8=>0xffffffffffffffff}) recvmsg$kcm(r8, &(0x7f0000000bc0)={&(0x7f0000000600)=@can, 0x80, &(0x7f0000000ac0)=[{&(0x7f0000000680)=""/236, 0xec}, {&(0x7f0000000780)=""/198, 0xc6}, {&(0x7f0000000880)=""/87, 0x57}, {&(0x7f0000000900)=""/55, 0x37}, {&(0x7f0000000940)=""/215, 0xd7}, {&(0x7f0000000a40)=""/98, 0x62}], 0x6, &(0x7f0000000b40)=""/93, 0x5d, 0x9}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000d80)={r8, &(0x7f0000000c00)="eebfb8f7c86aa0deb11a9a66c212f5ba75e633b559e7c293bf776be6df27a0615c9bc9ccf8dacbd5501de4d4d91712ce1aad640ba7c0ee862d6612aec3e68221a150be1acdd1f6d36e3bad26a4c7b143dc07f07b682c277760e5b31796e299813772ee6787b8c00abd334b5344c7cd47b3cb186063fa004a68e735371f21c1250ab294b333153ec23d1571f554a4980be8bfd243e5784af23ba30734ac25db590c9f4600ec831f6accd0815d3bcc99c848dda8c8e3829b1022e9d9494a76cc0999280e7659364b606884e851be2d0ababb565d5009ea35a92b177d777a27f71a13d93d44fdd4f20db576119a150d8cab897706", &(0x7f0000000d00)="e92bf7846f190210202240b446362e8492634a916d2c73702970c4144afd36f6404a1a940266ace3e498154153df147c063afb675c444c99a81ef384d9d1ad2f7d71ca050a527a4a86bd24c2cdfc0935737d821a5623cd2b9b9497198251cc54e7bffff121e018dedac688eab2ed18ab54cb93a15a714bcc", 0x3}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000fc0)={r8, &(0x7f0000000dc0)="805fcfc7206b2df79836e22fd1d0397a9db51aecad285076a5de25f0b60a8d100e170937a74621967cb8e314b71192381f9a178020032a37e5ef0b8cab2f9bef88bb6808507001b6f56fb00458545e8ef97d1fc7bfadb16354d774a14cb8a87f82daad3f5052bee2779d8e21e07334ce17a0d541f3e79f40d48335efdbb6ff70182d5c8a6b6bcc228a121d411e4b78199f4c084ddb6d22a4923907765abf00adb9731c5b5de2d63813c5f0dea26cf6ab768f4407419f6d27d66bb6328d39cf8694e5b9d430b2e42f55182da888b0704be6dde8304447420800ff7eaa6d4dc0448f8357d17a1a36f5c671198b88a22ad3953b6e1e674700", &(0x7f0000000ec0)="8a0a0c4150736d723288eab817b4f97d5de392acff17e3c69b0d34d3c72b1c7ec69df4dd94b6bb9b3e05d8067bfa4749141ad2165ad23f54ea1ff9b30f73480ddc9e962c4df32cba570c05e8a7bbea41a22257e0f0f669363c878069b46a01005e56e53c787520b3032fb37bf2c2ef2691ece597a05d408a6a9a808335cb09d4b34096568c980f2724401b42df6abfaaa053b64d16829938600b04524fee6832adfbf78b68c24522397517c435a36d04fabeefc718ec0b6874c97aab67cc0ce23fdd6e561d93edc58a69814b3f735f348be1c8cda2465b311e5dbf9aa89c0f27d98746ab99d193", 0x2}, 0x20) 2018/04/01 11:59:08 executing program 5: socketpair(0x9, 0xa, 0x1, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000140)="24008385eeee7369607dc5d59077bce64480f943b1c2b44bb762198c2ef6d9c297e9f581b65654363e4fa50c71f82618b3400fbfb0e597f0bf12f9cc42396cfb3b26b8a275c52a3d24cb2312af367e") 2018/04/01 11:59:08 executing program 7: mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:08 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)) recvmsg$kcm(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000380)=@vsock, 0x80, &(0x7f0000000580)=[{&(0x7f0000000480)=""/217, 0xd9}], 0x1, &(0x7f0000000840)=""/224, 0xe0}, 0x40010142) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:08 executing program 6 (fault-call:0 fault-nth:3): socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) 2018/04/01 11:59:08 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000389000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000180)={&(0x7f00000000c0)='./file0/bus/file0/file0\x00', 0x0, 0x18}, 0x10) mount(&(0x7f0000000080)='./file0/bus/file0/file0\x00', &(0x7f00000001c0)='./file0/bus\x00', &(0x7f0000000200)='configfs\x00', 0x0, &(0x7f0000000240)) ioctl$PERF_EVENT_IOC_ID(r0, 0x80082407, &(0x7f0000000340)) 2018/04/01 11:59:08 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000389000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000180)={&(0x7f00000000c0)='./file0/bus/file0/file0\x00', 0x0, 0x18}, 0x10) 2018/04/01 11:59:08 executing program 4: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 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) [ 139.177321] FAULT_INJECTION: forcing a failure. [ 139.177321] name failslab, interval 1, probability 0, space 0, times 0 [ 139.188663] CPU: 1 PID: 11572 Comm: syz-executor6 Not tainted 4.16.0-rc6+ #43 [ 139.195946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.205304] Call Trace: [ 139.207904] dump_stack+0x194/0x24d [ 139.211548] ? arch_local_irq_restore+0x53/0x53 [ 139.216228] ? percpu_ref_put_many+0x132/0x220 [ 139.220815] ? memcg_kmem_charge_memcg+0x74/0x110 [ 139.225669] ? percpu_ref_tryget_live+0x2f0/0x2f0 [ 139.230508] should_fail+0x8c0/0xa40 [ 139.234214] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 139.239320] ? find_held_lock+0x35/0x1d0 [ 139.243369] ? __lock_is_held+0xb6/0x140 [ 139.247446] ? check_same_owner+0x320/0x320 [ 139.251766] ? rcu_note_context_switch+0x710/0x710 [ 139.256690] ? khugepaged+0x14f0/0x14f0 [ 139.260659] should_failslab+0xec/0x120 [ 139.264618] kmem_cache_alloc+0x47/0x760 [ 139.268673] ptlock_alloc+0x24/0x70 [ 139.272283] pte_alloc_one+0x59/0x100 [ 139.276070] do_huge_pmd_anonymous_page+0x549/0x19e0 [ 139.281172] ? filemap_map_pages+0x919/0x15d0 [ 139.285661] ? __thp_get_unmapped_area+0x130/0x130 [ 139.290581] ? __lock_acquire+0x664/0x3e00 [ 139.294802] ? __lock_acquire+0x664/0x3e00 [ 139.299021] ? __lock_is_held+0xb6/0x140 [ 139.303093] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 139.308268] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 139.313458] ? __lock_acquire+0x664/0x3e00 [ 139.317685] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 139.323225] ? __lock_acquire+0x664/0x3e00 [ 139.327443] ? environ_open+0x80/0x80 [ 139.331244] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 139.336423] __handle_mm_fault+0x178a/0x38c0 [ 139.340829] ? __pmd_alloc+0x4e0/0x4e0 [ 139.344714] ? trace_hardirqs_off+0x10/0x10 [ 139.349035] ? trace_hardirqs_off+0x10/0x10 [ 139.353343] ? __fdget_pos+0x12b/0x190 [ 139.357220] ? find_held_lock+0x35/0x1d0 [ 139.361276] ? handle_mm_fault+0x35b/0xb10 [ 139.365502] ? lock_downgrade+0x980/0x980 [ 139.369642] ? handle_mm_fault+0x2f8/0xb10 [ 139.373863] handle_mm_fault+0x44a/0xb10 [ 139.377914] ? check_same_owner+0x320/0x320 [ 139.382226] ? __handle_mm_fault+0x38c0/0x38c0 [ 139.388451] ? vmacache_find+0x5f/0x280 [ 139.392406] ? vmacache_update+0xfe/0x130 [ 139.399579] ? find_vma+0x30/0x150 [ 139.403104] __do_page_fault+0x560/0xbe0 [ 139.407156] ? mm_fault_error+0x2c0/0x2c0 [ 139.411298] ? __lock_is_held+0xb6/0x140 [ 139.415346] ? __f_unlock_pos+0x19/0x20 [ 139.419306] ? trace_hardirqs_off+0x10/0x10 [ 139.423615] do_page_fault+0xee/0x730 [ 139.427403] ? vmalloc_sync_all+0x30/0x30 [ 139.431537] ? find_held_lock+0x35/0x1d0 [ 139.435588] ? __might_fault+0x110/0x1d0 [ 139.439656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 139.444517] page_fault+0x25/0x50 [ 139.447970] RIP: 0010:__put_user_4+0x1c/0x30 [ 139.452361] RSP: 0018:ffff8801d4ebfd08 EFLAGS: 00010293 [ 139.457709] RAX: 0000000000000014 RBX: 00007fffffffeffd RCX: 0000000020000040 [ 139.464979] RDX: 000000000000004e RSI: ffffc900068de000 RDI: 0000000000000282 [ 139.472230] RBP: ffff8801d4ebfe00 R08: 0000000000000000 R09: 1ffff1003a9d7f7e [ 139.479497] R10: ffff8801d4ebfbb8 R11: 0000000000000000 R12: 1ffff1003a9d7fa7 [ 139.486748] R13: 0000000000000014 R14: 0000000000000001 R15: 0000000000000015 [ 139.494368] ? SyS_socketpair+0xfd/0x6f0 [ 139.498591] ? SyS_socket+0x1d0/0x1d0 [ 139.502383] ? SyS_write+0x184/0x220 [ 139.506083] ? SyS_read+0x220/0x220 [ 139.509714] ? do_syscall_64+0xb7/0x940 [ 139.513683] ? SyS_socket+0x1d0/0x1d0 [ 139.518083] do_syscall_64+0x281/0x940 [ 139.521958] ? vmalloc_sync_all+0x30/0x30 [ 139.526092] ? _raw_spin_unlock_irq+0x27/0x70 [ 139.530579] ? finish_task_switch+0x1c1/0x7e0 [ 139.535059] ? syscall_return_slowpath+0x550/0x550 [ 139.539981] ? syscall_return_slowpath+0x2ac/0x550 [ 139.545002] ? prepare_exit_to_usermode+0x350/0x350 [ 139.550014] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 139.555380] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 139.560211] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 139.565382] RIP: 0033:0x454e79 [ 139.568556] RSP: 002b:00007fb7fa042c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 2018/04/01 11:59:08 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 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) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000180)={&(0x7f00000000c0)='./file0/bus/file0/file0\x00', 0x0, 0x18}, 0x10) mount(&(0x7f0000000080)='./file0/bus/file0/file0\x00', &(0x7f00000001c0)='./file0/bus\x00', &(0x7f0000000200)='configfs\x00', 0x0, &(0x7f0000000240)) 2018/04/01 11:59:08 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000389000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000180)={&(0x7f00000000c0)='./file0/bus/file0/file0\x00', 0x0, 0x18}, 0x10) mount(&(0x7f0000000080)='./file0/bus/file0/file0\x00', &(0x7f00000001c0)='./file0/bus\x00', &(0x7f0000000200)='configfs\x00', 0x0, &(0x7f0000000240)) [ 139.576248] RAX: ffffffffffffffda RBX: 00007fb7fa0436d4 RCX: 0000000000454e79 [ 139.583500] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000002b [ 139.590751] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 139.598004] R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000013 [ 139.605260] R13: 000000000000063f R14: 00000000006fb688 R15: 0000000000000003 2018/04/01 11:59:08 executing program 4: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:08 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)) recvmsg$kcm(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000380)=@vsock, 0x80, &(0x7f0000000580)=[{&(0x7f0000000480)=""/217, 0xd9}], 0x1, &(0x7f0000000840)=""/224, 0xe0}, 0x40010142) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:09 executing program 5: socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000000)) mkdir(&(0x7f00000000c0)='./file0/', 0x0) r0 = socket$kcm(0x29, 0x5, 0x0) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000001340)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000001380)={r1}) 2018/04/01 11:59:09 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 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) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000180)={&(0x7f00000000c0)='./file0/bus/file0/file0\x00', 0x0, 0x18}, 0x10) mount(&(0x7f0000000080)='./file0/bus/file0/file0\x00', &(0x7f00000001c0)='./file0/bus\x00', &(0x7f0000000200)='configfs\x00', 0x0, &(0x7f0000000240)) 2018/04/01 11:59:09 executing program 4: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:09 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000389000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000180)={&(0x7f00000000c0)='./file0/bus/file0/file0\x00', 0x0, 0x18}, 0x10) 2018/04/01 11:59:09 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 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) 2018/04/01 11:59:09 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)) recvmsg$kcm(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000380)=@vsock, 0x80, &(0x7f0000000580)=[{&(0x7f0000000480)=""/217, 0xd9}], 0x1, &(0x7f0000000840)=""/224, 0xe0}, 0x40010142) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:09 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r3, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r3, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r5}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r3, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) r6 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xf, 0xe, &(0x7f00000003c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0xa12, 0xf, 0xa, 0x0, 0x2, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0xc}, @alu={0x7, 0x10000, 0x7, 0xf, 0x5, 0xfffffffc, 0x4}, @alu={0x0, 0x4207acd2, 0x4, 0xf, 0x2, 0x3c, 0x1}, @jmp={0x5, 0x2, 0xb, 0xd, 0x9, 0xffffffff, 0x4}, @call={0x85, 0x0, 0x0, 0x2a}], &(0x7f0000000440)='syzkaller\x00', 0x1, 0x25, &(0x7f0000000480)=""/37, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000540)=r6, 0x4) r7 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000100)={0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000040)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r7, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) socketpair(0xf, 0x6, 0xb0d, &(0x7f00000005c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$kcm(r8, &(0x7f0000000bc0)={&(0x7f0000000600)=@can, 0x80, &(0x7f0000000ac0)=[{&(0x7f0000000680)=""/236, 0xec}, {&(0x7f0000000780)=""/198, 0xc6}, {&(0x7f0000000880)=""/87, 0x57}, {&(0x7f0000000900)=""/55, 0x37}, {&(0x7f0000000940)=""/215, 0xd7}, {&(0x7f0000000a40)=""/98, 0x62}], 0x6, &(0x7f0000000b40)=""/93, 0x5d, 0x9}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000d80)={r8, &(0x7f0000000c00)="eebfb8f7c86aa0deb11a9a66c212f5ba75e633b559e7c293bf776be6df27a0615c9bc9ccf8dacbd5501de4d4d91712ce1aad640ba7c0ee862d6612aec3e68221a150be1acdd1f6d36e3bad26a4c7b143dc07f07b682c277760e5b31796e299813772ee6787b8c00abd334b5344c7cd47b3cb186063fa004a68e735371f21c1250ab294b333153ec23d1571f554a4980be8bfd243e5784af23ba30734ac25db590c9f4600ec831f6accd0815d3bcc99c848dda8c8e3829b1022e9d9494a76cc0999280e7659364b606884e851be2d0ababb565d5009ea35a92b177d777a27f71a13d93d44fdd4f20db576119a150d8cab897706", &(0x7f0000000d00)="e92bf7846f190210202240b446362e8492634a916d2c73702970c4144afd36f6404a1a940266ace3e498154153df147c063afb675c444c99a81ef384d9d1ad2f7d71ca050a527a4a86bd24c2cdfc0935737d821a5623cd2b9b9497198251cc54e7bffff121e018dedac688eab2ed18ab54cb93a15a714bcc", 0x3}, 0x20) 2018/04/01 11:59:09 executing program 6 (fault-call:0 fault-nth:4): socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) [ 140.611634] FAULT_INJECTION: forcing a failure. [ 140.611634] name failslab, interval 1, probability 0, space 0, times 0 [ 140.622944] CPU: 1 PID: 11614 Comm: