syscall_32+0x3ec/0xf9f [ 882.951621] ? find_held_lock+0x35/0x1d0 [ 882.955697] ? __lock_is_held+0xb6/0x140 [ 882.959778] ? check_same_owner+0x320/0x320 [ 882.964112] ? rcu_note_context_switch+0x710/0x710 [ 882.969060] should_failslab+0xec/0x120 2018/03/31 21:06:03 executing program 5: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) r1 = gettid() r2 = dup(r0) listen$netrom(r2, 0x7) readv(r2, &(0x7f00003c2000)=[{&(0x7f0000000100)=""/209, 0x84}], 0x20000000000002e6) readv(r2, &(0x7f0000000600)=[{&(0x7f0000000200)=""/80, 0x50}, {&(0x7f0000000280)=""/124, 0x7c}, {&(0x7f0000000300)=""/150, 0x96}, {&(0x7f00000003c0)=""/126, 0x7e}, {&(0x7f0000000440)=""/108, 0x6c}, {&(0x7f00000004c0)=""/38, 0x26}, {&(0x7f0000000500)=""/239, 0xef}], 0x7) timer_create(0x0, &(0x7f0000ee4000)={0x0, 0x1a}, &(0x7f0000000780)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000ee6fe0)) getsockname$netlink(r2, &(0x7f0000000740), &(0x7f00000007c0)=0xc) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2000005, 0x32, 0xffffffffffffffff, 0x0) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x80, 0x0) ioctl$KVM_SET_GUEST_DEBUG(r3, 0x4048ae9b, &(0x7f0000000080)={0x0, 0x0, [0x7, 0x7, 0x400, 0x88c, 0x100000000, 0x800, 0x7ff, 0x4]}) getsockopt$inet_sctp_SCTP_CONTEXT(r3, 0x84, 0x11, &(0x7f0000000680)={0x0, 0x39ae}, &(0x7f00000006c0)=0x8) r5 = openat$dsp(0xffffffffffffff9c, &(0x7f00000008c0)='/dev/dsp\x00', 0xabb05df6e53d88ee, 0x0) setsockopt$packet_tx_ring(r5, 0x107, 0xd, &(0x7f0000000900)=@req={0x78, 0xfc, 0x2, 0x3ff}, 0x10) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000700)={r4, 0x6, 0x4}, 0x8) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x341000, 0x0) ioctl$KVM_X86_SETUP_MCE(r6, 0x4008ae9c, &(0x7f0000000640)={0x1f, 0x4, 0x7a}) tkill(r1, 0x1000000000016) [ 882.973048] kmem_cache_alloc_node_trace+0x5a/0x760 [ 882.978074] ? unregister_fair_sched_group+0x5e0/0x5e0 [ 882.983360] ? find_next_bit+0xcc/0x100 [ 882.987347] alloc_fair_sched_group+0x267/0x530 [ 882.992037] sched_create_group+0x35/0x70 [ 882.996201] cpu_cgroup_css_alloc+0xe/0x30 [ 883.000447] cgroup_apply_control_enable+0x44d/0xbc0 [ 883.005577] ? cgroup_propagate_control+0x570/0x570 [ 883.010615] ? css_populate_dir+0x289/0x420 [ 883.014953] cgroup_mkdir+0x56f/0xfc0 [ 883.018755] ? __lock_is_held+0xb6/0x140 [ 883.022835] ? cgroup_destroy_locked+0x750/0x750 [ 883.027593] ? rcu_read_lock_sched_held+0x108/0x120 [ 883.032611] ? kmem_cache_free+0x258/0x2a0 [ 883.036852] ? set_nlink+0xc1/0x160 [ 883.040485] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 883.045410] ? generic_permission+0x105/0x3c0 [ 883.049910] ? cgroup_destroy_locked+0x750/0x750 [ 883.054674] kernfs_iop_mkdir+0x153/0x1e0 [ 883.058842] vfs_mkdir+0x390/0x600 [ 883.062393] SyS_mkdirat+0x22b/0x2b0 [ 883.066114] ? SyS_mknod+0x480/0x480 [ 883.069837] ? do_fast_syscall_32+0x156/0xf9f [ 883.074333] ? SyS_mknod+0x480/0x480 [ 883.078051] do_fast_syscall_32+0x3ec/0xf9f [ 883.082383] ? do_int80_syscall_32+0x9c0/0x9c0 [ 883.086971] ? finish_task_switch+0x1c1/0x7e0 [ 883.091476] ? syscall_return_slowpath+0x2ac/0x550 [ 883.096411] ? prepare_exit_to_usermode+0x350/0x350 [ 883.101424] ? sysret32_from_system_call+0x5/0x3c [ 883.106255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 883.111100] entry_SYSENTER_compat+0x70/0x7f [ 883.115490] RIP: 0023:0xf7faec99 [ 883.118836] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 883.126527] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 883.133778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 883.141032] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 883.148283] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 883.155533] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/03/31 21:06:04 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") getsockopt$inet_sctp6_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000000), &(0x7f0000000040)=0x8) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:06:04 executing program 5: perf_event_open(&(0x7f0000348f88)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0x10, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f0000504000)={&(0x7f0000c27000)={0x10}, 0xc, &(0x7f0000434ff0)={&(0x7f0000fe7000)=ANY=[@ANYBLOB="7c00000010000904000000000000000000000000", @ANYRES32=0x0, @ANYBLOB="00000000000000025c0012005800010073656c696e7578766d6e6574302d7b70726f63fb47504c2d7365eec0e811dc515e453573756d76626f786e6574306d696d655f7479706576626f786e6574307d47504c282c2a7070703074727573746564000000"], 0x7c}, 0x1}, 0x0) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000080)={r1, r2/1000+30000}, 0x8) 2018/03/31 21:06:04 executing program 7: openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x40, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/kcm\x00\b\x00') r1 = socket$kcm(0x29, 0x2, 0x0) ioctl$int_in(r1, 0x5452, &(0x7f0000000180)=0xffffffffffffffff) sendfile(r1, r0, &(0x7f0000301ff8), 0xffffffff) ioctl$KVM_SET_VCPU_EVENTS(r0, 0x4040aea0, &(0x7f0000000040)={0x54f9, 0x80000000, 0x5, 0x0, 0x3, 0x3, 0xffffffffffffffff, 0x80, 0x9, 0x3, 0x5, 0x401, 0x0, 0x0, 0x4, 0x3, 0x5, 0x3, 0x101}) 2018/03/31 21:06:04 executing program 4: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r0, &(0x7f00000018c0)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000001880)={0xffffffff}, 0x13f}}, 0x20) write$rdma_cm(r0, &(0x7f0000000340)=@set_option={0xe, 0x18, 0xfa00, @id_afonly={&(0x7f0000000000), r1, 0x0, 0x2, 0x4}}, 0x1b6) write$rdma_cm(r0, &(0x7f0000000100)=@bind_ip={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, r1}}, 0x30) 2018/03/31 21:06:04 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) r1 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x109000) getpeername$unix(r1, &(0x7f00000000c0)=@abs, &(0x7f0000000180)=0x6e) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:06:04 executing program 2: mmap(&(0x7f0000000000/0xe62000)=nil, 0xe62000, 0x1000004, 0x400000000032, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x400000, 0x0) connect$rds(r1, &(0x7f0000000080)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) getsockopt$ARPT_SO_GET_ENTRIES(r0, 0x0, 0x61, &(0x7f0000000040)={'filter\x00'}, &(0x7f0000000100)=0x24) 2018/03/31 21:06:04 executing program 3: exit(0x0) r0 = syz_open_dev$sndpcmc(&(0x7f0000000080)='/dev/snd/pcmC#D#c\x00', 0x1ff, 0x40) openat$cgroup_ro(r0, &(0x7f00000000c0)='cpuset.effective_mems\x00', 0x0, 0x0) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{}, {0x0, 0x9}}, &(0x7f0000040000)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='memory.stat\x00', 0x0, 0x0) ioctl$KVM_GET_CPUID2(r1, 0xc008ae91, &(0x7f0000000040)={0x1, 0x0, [{}]}) 2018/03/31 21:06:04 executing program 1 (fault-call:6 fault-nth:34): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) [ 883.928267] FAULT_INJECTION: forcing a failure. [ 883.928267] name failslab, interval 1, probability 0, space 0, times 0 [ 883.939570] CPU: 1 PID: 22514 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 883.947024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 883.956375] Call Trace: [ 883.958995] dump_stack+0x194/0x24d [ 883.962651] ? arch_local_irq_restore+0x53/0x53 [ 883.967331] should_fail+0x8c0/0xa40 [ 883.971051] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 883.976172] ? find_held_lock+0x35/0x1d0 [ 883.980239] ? __lock_is_held+0xb6/0x140 [ 883.984315] ? check_same_owner+0x320/0x320 [ 883.988640] ? rcu_note_context_switch+0x710/0x710 [ 883.993583] should_failslab+0xec/0x120 [ 883.997993] __kmalloc_track_caller+0x5f/0x760 [ 884.002585] ? string+0x180/0x200 [ 884.006038] ? kstrdup_const+0x39/0x50 [ 884.009955] kstrdup+0x39/0x70 [ 884.013154] kstrdup_const+0x39/0x50 [ 884.016870] __kernfs_new_node+0xa2/0x570 [ 884.021019] ? kernfs_dop_revalidate+0x380/0x380 [ 884.025783] ? snprintf+0xc0/0xf0 [ 884.029240] ? vsprintf+0x40/0x40 [ 884.032693] ? rq_clock+0x90/0x90 [ 884.036152] kernfs_new_node+0x80/0xe0 [ 884.040038] __kernfs_create_file+0x4b/0x320 [ 884.044450] cgroup_addrm_files+0x3c5/0xa70 [ 884.048782] ? cgroup_file_write+0x710/0x710 [ 884.053192] ? cpu_cgroup_css_alloc+0x30/0x30 [ 884.057737] ? __lock_is_held+0xb6/0x140 [ 884.061806] ? sched_online_group+0x4e0/0x4e0 [ 884.066311] ? cpu_cgroup_css_online+0x3a/0x50 [ 884.070901] ? online_css+0x224/0x2e0 [ 884.074709] css_populate_dir+0x198/0x420 2018/03/31 21:06:04 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x15) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000040)={{{@in=@broadcast, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in=@loopback}}, &(0x7f0000000140)=0xe8) sendmsg$nl_route(r0, &(0x7f0000000280)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB="4c0000001d00000228bd7000fbdbdf2507000000", @ANYRES32=r1, @ANYBLOB="01001a051f00000002000000140003005effffffff0600000000800000140003000100008000800000ff000000fcffffff000000"], 0x4c}, 0x1, 0x0, 0x0, 0x810}, 0xd1) r2 = eventfd2(0x4, 0x80000) r3 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") pwrite64(r2, &(0x7f00000003c0)="fd1713bc05be8ee411d79623b0c48c9bfcc7793f9a9d09a8d8d688c07f0e0b4ba0e9068b3b74658ae1cf09ab0c15ce0bcd7c9d58362823d05e2d2ca0a7572a15ddd955a83a601c13c5284693cb4952ad67e8fbef44d2d46d146aab8cb961084b87aa9a347452b6041a451a4b23a1bfb4c270945f23a0bf380962d5597f4ad5f4a6b5bc17b59c3d93f7b5caadf77cc0266d8fe4fe6664df580611ff2fdcb82948d397e0b47821c12866da05a99d5d7e4b94bd818c", 0xb4, 0x0) setsockopt$inet6_mreq(r3, 0x29, 0x1b, &(0x7f0000000380)={@empty, r1}, 0x14) fgetxattr(r3, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:06:04 executing program 2: r0 = socket$key(0xf, 0x3, 0x2) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x212801, 0x0) sendmsg$key(r0, &(0x7f00005f5000)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f000080e000)=ANY=[@ANYBLOB="020e000014000000000000000000000005000600000000000a00000000000000000000000000000000000000000000000000000000000000080012000200020000000000000000001f00000002010000000000000000000002000000000000000000000000000000ac14000000000000000000000000000005000500000000000a00000000000000fe8000000000000000000000000000ff0000000000000000"], 0xfffffffffffffe35}, 0x1}, 0x0) 2018/03/31 21:06:04 executing program 4: r0 = dup3(0xffffffffffffffff, 0xffffffffffffff9c, 0x80000) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000040)) r1 = socket$key(0xf, 0x3, 0x2) setsockopt$inet6_opts(r0, 0x29, 0x36, &(0x7f0000000240)=@routing={0x2b, 0x4, 0x2, 0x4, 0x0, [@ipv4={[], [0xff, 0xff]}, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}]}, 0x28) perf_event_open(&(0x7f0000d2af88)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmsg$key(r1, &(0x7f0000f56000)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000080)={0x2, 0x3, 0x0, 0x9, 0x29, 0x0, 0x0, 0x0, [@sadb_x_nat_t_type={0x1, 0x14, 0x7f}, @sadb_address={0x5, 0x6, 0x0, 0x0, 0x0, @in6={0xa}}, @sadb_sa={0x2, 0x1, 0x0, 0x0, 0x0, 0x0, 0x2}, @sadb_key={0x1f, 0x9, 0x750, 0x0, "43dbd0dff711c0b3752cc8875cc43d037dc8c301c56a895e39fa3a89e3c772a8a12a3badd3b6d080c6d4a3f30b1c13af168036eff87cc8b6842736518134afa14d589ba3602e056dce8676deb8d9b26f5d79f50b59b28c446e4602955e1221c7c70af1d1ac504a3dd67d051766d82d27eb91d84e040d1bbf6e13511258cacef4944ac505a2785542b6bb8344eaf38378f188aea225cad3c584cd6be1fdcb7ee9f8e9cdc44aea86443fbb69acf021953e3bab903f1e3f71ec6c1e853031c6f169da68a57481ea01cb9ad00da288cb3f853ce1e5da17d805e08c1656d7fadf9e85f879e47e35e4d33cd756"}]}, 0x148}, 0x1}, 0x0) [ 884.078865] cgroup_apply_control_enable+0x390/0xbc0 [ 884.083980] ? cgroup_propagate_control+0x570/0x570 [ 884.089005] ? css_populate_dir+0x289/0x420 [ 884.093329] cgroup_mkdir+0x56f/0xfc0 [ 884.097129] ? __lock_is_held+0xb6/0x140 [ 884.101193] ? cgroup_destroy_locked+0x750/0x750 [ 884.105949] ? rcu_read_lock_sched_held+0x108/0x120 [ 884.110968] ? kmem_cache_free+0x258/0x2a0 [ 884.115201] ? set_nlink+0xc1/0x160 [ 884.118827] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 884.123755] ? generic_permission+0x105/0x3c0 [ 884.128424] ? cgroup_destroy_locked+0x750/0x750 [ 884.133201] kernfs_iop_mkdir+0x153/0x1e0 [ 884.137348] vfs_mkdir+0x390/0x600 [ 884.140891] SyS_mkdirat+0x22b/0x2b0 [ 884.144606] ? SyS_mknod+0x480/0x480 [ 884.148317] ? do_fast_syscall_32+0x156/0xf9f [ 884.152808] ? SyS_mknod+0x480/0x480 [ 884.156522] do_fast_syscall_32+0x3ec/0xf9f [ 884.160844] ? do_int80_syscall_32+0x9c0/0x9c0 [ 884.165424] ? _raw_spin_unlock_irq+0x27/0x70 [ 884.169919] ? finish_task_switch+0x1c1/0x7e0 [ 884.174417] ? syscall_return_slowpath+0x2ac/0x550 2018/03/31 21:06:04 executing program 5: r0 = epoll_create1(0x0) mknod(&(0x7f0000000300)='./file0\x00', 0x103e, 0x0) r1 = open$dir(&(0x7f00004be000)='./file0\x00', 0x80000880, 0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f00004ffff4)) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000340)={0x0, @in6={{0xa, 0x4e20, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x3}}, 0x9, 0x6, 0x5, 0xa781, 0xc92}, &(0x7f0000000400)=0x98) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000440)={r2, 0x1, 0x30}, 0xc) r3 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, 0xfffffffffffffff8) r4 = dup2(r1, r1) getresuid(&(0x7f0000000200)=0x0, &(0x7f0000000240), &(0x7f0000000280)) ioctl$TUNSETOWNER(r4, 0x400454cc, r5) add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000080)="cd2d16ce875aa9a501b72ed5efb8a853ec7b4284688c37388bc6057e74e48da51e70266d2b2b12117c7d7801f322e463c7f5a4bd40e96ea2672184d4bf2fbf8ca89985ccfbde3a577097986836c07e5ed0e156fd9c0365f0199de6814fc0acea7271700dadd8cfb363eeeaf9407057f477c6c12a4df6de0c527315e6f96d0f6788a98b3e231b02e7ded9e0ece2b64c0fd30603e0bb1fd9ea8235f345045a51785d7ff245c479100200ba9801ff20e07118e2626f5b033a3ca9ddd7d0b7628ed6c57e333fba9a893437ee7ff1613f4addb571e49448bc1fd55d50eca977ebc182ece0c1cd4a9f029e2856d9a37107", 0xee, r3) creat(&(0x7f00007dc000)='./file0\x00', 0x0) setsockopt$inet_udp_encap(r4, 0x11, 0x64, &(0x7f00000002c0)=0x5, 0x4) 2018/03/31 21:06:04 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) ioctl$DRM_IOCTL_MODE_GETCRTC(r0, 0xc06864a1, &(0x7f0000000380)={&(0x7f00000001c0)=[0x3ff, 0x1f, 0x100000000, 0x2], 0x4, 0x4, 0x2, 0xffffffffffffffff, 0x3, 0xfff, {0x200000000, 0x3f, 0x7, 0x1f, 0xce, 0x7, 0x3, 0x4, 0x7, 0x9, 0x80, 0x3, 0xb0, 0x3, "aa9674c21e187c56a8f9615094f3c7b72bc1fe663d26d359c2ffafeb006a46a1"}}) ioctl$DRM_IOCTL_RES_CTX(r0, 0xc0086426, &(0x7f0000000040)={0x2, &(0x7f0000000000)=[{}, {0x0}]}) ioctl$DRM_IOCTL_DMA(r0, 0xc0286429, &(0x7f0000000180)={r1, 0x5, &(0x7f0000000080)=[0x0, 0x1f, 0xfffffffffffffff7, 0x7fffffff, 0x2871], &(0x7f00000000c0)=[0x5], 0x14, 0x2, 0xffffffffffffff2f, &(0x7f0000000100)=[0x8, 0x5], &(0x7f0000000140)=[0x400, 0xffff, 0x4, 0x6, 0x2]}) [ 884.179341] ? prepare_exit_to_usermode+0x350/0x350 [ 884.184354] ? sysret32_from_system_call+0x5/0x3c [ 884.189195] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 884.194043] entry_SYSENTER_compat+0x70/0x7f [ 884.198441] RIP: 0023:0xf7faec99 [ 884.201797] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 884.209502] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 884.216767] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 884.224034] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 884.231300] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 884.238584] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 884.246056] cgroup: cgroup_addrm_files: failed to add weight, err=-12 2018/03/31 21:06:04 executing program 7: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x24e000)=nil, 0x24e000, 0x3, 0x31, 0xffffffffffffffff, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f00000002c0)={0x18, 0x0, {0x4, @random='bh\tVNC', 'ifb0\x00'}}, 0x1e) futex(&(0x7f0000000040)=0x4, 0x0, 0x0, &(0x7f0000000000)={0x77359400}, &(0x7f0000000080), 0x0) r1 = gettid() timer_create(0x0, &(0x7f00005b6000)={0x0, 0x12}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffffff, 0xc0086426, &(0x7f0000000380)={0xa, &(0x7f0000000300)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}]}) ioctl$DRM_IOCTL_LOCK(0xffffffffffffffff, 0x4008642a, &(0x7f00000003c0)={r2, 0x4}) tkill(r1, 0x1000000000016) futex(&(0x7f000000cffc), 0x800000000005, 0x0, &(0x7f000000b000)={0x77359400}, &(0x7f0000000040), 0x0) r3 = syz_open_procfs(r1, &(0x7f0000000280)='attr/fscreate\x00') getsockopt$kcm_KCM_RECV_DISABLE(r3, 0x119, 0x1, &(0x7f00000004c0), 0x4) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(0xffffffffffffffff, 0x84, 0x7, &(0x7f0000000440), &(0x7f0000000480)=0x4) setsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000400)=0xce8, 0x4) setsockopt$SO_TIMESTAMPING(r3, 0x1, 0x25, &(0x7f0000000640), 0x4) fstat(r0, &(0x7f00000000c0)) r4 = syz_genetlink_get_family_id$fou(&(0x7f0000000540)='fou\x00') sendmsg$FOU_CMD_DEL(r3, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x4c004}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x24, r4, 0x506, 0x70bd2c, 0x25dfdbfb, {0x2}, [@FOU_ATTR_AF={0x8, 0x2, 0xa}, @FOU_ATTR_PORT={0x8, 0x1, 0x4e20}]}, 0x24}, 0x1}, 0x4000084) getsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000000140)=""/230, &(0x7f0000000240)=0xe6) mremap(&(0x7f00003fb000/0x400000)=nil, 0x400000, 0x800000, 0x3, &(0x7f00007fb000/0x800000)=nil) 2018/03/31 21:06:04 executing program 4: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000001200)='/dev/audio\x00', 0x80, 0x0) getsockopt$ARPT_SO_GET_INFO(r0, 0x0, 0x60, &(0x7f0000001240)={'filter\x00'}, &(0x7f00000012c0)=0x44) r1 = socket$netlink(0x10, 0x3, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = socket(0xa, 0x2, 0x0) bind$inet6(r2, &(0x7f0000236fe4)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x1}, 0x1c) setsockopt$inet_mreq(r2, 0x0, 0x20, &(0x7f0000bf9000)={@dev={0xac, 0x14}, @loopback=0x7f000001}, 0x8) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'bridge0\x00', 0x0}) r4 = syz_open_dev$sndpcmp(&(0x7f0000000100)='/dev/snd/pcmC#D#p\x00', 0x3, 0x20000) ioctl$VT_OPENQRY(r4, 0x5600, &(0x7f0000000140)) sendmsg$nl_route(r1, &(0x7f000001bfc8)={&(0x7f0000db4000)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000001300)=ANY=[@ANYBLOB="400000001400190100000000000000000a000000", @ANYRES32=r3, @ANYBLOB="14040200fe8000000000000684de5200000000000000001400060000000000feffffff0000000000000000f4a627a3786431576bbe8cc1d1a0f060c2ffbf59d27f982a97f7ff9f6f8c88c26fe730de8478a4fd9930c28a1481bfc38e91856918ead6ab3672d55ef9b26c97acece5f39cdc8f10af4a10ee0f65d2af778a74bab9822b267725ee72939011310249a2b2b0afc79f2d43c6806b7788f57b3d0425d16bd5e92da7404bc258561536f7606f67f8c4955cacc041730f52a06fc8c0bbe8eacb47a898a609c1cfe76ffa17753eb12edf05d8797abf34368af8c546105dd2deeacdcb5188a6361e37d8d5b208d5ddb1adee853cb3"], 0x40}, 0x1}, 0x0) r5 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vga_arbiter\x00', 0x381c00, 0x0) getsockname(r2, &(0x7f0000001440)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000040)=0x80) ioctl$sock_inet_SIOCSIFBRDADDR(r4, 0x891a, &(0x7f00000011c0)={'teql0\x00', {0x2, 0x4e24, @loopback=0x7f000001}}) ioctl$EVIOCGMTSLOTS(r5, 0x8040450a, &(0x7f00000001c0)=""/4096) [ 884.377637] netlink: 40 bytes leftover after parsing attributes in process `syz-executor4'. [ 884.397856] netlink: 40 bytes leftover after parsing attributes in process `syz-executor4'. 2018/03/31 21:06:05 executing program 2: r0 = socket$key(0xf, 0x3, 0x2) clock_gettime(0x0, &(0x7f0000000800)={0x0, 0x0}) recvmmsg(r0, &(0x7f00000007c0)=[{{&(0x7f00000000c0)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @remote}}}, 0x80, &(0x7f0000000380)=[{&(0x7f0000000140)=""/142, 0x8e}, {&(0x7f0000000200)=""/27, 0x1b}, {&(0x7f0000000240)=""/2, 0x2}, {&(0x7f0000000280)=""/180, 0xb4}, {&(0x7f0000000340)=""/27, 0x1b}], 0x5, &(0x7f00000003c0)=""/58, 0x3a, 0xffff}, 0x81}, {{&(0x7f0000000400)=@in={0x0, 0x0, @remote}, 0x80, &(0x7f0000000780)=[{&(0x7f0000000480)=""/120, 0x78}, {&(0x7f0000000500)=""/211, 0xd3}, {&(0x7f0000000600)=""/68, 0x44}, {&(0x7f0000000680)=""/107, 0x6b}, {&(0x7f0000000700)=""/33, 0x21}, {&(0x7f0000000740)=""/7, 0x7}], 0x6, 0x0, 0x0, 0x7}, 0xe53}], 0x2, 0x10000, &(0x7f0000000840)={r1, r2+30000000}) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000040)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw-serpent-avx2\x00'}, 0x58) setsockopt$ALG_SET_KEY(r4, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0311cfc093a52a7d86bd1", 0x10) r5 = accept4$alg(r4, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r3, 0x84, 0x7b, &(0x7f0000000880)={0x0, 0x7}, &(0x7f00000008c0)=0x8) setsockopt$inet_sctp_SCTP_ASSOCINFO(r3, 0x84, 0x1, &(0x7f0000000900)={r6, 0x101, 0xff, 0x7f, 0x1f0, 0x100000000}, 0x14) sendmsg$alg(r5, &(0x7f0000001440)={0x0, 0x0, &(0x7f00000013c0), 0x281, &(0x7f0000000000)=[@op={0x10, 0x117, 0x3}], 0x10}, 0x0) recvmmsg(r5, &(0x7f0000006880)=[{{&(0x7f00000013c0)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @dev}}}, 0x80, &(0x7f0000005840)=[{&(0x7f0000005680)=""/222, 0xde}, {&(0x7f00000057c0)=""/106, 0x6a}], 0x2, &(0x7f0000005880)=""/4096, 0x1000}}], 0x1, 0x0, 0x0) 2018/03/31 21:06:05 executing program 1 (fault-call:6 fault-nth:35): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:05 executing program 5: perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet(0xffffffffffffffff, &(0x7f0000e5b000)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) r0 = dup2(0xffffffffffffffff, 0xffffffffffffff9c) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x1) r1 = socket(0x1f, 0x5, 0x1c4) bind$inet(r1, &(0x7f0000fc4ff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) connect$inet(r1, &(0x7f0000adf000)={0x2, 0x0, @loopback=0x7f000001}, 0x10) socket$inet_tcp(0x2, 0x1, 0x0) read(r1, &(0x7f000083b000)=""/1, 0x1) symlinkat(&(0x7f00000000c0)='./file0\x00', r0, &(0x7f0000000100)='./file0\x00') sendmsg$alg(r1, &(0x7f0000159fc8)={0x0, 0x0, &(0x7f0000fc8000), 0x0, &(0x7f0000000e8e)}, 0x0) perf_event_open(&(0x7f0000fdef88)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) getsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000200), &(0x7f0000000240)=0x4) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x101001, 0x0) writev(r2, &(0x7f00000000c0)=[{&(0x7f0000001180)="0bf5430f000319", 0x7}], 0x1) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x4, 0x4011, 0xffffffffffffffff, 0x0) writev(0xffffffffffffffff, &(0x7f0000007000)=[{&(0x7f0000b23000)="82aaabfc6c5b1c7a6718badabd246d62c80270e00d637af19152d09e59a695e5ecb4b013dea5c5ab0458f38fca", 0x2d}], 0x1) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) prctl$setendian(0x14, 0x3) symlink(&(0x7f0000000300)='./control\x00', &(0x7f0000000340)='./control\x00') modify_ldt$write(0x1, &(0x7f0000000280)={0x3, 0x0, 0x2000, 0xfffffffffffffffd, 0x80, 0x8000, 0x4, 0x4, 0x1, 0x3f}, 0x10) getsockopt$inet_mreqn(r1, 0x0, 0x20, &(0x7f0000000180)={@local, @broadcast}, &(0x7f00000001c0)=0xc) ioctl$SIOCGIFHWADDR(r2, 0x8927, &(0x7f00000003c0)) openat$ptmx(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/ptmx\x00', 0x40480, 0x0) socket$kcm(0x29, 0x5, 0x0) 2018/03/31 21:06:05 executing program 0: r0 = getpid() r1 = syz_open_procfs(r0, &(0x7f0000001f00)='oom_adj\x00') r2 = socket$key(0xf, 0x3, 0x2) ioctl$KVM_GET_PIT2(r1, 0x8070ae9f, &(0x7f0000000400)) r3 = perf_event_open(&(0x7f0000940000)={0x2, 0xfffffffffffffd64, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000000000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_setup(0x2, &(0x7f0000000080)=0x0) ioctl$TCFLSH(r1, 0x540b, 0x1) r5 = dup3(r3, r3, 0x80000) r6 = dup3(r2, r3, 0x0) setsockopt$netrom_NETROM_N2(r5, 0x103, 0x3, &(0x7f0000000100)=0x4, 0x4) io_submit(r4, 0x1, &(0x7f0000000500)=[&(0x7f0000000280)={0x0, 0x0, 0x0, 0x8, 0x0, r3, &(0x7f0000000200)="02000000a00a000000215d2924af7b", 0xf}]) fgetxattr(r2, &(0x7f0000000240)=ANY=[@ANYBLOB="6cb36543de06f652cb6a761398916df4879b4bd37c319e4dc10c3dc5331f8c5d7f6034d7214fd32f80df039aa1d1994fd48b5b98871786da4848476b54f023cd"], &(0x7f00000002c0)=""/159, 0x9f) getpeername$netlink(r1, &(0x7f0000000380), &(0x7f00000003c0)=0xc) ioctl$KVM_GET_PIT2(r6, 0x8070ae9f, &(0x7f0000000180)) ioctl$EVIOCGVERSION(r6, 0x80044501, &(0x7f0000000140)=""/1) perf_event_open(&(0x7f0000000080)={0x2, 0x70, 0x10001, 0x3, 0x5, 0x9, 0x0, 0x9, 0x40, 0xd, 0x8e, 0x3, 0x6, 0x95, 0x7, 0x5, 0x80, 0x2, 0x9, 0x3ff, 0x3, 0x6, 0xff, 0x40, 0x2, 0x4, 0x3, 0x29f, 0xfffffffffffffff7, 0x81, 0x9, 0xffffffffffffff62, 0x9, 0x7f, 0x1, 0x9, 0x81, 0x7, 0x0, 0x81, 0x0, @perf_bp={&(0x7f0000000040), 0x5}, 0x20, 0x3, 0x57bf, 0x7, 0x9, 0x7, 0x40}, 0x0, 0x9, r1, 0x1) 2018/03/31 21:06:05 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f00000000c0)='./file0/file0\x00', r0, &(0x7f0000000040)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:06:05 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) r1 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x109000) getpeername$unix(r1, &(0x7f00000000c0)=@abs, &(0x7f0000000180)=0x6e) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:06:05 executing program 3: r0 = syz_open_dev$sndseq(&(0x7f0000b88ff3)='/dev/snd/seq\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0xc0505350, &(0x7f0000000040)={{}, {0x0, 0x10000000000}, 0x0, 0x0, 0x3}) 2018/03/31 21:06:05 executing program 4: r0 = request_key(&(0x7f0000000000)='id_legacy\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x0}, &(0x7f00000000c0)='\'.vboxnet1:(eth0\x00', 0xfffffffffffffffb) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0x17, &(0x7f00000b2000)=0xffffffffffffffff, 0x4) keyctl$read(0xb, r0, &(0x7f0000000100)=""/4096, 0x1000) unshare(0x8000400) mkdir(&(0x7f0000024ff6)='./control\x00', 0x0) r2 = open(&(0x7f0000000040)='./control\x00', 0x0, 0x1) ioctl$LOOP_CHANGE_FD(r2, 0x40049409, r2) [ 884.906408] FAULT_INJECTION: forcing a failure. [ 884.906408] name failslab, interval 1, probability 0, space 0, times 0 [ 884.917755] CPU: 0 PID: 22556 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 884.925124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 884.934483] Call Trace: [ 884.937083] dump_stack+0x194/0x24d [ 884.940727] ? arch_local_irq_restore+0x53/0x53 [ 884.945432] should_fail+0x8c0/0xa40 [ 884.949155] ? kstrdup+0x39/0x70 [ 884.952539] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 884.957649] ? cgroup_apply_control_enable+0x390/0xbc0 [ 884.962933] ? kernfs_iop_mkdir+0x153/0x1e0 [ 884.967343] ? vfs_mkdir+0x390/0x600 [ 884.971051] ? SyS_mkdirat+0x22b/0x2b0 [ 884.974932] ? entry_SYSENTER_compat+0x70/0x7f [ 884.979531] ? find_held_lock+0x35/0x1d0 [ 884.983594] ? find_held_lock+0x35/0x1d0 [ 884.987689] ? __lock_is_held+0xb6/0x140 [ 884.991758] ? check_same_owner+0x320/0x320 [ 884.996070] ? rcu_note_context_switch+0x710/0x710 [ 885.000984] ? rcu_read_lock_sched_held+0x108/0x120 [ 885.005996] should_failslab+0xec/0x120 [ 885.009962] kmem_cache_alloc+0x47/0x760 [ 885.014008] ? memcpy+0x45/0x50 [ 885.017285] ? kstrdup+0x59/0x70 [ 885.020643] __kernfs_new_node+0xe2/0x570 [ 885.024781] ? kernfs_dop_revalidate+0x380/0x380 [ 885.029535] ? snprintf+0xc0/0xf0 [ 885.032976] ? vsprintf+0x40/0x40 [ 885.036416] ? rq_clock+0x90/0x90 [ 885.039859] kernfs_new_node+0x80/0xe0 [ 885.043760] __kernfs_create_file+0x4b/0x320 [ 885.048160] cgroup_addrm_files+0x3c5/0xa70 [ 885.052481] ? cgroup_file_write+0x710/0x710 [ 885.056877] ? cpu_cgroup_css_alloc+0x30/0x30 [ 885.061374] ? __lock_is_held+0xb6/0x140 [ 885.065427] ? sched_online_group+0x4e0/0x4e0 [ 885.069905] ? cpu_cgroup_css_online+0x3a/0x50 [ 885.074473] ? online_css+0x224/0x2e0 [ 885.078265] css_populate_dir+0x198/0x420 [ 885.082405] cgroup_apply_control_enable+0x390/0xbc0 [ 885.087507] ? cgroup_propagate_control+0x570/0x570 [ 885.092519] ? css_populate_dir+0x289/0x420 [ 885.096831] cgroup_mkdir+0x56f/0xfc0 [ 885.100614] ? __lock_is_held+0xb6/0x140 [ 885.104669] ? cgroup_destroy_locked+0x750/0x750 [ 885.109411] ? rcu_read_lock_sched_held+0x108/0x120 [ 885.114416] ? kmem_cache_free+0x258/0x2a0 [ 885.118638] ? set_nlink+0xc1/0x160 [ 885.122249] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 885.127161] ? generic_permission+0x105/0x3c0 [ 885.131645] ? cgroup_destroy_locked+0x750/0x750 [ 885.136385] kernfs_iop_mkdir+0x153/0x1e0 [ 885.140520] vfs_mkdir+0x390/0x600 [ 885.144052] SyS_mkdirat+0x22b/0x2b0 [ 885.147758] ? SyS_mknod+0x480/0x480 [ 885.151460] ? do_fast_syscall_32+0x156/0xf9f [ 885.155955] ? SyS_mknod+0x480/0x480 [ 885.159653] do_fast_syscall_32+0x3ec/0xf9f [ 885.163965] ? do_int80_syscall_32+0x9c0/0x9c0 [ 885.168530] ? _raw_spin_unlock_irq+0x27/0x70 [ 885.173010] ? finish_task_switch+0x1c1/0x7e0 [ 885.177502] ? syscall_return_slowpath+0x2ac/0x550 [ 885.182416] ? prepare_exit_to_usermode+0x350/0x350 [ 885.187416] ? sysret32_from_system_call+0x5/0x3c [ 885.192248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 885.197085] entry_SYSENTER_compat+0x70/0x7f [ 885.201486] RIP: 0023:0xf7faec99 2018/03/31 21:06:05 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r1 = syz_open_dev$mouse(&(0x7f0000000080)='/dev/input/mouse#\x00', 0xbe, 0x80) ioctl$KVM_CHECK_EXTENSION_VM(r1, 0xae03, 0xa34) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r2, 0xae60) ioctl$KVM_SET_IRQCHIP(r2, 0x8208ae63, &(0x7f00000001c0)=@pic={0x0, 0x0, 0x0, 0xf8e}) ioctl$KVM_ASSIGN_PCI_DEVICE(r2, 0x8040ae69, &(0x7f0000000000)={0x2, 0xbc87, 0x81, 0x6, 0x1}) [ 885.204833] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 885.212528] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 885.219791] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 885.227055] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 885.234309] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 885.241577] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 885.250071] cgroup: cgroup_addrm_files: failed to add weight, err=-12 2018/03/31 21:06:05 executing program 7: keyctl$set_reqkey_keyring(0xe, 0x4) r0 = request_key(&(0x7f0000000080)='dns_resolver\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000100)='logon\x00', 0xffffffffffffffff) keyctl$setperm(0x5, r0, 0x80608) request_key(&(0x7f0000463ffa)='logon\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a}, &(0x7f0000000000)='\x00', 0x0) 2018/03/31 21:06:05 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="2f657865000000000000d50fef7afaf807e3c2f98d0d02812e3ca05fc31e623a2a051fc20fa5a02d84267a0067ac78b8ed1ee48d8097f99d3188a59818771e21974fc3d02efdabd0512782c2474e0a8c17538091e53bdc54aa574b0615a98c9046beb56b8bb5744fcc54b400dec854d2da9efbbdf5e4c75fae864cc0fce7514c133f17a1b93b735d3d5b3e10b683128034ec6e19ed879a810a401f95b9860b41b3b8683ac1b6f21c21769cbd07a9b0f2ab9711ecaaf67a7a74beef377c60b435f3eee826d174ca7516e89abcebd589104d80402accdc8d7ae101c57bbc26c33df519152ef8daf388b20fbc8c55cdb7d471a822531e7d7b88bbb269d72051d9f92d569935ce2b387f9e30fabf336e53827a8bdd4f7c3fba515ade98e68d965b0a52ec80d74eebb4c2904be489d2d473dab9f302545f6fd2973979092a404bdee5aad5d3eb20cb69f2e8c01eab7fbf98463fcdeb034f041dbd1cd779e40828d9db22f3e839a3f58a0e6ac2312fb1f95ffb6e97c6cc55353b7301984f08f9ca247456b5628692d5e443455794a27c4b194226b60a3b19bf09a2595e1d5aa5eb62934533af467d7de9c30c5f7b4db1f048c64587b71b2be65c78") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) setsockopt$IP6T_SO_SET_ADD_COUNTERS(r0, 0x29, 0x41, &(0x7f0000000000)=ANY=[@ANYBLOB="66696c7465720000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x68) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0106434, &(0x7f0000000080)={0x1ff, 0x0, 0x0, 0x8001}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0106434, &(0x7f00000000c0)={0xb70, r1, 0x10001, 0xffff}) 2018/03/31 21:06:05 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) ioctl$KVM_CREATE_DEVICE(0xffffffffffffff9c, 0xc00caee0, &(0x7f0000000040)={0x7, 0xffffffffffffff9c, 0x1}) ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f0000000100)={'syzkaller1\x00', {0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}}) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r1, &(0x7f0000000080)='./file0\x00', 0x200) openat$audio(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/audio\x00', 0x2000, 0x0) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) mount(&(0x7f0000000180)='./file0/file0\x00', &(0x7f0000000200)='./file0\x00', &(0x7f0000000240)='ocfs2_dlmfs\x00', 0x82000, &(0x7f0000000280)="00a74abcdd452942dde785a01d9e7b4f0beeb126ac766998f97aef9b6bcfc32f18070d01") symlinkat(&(0x7f0000000400)='./file0/file0\x00', r1, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000000c0)='/dev/snd/pcmC#D#p\x00', 0x9, 0x1) 2018/03/31 21:06:05 executing program 4: r0 = socket$inet(0x2, 0x200000000000003, 0x9) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000180)=@broute={'broute\x00', 0x20, 0x1, 0x1ac, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000940], 0x0, &(0x7f0000000280), &(0x7f00000002c0)=ANY=[@ANYBLOB="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"]}, 0x28b) r1 = syz_open_dev$sndpcmp(&(0x7f0000000500)='/dev/snd/pcmC#D#p\x00', 0xffffffff80000001, 0x200000) setsockopt$netrom_NETROM_N2(r1, 0x103, 0x3, &(0x7f0000000540)=0x5, 0x4) syz_mount_image$msdos(&(0x7f0000000000)='msdos\x00', &(0x7f0000000040)='./file0\x00', 0x7, 0x2, &(0x7f0000000100)=[{&(0x7f0000000080)="9d3f995457e11049e5351d8083d14c567c68f65398f501eddadee5a8d79a7132899a9f8f9e7d856cf005e4fe038a293ff00be36e", 0x34, 0x4}, {&(0x7f00000000c0)="5672a56795d7c725bace89", 0xb, 0x9}], 0x1, &(0x7f0000000200)={[{@showexec='showexec', 0x2c}, {@gid={'gid', 0x3d, [0x33, 0x30]}, 0x2c}, {@umask={'umask', 0x3d, [0x35, 0x33, 0x37, 0x30, 0x33]}, 0x2c}, {@gid={'gid', 0x3d, [0x33, 0x36, 0x36, 0x33]}, 0x2c}, {@dos1xfloppy='dos1xfloppy', 0x2c}, {@allow_utime={'allow_utime', 0x3d, [0x36, 0x32, 0x34]}, 0x2c}, {@fmask={'fmask', 0x3d, [0x36]}, 0x2c}, {@sys_immutable='sys_immutable', 0x2c}]}) fcntl$F_SET_RW_HINT(r0, 0x40c, &(0x7f0000000140)=0x3) 2018/03/31 21:06:05 executing program 1 (fault-call:6 fault-nth:36): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:05 executing program 3: r0 = syz_open_dev$dspn(&(0x7f0000006ff6)='/dev/dsp#\x00', 0x1, 0x0) ioctl$int_in(r0, 0x8000008004500b, &(0x7f0000003ff8)) getpeername$packet(r0, &(0x7f0000006c00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000006c40)=0x14) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000006c80)={'ip6gre0\x00', r1}) fcntl$getown(r0, 0x9) 2018/03/31 21:06:05 executing program 7: r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_MCAST_MSFILTER(r0, 0x0, 0x30, &(0x7f0000000280)={0x0, {{0x2, 0x0, @dev={0xac, 0x14, 0x14}}}, 0x0, 0x1, [{{0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}}]}, 0x10c) pipe2(&(0x7f0000000000), 0x4000) [ 885.447522] FAULT_INJECTION: forcing a failure. [ 885.447522] name failslab, interval 1, probability 0, space 0, times 0 [ 885.458871] CPU: 1 PID: 22590 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 885.466236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 885.475589] Call Trace: [ 885.478177] dump_stack+0x194/0x24d [ 885.481207] kernel msg: ebtables bug: please report to author: Wrong len argument [ 885.481802] ? arch_local_irq_restore+0x53/0x53 [ 885.481824] should_fail+0x8c0/0xa40 [ 885.481839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 885.496761] kernel msg: ebtables bug: please report to author: Wrong len argument [ 885.497837] ? rb_first_postorder+0xa0/0xa0 [ 885.497849] ? __mutex_lock+0x16f/0x1a80 [ 885.497866] ? trace_hardirqs_off+0x10/0x10 [ 885.497881] ? find_held_lock+0x35/0x1d0 [ 885.497894] ? __lock_is_held+0xb6/0x140 [ 885.531306] ? check_same_owner+0x320/0x320 [ 885.535605] ? lock_downgrade+0x980/0x980 [ 885.539742] ? rcu_note_context_switch+0x710/0x710 [ 885.544658] should_failslab+0xec/0x120 [ 885.548610] __kmalloc_track_caller+0x5f/0x760 [ 885.553171] ? string+0x180/0x200 [ 885.556603] ? kstrdup_const+0x39/0x50 [ 885.560468] kstrdup+0x39/0x70 [ 885.563638] kstrdup_const+0x39/0x50 [ 885.567332] __kernfs_new_node+0xa2/0x570 [ 885.571461] ? kernfs_dop_revalidate+0x380/0x380 [ 885.576201] ? snprintf+0xc0/0xf0 [ 885.579681] ? vsprintf+0x40/0x40 [ 885.583122] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 885.588033] ? cgroup_file_name+0x1d0/0x1d0 [ 885.592333] kernfs_new_node+0x80/0xe0 [ 885.596201] __kernfs_create_file+0x4b/0x320 [ 885.600590] cgroup_addrm_files+0x3c5/0xa70 [ 885.604894] ? cgroup_file_write+0x710/0x710 [ 885.609291] ? cpu_cgroup_css_alloc+0x30/0x30 [ 885.613772] ? __lock_is_held+0xb6/0x140 [ 885.617828] ? sched_online_group+0x4e0/0x4e0 [ 885.622309] ? cpu_cgroup_css_online+0x3a/0x50 [ 885.626867] ? online_css+0x224/0x2e0 [ 885.630658] css_populate_dir+0x198/0x420 [ 885.634904] cgroup_apply_control_enable+0x390/0xbc0 [ 885.639993] ? cgroup_propagate_control+0x570/0x570 [ 885.644994] ? css_populate_dir+0x289/0x420 [ 885.649296] cgroup_mkdir+0x56f/0xfc0 [ 885.653073] ? __lock_is_held+0xb6/0x140 [ 885.657113] ? cgroup_destroy_locked+0x750/0x750 [ 885.661845] ? rcu_read_lock_sched_held+0x108/0x120 [ 885.666838] ? kmem_cache_free+0x258/0x2a0 [ 885.671062] ? set_nlink+0xc1/0x160 [ 885.674677] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 885.679594] ? generic_permission+0x105/0x3c0 [ 885.684066] ? cgroup_destroy_locked+0x750/0x750 [ 885.688802] kernfs_iop_mkdir+0x153/0x1e0 [ 885.692928] vfs_mkdir+0x390/0x600 [ 885.696458] SyS_mkdirat+0x22b/0x2b0 [ 885.700152] ? SyS_mknod+0x480/0x480 [ 885.703852] ? do_fast_syscall_32+0x156/0xf9f [ 885.708324] ? SyS_mknod+0x480/0x480 [ 885.712030] do_fast_syscall_32+0x3ec/0xf9f [ 885.716332] ? do_int80_syscall_32+0x9c0/0x9c0 [ 885.720894] ? _raw_spin_unlock_irq+0x27/0x70 [ 885.725366] ? finish_task_switch+0x1c1/0x7e0 [ 885.729841] ? syscall_return_slowpath+0x2ac/0x550 [ 885.734750] ? prepare_exit_to_usermode+0x350/0x350 [ 885.739743] ? sysret32_from_system_call+0x5/0x3c [ 885.744574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 885.749399] entry_SYSENTER_compat+0x70/0x7f [ 885.753784] RIP: 0023:0xf7faec99 [ 885.757134] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 885.764818] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 885.772072] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 885.779319] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 885.786565] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 885.793813] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 885.801537] cgroup: cgroup_addrm_files: failed to add weight.nice, err=-12 2018/03/31 21:06:06 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="2f657865000000000000d50fef7afaf807e3c2f98d0d02812e3ca05fc31e623a2a051fc20fa5a02d84267a0067ac78b8ed1ee48d8097f99d3188a59818771e21974fc3d02efdabd0512782c2474e0a8c17538091e53bdc54aa574b0615a98c9046beb56b8bb5744fcc54b400dec854d2da9efbbdf5e4c75fae864cc0fce7514c133f17a1b93b735d3d5b3e10b683128034ec6e19ed879a810a401f95b9860b41b3b8683ac1b6f21c21769cbd07a9b0f2ab9711ecaaf67a7a74beef377c60b435f3eee826d174ca7516e89abcebd589104d80402accdc8d7ae101c57bbc26c33df519152ef8daf388b20fbc8c55cdb7d471a822531e7d7b88bbb269d72051d9f92d569935ce2b387f9e30fabf336e53827a8bdd4f7c3fba515ade98e68d965b0a52ec80d74eebb4c2904be489d2d473dab9f302545f6fd2973979092a404bdee5aad5d3eb20cb69f2e8c01eab7fbf98463fcdeb034f041dbd1cd779e40828d9db22f3e839a3f58a0e6ac2312fb1f95ffb6e97c6cc55353b7301984f08f9ca247456b5628692d5e443455794a27c4b194226b60a3b19bf09a2595e1d5aa5eb62934533af467d7de9c30c5f7b4db1f048c64587b71b2be65c78") fgetxattr(r0, &(0x7f0000000500)=@known='security.ima\x00', &(0x7f0000000780)=""/159, 0xc4f22116) finit_module(r0, &(0x7f0000000040)='\'\\}+GPL,,\x00', 0x2) fchmod(r0, 0x0) fsetxattr(r0, &(0x7f0000000000)=@known='system.posix_acl_default\x00', &(0x7f00000002c0)='eth0em1\x00', 0x8, 0x2) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r0, 0xc02c5341, &(0x7f0000000080)) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000180)={0x0, 0x2c, &(0x7f0000000140)=[@in={0x2, 0x4e22, @remote={0xac, 0x14, 0x14, 0xbb}}, @in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x5}]}, &(0x7f00000001c0)=0xc) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000200)={0x0, 0x4b0000000, 0x2, 0x10001, 0x8, 0x101, 0xa000, 0x400, r1}, &(0x7f0000000240)=0x20) 2018/03/31 21:06:06 executing program 5: mkdir(&(0x7f000082f000)='./control\x00', 0x0) r0 = creat(&(0x7f0000000080)='./control/file0\x00', 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) r2 = fcntl$getown(r1, 0x9) r3 = getuid() getresgid(&(0x7f0000000380)=0x0, &(0x7f00000003c0), &(0x7f0000000400)) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000440)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000480)={{{@in=@broadcast, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in=@dev}}, &(0x7f0000000580)=0xe8) r7 = getgid() fcntl$getownex(r0, 0x10, &(0x7f00000005c0)={0x0, 0x0}) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000600)={{{@in6=@dev, @in6=@ipv4={[], [], @remote}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @remote}}, 0x0, @in=@loopback}}, &(0x7f0000000700)=0xe8) getgroups(0x1, &(0x7f0000000740)=[0x0]) sendmsg$unix(r0, &(0x7f0000000880)={&(0x7f0000000180)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000200)=[{&(0x7f0000000280)="4e91e6b3b71f8eba074d1183eebf16b4961ab06cfeda5fb5006778d58625619f2ace367bc871a1a3b4d2e4792aaf6a83105a17132f91cb1ef3482f89e9700837b89c186bfe68512324775db18ae9f2ea2ff317849512c59011f86d5c1d96dd873fe6a9004aa5ef27a21ac58ac7a4d4decf07dc2130aab056f6856425d912e783237fef5a8c86b2819c64dddca6644106a61788988593ca3475090823f79f00f3c849ba", 0xa3}, {&(0x7f00000000c0)="37bdf934b70f00fcda773cd090942714296c3adb57fc8635be5eba51684233e37c0894d1f9a9c1bed3a5afbed59464acf3b77276dd63d82ae56ec4873e9a57cf", 0x40}], 0x2, &(0x7f0000000780)=[@rights={0x2c, 0x1, 0x1, [r1, r0, r1, r0, r1, r0, r0, r1]}, @rights={0x2c, 0x1, 0x1, [r0, r0, r0, r1, r0, r0, r1, r0]}, @rights={0x10, 0x1, 0x1, [r0]}, @cred={0x18, 0x1, 0x2, r2, r3, r4}, @cred={0x18, 0x1, 0x2, r5, r6, r7}, @rights={0x10, 0x1, 0x1, [r0]}, @rights={0x10, 0x1, 0x1, [r0]}, @rights={0x10, 0x1, 0x1, [r0]}, @cred={0x18, 0x1, 0x2, r8, r9, r10}], 0xe0, 0x40}, 0x80) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000140)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r11 = creat(&(0x7f000078dff8)='./file0\x00', 0x0) write$sndseq(r11, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) rename(&(0x7f0000000040)='./control/file0\x00', &(0x7f0000000240)='./file0\x00') sched_setaffinity(0x0, 0x8, &(0x7f0000000340)=0x81) rename(&(0x7f0000000000)='./control\x00', &(0x7f0000000100)='./file0\x00') dup2(r11, r1) 2018/03/31 21:06:06 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.weight\x00', 0x2, 0x0) sendfile(r1, r1, 0x0, 0xa3b) r2 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0xf7, 0x8100) getsockopt$netlink(r2, 0x10e, 0x3, &(0x7f00000000c0)=""/46, &(0x7f0000000100)=0x2e) 2018/03/31 21:06:06 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r0, &(0x7f0000000180)=@resolve_ip={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, {0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}}, 0x7dbc) write$rdma_cm(r0, &(0x7f0000000040)=ANY=[@ANYBLOB="f37fffff070000fa", @ANYPTR64=&(0x7f0000000240)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00']], 0x10) 2018/03/31 21:06:06 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') prctl$setendian(0x14, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:06:06 executing program 4: r0 = socket$rds(0x15, 0x5, 0x0) setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f0000000000), 0x4) setsockopt$RDS_FREE_MR(r0, 0x114, 0x3, &(0x7f000000b000), 0x10) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000100)='/dev/cuse\x00', 0x4000, 0x0) clock_gettime(0x0, &(0x7f0000000140)={0x0, 0x0}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r1, 0x402c5342, &(0x7f0000000180)={0x4, 0x4111, 0xfff, {r2, r3+30000000}, 0x8, 0x9}) ioctl(r0, 0x0, &(0x7f0000000040)="306e4e0eb8a80b5f4ca8647b2e335a754198716e1bdf981a5b8cc301fd7acfd674ab6ef02525805b26c909a3e95d36675b246cde288623fb483c38ba78fb7b5e45e0c562ed1fe0400ab6855bdeaaee95bee6eb3f62c9467b218f2894097f4a9437051ea445b03f21b5ff5890bc4d336213a474fa541b0fae8bef1a7f54de52ce24023c4e94df89a13206defbf418509f2ab8bb45d6d504fbcef8a4bfec676c43587fb7f693bf") r4 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000240)={&(0x7f0000000200)='./file0\x00', 0x0, 0x10}, 0x10) tee(r4, r0, 0x2, 0xa) socket$kcm(0x29, 0x7, 0x0) 2018/03/31 21:06:06 executing program 2: fsetxattr(0xffffffffffffffff, &(0x7f0000000040)=@known='system.posix_acl_access\x00', &(0x7f0000000080)='GPL\x00', 0x4, 0x0) r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000240)='/dev/cuse\x00', 0x48000042, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$KVM_GET_TSC_KHZ(r0, 0xaea3) epoll_create1(0x0) ioctl$TIOCMSET(0xffffffffffffffff, 0x5418, &(0x7f00000003c0)) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000001fc8)={0x0, 0x0, &(0x7f0000b1afa0), 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB="100000000000cd30f7e23a99ef60d68f9f57fd4aca7c813fd2576f6dee6d5520b9a5b91fb62dbb981a718eef82936629202af443899a36444dacc138833cb52764c34fad7ab305aa2fea972125a52cab6169c3749b9bcc9e8cc38b1bb37c675d9c7982f8734940d93b6aee6829fe8b5d5510e58e27559b409e1606914b723c6728f1cc763a915706ff7d96e369743bb6bec33cd80da906018ed94fa501e56c3300ee88c423a43d2fa3cca996633cd2abda6523db10891a53c5a9631c87a265690b6fb4f9a5908cfc6776f42197668538e7e9d7736613ed926d6b335d0e143ed92731b7e506b028aa7bcfa1f5135cb833a93abb"], 0x9}, 0x0) ioctl(r1, 0xc0184900, &(0x7f0000002000)) 2018/03/31 21:06:06 executing program 1 (fault-call:6 fault-nth:37): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) [ 886.131745] FAULT_INJECTION: forcing a failure. [ 886.131745] name failslab, interval 1, probability 0, space 0, times 0 [ 886.143051] CPU: 1 PID: 22615 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 886.150409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 886.159762] Call Trace: [ 886.162351] dump_stack+0x194/0x24d [ 886.166000] ? arch_local_irq_restore+0x53/0x53 [ 886.170680] should_fail+0x8c0/0xa40 [ 886.174401] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 886.179510] ? rb_first_postorder+0xa0/0xa0 [ 886.183828] ? __mutex_lock+0x16f/0x1a80 [ 886.187893] ? trace_hardirqs_off+0x10/0x10 [ 886.192239] ? find_held_lock+0x35/0x1d0 [ 886.196303] ? __lock_is_held+0xb6/0x140 [ 886.200373] ? check_same_owner+0x320/0x320 [ 886.204699] ? lock_downgrade+0x980/0x980 [ 886.208864] ? rcu_note_context_switch+0x710/0x710 [ 886.213804] should_failslab+0xec/0x120 [ 886.217783] __kmalloc_track_caller+0x5f/0x760 [ 886.222377] ? string+0x180/0x200 [ 886.225830] ? kstrdup_const+0x39/0x50 2018/03/31 21:06:06 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000100)=@known='system.advise\x00', &(0x7f0000000000)=""/159, 0x9f) r1 = getpid() getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000001200)={{{@in, @in6=@ipv4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@local}, 0x0, @in=@broadcast}}, &(0x7f0000001300)=0xe8) fstat(r0, &(0x7f0000001340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f00000013c0)=0x0) getresuid(&(0x7f0000001400)=0x0, &(0x7f0000001440), &(0x7f0000001480)=0x0) getgroups(0x8, &(0x7f00000014c0)=[0x0, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff]) r10 = getpgid(0x0) r11 = getuid() r12 = getegid() ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000001500)=0x0) stat(&(0x7f0000001540)='./file0\x00', &(0x7f0000001580)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$EVIOCGBITKEY(r0, 0x80404521, &(0x7f00000000c0)=""/4) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000001ac0)={0x0, 0x0, 0x0}, &(0x7f0000001b00)=0xc) [ 886.229722] kstrdup+0x39/0x70 [ 886.232920] kstrdup_const+0x39/0x50 [ 886.236632] __kernfs_new_node+0xa2/0x570 [ 886.240781] ? kernfs_dop_revalidate+0x380/0x380 [ 886.245545] ? snprintf+0xc0/0xf0 [ 886.249026] ? vsprintf+0x40/0x40 [ 886.252485] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 886.257416] ? cgroup_file_name+0x1d0/0x1d0 [ 886.261744] kernfs_new_node+0x80/0xe0 [ 886.265639] __kernfs_create_file+0x4b/0x320 [ 886.270054] cgroup_addrm_files+0x3c5/0xa70 [ 886.274439] ? cgroup_file_write+0x710/0x710 [ 886.278849] ? cpu_cgroup_css_alloc+0x30/0x30 [ 886.283358] ? __lock_is_held+0xb6/0x140 [ 886.287433] ? sched_online_group+0x4e0/0x4e0 [ 886.291930] ? cpu_cgroup_css_online+0x3a/0x50 [ 886.296517] ? online_css+0x224/0x2e0 [ 886.300324] css_populate_dir+0x198/0x420 [ 886.304479] cgroup_apply_control_enable+0x390/0xbc0 [ 886.309589] ? cgroup_propagate_control+0x570/0x570 [ 886.314608] ? css_populate_dir+0x289/0x420 [ 886.318944] cgroup_mkdir+0x56f/0xfc0 [ 886.322751] ? __lock_is_held+0xb6/0x140 [ 886.326813] ? cgroup_destroy_locked+0x750/0x750 [ 886.331570] ? rcu_read_lock_sched_held+0x108/0x120 [ 886.336585] ? kmem_cache_free+0x258/0x2a0 [ 886.340835] ? set_nlink+0xc1/0x160 [ 886.344464] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 886.349389] ? generic_permission+0x105/0x3c0 [ 886.353885] ? cgroup_destroy_locked+0x750/0x750 [ 886.358661] kernfs_iop_mkdir+0x153/0x1e0 [ 886.362809] vfs_mkdir+0x390/0x600 [ 886.366351] SyS_mkdirat+0x22b/0x2b0 [ 886.370074] ? SyS_mknod+0x480/0x480 [ 886.373787] ? do_fast_syscall_32+0x156/0xf9f [ 886.378284] ? SyS_mknod+0x480/0x480 [ 886.382002] do_fast_syscall_32+0x3ec/0xf9f [ 886.386332] ? do_int80_syscall_32+0x9c0/0x9c0 [ 886.390918] ? _raw_spin_unlock_irq+0x27/0x70 [ 886.395417] ? finish_task_switch+0x1c1/0x7e0 [ 886.399941] ? syscall_return_slowpath+0x2ac/0x550 [ 886.404873] ? prepare_exit_to_usermode+0x350/0x350 [ 886.409888] ? sysret32_from_system_call+0x5/0x3c [ 886.414737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 886.419606] entry_SYSENTER_compat+0x70/0x7f [ 886.424005] RIP: 0023:0xf7faec99 sendmmsg$unix(r0, &(0x7f0000004780)=[{&(0x7f00000016c0)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000001a80)=[{&(0x7f00000020c0)="443b32b7bdae0598d6556be93623358fa55e2231045365ad1c4fc88076df02a12cc35b83b0cebb70b44555c99fc039c0f8a824e8dd232305a592ccbae82480d62102424cd1719c98d310e0f2b65c1339ea3f54a08b58f40b4c7ebcc0e6807590374da0dd53a1d361d03d0cae2e4afbde952dab95d827bfefd7c14da5c0ffa8d723be475f864d80a539d4291969a5206bcac21faf219b63fcaac729de4fcda6a90e179a7197fdda7c1d19a9fd16f7bcbad97c9452d3287227001acf2e0d0b2ab4b3fab4868068000f324b152113f6c98051505a58a80c011ac9a3d869255b0b03236053a6706b6a81b5f91f7682eaf5cfe79610a7584ddc87157421000b2f1f6becf63dc431882126d1f996cf9a1f6d04eccc64f1b1941e0e2c2f93bf5b173cbe5007228423165fc2d4972e35ab0bf40e52305b40ee9220ff1b7b3e127d4916e020ded1f1e4caf880e130c91ad12afd9755a2d2dda0abdb9fa9175d736f3dcae7ae21d021d89aaba8ceda94a25f4c5c7d79b0fa07a73b0b2864f5bdd948719b45c7153cd6e94dbad1077bd26e22c2178874a436157ca53f581dc69dc23fe9335899a21fd9cc0b875a88e0c552c2dacabe9bc8d751da2c7eced19803d2b9c0aabd3f8e5c3b336db637718ac8f19333b238e0b7cb7402d3bc96a3405d03e3c3243fb1deaf562669b35c0b82dfe4069f5d90eb8360143866ae97527a107fbcb7a70ceac6e4f1744778142942d2490360a4268ff5a3a6279fead6eb3e2d621c794843e7dc4401ea8c5c3a1aa119fa48a54deb8136954bd1def8eb99f193710a264a643c8518de69b2c246ee64207fd57a15e6ca7da76de5374a7f2dea99bb25ff6041d3875a8f8ba643b1f514019397a5cc6f45d053d4753d48c7f7975b0b8162ed8840d434abd662acc06dbabe5d9a813194eeecfd19fa0d536063d435ba92a399388bb7f10887183e1369fdb9531e52231d98ee43aa31c117d3d944a0acd3386b010c3ba52bf2ad8e4e0bdd46311cb59f40eaea233463f35c8df9be2f89f13c0ad6f7281652c28379f56bcd5ac7a8032fef02d18ed1f28a655e2335612fb2ad496ba786f4f81113e3cbb0fb772676787280887e19b819e66f792ff871e0542d155821437b230f27af1c21015f4058e6f99a934135ed0deba626def20a3e5653a8704cd4dc06b63c60ade5b967165cfff532fa4d2c702b4539d7bb10652baff5e602dd0742d8f5065d1c78c3b933da93034c0e38780c24aab570e188d45cabd4641c77685477ebd4ff1d5e26cd0717757040b89c15223df761c83baccc3ca7b0625173bfdde2e3f38d34902cef06e48f3beedb5d9492b362b8e72bc6712891e93ad13f680f1b45dc69e5ae6ee600f82fb5e4b207434d66fdd6f243c9b78fa3b8fa665526c10d821dc46408cb2c524c08c57f7a2d3e92f701dc96bc088f99b0dc5cc89221aa5add7ae5ed3ee987240a7d6be5337fd7cf2590e1b463b4cd31e62136b20ee5ba4c26d01ee003f8ea04130665f50fedb87ef6ccbe525d7f0442037d25ab7843985b56c147b2a9bed711deb3e494f4ade9156d65d3b327f53824ce030bdff9df3ea1b8a45a631a8e59688c531c75f880ae6a78dfdc485aa525d6ad23d6ea285339629880e4d011fa821d01f8bfe5530cb32655e3c0990ef298d72d62d9adc5d17a7ed5ff3d502d5b2ca2b6bd962ccf1b2dc2192e72ba1e29e8140544d10f7636ed2039f614adfc2c5a09ce5d587fa1933d84588ea4607d0a796862e6b7f6b9e7b21aaf13be44ad02275111d44de8525340bb1ad57d28393e86bff6e54150366c36c5aa35154694755caeecd3faf4b6d5ccdc1cf44ebe32df955a5d757f7820d9aac97cb3dfed92aae6eae78661209c32191d3f825d179f3381db411edd5c1e253f7a016fc2291fb746ac46336c287d07148be5bb1f6be70aed8abe271e8c1ae9a5fa28503084ae9f1caf9d4183945e12975888281d895b8c6ead96a1ac3db973a4be9127fcfe4abae57ebca6bd6a2c5d40474e3fa7c2c31c39d871aa690cba2f136a62b690a5527509f4d62394d4faf242a5c40fd6f9609287db979cbf733412f422c8764aea7ed75dc2a80991df47ee4211caef67f535d08905dd327acfe7f60a285958ab03874a1291ddd3267092ce0aef1111dbf9f0793ece017326c0a8303524afa8090e5428456b4f31d41daecafee928631d400c059eed9726a53a5dc6f012b885dafc2d18df8e8a135a3180642611c753a623b7493a89a2e2ecb7475e3f9c3b04e766e3cb86cde3069d588a5cb8367cde067f31af51f789a2fbfe4a2862f205caa95e546f2ff7082a0d510bf2b8cb8b0a0594387cd003d1d3f39279185ebd28a7092181459182b4fb97bb2b72f19a8b507a597d4efde9fce25236adc5b8970895f150809b2e178b553f5db9a34480cf3669b89b8b9ad7f7e2028eb43993fb491e72f187b9fb142fb312b8f4e37c6c02a5bfa590a4ae0ae57ef4b9328051db92aebf79f0b8ee8bfe9d18cddc9b1c600c19f1b9f51f213ff3b781ec420c4ddfee4f6208551c1bf58b98a0f6dcd6f24f52216328373d3d4bb020404a539beb38e03d11196c670f6c4bf0a646cd9a4a48a15de65707a780427542091418327ed62485975325de9b4b5eefca3f0b88195971b92c21a4698b7db32556d3c4c021636c91249af48e5d3dcb8397b2d417047ee65389db3deaca8c6d87a32d2ab6bb347e6af7983f1f66b78933f48fc493369e4085bfa8550221d2a09158b5e16aedf30a4d799a11c4fb431c680acf3dc2509e532800d95b6e26ec3faae259465f9e6dd100bb1857b73b37187b7761a14b911c2367a8cd7df66791b6dbf1cc2b98a10d94ffa3095f75226ab1a3e9201773c79f1a3971829629915f3567a9d2fdef067f179dbe442fff13f863888b7bde84b212eec548c39bddf7b3914b0cd408d0f8bbc59c0ce10095ffe5544100883995adb527473346eaf66dec9fc5bf8e3dd8c3a3a04c606da119385e159cb29be323228fe7007f87cc64ad9cbf84b0736f41acc9017bc7814ae9d5daaf8742059ec3aa4ac68ad1319f937bf56370bdf478c42abd04c050b7f41d79549fc7b8239151c88388258eafe279a8099976ea3bed043071a228eba274dcd005d83de9e31199a169d111ccab4962bc84e6176755f89fb45569fc8655488a652e174cfcee4bfe2a2977d694f49427bb0c0a0c0ef07aff09b9c32c8929130e781b8c4e971c3e1c332c5e0f5821575c5f1e4d04d997e5d00ad0350c89f21ec4401db574c46375426fd6b6805559d0cad60bdb66163fb47280fc3161b6d07d96f22767a40300b7843dfb6085429d85aea0e56448fb32098a704064e6c123ffd8816b89b7939b295938cfbd9206568dc3582b159688f5a8300211df4a09d5a4e85938355f7a8c496290feea64a3ffbe873485fbf0d295a189fb8a87d7a33e99ae00c7e50ab78b8fc20ccb1aea17575e755fee96a9dbd1561027ec081f78b38d7dc507f864b6f5c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0x1000}, {&(0x7f0000001980)="5b8cea3b7dafdf4458ef50fd04cd37bf31c3a41929570e2e89fac28893b78d58b13d77b595a3b5ca15c61acf78b80bc1d47a1f2bd43e3b82afcc0467084d8d0966a2002c2ae05ff3697fe65c81f462bcacd15f9dbd413e8ea097b794b7b271441dd0a73196518c9a47bf97dbd162f45a2a60b767df73636c360eb4f61af88b760e4845226ba2d5994f402a39f78fb1a46bac90b55872c82a672620ccd8d19ae57a06ebf51c2c92579f4fc39da9bf2cb504da814d60ce5edcb714005fc7565ed8edf943dafb5439", 0xc7}, {&(0x7f0000001740)="dfdd72fcd087fa2a2cc4b35cedb9f541842ff371f3bd", 0x16}], 0x6, &(0x7f0000001b40)=[@cred={0x18, 0x1, 0x2, r1, r11, r8}, @rights={0x18, 0x1, 0x1, [r0, r0, r0]}, @rights={0x10, 0x1, 0x1, [r0]}, @rights={0x14, 0x1, 0x1, [r0, r0]}, @cred={0x18, 0x1, 0x2, r13, r5, r12}, @cred={0x18, 0x1, 0x2, r1, r14, r12}, @rights={0x20, 0x1, 0x1, [r0, r0, r0, r0, r0]}, @cred={0x18, 0x1, 0x2, r10, r5, r15}, @cred={0x18, 0x1, 0x2, r10, r14, r15}, @cred={0x18, 0x1, 0x2, r4, r2, r16}], 0xec, 0x40000}, {&(0x7f0000001c40)=@abs={0x1, 0x0, 0x4e24}, 0x6e, &(0x7f0000001d00)=[{&(0x7f0000001cc0)="f13ca68d7e77f2927c4ea73b864a6b8f3020f9", 0x13}], 0x1, &(0x7f0000001d40)=[@rights={0x1c, 0x1, 0x1, [r0, r0, r0, r0]}, @cred={0x18, 0x1, 0x2, r13, r11, r15}, @rights={0x14, 0x1, 0x1, [r0, r0]}, @rights={0x1c, 0x1, 0x1, [r0, r0, r0, r0]}, @rights={0x20, 0x1, 0x1, [r0, r0, r0, r0, r0]}, @rights={0x20, 0x1, 0x1, [r0, r0, r0, r0, r0]}], 0xa4, 0x48004}, {&(0x7f0000001e00)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000004580)=[{&(0x7f00000040c0)="7f3cd7b1073943176e9109ade11a169e574425c7a91cc48d4f783ca959fdff47e0f4a8be129825edd762b08cd1852bf4b66102743e4680a78d3a6fb4a7dbbae19911af31a685208837cc63ce04687dcff4308e7892647ed7ed4d1552c4f471a9d19c3db14b03948c2f16e192cff49ab064b047dcd930904b54ddd7de9101d9b2caf9ba1428db6ebc9debb82f5fa3544eb29432a63263d8f6e346fad7977af76cc70d9977b8", 