syz-executor6 Not tainted 4.16.0-rc6+ #43 [ 140.630215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.639562] Call Trace: [ 140.642145] dump_stack+0x194/0x24d [ 140.645761] ? arch_local_irq_restore+0x53/0x53 [ 140.650411] ? print_irqtrace_events+0x270/0x270 [ 140.655162] should_fail+0x8c0/0xa40 [ 140.658858] ? __pmd_alloc+0x4e0/0x4e0 [ 140.662727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 140.667808] ? trace_hardirqs_off+0x10/0x10 [ 140.672112] ? find_held_lock+0x35/0x1d0 [ 140.676151] ? __lock_acquire+0x664/0x3e00 [ 140.680364] ? find_held_lock+0x35/0x1d0 [ 140.684413] ? check_same_owner+0x320/0x320 [ 140.688714] ? handle_mm_fault+0x465/0xb10 [ 140.692931] ? rcu_note_context_switch+0x710/0x710 [ 140.697858] ? __handle_mm_fault+0x38c0/0x38c0 [ 140.702432] should_failslab+0xec/0x120 [ 140.706387] kmem_cache_alloc+0x47/0x760 [ 140.710444] ? __do_page_fault+0x358/0xbe0 [ 140.714662] sock_alloc_inode+0x70/0x300 [ 140.718701] ? sock_destroy_inode+0x70/0x70 [ 140.723029] ? trace_hardirqs_off+0x10/0x10 [ 140.727334] ? sock_destroy_inode+0x70/0x70 [ 140.731637] alloc_inode+0x65/0x180 [ 140.735245] new_inode_pseudo+0x69/0x190 [ 140.739285] ? prune_icache_sb+0x1a0/0x1a0 [ 140.743500] ? find_held_lock+0x35/0x1d0 [ 140.747721] sock_alloc+0x41/0x270 [ 140.751245] __sock_create+0x148/0x850 [ 140.755114] ? check_same_owner+0x320/0x320 [ 140.759678] ? kernel_sock_ip_overhead+0x4c0/0x4c0 [ 140.764594] ? retint_kernel+0x10/0x10 [ 140.769127] ? __might_sleep+0x95/0x190 [ 140.773088] SyS_socketpair+0x1c0/0x6f0 [ 140.777045] ? SyS_socket+0x1d0/0x1d0 [ 140.780826] ? SyS_write+0x184/0x220 [ 140.784544] ? SyS_read+0x220/0x220 [ 140.788170] ? do_syscall_64+0xb7/0x940 [ 140.792130] ? SyS_socket+0x1d0/0x1d0 [ 140.795916] do_syscall_64+0x281/0x940 [ 140.799783] ? vmalloc_sync_all+0x30/0x30 [ 140.803925] ? _raw_spin_unlock_irq+0x27/0x70 [ 140.808401] ? finish_task_switch+0x1c1/0x7e0 [ 140.812876] ? syscall_return_slowpath+0x550/0x550 [ 140.817788] ? syscall_return_slowpath+0x2ac/0x550 [ 140.822875] ? prepare_exit_to_usermode+0x350/0x350 [ 140.827873] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 140.834173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 140.838999] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 140.844167] RIP: 0033:0x454e79 [ 140.847333] RSP: 002b:00007fb7fa042c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 [ 140.855630] RAX: ffffffffffffffda RBX: 00007fb7fa0436d4 RCX: 0000000000454e79 [ 140.862883] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000002b [ 140.870170] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 140.877434] R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000013 [ 140.884689] R13: 000000000000063f R14: 00000000006fb688 R15: 0000000000000004 [ 140.892358] socket: no more sockets [ 140.904854] bpf_get_probe_write_proto: 2 callbacks suppressed 2018/04/01 11:59:09 executing program 4: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r3, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r3, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r5}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r3, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) r6 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xf, 0xe, &(0x7f00000003c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0xa12, 0xf, 0xa, 0x0, 0x2, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0xc}, @alu={0x7, 0x10000, 0x7, 0xf, 0x5, 0xfffffffc, 0x4}, @alu={0x0, 0x4207acd2, 0x4, 0xf, 0x2, 0x3c, 0x1}, @jmp={0x5, 0x2, 0xb, 0xd, 0x9, 0xffffffff, 0x4}, @call={0x85, 0x0, 0x0, 0x2a}], &(0x7f0000000440)='syzkaller\x00', 0x1, 0x25, &(0x7f0000000480)=""/37, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000540)=r6, 0x4) r7 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000100)={0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000040)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r7, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) socketpair(0xf, 0x6, 0xb0d, &(0x7f00000005c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$kcm(r8, &(0x7f0000000bc0)={&(0x7f0000000600)=@can, 0x80, &(0x7f0000000ac0)=[{&(0x7f0000000680)=""/236, 0xec}, {&(0x7f0000000780)=""/198, 0xc6}, {&(0x7f0000000880)=""/87, 0x57}, {&(0x7f0000000900)=""/55, 0x37}, {&(0x7f0000000940)=""/215, 0xd7}, {&(0x7f0000000a40)=""/98, 0x62}], 0x6, &(0x7f0000000b40)=""/93, 0x5d, 0x9}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000d80)={r8, &(0x7f0000000c00)="eebfb8f7c86aa0deb11a9a66c212f5ba75e633b559e7c293bf776be6df27a0615c9bc9ccf8dacbd5501de4d4d91712ce1aad640ba7c0ee862d6612aec3e68221a150be1acdd1f6d36e3bad26a4c7b143dc07f07b682c277760e5b31796e299813772ee6787b8c00abd334b5344c7cd47b3cb186063fa004a68e735371f21c1250ab294b333153ec23d1571f554a4980be8bfd243e5784af23ba30734ac25db590c9f4600ec831f6accd0815d3bcc99c848dda8c8e3829b1022e9d9494a76cc0999280e7659364b606884e851be2d0ababb565d5009ea35a92b177d777a27f71a13d93d44fdd4f20db576119a150d8cab897706", &(0x7f0000000d00)="e92bf7846f190210202240b446362e8492634a916d2c73702970c4144afd36f6404a1a940266ace3e498154153df147c063afb675c444c99a81ef384d9d1ad2f7d71ca050a527a4a86bd24c2cdfc0935737d821a5623cd2b9b9497198251cc54e7bffff121e018dedac688eab2ed18ab54cb93a15a714bcc", 0x3}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000fc0)={r8, &(0x7f0000000dc0)="805fcfc7206b2df79836e22fd1d0397a9db51aecad285076a5de25f0b60a8d100e170937a74621967cb8e314b71192381f9a178020032a37e5ef0b8cab2f9bef88bb6808507001b6f56fb00458545e8ef97d1fc7bfadb16354d774a14cb8a87f82daad3f5052bee2779d8e21e07334ce17a0d541f3e79f40d48335efdbb6ff70182d5c8a6b6bcc228a121d411e4b78199f4c084ddb6d22a4923907765abf00adb9731c5b5de2d63813c5f0dea26cf6ab768f4407419f6d27d66bb6328d39cf8694e5b9d430b2e42f55182da888b0704be6dde8304447420800ff7eaa6d4dc0448f8357d17a1a36f5c671198b88a22ad3953b6e1e674700", &(0x7f0000000ec0)="8a0a0c4150736d723288eab817b4f97d5de392acff17e3c69b0d34d3c72b1c7ec69df4dd94b6bb9b3e05d8067bfa4749141ad2165ad23f54ea1ff9b30f73480ddc9e962c4df32cba570c05e8a7bbea41a22257e0f0f669363c878069b46a01005e56e53c787520b3032fb37bf2c2ef2691ece597a05d408a6a9a808335cb09d4b34096568c980f2724401b42df6abfaaa053b64d16829938600b04524fee6832adfbf78b68c24522397517c435a36d04fabeefc718ec0b6874c97aab67cc0ce23fdd6e561d93edc58a69814b3f735f348be1c8cda2465b311e5dbf9aa89c0f27d98746ab99d193", 0x2}, 0x20) 2018/04/01 11:59:09 executing program 5: socketpair(0x5, 0xa, 0xba5b, &(0x7f0000000000)) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000140)) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000080)) socketpair$ax25(0x3, 0x3, 0xcf, &(0x7f0000000100)) [ 140.904861] syz-executor2[11612] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 140.918537] EXT4-fs: 2 callbacks suppressed [ 140.918544] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:09 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:09 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000389000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/04/01 11:59:09 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:09 executing program 6 (fault-call:0 fault-nth:5): socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) 2018/04/01 11:59:09 executing program 7: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)) recvmsg$kcm(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000380)=@vsock, 0x80, &(0x7f0000000580)=[{&(0x7f0000000480)=""/217, 0xd9}], 0x1, &(0x7f0000000840)=""/224, 0xe0}, 0x40010142) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:09 executing program 1: mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) [ 141.057162] syz-executor2[11639] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 141.061552] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:09 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:10 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000140)={&(0x7f0000000100)='./file0/', 0x0, 0x8}, 0x10) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000180)={&(0x7f0000000080)='./file0/', r0}, 0x10) r1 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f00000001c0)={0xffffffff, 0x90, 0x18}, 0xc) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000380)={r1, &(0x7f0000000200)="2a97c5e0c3b06ac50bb63b503be30b983a41c6d830b3c3d1997fd7f68a6540174c9d5dbdea1e7df4cc76fcf9fbbf35a40bdb773b8a747c4de3f59c8027cddb9084496c76e88e3f5c5a3eeeac721e1d292f3f8888f4e88441ea6363588758a11d769fce58a47634b2431949a542ca5fd15e3fbcf2775e82f570dd2194424aa24525b538ae8fd006a1a5616bdf3cda5f6a896fac49242c0cc3a5c8f8e7daa1d20c625ca8ce4af5272f0ea4bd8b6ec2ea8466a64948a3", &(0x7f00000002c0)=""/156}, 0x18) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0/', 0x0, 0x8}, 0x10) 2018/04/01 11:59:10 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:10 executing program 1: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)) recvmsg$kcm(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000380)=@vsock, 0x80, &(0x7f0000000580)=[{&(0x7f0000000480)=""/217, 0xd9}], 0x1, &(0x7f0000000840)=""/224, 0xe0}, 0x40010142) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 141.146290] syz-executor7[11650] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 141.147692] EXT4-fs (sda1): re-mounted. Opts: (null) [ 141.179399] FAULT_INJECTION: forcing a failure. [ 141.179399] name failslab, interval 1, probability 0, space 0, times 0 [ 141.190710] CPU: 0 PID: 11645 Comm: syz-executor6 Not tainted 4.16.0-rc6+ #43 [ 141.204846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.214208] Call Trace: [ 141.216804] dump_stack+0x194/0x24d [ 141.220506] ? arch_local_irq_restore+0x53/0x53 [ 141.225187] ? __save_stack_trace+0x7e/0xd0 [ 141.229528] should_fail+0x8c0/0xa40 [ 141.231050] syz-executor2[11660] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 141.233251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 141.233264] ? save_stack+0x43/0xd0 [ 141.233275] ? kasan_slab_alloc+0x12/0x20 [ 141.233284] ? kmem_cache_alloc+0x12e/0x760 [ 141.233292] ? sock_alloc_inode+0x70/0x300 [ 141.233303] ? alloc_inode+0x65/0x180 [ 141.253306] syz-executor1[11661] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 141.257062] ? new_inode_pseudo+0x69/0x190 [ 141.257071] ? sock_alloc+0x41/0x270 [ 141.257079] ? __sock_create+0x148/0x850 [ 141.257090] ? do_syscall_64+0x281/0x940 2018/04/01 11:59:10 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 141.257102] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 141.257116] ? find_held_lock+0x35/0x1d0 [ 141.257135] ? check_same_owner+0x320/0x320 [ 141.267261] EXT4-fs (sda1): re-mounted. Opts: (null) [ 141.269443] ? percpu_ref_put_many+0x132/0x220 [ 141.269458] ? rcu_note_context_switch+0x710/0x710 [ 141.269471] should_failslab+0xec/0x120 [ 141.269482] kmem_cache_alloc_trace+0x4b/0x740 [ 141.269492] ? kmem_cache_alloc+0x466/0x760 [ 141.282504] EXT4-fs (sda1): re-mounted. Opts: (null) [ 141.284809] ? __do_page_fault+0x358/0xbe0 [ 141.284827] sock_alloc_inode+0xb4/0x300 [ 141.284835] ? sock_destroy_inode+0x70/0x70 [ 141.284844] ? trace_hardirqs_off+0x10/0x10 [ 141.284854] ? sock_destroy_inode+0x70/0x70 [ 141.284864] alloc_inode+0x65/0x180 [ 141.284874] new_inode_pseudo+0x69/0x190 [ 141.371859] ? prune_icache_sb+0x1a0/0x1a0 [ 141.376094] ? find_held_lock+0x35/0x1d0 [ 141.380143] sock_alloc+0x41/0x270 [ 141.383670] __sock_create+0x148/0x850 [ 141.387549] ? check_same_owner+0x320/0x320 [ 141.391852] ? kernel_sock_ip_overhead+0x4c0/0x4c0 [ 141.396764] ? retint_kernel+0x10/0x10 [ 141.400632] ? __might_sleep+0x95/0x190 [ 141.404591] SyS_socketpair+0x1c0/0x6f0 [ 141.408542] ? SyS_socket+0x1d0/0x1d0 [ 141.412317] ? SyS_write+0x184/0x220 [ 141.416010] ? SyS_read+0x220/0x220 [ 141.419627] ? do_syscall_64+0xb7/0x940 [ 141.423594] ? SyS_socket+0x1d0/0x1d0 [ 141.427382] do_syscall_64+0x281/0x940 [ 141.431254] ? vmalloc_sync_all+0x30/0x30 [ 141.435383] ? _raw_spin_unlock_irq+0x27/0x70 [ 141.439858] ? finish_task_switch+0x1c1/0x7e0 [ 141.444339] ? syscall_return_slowpath+0x550/0x550 [ 141.449249] ? syscall_return_slowpath+0x2ac/0x550 [ 141.454182] ? prepare_exit_to_usermode+0x350/0x350 [ 141.459197] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 141.464548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 141.469380] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 141.474565] RIP: 0033:0x454e79 [ 141.477729] RSP: 002b:00007fb7fa042c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 [ 141.485521] RAX: ffffffffffffffda RBX: 00007fb7fa0436d4 RCX: 0000000000454e79 [ 141.492769] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000002b [ 141.500283] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 141.507541] R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000013 [ 141.514796] R13: 000000000000063f R14: 00000000006fb688 R15: 0000000000000005 [ 141.522168] socket: no more sockets [ 141.543304] syz-executor2[11667] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 141.543796] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:10 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r3, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r3, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r5}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r3, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) r6 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xf, 0xe, &(0x7f00000003c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0xa12, 0xf, 0xa, 0x0, 0x2, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0xc}, @alu={0x7, 0x10000, 0x7, 0xf, 0x5, 0xfffffffc, 0x4}, @alu={0x0, 0x4207acd2, 0x4, 0xf, 0x2, 0x3c, 0x1}, @jmp={0x5, 0x2, 0xb, 0xd, 0x9, 0xffffffff, 0x4}, @call={0x85, 0x0, 0x0, 0x2a}], &(0x7f0000000440)='syzkaller\x00', 0x1, 0x25, &(0x7f0000000480)=""/37, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000540)=r6, 0x4) r7 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000100)={0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000040)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r7, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) socketpair(0xf, 0x6, 0xb0d, &(0x7f00000005c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$kcm(r8, &(0x7f0000000bc0)={&(0x7f0000000600)=@can, 0x80, &(0x7f0000000ac0)=[{&(0x7f0000000680)=""/236, 0xec}, {&(0x7f0000000780)=""/198, 0xc6}, {&(0x7f0000000880)=""/87, 0x57}, {&(0x7f0000000900)=""/55, 0x37}, {&(0x7f0000000940)=""/215, 0xd7}, {&(0x7f0000000a40)=""/98, 0x62}], 0x6, &(0x7f0000000b40)=""/93, 0x5d, 0x9}, 0x20) 2018/04/01 11:59:10 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:10 executing program 1: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)) recvmsg$kcm(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000380)=@vsock, 0x80, &(0x7f0000000580)=[{&(0x7f0000000480)=""/217, 0xd9}], 0x1, &(0x7f0000000840)=""/224, 0xe0}, 0x40010142) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:10 executing program 7: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)) recvmsg$kcm(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000380)=@vsock, 0x80, &(0x7f0000000580)=[{&(0x7f0000000480)=""/217, 0xd9}], 0x1, &(0x7f0000000840)=""/224, 0xe0}, 0x40010142) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:10 executing program 6 (fault-call:0 fault-nth:6): socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) 2018/04/01 11:59:10 executing program 5: socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000280)={0xffffffffffffffff}) sendmsg(r0, &(0x7f00000006c0)={&(0x7f00000002c0)=@pppol2tpv3in6={0x18, 0x1, {0x0, r1, 0x3, 0x3, 0x3, 0x0, {0xa, 0x4e21, 0x3, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, 0x1}}}, 0x80, &(0x7f0000000440)=[{&(0x7f0000000340)="f617ab02e956164d12774206819458217be8ab1caa137e627c815f91b82c1032df31de6821b4e4065bfc0c2cd5bdd221434e7083fac972d3f50ab3e31c5c6bab653516dd6f7af89013c02d60b1023b4f8ed983804ede101af895f660178deaff3bbf44bd473720d66f33a7b6d6dfd41d60c26425534a6073fdcadb88036c7d7cdbf9dc31be8bc9bad4e534a8b52ed6cfa03f698750368d606d1f7b4703b4", 0x9e}, {&(0x7f0000000400)="c8231ffc3841529bac9c3ac5e0fc34a2ffd128039e2bc22729be4d5ac12d475563fc5a499cfe5c5f9df15b", 0x2b}], 0x2, &(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0x208, 0x1}, 0x20048000) mkdir(&(0x7f0000000000)='./file0//file0\x00', 0x4) 2018/04/01 11:59:10 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:10 executing program 4: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r3, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r3, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r5}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r3, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) r6 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xf, 0xe, &(0x7f00000003c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0xa12, 0xf, 0xa, 0x0, 0x2, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0xc}, @alu={0x7, 0x10000, 0x7, 0xf, 0x5, 0xfffffffc, 0x4}, @alu={0x0, 0x4207acd2, 0x4, 0xf, 0x2, 0x3c, 0x1}, @jmp={0x5, 0x2, 0xb, 0xd, 0x9, 0xffffffff, 0x4}, @call={0x85, 0x0, 0x0, 0x2a}], &(0x7f0000000440)='syzkaller\x00', 0x1, 0x25, &(0x7f0000000480)=""/37, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000540)=r6, 0x4) r7 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000100)={0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000040)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r7, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) socketpair(0xf, 0x6, 0xb0d, &(0x7f00000005c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$kcm(r8, &(0x7f0000000bc0)={&(0x7f0000000600)=@can, 0x80, &(0x7f0000000ac0)=[{&(0x7f0000000680)=""/236, 0xec}, {&(0x7f0000000780)=""/198, 0xc6}, {&(0x7f0000000880)=""/87, 0x57}, {&(0x7f0000000900)=""/55, 0x37}, {&(0x7f0000000940)=""/215, 0xd7}, {&(0x7f0000000a40)=""/98, 0x62}], 0x6, &(0x7f0000000b40)=""/93, 0x5d, 0x9}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000d80)={r8, &(0x7f0000000c00)="eebfb8f7c86aa0deb11a9a66c212f5ba75e633b559e7c293bf776be6df27a0615c9bc9ccf8dacbd5501de4d4d91712ce1aad640ba7c0ee862d6612aec3e68221a150be1acdd1f6d36e3bad26a4c7b143dc07f07b682c277760e5b31796e299813772ee6787b8c00abd334b5344c7cd47b3cb186063fa004a68e735371f21c1250ab294b333153ec23d1571f554a4980be8bfd243e5784af23ba30734ac25db590c9f4600ec831f6accd0815d3bcc99c848dda8c8e3829b1022e9d9494a76cc0999280e7659364b606884e851be2d0ababb565d5009ea35a92b177d777a27f71a13d93d44fdd4f20db576119a150d8cab897706", &(0x7f0000000d00)="e92bf7846f190210202240b446362e8492634a916d2c73702970c4144afd36f6404a1a940266ace3e498154153df147c063afb675c444c99a81ef384d9d1ad2f7d71ca050a527a4a86bd24c2cdfc0935737d821a5623cd2b9b9497198251cc54e7bffff121e018dedac688eab2ed18ab54cb93a15a714bcc", 0x3}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000fc0)={r8, &(0x7f0000000dc0)="805fcfc7206b2df79836e22fd1d0397a9db51aecad285076a5de25f0b60a8d100e170937a74621967cb8e314b71192381f9a178020032a37e5ef0b8cab2f9bef88bb6808507001b6f56fb00458545e8ef97d1fc7bfadb16354d774a14cb8a87f82daad3f5052bee2779d8e21e07334ce17a0d541f3e79f40d48335efdbb6ff70182d5c8a6b6bcc228a121d411e4b78199f4c084ddb6d22a4923907765abf00adb9731c5b5de2d63813c5f0dea26cf6ab768f4407419f6d27d66bb6328d39cf8694e5b9d430b2e42f55182da888b0704be6dde8304447420800ff7eaa6d4dc0448f8357d17a1a36f5c671198b88a22ad3953b6e1e674700", &(0x7f0000000ec0)="8a0a0c4150736d723288eab817b4f97d5de392acff17e3c69b0d34d3c72b1c7ec69df4dd94b6bb9b3e05d8067bfa4749141ad2165ad23f54ea1ff9b30f73480ddc9e962c4df32cba570c05e8a7bbea41a22257e0f0f669363c878069b46a01005e56e53c787520b3032fb37bf2c2ef2691ece597a05d408a6a9a808335cb09d4b34096568c980f2724401b42df6abfaaa053b64d16829938600b04524fee6832adfbf78b68c24522397517c435a36d04fabeefc718ec0b6874c97aab67cc0ce23fdd6e561d93edc58a69814b3f735f348be1c8cda2465b311e5dbf9aa89c0f27d98746ab99d193", 0x2}, 0x20) 2018/04/01 11:59:10 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000140)={0x0, 0x800, 0x18}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000001c0)={r0, 0x28, &(0x7f0000000180)}, 0x10) mount(&(0x7f0000000000)='./file0/', &(0x7f0000000040)='./file0/', &(0x7f0000000080)='ntfs\x00', 0x2000, 0x0) socketpair(0x5, 0x806, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_REFRESH(r1, 0x2402, 0x4) [ 141.925431] FAULT_INJECTION: forcing a failure. [ 141.925431] name failslab, interval 1, probability 0, space 0, times 0 [ 141.931873] syz-executor2[11680] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 141.936751] CPU: 0 PID: 11679 Comm: syz-executor6 Not tainted 4.16.0-rc6+ #43 [ 141.955612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.964963] Call Trace: [ 141.967558] dump_stack+0x194/0x24d [ 141.971191] ? arch_local_irq_restore+0x53/0x53 2018/04/01 11:59:10 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 141.975867] ? __lock_acquire+0x664/0x3e00 [ 141.980112] should_fail+0x8c0/0xa40 [ 141.983837] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 141.988951] ? print_irqtrace_events+0x270/0x270 [ 141.993720] ? is_bpf_text_address+0x7b/0x120 [ 141.998224] ? lock_downgrade+0x980/0x980 [ 142.002381] ? find_held_lock+0x35/0x1d0 [ 142.002945] syz-executor7[11683] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 142.006978] ? check_same_owner+0x320/0x320 2018/04/01 11:59:10 executing program 5: mkdir(&(0x7f0000000000)='./file0/', 0x0) 2018/04/01 11:59:10 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000389000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000180)={&(0x7f00000000c0)='./file0/bus/file0/file0\x00', 0x0, 0x18}, 0x10) mount(&(0x7f0000000080)='./file0/bus/file0/file0\x00', &(0x7f00000001c0)='./file0/bus\x00', &(0x7f0000000200)='configfs\x00', 0x0, &(0x7f0000000240)) [ 142.007000] ? rcu_note_context_switch+0x710/0x710 [ 142.007016] should_failslab+0xec/0x120 [ 142.007029] kmem_cache_alloc+0x47/0x760 [ 142.007045] sk_prot_alloc+0x65/0x2a0 [ 142.007057] sk_alloc+0x105/0x1440 [ 142.007069] ? sock_def_error_report+0x5e0/0x5e0 [ 142.007080] ? __raw_spin_lock_init+0x2d/0x100 [ 142.051825] ? __init_rwsem+0x12a/0x280 [ 142.055801] ? do_raw_write_unlock+0x290/0x290 [ 142.060378] ? trace_hardirqs_off+0x10/0x10 [ 142.064698] ? __raw_spin_lock_init+0x1c/0x100 [ 142.069288] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 142.074307] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 142.079325] ? __lockdep_init_map+0xe4/0x650 [ 142.083735] ? find_held_lock+0x35/0x1d0 [ 142.087794] ? trace_hardirqs_off+0x10/0x10 [ 142.092119] ? new_inode_pseudo+0xbd/0x190 [ 142.096353] ? lock_downgrade+0x980/0x980 [ 142.100501] ? find_held_lock+0x35/0x1d0 [ 142.104559] smc_sock_alloc+0xc0/0x410 [ 142.108442] ? smc_bind+0x280/0x280 [ 142.112063] ? lock_release+0xa40/0xa40 [ 142.116035] ? __lock_is_held+0xb6/0x140 [ 142.120098] smc_create+0xbd/0x320 [ 142.121998] syz-executor2[11708] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 142.123630] __sock_create+0x4d4/0x850 [ 142.123644] ? kernel_sock_ip_overhead+0x4c0/0x4c0 [ 142.123654] ? retint_kernel+0x10/0x10 [ 142.123665] ? __might_sleep+0x95/0x190 [ 142.123677] SyS_socketpair+0x1c0/0x6f0 [ 142.137894] syz-executor1[11685] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 142.138545] ? SyS_socket+0x1d0/0x1d0 [ 142.138554] ? SyS_write+0x184/0x220 [ 142.138563] ? SyS_read+0x220/0x220 [ 142.138574] ? do_syscall_64+0xb7/0x940 [ 142.138583] ? SyS_socket+0x1d0/0x1d0 [ 142.151008] EXT4-fs (sda1): re-mounted. Opts: (null) [ 142.151323] do_syscall_64+0x281/0x940 [ 142.193938] ? vmalloc_sync_all+0x30/0x30 [ 142.198072] ? _raw_spin_unlock_irq+0x27/0x70 [ 142.202551] ? finish_task_switch+0x1c1/0x7e0 [ 142.207032] ? syscall_return_slowpath+0x550/0x550 [ 142.211942] ? syscall_return_slowpath+0x2ac/0x550 [ 142.216853] ? prepare_exit_to_usermode+0x350/0x350 [ 142.221853] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 142.227206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 142.232045] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 142.237220] RIP: 0033:0x454e79 [ 142.240393] RSP: 002b:00007fb7fa042c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 [ 142.248087] RAX: ffffffffffffffda RBX: 00007fb7fa0436d4 RCX: 0000000000454e79 [ 142.255340] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000002b [ 142.263810] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/01 11:59:11 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair(0xa, 0x80807, 0x800000000000, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000080)={&(0x7f0000000000)='./file0/', r0}, 0x10) 2018/04/01 11:59:11 executing program 2: mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 142.271074] R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000013 [ 142.278334] R13: 000000000000063f R14: 00000000006fb688 R15: 0000000000000006 [ 142.288439] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:11 executing program 1 (fault-call:0 fault-nth:0): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) [ 142.341639] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:11 executing program 2: mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 142.368092] FAULT_INJECTION: forcing a failure. [ 142.368092] name failslab, interval 1, probability 0, space 0, times 0 [ 142.379448] CPU: 1 PID: 11717 Comm: syz-executor1 Not tainted 4.16.0-rc6+ #43 [ 142.386734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.396088] Call Trace: [ 142.398667] dump_stack+0x194/0x24d [ 142.402456] ? arch_local_irq_restore+0x53/0x53 [ 142.407109] ? trace_hardirqs_off+0x10/0x10 [ 142.411422] should_fail+0x8c0/0xa40 [ 142.415118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 142.420217] ? find_held_lock+0x35/0x1d0 [ 142.424290] ? check_same_owner+0x320/0x320 [ 142.428600] ? vfs_write+0x374/0x510 [ 142.432308] ? rcu_note_context_switch+0x710/0x710 [ 142.437233] should_failslab+0xec/0x120 [ 142.441198] kmem_cache_alloc+0x47/0x760 [ 142.445253] getname_flags+0xcb/0x580 [ 142.449045] SyS_mkdir+0xc1/0x2a0 [ 142.452487] ? SyS_mkdirat+0x2b0/0x2b0 [ 142.456361] ? do_syscall_64+0xb7/0x940 [ 142.460334] ? SyS_mkdirat+0x2b0/0x2b0 [ 142.464208] do_syscall_64+0x281/0x940 [ 142.468076] ? vmalloc_sync_all+0x30/0x30 [ 142.472207] ? _raw_spin_unlock_irq+0x27/0x70 [ 142.476691] ? finish_task_switch+0x1c1/0x7e0 [ 142.481172] ? syscall_return_slowpath+0x550/0x550 [ 142.486082] ? syscall_return_slowpath+0x2ac/0x550 [ 142.490996] ? prepare_exit_to_usermode+0x350/0x350 [ 142.496294] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 142.501819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 142.506654] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 142.511830] RIP: 0033:0x454e79 [ 142.515003] RSP: 002b:00007fb9818eac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 142.522705] RAX: ffffffffffffffda RBX: 00007fb9818eb6d4 RCX: 0000000000454e79 [ 142.529960] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 142.537215] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 142.544469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 142.551908] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000000 [ 142.600654] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:11 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r3, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r3, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r5}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r3, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) r6 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xf, 0xe, &(0x7f00000003c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0xa12, 