0xa5}, {&(0x7f0000001e80)="a6345c530c7e46ca1ccd14e1f62d6ed3e88bd8b8408943cd1d9025ebc696563fbc1b00152fe5aa78e0f15b7768d88d737d2af6bb4bed52cbe69c0c37e849727ad7690e36fb6b6465dc8aef78e32ddc4fee8a3b", 0x53}, {&(0x7f0000004180)="7a04490654842936933ce8c24219eca1ae206f39915c4eda4c25e9bca9d5ee499335d9795ed374a8e0", 0x29}, {&(0x7f00000041c0)="b9543afc38b9aa4bf965ed8ef1f723f9f776a00eb5d5cbf5c4833ef551c7f243d8c6c6f1fc178d29331431ef91678f69b8ce5c1ac6574b0f847d05450787559f30f9c72e5a464a00ea3164da969cb62b2a3854e01930ba445ab2acc4adfd8e554cd5ab02be35b6ef19015ee3fe", 0x6d}, {&(0x7f0000004240)="73a368d7386e3beb79b435f99146986f0965745a398c53e62232f2117929a8d9ff", 0x21}, {&(0x7f0000004280)="d0124f1bb89d321d86826fb2e072709431732a6997a11947eff4546c288c04537f88e7e84de20728a171aead78d26ab464e47515a514fefec6646edd13eec32b15c52768af44817aa621917de95249c858c8b56f9d6a422d66be93bc5a1764a87e8da25c591b43f2b579c2dd410a246075572fdf1889e680a9585287f34c94506e9aa8c528c23deea6621b2d68189747e9abe7cd488dc0e9fc02054ffaea992035fcab56b232a870ece2f7cbaba7d84ad80afce06ee967c8a3ccee234ce3eea8357088574692e1dfda23ec2fc2a3038ce8e0", 0xd2}, {&(0x7f0000004380)="5baffbbcb42003f37e35e387445fa99af098882bb18f8a8317a9aa6fcba63dd6b9bb6de5c47223ab1646f7b38aadfe80c48ff4ce30c2c42c3c652f72b363e244b66901e364635ca0432cc74d6c0f042b42496c1302041c30dbe529ef0cafe88a3c9b949b5b48a312856fb6b1af3b7cf00c11db0c973e1d7530b923207f21446e33cb12955c9d4fff50d1de21809851f83cbbfb67192c55eafb163365bead72", 0x9f}, {&(0x7f0000004440)="3a0c9e691d525050bf341b1cc04581abff25f2b792a2c402cbb5a38769060c2b044c2d678a90f87c56a2d3891225ec164ee1441332964237bc2db30cd7aaccc6ebc405bfc72f1cb46850ad39219d31bae7483a3c4cacbc90053729a46d2a33a33ff8ce6ecb1a1028b91aa39a9eb57d941f323ab106e8f63657fca978417636c423adba1b42f71aedd078078a91fd88e53d39722acbf9784a463fbee2e4f44881afc159a9c75f7a58679d8352cd939c88101baea81160eaf58f01724f2b45bb1a5c4bcaf700fb3ea47f4d01287aead303f1d18e2ca1", 0xd5}, {&(0x7f0000004540)="1bebe411ea3b8f62123f04ec86c0e6f6758c", 0x12}], 0x9, 0x0, 0x0, 0x4000000}, {&(0x7f0000004600)=@abs={0x1, 0x0, 0x4e24}, 0x6e, &(0x7f0000004700)=[{&(0x7f0000004680)="e99a", 0x2}, {&(0x7f00000046c0)="ea5c6e", 0x3}], 0x2, &(0x7f0000004740)=ANY=[@ANYBLOB="100008000100000001000000", @ANYRES32=r0, @ANYBLOB="140000000100000001000000", @ANYRES32=r0, @ANYRES32=r0, @ANYBLOB="180000000100000002000000", @ANYRES32=r13, @ANYRES32=r6, @ANYRES32=r7], 0x3c, 0x40080}], 0x4, 0x20000000) getresgid(&(0x7f0000001600)=0x0, &(0x7f0000001640), &(0x7f0000001680)) sendmsg$unix(r0, &(0x7f0000001780)={&(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f00000011c0)=[{&(0x7f00000001c0)="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", 0x1000}, {&(0x7f00000000c0)}], 0x2, &(0x7f00000017c0)=ANY=[@ANYBLOB="180000000100000002000000", @ANYRES32=r1, @ANYRES32=r2, @ANYRES32=r3, @ANYBLOB="180000000100000002000000", @ANYRES32=r4, @ANYRES32=r6, @ANYRES32=r9, @ANYBLOB="140000000100000001000000", @ANYRES32=r0, @ANYRES32=r0, @ANYBLOB="240000000100000001000000", @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYBLOB="1800000001000000020000008bd71cfc43d47a3f6f2e32e88228c4", @ANYRES32=r10, @ANYRES32=r11, @ANYRES32=r12, @ANYBLOB="180000000100000002000000", @ANYRES32=r13, @ANYRES32=r14, @ANYRES32=r17], 0x98, 0x40000}, 0x4000000) 2018/03/31 21:06:06 executing program 3: syz_emit_ethernet(0x3e8, &(0x7f0000101000)={@random="3ba04712e860", @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "02290f", 0x30, 0x3a, 0xffffffffffffffff, @ipv4={[], [0xff, 0xff], @rand_addr}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0xffffff86, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x0, 0x0, @loopback={0x0, 0x1}, @dev={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb]}}}}}}}}, 0x0) syz_open_dev$sndctrl(&(0x7f0000000040)='/dev/snd/controlC#\x00', 0x100, 0x80) 2018/03/31 21:06:06 executing program 4: futex(&(0x7f0000000040), 0x0, 0x0, &(0x7f0000fd3ff0), &(0x7f0000000ffc)=0xfffffffffffffffc, 0x4000000) 2018/03/31 21:06:06 executing program 3: syz_emit_ethernet(0x3e8, &(0x7f0000101000)={@random="3ba04712e860", @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "02290f", 0x30, 0x3a, 0xffffffffffffffff, @ipv4={[], [0xff, 0xff], @rand_addr}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0xffffff86, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x0, 0x0, @loopback={0x0, 0x1}, @dev={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb]}}}}}}}}, 0x0) syz_open_dev$sndctrl(&(0x7f0000000040)='/dev/snd/controlC#\x00', 0x100, 0x80) 2018/03/31 21:06:06 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x400, 0x0) r1 = dup(r0) sendto$unix(r1, &(0x7f0000000380)="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", 0x1000, 0x14, &(0x7f0000000080)=@file={0x0, './file0\x00'}, 0x6e) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) r2 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r2, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0x9f) epoll_create1(0x20080005) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000040)={0x10004, 0x1, 0x0, 0x1000, &(0x7f0000fff000/0x1000)=nil}) [ 886.427380] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 886.435084] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 886.442347] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 886.449612] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 886.456880] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 886.464147] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 886.471523] cgroup: cgroup_addrm_files: failed to add weight.nice, err=-12 2018/03/31 21:06:07 executing program 4: r0 = socket$inet(0x10, 0x3, 0x4) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmsg(r0, &(0x7f0000014000)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6002a00000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d4c1cbc882b079881", 0x4c}], 0x1}, 0x0) r1 = getpid() get_robust_list(r1, &(0x7f0000000140)=&(0x7f0000000100)={&(0x7f0000000040)={&(0x7f0000000000)}, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)}}, &(0x7f0000000180)=0xc) 2018/03/31 21:06:07 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0x9f) 2018/03/31 21:06:07 executing program 7: socket$alg(0x26, 0x5, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$pptp(0xffffffffffffffff, &(0x7f000004d000)={0x18, 0x2, {0x0, @loopback=0x7f000001}}, 0x7) r0 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x7, 0x40) fcntl$F_SET_RW_HINT(r0, 0x40c, &(0x7f0000000240)=0xb) ioctl$GIO_FONT(r0, 0x4b60, &(0x7f0000000080)=""/226) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f00003dd000)='/dev/ppp\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=0x0, &(0x7f0000000200)=0x4) setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r1, 0x84, 0x19, &(0x7f0000000280)={r2, 0x3ff}, 0x8) ioctl$EVIOCGPROP(r1, 0x40047438, &(0x7f000082ef0a)=""/246) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.net/syz0\x00', 0x1ff) 2018/03/31 21:06:07 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000140)={0x26, 'hash\x00', 0x0, 0x0, 'ghash\x00'}, 0x58) r1 = syz_open_dev$admmidi(&(0x7f0000000080)='/dev/admmidi#\x00', 0x2c3, 0x202000) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r1, 0x84, 0x65, &(0x7f00000000c0)=[@in={0x2, 0x4e21}, @in={0x2, 0x4e20}, @in6={0xa, 0x4e21, 0x4, @remote={0xfe, 0x80, [], 0xbb}, 0x9}], 0x3c) bind$alg(r0, &(0x7f0000000000)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_nopr_ctr_aes192\x00'}, 0x58) 2018/03/31 21:06:07 executing program 1 (fault-call:6 fault-nth:38): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:07 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) r2 = dup(r1) sendmmsg$unix(r2, &(0x7f0000000000)=[{&(0x7f0000005180)=@abs, 0x6e, &(0x7f0000002200)=[{&(0x7f0000001200)="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", 0xf21}], 0x1, 0x0, 0x0, 0x4c800}], 0x1, 0x80) accept4$unix(r2, &(0x7f0000000080), &(0x7f0000000180)=0x6e, 0x80000) setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(r2, 0x28, 0x0, &(0x7f0000000040)=0x1, 0x8) fanotify_init(0x8, 0x41001) 2018/03/31 21:06:07 executing program 3: syz_emit_ethernet(0x3e8, &(0x7f0000101000)={@random="3ba04712e860", @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "02290f", 0x30, 0x3a, 0xffffffffffffffff, @ipv4={[], [0xff, 0xff], @rand_addr}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0xffffff86, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x0, 0x0, @loopback={0x0, 0x1}, @dev={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb]}}}}}}}}, 0x0) syz_open_dev$sndctrl(&(0x7f0000000040)='/dev/snd/controlC#\x00', 0x100, 0x80) 2018/03/31 21:06:07 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') r1 = syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) ioctl$DRM_IOCTL_AGP_ALLOC(r1, 0xc0106434, &(0x7f0000000040)={0x131, 0x0, 0x10001, 0xffffffff}) ioctl$DRM_IOCTL_AGP_BIND(r1, 0x40086436, &(0x7f00000000c0)={r2, 0x4}) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000100)={0x7, 0x0, 0x820, 0x2, 0x8, 0x8, 0x1, 0x6, 0x8, 0x8, 0x1, 0x81}) [ 887.107774] FAULT_INJECTION: forcing a failure. [ 887.107774] name failslab, interval 1, probability 0, space 0, times 0 [ 887.119140] CPU: 0 PID: 22656 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 887.126505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 887.135863] Call Trace: [ 887.138458] dump_stack+0x194/0x24d [ 887.142106] ? arch_local_irq_restore+0x53/0x53 [ 887.146834] should_fail+0x8c0/0xa40 [ 887.150567] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 887.155692] ? __mutex_lock+0x16f/0x1a80 [ 887.159790] ? trace_event_raw_event_lock+0x340/0x340 [ 887.164992] ? trace_hardirqs_off+0x10/0x10 [ 887.169327] ? find_held_lock+0x35/0x1d0 [ 887.173407] ? __lock_is_held+0xb6/0x140 [ 887.177500] ? check_same_owner+0x320/0x320 [ 887.181829] ? lock_downgrade+0x980/0x980 [ 887.185991] ? rcu_note_context_switch+0x710/0x710 [ 887.190947] should_failslab+0xec/0x120 [ 887.194937] __kmalloc_track_caller+0x5f/0x760 [ 887.199538] ? string+0x180/0x200 [ 887.203003] ? kstrdup_const+0x39/0x50 [ 887.206906] kstrdup+0x39/0x70 [ 887.210112] kstrdup_const+0x39/0x50 [ 887.213839] __kernfs_new_node+0xa2/0x570 [ 887.218002] ? kernfs_dop_revalidate+0x380/0x380 [ 887.222780] ? snprintf+0xc0/0xf0 [ 887.226242] ? vsprintf+0x40/0x40 [ 887.229701] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 887.234648] ? cgroup_file_name+0x1d0/0x1d0 [ 887.238990] kernfs_new_node+0x80/0xe0 [ 887.242890] __kernfs_create_file+0x4b/0x320 [ 887.247434] cgroup_addrm_files+0x3c5/0xa70 [ 887.251788] ? cgroup_file_write+0x710/0x710 [ 887.256210] ? cpu_cgroup_css_alloc+0x30/0x30 [ 887.260756] ? __lock_is_held+0xb6/0x140 [ 887.264835] ? sched_online_group+0x4e0/0x4e0 [ 887.269336] ? cpu_cgroup_css_online+0x3a/0x50 [ 887.273922] ? online_css+0x224/0x2e0 [ 887.277736] css_populate_dir+0x198/0x420 [ 887.281896] cgroup_apply_control_enable+0x390/0xbc0 [ 887.287046] ? cgroup_propagate_control+0x570/0x570 [ 887.292080] ? css_populate_dir+0x289/0x420 [ 887.293224] gfs2: path_lookup on ./file0 returned error -2 [ 887.296405] cgroup_mkdir+0x56f/0xfc0 [ 887.296418] ? __lock_is_held+0xb6/0x140 [ 887.296443] ? cgroup_destroy_locked+0x750/0x750 [ 887.296459] ? rcu_read_lock_sched_held+0x108/0x120 [ 887.296473] ? kmem_cache_free+0x258/0x2a0 [ 887.296490] ? set_nlink+0xc1/0x160 [ 887.296507] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 887.330891] gfs2: path_lookup on ./file0 returned error -2 [ 887.332460] ? generic_permission+0x105/0x3c0 [ 887.332480] ? cgroup_destroy_locked+0x750/0x750 [ 887.332498] kernfs_iop_mkdir+0x153/0x1e0 [ 887.332517] vfs_mkdir+0x390/0x600 [ 887.332537] SyS_mkdirat+0x22b/0x2b0 [ 887.332555] ? SyS_mknod+0x480/0x480 [ 887.332571] ? do_fast_syscall_32+0x156/0xf9f [ 887.366964] ? SyS_mknod+0x480/0x480 [ 887.370694] do_fast_syscall_32+0x3ec/0xf9f [ 887.375033] ? do_int80_syscall_32+0x9c0/0x9c0 [ 887.379621] ? _raw_spin_unlock_irq+0x27/0x70 [ 887.384141] ? finish_task_switch+0x1c1/0x7e0 [ 887.388652] ? syscall_return_slowpath+0x2ac/0x550 [ 887.393594] ? prepare_exit_to_usermode+0x350/0x350 [ 887.398617] ? sysret32_from_system_call+0x5/0x3c [ 887.403468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 887.408321] entry_SYSENTER_compat+0x70/0x7f [ 887.412732] RIP: 0023:0xf7faec99 [ 887.416109] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 887.423825] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 887.431093] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 887.438366] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 887.445638] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 2018/03/31 21:06:07 executing program 2: r0 = socket$netlink(0x10, 0x3, 0xc) r1 = syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0x7c7, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r1, 0xc1105511, &(0x7f0000000100)={{0x2, 0x0, 0x0, 0x0, "386aea20273dc03c3d18dd0dbd4a0ca15f9f580393cc4ec3b8ee256b9aa630224ba64c6ff43ee01d2996c914"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "eda422cd37591b3a5a7a683380f7e0b9e790c6b72cd0a4f3342f7431c1699a305ca3091bb2320e8df4e298a2cca26637866a68c1426ffbd8a6c7da1d8ea77d9d", &(0x7f00000000c0)='/dev/snd/controlC#\x00', 0x13}) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000240)='/proc/self/net/pfkey\x00', 0x10000, 0x0) ioctl$KVM_CREATE_IRQCHIP(r2, 0xae60) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) ioctl$KVM_UNREGISTER_COALESCED_MMIO(r1, 0x4010ae68, &(0x7f00000003c0)={0x7000, 0x1000}) ioctl$KVM_UNREGISTER_COALESCED_MMIO(r4, 0x4010ae68, &(0x7f0000000000)={0x0, 0x5000}) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) r6 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x40, 0x0) connect$vsock_stream(r6, &(0x7f0000000080)={0x28, 0x0, 0xffffffff, @my}, 0x10) setsockopt$kcm_KCM_RECV_DISABLE(r2, 0x119, 0x1, &(0x7f0000000280)=0x20, 0x4) dup2(r3, r5) dup3(r3, r4, 0x0) r7 = syz_open_procfs(0x0, &(0x7f00000000c0)='loginuid\x00') getsockopt$inet6_mtu(r7, 0x29, 0x17, &(0x7f0000000140), &(0x7f0000000180)=0xfffffffffffffec6) ioctl$sock_inet_tcp_SIOCINQ(0xffffffffffffffff, 0x541b, &(0x7f0000000100)) writev(r0, &(0x7f0000fb5ff0)=[{&(0x7f0000000040)="1f00000002031900000007000000068100023b0509000100010100ff3ffe58", 0x1f}], 0x1) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000080)="1f0000000203193b000007000000068100023b050900020000000000feff58", 0x1f}], 0x1) flistxattr(r2, &(0x7f0000000400)=""/209, 0xd1) 2018/03/31 21:06:07 executing program 3: openat$ppp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ppp\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4018641b, &(0x7f0000000040)={&(0x7f0000ff9000/0x6000)=nil, 0x3, 0x0, 0x0, &(0x7f0000ff9000/0x3000)=nil, 0x400000000000}) r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000384ff7)='/dev/ppp\x00', 0x101002, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000b94000)=""/246) pwritev(r0, &(0x7f0000000040), 0x19d, 0x0) 2018/03/31 21:06:07 executing program 4: mount(&(0x7f0000000240)='./file0\x00', &(0x7f00000001c0)='.', &(0x7f0000000200)='gfs2meta\x00', 0x0, &(0x7f00000007c0)) r0 = userfaultfd(0x800) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/autofs\x00', 0x488941, 0x0) ioctl$sock_inet_SIOCSIFPFLAGS(r1, 0x8934, &(0x7f00000007c0)={'erspan0\x00'}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000040)={&(0x7f0000ff9000/0x4000)=nil, 0x4000}) fcntl$getownex(r0, 0x10, &(0x7f0000000140)) setsockopt$ARPT_SO_SET_REPLACE(r1, 0x0, 0x60, &(0x7f0000000280)={'filter\x00', 0x7, 0x4, 0x47c, 0x140, 0x280, 0x280, 0x398, 0x398, 0x398, 0x4, &(0x7f0000000100), {[{{@arp={@multicast2=0xe0000002, @remote={0xac, 0x14, 0x14, 0xbb}, 0xffffffff, 0x0, @mac, {[0x0, 0xff, 0x0, 0x0, 0xff]}, @empty, {[0xff, 0x0, 0x0, 0xff]}, 0x2, 0x1, 0x8000, 0x3, 0x594, 0xfffffffffffffffe, 'ifb0\x00', 'ip6gre0\x00', {}, {}, 0x0, 0x1}, 0xf0, 0x140}, @mangle={0x50, 'mangle\x00', 0x0, {@empty, @mac=@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xa}, @local={0xac, 0x14, 0x14, 0xaa}, 0x4, 0xffffffff}}}, {{@uncond, 0xf0, 0x140}, @mangle={0x50, 'mangle\x00', 0x0, {@mac=@dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x13}, @empty, @multicast1=0xe0000001, @empty, 0x1, 0xffffffff}}}, {{@uncond, 0xf0, 0x118}, @unspec=@NFQUEUE2={0x28, 'NFQUEUE\x00', 0x2, {0x8000, 0x189}}}], {{[], 0xc0, 0xe4}, {0x24, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x4c8) uselib(&(0x7f0000000000)='./file0\x00') 2018/03/31 21:06:07 executing program 5: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x100, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r0, 0x402c5342, &(0x7f0000000040)={0x5, 0x8, 0x100, {0x77359400}, 0xff, 0xffffffff}) r1 = syz_open_dev$dmmidi(&(0x7f00000000c0)='/dev/dmmidi#\x00', 0x3, 0x400) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r1, 0xc0bc5351, &(0x7f0000000100)={0x2, 0x2, 'client0\x00', 0xffffffff80000000, "dd993e37f5b13005", "1064c8234dd5c15444b35dd777ce50fe2387d7582dc2421b5c06aa67ec527b7f", 0x5, 0x4}) r2 = syz_open_dev$dspn(&(0x7f00000001c0)='/dev/dsp#\x00', 0xc05, 0x101000) pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) clock_gettime(0x0, &(0x7f0000000280)={0x0, 0x0}) ppoll(&(0x7f0000000240)=[{r3, 0x2440}], 0x1, &(0x7f00000002c0)={r5, r6+10000000}, &(0x7f0000000300)={0x10001}, 0x8) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f00000013c0)=@broute={'broute\x00', 0x20, 0x5, 0x1020, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000380], 0x0, &(0x7f0000000340), &(0x7f0000000380)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe, 0x2, [{{{0x3, 0x53, 0x4305, 'irlan0\x00', 'ip6_vti0\x00', 'ipddp0\x00', 'lo\x00', @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [0xff, 0x0, 0xff, 0xff, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, [0x0, 0xff, 0x0, 0xff, 0x0, 0xff], 0x70, 0x19c, 0x1c8}, [@common=@SECMARK={'SECMARK\x00', 0x108, {{0x1, 0x281, 'system_u:object_r:depmod_exec_t:s0\x00'}}}]}, @common=@mark={'mark\x00', 0x8, {{0xfffffff0, 0xffffffffffffffff}}}}, {{{0x5, 0x2, 0x1, 'rose0\x00', 'tunl0\x00', 'syz_tun\x00', 'bridge0\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}, [0x0, 0x0, 0xff, 0x0, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, [0xff, 0x0, 0x0, 0xff, 0xff, 0xff], 0x70, 0x70, 0x98}}, @common=@STANDARD={'\x00', 0x4, {0xffffffffffffffff}}}]}, {0x0, '\x00', 0x2, 0xfffffffffffffffc}, {0x0, '\x00', 0x2, 0xffffffffffffffff, 0x2, [{{{0x9, 0x0, 0x88ff, 'teql0\x00', 'vcan0\x00', 'lo\x00', 'ip6_vti0\x00', @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [0x0, 0xff, 0xff, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [0x0, 0x0, 0xff, 0xff, 0x8b63acba039b5fc1, 0xff], 0x70, 0x98, 0xe0}, [@common=@redirect={'redirect\x00', 0x4, {{0xffffffffffffffff}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x24, {{0x5, 'syz0\x00', 0x7ff}}}}, {{{0x9, 0x4, 0x88e7, 'eql\x00', 'bpq0\x00', 'syzkaller1\x00', 'yam0\x00', @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [0xff, 0xff, 0x0, 0x0, 0xff, 0xff], @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, [0xff, 0xff, 0xff, 0xff], 0x8f8, 0x964, 0x9ac, [@among={'among\x00', 0x864, {{0xffff, 0x10001, 0x81, {[0x7fff, 0x9, 0x7f, 0xc93, 0x4, 0x10001, 0x35ff, 0x6, 0x3f, 0x3, 0x1, 0x401, 0x1, 0x8000, 0x6, 0xfffffffffffffffb, 0xa6, 0x6, 0x3, 0xd317, 0x6, 0x3ff, 0x5, 0xb, 0x6, 0x8, 0x7, 0x7, 0x54cd, 0x0, 0xa2, 0x1000, 0xfffffffffffffff8, 0x7, 0x4, 0x1228, 0x8f5, 0x8, 0x99, 0x9, 0x1ff, 0xb1, 0x3, 0x6, 0x100, 0x4, 0x10000, 0x3, 0xd6, 0x0, 0x1ff, 0x0, 0x6, 0x2, 0x5, 0x2, 0xffff, 0x8, 0x9, 0x8001, 0xb2be2e0, 0x9, 0xf, 0x1ff, 0x1ff, 0x3f, 0x6, 0x6, 0x3f, 0x482, 0x5c0000000000000, 0x7, 0x4, 0x80000001, 0x9, 0xd58b, 0x40, 0x101, 0x3, 0x5, 0x4, 0x0, 0x3, 0x9, 0x7, 0x5, 0x1, 0xc, 0x7, 0x5, 0x200, 0x400, 0x6, 0x6, 0x3213, 0x9, 0x1, 0x1f, 0x3, 0x10001, 0x4, 0x3e, 0x6, 0x0, 0x7, 0x2, 0x200, 0x5000, 0x10001, 0xee0, 0x9, 0x100000001, 0x80000000, 0x3f, 0x101, 0x1ff, 0x800, 0x5, 0x0, 0x8001, 0x8001, 0x5, 0x5, 0x8001, 0xfff, 0x3, 0x6, 0x5, 0x3ff, 0x40, 0x7, 0x98d, 0x4, 0xb55, 0x8000, 0x9, 0x4, 0x7, 0x7c, 0x9, 0x3, 0x2, 0x3f, 0x6, 0x7, 0x0, 0x401, 0x0, 0x1, 0xbb, 0x4, 0x7eefb7d7, 0x7fffffff, 0xfffffffffffff000, 0x8f, 0x1, 0x4b01fe4e, 0x2, 0x10000, 0xa4b, 0x92, 0x0, 0x9, 0x8155, 0x10000, 0x4, 0x4, 0xff, 0x9, 0x7fffffff, 0xe50, 0xffffffffffffffff, 0x2, 0x100, 0x3, 0x3, 0x0, 0x7ff, 0x9, 0x4, 0x3, 0x200, 0x1, 0x7, 0x400, 0xb828, 0x36b, 0xffffffffffffff95, 0x4, 0x9, 0x84, 0x5, 0x4, 0x20, 0x200, 0x100, 0x5, 0xff, 0x2, 0x3, 0x7, 0x89, 0x9, 0xeed4, 0x100000001, 0x2, 0x7, 0x8, 0x8001, 0x0, 0x9c, 0x5, 0x9, 0x0, 0x6, 0x81, 0xa34e, 0x2a2, 0x1, 0x9, 0x7, 0xcbe, 0x4000000, 0x1000, 0x4, 0x1, 0x3ff, 0x54b, 0x8, 0x47, 0x3, 0x8, 0x4, 0x1ff, 0x7f, 0x216a5458, 0x4, 0xeb09, 0x8, 0x9, 0x2, 0x3, 0x8655, 0x9, 0x40, 0xf09, 0x7, 0x40, 0x1, 0x0, 0x6, 0x2505, 0x6, 0x3, 0x7], 0x3, [{[0x638, 0x8], @remote={0xac, 0x14, 0x14, 0xbb}}, {[0x7f, 0x5], @multicast2=0xe0000002}, {[0xa19a, 0x4], @remote={0xac, 0x14, 0x14, 0xbb}}]}, {[0x80000000, 0x1000, 0x3f, 0x9, 0x6, 0x2, 0xffffffff, 0x1f, 0x3, 0x0, 0x6, 0x8000, 0x8, 0x5, 0x3000000, 0x0, 0x80, 0x0, 0x4, 0x7, 0x7, 0x4c6, 0x6, 0x7fffffff, 0x0, 0x4, 0x8, 0xf34, 0x7f, 0x4, 0x2, 0x4, 0xfffffffffffffe00, 0x1, 0x4d6419c7, 0xffffffffffffffe1, 0x80000001, 0x7f, 0x4e1c3889, 0x7, 0x8001, 0x20, 0x1, 0x9, 0x80, 0xe650, 0x3ff, 0x30000000, 0xfff, 0x0, 0x5, 0xffffffffffffff0a, 0x4, 0x6, 0x7fff, 0x1ff, 0x8, 0x2, 0x7fffffff, 0x5, 0x9, 0x5, 0x1, 0xa12f, 0x400, 0x7ff, 0x6862, 0x9, 0x1000, 0x81, 0x8, 0x101, 0x7, 0x8, 0x3, 0x8001, 0x5, 0x0, 0x40, 0x7, 0x100000001, 0x101, 0xbc1, 0x8, 0x8001, 0x80, 0x8b83, 0x7f, 0x7f2, 0x80, 0x8, 0xa31b, 0x9, 0x6, 0x4, 0x6, 0x6, 0x100000000, 0x4288, 0x513824a9, 0x79c0, 0x0, 0xdd72, 0x3ff, 0xffffffffffffff01, 0x10001, 0x0, 0x1, 0x7, 0x9, 0xe6a, 0x4, 0x6, 0x8, 0x3, 0x8, 0x15, 0x86, 0x1, 0x4da, 0x6, 0x9, 0x4, 0x4, 0x1, 0x5, 0x6, 0x4, 0x8, 0x7, 0x4, 0x4, 0x5, 0x0, 0x71, 0x4, 0x9, 0x80000000, 0xfd, 0x6, 0x5, 0x100000000, 0x9, 0x1, 0x0, 0x704, 0x80000001, 0x41, 0x400, 0x7, 0x1, 0x7f, 0x82, 0x8, 0xf7, 0x0, 0x5, 0x8001, 0xcf, 0x9, 0x5, 0x70, 0x0, 0xffffffff, 0x1, 0x8000, 0x7f, 0x9, 0xffff, 0x101, 0xf411, 0x4, 0x4a, 0x3, 0x9, 0x0, 0x40, 0x1, 0x3ff, 0x2, 0xac, 0x7, 0x7fffffff, 0x1, 0x10000, 0x5, 0xc7, 0x5, 0x8, 0xe188, 0xffffffff, 0x40, 0xfffffffffffffffd, 0x81, 0x7b, 0x20000000000, 0x0, 0x7fffffff, 0x6, 0x3, 0x6e, 0x3, 0x3f, 0xffffffffffff0000, 0x8db, 0x9a, 0x800, 0x6, 0x100, 0x80, 0x9, 0x870a, 0x80000000, 0xf87, 0x10001, 0x7, 0xffffffffffff505f, 0x1, 0xf2, 0x3000000000000, 0x3, 0x9, 0x9, 0xb23b, 0xffff, 0x9, 0xf3a2, 0x100000000, 0x3, 0x6, 0x6, 0x4, 0x0, 0x4, 0x1, 0x6eb9, 0x95fd, 0x7, 0xffffffff, 0x7, 0x3f, 0x0, 0x3, 0x2, 0xf1300000000, 0x3, 0x8, 0x0, 0x7, 0x7, 0xc4, 0xffffffff8783bc1f, 0x2d, 0x20, 0x7, 0x20, 0x7], 0x3, [{[0xfffffffffffffffc, 0x1ff], @broadcast=0xffffffff}, {[0x81, 0x100000001]}, {[0x5, 0x7], @loopback=0x7f000001}]}}}}]}, [@common=@NFQUEUE0={'NFQUEUE\x00', 0x4}, @common=@ERROR={'ERROR\x00', 0x20, {"d5be661dc4a4fd699b74a8b2cc202795dfbcfa5f0a801d8aa54a8623df35"}}]}, @common=@LED={'LED\x00', 0x24, {{'syz1\x00', 0x1, 0x6, 0x401}}}}]}, {0x0, '\x00', 0x4, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x48bc792c3e36a0f9, '\x00', 'vlan0\x00', 'bond0\x00', 'ip6gre0\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, [0x0, 0xff, 0xff, 0xff, 0xff, 0xff], @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x12}, [0x0, 0xff, 0x0, 0xff, 0xff], 0xa8, 0x204, 0x274, [@statistic={'statistic\x00', 0x14, {{0x0, 0x0, 0x5, 0x2, 0x8, 0x3}}}]}, [@common=@SECMARK={'SECMARK\x00', 0x108, {{0x1, 0x8, 'system_u:object_r:scsi_generic_device_t:s0\x00'}}}, @common=@dnat={'dnat\x00', 0xc, {{@random="719f992e1bb7", 0xffffffffffffffff}}}]}, @common=@NFLOG={'NFLOG\x00', 0x4c, {{0x4, 0x5, 0x8, 0x0, 0x0, "292a2cce6ca4f575ab1cde56c6482f35287bf27c7f0396332f5c16cabf8d009adbd2ad6e3672d398d022051c0b5ef408eb057307fb49f9c31e07f8f13d3e5ce1"}}}}]}]}, 0x1070) r7 = openat$audio(0xffffffffffffff9c, &(0x7f0000001440)='/dev/audio\x00', 0x40000, 0x0) setsockopt$netrom_NETROM_T2(r3, 0x103, 0x2, &(0x7f0000001480)=0xff, 0x4) accept4$netrom(r4, &(0x7f00000014c0)=@full, &(0x7f0000001540)=0x48, 0x80800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r7, 0x84, 0x1d, &(0x7f0000001580)={0x1, [0x0]}, &(0x7f00000015c0)=0x8) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r4, 0x84, 0x1, &(0x7f0000001600)={r8, 0x5, 0x3, 0xec, 0x8e2, 0xfff}, 0x14) bind$alg(r2, &(0x7f0000001640)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw-cast6-avx\x00'}, 0x58) ioctl$SNDRV_SEQ_IOCTL_PVERSION(r7, 0x80045300, &(0x7f00000016c0)) lsetxattr(&(0x7f0000001700)='./file0\x00', &(0x7f0000001740)=@random={'btrfs.', 'vmnet0.