0xf, 0xa, 0x0, 0x2, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0xc}, @alu={0x7, 0x10000, 0x7, 0xf, 0x5, 0xfffffffc, 0x4}, @alu={0x0, 0x4207acd2, 0x4, 0xf, 0x2, 0x3c, 0x1}, @jmp={0x5, 0x2, 0xb, 0xd, 0x9, 0xffffffff, 0x4}, @call={0x85, 0x0, 0x0, 0x2a}], &(0x7f0000000440)='syzkaller\x00', 0x1, 0x25, &(0x7f0000000480)=""/37, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000540)=r6, 0x4) r7 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000100)={0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000040)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r7, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) socketpair(0xf, 0x6, 0xb0d, &(0x7f00000005c0)) 2018/04/01 11:59:11 executing program 7 (fault-call:1 fault-nth:0): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:11 executing program 0 (fault-call:0 fault-nth:0): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:11 executing program 6 (fault-call:0 fault-nth:7): socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) 2018/04/01 11:59:11 executing program 1 (fault-call:0 fault-nth:1): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:11 executing program 2: mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:11 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) 2018/04/01 11:59:11 executing program 4: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r3, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r3, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r5}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r3, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) r6 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xf, 0xe, &(0x7f00000003c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0xa12, 0xf, 0xa, 0x0, 0x2, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0xc}, @alu={0x7, 0x10000, 0x7, 0xf, 0x5, 0xfffffffc, 0x4}, @alu={0x0, 0x4207acd2, 0x4, 0xf, 0x2, 0x3c, 0x1}, @jmp={0x5, 0x2, 0xb, 0xd, 0x9, 0xffffffff, 0x4}, @call={0x85, 0x0, 0x0, 0x2a}], &(0x7f0000000440)='syzkaller\x00', 0x1, 0x25, &(0x7f0000000480)=""/37, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000540)=r6, 0x4) r7 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000100)={0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000040)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r7, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) socketpair(0xf, 0x6, 0xb0d, &(0x7f00000005c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$kcm(r8, &(0x7f0000000bc0)={&(0x7f0000000600)=@can, 0x80, &(0x7f0000000ac0)=[{&(0x7f0000000680)=""/236, 0xec}, {&(0x7f0000000780)=""/198, 0xc6}, {&(0x7f0000000880)=""/87, 0x57}, {&(0x7f0000000900)=""/55, 0x37}, {&(0x7f0000000940)=""/215, 0xd7}, {&(0x7f0000000a40)=""/98, 0x62}], 0x6, &(0x7f0000000b40)=""/93, 0x5d, 0x9}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000d80)={r8, &(0x7f0000000c00)="eebfb8f7c86aa0deb11a9a66c212f5ba75e633b559e7c293bf776be6df27a0615c9bc9ccf8dacbd5501de4d4d91712ce1aad640ba7c0ee862d6612aec3e68221a150be1acdd1f6d36e3bad26a4c7b143dc07f07b682c277760e5b31796e299813772ee6787b8c00abd334b5344c7cd47b3cb186063fa004a68e735371f21c1250ab294b333153ec23d1571f554a4980be8bfd243e5784af23ba30734ac25db590c9f4600ec831f6accd0815d3bcc99c848dda8c8e3829b1022e9d9494a76cc0999280e7659364b606884e851be2d0ababb565d5009ea35a92b177d777a27f71a13d93d44fdd4f20db576119a150d8cab897706", &(0x7f0000000d00)="e92bf7846f190210202240b446362e8492634a916d2c73702970c4144afd36f6404a1a940266ace3e498154153df147c063afb675c444c99a81ef384d9d1ad2f7d71ca050a527a4a86bd24c2cdfc0935737d821a5623cd2b9b9497198251cc54e7bffff121e018dedac688eab2ed18ab54cb93a15a714bcc", 0x3}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000fc0)={r8, &(0x7f0000000dc0)="805fcfc7206b2df79836e22fd1d0397a9db51aecad285076a5de25f0b60a8d100e170937a74621967cb8e314b71192381f9a178020032a37e5ef0b8cab2f9bef88bb6808507001b6f56fb00458545e8ef97d1fc7bfadb16354d774a14cb8a87f82daad3f5052bee2779d8e21e07334ce17a0d541f3e79f40d48335efdbb6ff70182d5c8a6b6bcc228a121d411e4b78199f4c084ddb6d22a4923907765abf00adb9731c5b5de2d63813c5f0dea26cf6ab768f4407419f6d27d66bb6328d39cf8694e5b9d430b2e42f55182da888b0704be6dde8304447420800ff7eaa6d4dc0448f8357d17a1a36f5c671198b88a22ad3953b6e1e674700", &(0x7f0000000ec0)="8a0a0c4150736d723288eab817b4f97d5de392acff17e3c69b0d34d3c72b1c7ec69df4dd94b6bb9b3e05d8067bfa4749141ad2165ad23f54ea1ff9b30f73480ddc9e962c4df32cba570c05e8a7bbea41a22257e0f0f669363c878069b46a01005e56e53c787520b3032fb37bf2c2ef2691ece597a05d408a6a9a808335cb09d4b34096568c980f2724401b42df6abfaaa053b64d16829938600b04524fee6832adfbf78b68c24522397517c435a36d04fabeefc718ec0b6874c97aab67cc0ce23fdd6e561d93edc58a69814b3f735f348be1c8cda2465b311e5dbf9aa89c0f27d98746ab99d193", 0x2}, 0x20) [ 143.090362] FAULT_INJECTION: forcing a failure. [ 143.090362] name failslab, interval 1, probability 0, space 0, times 0 [ 143.101662] CPU: 1 PID: 11737 Comm: syz-executor7 Not tainted 4.16.0-rc6+ #43 [ 143.108939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.115999] FAULT_INJECTION: forcing a failure. [ 143.115999] name failslab, interval 1, probability 0, space 0, times 0 [ 143.118297] Call Trace: [ 143.118316] dump_stack+0x194/0x24d [ 143.118329] ? arch_local_irq_restore+0x53/0x53 [ 143.118346] should_fail+0x8c0/0xa40 [ 143.118357] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 143.118367] ? lock_downgrade+0x980/0x980 [ 143.118376] ? get_pid_task+0xbc/0x140 [ 143.118386] ? proc_fail_nth_write+0x9b/0x1d0 [ 143.118401] ? map_files_get_link+0x3a0/0x3a0 [ 143.166506] ? find_held_lock+0x35/0x1d0 [ 143.170653] ? check_same_owner+0x320/0x320 [ 143.175237] ? __lock_is_held+0xb6/0x140 [ 143.179285] ? rcu_note_context_switch+0x710/0x710 [ 143.184210] should_failslab+0xec/0x120 [ 143.188168] __kmalloc_track_caller+0x5f/0x760 [ 143.192733] ? strncpy_from_user+0x430/0x430 [ 143.197124] ? strndup_user+0x62/0xb0 [ 143.200909] memdup_user+0x2c/0x90 [ 143.204434] strndup_user+0x62/0xb0 [ 143.208046] SyS_mount+0x3c/0x120 [ 143.211480] ? copy_mnt_ns+0xb30/0xb30 [ 143.215357] do_syscall_64+0x281/0x940 [ 143.219229] ? vmalloc_sync_all+0x30/0x30 [ 143.223365] ? _raw_spin_unlock_irq+0x27/0x70 [ 143.227855] ? finish_task_switch+0x1c1/0x7e0 [ 143.232337] ? syscall_return_slowpath+0x550/0x550 [ 143.237251] ? syscall_return_slowpath+0x2ac/0x550 [ 143.242163] ? prepare_exit_to_usermode+0x350/0x350 [ 143.247166] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 143.252600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 143.257430] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 143.262601] RIP: 0033:0x454e79 [ 143.265773] RSP: 002b:00007f78998c2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 143.273476] RAX: ffffffffffffffda RBX: 00007f78998c36d4 RCX: 0000000000454e79 [ 143.280731] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 143.287986] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 143.295254] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 143.302510] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000000 [ 143.309779] CPU: 0 PID: 11748 Comm: syz-executor0 Not tainted 4.16.0-rc6+ #43 [ 143.317054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.319382] FAULT_INJECTION: forcing a failure. [ 143.319382] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 143.326589] Call Trace: [ 143.340962] dump_stack+0x194/0x24d [ 143.344580] ? arch_local_irq_restore+0x53/0x53 [ 143.349283] ? trace_hardirqs_off+0x10/0x10 [ 143.353597] should_fail+0x8c0/0xa40 [ 143.357295] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 143.362393] ? __f_unlock_pos+0x19/0x20 [ 143.366355] ? find_held_lock+0x35/0x1d0 [ 143.370412] ? check_same_owner+0x320/0x320 [ 143.374713] ? vfs_write+0x374/0x510 [ 143.378409] ? rcu_note_context_switch+0x710/0x710 [ 143.383326] should_failslab+0xec/0x120 [ 143.387286] kmem_cache_alloc+0x47/0x760 [ 143.391335] getname_flags+0xcb/0x580 [ 143.395122] SyS_mkdir+0xc1/0x2a0 [ 143.398744] ? SyS_mkdirat+0x2b0/0x2b0 [ 143.402618] ? do_syscall_64+0xb7/0x940 [ 143.406673] ? SyS_mkdirat+0x2b0/0x2b0 [ 143.410553] do_syscall_64+0x281/0x940 [ 143.414428] ? vmalloc_sync_all+0x30/0x30 [ 143.418559] ? _raw_spin_unlock_irq+0x27/0x70 [ 143.423038] ? finish_task_switch+0x1c1/0x7e0 [ 143.427516] ? syscall_return_slowpath+0x550/0x550 [ 143.432449] ? syscall_return_slowpath+0x2ac/0x550 [ 143.437360] ? prepare_exit_to_usermode+0x350/0x350 [ 143.442379] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 143.447728] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 143.452558] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 143.457730] RIP: 0033:0x454e79 [ 143.460901] RSP: 002b:00007f2f51ed5c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 143.468594] RAX: ffffffffffffffda RBX: 00007f2f51ed66d4 RCX: 0000000000454e79 [ 143.475846] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 143.483451] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 143.490704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 143.497955] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000000 [ 143.505222] CPU: 1 PID: 11749 Comm: syz-executor1 Not tainted 4.16.0-rc6+ #43 [ 143.512488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.521840] Call Trace: [ 143.524420] dump_stack+0x194/0x24d [ 143.528044] ? arch_local_irq_restore+0x53/0x53 [ 143.532738] should_fail+0x8c0/0xa40 [ 143.536433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 143.541515] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 143.546892] ? find_held_lock+0x35/0x1d0 [ 143.550936] ? trace_hardirqs_off+0x10/0x10 [ 143.555245] ? _parse_integer+0xe9/0x140 [ 143.559722] ? trace_hardirqs_off+0x10/0x10 [ 143.564028] ? _parse_integer+0x140/0x140 [ 143.568153] ? check_same_owner+0x320/0x320 [ 143.572464] ? trace_hardirqs_off+0x10/0x10 [ 143.576766] ? get_pid_task+0x93/0x140 [ 143.580633] ? lock_downgrade+0x980/0x980 [ 143.584759] ? should_fail+0x23b/0xa40 [ 143.588629] __alloc_pages_nodemask+0x327/0xdd0 [ 143.593277] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 143.598271] ? __f_unlock_pos+0x19/0x20 [ 143.602225] ? find_held_lock+0x35/0x1d0 [ 143.606273] ? check_same_owner+0x320/0x320 [ 143.610571] ? vfs_write+0x374/0x510 [ 143.614268] cache_grow_begin+0x72/0x640 [ 143.618310] kmem_cache_alloc+0x400/0x760 [ 143.622456] getname_flags+0xcb/0x580 [ 143.626238] SyS_mkdir+0xc1/0x2a0 [ 143.629689] ? SyS_mkdirat+0x2b0/0x2b0 [ 143.633555] ? do_syscall_64+0xb7/0x940 [ 143.637505] ? SyS_mkdirat+0x2b0/0x2b0 [ 143.641376] do_syscall_64+0x281/0x940 [ 143.645242] ? vmalloc_sync_all+0x30/0x30 [ 143.649368] ? _raw_spin_unlock_irq+0x27/0x70 [ 143.653841] ? finish_task_switch+0x1c1/0x7e0 [ 143.658313] ? syscall_return_slowpath+0x550/0x550 [ 143.663226] ? syscall_return_slowpath+0x2ac/0x550 [ 143.668132] ? prepare_exit_to_usermode+0x350/0x350 [ 143.673129] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 143.678469] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 143.683292] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 143.688457] RIP: 0033:0x454e79 [ 143.691624] RSP: 002b:00007fb9818eac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 143.699309] RAX: ffffffffffffffda RBX: 00007fb9818eb6d4 RCX: 0000000000454e79 [ 143.706555] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 143.713809] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 143.721060] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 143.728308] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000001 [ 143.746328] FAULT_INJECTION: forcing a failure. [ 143.746328] name failslab, interval 1, probability 0, space 0, times 0 [ 143.757655] CPU: 1 PID: 11750 Comm: syz-executor6 Not tainted 4.16.0-rc6+ #43 [ 143.764933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.774291] Call Trace: [ 143.776886] dump_stack+0x194/0x24d [ 143.780516] ? arch_local_irq_restore+0x53/0x53 [ 143.785184] ? __debug_object_init+0x235/0x1040 [ 143.789852] should_fail+0x8c0/0xa40 2018/04/01 11:59:12 executing program 0 (fault-call:0 fault-nth:1): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:12 executing program 1 (fault-call:0 fault-nth:2): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:12 executing program 7 (fault-call:1 fault-nth:1): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:12 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x28) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000000)) [ 143.793569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 143.798672] ? do_raw_spin_trylock+0x190/0x190 [ 143.803260] ? trace_hardirqs_off+0x10/0x10 [ 143.807581] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 143.812604] ? trace_hardirqs_on+0xd/0x10 [ 143.816759] ? find_held_lock+0x35/0x1d0 [ 143.820836] ? check_same_owner+0x320/0x320 [ 143.825163] ? trace_hardirqs_off+0x10/0x10 [ 143.829500] ? rcu_note_context_switch+0x710/0x710 [ 143.834435] should_failslab+0xec/0x120 [ 143.838417] kmem_cache_alloc+0x47/0x760 [ 143.842487] ? find_held_lock+0x35/0x1d0 2018/04/01 11:59:12 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00'}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 143.846556] sock_alloc_inode+0x70/0x300 [ 143.850718] ? sock_destroy_inode+0x70/0x70 [ 143.855076] ? lock_downgrade+0x980/0x980 [ 143.859240] ? lock_release+0xa40/0xa40 [ 143.863231] ? sock_destroy_inode+0x70/0x70 [ 143.867560] alloc_inode+0x65/0x180 [ 143.871191] new_inode_pseudo+0x69/0x190 [ 143.875253] ? prune_icache_sb+0x1a0/0x1a0 [ 143.879485] ? smc_hash_sk+0x204/0x2f0 [ 143.883375] ? trace_hardirqs_on+0xd/0x10 [ 143.887523] ? __local_bh_enable_ip+0x121/0x230 [ 143.892198] sock_alloc+0x41/0x270 2018/04/01 11:59:12 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0xfffffffffffffffe) gettid() r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0/', 0x0, 0x18}, 0x10) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000100)={r0, 0x28, &(0x7f0000000080)}, 0x10) [ 143.895738] __sock_create+0x148/0x850 [ 143.899631] ? kernel_sock_ip_overhead+0x4c0/0x4c0 [ 143.904558] ? smc_sock_alloc+0x349/0x410 [ 143.908709] ? smc_bind+0x280/0x280 [ 143.912347] ? lock_release+0xa40/0xa40 [ 143.916334] sock_create_kern+0x3f/0x50 [ 143.920317] smc_create+0x11c/0x320 [ 143.923956] __sock_create+0x4d4/0x850 [ 143.927844] ? kernel_sock_ip_overhead+0x4c0/0x4c0 [ 143.932773] ? retint_kernel+0x10/0x10 [ 143.936662] ? __might_sleep+0x95/0x190 [ 143.940643] SyS_socketpair+0x1c0/0x6f0 [ 143.944621] ? SyS_socket+0x1d0/0x1d0 [ 143.948423] ? SyS_write+0x184/0x220 [ 143.952153] ? SyS_read+0x220/0x220 [ 143.955784] ? do_syscall_64+0xb7/0x940 [ 143.959761] ? SyS_socket+0x1d0/0x1d0 [ 143.962482] FAULT_INJECTION: forcing a failure. [ 143.962482] name failslab, interval 1, probability 0, space 0, times 0 [ 143.963822] do_syscall_64+0x281/0x940 [ 143.963830] ? vmalloc_sync_all+0x30/0x30 [ 143.963843] ? _raw_spin_unlock_irq+0x27/0x70 [ 143.963856] ? finish_task_switch+0x1c1/0x7e0 [ 143.963867] ? syscall_return_slowpath+0x550/0x550 [ 143.963876] ? syscall_return_slowpath+0x2ac/0x550 [ 143.963887] ? prepare_exit_to_usermode+0x350/0x350 [ 143.963897] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 143.963909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 143.963921] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 143.963934] RIP: 0033:0x454e79 [ 144.025311] RSP: 002b:00007fb7fa042c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 [ 144.033030] RAX: ffffffffffffffda RBX: 00007fb7fa0436d4 RCX: 0000000000454e79 [ 144.040282] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000002b [ 144.047538] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 144.054793] R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000013 [ 144.062392] R13: 000000000000063f R14: 00000000006fb688 R15: 0000000000000007 [ 144.069687] CPU: 0 PID: 11769 Comm: syz-executor7 Not tainted 4.16.0-rc6+ #43 [ 144.069866] socket: no more sockets [ 144.077037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.077041] Call Trace: [ 144.077056] dump_stack+0x194/0x24d [ 144.077067] ? arch_local_irq_restore+0x53/0x53 [ 144.089802] FAULT_INJECTION: forcing a failure. [ 144.089802] name failslab, interval 1, probability 0, space 0, times 0 [ 144.090023] ? __save_stack_trace+0x7e/0xd0 [ 144.090042] should_fail+0x8c0/0xa40 [ 144.120052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 144.125141] ? kasan_kmalloc+0xad/0xe0 [ 144.129010] ? __kmalloc_track_caller+0x15e/0x760 [ 144.133843] ? memdup_user+0x2c/0x90 [ 144.137541] ? strndup_user+0x62/0xb0 [ 144.141326] ? SyS_mount+0x3c/0x120 [ 144.144941] ? retint_kernel+0x10/0x10 [ 144.148826] ? find_held_lock+0x35/0x1d0 [ 144.152887] ? check_same_owner+0x320/0x320 [ 144.157201] ? rcu_note_context_switch+0x710/0x710 [ 144.162126] ? __check_object_size+0x8b/0x530 [ 144.166619] should_failslab+0xec/0x120 [ 144.170586] __kmalloc_track_caller+0x5f/0x760 [ 144.175173] ? strncpy_from_user+0x430/0x430 [ 144.179568] ? strndup_user+0x62/0xb0 [ 144.183357] ? _copy_from_user+0x99/0x110 [ 144.187505] memdup_user+0x2c/0x90 [ 144.191035] strndup_user+0x62/0xb0 [ 144.194648] SyS_mount+0x6b/0x120 [ 144.198081] ? copy_mnt_ns+0xb30/0xb30 [ 144.201959] do_syscall_64+0x281/0x940 [ 144.205850] ? vmalloc_sync_all+0x30/0x30 [ 144.210002] ? _raw_spin_unlock_irq+0x27/0x70 [ 144.214488] ? finish_task_switch+0x1c1/0x7e0 [ 144.218972] ? syscall_return_slowpath+0x550/0x550 [ 144.223892] ? syscall_return_slowpath+0x2ac/0x550 [ 144.228813] ? prepare_exit_to_usermode+0x350/0x350 [ 144.233824] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 144.239177] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/04/01 11:59:13 executing program 5: socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000040)) mkdir(&(0x7f0000000000)='./file0//file0\x00', 0x0) [ 144.244010] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 144.249189] RIP: 0033:0x454e79 [ 144.252367] RSP: 002b:00007f78998c2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 144.260061] RAX: ffffffffffffffda RBX: 00007f78998c36d4 RCX: 0000000000454e79 [ 144.267316] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 144.274574] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 144.281833] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 144.289093] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000001 [ 144.296369] CPU: 1 PID: 11768 Comm: syz-executor1 Not tainted 4.16.0-rc6+ #43 [ 144.303456] FAULT_INJECTION: forcing a failure. [ 144.303456] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 144.303840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.324971] Call Trace: [ 144.327579] dump_stack+0x194/0x24d [ 144.331190] ? arch_local_irq_restore+0x53/0x53 [ 144.336195] should_fail+0x8c0/0xa40 [ 144.340067] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 144.345159] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 144.350334] ? __lock_acquire+0x664/0x3e00 [ 144.354558] ? find_held_lock+0x35/0x1d0 [ 144.358606] ? __lock_is_held+0xb6/0x140 [ 144.362671] ? check_same_owner+0x320/0x320 [ 144.366977] ? __d_lookup+0x4f4/0x830 [ 144.370768] ? rcu_note_context_switch+0x710/0x710 [ 144.375705] should_failslab+0xec/0x120 [ 144.379674] kmem_cache_alloc+0x47/0x760 [ 144.383726] __d_alloc+0xc1/0xbd0 [ 144.387162] ? shrink_dcache_for_umount+0x290/0x290 [ 144.392162] ? d_alloc_parallel+0x1b40/0x1b40 [ 144.396641] ? lock_release+0xa40/0xa40 [ 144.400601] ? mark_held_locks+0xaf/0x100 [ 144.404734] ? d_lookup+0x133/0x2e0 [ 144.408359] ? d_lookup+0x1d5/0x2e0 [ 144.411971] ? rcu_note_context_switch+0x710/0x710 [ 144.416886] d_alloc+0x8e/0x340 [ 144.420154] ? __d_alloc+0xbd0/0xbd0 [ 144.423852] ? down_write_nested+0x8b/0x120 [ 144.428171] __lookup_hash+0x58/0x190 [ 144.431952] filename_create+0x1c7/0x520 [ 144.435995] ? kern_path_mountpoint+0x40/0x40 [ 144.440474] ? getname_flags+0x256/0x580 [ 144.444528] SyS_mkdir+0xd4/0x2a0 [ 144.447966] ? SyS_mkdirat+0x2b0/0x2b0 [ 144.451841] ? do_syscall_64+0xb7/0x940 [ 144.455806] ? SyS_mkdirat+0x2b0/0x2b0 [ 144.459681] do_syscall_64+0x281/0x940 [ 144.463554] ? vmalloc_sync_all+0x30/0x30 [ 144.467688] ? _raw_spin_unlock_irq+0x27/0x70 [ 144.472187] ? finish_task_switch+0x1c1/0x7e0 [ 144.476671] ? syscall_return_slowpath+0x550/0x550 [ 144.481674] ? syscall_return_slowpath+0x2ac/0x550 [ 144.486591] ? prepare_exit_to_usermode+0x350/0x350 [ 144.491608] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 144.497567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 144.502419] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 144.507595] RIP: 0033:0x454e79 [ 144.510766] RSP: 002b:00007fb9818eac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 144.518457] RAX: ffffffffffffffda RBX: 00007fb9818eb6d4 RCX: 0000000000454e79 [ 144.525711] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 144.532966] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 144.540229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 144.547489] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000002 [ 144.554759] CPU: 0 PID: 11770 Comm: syz-executor0 Not tainted 4.16.0-rc6+ #43 [ 144.562065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.571442] Call Trace: [ 144.574047] dump_stack+0x194/0x24d [ 144.577679] ? arch_local_irq_restore+0x53/0x53 [ 144.582376] should_fail+0x8c0/0xa40 [ 144.586093] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 144.591199] ? debug_check_no_locks_freed+0x3c0/0x3c0 2018/04/01 11:59:13 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) [ 144.596389] ? find_held_lock+0x35/0x1d0 [ 144.600448] ? trace_hardirqs_off+0x10/0x10 [ 144.604766] ? _parse_integer+0xe9/0x140 [ 144.608844] ? trace_hardirqs_off+0x10/0x10 [ 144.613164] ? _parse_integer+0x140/0x140 [ 144.617305] ? check_same_owner+0x320/0x320 [ 144.621626] ? trace_hardirqs_off+0x10/0x10 [ 144.625945] ? get_pid_task+0x93/0x140 [ 144.629826] ? lock_downgrade+0x980/0x980 [ 144.633992] ? should_fail+0x23b/0xa40 [ 144.637884] __alloc_pages_nodemask+0x327/0xdd0 [ 144.642555] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 144.647572] ? __f_unlock_pos+0x19/0x20 [ 144.651552] ? find_held_lock+0x35/0x1d0 [ 144.655625] ? check_same_owner+0x320/0x320 [ 144.659941] ? vfs_write+0x374/0x510 [ 144.663656] cache_grow_begin+0x72/0x640 [ 144.667715] kmem_cache_alloc+0x400/0x760 [ 144.671868] getname_flags+0xcb/0x580 [ 144.675675] SyS_mkdir+0xc1/0x2a0 [ 144.679134] ? SyS_mkdirat+0x2b0/0x2b0 [ 144.683023] ? do_syscall_64+0xb7/0x940 [ 144.686994] ? SyS_mkdirat+0x2b0/0x2b0 [ 144.690882] do_syscall_64+0x281/0x940 [ 144.694773] ? vmalloc_sync_all+0x30/0x30 [ 144.698923] ? _raw_spin_unlock_irq+0x27/0x70 [ 144.703424] ? finish_task_switch+0x1c1/0x7e0 [ 144.707926] ? syscall_return_slowpath+0x550/0x550 [ 144.712866] ? syscall_return_slowpath+0x2ac/0x550 [ 144.717805] ? prepare_exit_to_usermode+0x350/0x350 [ 144.723002] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 144.728363] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 144.733190] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 144.738357] RIP: 0033:0x454e79 [ 144.741526] RSP: 002b:00007f2f51ed5c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 2018/04/01 11:59:13 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r3, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r3, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r5}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r3, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) r6 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xf, 0xe, &(0x7f00000003c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0xa12, 0xf, 0xa, 0x0, 0x2, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0xc}, @alu={0x7, 0x10000, 0x7, 0xf, 0x5, 0xfffffffc, 0x4}, @alu={0x0, 0x4207acd2, 0x4, 0xf, 0x2, 0x3c, 0x1}, @jmp={0x5, 0x2, 0xb, 0xd, 0x9, 0xffffffff, 0x4}, @call={0x85, 0x0, 0x0, 0x2a}], &(0x7f0000000440)='syzkaller\x00', 0x1, 0x25, &(0x7f0000000480)=""/37, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000540)=r6, 0x4) r7 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000100)={0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000040)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r7, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:13 executing program 0 (fault-call:0 fault-nth:2): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:13 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00'}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:13 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000000)) 2018/04/01 11:59:13 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000100)) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000080)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:13 executing program 7 (fault-call:1 fault-nth:2): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:13 executing program 4: mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:13 executing program 1 (fault-call:0 fault-nth:3): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) [ 144.749224] RAX: ffffffffffffffda RBX: 00007f2f51ed66d4 RCX: 0000000000454e79 [ 144.756734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 144.763979] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 144.771235] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 144.778919] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000001 [ 144.854449] FAULT_INJECTION: forcing a failure. [ 144.854449] name failslab, interval 1, probability 0, space 0, times 0 [ 144.855122] FAULT_INJECTION: forcing a failure. [ 144.855122] name failslab, interval 1, probability 0, space 0, times 0 [ 144.865796] CPU: 1 PID: 11794 Comm: syz-executor7 Not tainted 4.16.0-rc6+ #43 [ 144.884242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.894114] Call Trace: [ 144.896691] dump_stack+0x194/0x24d [ 144.900306] ? arch_local_irq_restore+0x53/0x53 [ 144.904965] should_fail+0x8c0/0xa40 [ 144.908665] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 144.913759] ? __kmalloc_track_caller+0x15e/0x760 [ 144.918589] ? strndup_user+0x62/0xb0 [ 144.922372] ? SyS_mount+0x6b/0x120 [ 144.925984] ? trace_hardirqs_off+0x10/0x10 [ 144.930292] ? proc_fail_nth_write+0x9b/0x1d0 [ 144.934777] ? map_files_get_link+0x3a0/0x3a0 [ 144.939262] ? find_held_lock+0x35/0x1d0 [ 144.943320] ? check_same_owner+0x320/0x320 [ 144.947623] ? lock_release+0xa40/0xa40 [ 144.951580] ? check_same_owner+0x320/0x320 [ 144.955886] ? rcu_note_context_switch+0x710/0x710 [ 144.960804] should_failslab+0xec/0x120 [ 144.964765] kmem_cache_alloc_trace+0x4b/0x740 [ 144.969333] ? kasan_check_write+0x14/0x20 [ 144.973554] ? _copy_from_user+0x99/0x110 [ 144.977692] copy_mount_options+0x5f/0x2e0 [ 144.981914] SyS_mount+0x87/0x120 [ 144.985349] ? copy_mnt_ns+0xb30/0xb30 [ 144.989222] do_syscall_64+0x281/0x940 [ 144.993099] ? vmalloc_sync_all+0x30/0x30 [ 144.997231] ? _raw_spin_unlock_irq+0x27/0x70 [ 145.001714] ? finish_task_switch+0x1c1/0x7e0 [ 145.006196] ? syscall_return_slowpath+0x550/0x550 [ 145.011109] ? syscall_return_slowpath+0x2ac/0x550 [ 145.016296] ? prepare_exit_to_usermode+0x350/0x350 [ 145.021300] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 145.026663] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 145.031514] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 145.036693] RIP: 0033:0x454e79 [ 145.039877] RSP: 002b:00007f78998c2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 145.047594] RAX: ffffffffffffffda RBX: 00007f78998c36d4 RCX: 0000000000454e79 [ 145.054940] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 145.062202] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 145.069462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 145.076719] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000002 [ 145.083995] CPU: 0 PID: 11789 Comm: syz-executor1 Not tainted 4.16.0-rc6+ #43 [ 145.091280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.100641] Call Trace: [ 145.103235] dump_stack+0x194/0x24d [ 145.106867] ? arch_local_irq_restore+0x53/0x53 [ 145.111540] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 145.116743] should_fail+0x8c0/0xa40 [ 145.120456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 145.125555] ? __find_get_block+0x721/0xd90 [ 145.125986] FAULT_INJECTION: forcing a failure. [ 145.125986] name failslab, interval 1, probability 0, space 0, times 0 [ 145.129912] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 145.129920] ? print_irqtrace_events+0x270/0x270 [ 145.129930] ? __brelse+0xda/0x130 [ 145.129940] ? trace_hardirqs_off+0x10/0x10 [ 145.129950] ? __lock_is_held+0xb6/0x140 [ 145.129967] ? check_same_owner+0x320/0x320 [ 145.129984] ? rcu_note_context_switch+0x710/0x710 [ 145.172211] should_failslab+0xec/0x120 [ 145.176174] kmem_cache_alloc+0x47/0x760 [ 145.180218] ? ext4_es_lookup_extent+0x3ea/0xce0 [ 145.184963] ? __might_sleep+0x95/0x190 [ 145.188924] ext4_alloc_inode+0xc1/0x7e0 [ 145.192969] ? ext4_drop_inode+0x390/0x390 [ 145.197192] ? find_held_lock+0x35/0x1d0 [ 145.201243] ? get_cached_acl+0x295/0x3b0 [ 145.205378] ? lock_downgrade+0x980/0x980 [ 145.209509] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 145.214691] ? lock_release+0xa40/0xa40 [ 145.218666] ? __lock_is_held+0xb6/0x140 [ 145.222712] ? trace_hardirqs_off+0x10/0x10 [ 145.227028] ? ext4_drop_inode+0x390/0x390 [ 145.231250] alloc_inode+0x65/0x180 [ 145.234858] new_inode_pseudo+0x69/0x190 [ 145.238901] ? prune_icache_sb+0x1a0/0x1a0 [ 145.243123] new_inode+0x1c/0x40 [ 145.246474] __ext4_new_inode+0x3a0/0x4e80 [ 145.250696] ? unwind_next_frame.part.6+0x1a6/0xb40 [ 145.255703] ? unwind_dump+0x4d0/0x4d0 [ 145.259587] ? rcutorture_record_progress+0x10/0x10 [ 145.264600] ? ext4_free_inode+0x1740/0x1740 [ 145.268998] ? __kernel_text_address+0xd/0x40 [ 145.273482] ? unwind_get_return_address+0x61/0xa0 [ 145.278393] ? __save_stack_trace+0x7e/0xd0 [ 145.282704] ? save_stack+0xa3/0xd0 [ 145.286318] ? save_stack+0x43/0xd0 [ 145.289927] ? __kasan_slab_free+0x11a/0x170 [ 145.294319] ? kasan_slab_free+0xe/0x10 [ 145.298275] ? kmem_cache_free+0x83/0x2a0 [ 145.302405] ? putname+0xee/0x130 [ 145.305839] ? filename_create+0x245/0x520 [ 145.310055] ? SyS_mkdir+0xd4/0x2a0 [ 145.313664] ? do_syscall_64+0x281/0x940 [ 145.317710] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 145.323063] ? _raw_spin_unlock_irqrestore+0xa6/0xc0 [ 145.328157] ? debug_check_no_obj_freed+0x3da/0xf1f [ 145.333160] ? d_alloc+0x269/0x340 [ 145.336688] ? __dquot_initialize+0x2d2/0xb70 [ 145.341169] ? trace_hardirqs_off+0x10/0x10 [ 145.345477] ? free_obj_work+0x690/0x690 [ 145.349525] ? mark_held_locks+0xaf/0x100 [ 145.353660] ? dquot_get_next_dqblk+0x160/0x160 [ 145.358318] ? __lock_is_held+0xb6/0x140 [ 145.362369] ext4_mkdir+0x395/0xcd0 [ 145.365982] ? putname+0xee/0x130 [ 145.369425] ? ext4_init_dot_dotdot+0x4d0/0x4d0 [ 145.374091] ? make_kprojid+0x30/0x30 [ 145.377874] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 145.382785] ? security_inode_permission+0xbb/0xf0 [ 145.387697] ? security_inode_mkdir+0xd0/0x110 [ 145.392269] vfs_mkdir+0x390/0x600 [ 145.395801] SyS_mkdir+0x220/0x2a0 [ 145.399332] ? SyS_mkdirat+0x2b0/0x2b0 [ 145.403207] ? do_syscall_64+0xb7/0x940 [ 145.407165] ? SyS_mkdirat+0x2b0/0x2b0 [ 145.411039] do_syscall_64+0x281/0x940 [ 145.414911] ? vmalloc_sync_all+0x30/0x30 [ 145.419043] ? _raw_spin_unlock_irq+0x27/0x70 [ 145.423525] ? finish_task_switch+0x1c1/0x7e0 [ 145.428005] ? syscall_return_slowpath+0x550/0x550 [ 145.432921] ? syscall_return_slowpath+0x2ac/0x550 [ 145.437835] ? prepare_exit_to_usermode+0x350/0x350 [ 145.442835] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 145.448188] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/04/01 11:59:14 executing program 4: mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 145.453022] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 145.458198] RIP: 0033:0x454e79 [ 145.461372] RSP: 002b:00007fb9818eac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 145.469064] RAX: ffffffffffffffda RBX: 00007fb9818eb6d4 RCX: 0000000000454e79 [ 145.476319] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 145.483572] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 145.490823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 145.498077] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000003 2018/04/01 11:59:14 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x80) 2018/04/01 11:59:14 executing program 1 (fault-call:0 fault-nth:4): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:14 executing program 5: socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg(r0, &(0x7f0000000440)={&(0x7f0000000040)=@pppoe={0x18, 0x0, {0x4, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}, 'sit0\x00'}}, 0x80, &(0x7f00000002c0)=[{&(0x7f0000000100)="5d4328bc8bfe49361ea502ef75cc7482fefcc0db3d79d5e3dd", 0x19}, {&(0x7f0000000140)="8b77e44979b8f73112c30be5878a567872095ecbaefcd9e61e25b53d037c8911b3a6f9129f5c53ecf70d8edaa5b9cf454a20887c6a8d3311ae445037e3a94e06c6fb908d7f78edf18f01a3e077018505da2b4ec52cd4480515f9492a64b40b99b57ebd0738b8a4592191215cce6bcbe809520beccde4d8e4d708013f86c8428d10bf4ae307d7ad5cb1259cbfef897f9d7751f315b9c05cb8398d307b75f3d319b2cd", 0xa2}, {&(0x7f0000000200)="6a76cb3dceb2249cdb7a6bd479d74b406bb02ab91e0f96e878da05a7edf1afa1b03aa6f76675a9177a61d353592ba69ffe3708727ac84db98ccd2ef341f1347d8214e34ecadb056a03637df548a8dcba605da7fa41b403a1485b020aa06bdcbce9bf356b61d7b3e7f47fc7ca3452ae145870d3cbe02c36a5efaafb7349d2145cc10c3ca746b2842e96d39ce2d71baecb2b79db3c2c76c77e49e0fc7e62b2ee9f4018cc673de0d4478b7c", 0xaa}], 0x3, &(0x7f0000000300)=[{0x110, 0x0, 0x4, "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"}], 0x110, 0x4004000}, 0x8d4) mkdir(&(0x7f00000000c0)='./file0/', 0x0) [ 145.505347] CPU: 1 PID: 11802 Comm: syz-executor0 Not tainted 4.16.0-rc6+ #43 [ 145.512619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.521974] Call Trace: [ 145.524567] dump_stack+0x194/0x24d [ 145.528206] ? arch_local_irq_restore+0x53/0x53 [ 145.532883] should_fail+0x8c0/0xa40 [ 145.536600] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 145.541704] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 145.546888] ? __lock_acquire+0x664/0x3e00 [ 145.551130] ? find_held_lock+0x35/0x1d0 [ 145.555194] ? __lock_is_held+0xb6/0x140 [ 145.559262] ? check_same_owner+0x320/0x320 [ 145.563579] ? __d_lookup+0x4f4/0x830 [ 145.565647] FAULT_INJECTION: forcing a failure. [ 145.565647] name failslab, interval 1, probability 0, space 0, times 0 [ 145.567375] ? rcu_note_context_switch+0x710/0x710 [ 145.567390] should_failslab+0xec/0x120 [ 145.567400] kmem_cache_alloc+0x47/0x760 [ 145.567416] __d_alloc+0xc1/0xbd0 [ 145.567427] ? shrink_dcache_for_umount+0x290/0x290 [ 145.567438] ? d_alloc_parallel+0x1b40/0x1b40 [ 145.567448] ? lock_release+0xa40/0xa40 [ 145.567461] ? mark_held_locks+0xaf/0x100 [ 145.612584] ? d_lookup+0x133/0x2e0 [ 145.616204] ? d_lookup+0x1d5/0x2e0 [ 145.619817] ? rcu_note_context_switch+0x710/0x710 [ 145.624731] d_alloc+0x8e/0x340 [ 145.627995] ? __d_alloc+0xbd0/0xbd0 [ 145.631697] ? down_write_nested+0x8b/0x120 [ 145.636004] __lookup_hash+0x58/0x190 [ 145.639790] filename_create+0x1c7/0x520 [ 145.643834] ? kern_path_mountpoint+0x40/0x40 [ 145.648318] ? getname_flags+0x256/0x580 [ 145.652368] SyS_mkdir+0xd4/0x2a0 [ 145.655807] ? SyS_mkdirat+0x2b0/0x2b0 [ 145.659679] ? do_syscall_64+0xb7/0x940 [ 145.663637] ? SyS_mkdirat+0x2b0/0x2b0 [ 145.667530] do_syscall_64+0x281/0x940 [ 145.671403] ? vmalloc_sync_all+0x30/0x30 [ 145.675538] ? _raw_spin_unlock_irq+0x27/0x70 [ 145.680022] ? finish_task_switch+0x1c1/0x7e0 [ 145.684502] ? syscall_return_slowpath+0x550/0x550 [ 145.689418] ? syscall_return_slowpath+0x2ac/0x550 [ 145.694331] ? prepare_exit_to_usermode+0x350/0x350 [ 145.699330] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 145.704679] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 145.709510] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 145.714682] RIP: 0033:0x454e79 [ 145.717852] RSP: 002b:00007f2f51ed5c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 145.725547] RAX: ffffffffffffffda RBX: 00007f2f51ed66d4 RCX: 0000000000454e79 [ 145.732800] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 145.740053] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 145.747316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 145.754570] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000002 [ 145.761838] CPU: 0 PID: 11809 Comm: syz-executor1 Not tainted 4.16.0-rc6+ #43 [ 145.769113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.778471] Call Trace: [ 145.781053] dump_stack+0x194/0x24d [ 145.784686] ? arch_local_irq_restore+0x53/0x53 [ 145.789352] ? __lock_is_held+0xb6/0x140 [ 145.793414] should_fail+0x8c0/0xa40 [ 145.797125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 145.802225] ? rcu_note_context_switch+0x710/0x710 [ 145.807150] ? lock_release+0xa40/0xa40 [ 145.811122] ? __might_sleep+0x95/0x190 [ 145.815096] ? _cond_resched+0x14/0x30 [ 145.818978] ? __getblk_gfp+0xfc/0xb80 [ 145.822865] ? __raw_spin_lock_init+0x1c/0x100 [ 145.827449] ? __lock_is_held+0xb6/0x140 [ 145.831512] ? check_same_owner+0x320/0x320 [ 145.835832] ? trace_hardirqs_off+0x10/0x10 [ 145.840157] ? rcu_note_context_switch+0x710/0x710 [ 145.845089] ? __raw_spin_lock_init+0x1c/0x100 [ 145.849678] should_failslab+0xec/0x120 [ 145.853652] kmem_cache_alloc+0x47/0x760 [ 145.857715] ? __lock_is_held+0xb6/0x140 [ 145.861778] ? ext4_get_group_desc+0x1bd/0x2b0 [ 145.866366] jbd2__journal_start+0x1d3/0x9f0 [ 145.870773] ? jbd2_write_access_granted.part.9+0x3a0/0x3a0 [ 145.876483] ? rcu_note_context_switch+0x710/0x710 [ 145.877404] FAULT_INJECTION: forcing a failure. [ 145.877404] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 145.881412] ? __lock_is_held+0xb6/0x140 [ 145.897234] ? __might_sleep+0x95/0x190 [ 145.901194] ? _cond_resched+0x14/0x30 [ 145.905067] __ext4_journal_start_sb+0x15f/0x550 [ 145.909805] ? __ext4_new_inode+0x1bae/0x4e80 [ 145.914283] ? ext4_journal_abort_handle.isra.5+0x2a0/0x2a0 [ 145.919978] ? find_next_zero_bit+0xe3/0x110 [ 145.924375] __ext4_new_inode+0x1bae/0x4e80 [ 145.928683] ? unwind_next_frame.part.6+0x1a6/0xb40 [ 145.934211] ? ext4_free_inode+0x1740/0x1740 [ 145.939520] ? __kernel_text_address+0xd/0x40 [ 145.944009] ? unwind_get_return_address+0x61/0xa0 [ 145.948920] ? __save_stack_trace+0x7e/0xd0 [ 145.953231] ? save_stack+0xa3/0xd0 [ 145.956838] ? save_stack+0x43/0xd0 [ 145.960447] ? __kasan_slab_free+0x11a/0x170 [ 145.964923] ? kasan_slab_free+0xe/0x10 [ 145.968885] ? kmem_cache_free+0x83/0x2a0 [ 145.973015] ? putname+0xee/0x130 [ 145.976458] ? filename_create+0x245/0x520 [ 145.980933] ? SyS_mkdir+0xd4/0x2a0 [ 145.984542] ? do_syscall_64+0x281/0x940 [ 145.988586] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 145.993929] ? _raw_spin_unlock_irqrestore+0xa6/0xc0 [ 145.999014] ? debug_check_no_obj_freed+0x3da/0xf1f [ 146.004011] ? d_alloc+0x269/0x340 [ 146.007534] ? __dquot_initialize+0x2d2/0xb70 [ 146.012013] ? trace_hardirqs_off+0x10/0x10 [ 146.016315] ? free_obj_work+0x690/0x690 [ 146.020357] ? mark_held_locks+0xaf/0x100 [ 146.024489] ? dquot_get_next_dqblk+0x160/0x160 [ 146.029230] ? __lock_is_held+0xb6/0x140 [ 146.033277] ext4_mkdir+0x395/0xcd0 [ 146.036886] ? putname+0xee/0x130 [ 146.040323] ? ext4_init_dot_dotdot+0x4d0/0x4d0 [ 146.044974] ? make_kprojid+0x30/0x30 [ 146.048754] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 146.053668] ? security_inode_permission+0xbb/0xf0 [ 146.058580] ? security_inode_mkdir+0xd0/0x110 [ 146.063231] vfs_mkdir+0x390/0x600 [ 146.067101] SyS_mkdir+0x220/0x2a0 [ 146.070624] ? SyS_mkdirat+0x2b0/0x2b0 [ 146.074512] ? do_syscall_64+0xb7/0x940 [ 146.078469] ? SyS_mkdirat+0x2b0/0x2b0 [ 146.082338] do_syscall_64+0x281/0x940 [ 146.086208] ? vmalloc_sync_all+0x30/0x30 [ 146.090342] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 146.095860] ? syscall_return_slowpath+0x550/0x550 [ 146.100773] ? syscall_return_slowpath+0x2ac/0x550 [ 146.105687] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 146.111037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 146.115865] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 146.121033] RIP: 0033:0x454e79 [ 146.124206] RSP: 002b:00007fb9818eac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 146.132070] RAX: ffffffffffffffda RBX: 00007fb9818eb6d4 RCX: 0000000000454e79 [ 146.139321] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 146.146745] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/01 11:59:14 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:14 executing program 7 (fault-call:1 fault-nth:3): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:14 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00'}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 146.153997] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 146.161256] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000004 [ 146.168532] CPU: 1 PID: 11821 Comm: syz-executor7 Not tainted 4.16.0-rc6+ #43 [ 146.168625] EXT4-fs error (device sda1) in __ext4_new_inode:961: Out of memory [ 146.175800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.175804] Call