\x00'}, &(0x7f0000001780)='syzkaller1\x00', 0xb, 0x3) ioctl$KVM_NMI(r3, 0xae9a) mknod(&(0x7f00000017c0)='./file0\x00', 0x0, 0x1) unshare(0x0) syz_open_dev$sndseq(&(0x7f0000001800)='/dev/snd/seq\x00', 0x0, 0x400080) getsockopt$IP_VS_SO_GET_DAEMON(r4, 0x0, 0x487, &(0x7f0000001840), &(0x7f0000001880)=0x30) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f00000018c0)=@sack_info={r8, 0x1, 0x8}, &(0x7f0000001900)=0xc) close(r2) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r2, 0xc0bc5351, &(0x7f0000001940)={0x5, 0x2, 'client0\x00', 0x2, "fb69c30e1e9485e6", "f41bb7078cdf75b30cd8ab55a7e1f78dc9c545d9a78497260f5bbc8dd739f122", 0x800000, 0x1}) ioctl$TIOCMSET(r2, 0x5418, &(0x7f0000001a00)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r7, 0x84, 0x17, &(0x7f0000001a40)={r8, 0x3f, 0x37, "efd12ec36d026fa22d203a9070d5690b4944a7b894851c7f4721ce526fa836d676549e1752ba088709b1753aa8ff5bfcc0f2e14cabe08f"}, 0x3f) getsockopt$inet_sctp_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f0000001a80)={r8, 0x12b, 0x3, 0x9, 0x8f, 0x2, 0xfffffffffffffff9, 0x2, {r9, @in6={{0xa, 0x4e21, 0x5, @local={0xfe, 0x80, [], 0xaa}, 0x2}}, 0x7, 0x7fff, 0x0, 0x9, 0x4}}, &(0x7f0000001b40)=0xb0) ioctl$KVM_SET_REGS(r7, 0x4090ae82, &(0x7f0000001b80)={[0x4, 0x0, 0xfd, 0x9, 0x9, 0x6, 0xffff, 0x6, 0x9, 0x0, 0x3f, 0x9, 0x1, 0xc0, 0x8, 0x3], 0x0, 0x2002}) setsockopt$inet_mtu(r3, 0x0, 0xa, &(0x7f0000001c40)=0x5, 0x4) 2018/03/31 21:06:07 executing program 0: socketpair$inet(0x2, 0x7, 0x37, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000280), &(0x7f0000001380)=0x14) r1 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r1, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:06:07 executing program 4: r0 = syz_open_dev$tun(&(0x7f0000000280)='/dev/net/tun\x00', 0x0, 0x0) lseek(r0, 0x0, 0x6) getsockname(0xffffffffffffff9c, &(0x7f0000000080)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000000)=0x80) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000100)={0x0, 0x100000000}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000180)={r2, 0x1, 0x2, 0x6, 0x2, 0x7}, 0x14) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={"d202b999256425875d39a8fcf301e710", 0x102}) 2018/03/31 21:06:07 executing program 7: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f00000000c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000dd0ff0)={&(0x7f0000d3dc98)={0x20, 0x813, 0xa, 0x1, 0x0, 0x0, {}, [@typed={0xc, 0x2, @pid}]}, 0x20}, 0x1}, 0x0) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) getsockname$inet(r1, &(0x7f0000000080)={0x0, 0x0, @remote}, &(0x7f0000000100)=0x10) [ 887.452912] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 887.460672] cgroup: cgroup_addrm_files: failed to add max, err=-12 2018/03/31 21:06:07 executing program 3: r0 = socket$pppoe(0x18, 0x1, 0x0) lgetxattr(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=@known='security.selinux\x00', &(0x7f0000000140)=""/246, 0xf6) accept4(r0, &(0x7f00000000c0)=@l2, &(0x7f0000000000)=0x80, 0x1000040000) getsockname(r0, &(0x7f0000000380)=@ethernet={0x0, @dev}, &(0x7f0000000400)=0x80) preadv(r0, &(0x7f0000000340)=[{&(0x7f0000000240)=""/252, 0xfc}], 0x1, 0x0) 2018/03/31 21:06:08 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) r1 = open(&(0x7f0000000040)='./file0\x00', 0x82000, 0x40) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') ioctl$sock_inet_SIOCADDRT(r1, 0x890b, &(0x7f00000000c0)={0xe2f, {0x2, 0x4e23, @rand_addr=0xce}, {0x2, 0x4e22, @broadcast=0xffffffff}, {0x2, 0x4e22}, 0x23e, 0x2, 0x7f, 0x1000, 0x7, 0x0, 0x4e3, 0x400, 0x9}) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:06:08 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f00000000c0)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0x9f) 2018/03/31 21:06:08 executing program 1 (fault-call:6 fault-nth:39): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:08 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000ddfffc)=0x1, 0x374) setsockopt$inet_tcp_int(r0, 0x6, 0x21, &(0x7f00000001c0)=0x1, 0x4) connect$inet(r0, &(0x7f0000d9dff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg(r0, &(0x7f0000000180)={&(0x7f0000000080)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}}}}, 0x80, &(0x7f0000000000)=[{&(0x7f0000000400)="1f", 0x1}], 0x1, &(0x7f00000004c0)}, 0x40) ioctl$TIOCLINUX4(r0, 0x541c, &(0x7f0000000100)=0x4) 2018/03/31 21:06:08 executing program 3: r0 = socket(0x40000000015, 0x5, 0x0) r1 = syz_open_dev$mouse(&(0x7f00000001c0)='/dev/input/mouse#\x00', 0x0, 0x0) getsockopt$ARPT_SO_GET_ENTRIES(r0, 0x0, 0x61, &(0x7f0000000240)={'filter\x00', 0x1000, "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"}, &(0x7f0000000040)=0x1024) ioctl$KDSKBMODE(r1, 0x4b45, &(0x7f0000000000)=0x3) bind$inet(r0, &(0x7f00008a5ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) sendto$inet(r0, &(0x7f0000f7db7f)="ba671368d1010000004900000001000000018be49e930144286531", 0x1b, 0x0, &(0x7f0000000200)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) readv(r0, &(0x7f0000000180)=[{&(0x7f0000000140)=""/26, 0x1a}], 0x256) [ 887.680586] FAULT_INJECTION: forcing a failure. [ 887.680586] name failslab, interval 1, probability 0, space 0, times 0 [ 887.692329] CPU: 0 PID: 22707 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 887.699713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 887.709079] Call Trace: [ 887.711687] dump_stack+0x194/0x24d [ 887.715353] ? arch_local_irq_restore+0x53/0x53 [ 887.720052] should_fail+0x8c0/0xa40 [ 887.723785] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 887.728907] ? trace_hardirqs_off+0x10/0x10 [ 887.733254] ? find_held_lock+0x35/0x1d0 [ 887.737332] ? __lock_is_held+0xb6/0x140 [ 887.741424] ? check_same_owner+0x320/0x320 [ 887.745763] ? rcu_note_context_switch+0x710/0x710 [ 887.750713] should_failslab+0xec/0x120 [ 887.754694] kmem_cache_alloc_trace+0x4b/0x740 [ 887.759297] blkcg_css_alloc+0xc8/0x6b0 [ 887.763286] ? blkcg_deactivate_policy+0x430/0x430 [ 887.768225] ? __lock_is_held+0xb6/0x140 [ 887.772313] cgroup_apply_control_enable+0x44d/0xbc0 [ 887.777455] ? cgroup_propagate_control+0x570/0x570 [ 887.782494] ? css_populate_dir+0x289/0x420 [ 887.786828] cgroup_mkdir+0x56f/0xfc0 [ 887.790637] ? __lock_is_held+0xb6/0x140 [ 887.794724] ? cgroup_destroy_locked+0x750/0x750 [ 887.799492] ? rcu_read_lock_sched_held+0x108/0x120 [ 887.804524] ? kmem_cache_free+0x258/0x2a0 [ 887.808760] ? set_nlink+0xc1/0x160 [ 887.812375] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 887.817299] ? generic_permission+0x105/0x3c0 [ 887.821813] ? cgroup_destroy_locked+0x750/0x750 [ 887.826565] kernfs_iop_mkdir+0x153/0x1e0 [ 887.830719] vfs_mkdir+0x390/0x600 [ 887.834242] SyS_mkdirat+0x22b/0x2b0 [ 887.837946] ? SyS_mknod+0x480/0x480 [ 887.841657] ? do_fast_syscall_32+0x156/0xf9f [ 887.846162] ? SyS_mknod+0x480/0x480 [ 887.849857] do_fast_syscall_32+0x3ec/0xf9f [ 887.854164] ? do_int80_syscall_32+0x9c0/0x9c0 [ 887.858739] ? _raw_spin_unlock_irq+0x27/0x70 [ 887.863226] ? finish_task_switch+0x1c1/0x7e0 [ 887.867725] ? syscall_return_slowpath+0x2ac/0x550 [ 887.872640] ? prepare_exit_to_usermode+0x350/0x350 [ 887.877648] ? sysret32_from_system_call+0x5/0x3c [ 887.882489] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 887.887340] entry_SYSENTER_compat+0x70/0x7f [ 887.891738] RIP: 0023:0xf7faec99 [ 887.895082] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 887.902775] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 887.910312] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 887.917574] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 887.924836] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 887.932098] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/03/31 21:06:08 executing program 4: eventfd2(0x0, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000eaeff5)='/dev/vhost-net\x00', 0x2, 0x0) openat$ppp(0xffffffffffffff9c, &(0x7f0000dfc000)='/dev/ppp\x00', 0x0, 0x0) time(&(0x7f0000000000)) unshare(0x400) pselect6(0x40, &(0x7f0000f33fc0)={0x3ffffd}, &(0x7f0000768000), &(0x7f0000086000), &(0x7f0000349000), &(0x7f0000f14000)={&(0x7f0000a65ff8), 0x8}) 2018/03/31 21:06:08 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x1) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000f68000)={@loopback={0x0, 0x1}, 0x800, 0x0, 0xff, 0x1}, 0x20) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000000)=0x8, 0x4) r1 = syz_open_dev$mice(&(0x7f0000000080)='/dev/input/mice\x00', 0x0, 0x80) ioctl$LOOP_SET_DIRECT_IO(r1, 0x4c08, 0x24d) connect$inet6(r0, &(0x7f000000cfe4)={0xa, 0x0, 0x807}, 0x1c) sendmmsg(r0, &(0x7f0000008a00)=[{{0x0, 0x0, &(0x7f0000001240), 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="0c00000099adaa500ef9f915"], 0xc}}], 0x1, 0x0) 2018/03/31 21:06:08 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000580)=@known='system.sockprotoname\x00', &(0x7f0000000380)=""/159, 0x9f) 2018/03/31 21:06:08 executing program 7: unshare(0x60000003) r0 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$IP6T_SO_GET_INFO(r0, 0x29, 0x40, &(0x7f0000000080)={"72617700000000000000000000f200"}, &(0x7f0000000780)=0xfffffffffffffe9c) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) ioctl$sock_inet_udp_SIOCINQ(r1, 0x541b, &(0x7f0000000500)) 2018/03/31 21:06:08 executing program 3: perf_event_open(&(0x7f000025c000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000040)="6e65742f6465765f6d6361737400c087ea55011e14c9e347dd1f55a6026a1cb7e067f3c577981c0994a1e80d90d49d68bdbc91fab9c1c7f063e676e83c740e2d647534a1045850a23665d81ca07270193f5d003c10e34239844c5b6e8d1721c0b53a91c2f6ec1e5484645db3df") openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000100)='clear_refs\x00') ioctl$TUNSETSNDBUF(r0, 0x400454d4, &(0x7f0000000140)=0x1) ioctl$KVM_ASSIGN_SET_MSIX_ENTRY(r0, 0x4010ae74, &(0x7f0000000280)={0x3, 0x6, 0x87dc}) perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_int(r2, 0x29, 0xc8, &(0x7f00008d6000), 0x4) ioctl$KVM_SET_GSI_ROUTING(r1, 0x4008ae6a, &(0x7f00000001c0)=ANY=[@ANYBLOB="0300000000000000008000000500000000000000000000000600000004000000ff0100000000000000000000000000000000000000000000ffff000002000000000000000000000001ffffffffffffff070000000000000002000000ff0000000700000008000000030000000200000000000000000000000000000005000000000000000000000000000000000000000000000000000000"]) setsockopt$inet6_int(r2, 0x29, 0xc8, &(0x7f0000ac5000), 0x4) socket$inet(0x2, 0x0, 0x0) r3 = openat$cuse(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cuse\x00', 0x0, 0x0) ioctl$KVM_SET_TSS_ADDR(0xffffffffffffffff, 0xae47, 0xd000) ioctl(0xffffffffffffffff, 0x0, &(0x7f00000014c0)) sendfile(r1, r0, &(0x7f00000000c0)=0xf, 0x6ed) ioctl$FIONREAD(r3, 0x541b, &(0x7f0000000180)) 2018/03/31 21:06:08 executing program 5: r0 = open(&(0x7f0000000000)='./file0\x00', 0x2103, 0x132) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/expire_nodest_conn\x00', 0x2, 0x0) ioctl$FUSE_DEV_IOC_CLONE(r0, 0x8004e500, &(0x7f00000000c0)=r0) keyctl$set_reqkey_keyring(0xe, 0x0) finit_module(r0, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/expire_nodest_conn\x00', 0x2) 2018/03/31 21:06:08 executing program 1 (fault-call:6 fault-nth:40): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:08 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) statfs(&(0x7f0000000040)='./file0\x00', &(0x7f0000000480)=""/4096) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) [ 888.421812] FAULT_INJECTION: forcing a failure. [ 888.421812] name failslab, interval 1, probability 0, space 0, times 0 [ 888.433148] CPU: 0 PID: 22731 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 888.440607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 888.449989] Call Trace: [ 888.452582] dump_stack+0x194/0x24d [ 888.456223] ? arch_local_irq_restore+0x53/0x53 [ 888.460920] should_fail+0x8c0/0xa40 [ 888.464659] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/03/31 21:06:08 executing program 7: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000180)={'syz_tun\x00', &(0x7f0000000200)=@ethtool_coalesce={0xf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffff800}}) setsockopt$inet_MCAST_MSFILTER(r0, 0x0, 0x30, &(0x7f0000000280)={0x2, {{0x2, 0x4e21, @broadcast=0xffffffff}}, 0x1, 0x4, [{{0x2, 0x4e22}}, {{0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xc}}}, {{0x2, 0x4e20, @multicast1=0xe0000001}}, {{0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}]}, 0x28c) 2018/03/31 21:06:08 executing program 5: getpgrp(0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000080)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000040)=ANY=[@ANYBLOB='<'], 0x1) [ 888.469784] ? trace_hardirqs_off+0x10/0x10 [ 888.474129] ? find_held_lock+0x35/0x1d0 [ 888.478238] ? __lock_is_held+0xb6/0x140 [ 888.482329] ? check_same_owner+0x320/0x320 [ 888.486668] ? rcu_note_context_switch+0x710/0x710 [ 888.491627] should_failslab+0xec/0x120 [ 888.495613] kmem_cache_alloc_trace+0x4b/0x740 [ 888.500258] blkcg_css_alloc+0xc8/0x6b0 [ 888.504246] ? blkcg_deactivate_policy+0x430/0x430 [ 888.509273] ? __lock_is_held+0xb6/0x140 [ 888.513361] cgroup_apply_control_enable+0x44d/0xbc0 [ 888.518486] ? cgroup_propagate_control+0x570/0x570 [ 888.523522] ? css_populate_dir+0x289/0x420 [ 888.527859] cgroup_mkdir+0x56f/0xfc0 [ 888.531666] ? __lock_is_held+0xb6/0x140 [ 888.535746] ? cgroup_destroy_locked+0x750/0x750 [ 888.540524] ? rcu_read_lock_sched_held+0x108/0x120 [ 888.545550] ? kmem_cache_free+0x258/0x2a0 [ 888.549795] ? set_nlink+0xc1/0x160 [ 888.553436] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 888.558366] ? generic_permission+0x105/0x3c0 [ 888.562872] ? cgroup_destroy_locked+0x750/0x750 [ 888.567639] kernfs_iop_mkdir+0x153/0x1e0 [ 888.571785] vfs_mkdir+0x390/0x600 [ 888.575323] SyS_mkdirat+0x22b/0x2b0 [ 888.579038] ? SyS_mknod+0x480/0x480 [ 888.583550] ? do_fast_syscall_32+0x156/0xf9f [ 888.588040] ? SyS_mknod+0x480/0x480 [ 888.591743] do_fast_syscall_32+0x3ec/0xf9f [ 888.596059] ? do_int80_syscall_32+0x9c0/0x9c0 [ 888.600629] ? _raw_spin_unlock_irq+0x27/0x70 [ 888.605112] ? finish_task_switch+0x1c1/0x7e0 [ 888.609600] ? syscall_return_slowpath+0x2ac/0x550 [ 888.614519] ? prepare_exit_to_usermode+0x350/0x350 [ 888.619524] ? sysret32_from_system_call+0x5/0x3c [ 888.624621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 888.629458] entry_SYSENTER_compat+0x70/0x7f [ 888.633849] RIP: 0023:0xf7faec99 [ 888.637196] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 888.644891] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 888.652144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 888.659400] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 888.666655] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 888.673908] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/03/31 21:06:09 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f0000000080)={0x2}, 0x10) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_crypto(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10040022}, 0xc, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="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"], 0x110}, 0x1, 0x0, 0x0, 0x400c001}, 0x0) writev(r1, &(0x7f00003bc000)=[{&(0x7f0000549000)="29000000200019fff63d0014000000060200001615de0005000000040d000a000000000000f9000008", 0x29}], 0x1) writev(r0, &(0x7f0000df9000)=[{&(0x7f0000354ff8)='\'', 0x1}], 0x1) 2018/03/31 21:06:09 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0x100000000, 0x60200) 2018/03/31 21:06:09 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x0) setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f00000002c0)={0x21b, 0x0, 0x6, 0x6}, 0x10) setsockopt$ALG_SET_KEY(0xffffffffffffffff, 0x117, 0x1, &(0x7f0000000180)="598b3fa018", 0x5) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280)='/dev/kvm\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f00000003c0)={0x0, 0x3f}, &(0x7f0000000400)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000440)={r3, 0x5dcf}, &(0x7f0000000480)=0x8) r4 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) memfd_create(&(0x7f0000000040)='/dev/kvm\x00', 0x0) ioctl$KVM_S390_INTERRUPT_CPU(0xffffffffffffffff, 0x4010ae94, &(0x7f00000000c0)={0x0, 0x0, 0x5e}) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000300)={0x0, 0x17}, &(0x7f0000000340)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000380)={0x0, 0x36, 0x201, 0x0, 0x9, 0x0, 0x0, 0x48a}, 0x20) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)) openat$vcs(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vcs\x00', 0x0, 0x0) pipe2(&(0x7f0000000080), 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_TSS_ADDR(r4, 0xae47, 0xd000) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) readv(0xffffffffffffffff, &(0x7f00000001c0)=[{&(0x7f0000000100)=""/128, 0x80}], 0x1) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$KVM_RUN(r5, 0xae80, 0x0) 2018/03/31 21:06:09 executing program 1 (fault-call:6 fault-nth:41): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:09 executing program 5: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000085ff8)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = getpid() listen(r1, 0x8) sendmsg$unix(r0, &(0x7f00000008c0)={&(0x7f0000000040)=@abs, 0x6e, &(0x7f0000000300), 0x0, &(0x7f0000000800)=[@cred={0x18, 0x1, 0x2, r2}, @cred={0x18, 0x1, 0x2, r2}], 0x30}, 0x0) socket$unix(0x1, 0x3, 0x0) 2018/03/31 21:06:09 executing program 4: set_mempolicy(0x4005, &(0x7f0000000000)=0x2, 0x9) r0 = creat(&(0x7f0000000040)='./file0\x00', 0x80) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000080)={0xaa}) 2018/03/31 21:06:09 executing program 3: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) statfs(&(0x7f0000000040)='./file0\x00', &(0x7f0000000480)=""/4096) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:06:09 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) [ 888.834696] netlink: 'syz-executor7': attribute type 10 has an invalid length. [ 888.868539] FAULT_INJECTION: forcing a failure. [ 888.868539] name failslab, interval 1, probability 0, space 0, times 0 2018/03/31 21:06:09 executing program 0: getpid() ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000280)) fcntl$getown(0xffffffffffffff9c, 0x9) r0 = memfd_create(&(0x7f0000000600)='-vmnet0vmnet1\x00', 0x3) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000680)='IPVS\x00') sendmsg$IPVS_CMD_GET_CONFIG(r0, &(0x7f0000000780)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x108000}, 0xc, &(0x7f0000000740)={&(0x7f00000006c0)={0x60, r1, 0x32, 0x70bd26, 0x25dfdbff, {0xd}, [@IPVS_CMD_ATTR_DAEMON={0x4c, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'ip_vti0\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0xfff}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @remote={0xac, 0x14, 0x14, 0xbb}}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x4) getsockname(0xffffffffffffff9c, &(0x7f00000001c0)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @dev}}}, &(0x7f00000005c0)=0x80) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000001d80)='/dev/ppp\x00', 0x191000, 0x0) fcntl$dupfd(r2, 0x406, r3) r4 = fcntl$getown(0xffffffffffffffff, 0x9) r5 = syz_open_procfs(r4, &(0x7f0000000380)="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") ioctl$VHOST_SET_MEM_TABLE(r5, 0x4008af03, &(0x7f0000000140)={0x2, 0x0, [{0x0, 0xaf, &(0x7f0000000000)=""/175}, {0x115004, 0x52, &(0x7f00000000c0)=""/82}]}) fgetxattr(r5, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) openat$hwrng(0xffffffffffffff9c, &(0x7f00000007c0)='/dev/hwrng\x00', 0x0, 0x0) 2018/03/31 21:06:09 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000e84000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) openat$ppp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ppp\x00', 0x0, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000516000)) ioctl$KVM_SET_PIT(r1, 0x8048ae66, &(0x7f0000000000)={[{0x4, 0x9, 0x5, 0x6, 0x9, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x6, 0x7}, {0x5, 0x80000001, 0x1, 0xbdda, 0x400, 0x1e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7fff}, {0xff, 0x7, 0x6, 0x2d, 0xff, 0x1, 0x1, 0x7, 0x6}]}) [ 888.879870] CPU: 1 PID: 22762 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 888.887230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 888.896580] Call Trace: [ 888.899172] dump_stack+0x194/0x24d [ 888.902807] ? arch_local_irq_restore+0x53/0x53 [ 888.907477] ? unwind_get_return_address+0x61/0xa0 [ 888.912673] should_fail+0x8c0/0xa40 [ 888.916394] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 888.921502] ? save_stack+0x43/0xd0 [ 888.925128] ? kasan_kmalloc+0xad/0xe0 [ 888.929028] ? cgroup_mkdir+0x56f/0xfc0 [ 888.932996] ? kernfs_iop_mkdir+0x153/0x1e0 [ 888.937305] ? vfs_mkdir+0x390/0x600 [ 888.941025] ? do_fast_syscall_32+0x3ec/0xf9f [ 888.945519] ? entry_SYSENTER_compat+0x70/0x7f [ 888.950089] ? find_held_lock+0x35/0x1d0 [ 888.954152] ? __lock_is_held+0xb6/0x140 [ 888.958213] ? check_same_owner+0x320/0x320 [ 888.962617] ? rcu_note_context_switch+0x710/0x710 [ 888.967525] ? __lock_is_held+0xb6/0x140 [ 888.971578] should_failslab+0xec/0x120 [ 888.975535] kmem_cache_alloc_trace+0x4b/0x740 [ 888.980097] ? rcu_read_lock_sched_held+0x108/0x120 [ 888.985094] ? kmem_cache_alloc_trace+0x459/0x740 [ 888.989924] cfq_cpd_alloc+0x54/0x90 [ 888.993795] blkcg_css_alloc+0x165/0x6b0 [ 888.997840] ? cfqg_set_weight_device+0x40/0x40 [ 889.002489] ? blkcg_deactivate_policy+0x430/0x430 [ 889.007408] ? __lock_is_held+0xb6/0x140 [ 889.011455] cgroup_apply_control_enable+0x44d/0xbc0 [ 889.016555] ? cgroup_propagate_control+0x570/0x570 [ 889.021555] ? css_populate_dir+0x289/0x420 [ 889.025869] cgroup_mkdir+0x56f/0xfc0 [ 889.029650] ? __lock_is_held+0xb6/0x140 [ 889.033693] ? cgroup_destroy_locked+0x750/0x750 [ 889.038429] ? rcu_read_lock_sched_held+0x108/0x120 [ 889.043426] ? kmem_cache_free+0x258/0x2a0 [ 889.047640] ? set_nlink+0xc1/0x160 [ 889.051257] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 889.056164] ? generic_permission+0x105/0x3c0 [ 889.060643] ? cgroup_destroy_locked+0x750/0x750 [ 889.065389] kernfs_iop_mkdir+0x153/0x1e0 [ 889.069516] vfs_mkdir+0x390/0x600 [ 889.073037] SyS_mkdirat+0x22b/0x2b0 [ 889.076731] ? SyS_mknod+0x480/0x480 [ 889.080430] ? do_fast_syscall_32+0x156/0xf9f [ 889.084914] ? SyS_mknod+0x480/0x480 [ 889.088607] do_fast_syscall_32+0x3ec/0xf9f [ 889.092910] ? do_int80_syscall_32+0x9c0/0x9c0 [ 889.097469] ? _raw_spin_unlock_irq+0x27/0x70 [ 889.101952] ? finish_task_switch+0x1c1/0x7e0 [ 889.106429] ? syscall_return_slowpath+0x2ac/0x550 [ 889.111338] ? prepare_exit_to_usermode+0x350/0x350 [ 889.116506] ? sysret32_from_system_call+0x5/0x3c [ 889.121327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 889.126151] entry_SYSENTER_compat+0x70/0x7f [ 889.130538] RIP: 0023:0xf7faec99 2018/03/31 21:06:09 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'hash\x00', 0x0, 0x0, 'hmac(sha1-generic)\x00'}, 0x58) r1 = syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0xc57, 0x2) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000140)={@dev={0xfe, 0x80, [], 0x14}, 0xbd1, 0x2, 0x2, 0xc, 0x316, 0x6, 0xffff}, 0x20) r2 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$EBT_SO_GET_INIT_INFO(r2, 0x0, 0x82, &(0x7f0000000040)={'nat\x00'}, &(0x7f00000000c0)=0x50) accept4$alg(r1, 0x0, 0x0, 0x800) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000300)="0333f61813c8d04d93c6248f0818a1045303720ea4868d76524c69edc503752f97ece6773c8481fbe761e2e0ceafe8d2d54337b6ef05f313b7f4c18f7e1b71a4e4", 0x41) r3 = socket(0x10, 0x3, 0x0) write(r3, &(0x7f0000000000)="2400000052001f0014f9f407000904000a00071008000100feffffff0800000000000000", 0x24) [ 889.133878] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 889.141564] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 889.148810] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 889.156060] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 889.163398] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 889.170643] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 889.188171] netlink: 'syz-executor7': attribute type 10 has an invalid length. 2018/03/31 21:06:09 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r0, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x0, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x19}}, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) r1 = getpid() ptrace$getregset(0x4204, r1, 0x201, &(0x7f0000000480)={&(0x7f0000000780)=""/221, 0xdd}) fcntl$setstatus(r0, 0x4, 0x6000) pread64(r0, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) setsockopt$inet_icmp_ICMP_FILTER(r0, 0x1, 0x1, &(0x7f0000000100)={0x8}, 0x4) add_key$keyring(&(0x7f0000000640)='keyring\x00', &(0x7f0000000740)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, 0x0) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a, 0x0}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", 0x0) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000500)=0x0) getpriority(0x800000000000, r2) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) syncfs(r0) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325", 0x5a, 0x0) syz_open_dev$sndtimer(&(0x7f0000000580)='/dev/snd/timer\x00', 0x0, 0x0) 2018/03/31 21:06:09 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fallocate(r0, 0x2, 0x35, 0x2) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:06:09 executing program 5: r0 = socket(0x1000000010, 0x802, 0x0) sendmsg$nl_route(r0, &(0x7f0000490000)={&(0x7f00008d4000)={0x10}, 0xc, &(0x7f00002c9ff0)={&(0x7f000083ef98)=@ipv4_newroute={0x28, 0x18, 0x303, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, [@RTA_MULTIPATH={0xc, 0x9, [{0x40}]}]}, 0x28}, 0x1}, 0x0) getsockname$unix(r0, &(0x7f00000000c0), &(0x7f0000000140)=0x6e) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000180)=0x0) prctl$setptracer(0x59616d61, r1) r2 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x1ff, 0x8c02) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r2, 0x40505330, &(0x7f0000000040)={{0xe, 0x6}, {0x100000000, 0xff}, 0x10001, 0x2, 0x49d}) [ 889.282758] pit: kvm: requested 3352 ns i8254 timer period limited to 500000 ns 2018/03/31 21:06:09 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000000c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x109fe) 2018/03/31 21:06:09 executing program 3: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x200200, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) sendto(r0, &(0x7f0000000100)="9bdf8f3520ef72c02fd63ad0ac70ad7febd365559c4a7124cc171a5d1f7e32eec5ff47cb219bf5b9d1620992e258e803851bea4d9bf2774c39fc9f3dda6d7a3f3e7c74e87325f438fa8f0b69ba6973131767f047db81615f4ed7b8c783aa0b19e1c4ff83511a99a1e1a34ab4c9fa9fa03e71ca752005043285ce7f", 0x7b, 0x40800, &(0x7f0000000180)=@pppol2tpv3in6={0x18, 0x1, {0x0, r1, 0x3, 0x0, 0x4, 0x1, {0xa, 0x4e20, 0x3ff, @mcast2={0xff, 0x2, [], 0x1}, 0x5ee}}}, 0x80) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000200)=0x0) ptrace$getsig(0x4202, r2, 0x5, &(0x7f0000000240)) r3 = inotify_init1(0x0) r4 = getpid() fcntl$setownex(r1, 0xf, &(0x7f0000000080)={0x3, r4}) fcntl$setown(r3, 0x8, 0xffffffffffffffff) fcntl$getownex(r3, 0x10, &(0x7f000045fff8)={0x0, 0x0}) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x0, 0x4, @tid=r5}, &(0x7f0000000000)) 2018/03/31 21:06:09 executing program 5: r0 = socket$inet6(0xa, 0x80005, 0x0) sendmsg(r0, &(0x7f00000000c0)={&(0x7f0000000000)=@in={0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x80, &(0x7f0000000080)=[{&(0x7f0000000200)="1fe4f0b6da6031bfe61334b8f552a3c4fb312469c21267105dc14a0928f4a0aba79cf2c0cf8e60b2982cb2fda979ccb259c43b8914fda535753a90277a50b56d6dd95df08b5458b84b08fec7d4b06863bc45bd3cab3afcd5b24ebe03a2658aa092d8127b410be30ea4293d77938b55b77ad4c1db735229c39f6001745fcc1b74240e858e0ddf6b2f476a7b85d3842e20027c9b2c18818733d339d8bece634c713ead279ac5d35844779b1424ae48ae8cf089340014c528beea9e04a2770821b4adbb34db8d6c49203e0c185412224d582d66547a984ba5a5db", 0xd9}, {&(0x7f0000000300)="747c6f65e5fe3538a82361f7ea618bde572ced5398c633e50a33133314553099aabd933fb3f75716b22aeca0ea52c5043296ff083bc5a2ffa690388c2f04c64f78e8ee41e6329630f22e0fcf170ae98346ece12b35561e8c5def4283104afb6a0155c217d3cdb1cb8b54a79a2d44d6cd2d361394023ca632e08eb656563275470c22c37dc6f4a3127c616600968a744d20390f70051a9fde38fcd7d904407593e781df31d419a7f1b7e941e8c15ceaa34caf0aee1f65dcb3354a26", 0xbb}, {&(0x7f0000000740)="61c1b3deb42966a3b8ec230e88b3007e54294299f8e8b12801959c1a570b6a27f67868df34a74b5a7175377e71b3cd524dcda8579cf203544fc6895e7722617a95511692478c5cca32d55dfd62af9b9db24477a30f49aa552ee471229838618680b5035189ea91ee941e8ffbe3f4ad96b4a2c67c1f2e5965f52622bc8f441b112be17e2692865ae2f3a269a20dbc3116832499533ff5af720a62f92f72d6d9ec0a39094339304f5e024983e779102bad68491f5b558766c281a98ac4f38fba53", 0xc0}], 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0xfffffffffffffd75, 0x40}, 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000800)={0x4, [0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000400)=0x14) r1 = syz_open_dev$urandom(&(0x7f00000003c0)='/dev/urandom\x00', 0x0, 0x10000) r2 = add_key(&(0x7f0000000440)='ceph\x00', &(0x7f0000000840)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000880)="5f40789368e20454ed511b5b87ed7dc35e26c3e92329b2003ee3a0e071c377930d846db138b2d0c3e588bcf92825e8e6d2f8c1d34b8750e364bc30f9ae71118f849c", 0x42, 0xfffffffffffffffb) ioctl$int_in(r1, 0x5473, &(0x7f0000000ac0)=0x4) keyctl$describe(0x6, r2, &(0x7f0000000900)=""/195, 0xc3) r3 = syz_open_dev$vcsa(&(0x7f0000000a00)='/dev/vcsa#\x00', 0x3, 0x105201) getpeername$llc(r3, &(0x7f0000000a40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000a80)=0x10) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000000100)=""/177, &(0x7f00000001c0)=0xb1) 2018/03/31 21:06:09 executing program 7: mmap(&(0x7f000092d000/0x400000)=nil, 0x400000, 0x7fffffff, 0x2000000208972, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000b80000/0x2000)=nil, 0x2000, 0x10) r0 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x57208543, 0x0) ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r0, 0xc0305302, &(0x7f0000000000)={0xdbc, 0x80000000, 0x80, 0x9d77, 0x10000000401, 0xffff}) madvise(&(0x7f000092d000/0x400000)=nil, 0x400000, 0x10200000008) r1 = dup(0xffffffffffffff9c) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f00000000c0), &(0x7f0000000240)=0xfffffffffffffea1) clone(0x0, &(0x7f0000000000), &(0x7f0000000ffc), &(0x7f0000000ffc), &(0x7f0000000000)) mlock(&(0x7f0000a67000/0x2000)=nil, 0x2000) mremap(&(0x7f0000c73000/0x2000)=nil, 0x2000, 0x3000, 0x3, &(0x7f0000ffc000/0x3000)=nil) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000000300)) pkey_mprotect(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0xffffffffffffffff) ioctl$KVM_X86_SETUP_MCE(r4, 0x4008ae9c, &(0x7f0000000000)) r5 = getpid() ptrace$getregs(0xc, r5, 0x9, &(0x7f00000002c0)=""/10) ioctl$DRM_IOCTL_ADD_MAP(r0, 0xc0286415, &(0x7f0000000080)={&(0x7f0000bc7000/0x400000)=nil, 0x1000, 0x0, 0xab, &(0x7f0000b77000/0x4000)=nil, 0x6}) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r1, 0x84, 0x13, &(0x7f0000000100)={0x0, 0x100000001}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000180)={r6, @in={{0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x1a}}}}, &(0x7f0000000280)=0x84) 2018/03/31 21:06:09 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_TSS_ADDR(r1, 0xae47, 0xd000) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = perf_event_open(&(0x7f0000940000)={0x2, 0x78, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r3, 0x40082406, &(0x7f00009d3f6c)="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") perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000bdb000)='./file0\x00', 