Trace: [ 146.175819] dump_stack+0x194/0x24d [ 146.175831] ? arch_local_irq_restore+0x53/0x53 [ 146.203562] should_fail+0x8c0/0xa40 [ 146.207280] ? is_bpf_text_address+0x7b/0x120 [ 146.211780] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 146.216882] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 146.222053] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 146.227218] ? rcutorture_record_progress+0x10/0x10 [ 146.232234] ? is_bpf_text_address+0xa4/0x120 [ 146.236704] ? kernel_text_address+0xd1/0xe0 [ 146.241186] ? __unwind_start+0x169/0x330 [ 146.245317] ? __kernel_text_address+0xd/0x40 [ 146.249787] ? __save_stack_trace+0x7e/0xd0 [ 146.254089] ? should_fail+0x23b/0xa40 [ 146.257956] ? save_stack+0xa3/0xd0 [ 146.261576] __alloc_pages_nodemask+0x327/0xdd0 [ 146.266227] ? trace_hardirqs_off+0x10/0x10 [ 146.270534] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 146.275530] ? find_held_lock+0x35/0x1d0 [ 146.279575] ? check_same_owner+0x320/0x320 [ 146.283869] ? lock_release+0xa40/0xa40 [ 146.287821] ? check_same_owner+0x320/0x320 [ 146.292125] cache_grow_begin+0x72/0x640 [ 146.296182] kmem_cache_alloc_trace+0x3f1/0x740 [ 146.300831] ? kasan_check_write+0x14/0x20 [ 146.305051] copy_mount_options+0x5f/0x2e0 [ 146.309262] SyS_mount+0x87/0x120 [ 146.312697] ? copy_mnt_ns+0xb30/0xb30 [ 146.316563] do_syscall_64+0x281/0x940 [ 146.320436] ? vmalloc_sync_all+0x30/0x30 [ 146.324561] ? _raw_spin_unlock_irq+0x27/0x70 [ 146.329040] ? finish_task_switch+0x1c1/0x7e0 [ 146.333516] ? syscall_return_slowpath+0x550/0x550 [ 146.338422] ? syscall_return_slowpath+0x2ac/0x550 [ 146.343324] ? prepare_exit_to_usermode+0x350/0x350 [ 146.348316] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 146.353655] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/04/01 11:59:15 executing program 6: socketpair$ax25(0x3, 0x7, 0x8, &(0x7f0000000000)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) [ 146.358476] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 146.363641] RIP: 0033:0x454e79 [ 146.366807] RSP: 002b:00007f78998c2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 146.374491] RAX: ffffffffffffffda RBX: 00007f78998c36d4 RCX: 0000000000454e79 [ 146.381747] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 146.388996] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 146.396246] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 146.403495] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000003 [ 146.477193] bpf_get_probe_write_proto: 6 callbacks suppressed [ 146.477200] syz-executor2[11835] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 146.484863] syz-executor4[11832] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 146.505794] EXT4-fs: 4 callbacks suppressed [ 146.505801] EXT4-fs (sda1): re-mounted. Opts: (null) [ 146.526677] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:15 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r3, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r3, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r5}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r3, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) r6 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xf, 0xe, &(0x7f00000003c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0xa12, 0xf, 0xa, 0x0, 0x2, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0xc}, @alu={0x7, 0x10000, 0x7, 0xf, 0x5, 0xfffffffc, 0x4}, @alu={0x0, 0x4207acd2, 0x4, 0xf, 0x2, 0x3c, 0x1}, @jmp={0x5, 0x2, 0xb, 0xd, 0x9, 0xffffffff, 0x4}, @call={0x85, 0x0, 0x0, 0x2a}], &(0x7f0000000440)='syzkaller\x00', 0x1, 0x25, &(0x7f0000000480)=""/37, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000540)=r6, 0x4) r7 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r7, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:15 executing program 0: socketpair(0x2, 0x4, 0x8, &(0x7f0000000180)={0xffffffffffffffff}) bpf$BPF_PROG_DETACH(0x9, &(0x7f00000001c0)={0x0, r0, 0x0, 0x2}, 0x14) mkdir(&(0x7f0000000000)='./file0\x00', 0x97) mount(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='sockfs\x00', 0x400, &(0x7f0000000100)="23052df2b25c107dbc1978632083796abc54b4c610e31e456e35640252ebd5bcffbf201c7127a76643d849c2f951245714976c47e745234b49f2610ff5d2aa53a624a560bac14f88e21d6ca1bc775a8ccfd1cc233aafc6255803aee39b6235e55a68985e205bc10e2604e52e02c2d3ee095cd0c690") 2018/04/01 11:59:15 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$kcm(r0, &(0x7f0000000300)={&(0x7f0000000040)=@l2={0x1f, 0x800, {0x8, 0x40, 0x10001, 0x4, 0xff, 0x94}, 0xfc52, 0xe20}, 0x80, &(0x7f0000000180)=[{&(0x7f0000000100)="0a62a507db5b496903f211be861db2e3fa428c0910c82f3e61c14dc89f6c3855cc0f16ffb824770dbdefee3818834f3dda471ed96e3cd2023a3c2d9f1380ca62c58c588be174dfd39e5b9a732cc096c001cd5b9dd373a2cf9733a587ed36cb800dbd", 0x62}], 0x1, &(0x7f00000004c0)=ANY=[@ANYBLOB="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"], 0x108}, 0x800) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f00000001c0)) recvmsg$kcm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)=[{&(0x7f0000000380)=""/101, 0x65}, {&(0x7f0000000400)=""/13, 0xd}], 0x2, 0x0, 0x0, 0xffffffffffffffff}, 0x0) 2018/04/01 11:59:15 executing program 7 (fault-call:1 fault-nth:4): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:15 executing program 1 (fault-call:0 fault-nth:5): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:15 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x0, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:15 executing program 6: socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000000)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) 2018/04/01 11:59:15 executing program 4 (fault-call:1 fault-nth:0): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) [ 146.595651] FAULT_INJECTION: forcing a failure. [ 146.595651] name failslab, interval 1, probability 0, space 0, times 0 [ 146.596440] FAULT_INJECTION: forcing a failure. [ 146.596440] name failslab, interval 1, probability 0, space 0, times 0 [ 146.606964] CPU: 0 PID: 11843 Comm: syz-executor1 Not tainted 4.16.0-rc6+ #43 [ 146.625406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.634745] Call Trace: [ 146.637326] dump_stack+0x194/0x24d [ 146.640939] ? arch_local_irq_restore+0x53/0x53 [ 146.645596] should_fail+0x8c0/0xa40 [ 146.649336] ? trace_hardirqs_off+0x10/0x10 [ 146.653680] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 146.658767] ? __might_sleep+0x95/0x190 [ 146.662732] ? print_irqtrace_events+0x270/0x270 [ 146.667476] ? __lock_is_held+0xb6/0x140 [ 146.671530] ? check_same_owner+0x320/0x320 [ 146.675835] ? block_commit_write+0x30/0x30 [ 146.680139] ? rcu_note_context_switch+0x710/0x710 [ 146.685053] ? __ext4_handle_dirty_metadata+0xdd/0x5d0 [ 146.690316] should_failslab+0xec/0x120 [ 146.694271] __kmalloc+0x63/0x760 [ 146.697707] ? ext4_find_extent+0x6ae/0x930 [ 146.702010] ext4_find_extent+0x6ae/0x930 [ 146.706150] ext4_ext_map_blocks+0x264/0x4410 [ 146.710629] ? jbd2_journal_get_write_access+0x83/0xa0 [ 146.715892] ? ext4_find_delalloc_cluster+0xc0/0xc0 [ 146.720886] ? find_held_lock+0x35/0x1d0 [ 146.724930] ? trace_hardirqs_off+0x10/0x10 [ 146.729235] ? trace_hardirqs_off+0x10/0x10 [ 146.733537] ? lock_downgrade+0x980/0x980 [ 146.737671] ? lock_release+0xa40/0xa40 [ 146.741630] ? ext4_init_acl+0x2b0/0x2b0 [ 146.745682] ? lock_acquire+0x1d5/0x580 [ 146.749640] ? lock_acquire+0x1d5/0x580 [ 146.753599] ? ext4_map_blocks+0xa8d/0x1830 [ 146.757909] ? lock_release+0xa40/0xa40 [ 146.761863] ? check_same_owner+0x320/0x320 [ 146.766167] ? ext4_es_cache_extent+0x600/0x600 [ 146.770900] ? rcu_note_context_switch+0x710/0x710 [ 146.775825] ? __might_sleep+0x95/0x190 [ 146.779786] ? down_read+0x96/0x150 [ 146.783398] ? ext4_map_blocks+0xa8d/0x1830 [ 146.787705] ? __down_interruptible+0x6b0/0x6b0 [ 146.792358] ? ext4_free_inode+0x1740/0x1740 [ 146.796746] ? __kernel_text_address+0xd/0x40 [ 146.801229] ext4_map_blocks+0xd69/0x1830 [ 146.805371] ? ext4_issue_zeroout+0x170/0x170 [ 146.809854] ? save_stack+0xa3/0xd0 [ 146.813466] ? save_stack+0x43/0xd0 [ 146.817075] ? __kasan_slab_free+0x11a/0x170 [ 146.821470] ? kasan_slab_free+0xe/0x10 [ 146.825463] ? kmem_cache_free+0x83/0x2a0 [ 146.829603] ? putname+0xee/0x130 [ 146.833042] ? filename_create+0x245/0x520 [ 146.837272] ? SyS_mkdir+0xd4/0x2a0 [ 146.840887] ext4_getblk+0x110/0x500 [ 146.844584] ? debug_check_no_obj_freed+0x3da/0xf1f [ 146.849589] ? ext4_iomap_begin+0x1150/0x1150 [ 146.854074] ? __dquot_initialize+0x2d2/0xb70 [ 146.858562] ext4_bread+0x8d/0x240 [ 146.862085] ? ext4_getblk+0x500/0x500 [ 146.865970] ext4_append+0x146/0x340 [ 146.869670] ext4_mkdir+0x571/0xcd0 [ 146.873276] ? putname+0xee/0x130 [ 146.876714] ? ext4_init_dot_dotdot+0x4d0/0x4d0 [ 146.881369] ? make_kprojid+0x30/0x30 [ 146.885151] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 146.890064] ? security_inode_permission+0xbb/0xf0 [ 146.894979] ? security_inode_mkdir+0xd0/0x110 [ 146.899545] vfs_mkdir+0x390/0x600 [ 146.903070] SyS_mkdir+0x220/0x2a0 [ 146.906598] ? SyS_mkdirat+0x2b0/0x2b0 [ 146.910470] ? do_syscall_64+0xb7/0x940 [ 146.914440] ? SyS_mkdirat+0x2b0/0x2b0 [ 146.918308] do_syscall_64+0x281/0x940 [ 146.922177] ? vmalloc_sync_all+0x30/0x30 [ 146.926309] ? _raw_spin_unlock_irq+0x27/0x70 [ 146.930786] ? finish_task_switch+0x1c1/0x7e0 [ 146.935266] ? syscall_return_slowpath+0x550/0x550 [ 146.940176] ? syscall_return_slowpath+0x2ac/0x550 [ 146.945089] ? prepare_exit_to_usermode+0x350/0x350 [ 146.950093] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 146.955446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 146.960276] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 146.965452] RIP: 0033:0x454e79 [ 146.968630] RSP: 002b:00007fb9818eac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 146.976323] RAX: ffffffffffffffda RBX: 00007fb9818eb6d4 RCX: 0000000000454e79 [ 146.983595] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 146.990850] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 146.998104] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 147.005358] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000005 [ 147.012638] CPU: 1 PID: 11850 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 147.019915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.025258] FAULT_INJECTION: forcing a failure. [ 147.025258] name failslab, interval 1, probability 0, space 0, times 0 [ 147.029260] Call Trace: [ 147.029276] dump_stack+0x194/0x24d [ 147.029287] ? arch_local_irq_restore+0x53/0x53 [ 147.029303] should_fail+0x8c0/0xa40 [ 147.029314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 147.029324] ? lock_downgrade+0x980/0x980 [ 147.029334] ? get_pid_task+0xbc/0x140 [ 147.029350] ? proc_fail_nth_write+0x9b/0x1d0 [ 147.072595] ? map_files_get_link+0x3a0/0x3a0 [ 147.077084] ? find_held_lock+0x35/0x1d0 [ 147.081140] ? check_same_owner+0x320/0x320 [ 147.085461] ? __lock_is_held+0xb6/0x140 [ 147.089507] ? rcu_note_context_switch+0x710/0x710 [ 147.094429] should_failslab+0xec/0x120 [ 147.098565] __kmalloc_track_caller+0x5f/0x760 [ 147.103133] ? strncpy_from_user+0x430/0x430 [ 147.107538] ? strndup_user+0x62/0xb0 [ 147.111328] memdup_user+0x2c/0x90 [ 147.114852] strndup_user+0x62/0xb0 [ 147.118464] SyS_mount+0x3c/0x120 [ 147.121901] ? copy_mnt_ns+0xb30/0xb30 [ 147.125778] do_syscall_64+0x281/0x940 [ 147.129651] ? vmalloc_sync_all+0x30/0x30 [ 147.133785] ? _raw_spin_unlock_irq+0x27/0x70 [ 147.138268] ? finish_task_switch+0x1c1/0x7e0 [ 147.142751] ? syscall_return_slowpath+0x550/0x550 [ 147.147666] ? syscall_return_slowpath+0x2ac/0x550 [ 147.152609] ? prepare_exit_to_usermode+0x350/0x350 [ 147.157611] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 147.162966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 147.167813] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 147.173008] RIP: 0033:0x454e79 [ 147.176199] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 147.183901] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 147.191160] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 147.198430] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 147.205689] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 147.212952] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000000 [ 147.220221] CPU: 0 PID: 11855 Comm: syz-executor7 Not tainted 4.16.0-rc6+ #43 [ 147.227495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.236854] Call Trace: [ 147.239447] dump_stack+0x194/0x24d [ 147.243075] ? arch_local_irq_restore+0x53/0x53 2018/04/01 11:59:16 executing program 1 (fault-call:0 fault-nth:6): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:16 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000000)) [ 147.247749] ? finish_task_switch+0x1c1/0x7e0 [ 147.252271] ? finish_task_switch+0x182/0x7e0 [ 147.256776] should_fail+0x8c0/0xa40 [ 147.260491] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 147.265611] ? __sched_text_start+0x8/0x8 [ 147.269758] ? find_held_lock+0x35/0x1d0 [ 147.273829] ? check_same_owner+0x320/0x320 [ 147.278159] should_failslab+0xec/0x120 [ 147.282136] kmem_cache_alloc+0x47/0x760 [ 147.286204] ? find_held_lock+0x35/0x1d0 [ 147.290270] getname_flags+0xcb/0x580 [ 147.294077] user_path_at_empty+0x2d/0x50 [ 147.294269] FAULT_INJECTION: forcing a failure. [ 147.294269] name failslab, interval 1, probability 0, space 0, times 0 [ 147.298221] do_mount+0x15f/0x2bb0 [ 147.298234] ? copy_mount_string+0x40/0x40 [ 147.298245] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 147.298259] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 147.298278] ? retint_kernel+0x10/0x10 [ 147.298292] ? copy_mount_options+0x18b/0x2e0 [ 