0x3ffffffffffe) r4 = syz_open_dev$mice(&(0x7f0000000080)='/dev/input/mice\x00', 0x0, 0x800) sendmsg$kcm(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000180)=[{&(0x7f00000000c0)="c53a5852322601e828f4a3c7c5dea51a8d1a000a3764c8a718e8066698b75e2dcab8641f71dbf03cf1b5e7f6423439b476bcac2b1f381211ac4c59183315744f80563eb0cbb6c149fe22046f6bda82df90280063c2b179b7ff87873a42d371021dd0adb74d168daaadcf1e4981588d5c5baf9b2040b9c05b93c8d0208299be070ea401766b08eadbf4567d23418e", 0x8e}], 0x1, &(0x7f00000015c0)=ANY=[], 0x0, 0x48800}, 0x0) unshare(0x0) openat$ppp(0xffffffffffffff9c, &(0x7f0000000200)='/dev/ppp\x00', 0x10000, 0x0) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000280)={{{@in=@loopback, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@loopback}}, &(0x7f0000000380)=0xe8) r6 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0xd4, 0x86802) setsockopt$packet_add_memb(r6, 0x107, 0x1, &(0x7f0000000400)={r5, 0x1, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/sequencer2\x00', 0x4800, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000140), &(0x7f0000000180)=0x4) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000240)={0x5}) sendfile(r2, r2, &(0x7f00000003c0), 0x469d) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f0000000440)=0x3, &(0x7f0000000480)=0x4) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000001000/0x18000)=nil, &(0x7f0000000100)=[@text16={0x10, &(0x7f0000000280)="16f20f7d28886b7f66b80500000066b9b63a9f710f01c10f0866b8020000000f23d80f21f86635c00000d00f23f80f0132ba6100ec26f26f0f01de", 0x3b}], 0x1, 0x0, &(0x7f0000000040), 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r7 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x8000) setsockopt$bt_BT_VOICE(r7, 0x112, 0xb, &(0x7f0000000080)=0x2, 0x2) setsockopt$inet_sctp6_SCTP_CONTEXT(r7, 0x84, 0x11, &(0x7f00000002c0)={0x0, 0xdf}, 0x8) 2018/03/31 21:06:09 executing program 1 (fault-call:6 fault-nth:42): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:09 executing program 4: sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000240)=@nl=@kern={0x10}, 0x80, &(0x7f0000000000)=[{&(0x7f0000000040)="5500000018007fafb72d1cb2b9a280930a060000dda843cf19d0f869390009002f000000040000001900050000001700000000dc1338d54400009b8413010066b3ea546ae5dda1bb0da5f75b0a", 0x4d}], 0x1, &(0x7f0000000080)}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='mounts\x00') mount(&(0x7f0000000080)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000000380)="23507fe5e2ab14402dec4e5caa65eae9dc25816af2563e18187a6e14cff5ccdfb69809f7525f1413635a913549a553fb6294f2887bccff619c06717d8f6696f83d7ab747d8114a618560f7efb6493662125601ea8ad23861bec6b5a1da7269ee1e5e3ad4bf74824621d3d2885e7dc585ced5eef658702b0b259f02cdd661ed7716855610b20ddb0b627621b33c374377128d6c74ee97bbe39f6007bb87166c09c7807611feb5575706adc134bb6ba1ef957842d40694d5d251a1") mknod(&(0x7f00000002c0)='.', 0xc000, 0x3f) preadv(r0, &(0x7f00000023c0)=[{&(0x7f00000012c0)=""/4096, 0x1000}], 0x1, 0x0) lstat(&(0x7f0000000100)='.', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0}) sendfile(r0, r0, 0x0, 0x1) quotactl(0x0, &(0x7f00000000c0)='.', r1, &(0x7f0000000200)="b37311eab6d3218e344dfe71c94ec5bdb0577711ea489b3512d0fcebed979ce58ad9") 2018/03/31 21:06:09 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) sync_file_range(r0, 0x800, 0x4, 0x1) mlock(&(0x7f0000ffc000/0x1000)=nil, 0x1000) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000040)={{{@in6, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in=@multicast2}}, &(0x7f0000000140)=0xe8) ioctl$sock_inet6_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000180)={@empty, 0x26, r1}) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000380)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, 0xffffffffffffff0f, 0x9f09, 0x0, 0xffffffff, 0x2}, &(0x7f00000001c0)=0x98) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000280)={r3, 0x1}, 0x8) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vga_arbiter\x00', 0x0, 0x0) 2018/03/31 21:06:09 executing program 3: r0 = perf_event_open(&(0x7f0000001f88)={0x1, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000fff)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000f1f000/0x2000)=nil, 0x2000, 0xa, 0x11, r0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000f1fff6)='/dev/vcs#\x00', 0x0, 0x0) mprotect(&(0x7f0000f1f000/0x2000)=nil, 0x2000, 0x3) ioctl$DRM_IOCTL_AGP_ALLOC(r1, 0xc0106434, &(0x7f0000000000)={0x9, 0x0, 0x10000, 0x1f}) ioctl$DRM_IOCTL_SG_FREE(r1, 0x40086439, &(0x7f0000000040)={0x18000, r2}) ioctl$DRM_IOCTL_SG_FREE(r1, 0x40086439, &(0x7f0000000100)={0xc2, r2}) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000080)=[@in6={0xa, 0x4e24, 0x9, @remote={0xfe, 0x80, [], 0xbb}, 0x3}, @in6={0xa, 0x4e23, 0x0, @dev={0xfe, 0x80, [], 0xa}, 0x5}, @in6={0xa, 0x4e22, 0x9, @mcast1={0xff, 0x1, [], 0x1}, 0xfffffffffffffff8}, @in6={0xa, 0x4e21, 0x2b46, @loopback={0x0, 0x1}}], 0x70) 2018/03/31 21:06:09 executing program 5: perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet(0xffffffffffffffff, &(0x7f0000e5b000)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) r0 = dup2(0xffffffffffffffff, 0xffffffffffffff9c) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x1) r1 = socket(0x1f, 0x5, 0x1c4) bind$inet(r1, &(0x7f0000fc4ff0)={0x2, 0x0, @loopback=0x7f000001}, 0xdb) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r0, 0x111, 0x1, 0xcc5, 0x4) connect$inet(r1, &(0x7f0000adf000)={0x2, 0x0, @loopback=0x7f000001}, 0x10) socket$inet_tcp(0x2, 0x1, 0x0) read(r1, &(0x7f000083b000)=""/1, 0x1) symlinkat(&(0x7f00000000c0)='./file0\x00', r0, &(0x7f0000000100)='./file0\x00') sendmsg$alg(r1, &(0x7f0000159fc8)={0x0, 0x0, &(0x7f0000fc8000), 0x0, &(0x7f0000000e8e)}, 0x0) perf_event_open(&(0x7f0000fdef88)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x101001, 0x0) writev(r2, &(0x7f00000000c0)=[{&(0x7f0000001180)="0bf5430f000319", 0x7}], 0x1) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x4, 0x4011, 0xffffffffffffffff, 0x0) writev(0xffffffffffffffff, &(0x7f0000007000)=[{&(0x7f0000b23000)="82aaabfc6c5b1c7a6718badabd246d62c80270e00d637af19152d09e59a695e5ecb4b013dea5c5ab0458f38fca", 0x2d}], 0x1) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) prctl$setendian(0x14, 0x3) symlink(&(0x7f0000000300)='./control\x00', &(0x7f0000000200)='./control\x00') getsockopt$inet_mreqn(r1, 0x0, 0x20, &(0x7f0000000180)={@local, @broadcast}, &(0x7f00000001c0)=0xc) ioctl$SIOCGIFHWADDR(r0, 0x8927, &(0x7f0000000140)) socket$kcm(0x29, 0x5, 0x0) [ 889.599202] FAULT_INJECTION: forcing a failure. [ 889.599202] name failslab, interval 1, probability 0, space 0, times 0 [ 889.610618] CPU: 0 PID: 22823 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 889.617994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 889.627365] Call Trace: [ 889.629950] dump_stack+0x194/0x24d [ 889.633579] ? arch_local_irq_restore+0x53/0x53 [ 889.638249] should_fail+0x8c0/0xa40 [ 889.641975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 889.647065] ? kasan_kmalloc+0xad/0xe0 [ 889.650937] ? cgroup_mkdir+0x56f/0xfc0 [ 889.654894] ? kernfs_iop_mkdir+0x153/0x1e0 [ 889.659196] ? vfs_mkdir+0x390/0x600 [ 889.662893] ? do_fast_syscall_32+0x3ec/0xf9f [ 889.667372] ? entry_SYSENTER_compat+0x70/0x7f [ 889.671944] ? find_held_lock+0x35/0x1d0 [ 889.675998] ? __lock_is_held+0xb6/0x140 [ 889.680058] ? check_same_owner+0x320/0x320 [ 889.684380] ? rcu_note_context_switch+0x710/0x710 [ 889.689306] ? __lock_is_held+0xb6/0x140 [ 889.693355] should_failslab+0xec/0x120 [ 889.697330] kmem_cache_alloc_trace+0x4b/0x740 [ 889.701894] ? rcu_read_lock_sched_held+0x108/0x120 [ 889.706902] ? kmem_cache_alloc_trace+0x459/0x740 [ 889.711738] cfq_cpd_alloc+0x54/0x90 [ 889.715452] blkcg_css_alloc+0x165/0x6b0 [ 889.719498] ? cfqg_set_weight_device+0x40/0x40 [ 889.724238] ? blkcg_deactivate_policy+0x430/0x430 [ 889.729156] ? __lock_is_held+0xb6/0x140 [ 889.733215] cgroup_apply_control_enable+0x44d/0xbc0 [ 889.738321] ? cgroup_propagate_control+0x570/0x570 [ 889.743340] ? css_populate_dir+0x289/0x420 [ 889.747653] cgroup_mkdir+0x56f/0xfc0 [ 889.751439] ? __lock_is_held+0xb6/0x140 [ 889.755513] ? cgroup_destroy_locked+0x750/0x750 [ 889.760255] ? rcu_read_lock_sched_held+0x108/0x120 [ 889.765266] ? kmem_cache_free+0x258/0x2a0 [ 889.769483] ? set_nlink+0xc1/0x160 [ 889.773095] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 889.778006] ? generic_permission+0x105/0x3c0 [ 889.782492] ? cgroup_destroy_locked+0x750/0x750 [ 889.787230] kernfs_iop_mkdir+0x153/0x1e0 [ 889.791374] vfs_mkdir+0x390/0x600 [ 889.794898] SyS_mkdirat+0x22b/0x2b0 [ 889.798695] ? SyS_mknod+0x480/0x480 [ 889.802392] ? do_fast_syscall_32+0x156/0xf9f [ 889.806870] ? SyS_mknod+0x480/0x480 [ 889.810581] do_fast_syscall_32+0x3ec/0xf9f [ 889.814890] ? do_int80_syscall_32+0x9c0/0x9c0 [ 889.819467] ? _raw_spin_unlock_irq+0x27/0x70 [ 889.823954] ? finish_task_switch+0x1c1/0x7e0 [ 889.828435] ? syscall_return_slowpath+0x2ac/0x550 [ 889.833349] ? prepare_exit_to_usermode+0x350/0x350 [ 889.838359] ? sysret32_from_system_call+0x5/0x3c [ 889.843186] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 889.848021] entry_SYSENTER_compat+0x70/0x7f [ 889.852414] RIP: 0023:0xf7faec99 [ 889.855758] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 889.863450] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 889.870711] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 889.877961] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 889.885210] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 889.892459] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/03/31 21:06:10 executing program 6: ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000040)=0x0) r1 = syz_open_dev$adsp(&(0x7f0000000180)='/dev/adsp#\x00', 0x8, 0x20500) perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x3, 0x101, 0x6, 0x64ff5faa, 0x0, 0x1, 0x80028, 0x4, 0x1, 0x200, 0x800, 0x0, 0x1, 0x0, 0xffffffffffffff01, 0x1, 0x1, 0x6, 0x100, 0x4aef6330, 0x8, 0x200, 0x101, 0x401, 0x4, 0x9, 0x7f, 0x3, 0x5, 0x7, 0x3, 0x9, 0x1f, 0x4, 0x4, 0xfffffffffffff7b1, 0x0, 0x6, 0x1, @perf_config_ext={0xffffffff, 0x21d}, 0x4000, 0x2, 0x1, 0x3, 0x7, 0x9, 0x8}, r0, 0x6, r1, 0x1) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r2 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r2, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:06:10 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000cab000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb-twofish-3way\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0311cfc093a52a7d86bd1", 0x10) clock_getres(0x0, &(0x7f0000000040)) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000938ff8), 0x228, &(0x7f00005c7ff0)=[@op={0x10, 0x117, 0x3, 0x1}], 0x10, 0x1}, 0x0) sendto(r1, &(0x7f0000000340)="8d85c80800e8ef4fea219de5c76d9408bbfeca0d8841e1a0c43669d9bd527f6cd4cf5b0e1b1022a2a7e5610d52e46040dba8da2803e30c7a5f0a70cb64d287dc619a69913f3e0dde5329316e64c0fe0d95ac9921955e4a0ef1e799dfffcca9c7cc72c6e2", 0x64, 0x0, 0x0, 0x0) recvmsg(r1, &(0x7f0000d2b000)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f000009bf9d)=""/99, 0x63}], 0x1, &(0x7f000084bfe8)=""/24, 0x18}, 0x0) r2 = add_key$keyring(&(0x7f00000001c0)='keyring\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffffe) add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000140)="90a17eea60af3e1f877b3d3cbe4ef1dcc08760b5e566c00fccbab0f9425c01291f0b820ecadc300788d646b23664a5985cac9e5ecbb7bf26681ca20689d02bd3bcb2aa876342aa443c788086b798e910cb396fc50116a80543ec875bfecda29bbcd1f08ce5c77c37eb7ee24f4df1f9c3a5a582177a1fbcb63358e2e3", 0x7c, r2) 2018/03/31 21:06:10 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_mreqn(r0, 0x0, 0x30, &(0x7f0000000000)={@empty, @multicast1}, &(0x7f0000000000)=0xc) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x1, 0x0) r2 = syz_open_dev$mouse(&(0x7f00000000c0)='/dev/input/mouse#\x00', 0x74, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r2, 0x4058534c, &(0x7f0000000100)={0x9, 0x1, 0x4, 0x40, 0x7, 0x1}) ioctl$VHOST_SET_OWNER(r2, 0xaf01, 0x0) ioctl$TIOCGWINSZ(r1, 0x5413, &(0x7f0000000080)) 2018/03/31 21:06:10 executing program 3: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet6_mreq(r0, 0x29, 0x0, &(0x7f0000000100)={@dev}, &(0x7f0000000300)=0x14) pipe2(&(0x7f0000989000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$sock_netrom_TIOCOUTQ(r2, 0x5411, &(0x7f0000000280)) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000240)={0xaa}) ioctl$KVM_REINJECT_CONTROL(0xffffffffffffffff, 0xae71, &(0x7f0000000340)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ioctl$KVM_GET_CLOCK(r1, 0x8030ae7c, &(0x7f00000002c0)) r4 = creat(&(0x7f000009aff8)='./file0\x00', 0x0) write$sndseq(r4, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) prctl$getreaper(0x1f, &(0x7f0000000180)) ioctl$KVM_SET_SREGS(r2, 0x4138ae84, &(0x7f0000000380)={{0x4, 0x100000, 0x0, 0x20, 0x4a39, 0x3, 0x5, 0x1f, 0x1ff, 0x8, 0x9, 0xb7}, {0x4000, 0x0, 0x0, 0x6a20, 0x1000000, 0xcd, 0x1, 0x1, 0x800, 0x5, 0x3f}, {0x10000, 0x0, 0x1d, 0x5, 0x9, 0x2, 0xbde, 0x10000, 0x400, 0x5, 0x1ff, 0x20}, {0x4000, 0xd001, 0x14, 0x1, 0x0, 0x1f, 0xa7, 0xfffffffffffeffff, 0x1, 0x1, 0x1800000000, 0x24000000}, {0x0, 0x4, 0xf, 0x1, 0x100, 0xfffffffffffffffd, 0x0, 0x9, 0x2, 0x0, 0x7, 0x7fffffff}, {0x6000, 0x4, 0xb, 0xfffffffffffffffc, 0x8, 0x9, 0x2, 0x6, 0x10000, 0x9, 0x2, 0x3}, {0x1, 0x171a47b0d1fe2652, 0x0, 0xaf6, 0x7, 0x1, 0xffff, 0xff, 0x4c79, 0x10e, 0xff, 0x9}, {0xd000, 0x4, 0xf, 0x3, 0xb4d, 0x0, 0x7, 0x800, 0x10001, 0x4, 0x80, 0x80000001}, {0x2, 0x4}, {0x107001, 0x2000}, 0x40000, 0x0, 0xf000, 0x2122, 0x9, 0x1000, 0xf000, [0x100, 0x3, 0x7, 0x2]}) utimes(&(0x7f0000000040)='./file0\x00', &(0x7f0000000140)) utimes(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)={{0x0, 0x7530}, {0x0, 0x7530}}) ioctl$KVM_RUN(r2, 0xae80, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f00000004c0)={0x0, 0x16}, &(0x7f0000000500)=0x8) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000600)=@assoc_value={r5, 0x5}, 0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000540)={r5, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, 0x100000001, 0x2}, 0x88) pwritev(r4, &(0x7f0000000000)=[{&(0x7f00000001c0)="9410c70b780ffe78df7ff089adc60b6ad840a1116e67b669703735c53dbecc33e651d777c0463e655bb7b9b9d4f31e6ab00a96ba5be45063b8c2f5176e2484c30e6b0c3be0", 0x45}], 0x1, 0x0) dup2(r1, r3) 2018/03/31 21:06:10 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") mmap(&(0x7f0000000000/0xe77000)=nil, 0xe77000, 0x3, 0x34, 0xffffffffffffffff, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r2, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x3, 0x200000, 0x2, 0x0, {0xa, 0x4e21, 0x3, @mcast1={0xff, 0x1, [], 0x1}, 0x4}}}, 0x32) r3 = socket$l2tp(0x18, 0x1, 0x1) fstat(r2, &(0x7f0000000000)) r4 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000240)='/dev/qat_adf_ctl\x00', 0x8084, 0x0) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000d0fff5)='/dev/audio\x00', 0x802, 0x0) ioctl$KVM_INTERRUPT(r5, 0x4004ae86, &(0x7f00000001c0)=0x6) ustat(0x6, &(0x7f0000000140)) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r4, 0x29, 0x20, &(0x7f0000000040)={@mcast2={0xff, 0x2, [], 0x1}, 0x7, 0x0, 0x2, 0x4, 0x5, 0x7, 0x7}, 0x20) ioctl$int_in(r5, 0x800000c0045002, &(0x7f0000000200)) r6 = add_key(&(0x7f0000000400)='ceph\x00', &(0x7f0000000440)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000480)="3f176b8932744cebff5d77e248eaa58bee9b33e07a44981ba7da24bf488961c14fa2892a43dad1f1bd73cc334eea8a18f64de7a9b1021ef9ab9589c1b1b081307cdae848555bd9bc6ab12f125eca495f61c2f4cd8dc909891568c689f14057a5491e266021fd8fda7dc8984080d355b7a77554d23757c4440134809f", 0x7c, 0xfffffffffffffff8) add_key$keyring(&(0x7f0000000380)='keyring\x00', &(0x7f00000003c0)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, r6) ppoll(&(0x7f0000000000)=[{r5}], 0x152, &(0x7f00000000c0), &(0x7f0000000100), 0x8) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r5, 0x84, 0x79, &(0x7f0000000180), 0x4) read(r5, &(0x7f0000000500)=""/143, 0xfffffffffffffe42) ioctl$sock_inet_SIOCSARP(r4, 0x40096101, &(0x7f00008da000)={{0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}, [0xfe]}, {}, 0x0, {0x2, 0x0, @loopback=0x7f000001}}) setsockopt$inet6_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x29, 0x2a, &(0x7f0000000280)={0xb5a, {{0xa, 0x4e22, 0x10001, @empty, 0xfffffffffffff537}}}, 0x88) bind$llc(r4, &(0x7f0000000080)={0x1a, 0x20, 0x100000001, 0x4, 0x6, 0x401, @random="d9f08308fda5"}, 0x10) userfaultfd(0x80800) fchmod(r5, 0x80) dup2(r3, r2) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:06:10 executing program 1 (fault-call:6 fault-nth:43): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:10 executing program 5: getcwd(&(0x7f0000000040)=""/194, 0xc2) r0 = socket$bt_hidp(0x1f, 0x3, 0x6) ioctl$sock_bt_hidp_HIDPGETCONNINFO(r0, 0x800448d3, &(0x7f0000000380)={{0x1, 0x3, 0xd986, 0x6cbe, 0x1b86b026, 0x679}, 0x9, 0x7, 0x2, 0x100000001, 0x8, "dfc76ba51b2f0a24f42f077408c101ee6e3d6ecfa4f0ffb808a74aa8e9e062bbdd24f085b73ff28765a6039c3f6ce990ef7ab5d30b0e0bc692e3f9f7740714573fe4ce2b9d0ea6641c66faed2d15ed5c1f2c713e64a69b81fe880eea2db3b14c3ddae2a940e4284207aa5ee43b4f655417af94125c9a2ea161e95b09fa0abf2b"}) ioctl(r0, 0x8, &(0x7f0000000000)="8145d286a152") r1 = syz_open_dev$sndseq(&(0x7f0000000340)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r1, 0xc08c5334, &(0x7f0000000280)={0xff, 0x800, 0x7fffffff, "717565756531000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100"}) ioctl$KVM_SET_GSI_ROUTING(r1, 0x4008ae6a, &(0x7f0000000140)={0x5, 0x0, [{0x0, 0x1, 0x0, 0x0, @msi={0x1, 0x5, 0x30000000}}, {0x10000, 0x3, 0x0, 0x0, @msi={0x9, 0x8000, 0x6}}, {0x0, 0x4, 0x0, 0x0, @adapter={0x6, 0xff, 0x3, 0x0, 0x97}}, {0x8000, 0x0, 0x0, 0x0, @msi={0x1, 0x7, 0x5}}, {0xfcca, 0x7, 0x0, 0x0, @irqchip={0xffffffffffffffff, 0x80000000}}]}) 2018/03/31 21:06:10 executing program 7: mmap(&(0x7f000092d000/0x400000)=nil, 0x400000, 0x7fffffff, 0x2000000208972, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000b80000/0x2000)=nil, 0x2000, 0x10) r0 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x57208543, 0x0) ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r0, 0xc0305302, &(0x7f0000000000)={0xdbc, 0x80000000, 0x80, 0x9d77, 0x10000000401, 0xffff}) madvise(&(0x7f000092d000/0x400000)=nil, 0x400000, 0x10200000008) r1 = dup(0xffffffffffffff9c) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f00000000c0), &(0x7f0000000240)=0xfffffffffffffea1) clone(0x0, &(0x7f0000000000), &(0x7f0000000ffc), &(0x7f0000000ffc), &(0x7f0000000000)) mlock(&(0x7f0000a67000/0x2000)=nil, 0x2000) mremap(&(0x7f0000c73000/0x2000)=nil, 0x2000, 0x3000, 0x3, &(0x7f0000ffc000/0x3000)=nil) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000000300)) pkey_mprotect(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0xffffffffffffffff) ioctl$KVM_X86_SETUP_MCE(r4, 0x4008ae9c, &(0x7f0000000000)) r5 = getpid() ptrace$getregs(0xc, r5, 0x9, &(0x7f00000002c0)=""/10) ioctl$DRM_IOCTL_ADD_MAP(r0, 0xc0286415, &(0x7f0000000080)={&(0x7f0000bc7000/0x400000)=nil, 0x1000, 0x0, 0xab, &(0x7f0000b77000/0x4000)=nil, 0x6}) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r1, 0x84, 0x13, &(0x7f0000000100)={0x0, 0x100000001}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000180)={r6, @in={{0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x1a}}}}, &(0x7f0000000280)=0x84) [ 890.217516] FAULT_INJECTION: forcing a failure. [ 890.217516] name failslab, interval 1, probability 0, space 0, times 0 [ 890.228835] CPU: 0 PID: 22851 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 890.236202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 890.245568] Call Trace: [ 890.248164] dump_stack+0x194/0x24d [ 890.251820] ? arch_local_irq_restore+0x53/0x53 [ 890.256514] should_fail+0x8c0/0xa40 [ 890.260245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 890.265382] ? find_held_lock+0x35/0x1d0 [ 890.267388] QAT: Stopping all acceleration devices. [ 890.269453] ? __lock_is_held+0xb6/0x140 [ 890.269487] ? check_same_owner+0x320/0x320 [ 890.269505] ? rcu_note_context_switch+0x710/0x710 [ 890.287812] should_failslab+0xec/0x120 [ 890.291795] __kmalloc_track_caller+0x5f/0x760 [ 890.296393] ? string+0x180/0x200 [ 890.299863] ? kstrdup_const+0x39/0x50 [ 890.303765] kstrdup+0x39/0x70 [ 890.306975] kstrdup_const+0x39/0x50 [ 890.310697] __kernfs_new_node+0xa2/0x570 [ 890.314854] ? kernfs_dop_revalidate+0x380/0x380 [ 890.319612] ? delete_node+0x2db/0xbc0 [ 890.323506] ? memset+0x31/0x40 [ 890.326803] ? snprintf+0xc0/0xf0 [ 890.329574] QAT: Stopping all acceleration devices. [ 890.330259] ? vsprintf+0x40/0x40 [ 890.330287] kernfs_new_node+0x80/0xe0 [ 890.330305] __kernfs_create_file+0x4b/0x320 [ 890.330323] cgroup_addrm_files+0x3c5/0xa70 [ 890.351355] ? cgroup_file_write+0x710/0x710 [ 890.355872] ? cgroup_idr_replace+0x3f/0x50 [ 890.360189] ? __lock_is_held+0xb6/0x140 [ 890.364247] ? __local_bh_enable_ip+0x121/0x230 [ 890.369471] ? online_css+0x224/0x2e0 [ 890.373265] css_populate_dir+0x198/0x420 [ 890.377408] cgroup_apply_control_enable+0x390/0xbc0 [ 890.382513] ? cgroup_propagate_control+0x570/0x570 [ 890.387523] ? css_populate_dir+0x289/0x420 [ 890.391836] cgroup_mkdir+0x56f/0xfc0 [ 890.395625] ? __lock_is_held+0xb6/0x140 [ 890.399680] ? cgroup_destroy_locked+0x750/0x750 [ 890.404424] ? rcu_read_lock_sched_held+0x108/0x120 [ 890.409425] ? kmem_cache_free+0x258/0x2a0 [ 890.413648] ? set_nlink+0xc1/0x160 [ 890.417263] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 890.422198] ? generic_permission+0x105/0x3c0 [ 890.426682] ? cgroup_destroy_locked+0x750/0x750 [ 890.431424] kernfs_iop_mkdir+0x153/0x1e0 [ 890.435566] vfs_mkdir+0x390/0x600 [ 890.439098] SyS_mkdirat+0x22b/0x2b0 [ 890.442801] ? SyS_mknod+0x480/0x480 [ 890.446503] ? do_fast_syscall_32+0x156/0xf9f [ 890.450986] ? SyS_mknod+0x480/0x480 [ 890.454687] do_fast_syscall_32+0x3ec/0xf9f [ 890.459000] ? do_int80_syscall_32+0x9c0/0x9c0 [ 890.463588] ? _raw_spin_unlock_irq+0x27/0x70 [ 890.468079] ? finish_task_switch+0x1c1/0x7e0 [ 890.472571] ? syscall_return_slowpath+0x2ac/0x550 [ 890.477485] ? prepare_exit_to_usermode+0x350/0x350 [ 890.482498] ? sysret32_from_system_call+0x5/0x3c [ 890.487335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 890.492169] entry_SYSENTER_compat+0x70/0x7f [ 890.496656] RIP: 0023:0xf7faec99 [ 890.500008] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 890.507711] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 2018/03/31 21:06:10 executing program 2: r0 = socket$inet6(0x10, 0x3, 0x0) r1 = syz_open_dev$sndpcmp(&(0x7f00000000c0)='/dev/snd/pcmC#D#p\x00', 0x8000000000000, 0x10000) readahead(r1, 0x5, 0x9) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000100)={&(0x7f0000000080)='./file0\x00', r1}, 0x10) openat$cgroup(r1, &(0x7f0000000140)='syz0\x00', 0x200002, 0x0) sendmsg(r0, &(0x7f000000bfc8)={&(0x7f0000000000)=@nl=@proc={0x10}, 0x80, &(0x7f0000002000)=[{&(0x7f0000001000)="5500000018007fafb72d1cb2a4a280930206000000a843096c26236925000800040000001000ca8a9848a3c728f1c46b7b31afdc1338d54400009b84136ef75afb83de448daa7227c43ab8220000bf0cec6bab91d4", 0x55}], 0x1, &(0x7f0000002040)}, 0x0) 2018/03/31 21:06:10 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = add_key(&(0x7f0000016ff8)='keyring\x00', &(0x7f000000b000)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xffffffffffffffff) keyctl$setperm(0x5, r0, 0x80004) keyctl$join(0x1, &(0x7f0000019ffb)={0x73, 0x79, 0x7a, 0x0}) r1 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0x8da0, 0x8000) ioctl$KVM_SET_DEBUGREGS(r1, 0x4080aea2, &(0x7f0000000080)={[0x101000, 0x2000, 0x10000, 0x6000], 0x1, 0xc, 0x7003}) keyctl$join(0x1, &(0x7f0000017000)={0x73, 0x79, 0x7a, 0x0}) 2018/03/31 21:06:11 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000cab000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb-twofish-3way\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0311cfc093a52a7d86bd1", 0x10) clock_getres(0x0, &(0x7f0000000040)) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000938ff8), 0x228, &(0x7f00005c7ff0)=[@op={0x10, 0x117, 0x3, 0x1}], 0x10, 0x1}, 0x0) sendto(r1, &(0x7f0000000340)="8d85c80800e8ef4fea219de5c76d9408bbfeca0d8841e1a0c43669d9bd527f6cd4cf5b0e1b1022a2a7e5610d52e46040dba8da2803e30c7a5f0a70cb64d287dc619a69913f3e0dde5329316e64c0fe0d95ac9921955e4a0ef1e799dfffcca9c7cc72c6e2", 0x64, 0x0, 0x0, 0x0) recvmsg(r1, &(0x7f0000d2b000)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f000009bf9d)=""/99, 0x63}], 0x1, &(0x7f000084bfe8)=""/24, 0x18}, 0x0) r2 = add_key$keyring(&(0x7f00000001c0)='keyring\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffffe) add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000140)="90a17eea60af3e1f877b3d3cbe4ef1dcc08760b5e566c00fccbab0f9425c01291f0b820ecadc300788d646b23664a5985cac9e5ecbb7bf26681ca20689d02bd3bcb2aa876342aa443c788086b798e910cb396fc50116a80543ec875bfecda29bbcd1f08ce5c77c37eb7ee24f4df1f9c3a5a582177a1fbcb63358e2e3", 0x7c, r2) [ 890.514963] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 890.522224] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 890.529476] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 890.536730] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 890.544191] cgroup: cgroup_addrm_files: failed to add stat, err=-12 2018/03/31 21:06:11 executing program 0: openat$cuse(0xffffffffffffff9c, &(0x7f0000000100)='/dev/cuse\x00', 0x200002, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x20000, 0x0) getpeername$packet(r1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$can_raw(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x1d, r2}, 0x10, &(0x7f0000000180)={&(0x7f0000000380)=@canfd={{0x1, 0x0, 0x80, 0x6}, 0x1d, 0x1, 0x0, 0x0, "d5c45afba2b58e6f3553b0dce52888c35b525e59075a1d6ba4db38805c674f54e9482d3b988e6b83033bae360f2c69b6bf781b0676bea93b915c9e3589033b5d"}, 0x48}, 0x1, 0x0, 0x0, 0x4004000}, 0x4008800) 2018/03/31 21:06:11 executing program 2: unshare(0x40600) r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f0000001f88)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000000000, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000fff)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mknod$loop(&(0x7f0000000140)='./file0\x00', 0x8008, 0x0) mmap(&(0x7f0000f20000/0x1000)=nil, 0x1000, 0x0, 0x20010, r1, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r1) r2 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x8000, 0x0) getsockopt$inet_opts(r2, 0x0, 0x9, &(0x7f0000000080)=""/60, &(0x7f00000000c0)=0x3c) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$VHOST_SET_VRING_BASE(r2, 0x4008af12, &(0x7f0000000100)={0x1, 0x7}) ftruncate(r1, 0x7) epoll_pwait(r2, &(0x7f0000000180)=[{}, {}, {}, {}], 0x4, 0x9fa, &(0x7f00000001c0)={0x80}, 0x8) 2018/03/31 21:06:11 executing program 1 (fault-call:6 fault-nth:44): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) [ 890.702191] FAULT_INJECTION: forcing a failure. [ 890.702191] name failslab, interval 1, probability 0, space 0, times 0 [ 890.713582] CPU: 0 PID: 22873 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 890.720955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 890.730311] Call Trace: [ 890.732910] dump_stack+0x194/0x24d [ 890.736561] ? arch_local_irq_restore+0x53/0x53 [ 890.741259] should_fail+0x8c0/0xa40 [ 890.744984] ? kstrdup+0x39/0x70 [ 890.748360] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 890.753484] ? cgroup_apply_control_enable+0x390/0xbc0 [ 890.758768] ? kernfs_iop_mkdir+0x153/0x1e0 [ 890.763113] ? vfs_mkdir+0x390/0x600 [ 890.766826] ? SyS_mkdirat+0x22b/0x2b0 [ 890.770790] ? entry_SYSENTER_compat+0x70/0x7f [ 890.775366] ? find_held_lock+0x35/0x1d0 [ 890.779423] ? find_held_lock+0x35/0x1d0 [ 890.783475] ? __lock_is_held+0xb6/0x140 [ 890.787541] ? check_same_owner+0x320/0x320 [ 890.791850] ? rcu_note_context_switch+0x710/0x710 [ 890.796764] ? rcu_read_lock_sched_held+0x108/0x120 [ 890.801771] should_failslab+0xec/0x120 [ 890.805745] kmem_cache_alloc+0x47/0x760 [ 890.809787] ? memcpy+0x45/0x50 [ 890.813056] ? kstrdup+0x59/0x70 [ 890.816409] __kernfs_new_node+0xe2/0x570 [ 890.820546] ? kernfs_dop_revalidate+0x380/0x380 [ 890.825284] ? delete_node+0x2db/0xbc0 [ 890.829156] ? memset+0x31/0x40 [ 890.832423] ? snprintf+0xc0/0xf0 [ 890.835860] ? vsprintf+0x40/0x40 [ 890.839305] kernfs_new_node+0x80/0xe0 [ 890.843181] __kernfs_create_file+0x4b/0x320 [ 890.847578] cgroup_addrm_files+0x3c5/0xa70 [ 890.851891] ? cgroup_file_write+0x710/0x710 [ 890.856289] ? cgroup_idr_replace+0x3f/0x50 [ 890.860598] ? __lock_is_held+0xb6/0x140 [ 890.864657] ? __local_bh_enable_ip+0x121/0x230 [ 890.869311] ? online_css+0x224/0x2e0 [ 890.873097] css_populate_dir+0x198/0x420 [ 890.877243] cgroup_apply_control_enable+0x390/0xbc0 [ 890.882337] ? cgroup_propagate_control+0x570/0x570 [ 890.887341] ? css_populate_dir+0x289/0x420 [ 890.891661] cgroup_mkdir+0x56f/0xfc0 [ 890.895442] ? __lock_is_held+0xb6/0x140 [ 890.899491] ? cgroup_destroy_locked+0x750/0x750 [ 890.904239] ? rcu_read_lock_sched_held+0x108/0x120 [ 890.909241] ? kmem_cache_free+0x258/0x2a0 [ 890.913470] ? set_nlink+0xc1/0x160 [ 890.917080] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 890.921990] ? generic_permission+0x105/0x3c0 [ 890.926472] ? cgroup_destroy_locked+0x750/0x750 [ 890.931212] kernfs_iop_mkdir+0x153/0x1e0 [ 890.935346] vfs_mkdir+0x390/0x600 [ 890.938872] SyS_mkdirat+0x22b/0x2b0 [ 890.942591] ? SyS_mknod+0x480/0x480 [ 890.946291] ? do_fast_syscall_32+0x156/0xf9f [ 890.950772] ? SyS_mknod+0x480/0x480 [ 890.954468] do_fast_syscall_32+0x3ec/0xf9f [ 890.958786] ? do_int80_syscall_32+0x9c0/0x9c0 [ 890.963351] ? _raw_spin_unlock_irq+0x27/0x70 [ 890.967829] ? finish_task_switch+0x1c1/0x7e0 [ 890.972308] ? syscall_return_slowpath+0x2ac/0x550 [ 890.977221] ? prepare_exit_to_usermode+0x350/0x350 [ 890.982218] ? sysret32_from_system_call+0x5/0x3c [ 890.987047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 890.991878] entry_SYSENTER_compat+0x70/0x7f [ 890.996268] RIP: 0023:0xf7faec99 [ 890.999613] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 891.007305] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 891.014558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 891.021807] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 891.029058] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 891.036320] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 891.044066] cgroup: cgroup_addrm_files: failed to add stat, err=-12 2018/03/31 21:06:11 executing program 5: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000d0fff5)='/dev/audio\x00', 0x1, 0x0) ioctl$int_in(r0, 0x800000c004500a, &(0x7f0000e5a000)) write$selinux_create(r0, &(0x7f0000000040)=ANY=[], 0x2b6) write$selinux_load(r0, &(0x7f0000000100)={0xf97cff8c, 0x8, 'SE Linux'}, 0x10) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x2000000000200000, 0x0) 2018/03/31 21:06:11 executing program 2: r0 = getpid() ioprio_set$pid(0x2, r0, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x101000, 0x0) ioctl$TIOCSPGRP(r1, 0x5410, &(0x7f0000000040)=r0) 2018/03/31 21:06:11 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f00000002c0)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0\x00') r1 = syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) r2 = getpid() lstat(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$DRM_IOCTL_GET_CLIENT(r1, 0xc0186405, &(0x7f0000000180)={0x2, 0x800, r2, 0x8000, r3, 0x1e, 0x7a, 0x2}) 2018/03/31 21:06:11 executing program 4: r0 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x5, 0x20081) r1 = syz_open_dev$sndseq(&(0x7f00000000c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) r2 = socket$inet_tcp(0x2, 0x1, 0x0) r3 = syz_open_dev$tun(&(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000080)={'syzkaller0\x00', 0x3}) ioctl$sock_inet_SIOCGIFNETMASK(r2, 0x891b, &(0x7f0000000180)={'syzkaller0\x00', {0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}}) 2018/03/31 21:06:11 executing program 1 (fault-call:6 fault-nth:45): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:11 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0xc0505350, &(0x7f0000000000)={{0x5, 0x7fe0000}, {0x4, 0x2}, 0x401, 0x2, 0x101}) 2018/03/31 21:06:11 executing program 3: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet6_mreq(r0, 0x29, 0x0, &(0x7f0000000100)={@dev}, &(0x7f0000000300)=0x14) pipe2(&(0x7f0000989000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$sock_netrom_TIOCOUTQ(r2, 0x5411, &(0x7f0000000280)) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000240)={0xaa}) ioctl$KVM_REINJECT_CONTROL(0xffffffffffffffff, 0xae71, &(0x7f0000000340)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ioctl$KVM_GET_CLOCK(r1, 0x8030ae7c, &(0x7f00000002c0)) r4 = creat(&(0x7f000009aff8)='./file0\x00', 0x0) write$sndseq(r4, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) prctl$getreaper(0x1f, &(0x7f0000000180)) ioctl$KVM_SET_SREGS(r2, 0x4138ae84, &(0x7f0000000380)={{0x4, 0x100000, 0x0, 0x20, 0x4a39, 0x3, 0x5, 0x1f, 0x1ff, 0x8, 0x9, 0xb7}, {0x4000, 0x0, 0x0, 0x6a20, 0x1000000, 0xcd, 0x1, 0x1, 0x800, 0x5, 0x3f}, {0x10000, 0x0, 0x1d, 0x5, 0x9, 0x2, 0xbde, 0x10000, 0x400, 0x5, 0x1ff, 0x20}, {0x4000, 0xd001, 0x14, 0x1, 0x0, 0x1f, 0xa7, 0xfffffffffffeffff, 0x1, 0x1, 0x1800000000, 0x24000000}, {0x0, 0x4, 0xf, 0x1, 0x100, 0xfffffffffffffffd, 0x0, 0x9, 0x2, 0x0, 0x7, 0x7fffffff}, {0x6000, 0x4, 0xb, 0xfffffffffffffffc, 0x8, 0x9, 0x2, 0x6, 0x10000, 0x9, 0x2, 0x3}, {0x1, 0x171a47b0d1fe2652, 0x0, 0xaf6, 0x7, 0x1, 0xffff, 0xff, 0x4c79, 0x10e, 0xff, 0x9}, {0xd000, 0x4, 0xf, 0x3, 0xb4d, 0x0, 0x7, 0x800, 0x10001, 0x4, 0x80, 0x80000001}, {0x2, 0x4}, {0x107001, 0x2000}, 0x40000, 0x0, 0xf000, 0x2122, 0x9, 0x1000, 0xf000, [0x100, 0x3, 0x7, 0x2]}) utimes(&(0x7f0000000040)='./file0\x00', &(0x7f0000000140)) utimes(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)={{0x0, 0x7530}, {0x0, 0x7530}}) ioctl$KVM_RUN(r2, 0xae80, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f00000004c0)={0x0, 0x16}, &(0x7f0000000500)=0x8) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000600)=@assoc_value={r5, 0x5}, 0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000540)={r5, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, 0x100000001, 0x2}, 0x88) pwritev(r4, &(0x7f0000000000)=[{&(0x7f00000001c0)="9410c70b780ffe78df7ff089adc60b6ad840a1116e67b669703735c53dbecc33e651d777c0463e655bb7b9b9d4f31e6ab00a96ba5be45063b8c2f5176e2484c30e6b0c3be0", 0x45}], 0x1, 0x0) dup2(r1, r3) 2018/03/31 21:06:11 executing program 7: r0 = socket$inet6(0xa, 0x80001, 0x0) r1 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x8, 0x101001) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f00000001c0)={0x2, &(0x7f0000000140)=[{}, {}]}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f00000000c0)={0x10, @tick=0x80, 0x1, {0x5, 0x3}, 0x2, 0x0, 0x2}) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f00007de000)={0x6, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80, [], 0xb}}}, {{0xa, 0x4e20, 0x80, @loopback={0x0, 0x1}}}}, 0x104) openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(r0) ioctl$TIOCLINUX7(r1, 0x541c, &(0x7f0000000100)={0x7, 0xe86}) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f0000000180), &(0x7f0000000280)=0x8) [ 891.234165] FAULT_INJECTION: forcing a failure. [ 891.234165] name failslab, interval 1, probability 0, space 0, times 0 [ 891.245443] CPU: 1 PID: 22893 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 891.252804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 891.262303] Call Trace: [ 891.264892] dump_stack+0x194/0x24d [ 891.268527] ? arch_local_irq_restore+0x53/0x53 [ 891.273211] should_fail+0x8c0/0xa40 [ 891.276975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 891.282083] ? rb_first_postorder+0xa0/0xa0 [ 891.286405] ? __mutex_lock+0x16f/0x1a80 [ 891.290472] ? trace_hardirqs_off+0x10/0x10 [ 891.294798] ? find_held_lock+0x35/0x1d0 [ 891.298866] ? __lock_is_held+0xb6/0x140 [ 891.302946] ? check_same_owner+0x320/0x320 [ 891.307293] ? lock_downgrade+0x980/0x980 [ 891.311443] ? rcu_note_context_switch+0x710/0x710 [ 891.316390] should_failslab+0xec/0x120 [ 891.320367] __kmalloc_track_caller+0x5f/0x760 [ 891.324960] ? string+0x180/0x200 [ 891.328421] ? kstrdup_const+0x39/0x50 2018/03/31 21:06:11 executing program 2: pipe(&(0x7f0000e2aff8)={0xffffffffffffffff, 0xffffffffffffffff}) flock(r1, 0x2) flock(r0, 0x5) ioctl$sock_netrom_SIOCADDRT(r0, 0x890b, &(0x7f0000000000)) 2018/03/31 21:06:11 executing program 0: r0 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x6e1, 0x0) getsockopt$IP6T_SO_GET_INFO(r0, 0x29, 0x40, &(0x7f0000000140)={'nat\x00'}, &(0x7f00000001c0)=0x54) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000040)={0x3, {{0xa, 0x4e22, 0x1, @dev={0xfe, 0x80, [], 0x18}, 0xfffffffffffffff9}}}, 0x84) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f0000000100)) [ 891.332312] kstrdup+0x39/0x70 [ 891.335508] kstrdup_const+0x39/0x50 [ 891.339487] __kernfs_new_node+0xa2/0x570 [ 891.343641] ? kernfs_dop_revalidate+0x380/0x380 [ 891.348415] ? snprintf+0xc0/0xf0 [ 891.351872] ? vsprintf+0x40/0x40 [ 891.355328] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 891.360261] ? cgroup_file_name+0x1d0/0x1d0 [ 891.364590] kernfs_new_node+0x80/0xe0 [ 891.368513] __kernfs_create_file+0x4b/0x320 [ 891.372955] cgroup_addrm_files+0x3c5/0xa70 [ 891.377291] ? cgroup_file_write+0x710/0x710 2018/03/31 21:06:11 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e20, 0x0, @remote={0xfe, 0x80, [], 0xbb}, 0x2}, 0x1c) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1b) getsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000100), &(0x7f0000000140)=0x8) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r0, 0x29, 0xd2, &(0x7f0000000080)={{0xa, 0x4e24, 0x3}, {0xa, 0x4e24, 0x5, @mcast1={0xff, 0x1, [], 0x1}, 0x200}, 0x6, [0x2, 0x6, 0x100000000, 0x1000, 0x3, 0x0, 0x7fffffff, 0x6]}, 0x5c) 2018/03/31 21:06:11 executing program 7: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) perf_event_open(&(0x7f0000fdef88)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_SREGS(0xffffffffffffffff, 0x4138ae84, &(0x7f0000c9bec8)) ioctl$KVM_TRANSLATE(r2, 0xc018ae85, &(0x7f0000000140)) r3 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180)='/dev/rfkill\x00', 0x100, 0x0) setsockopt$SO_RDS_MSG_RXPATH_LATENCY(r3, 0x114, 0xa, &(0x7f00000001c0), 0x1) [ 891.381709] ? cgroup_idr_replace+0x3f/0x50 [ 891.386040] ? __lock_is_held+0xb6/0x140 [ 891.390110] ? __local_bh_enable_ip+0x121/0x230 [ 891.394782] ? online_css+0x224/0x2e0 [ 891.398589] css_populate_dir+0x198/0x420 [ 891.402753] cgroup_apply_control_enable+0x390/0xbc0 [ 891.408485] ? cgroup_propagate_control+0x570/0x570 2018/03/31 21:06:11 executing program 1 (fault-call:6 fault-nth:46): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) [ 891.408501] ? css_populate_dir+0x289/0x420 [ 891.408513] cgroup_mkdir+0x56f/0xfc0 [ 891.408522] ? __lock_is_held+0xb6/0x140 [ 891.408535] ? cgroup_destroy_locked+0x750/0x750 [ 891.408547] ? rcu_read_lock_sched_held+0x108/0x120 [ 891.408558] ? kmem_cache_free+0x258/0x2a0 [ 891.408570] ? set_nlink+0xc1/0x160 [ 891.408581] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 891.408590] ? generic_permission+0x105/0x3c0 [ 891.408601] ? cgroup_destroy_locked+0x750/0x750 [ 891.408614] kernfs_iop_mkdir+0x153/0x1e0 [ 891.408626] vfs_mkdir+0x390/0x600 [ 891.408640] SyS_mkdirat+0x22b/0x2b0 [ 891.408652] ? SyS_mknod+0x480/0x480 [ 891.408665] ? do_fast_syscall_32+0x156/0xf9f [ 891.408677] ? SyS_mknod+0x480/0x480 [ 891.408687] do_fast_syscall_32+0x3ec/0xf9f [ 891.408701] ? do_int80_syscall_32+0x9c0/0x9c0 [ 891.408711] ? _raw_spin_unlock_irq+0x27/0x70 [ 891.408720] ? finish_task_switch+0x1c1/0x7e0 [ 891.408732] ? syscall_return_slowpath+0x2ac/0x550 [ 891.408743] ? prepare_exit_to_usermode+0x350/0x350 [ 891.408753] ? sysret32_from_system_call+0x5/0x3c [ 891.408766] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 891.408780] entry_SYSENTER_compat+0x70/0x7f [ 891.408788] RIP: 0023:0xf7faec99 [ 891.408794] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 891.408802] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 891.408808] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 891.408813] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 891.408817] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 891.408823] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 891.409049] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 891.510600] FAULT_INJECTION: forcing a failure. [ 891.510600] name failslab, interval 1, probability 0, space 0, times 0 [ 891.510616] CPU: 0 PID: 22916 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 891.510625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 891.510631] Call Trace: [ 891.510649] dump_stack+0x194/0x24d [ 891.510666] ? arch_local_irq_restore+0x53/0x53 [ 891.510699] should_fail+0x8c0/0xa40 [ 891.510718] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 891.510738] ? __mutex_lock+0x16f/0x1a80 [ 891.510758] ? trace_hardirqs_off+0x10/0x10 [ 891.510777] ? find_held_lock+0x35/0x1d0 [ 891.510797] ? __lock_is_held+0xb6/0x140 [ 891.510826] ? check_same_owner+0x320/0x320 [ 891.510838] ? lock_downgrade+0x980/0x980 [ 891.510853] ? rcu_note_context_switch+0x710/0x710 [ 891.510877] should_failslab+0xec/0x120 [ 891.510891] __kmalloc_track_caller+0x5f/0x760 [ 891.510909] ? string+0x180/0x200 [ 891.510920] ? kstrdup_const+0x39/0x50 [ 891.510938] kstrdup+0x39/0x70 [ 891.510953] kstrdup_const+0x39/0x50 [ 891.510966] __kernfs_new_node+0xa2/0x570 [ 891.510982] ? kernfs_dop_revalidate+0x380/0x380 [ 891.510995] ? memset+0x31/0x40 [ 891.511014] ? snprintf+0xc0/0xf0 [ 891.511027] ? vsprintf+0x40/0x40 [ 891.511037] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 891.511052] ? cgroup_file_name+0x1d0/0x1d0 [ 891.511068] kernfs_new_node+0x80/0xe0 [ 891.511086] __kernfs_create_file+0x4b/0x320 [ 891.511104] cgroup_addrm_files+0x3c5/0xa70 [ 891.511129] ? cgroup_file_write+0x710/0x710 [ 891.511153] ? cgroup_idr_replace+0x3f/0x50 [ 891.511171] ? __lock_is_held+0xb6/0x140 [ 891.511193] ? __local_bh_enable_ip+0x121/0x230 [ 891.511206] ? online_css+0x224/0x2e0 [ 891.511225] css_populate_dir+0x198/0x420 [ 891.511245] cgroup_apply_control_enable+0x390/0xbc0 [ 891.511272] ? cgroup_propagate_control+0x570/0x570 [ 891.511296] ? css_populate_dir+0x289/0x420 [ 891.511314] cgroup_mkdir+0x56f/0xfc0 [ 891.511324] ? __lock_is_held+0xb6/0x140 [ 891.511344] ? cgroup_destroy_locked+0x750/0x750 [ 891.511358] ? rcu_read_lock_sched_held+0x108/0x120 [ 891.511369] ? kmem_cache_free+0x258/0x2a0 [ 891.511384] ? set_nlink+0xc1/0x160 [ 891.511398] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 891.511408] ? generic_permission+0x105/0x3c0 [ 891.511424] ? cgroup_destroy_locked+0x750/0x750 [ 891.511438] kernfs_iop_mkdir+0x153/0x1e0 [ 891.511455] vfs_mkdir+0x390/0x600 [ 891.511473] SyS_mkdirat+0x22b/0x2b0 [ 891.511492] ? SyS_mknod+0x480/0x480 [ 891.511507] ? do_fast_syscall_32+0x156/0xf9f [ 891.511535] ? SyS_mknod+0x480/0x480 [ 891.511551] do_fast_syscall_32+0x3ec/0xf9f [ 891.511573] ? do_int80_syscall_32+0x9c0/0x9c0 [ 891.511587] ? _raw_spin_unlock_irq+0x27/0x70 [ 891.511600] ? finish_task_switch+0x1c1/0x7e0 [ 891.511616] ? syscall_return_slowpath+0x2ac/0x550 [ 891.511629] ? prepare_exit_to_usermode+0x350/0x350 [ 891.511643] ? sysret32_from_system_call+0x5/0x3c [ 891.511660] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 891.511679] entry_SYSENTER_compat+0x70/0x7f [ 891.511690] RIP: 0023:0xf7faec99 [ 891.511697] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 891.511711] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 891.511719] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 891.511726] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 891.511732] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 891.511738] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 891.511875] cgroup: cgroup_addrm_files: failed to add max, err=-12 2018/03/31 21:06:12 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_SREGS(r2, 0x4138ae84, &(0x7f0000000940)) ioctl$KVM_RUN(r2, 0xae80, 0x0) socket$netlink(0x10, 0x3, 0x0) 2018/03/31 21:06:12 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000180)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='pipefs\x00', 0x2, 0x0) socketpair$inet6_sctp(0xa, 0x5, 0x84, &(0x7f00000000c0)={0xffffffffffffffff}) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000000200)={{{@in6=@mcast1, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@local}, 0x0, @in=@dev}}, &(0x7f0000000100)=0xe8) r2 = getpgrp(0x0) sched_setparam(r2, &(0x7f0000000340)=0x1) r3 = getuid() statfs(&(0x7f0000000580)='./file0/file0\x00', &(0x7f00000005c0)=""/161) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000480)={{{@in6=@local={0xfe, 0x80, [], 0xaa}, @in, 0x4e20, 0xffff, 0x4e21, 0x3ecf3691, 0x2, 0x80, 0x0, 0x2d, r1, r3}, {0x9, 0x3ff, 0x85, 0x5, 0x7, 0x4, 0x8, 0x3}, {0x1, 0x9, 0x9, 0x2}, 0x7, 0x0, 0x0, 0x9c2415c810457576, 0x2, 0x1}, {{@in=@loopback=0x7f000001, 0x4d3, 0xff}, 0xa, @in=@multicast1=0xe0000001, 0x0, 0x3, 0x2, 0x3, 0xf3, 0x0, 0x9}}, 0xe8) getpid() r4 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r4, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r4, &(0x7f0000000440)='./file0/file0\x00') r5 = syz_open_dev$sndpcmp(&(0x7f00000003c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r5, 0x84, 0x1e, &(0x7f0000000040), 0x4) 2018/03/31 21:06:12 executing program 5: r0 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x6, 0x80) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000397000)={0x1, 0x2, 0x7f, 0x1, 0x8}, 0x2c) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000040)={0x0, 0x6}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000000c0)={r2, 0x1, 0x6, 0x6}, 0x10) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00001a4fe0)={r1, &(0x7f0000232fba), &(0x7f0000398000)}, 0x20) 2018/03/31 21:06:12 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000080)={0xffffffff}) ioctl$TIOCGLCKTRMIOS(r1, 0x5412, &(0x7f0000000000)={0xd}) 2018/03/31 21:06:12 executing program 1 (fault-call:6 fault-nth:47): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:12 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) sendto$inet6(r0, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f00000005c0)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/03/31 21:06:12 executing program 3: syz_mount_image$ext4(&(0x7f0000000380)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000340)=[{&(0x7f00000003c0)="400000000002000019000000d50100002c00000001000000000000000000000000200000002000004000000000000000265dbe5a0000ffff53ef9dc8e6336d1b718c403b00496ed6dcf47b03a1a3871986c5e4c4732cf30ebe1563a46ea318796222a703169728aad8cfa8cbca1a5285d4deacbfd142930e9b", 0x79, 0x400}], 0x0, &(0x7f0000000300)=ANY=[@ANYRES64]) 2018/03/31 21:06:12 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) sendmsg$alg(r0, &(0x7f0000000800)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000180)="e3390add28453bd7537e4320733ad41b720f1acee574b3767242b528691b35150f1aad88db3607138a858e3153ba6ca4e2dec2d994fbd99f4a399e7c1b6453269d65fc72178f17c95a7b", 0x4a}, {&(0x7f0000000380)="a26751c553fc1ad302257ec03436fcd7e376d89a027f2be2af05db8949531b3ff2b69ff5f59bfe2b24ca68c823ab7885085d19630c2f7f2d1970e982a2b66c2c3b8242743b1474541a6c092e520f752a2248d01a6ac5b67c6a38fc44f9d7fa08ec9289839bc1bc64c8a4739180086739c22afc31b6d204efaa8c23e9bc0e2f8db5513a7d4c6627854a0c11b33d6a4e78b975b6dbc3505197c51d", 0x9a}, {&(0x7f0000000200)}, {&(0x7f0000000280)="c812f976194b96f708d6ee7080d913a1d06cbef8af12db7084e7b7135982b4f1f7d4f0", 0x23}, {&(0x7f0000000440)="b31b9e0e186eca030d328a22f498e8371b993f8d7ca43041db7cfa0105d39ee63dbbb664534e3e4bddd8e48030e7e12aa2f892bba7011cbf34f2a892a6d639d0f701d5e558da67e3001288b6f2290dea5500013229ff6cdc3e394f3c72958cb16af6a0b5b4e5ea6217f4e41dd018c71cf3dc1433656adae24ba625dcc3ec3976481c4bac9310290e52cd179f24c440333fc2f6f55902aef4cf3a2330cee09d48249b2364876862054b3c1540972aa16fb8f895723ae0916aa626bc261fc7379bf8d068a7ddbd8554b596a0c0500fdaeac5c75da6c19dbbec", 0xd8}, {&(0x7f0000000540)="19a20c30dd9194e88fb86c9b5d8258623b5ed96b0037f3bfa564d38c153f592eee99b1098fec8d493e5207828a67a1285065f26823ba197a7feb8c50a53fd41b2b6f42f3cc36339bfaade742cce0e4040db9c8d442aa30d1f25703a1adf2472613eeb5cc612a7f1a7733d12989ad6f40368f23000084b3300cb30d9e153e377f56a82a2dfd295d651bd0189eb3e24e81ef77a68dcaa2c084a32990ebedfeed9c8216708b856cfed29feec760437a2d8545a1f8283f5f13ad18bec32228f369ce27b1418c1605873cdcc9f87e816f280536fa1344b9374aa4c706138d44ec4e9f5855334eca966454f6c09705495a8e519f412e7de09a", 0xf6}, {&(0x7f0000000640)="5095c14ea707f76c03ccfbd3524e25d93bb1c02da6ea3f636b44c55400f8fb5a9f0b22a597a27b30", 0x28}, {&(0x7f0000000680)="4b6bf583d3b57b092c78ffa6bf6295275cdc06c1a25f4e2efd94a57324af57de1a44a2a10680a105369961597d3e69a329b8a9a7fa83ec9172054df6c507cd20b23eee", 0x43}, {&(0x7f0000000700)="28dac94674218605e8f780adad7b7406ef9e5eeae5830c6260370b7fb0d9b39f513f2422d7a12370c1a14a40126419c29cf2987449df8f5e4882f44b4474085d77", 0x41}], 0x9, 0x0, 0x0, 0x2004c000}, 0x800) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000100)={r0, 0x50, &(0x7f0000000080)={0x0, 0x0}}, 0x10) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000140)=r1, 0x4) getsockopt$inet_sctp6_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4) [ 892.338899] FAULT_INJECTION: forcing a failure. [ 892.338899] name failslab, interval 1, probability 0, space 0, times 0 [ 892.350291] CPU: 0 PID: 22938 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 892.357663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 892.367458] Call Trace: [ 892.370062] dump_stack+0x194/0x24d [ 892.373704] ? arch_local_irq_restore+0x53/0x53 [ 892.378401] should_fail+0x8c0/0xa40 [ 892.382158] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 892.387273] ? __mutex_lock+0x16f/0x1a80 [ 892.391350] ? trace_hardirqs_off+0x10/0x10 [ 892.395689] ? find_held_lock+0x35/0x1d0 [ 892.399767] ? __lock_is_held+0xb6/0x140 [ 892.403854] ? check_same_owner+0x320/0x320 [ 892.408185] ? lock_downgrade+0x980/0x980 [ 892.412364] ? rcu_note_context_switch+0x710/0x710 [ 892.417314] should_failslab+0xec/0x120 [ 892.421301] __kmalloc_track_caller+0x5f/0x760 [ 892.425899] ? string+0x180/0x200 [ 892.429433] ? kstrdup_const+0x39/0x50 [ 892.433333] kstrdup+0x39/0x70 [ 892.436536] kstrdup_const+0x39/0x50 [ 892.440264] __kernfs_new_node+0xa2/0x570 [ 892.444428] ? kernfs_dop_revalidate+0x380/0x380 [ 892.449199] ? memset+0x31/0x40 [ 892.452500] ? snprintf+0xc0/0xf0 [ 892.455964] ? vsprintf+0x40/0x40 [ 892.459429] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 892.464372] ? cgroup_file_name+0x1d0/0x1d0 [ 892.468703] kernfs_new_node+0x80/0xe0 [ 892.472588] __kernfs_create_file+0x4b/0x320 [ 892.476992] cgroup_addrm_files+0x3c5/0xa70 [ 892.481317] ? cgroup_file_write+0x710/0x710 [ 892.485721] ? cgroup_idr_replace+0x3f/0x50 [ 892.490033] ? __lock_is_held+0xb6/0x140 [ 892.494082] ? __local_bh_enable_ip+0x121/0x230 [ 892.498738] ? online_css+0x224/0x2e0 [ 892.502523] css_populate_dir+0x198/0x420 [ 892.506658] cgroup_apply_control_enable+0x390/0xbc0 [ 892.511753] ? cgroup_propagate_control+0x570/0x570 [ 892.516766] ? css_populate_dir+0x289/0x420 [ 892.521073] cgroup_mkdir+0x56f/0xfc0 [ 892.524852] ? __lock_is_held+0xb6/0x140 [ 892.528898] ? cgroup_destroy_locked+0x750/0x750 [ 892.533637] ? rcu_read_lock_sched_held+0x108/0x120 [ 892.538636] ? kmem_cache_free+0x258/0x2a0 [ 892.542854] ? set_nlink+0xc1/0x160 [ 892.546468] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 892.551382] ? generic_permission+0x105/0x3c0 [ 892.555859] ? cgroup_destroy_locked+0x750/0x750 [ 892.560597] kernfs_iop_mkdir+0x153/0x1e0 [ 892.564730] vfs_mkdir+0x390/0x600 [ 892.568255] SyS_mkdirat+0x22b/0x2b0 [ 892.571955] ? SyS_mknod+0x480/0x480 [ 892.575651] ? do_fast_syscall_32+0x156/0xf9f [ 892.580131] ? SyS_mknod+0x480/0x480 [ 892.583827] do_fast_syscall_32+0x3ec/0xf9f [ 892.588135] ? do_int80_syscall_32+0x9c0/0x9c0 [ 892.592697] ? _raw_spin_unlock_irq+0x27/0x70 [ 892.597174] ? finish_task_switch+0x1c1/0x7e0 [ 892.601653] ? syscall_return_slowpath+0x2ac/0x550 [ 892.606564] ? prepare_exit_to_usermode+0x350/0x350 [ 892.611563] ? sysret32_from_system_call+0x5/0x3c [ 892.616402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 892.621230] entry_SYSENTER_compat+0x70/0x7f [ 892.625619] RIP: 0023:0xf7faec99 [ 892.628962] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/03/31 21:06:13 executing program 7: syz_emit_ethernet(0x2a, &(0x7f0000000500)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x0, 0x0, @rand_addr, @multicast1=0xe0000001}, @icmp=@address_reply={0x6}}}}}, &(0x7f0000000040)) 2018/03/31 21:06:13 executing program 6: mkdir(&(0x7f0000000280)='./file0/file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') open$dir(&(0x7f0000000100)='./file0/file0\x00', 0x101000, 0x80) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dsp\x00', 0x115880, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(r1, 0xc08c5335, &(0x7f0000000480)={0x110, 0x0, 0x44, 'queue1\x00', 0x3f}) getxattr(&(0x7f0000000040)='./file0/file0\x00', &(0x7f00000000c0)=@known='security.ima\x00', &(0x7f0000000200)=""/127, 0x7f) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x8, 0x10a04) 2018/03/31 21:06:13 executing program 4: r0 = socket$inet(0x2, 0x3, 0x1) sendto$inet(r0, &(0x7f0000000100)="05c31aca7a4c5f1d", 0x8, 0x0, &(0x7f0000000000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) 2018/03/31 21:06:13 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) madvise(&(0x7f000092d000/0x400000)=nil, 0x400000, 0x10200000008) [ 892.636658] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 892.643911] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 892.651160] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 892.658412] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 892.665661] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 892.673196] cgroup: cgroup_addrm_files: failed to add weight, err=-12 2018/03/31 21:06:13 executing program 0: r0 = getpgrp(0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/conn_reuse_mode\x00', 0x2, 0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="65741ddf0b5368d39add00") fgetxattr(r1, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) [ 892.743080] *** Guest State *** [ 892.746458] CR0: actual=0x0000000000000020, shadow=0x0000000000000000, gh_mask=fffffffffffffff7 [ 892.755351] CR4: actual=0x0000000000002050, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 [ 892.764243] CR3 = 0x00000000fffbc000 [ 892.768124] RSP = 0x0000000000000000 RIP = 0x000000000000fff0 [ 892.774139] RFLAGS=0x00000002 DR7 = 0x0000000000000400 [ 892.780181] Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 [ 892.786900] CS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 [ 892.794923] DS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 [ 892.802955] SS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 [ 892.810986] ES: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 [ 892.819048] FS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 [ 892.827095] GS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 [ 892.835100] GDTR: limit=0x00000000, base=0x0000000000000000 [ 892.843117] LDTR: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 [ 892.851140] IDTR: limit=0x00000000, base=0x0000000000000000 [ 892.859165] TR: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 [ 892.867165] EFER = 0x0000000000000000 PAT = 0x0007040600070406 [ 892.873617] DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 [ 892.881180] Interruptibility = 00000000 ActivityState = 00000000 [ 892.887458] *** Host State *** 2018/03/31 21:06:13 executing program 4: r0 = perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x49, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$mice(&(0x7f0000000080)='/dev/input/mice\x00', 0x0, 0x0) dup3(r0, r1, 0x0) 2018/03/31 21:06:13 executing program 5: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) sendto$inet6(r0, &(0x7f0000aaff09)="b8", 0x1, 0x0, &(0x7f0000ab0000)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000f81000)={0x0, @in6={{0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}}}, &(0x7f0000f81000)=0x90) 2018/03/31 21:06:13 executing program 7: perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='net/fib_triestat\x00') r1 = socket$kcm(0x29, 0x2, 0x0) sendfile(r1, r0, &(0x7f0000076ff8), 0xffffffff) ioctl$TIOCSLCKTRMIOS(0xffffffffffffffff, 0x5457, &(0x7f0000000080)) [ 892.890694] RIP = 0xffffffff811cdc36 RSP = 0xffff8801ab4cf3d8 [ 892.896730] CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 [ 892.903168] FSBase=0000000000000000 GSBase=ffff8801db000000 TRBase=fffffe0000003000 [ 892.911008] GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 [ 892.916958] CR0=0000000080050033 CR3=00000001ad899005 CR4=00000000001626f0 [ 892.924046] Sysenter RSP=fffffe0000002200 CS:RIP=0010:ffffffff87001610 [ 892.930771] EFER = 0x0000000000000d01 PAT = 0x0000000000000000 [ 892.936878] *** Control State *** [ 892.940384] PinBased=0000003f CPUBased=b5a1edfa SecondaryExec=000000c3 [ 892.947092] EntryControls=0000d1ff ExitControls=0023efff [ 892.952561] ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 [ 892.959514] VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 [ 892.966187] VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 [ 892.972799] reason=80000021 qualification=0000000000000000 [ 892.979162] IDTVectoring: info=00000000 errcode=00000000 [ 892.984642] TSC Offset = 0xfffffe1eda23a9fd [ 892.988988] TPR Threshold = 0x00 [ 892.992396] EPT pointer = 0x00000001ae3c601e 2018/03/31 21:06:14 executing program 3: mkdir(&(0x7f0000000280)='./file0\x00', 0x0) syz_mount_image$reiserfs(&(0x7f00000003c0)='reiserfs\x00', &(0x7f0000000100)='./file0\x00', 0x800000, 0x1, &(0x7f0000000400)=[{&(0x7f0000010000)="00080000ec05000013020000120000edc0010000c00200000001000024d96443e10000001e000000000000000010ec0302000100526549734572334673", 0x3d, 0x10000}], 0x0, &(0x7f0000000140)) pipe(&(0x7f0000000340)) r0 = open(&(0x7f00000001c0)='./file0\x00', 0x101202, 0x180) vmsplice(r0, &(0x7f0000001500)=[{&(0x7f0000000240)="043a6cccb86fe4639ea22c5a35b826985adaa354c244885192585a363d78886adcfd0ac02a054657cbebc6f0041d5a0508a99841aa4ec91d43843a4f8a9d0fa2a51ebf4331a0125721df75aaff2c332198d21142805b8e3cd95864bda1bf859c1088eb132d4cca627297dc5776b68049d41533ee4cfc05484d330a17dd97d866f5ce52a96fbb02266164e7b45335df1c562cb85c42e4e758f9e6a58dc674c676221faf6378097f526bf69c69d88091b5f7c5a898de0312481a6bd300ea9d288656c7d59c8e81538665f8a11f08a86ffa082b80335645e5bcb2b139bd654f043f12706815259449884d6b", 0xea}], 0x1, 0x8) stat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)) vmsplice(r0, &(0x7f0000000480)=[{&(0x7f0000000380)="8d16af89295c1ec8800e9e27ee2f03f1674bb5674d50d6db975370eb2af34a60b8ff322d9492a4", 0x27}], 0x1, 0x4) mount(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000880)='./file0\x00', &(0x7f00000008c0)='hugetlbfs\x00', 0x0, 0x0) r1 = open(&(0x7f00000003c0)='./file0/bus\x00', 0x62, 0x0) fallocate(r1, 0x0, 0x0, 0x400) 2018/03/31 21:06:14 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) connect$inet6(r0, &(0x7f000000cfe4)={0xa, 0x4e20}, 0x1c) recvmsg(r0, &(0x7f0000002b00)={&(0x7f00000001c0)=@vsock={0x0, 0x0, 0x0, @my}, 0x80, &(0x7f0000000080)}, 0x0) sendmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="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", 0x679}], 0x1, &(0x7f0000002000)}, 0x0) 2018/03/31 21:06:14 executing program 2: r0 = open(&(0x7f0000000000)='./file0\x00', 0x200, 0x80) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) renameat(r0, &(0x7f00000000c0)='./file0/bus\x00', r1, &(0x7f0000000340)='./file0/file0\x00') sendfile(r1, r0, &(0x7f0000000380), 0x1) umount2(&(0x7f0000000080)='./file0\x00', 0xb) r2 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffffff) pwritev(r2, &(0x7f0000000240)=[{&(0x7f0000000100)="8918758d626f2906ac84418c43609c54ff4422bb5420aa32c9be853f6b92d206ff09670531e04a81d8d34bd8ee57cdabc37797ecdef0bf18f1843896dc4479cdc4f8beab81ca14be01bc1cbccd3d5428bb679636d6242605dc5da91b1c7309e91aac758ad67eba1bb4000c8b08df8b13e3768717c39fdba1ad464f02f110fad3ae38e94cb317c70a4e09215efc4f48b9bc626192a6e9481b51286ce01902406341e42b5b0c", 0xa5}], 0x1, 0x16) mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x2, 0x4000018071, 0xffffffffffffffff, 0x0) fcntl$dupfd(r2, 0x406, r2) mkdir(&(0x7f0000000280)='./file0\x00', 0x12) mount(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000880)='./file0\x00', &(0x7f00000008c0)='hugetlbfs\x00', 0x0, 0x0) fadvise64(r2, 0x0, 0x3, 0x4) r3 = open(&(0x7f00000003c0)='./file0/bus\x00', 0x62, 0x0) readlinkat(r3, &(0x7f0000000600)='./file0/bus\x00', &(0x7f0000000500)=""/219, 0xffffffffffffff1c) open_by_handle_at(r3, &(0x7f0000000400)={0xf8, 0x3, "bdbb49fb5e83b200785179e5cf2fbd448971928aa86ed4f1eef4994e97183a4bc181ea76dbd70b650b31847eda9882b2476188a92d798a88bfcc9d0a380d78b4751f15789d4f48843219b8661d6eedf0abeb3b9783f0373eecd05b71f4b4674e8b994a0037884cbddc1fdf6f5f111ebe194fc84e644636e32ab99db67aeb871424f20ff562b4cbe46c59d9287d59c0eab19147787e95626d2abb1f640340f5fcadb259fd1975bcb527e1079db8a30967618cbd33b9c661caaa6ac53702eff0af2401df5a0f0a10c578f8174315282c3596de68f3a70a87b054ab3f39846e7f7e117a67c322088bfca6328554751c8fdf"}, 0x8200) r4 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffffff) fcntl$F_GET_RW_HINT(r4, 0x40b, &(0x7f0000000040)) fallocate(r3, 0x0, 0x6, 0x400) pipe(&(0x7f0000000200)) 2018/03/31 21:06:14 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00003de000)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r0, 0xaf01, &(0x7f00001e3000)) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0xd14d662779bac810, 0x0) ioctl$VHOST_SET_VRING_KICK(r0, 0x4008af20, &(0x7f0000000040)={0x0, r1}) 2018/03/31 21:06:14 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r1, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x100000001) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r1, &(0x7f0000000440)='./file0/file0\x00') r2 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x5, 0x1) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r2, 0x84, 0x74, &(0x7f0000000480)=""/4096, &(0x7f00000000c0)=0x1000) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:06:14 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)='autogroup\x00') fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:06:14 executing program 1 (fault-call:6 fault-nth:48): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:14 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000ab4000)='net/packet\x00') pread64(r0, &(0x7f00000000c0)=""/163, 0xa3, 0x0) [ 893.916720] FAULT_INJECTION: forcing a failure. [ 893.916720] name failslab, interval 1, probability 0, space 0, times 0 [ 893.928073] CPU: 1 PID: 22981 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 893.935433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 893.944787] Call Trace: [ 893.947377] dump_stack+0x194/0x24d [ 893.951011] ? arch_local_irq_restore+0x53/0x53 [ 893.955692] should_fail+0x8c0/0xa40 [ 893.959407] ? kstrdup+0x39/0x70 [ 893.962778] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 893.967882] ? cgroup_apply_control_enable+0x390/0xbc0 [ 893.973168] ? kernfs_iop_mkdir+0x153/0x1e0 [ 893.977844] ? vfs_mkdir+0x390/0x600 [ 893.981553] ? SyS_mkdirat+0x22b/0x2b0 [ 893.985459] ? do_fast_syscall_32+0x3ec/0xf9f [ 893.989957] ? entry_SYSENTER_compat+0x70/0x7f [ 893.994540] ? find_held_lock+0x35/0x1d0 [ 893.998606] ? find_held_lock+0x35/0x1d0 [ 894.002701] ? __lock_is_held+0xb6/0x140 [ 894.006783] ? check_same_owner+0x320/0x320 [ 894.011110] ? rcu_note_context_switch+0x710/0x710 [ 894.016039] ? rcu_read_lock_sched_held+0x108/0x120 [ 894.021061] should_failslab+0xec/0x120 [ 894.025036] kmem_cache_alloc+0x47/0x760 [ 894.029098] ? memcpy+0x45/0x50 [ 894.032380] ? kstrdup+0x59/0x70 [ 894.035746] __kernfs_new_node+0xe2/0x570 [ 894.039986] ? kernfs_dop_revalidate+0x380/0x380 [ 894.044753] ? snprintf+0xc0/0xf0 [ 894.048212] ? vsprintf+0x40/0x40 [ 894.051663] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 894.056600] ? cgroup_file_name+0x1d0/0x1d0 [ 894.060937] kernfs_new_node+0x80/0xe0 2018/03/31 21:06:14 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x2) ioctl(r0, 0x4000000002283, &(0x7f0000139000)='4') read(r0, &(0x7f0000000040)=""/24, 0x18) write$evdev(r0, &(0x7f0000b5df88)=[{}, {}, {}, {{0x77359400}}], 0x60) 2018/03/31 21:06:14 executing program 3: pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) rmdir(&(0x7f0000000080)='./file1\x00') r1 = open$dir(&(0x7f00000004c0)='./file0\x00', 0x400000, 0x0) r2 = open$dir(&(0x7f0000001480)='./file0\x00', 0x1fffe, 0x0) syz_mount_image$msdos(&(0x7f0000000340)='msdos\x00', &(0x7f0000000380)='./file0\x00', 0x2, 0x1, &(0x7f0000001780)=[{&(0x7f0000001540)="d384766f408b1b22224e42085553aa89ded735711bd422631cf7cd4c422c3bc1164ab91767aac3567b5ae92984d8f48ef6e7892e5c38eda6d374f03a22a865bbbceadab6fc959654a7fc35f93804e96a225a2c8d13aec915172690e3f75c516e9162648ca5269a1080745704cc3aab77f25213e3d44e52885a9d48f68c0dc3", 0x7f, 0x1}], 0x80000, &(0x7f0000000000)=ANY=[]) r3 = open$dir(&(0x7f0000000500)='./file0\x00', 0x2, 0x0) umount2(&(0x7f0000001440)='./file0\x00', 0x3) write(r3, &(0x7f0000000300)="d88a8d38144e5013d473c0ac2ca61ff3b749a4f5c7e6e9c2ce586e5cfca5d60ffc9a4df71856925b300ab39b1dd59238", 0x30) linkat(r1, &(0x7f0000000200)='./file0\x00', r2, &(0x7f0000000240)='./file0\x00', 0x0) sendfile(r3, r3, &(0x7f0000000040), 0x7527fb3200000000) pwritev(r0, &(0x7f0000000280)=[{&(0x7f0000001940)="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", 0x142}], 0x1, 0x0) syncfs(r2) getdents64(r0, &(0x7f0000001840)=""/250, 0xfa) syncfs(r2) open$dir(&(0x7f0000000140)='./file0\x00', 0x2501, 0xac) pwritev(r2, &(0x7f00000002c0)=[{&(0x7f0000000540)}], 0x1, 0x0) sendfile(r3, r2, &(0x7f0000000180), 0x12000) lseek(r1, 0x43, 0x6) ftruncate(r2, 0x7f) pwritev(r1, &(0x7f0000000100)=[{&(0x7f00000003c0)="087eb89bbb6674a7fc3a7dd0242cd854e67de939b0ea63a4bf586c511cfdecf8d99dd5625f97bf6ef5c8eac06bede93cbc67c1aa12ae2c349c40fa731b6fea91ddae201abad94402438a56b4c1e5d2478801decdafa51fe5c1016496b88ed0de69817c763c1d6d8e8ec1acce096af59456209a35ebdc6e72e92931ed13548171d2f0ed3856232a41c24aa8ad22e2e1400ec63274260f18fa3a34134fe2fdcc8fa7ac3ecfc49388f8eb772d77bd627a7f28e198b4bee210923673e49f261714fa017f1074b797c42ee4fa53b2bd65eeaab152e796fe", 0xd5}], 0x1, 0x0) [ 894.064833] __kernfs_create_file+0x4b/0x320 [ 894.069249] cgroup_addrm_files+0x3c5/0xa70 [ 894.073580] ? cgroup_file_write+0x710/0x710 [ 894.078102] ? cgroup_idr_replace+0x3f/0x50 [ 894.082447] ? __lock_is_held+0xb6/0x140 [ 894.086515] ? __local_bh_enable_ip+0x121/0x230 [ 894.091197] ? online_css+0x224/0x2e0 [ 894.095018] css_populate_dir+0x198/0x420 [ 894.099166] cgroup_apply_control_enable+0x390/0xbc0 [ 894.104290] ? cgroup_propagate_control+0x570/0x570 [ 894.109322] ? css_populate_dir+0x289/0x420 [ 894.113644] cgroup_mkdir+0x56f/0xfc0 2018/03/31 21:06:14 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") getsockopt$inet6_tcp_int(r0, 0x6, 0x18, &(0x7f0000000100), &(0x7f0000000140)=0x4) setsockopt$RDS_RECVERR(r0, 0x114, 0x5, &(0x7f0000000000)=0x1, 0x4) ioctl$VT_RESIZEX(r0, 0x560a, &(0x7f00000000c0)={0x3, 0x135c, 0xff, 0x101, 0x5, 0x8001}) ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f0000000040)={{0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, {0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x6, {0x2, 0x4e21, @loopback=0x7f000001}, 'syz_tun\x00'}) 2018/03/31 21:06:14 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl(0xffffffffffffffff, 0x0, &(0x7f0000000240)) syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r0, &(0x7f00000000c0)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000080)={0xffffffff}, 0x2}}, 0xfffffe84) write$rdma_cm(r0, &(0x7f00000003c0)=@destroy_id={0x1, 0x10, 0xfa00, {&(0x7f0000000380), r1}}, 0x18) [ 894.117440] ? __lock_is_held+0xb6/0x140 [ 894.121502] ? cgroup_destroy_locked+0x750/0x750 [ 894.126254] ? rcu_read_lock_sched_held+0x108/0x120 [ 894.131271] ? kmem_cache_free+0x258/0x2a0 [ 894.135505] ? set_nlink+0xc1/0x160 [ 894.139147] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 894.144074] ? generic_permission+0x105/0x3c0 [ 894.148569] ? cgroup_destroy_locked+0x750/0x750 [ 894.153325] kernfs_iop_mkdir+0x153/0x1e0 [ 894.157474] vfs_mkdir+0x390/0x600 [ 894.161014] SyS_mkdirat+0x22b/0x2b0 [ 894.164727] ? SyS_mknod+0x480/0x480 [ 894.168442] ? do_fast_syscall_32+0x156/0xf9f [ 894.172940] ? SyS_mknod+0x480/0x480 [ 894.176656] do_fast_syscall_32+0x3ec/0xf9f [ 894.180985] ? do_int80_syscall_32+0x9c0/0x9c0 [ 894.185562] ? _raw_spin_unlock_irq+0x27/0x70 [ 894.190055] ? finish_task_switch+0x1c1/0x7e0 [ 894.194552] ? syscall_return_slowpath+0x2ac/0x550 [ 894.199481] ? prepare_exit_to_usermode+0x350/0x350 [ 894.204518] ? sysret32_from_system_call+0x5/0x3c [ 894.209360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 894.214227] entry_SYSENTER_compat+0x70/0x7f [ 894.218629] RIP: 0023:0xf7faec99 [ 894.221985] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 894.229692] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 894.237046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 894.244311] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 894.252270] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 894.259554] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 894.266934] cgroup: cgroup_addrm_files: failed to add weight, err=-12 2018/03/31 21:06:15 executing program 2: 2018/03/31 21:06:15 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") ioctl$VHOST_SET_VRING_BASE(r0, 0x4008af12, &(0x7f0000000000)={0x3, 0x4}) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) 2018/03/31 21:06:15 executing program 3: r0 = socket$inet(0x2, 0x3, 0xdc) perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmmsg(r0, &(0x7f0000001e80)=[{{&(0x7f0000000000)=@in={0x2}, 0x80, &(0x7f0000000080), 0x0, &(0x7f0000000080)}}, {{&(0x7f00000002c0)=@in={0x2, 0x0, @broadcast=0xffffffff}, 0x80, &(0x7f0000000600), 0x0, &(0x7f0000000080)=[{0x18, 0x0, 0x20000000000007, "cf"}], 0x18}}], 0x2, 0x0) 2018/03/31 21:06:15 executing program 6: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r0 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000001600)='/dev/qat_adf_ctl\x00', 0x10000, 0x0) getpeername$packet(r0, &(0x7f0000001640)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000001680)=0x14) ioctl$TUNSETIFINDEX(r1, 0x400454da, &(0x7f00000016c0)=r2) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r0, &(0x7f0000000440)='./file0/file0\x00') r3 = syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) sendmsg$kcm(r3, &(0x7f00000015c0)={&(0x7f00000000c0)=@nfc={0x27, 0x1, 0x0, 0x5}, 0x80, &(0x7f0000000340)=[{&(0x7f0000000200)="ab0aef5a21e7594d438b280a9e172ee78ecc2f066ba90033a9d2f1787be89013f7196d2b5522709e48e1b2190f3ef9e26fff142d1524d3f1e7317e3c08da4b182b9e43cb0c93471535a037a0d099adef8080129c5efcbeb405c5fb12735ec095670ed97f6bdfc48048e031d42c8749fba878ecdfdbf217fd74c697b61a4dcd2a928bf26303adf1858906972308ec8fcc8394346c0aa5317972ee5b5744a52283ac08f2ab36704f1c64b334d2498b1ee33656418d2267b507cb822d6e3bb9f579eab3d99a1f768474ae86e4572e82c601dc", 0xd1}, {&(0x7f0000000480)="07729723c7b632e54d7b096a94db2fdaed08e3783591c32bcfa1bb212efca76473c36c7a70f78f95213db10eb3765b572d7f89354f3da7ad49443c12c06d5144939f6a206b1d133c02df3d42eebdb40de4740815314cd48cc980a0108dbbc9063845d3ce01f49383eb6ceefe13aff1d165e25289710fa5df7a4501518287fb7159b2795c1d128696ea3b998cb94a55a6c7a209f6fce3a2a7cc7e95b4195932bd0cab66", 0xa3}, {&(0x7f0000000540)="a1da80543a5a5738e4ed2eac717bc365698d56fecdebdcc22843bf7babff24048f3ba83869d24dde13241dc1d6da7f16c3c2436913eedef9033c0e67d50251ea17eb26a8ab6b61a47f81bfce01be82abe35dc7d1", 0x54}, {&(0x7f0000000040)="40dd36484cf480742cc8f8355d571dece561589f76f1d6138f7d9cf34c10d0eccc7020", 0x23}, {&(0x7f0000000180)="030846962f2f5f3ec39ffdcf02783b09c169327c039d933f1f1866d02197dfd983c6dce3f523a7d9053b563e59", 0x2d}, 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0x1000}], 0x6, &(0x7f0000001900)=[{0x100c, 0x10d, 0x7f, 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{0x60, 0x0, 0x1, "b18a7e899d8a160c26cb1e6afe7ac33d49eb5484716123b1092f58f3aed3223246cad0731ab86696c0ab9d43de08797f556772504b28cf06d27f812d93118210aace821eac268e2c3d48a0516f27ddec9a5c4a"}], 0x106c, 0x4000}, 0x80) 2018/03/31 21:06:15 executing program 1 (fault-call:6 fault-nth:49): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:15 executing program 5: 2018/03/31 21:06:15 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x2) ioctl(r0, 0x4000000002283, &(0x7f0000139000)='4') read(r0, &(0x7f0000000040)=""/24, 0x18) write$evdev(r0, &(0x7f0000b5df88)=[{}, {}, {}, {{0x77359400}}], 0x60) 2018/03/31 21:06:15 executing program 7: [ 894.961245] FAULT_INJECTION: forcing a failure. [ 894.961245] name failslab, interval 1, probability 0, space 0, times 0 [ 894.972689] CPU: 0 PID: 23015 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 894.980062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 894.989429] Call Trace: [ 894.992032] dump_stack+0x194/0x24d [ 894.995685] ? arch_local_irq_restore+0x53/0x53 [ 895.000394] should_fail+0x8c0/0xa40 [ 895.004128] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 895.009252] ? __mutex_lock+0x16f/0x1a80 [ 895.013335] ? trace_hardirqs_off+0x10/0x10 [ 895.017687] ? find_held_lock+0x35/0x1d0 [ 895.021769] ? __lock_is_held+0xb6/0x140 [ 895.025885] ? check_same_owner+0x320/0x320 [ 895.030210] ? lock_downgrade+0x980/0x980 [ 895.034351] ? rcu_note_context_switch+0x710/0x710 [ 895.039278] should_failslab+0xec/0x120 [ 895.043332] __kmalloc_track_caller+0x5f/0x760 [ 895.047909] ? string+0x180/0x200 [ 895.051350] ? kstrdup_const+0x39/0x50 [ 895.055230] kstrdup+0x39/0x70 [ 895.058416] kstrdup_const+0x39/0x50 [ 895.062118] __kernfs_new_node+0xa2/0x570 [ 895.066255] ? kernfs_dop_revalidate+0x380/0x380 [ 895.071002] ? memset+0x31/0x40 [ 895.074283] ? snprintf+0xc0/0xf0 [ 895.077727] ? vsprintf+0x40/0x40 [ 895.081168] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.086089] ? cgroup_file_name+0x1d0/0x1d0 [ 895.090412] kernfs_new_node+0x80/0xe0 [ 895.094306] __kernfs_create_file+0x4b/0x320 [ 895.098710] cgroup_addrm_files+0x3c5/0xa70 [ 895.103044] ? cgroup_file_write+0x710/0x710 [ 895.107449] ? cgroup_idr_replace+0x3f/0x50 [ 895.111766] ? __lock_is_held+0xb6/0x140 [ 895.115825] ? __local_bh_enable_ip+0x121/0x230 [ 895.120494] ? online_css+0x224/0x2e0 [ 895.124286] css_populate_dir+0x198/0x420 [ 895.128429] cgroup_apply_control_enable+0x390/0xbc0 [ 895.133531] ? cgroup_propagate_control+0x570/0x570 [ 895.138546] ? css_populate_dir+0x289/0x420 [ 895.142858] cgroup_mkdir+0x56f/0xfc0 [ 895.146643] ? __lock_is_held+0xb6/0x140 [ 895.150700] ? cgroup_destroy_locked+0x750/0x750 [ 895.155443] ? rcu_read_lock_sched_held+0x108/0x120 [ 895.160446] ? kmem_cache_free+0x258/0x2a0 [ 895.164767] ? set_nlink+0xc1/0x160 [ 895.168385] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.173298] ? generic_permission+0x105/0x3c0 [ 895.177962] ? cgroup_destroy_locked+0x750/0x750 [ 895.182714] kernfs_iop_mkdir+0x153/0x1e0 [ 895.186851] vfs_mkdir+0x390/0x600 [ 895.190384] SyS_mkdirat+0x22b/0x2b0 [ 895.194089] ? SyS_mknod+0x480/0x480 [ 895.197790] ? do_fast_syscall_32+0x156/0xf9f [ 895.202285] ? SyS_mknod+0x480/0x480 [ 895.206002] do_fast_syscall_32+0x3ec/0xf9f [ 895.210330] ? do_int80_syscall_32+0x9c0/0x9c0 [ 895.214901] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 895.219650] ? syscall_return_slowpath+0x2ac/0x550 [ 895.224566] ? prepare_exit_to_usermode+0x350/0x350 [ 895.229670] ? sysret32_from_system_call+0x5/0x3c [ 895.234504] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 895.239339] entry_SYSENTER_compat+0x70/0x7f [ 895.243729] RIP: 0023:0xf7faec99 [ 895.247083] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 895.254802] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 2018/03/31 21:06:15 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000040)={0x0, @in6={{0xa, 0x4e23, 0x101, @empty, 0x3}}, 0x8000, 0x8}, &(0x7f0000000100)=0x88) getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000140)=@assoc_value={r1, 0xfffffffffffffffb}, &(0x7f0000000180)=0x8) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) ioctl$TIOCMSET(r0, 0x5418, &(0x7f0000000000)=0x4) 2018/03/31 21:06:15 executing program 5: 2018/03/31 21:06:15 executing program 2: 2018/03/31 21:06:15 executing program 7: mkdir(&(0x7f0000578000)='./file0\x00', 0x0) lsetxattr(&(0x7f0000712ff8)='./file0\x00', &(0x7f0000faffe7)=@known='system.posix_acl_default\x00', &(0x7f00002e7fec)="020000002000002000feff006ce726b88c001100", 0x14, 0x0) 2018/03/31 21:06:15 executing program 2: r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x49, 0x2, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_REFRESH(r0, 0x2402, 0x3) ioctl$PERF_EVENT_IOC_REFRESH(r0, 0x2402, 0x3) pipe2(&(0x7f00000000c0), 0x0) [ 895.262059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 895.269312] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 895.276564] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 895.283824] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 895.291311] cgroup: cgroup_addrm_files: failed to add bfq.weight, err=-12 2018/03/31 21:06:15 executing program 3: r0 = socket$inet6(0xa, 0x805, 0x0) sendto$inet6(r0, &(0x7f0000000080)='-', 0x1, 0x0, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/03/31 21:06:15 executing program 5: pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) rmdir(&(0x7f0000000080)='./file1\x00') r1 = open$dir(&(0x7f00000004c0)='./file0\x00', 0x400000, 0x0) r2 = open$dir(&(0x7f0000001480)='./file0\x00', 0x1fffe, 0x0) r3 = open$dir(&(0x7f0000000500)='./file0\x00', 0x2, 0x0) umount2(&(0x7f0000001440)='./file0\x00', 0x3) write(r3, &(0x7f0000000300)="d88a8d38144e5013d473c0ac2ca61ff3b749a4f5c7e6e9c2ce586e5cfca5d60ffc9a4df71856925b300ab39b1dd5", 0x2e) linkat(r1, &(0x7f0000000200)='./file0\x00', r2, &(0x7f0000000240)='./file0\x00', 0x0) sendfile(r3, r3, &(0x7f0000000040), 0x7527fb3200000000) pwritev(r0, &(0x7f0000000280)=[{&(0x7f0000001940)="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", 0x142}], 0x1, 0x0) syncfs(r2) getdents64(r0, &(0x7f0000001840)=""/250, 0xfa) syncfs(r2) open$dir(&(0x7f0000000140)='./file0\x00', 0x2501, 0xac) pwritev(r2, &(0x7f00000002c0)=[{&(0x7f0000000540)="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", 0xf00}], 0x1, 0x0) lseek(r1, 0x43, 0x6) ftruncate(r2, 0x7f) pwritev(0xffffffffffffffff, &(0x7f0000000100), 0x0, 0x0) 2018/03/31 21:06:15 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) bind$alg(r0, &(0x7f0000000000)={0x26, 'aead\x00', 0x0, 0x0, 'rfc7539esp(xts(des3_ede),tgr128-generic)\x00'}, 0x58) 2018/03/31 21:06:15 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x136, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000500)={0xaa}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000800), &(0x7f0000000840)=0xc) ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(0xffffffffffffffff, 0xc1105517, &(0x7f00000008c0)={{0x0, 0x0, 0x0, 0x0, "04e2444c585ae1b991bf8c1dafc9844c401fec21313656cc39cf7e27c4be3abd0892db53f6674a21d9d636de"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "327a940832110a86eb89c10a81e1586081c62850e207044dd0be8637f2a30c0f776541d8a0ab11d0b07111f2b85f98c1d932f8e184e900aea6b8609062d34be9", &(0x7f0000000880)='%\x00', 0x2, [], [0x0, 0x0, 0x100000001]}) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='map_files\x00') fchdir(r0) syz_fuseblk_mount(&(0x7f00000004c0)='-/file0\x00', &(0x7f0000dd3ff8)='-/file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x800) getsockopt(0xffffffffffffffff, 0x0, 0x0, &(0x7f00000006c0)=""/251, &(0x7f00000007c0)=0xfb) 2018/03/31 21:06:15 executing program 6: rmdir(&(0x7f0000000040)='./file0\x00') mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x20800, 0x0) r3 = fcntl$getown(r1, 0x9) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000700)={{{@in=@loopback, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@mcast1}}, &(0x7f0000000800)=0xe8) stat(&(0x7f0000000840)='./file1\x00', &(0x7f0000000880)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000900)=0x0) lstat(&(0x7f0000000940)='./file1\x00', &(0x7f0000000980)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000000a00)='./file0\x00', &(0x7f0000000a40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r9 = fcntl$getown(r1, 0x9) fstat(r0, &(0x7f00000010c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r11 = getgid() ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000001140)=0x0) lstat(&(0x7f0000001180)='./file1\x00', &(0x7f00000011c0)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000001240)={0x0, 0x0, 0x0}, &(0x7f0000001280)=0xc) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f00000012c0)=0x0) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000001300)={0x0, 0x0}, &(0x7f0000001340)=0xc) lstat(&(0x7f0000001380)='./file0/file0\x00', &(0x7f00000013c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r18 = getpid() stat(&(0x7f0000001440)='./file0/file0\x00', &(0x7f0000001480)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000001500), &(0x7f0000001540)=0x0, &(0x7f0000001580)) r21 = getpgrp(0xffffffffffffffff) stat(&(0x7f0000008c80)='./file0\x00', &(0x7f0000008cc0)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000001840)='./file0\x00', &(0x7f0000003900)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r24 = getpgid(0xffffffffffffffff) getresuid(&(0x7f0000004380)=0x0, &(0x7f00000043c0), &(0x7f0000004400)) lstat(&(0x7f0000004440)='./file1\x00', &(0x7f0000004480)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000004500)=0x0) r28 = getuid() lstat(&(0x7f0000004540)='./file0/file0\x00', &(0x7f0000004580)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f0000004c80)=0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000004cc0)={{{@in6=@dev, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in=@broadcast}}, &(0x7f0000004dc0)=0xe8) getgroups(0x6, &(0x7f0000004e00)=[0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff]) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000008500)=0x0) r34 = getuid() stat(&(0x7f0000008540)='./file0\x00', &(0x7f0000008580)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r36 = getpgrp(0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000008980)={{{@in=@multicast1, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6=@dev}}, &(0x7f0000008a80)=0xe8) r38 = getgid() fcntl$getownex(r2, 0x10, &(0x7f0000008c40)={0x0, 0x0}) r40 = geteuid() r41 = getegid() sendmmsg$unix(r2, &(0x7f0000008b40)=[{&(0x7f0000000200)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000180)=[{&(0x7f0000000100)="a5e28905b904d674bab7759347c44cdc70312a8539abe0aeb4517425d7688473350c4286c475336e60c2f25313ba4f4bef1f35d59b940174532c", 0x3a}, {&(0x7f0000000480)="dbb9fbfdaf8aa9699eb4fcb770e0a682c5f05b7659b216420074037fe118ce825ec7b9b74575b1632ed6fae66645449d0f81dcc037c0662a99bd5b1a9dcd4b61a057cd430b59c331179f16f53ff2b98ecf0a76b7c636cfd06168961641524e85eb08e883d14d4df3cfc870111b6d1353148238d4f80315bf6509418cc70850402035cb34e83a1e225e0c985adab5abca7e113159d4d9c6dbe5366835f484b48eecb141f047265656ad533d33b04ce1f2f2118a94777d9a02a0a71fadd4b2b3bbc5b0e32653949a7d59a28520a7f452c29ece43e2d710c3f5568a9130ceaa1d519e00150cc193fde34c396157e1", 0xed}], 0x2, 0x0, 0x0, 0x4}, {&(0x7f0000000280)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f00000006c0)=[{&(0x7f0000000340)="bf67c7ce5be287003848bdf0b523dcea11d6f2f156fe37e5c2feeb087b45e420ce0c039f4db6dc4b296f796a77a9f663d001497987749aeb379af940a998cd1d", 0x40}, {&(0x7f0000000580)="a3e47169533842240201d8dcd1410a9f0226c3722dbb8d4dbda71b16f3c77fbd7c5719e5169d83e4a1cd4a25a5df0296d7bfe60fbaf1b22a40fcc7f2fbb6dcebe0", 0x41}, {&(0x7f0000000600)="7b19f8809547f4c7df8996f3", 0xc}, {&(0x7f0000000640)="9c69f03b9db46a68b233e11c43295cd358f00c3d6fa1742b3603c22302923fd96b731a84d7a23b18a804b6af1d1a9fa72393d6f10e57726e2e519cdf482d50e8c3ef5bf3e2c70fc1544151213b744636602e71f7552563107a", 0x59}], 0x4, &(0x7f0000000ac0)=[@cred={0x18, 0x1, 0x2, r3, r4, r5}, @rights={0x10, 0x1, 0x1, [r0]}, @cred={0x18, 0x1, 0x2, r6, r7, r8}, @rights={0x18, 0x1, 0x1, [r1, r1, r0]}, @rights={0x10, 0x1, 0x1, [r0]}, @rights={0x30, 0x1, 0x1, [r0, r0, r1, r1, r0, r0, r0, r1, r1]}], 0x98}, {&(0x7f0000000b80)=@file={0x0, './file0/file0\x00'}, 0x6e, &(0x7f0000001040)=[{&(0x7f0000000c00)="8cdde0bf6fdd4536b65c5c18cd63a826404147745c704f9a27a1424ea486f8d019", 0x21}, {&(0x7f0000000c40)="a0c6ff66648d6fd2c1d862fc2089efafe83b51b9e6bfe0b122f926633f9bf9f3363346f7779c7f514ad65c36e2eba26267c404a670458c9e99d96555e0c5c5745b9d5625f02fe77174c8ca8a2df3bba6cbabe9116d31d4389229a6517d9109f8bb90dc1de5312060daacfcf01f10b47260cacb2fec3ff5b10a6f7462dc647a94242d1201d184a2", 0x87}, {&(0x7f0000000d00)="7e77bdc24c57c0dfe8d2e80819f9b0afbcd60e4304bb5dc8d409452b2e6247c6ef32fa732af9530a2310ec8b41592f9e838949f5943e4b79a654e1793742ec77af3973efb15e54a47cb432c81202c0391dc694a739f09926c1ec8b1468afc173c363fb6012e3dc17a432db313e32a140399c70abc68df824bf85dfc8049e4a38b27587414aa1aa228bfe9960a43607a0df51a3", 0x93}, {&(0x7f0000000dc0)="fb590221", 0x4}, {&(0x7f0000000e00)="bbe897bd826303c566665f6b20f2c094b41fb89644125619b23a0488790448e9473e8fb14478dbfb2da0abd42e4d508166ecf6d96c2ba4b66b5bff36bfc42b7f5861f9b4c1281de0aa19fafa34594446859765017d1ed559c37700c1b0d06b405a2242b8d40d01b43b47d89519fbd04e197a885820", 0x75}, {&(0x7f0000000e80)="1764e5df2eb1ed404557376a968ff7ea26f707f31750aa9c18078070b36901637831d4596a4a604873fd06e493af7bab5fd8d8787c16552282d6978c8cb2e79092d89e07b1af0fe9cb8bd2a212c195ac0f8b541e9e4fd7529d93b9a97e4c79e3cb56e5d92414f46c7edfd74a845bdf10df10f62a278b723bd8d57a1bf6a2e367baae612cad93f18278ba1e5a130ecdbfbc3756a3bc0e4578", 0x98}, {&(0x7f0000000f40)="597e700ea7d1255244461edbfe37f74a117bd164a8ba7c59f48278e4e953e210e880de56cb71ab1563284b9b2db4b40ed5bfb8b2ce27c43f5b0be872107d113e39121bade78c5c7ca40d312d7b50bbe305e9afd8d954b84466da6786b576dc85e7c0db913963e27900bb33337021c0", 0x6f}, {&(0x7f0000000fc0)="eb", 0x1}, {&(0x7f0000001000)="ea3ac60a1f8babd99bffad772b6ffdbf364967b80100afa72cc8824a27e04b60", 0x20}, {&(0x7f0000001900)="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{&(0x7f0000007440)="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0x1000}, {&(0x7f0000008440)="43693f1b471fe7c915080f73d79e19f42d8ba576ab29b5e0d533e91594150c2cc544d79346859dc512175499c48c4d1a5a3f4830", 0x34}], 0xa, &(0x7f0000008600)=ANY=[@ANYBLOB="180000000100000001000000", @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r1, @ANYBLOB="1c0000227f09e3", @ANYRES32=r0, @ANYRES32=r1, @ANYRES32=r1, @ANYRES32=r0, @ANYBLOB="180000000100000002000000", @ANYRES32=r33, @ANYRES32=r34, @ANYRES32=r35], 0x4c, 0x40050}, {&(0x7f0000008680)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f0000008940)=[{&(0x7f0000008700)="3424feea7354143c286137c27f0442c4ea09c675d664e59a0f2dc2b1a4defab8c9d25b7d2c359a1dae96925039abf591192738acfa26dd616fdbb8ca4e3a13fa546457052a2ccc2ba97f0d321298270bbddeeb1a157698a4ac8c0573f1c5cad952b1f952ca2e4cfc8c5a18318dfcc98700e842833539b1133bf6e712dc3bc9bffc9e80eba06c9d1af61079fab81a4e1a7a4457f25498e46275cc31c7928cf857226d66d2c772c52b99f643bb0eec0e60e6f6c74a65e9ac75e1963d678e6494b997a8dab7a26d7d941e1c3429c6f8", 0xce}, {&(0x7f0000008800)="9c91dab8a2926efd500007bd18e56c498a47d79807302464707dbf2fbcc7339dac32cb6c9fae7d5b45c5f1e8f7c0c307b91d3761529a58a5daa5869373c0c99b93c3fa490a2ef155244efbd5ba132ec7a558dbdc15c793280953d6d638ca882498de203a6a97d8fb6a32b465bce0736ec9cba850a1baa2e399e1b60befa07eb65916f2b7e7c24d3cc75449dafdc721b081d5efbfb20c5d", 0x97}, {&(0x7f00000088c0)="15c913b092c7241b0b9f729e2a7bb1e1ce5f67d6f903a7cb7578c73e66fc5b295c5e7de03853210090e61132139dd0ecb2fff0586bc4de254195f66404691ce3fef398034ac7e3455a91d51b08339c27aa506bb79cc2e3a7824a67329a4f8bf7fbfde4f9128fbfda846ba46170b10d061126163ecb57ef6a7e2990ece6fbad18", 0x80}], 0x3, &(0x7f0000008b00)=[@cred={0x18, 0x1, 0x2, r36, r37, r38}, @cred={0x18, 0x1, 0x2, r39, r40, r41}], 0x30, 0x800}], 0x9, 0x0) unlinkat(r1, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(0xffffffffffffffff, 0x4b44, &(0x7f0000000140)) symlinkat(&(0x7f0000000400)='./file0/file0\x00', r1, &(0x7f0000000440)='./file0/file0\x00') syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) 2018/03/31 21:06:15 executing program 1 (fault-call:6 fault-nth:50): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:15 executing program 7: setpriority(0x0, 0x0, 0x0) 2018/03/31 21:06:15 executing program 3: r0 = socket$netlink(0x10, 0x3, 0xa) sendmsg$nl_xfrm(r0, &(0x7f0000000c40)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000c00)={&(0x7f00000000c0)=@newsa={0xf0, 0x10, 0x0, 0x0, 0x0, {{@in=@loopback=0x7f000001, @in=@multicast1=0xe0000001}, {@in6=@local={0xfe, 0x80, [], 0xaa}}, @in6=@loopback={0x0, 0x1}}}, 0xfddf}, 0x1}, 0x0) recvmmsg(r0, &(0x7f0000000500)=[{{&(0x7f00000001c0)=@can, 0x80, &(0x7f00000004c0)}}], 0x1, 0x0, &(0x7f0000000540)={0x0, 0x989680}) 2018/03/31 21:06:15 executing program 2: r0 = syz_open_dev$evdev(&(0x7f0000000100)='/dev/input/event#\x00', 0x0, 0x0) r1 = dup(r0) ioctl$TIOCSBRK(r1, 0x40044591) [ 895.578109] FAULT_INJECTION: forcing a failure. [ 895.578109] name failslab, interval 1, probability 0, space 0, times 0 [ 895.589541] CPU: 1 PID: 23060 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 895.597038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 895.606394] Call Trace: [ 895.608984] dump_stack+0x194/0x24d [ 895.612619] ? arch_local_irq_restore+0x53/0x53 [ 895.617287] should_fail+0x8c0/0xa40 [ 895.620983] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 895.626094] ? rb_first_postorder+0xa0/0xa0 [ 895.630405] ? __mutex_lock+0x16f/0x1a80 [ 895.634463] ? trace_hardirqs_off+0x10/0x10 [ 895.638778] ? find_held_lock+0x35/0x1d0 [ 895.642828] ? __lock_is_held+0xb6/0x140 [ 895.646889] ? check_same_owner+0x320/0x320 [ 895.651208] ? lock_downgrade+0x980/0x980 [ 895.655345] ? rcu_note_context_switch+0x710/0x710 [ 895.660262] should_failslab+0xec/0x120 [ 895.664226] __kmalloc_track_caller+0x5f/0x760 [ 895.668809] ? string+0x180/0x200 [ 895.672267] ? kstrdup_const+0x39/0x50 [ 895.676142] kstrdup+0x39/0x70 [ 895.679332] kstrdup_const+0x39/0x50 [ 895.683046] __kernfs_new_node+0xa2/0x570 [ 895.687178] ? kernfs_dop_revalidate+0x380/0x380 [ 895.691918] ? snprintf+0xc0/0xf0 [ 895.695466] ? vsprintf+0x40/0x40 [ 895.698910] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.703822] ? cgroup_file_name+0x1d0/0x1d0 [ 895.708137] kernfs_new_node+0x80/0xe0 [ 895.712024] __kernfs_create_file+0x4b/0x320 [ 895.716426] cgroup_addrm_files+0x3c5/0xa70 [ 895.720748] ? cgroup_file_write+0x710/0x710 [ 895.725152] ? cgroup_idr_replace+0x3f/0x50 [ 895.729456] ? __lock_is_held+0xb6/0x140 [ 895.733515] ? __local_bh_enable_ip+0x121/0x230 [ 895.738180] ? online_css+0x224/0x2e0 [ 895.741988] css_populate_dir+0x198/0x420 [ 895.746121] cgroup_apply_control_enable+0x390/0xbc0 [ 895.751210] ? cgroup_propagate_control+0x570/0x570 [ 895.756211] ? css_populate_dir+0x289/0x420 [ 895.760512] cgroup_mkdir+0x56f/0xfc0 [ 895.764292] ? __lock_is_held+0xb6/0x140 [ 895.768344] ? cgroup_destroy_locked+0x750/0x750 [ 895.773092] ? rcu_read_lock_sched_held+0x108/0x120 [ 895.778100] ? kmem_cache_free+0x258/0x2a0 [ 895.782346] ? set_nlink+0xc1/0x160 [ 895.785967] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 895.790887] ? generic_permission+0x105/0x3c0 [ 895.795382] ? cgroup_destroy_locked+0x750/0x750 [ 895.800315] kernfs_iop_mkdir+0x153/0x1e0 [ 895.804461] vfs_mkdir+0x390/0x600 [ 895.808003] SyS_mkdirat+0x22b/0x2b0 [ 895.811714] ? SyS_mknod+0x480/0x480 [ 895.815600] ? do_fast_syscall_32+0x156/0xf9f [ 895.820094] ? SyS_mknod+0x480/0x480 [ 895.823807] do_fast_syscall_32+0x3ec/0xf9f [ 895.828132] ? do_int80_syscall_32+0x9c0/0x9c0 [ 895.832704] ? _raw_spin_unlock_irq+0x27/0x70 [ 895.837188] ? finish_task_switch+0x1c1/0x7e0 [ 895.841664] ? syscall_return_slowpath+0x2ac/0x550 [ 895.846571] ? prepare_exit_to_usermode+0x350/0x350 [ 895.851566] ? sysret32_from_system_call+0x5/0x3c [ 895.856401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 895.861233] entry_SYSENTER_compat+0x70/0x7f [ 895.865617] RIP: 0023:0xf7faec99 [ 895.868969] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/03/31 21:06:16 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="2f657865000000000000d50fef7afaf807e3c2f98d0d02812e3ca05fc31e623a2a051fc20fa5a02d84267a0067ac78b8ed1ee48d8097f99d3188a59818771e21974fc3d02efdabd0512782c2474e0a8c17538091e53bdc54aa574b0615a98c9046beb56b8bb5744fcc54b400dec854d2da9efbbdf5e4c75fae864cc0fce7514c133f17a1b93b735d3d5b3e10b683128034ec6e19ed879a810a401f95b9860b41b3b8683ac1b6f21c21769cbd07a9b0f2ab9711ecaaf67a7a74beef377c60b435f3eee826d174ca7516e89abcebd589104d80402accdc8d7ae101c57bbc26c33df519152ef8daf388b20fbc8c55cdb7d471a822531e7d7b88bbb269d72051d9f92d569935ce2b387f9e30fabf336e53827a8bdd4f7c3fba515ade98e68d965b0a52ec80d74eebb4c2904be489d2d473dab9f302545f6fd2973979092a404bdee5aad5d3eb20cb69f2e8c01eab7fbf98463fcdeb034f041dbd1cd779e40828d9db22f3e839a3f58a0e6ac2312fb1f95ffb6e97c6cc55353b7301984f08f9ca247456b5628692d5e443455794a27c4b194226b60a3b19bf09a2595e1d5aa5eb62934533af467d7de9c30c5f7b4db1f048c64587b71b2be65c78") fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000000c0)=""/159, 0x78) setsockopt$inet_dccp_int(r0, 0x21, 0x1f, &(0x7f00000002c0)=0x65bf, 0xffffffd0) fcntl$setflags(r0, 0x2, 0x1) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000080)) ioctl$EVIOCGABS0(r0, 0x80184540, &(0x7f0000000180)=""/180) 2018/03/31 21:06:16 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='ns/cgroup\x00') getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000040), &(0x7f0000000080)=0xb) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f00000003c0)={0x10}, 0xc, &(0x7f0000000600)={&(0x7f00000004c0)=ANY=[@ANYBLOB="240000871800210400000000000000000200000000000000000000000800150000000000"], 0x24}, 0x1}, 0x0) 2018/03/31 21:06:16 executing program 5: perf_event_open(&(0x7f0000d2af88)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000040)=0x2) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) close(r0) 2018/03/31 21:06:16 executing program 6: mkdir(&(0x7f0000000040)='./file0\x00', 0x4000000000010) r0 = syz_open_dev$dmmidi(&(0x7f0000000480)='/dev/dmmidi#\x00', 0x2, 0x82040) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0106434, &(0x7f00000004c0)={0x4, 0x0, 0x10001, 0x100000000}) ioctl$DRM_IOCTL_AGP_FREE(r0, 0x40106435, &(0x7f0000000500)={0xb6, r1, 0x10001, 0x400}) r2 = perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r3 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) unlinkat(r3, &(0x7f0000000080)='./file0\x00', 0x200) ioctl$KDGKBMODE(r0, 0x4b44, &(0x7f00000005c0)) r4 = socket(0x17, 0x1, 0x7fff) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000680)={0x0, 0x1, 0x9, 0x3ffc000000}, &(0x7f00000006c0)=0x10) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffff9c, 0x84, 0x6, &(0x7f0000000700)={0x0, @in6={{0xa, 0x4e21, 0x1, @dev={0xfe, 0x80, [], 0xa}, 0x100}}}, &(0x7f00000007c0)=0x84) getsockopt$inet_sctp_SCTP_STATUS(r4, 0x84, 0xe, &(0x7f0000000800)={r5, 0xe9, 0x108, 0x40, 0x6, 0x6, 0xfffffffffffffffa, 0x800, {r6, @in6={{0xa, 0x4e20, 0xfaf4, @dev={0xfe, 0x80, [], 0x18}, 0x6dd4}}, 0x9, 0x3, 0x80000001, 0x22c1, 0x401}}, &(0x7f00000008c0)=0xb0) recvmsg$kcm(r3, &(0x7f0000000280)={&(0x7f00000000c0)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @remote}}}, 0x80, &(0x7f0000000200)=[{&(0x7f0000000180)=""/112, 0x70}], 0x1, &(0x7f0000000240)=""/52, 0x34, 0x9}, 0x2) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r7, 0x84, 0x21, &(0x7f00000002c0), &(0x7f0000000340)=0x4) symlinkat(&(0x7f0000000400)='./file0\x00', r3, &(0x7f0000000440)='./file0/file0\x00') socket$bt_rfcomm(0x1f, 0x3, 0x3) r8 = syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x3, 0x10a00) fadvise64(r2, 0x0, 0x4, 0x3) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(r8, 0x54a2) 2018/03/31 21:06:16 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x2) ioctl(r0, 0x4000000002283, &(0x7f0000139000)='4') read(r0, &(0x7f0000000040)=""/24, 0x18) write$evdev(r0, &(0x7f0000b5df88)=[{}, {}, {}, {{0x77359400}}], 0x60) 2018/03/31 21:06:16 executing program 3: socket$packet(0x11, 0x3, 0x300) syz_open_dev$binder(&(0x7f00008e9ff3)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) unshare(0x40600) vmsplice(r0, &(0x7f0000002200)=[{&(0x7f0000000000)="0663c7e8b6f41f48ed2ed19e19d31cdf170c5c08cc6e4e359da88e8df98670c0e26f09f9de33fbc19f76954d5b44d8bfb4f94f355867edfbbcb69412c21b5f8bbb1e8c4b87f311cb6b2429cf11e0e05ffc8b41085d6c12bb195b236deb0eccdf79235b38f654320a7343459e76ac79eccf8658a63837cb26609b94d60f6a629a7283a7124b1cfa95efeb8bf8d63ce033dd3336a520d1e5a5afbcbc4c66f5b7372a3edfbf19745ba133b0942917e63d6cd48b0782ab42e43e09c868c7fdc92a1c3e3c12e21d42341fda1e09c568c0e2f8f5770b2d1ae3a39b8f59fd689723758c94bb7d2a83d2231f666461adf6a713a6", 0xf0}, {&(0x7f0000000100)="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", 0x1000}, {&(0x7f0000001100)="c6908f29f98110839e8fd2405204aa44f96e1528054f701a021abcba16a00579b93103a8c358c0e1cf8393e11e822d0f429b2195682dbb3ccc865b912e83b0bab015fde7c092b4cc4b25f830069a2f6c53f3191b9ef29a4ec7641d3375eb8f1fd6e5eb1d85a3caf302091d6f138d55e390538ac412522bae65fede0bb92740814b8e4e9686", 0x85}, {&(0x7f00000011c0)="a6a181e37b81d8347d6d579175abec70cbe0813151b05cd8e5d5e7d520b84e30", 0x20}, {&(0x7f0000001200)="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", 0x1000}], 0x5, 0x2) pselect6(0x40, &(0x7f00000abfc0)={0x3ffffd}, &(0x7f0000768000), &(0x7f00007fbfc0), &(0x7f0000569000)={0x0, 0x989680}, &(0x7f0000f14000)={&(0x7f0000553ff8), 0x8}) 2018/03/31 21:06:16 executing program 1 (fault-call:6 fault-nth:51): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000400)='/dev/usbmon#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000223000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0x9201, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) r1 = open$dir(&(0x7f000001bff4)='./file0\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000280)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x0) syz_open_dev$sndpcmp(&(0x7f00000018c0)='/dev/snd/pcmC#D#p\x00', 0x0, 0x10a00) ioctl$KVM_S390_UCAS_UNMAP(0xffffffffffffffff, 0x4018ae51, &(0x7f0000000740)={0x80000000, 0xfffffffffffffff8}) 2018/03/31 21:06:16 executing program 2: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x3}, 0x1c) connect(r0, &(0x7f0000000100)=@nl=@unspec, 0x80) syz_emit_ethernet(0x3e, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0980c200000086dd6006f5260008110000000000000000000000000000000000ff020000000000000100004e220008907800000000002000bd84b541d86c875276d5bc0a203acfb7e56d01028319bfd4b5258873ae530e25a81f3c19a1af3cc8ec566349e0df5f25f7b3f8fc95e73337d55376860503b4b17f35380daa6102cb8064f7a09c8f99db6c71a5abbe46769f2a90f381a41451"], &(0x7f0000775000)) futex(&(0x7f0000000000)=0x2, 0x0, 0x2, &(0x7f0000000040)={0x77359400}, &(0x7f0000000080)=0x2, 0x2) [ 895.876655] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 895.883905] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 895.891155] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 895.898402] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 895.905647] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 895.912976] cgroup: cgroup_addrm_files: failed to add bfq.weight, err=-12 2018/03/31 21:06:16 executing program 7: pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) getsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000100)={@mcast2, 0x0}, &(0x7f0000000200)=0x14) sendmsg(r1, &(0x7f0000001a40)={&(0x7f0000000240)=@ll={0x11, 0x1f, r2, 0x1, 0x2, 0x6, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x14}}, 0x80, &(0x7f0000000540)=[{&(0x7f00000002c0)="0eb406ac19015e2f1829bfd1eae4bf536e649a42221f94556d300a6ffc016807b58d334a250356a0b8306011907925b4df9b8fa04dd2057d6ec7cd908d2c4901849dad0dc1eb13", 0x47}, {&(0x7f0000000340)="a32221a53da529193407192746daeb01b801ba76175e6a5f97e6fe1a9edc0ebc442d4b7f1075b3f6b7186b08d7edb16ba874ce352bf4832899d1730389b598549885c3ac5816bceb9fbb93631dbfa0c7bd125b2b68c536d4ddd5661d26e6aaea69267875632eb1d33fe92ea412a458b319554ad6567e518da4baeaec14e77bd9e8f62ee80e28ffc13f976fc57efcf716c72cd2510a3551094013a85ab57b8a8b67c18452eb64da1f22d957f0dce2dcd7b6292a1c4c24250d0d20d13b86ba5bf5227d38448621f77141e87d36d190118319fb98f5", 0xd4}, {&(0x7f0000000440)="aae3d59cce6f4919145b271357b5c071f5f50292cd869d77becd46ad043c8df5c6fab66387b2b1275bd2c7dd20e59c75a0c3cc4ceb68b87c8259f9", 0x3b}, {&(0x7f0000000480)="835902e65b7066ea47917669b5ee2cd4e6090efd02677c6a09f2afd57007a0ca65ac63e6b286397bb26dd38128115fa1d6ed23d7445ca622402912c88116af91c17433a90b780e4985f1471a5a7e2188fee1241288bc50559a6e290cefb96662cd46b8cc533019b7b82704d3377ba9c4e49dd8b3e6439e483a2ca3fa6336206b5ff10ed9390914bc16aba1b20605f05ed6a3f0a4a134aee7fa51ffe39e1ae65a5f76ed9c1c40c1fb4a0f7fbba277a932718421a05606c645", 0xb8}], 0x4, &(0x7f0000000580)=[{0xc8, 0x10d, 0xffffffff, "a561fae1de83349d0a461093c0ddb96a0ce294648b39ed578a3c3dae84ff2590142ea176f7273eceaea2e8ecac5ac39542d253efe26ac0964ce2588e42e48454c97966edc7e795ab19cada9c43ad704bf5b3890adbe6e399c05e28d64f11c38b36b2a26e60926806d01831448b6142814226874db7eb4248f5a1edce1fefa775f269670d5377e66ba43855ce679e4cdd139136905fdc48d35b39979f5d4b84aa6ebb6af3767ce6501d05e57242faae836b9c228ea5d86f7bab49"}, {0xb0, 0x0, 0x4, "d1f0c4f792e9f9ccc476aefa78f49c78dad64b696f18601bc69cd9c582779acc0ee1fcea4cc4925bbd8d28c1db066f660eee6733d5f7c18088f0d5ae4411f0b35a1e0ac8411225ed281e3a2c4051152679ded599fbcadc971bc811e7fa7eb43d4adf15c554180e8e28135f1e48696c1f7e58d3fff4f7d9be3510d267d0b6130dd9a93e5fe3148427deb03956c53c47af387dd86baea6b1c0d6d8ed9146e7c422d223"}, {0x2c, 0x10f, 0xfffffffffffffffe, "03383fe61e5faeb3d555be39515cf8e5c9d9387512bd092615868a44c0"}, {0x68, 0x0, 0xfff, "5cbcafd04df9bc44fed9c806c99237ff3020a0ad5a4eeb26d9c45da34bededf0e86a92d529ad34bde74e8f62270081db4d20cc13af665ef3daf7cbe4b8460e427abb40f81fba72873e226921f0a6e890a05ffcebaf6282d2cc353a37"}, {0x100, 0x114, 0x20, "f5bd278d12c29eaf7ebca51e61a3bcf2e35a2bdffd186eff617e84df37f77436550e2bd21b90db9feb28b33b0b6db21ba966af8f4ac2b3e03b736d0516b07c5f0a65b62efd1475769d2a4a4256b0296d97fb4b9dc9025a56e82d79624ab1f3fc2637298dbbb17675f4b74581b492589d297c28ad0c1147cd47ebc798e86ed51bf4bf79306724ec0e509cc10218fde69fcb38b9bca235a90aec7fa4c96fc8157bed27ca99071f81eaab36f9ff5c4198ee70cd08b4afea63529527076fb171e6849dc94725ef0b51bd06222cf5f317abef5b4535057ba570f622c91c3fbbba2558c75be74a43cb24ea46974922de45fcce04"}, {0xcc, 0x10f, 0x5, "487059d03e3dc0abb71e3e09a99999a39c25dde78d174ccd66823d4af95dac7e3f62f073a9852c1ba3f4ab57f92e43fb8e316f69d3cde8011e8400f30007ef4f15d1ef2ab67574908b340f78739731fb2dd78c82ce7074a59631e96d381db23a1805f53a5e4a5569a792436c7bd655979d76f245114db0076355ad41528bd20d929b8cd75266c607c3d2655fdcd614daf807b63f87143dd2036718e4e70fd2d1d47fce9db3d91263fa0219bd8e135e5503c58d52c39d60487273ce289b"}, {0xb0, 0x111, 0xfffffffffffffffa, "f2f6116ba9104fb5b8370388d6092d434eba05925ce066464f1091b9357dab1839ae960ca95360006d2fe6359a7b722014ab804702471a70d80141ccde86d54bd8a1c33241c9ee18975c80aa039a64f7a40c2ff2132b6fcc495a9bcedba7aff4670319981929c02ea5c0e34ea05110d3e903edd2b46f3b1a48a4f7a7f53709f2c46c91946004dbfe7753c1f6ebafac7e77d8c29fd339a754a9c98140f5fe866735e0672a"}, {0x24, 0x113, 0x93, "91a5eb00b58c8e11ac47533c1fcb983ff4996a05c7"}, {0x100c, 0x116, 0x1, "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0x14b8, 0x80}, 0x40000) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$KVM_SET_DEBUGREGS(r0, 0x4080aea2, &(0x7f0000000080)={[0xd000, 0x4000, 0x0, 0x6000], 0x1, 0x0, 0x401}) socket(0x0, 0xa, 0x8020000000) socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_buf(r3, 0x0, 0x60, &(0x7f0000000140)="8628c2537e512f7689b84dbc26fa8006bae34c46c3708ced4c049a3b7774672c8e7da32bfc7ba046fbfff71163555654581653550f497405ff2f0b254c9562b3c540315731e32d692f8fcaed73d365fc9476a6b72d07b8f7e3c1330c50cc2500b08912e9c2170bfec8da924f8c6f8ef28d295abab76376a3b5bc4d52e8727f3450022545cefc3b54d1549da25ddacd8982f12fdec78f6e99c7823495b5fa8e503f8e13", 0xa3) fcntl$getown(r1, 0x9) [ 896.034968] FAULT_INJECTION: forcing a failure. [ 896.034968] name failslab, interval 1, probability 0, space 0, times 0 [ 896.046367] CPU: 0 PID: 23087 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 896.053733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 896.063091] Call Trace: [ 896.065697] dump_stack+0x194/0x24d [ 896.069344] ? arch_local_irq_restore+0x53/0x53 [ 896.074140] should_fail+0x8c0/0xa40 [ 896.077866] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 896.082980] ? rcu_read_lock_sched_held+0x108/0x120 [ 896.088048] ? find_held_lock+0x35/0x1d0 [ 896.092139] ? __lock_is_held+0xb6/0x140 [ 896.096205] ? check_same_owner+0x320/0x320 [ 896.100527] ? rcu_note_context_switch+0x710/0x710 [ 896.105459] should_failslab+0xec/0x120 [ 896.109419] kmem_cache_alloc_node_trace+0x5a/0x760 [ 896.114425] ? idr_alloc_u32+0x390/0x390 [ 896.118492] mem_cgroup_css_alloc+0x3b6/0x19c0 [ 896.123067] ? setup_cpu_cache+0x1c0/0x1c0 [ 896.127288] ? __kernfs_new_node+0x3f5/0x570 [ 896.131687] ? kernfs_dop_revalidate+0x380/0x380 [ 896.136431] ? memset+0x31/0x40 [ 896.139708] ? trace_hardirqs_off+0x10/0x10 [ 896.144029] ? kernfs_link_sibling+0x27d/0x380 [ 896.148599] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 896.153513] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 896.157993] ? cgroup_file_name+0x1d0/0x1d0 [ 896.162305] ? mutex_unlock+0xd/0x10 [ 896.166012] ? __lock_is_held+0xb6/0x140 [ 896.170076] ? cgroup_addrm_files+0x67f/0xa70 [ 896.174568] ? trace_hardirqs_off+0x10/0x10 [ 896.178875] ? cgroup_file_write+0x710/0x710 [ 896.183279] ? cgroup_idr_replace+0x3f/0x50 [ 896.187587] ? trace_hardirqs_off+0x10/0x10 [ 896.191893] ? __lock_is_held+0xb6/0x140 [ 896.195947] ? __local_bh_enable_ip+0x121/0x230 [ 896.200618] ? __lock_is_held+0xb6/0x140 [ 896.204684] cgroup_apply_control_enable+0x44d/0xbc0 [ 896.209785] ? cgroup_propagate_control+0x570/0x570 [ 896.214797] ? css_populate_dir+0x289/0x420 [ 896.219110] cgroup_mkdir+0x56f/0xfc0 [ 896.222894] ? __lock_is_held+0xb6/0x140 [ 896.226948] ? cgroup_destroy_locked+0x750/0x750 [ 896.231691] ? rcu_read_lock_sched_held+0x108/0x120 [ 896.236701] ? kmem_cache_free+0x258/0x2a0 [ 896.241024] ? set_nlink+0xc1/0x160 [ 896.244639] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 896.249553] ? generic_permission+0x105/0x3c0 [ 896.254040] ? cgroup_destroy_locked+0x750/0x750 [ 896.258783] kernfs_iop_mkdir+0x153/0x1e0 [ 896.262920] vfs_mkdir+0x390/0x600 [ 896.266450] SyS_mkdirat+0x22b/0x2b0 [ 896.270155] ? SyS_mknod+0x480/0x480 [ 896.273858] ? do_fast_syscall_32+0x156/0xf9f [ 896.278356] ? SyS_mknod+0x480/0x480 [ 896.282055] do_fast_syscall_32+0x3ec/0xf9f [ 896.286371] ? do_int80_syscall_32+0x9c0/0x9c0 [ 896.290945] ? _raw_spin_unlock_irq+0x27/0x70 [ 896.295427] ? finish_task_switch+0x1c1/0x7e0 [ 896.299913] ? syscall_return_slowpath+0x2ac/0x550 [ 896.304831] ? prepare_exit_to_usermode+0x350/0x350 [ 896.309833] ? sysret32_from_system_call+0x5/0x3c [ 896.314667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 896.319943] entry_SYSENTER_compat+0x70/0x7f [ 896.324343] RIP: 0023:0xf7faec99 [ 896.327691] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 896.335387] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 896.342641] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 896.349894] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 896.357147] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 896.364401] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 896.372660] kasan: CONFIG_KASAN_INLINE enabled [ 896.377642] kasan: GPF could be caused by NULL-ptr deref or user memory access 2018/03/31 21:06:16 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") openat$cgroup_subtree(r0, &(0x7f0000000000)='cgroup.subtree_control\x00', 0x2, 0x0) fgetxattr(r0, &(0x7f0000000240)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0xffbb) [ 896.385079] general protection fault: 0000 [#1] SMP KASAN [ 896.390610] Dumping ftrace buffer: [ 896.394149] (ftrace buffer empty) [ 896.398290] Modules linked in: [ 896.401485] CPU: 0 PID: 23087 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #284 [ 896.408834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 896.418199] RIP: 0010:__mem_cgroup_free+0x71/0x110 [ 896.423147] RSP: 0018:ffff8801aa95f558 EFLAGS: 00010206 [ 896.428510] RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffffffff8310cc1d [ 896.436212] RDX: 0000000000040000 RSI: ffffc90002432000 RDI: 0000000000000088 [ 896.443478] RBP: ffff8801aa95f578 R08: 0000000000000000 R09: ffff8801aa95f350 [ 896.450746] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 896.458013] R13: ffff8801b6cc29c0 R14: dffffc0000000000 R15: ffff8801b6cc29c0 [ 896.465287] FS: 0000000000000000(0000) GS:ffff8801db000000(0063) knlGS:00000000f5faab40 [ 896.473491] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 896.479451] CR2: 0000000008090930 CR3: 00000001d803c005 CR4: 00000000001606f0 [ 896.486711] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 896.493971] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 896.501218] Call Trace: [ 896.503802] mem_cgroup_css_alloc+0x403/0x19c0 [ 896.508377] ? setup_cpu_cache+0x1c0/0x1c0 [ 896.512594] ? __kernfs_new_node+0x3f5/0x570 [ 896.517000] ? kernfs_dop_revalidate+0x380/0x380 [ 896.521745] ? memset+0x31/0x40 [ 896.525007] ? trace_hardirqs_off+0x10/0x10 [ 896.529327] ? kernfs_link_sibling+0x27d/0x380 [ 896.533918] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 896.538922] ? cgroup_kn_set_ugid+0x2c7/0x370 [ 896.543399] ? cgroup_file_name+0x1d0/0x1d0 [ 896.547700] ? mutex_unlock+0xd/0x10 [ 896.551393] ? __lock_is_held+0xb6/0x140 [ 896.555449] ? cgroup_addrm_files+0x67f/0xa70 [ 896.559928] ? trace_hardirqs_off+0x10/0x10 [ 896.564229] ? cgroup_file_write+0x710/0x710 [ 896.568633] ? cgroup_idr_replace+0x3f/0x50 [ 896.572946] ? trace_hardirqs_off+0x10/0x10 [ 896.577271] ? __lock_is_held+0xb6/0x140 [ 896.581326] ? __local_bh_enable_ip+0x121/0x230 [ 896.585998] ? __lock_is_held+0xb6/0x140 [ 896.590058] cgroup_apply_control_enable+0x44d/0xbc0 [ 896.595147] ? cgroup_propagate_control+0x570/0x570 [ 896.600157] ? css_populate_dir+0x289/0x420 [ 896.604471] cgroup_mkdir+0x56f/0xfc0 [ 896.608266] ? __lock_is_held+0xb6/0x140 [ 896.612326] ? cgroup_destroy_locked+0x750/0x750 [ 896.617079] ? rcu_read_lock_sched_held+0x108/0x120 [ 896.622082] ? kmem_cache_free+0x258/0x2a0 [ 896.626308] ? set_nlink+0xc1/0x160 [ 896.629933] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 896.634840] ? generic_permission+0x105/0x3c0 [ 896.639318] ? cgroup_destroy_locked+0x750/0x750 [ 896.644066] kernfs_iop_mkdir+0x153/0x1e0 [ 896.648207] vfs_mkdir+0x390/0x600 [ 896.651739] SyS_mkdirat+0x22b/0x2b0 [ 896.655443] ? SyS_mknod+0x480/0x480 [ 896.659163] ? do_fast_syscall_32+0x156/0xf9f [ 896.663667] ? SyS_mknod+0x480/0x480 [ 896.667368] do_fast_syscall_32+0x3ec/0xf9f [ 896.671680] ? do_int80_syscall_32+0x9c0/0x9c0 [ 896.676245] ? _raw_spin_unlock_irq+0x27/0x70 [ 896.680731] ? finish_task_switch+0x1c1/0x7e0 [ 896.685208] ? syscall_return_slowpath+0x2ac/0x550 [ 896.690122] ? prepare_exit_to_usermode+0x350/0x350 [ 896.695130] ? sysret32_from_system_call+0x5/0x3c [ 896.699966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 896.704802] entry_SYSENTER_compat+0x70/0x7f [ 896.709190] RIP: 0023:0xf7faec99 [ 896.712531] RSP: 002b:00000000f5faa0ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 896.720229] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000020000280 [ 896.727500] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 896.734761] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 896.742019] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 896.749285] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 896.756558] Code: 00 00 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 99 00 00 00 4f 8b a4 e5 f0 09 00 00 49 8d bc 24 88 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 88 00 00 00 49 8b bc 24 88 00 00 00 e8 77 [ 896.775901] RIP: __mem_cgroup_free+0x71/0x110 RSP: ffff8801aa95f558 [ 896.782532] ---[ end trace 28c11b2d49c976d2 ]--- [ 896.787308] Kernel panic - not syncing: Fatal exception [ 896.793129] Dumping ftrace buffer: [ 896.796651] (ftrace buffer empty) [ 896.800339] Kernel Offset: disabled [ 896.803948] Rebooting in 86400 seconds..