147.335403] ? copy_mount_options+0x196/0x2e0 [ 147.339892] ? copy_mount_options+0x1f7/0x2e0 [ 147.344386] SyS_mount+0xab/0x120 [ 147.348412] ? copy_mnt_ns+0xb30/0xb30 [ 147.352293] do_syscall_64+0x281/0x940 [ 147.356166] ? vmalloc_sync_all+0x30/0x30 [ 147.360304] ? _raw_spin_unlock_irq+0x27/0x70 [ 147.364787] ? finish_task_switch+0x1c1/0x7e0 [ 147.369285] ? syscall_return_slowpath+0x550/0x550 [ 147.374201] ? syscall_return_slowpath+0x2ac/0x550 [ 147.379149] ? prepare_exit_to_usermode+0x350/0x350 [ 147.384154] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 147.389505] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 147.394339] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 147.399513] RIP: 0033:0x454e79 [ 147.402686] RSP: 002b:00007f78998c2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 147.410399] RAX: ffffffffffffffda RBX: 00007f78998c36d4 RCX: 0000000000454e79 [ 147.417655] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 147.424908] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 147.432160] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 147.439419] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000004 2018/04/01 11:59:16 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair(0x26, 0x5, 0xffffffffffffffff, &(0x7f0000000100)) recvmsg(0xffffffffffffff9c, &(0x7f0000009a40)={&(0x7f00000088c0)=@can={0x0, 0x0}, 0x80, &(0x7f0000009940)=[{&(0x7f0000008940)=""/4096, 0x1000}], 0x1, &(0x7f0000009980)=""/164, 0xa4, 0x5}, 0x63461c91075d8451) sendmsg$kcm(0xffffffffffffffff, &(0x7f000000ac80)={&(0x7f0000009a80)=@hci={0x1f, r0}, 0xfffffffffffffd46, &(0x7f0000009b80)=[{&(0x7f0000009b00)="b6b1ccc5e8d4b917e3f4cbbf87d5a14aa6068abe735ad2944f6a5cc7bb48b0e73461b42ecd477bb8374a73e2899c3133401f809d8524e3e9ab9f2234ae7a0e043f19cb2af1a60af40b64a539c28b4850", 0x50}], 0x1, &(0x7f0000009bc0)=[{0x88, 0x800000000000000, 0x6, "b1154256de2f98c6e6964fa7f7ebe69ef5950971992f5b6224dc2009cb0196882eb89cf32265cf622b65e46d42709de01fc89cc308b2f4043db881afd57dc9e5e9ef6a73639b8a8159a141845863404b877869a8527e403cddad4b2f71bdda1d61683223310f615c367f5733ff9e29a3e08a"}, {0x1010, 0x1ff, 0xc6, "0b6da9bfef361a279e308f63e6ef4e4b046a02c65239b501f1f7f2170e1ccd5f0ef9c9e25ed76f6a6f4ac8c181c71f19dd197cd2846745b96e28aebe7d8ce63359f0e386b539194c9a649a2b0661b64a7f9408afac872040dd6cd8e6a3ecd4687b8326d7730ac5a6173e33f5f7a188c0178f3abdf22760c84567075a4b8c12adf0d5eb598065048eb8452dafc8d9a7a6cd54b8746ebf9c2f4500d75c8b8e8dbd0147c1f9e72a76ad477ee1e9dc529dd4a53de9d06690202b3a9c2015e80004b2c77e32cd90aaf8e457e448fab1936e52c628395fff4cf5209a0ac06d6da8f0a883936e4835aa21e76035dfbea3299c781b922de9a829c393e14c773091cf2ee2f7fb618ce6114e4d0e46f7dfbdf1600219094fcceb02a4b9e4dfe59b788ebeea9b8d0ba4cfb5b1bdc74b34a937c0469b000ac7dbdff585d2e9fc97182667508d843185af97a50bfc532bfd7b858d34a5116cd47f773f97480656b4238125d4afaa3a006a4967ad8e4ba4104d6eb9c5a299f314648915ab73adde8fe9a6c4677095d0a71eb1bee6e89ee6b1ad61d64b8608c26a3ac3dd2dc0d7692c62107c0874ed480cf0bee1a126cb7633177c0c2c12e2e4306d99095e252855822102a87d8f7aaf31f4340bcae3b782edd79dbeace84ff9274d4c025c0d27aec27793777a05a16e1f24469d428a290ba4f0c8d0cccdc88c5e6fdebdd8d9845458458e0654025d89d59e8788488c2fa4542925950ce664a7d1df55ccfb3eb882a9936a3e4a01449e61b20d378a1d228d3264dbb46c6b35caffc97eec171af0ea7c430a93f6c6f33409660482d50f3ee5d4f082d6742fceab1dc6e0353c66d99bc25fdac8ee3f12ba2cc3b69166357995ba9b13d071d81aac0153a4ff689f853ebc1e693b19d49b63d5733cf87f1bbd769f10b1c5dd458a11a32b86f77755114ca52f3a4709a477ec482074dd29c824729432c3c7c78709f5f8b877de217f92a35dd7045175a79608bba4785eaf76635c4a7ac28b69941fb56c241b95d40f4bbedd3863af6c9dbd3b52a8b351911452545d8b513a1d47595ae28ee3e2cc878b0168307e568ecd158a85459a556b1f57663e35972cdaf93f46593b2fa7b482294fba3c2a2948d4649674618a4eb05322007c5a26d99111297dfd61ff02572428e3fba00ccc5cefffa3133574a0d37850cfa9206ca70b1259201db18fc815b65cb61665c0b0b96c2a303804d72f834aacd17a80513acb0848618617c65b4a4b155f30322ad2bb0c662551d00856bc30eab9e7f3dfb0d71ade633eb468c1cb6818558ec577015261760fc03bd192f3cb810ec82abc6eec1a114b6cbf5f0b252f1fd9951658987672c10a604220256d6d24a2f0cb90caf30f9bab6c45b923d25d54f245f13e2afcfe65c6d31ee2027d73f5fc6c3f0eaf36755f27761685e011687d7fb76e0859af0b90654aa16f850997febe19e43caa6970b246f71e4ef87a9475da8740dd15bb55a8713a8d47f98b6c05162757fbd71298cd8ce3c164e65bd801e5780fd2a0de327f49a244fe428d8130ccd3c371d99a257b5d13f2f34c7958cca8153826c1a9689b2ebea43ad854455ab0e03cfacc971d13fb108dd0d36d3ccc5665e4be9b3c0fa6aa14934e50796cd848c30ce7963ef0d766efd0bc1f70ad1b67fdf286d677ca4ee8c942373dd10a4eec46109bec31210d94d5a0710ef8cd66446da2f2aaadffd53d0f2351c5419ec5d974a9e7c970901fc25d044189c4f2ace0c15a07a99e8f72711ea93e383f90d3f303f7b71b70870f08f259165a578fc09b2ca6871753ae61a747eaf3aea835db12b27a35cfe0b801881ec28091059b3b5b951d35b25200796eea6f7dfe6fdef0bf544acc47aada0a159556231c09d62be34e8b076874cfd320349612f5fbae2d5f71ca4af0e8378c62d78627cbca188298fc511affa7b0af01a2ad485f6cd0bf0addac6401bae9aff46aee4cef5b7d9514ed0a6642a1fbb3885d9adc8126903d49b18bbd4fad658da40b1396a675a14fd3e8d0d944863d94eb9c63709098c17dc5876a9a92e9d0eb6b99590b4cf42dc0645106c055585b524598adcff458a59ee1c4beddbeb2f6605c55d57e9b1157fef60b9f7ba2d6d7b67093665bfdbaafab94d3a10bdfc37cf3b026876a09a157e561b87bf80a7ce696cf44c4eb0926d99d88c5e814733264f9cd67a6f618dec70f70280a12ac42a2c361ca3ee8edff2a3d2c2726e729c1edabe5b4a4934f5bc3d036b09375c8450fa1de337859a18fffd297225d3a3dddd3f74a36b977245e792ee4cd7923f9fb789dd703460c3063c8d69b7d39fc83705af6a720f0a6c2f4e1ab464bbbc21f56625aea82b1e7d75c6194bc6ce9e278da6e889749c18038592775b559832c9c822dae30e80a562427a56e23975aaa7469019aa8dd8fb0e9e9646992fdae2b44fb85ffaa10d43260924edea0a04cd357726c5762d368803d3024fc03c5825a19cd58a074f0a326f708ea9fc102f335b993ae3ea5404f86ccabd516a9865a7782a91264bcf35dc53c13ef442c7254672a2b8a7b6c70b5d2e4d68c1d0b2bb893c27207a208f0b86c38b7a4a1831a0fd4833c616521660bc7acdfac0aff862ed085b9335eca8ff2ddd3df2eb6d32d67aee54f5518943749d2b1304f9aff3ea9748eeb3e7b3f3429681f59398be05e034904b2fd01bc9a83d812cb9f246cb9b3eb4f83e9c8e1179eef15a1e4a1009117026cfa6177ef41a6cdf1ad8744e34773515748ae8fbc2d5cb67be68687e680a37314d40f8f85b70fd6203caa3e6a75b259512419033c5626ef1cbaa86f473f62afe52daa7a69985cc48ede2763ccab078e745326f5b4fdafe9a7cd6e6ead8f83d2077e5bfcac88864a9b9958be8892dc37bbf72899da09b0e01e8d289a9e1321ec6153947dfe16feaab96ad354953332a9c0857ecf131a40aa2b8a756ee1c9087646b9d363f7de6f537e8fb69aac2296b2aa5bf3d1f887c109815c8b40dea0920d9402ace48551fafc7f2ac5906f4f26722bcce6255c582353f98acdd760e7531da7f3e50ce3e62b4247e769aab3ea71af8ba6755ecbfa8270d83c09cb4c92a1ddac3d2fcf7c85abed4ad9711b529306e0487c9b3fab689a475df0801f674081b02e2b3ff8c576a48015f5156a5460a39c6f8d71e792ccc33f39e81346bca37235c9ac1bc1242dfde8e3fe65efba03018106488894fd1a803320ef72e4cfb58d7f69e3dbbd3e767de743ce4223c730bb1f55342d8be5b6deaa7140077b56e23c51a1bd91d0776ab999ca83f7ba984c3e66e7e6523e8ed3495e3c084874f5e2068a1c2cdde1a27b9b7ddb4f867834642421449e5948549b04675c692f779da058504558999912480e8eb4577234c7381815b7a66769d7e217360f6f6ff102c3b6509eb6475395122b082986a7d802197b1690af95eefd9b5363faeb88ecc4c3bff5ecec0c96c5d7c22e50844709527a632796e09cf95e6f637ecd788f4548ba42ec309d953077f53b4c77ac8a7f5e11b5109c6da67f2defdec4da4e80f5c958a9a84f6c8e2d8116a5d60ad80d7fff6f8fc1b9b274fdd9c21c138ac89f6680d2056e7c67c078d5a3e871e1a834552b4206e4c7187298eb9b2cf9cec95629a46aa4d0f364c4b342f48cfee71b7f72f0083c8e76bac1ce279d59d55472f23ff9fafc24939160bbd7ea97d73c646c151ffc717ade422292de5265424a49be3307b7372ca09f9b06d0dae59f00b427b70a79d714476df273a2c2292d1bdcf21047e82579684c246580d68cd0a0e3c30424356d76d61c855a6dd5bc56929ef488a20b8fc1cf64138ccc6defd1f3b085350f5b756951dfbe041e87e1448adbc425a9e488f72942c4214b586be2a99209fe946f2c6eb817c2f2899b4834d64584eb67b12f5c03817a8965593225ac43f834e03a07344ec4cb5a2803877e1213a45912a04d3bfee881f18384b067ecfbe3f1f987b34dea18a66ce070ea466261c79b95adf335100711370e901b41eee333ab894707135d654b57800633c6e7fa613b16623e063a917ce5fc24863dd4b961ad42fa7c026c1b265dd6571eb7c6af483ccaad7bda5dba0061085c39a8118d6d8564c3d78c61cd2a80bcae8556e0082f7d9a46cb78d1d93e6ade5c5cf3b012978a5d864e0c60bb8bb238c935c9d9e958b8e72bbf89a3b4fd28d6085397a6191728edc62cd46029ac6728d1d44b3a232822d568abbac2ea79d04d2c15969bfd0f8c5dc2fa409d91ac9b03628e7b5118840bc24bc0ca24ff6a5704b4a372ba7e1e8704e2c8c00b986f7725b8bd2d113530bdf79f30f3215b5b9032ea31d7025a1cf6d475c8e31c9ae1e061e6037de07b412cab3c73e3eb7f481d611bbc62f3ece126ac4abd8fa2b6873e27ed54f5906fd9fd0333ef567fec93cc6d25dc3e9ff47a60aba524f7b8af8e55a8193710057320e27f4868f8692d93fc00bfc90060fa04737ed19243f3cf52ebfc3556077167b611f00894cbf125816d7549ad6d725f7a2086d6d4413393a765073732b065a352908559abe29ec077629dd0a1722d45fe77b558a59dccc547dc7a3b4b9de0644c1fe024f2cc73fb2f7c410d71d5ff62da329cad7cf228b55e1c93765a31738e0e5774823c638cc2f62c7290332f5f151da94030c297e6a95ad82dc00a3611ae07c09294a397241e253ce5148ab0de966a3f186d0981d3e05f7918132fbcb2c77fc6db5d6cf126e0bb2d38cdc8ad0fe97ad69cd7aa2bfbad72d1b8aa4f92a877d848d8dba7c0111c40ec985a13013889a3b9380a673e1b4a46bbcff4a3ef52434e8c01f8e122df3aa011d95880230ce9641a69329653101099746ceb062b6128969a217206a24b0407607b177745eba5124058f71bf1313c7c0173a80f9467d39a9082c4dc0ed2af78a4898d75066ac750948b025c18fec51e4ebabc8868217581c92431330357cc274f38b3e45c2a4deab0e2b7b0549a9e7ceb2bc76451dd2ee0747967264ecb661f3c78ef690b440a196bdec38f9c1e17742ff5a7590c18b7cd05d400b9654be4d131e18057b14f29d6f487bf6803c0d0854d0db95fc5d307b940a8c428cc6b4db0aca62eaacabac253dd89d59d0a83d27bbf8fc7491ac693f43d215ca1ce2b650576855c1d0a11c6ffdc2aa09cb259809465a55587243668479b5968fe899976db78a601cca6496e3a2202c9dbfdbcc11b02f8ddd5609f4d161056dc1681d3592efa8f284ef917424e43e4de01a958d2422f4ed00c07b4c4a31673484e9bdec409ea2750e6af89e2344635a6bb95bd610521bdc19e7b798aa9d0dcf3fac54592c11f0e83bce86226e8009ab67526d3aab823858ebb56c4e15fdab97683a1791c0bf135d934d6b0584e664b4ea859e173cb2774aaa0cfae969a9ec589a62e5d967a1200971a8651162f835d7a9d862b92c04c6d2c1e38159c48b7187a8cdcfff04dc75b7e8f5f27ae3956ee24b65081ca694423005f1d59c81ac860c6392acc79feee4fc2f7a82fe33d356de3f48878863e333690922fb818869270ce38c0d17fbd797a300665bba1a8600962e9d269f9f0f48cd5be7f6ec935167f6fbb02dd78ee54cfc18ae5491a24b2e70008112f452ae6a5dfbbf671f08b261f8b9f13c699bfda8961d14591587edb21db8769e62480d9dfcb3f38f3d76f363e17c99bd05e73de793ee5aa64dea4120373470bd6de062d0b14ae1e10f9c00972a159c02ada0b333afcd3a7fcd722b8d1d468b4def61d7f9a456e9caa4be8d12b275c7b095a1755b5e9b00a97ff2a26a021a1a4f37ce4"}], 0x1098, 0x4}, 0x73deaad307026844) [ 147.446693] CPU: 1 PID: 11864 Comm: syz-executor1 Not tainted 4.16.0-rc6+ #43 [ 147.453967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.460870] syz-executor2[11867] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 147.463315] Call Trace: [ 147.463332] dump_stack+0x194/0x24d [ 147.463343] ? arch_local_irq_restore+0x53/0x53 [ 147.463354] ? __lock_acquire+0x664/0x3e00 [ 147.463367] should_fail+0x8c0/0xa40 [ 147.493050] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/01 11:59:16 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)) socketpair$inet_sctp(0x2, 0x1, 0x84, &(0x7f0000000000)) 2018/04/01 11:59:16 executing program 4 (fault-call:1 fault-nth:1): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) [ 147.498166] ? find_held_lock+0x35/0x1d0 [ 147.502238] ? is_bpf_text_address+0x7b/0x120 [ 147.506739] ? lock_downgrade+0x980/0x980 [ 147.510893] ? lock_release+0xa40/0xa40 [ 147.514870] ? unwind_next_frame.part.6+0x1a6/0xb40 [ 147.519888] ? unwind_dump+0x4d0/0x4d0 [ 147.523781] ? rcutorture_record_progress+0x10/0x10 [ 147.528802] ? trace_hardirqs_off+0x10/0x10 [ 147.533128] ? is_bpf_text_address+0xa4/0x120 [ 147.537625] ? kernel_text_address+0xd1/0xe0 [ 147.542036] ? __unwind_start+0x169/0x330 2018/04/01 11:59:16 executing program 5: socketpair(0x4, 0x3, 0x1, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_RESET(r0, 0x2403, 0x5) mkdir(&(0x7f00000000c0)='./file0/', 0x2) socketpair(0x8, 0xf, 0x3, &(0x7f0000000000)) [ 147.546195] should_failslab+0xec/0x120 [ 147.550200] kmem_cache_alloc+0x47/0x760 [ 147.554270] ? find_held_lock+0x35/0x1d0 [ 147.558342] ? __es_tree_search+0x181/0x1e0 [ 147.562671] __es_insert_extent+0x2a3/0x1050 [ 147.567082] ? ext4_es_free_extent+0x7e0/0x7e0 [ 147.571664] ? lock_release+0xa40/0xa40 [ 147.575638] ? __lock_is_held+0xb6/0x140 [ 147.579704] ext4_es_insert_extent+0x296/0x720 [ 147.584289] ? ext4_es_find_delayed_extent_range+0xae0/0xae0 [ 147.590115] ? rcu_read_lock_sched_held+0x108/0x120 [ 147.595134] ? __kmalloc+0x46e/0x760 [ 147.598850] ext4_ext_put_gap_in_cache+0x147/0x1b0 [ 147.603789] ? ext4_zeroout_es+0x150/0x150 [ 147.608120] ext4_ext_map_blocks+0x15d2/0x4410 [ 147.612236] syz-executor2[11880] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 147.612712] ? jbd2_journal_get_write_access+0x83/0xa0 [ 147.612731] ? ext4_find_delalloc_cluster+0xc0/0xc0 [ 147.612740] ? find_held_lock+0x35/0x1d0 [ 147.612751] ? trace_hardirqs_off+0x10/0x10 [ 147.637683] FAULT_INJECTION: forcing a failure. [ 147.637683] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 147.637999] ? trace_hardirqs_off+0x10/0x10 [ 147.658403] ? lock_downgrade+0x980/0x980 [ 147.662536] ? lock_release+0xa40/0xa40 [ 147.666493] ? ext4_init_acl+0x2b0/0x2b0 [ 147.670548] ? lock_acquire+0x1d5/0x580 [ 147.674511] ? lock_acquire+0x1d5/0x580 [ 147.678463] ? ext4_map_blocks+0xa8d/0x1830 [ 147.682778] ? lock_release+0xa40/0xa40 [ 147.686736] ? check_same_owner+0x320/0x320 [ 147.691043] ? ext4_es_cache_extent+0x600/0x600 [ 147.695696] ? rcu_note_context_switch+0x710/0x710 [ 147.700612] ? __might_sleep+0x95/0x190 [ 147.704572] ? down_read+0x96/0x150 [ 147.708191] ? ext4_map_blocks+0xa8d/0x1830 [ 147.712495] ? __down_interruptible+0x6b0/0x6b0 [ 147.717145] ? ext4_free_inode+0x1740/0x1740 [ 147.721539] ? __kernel_text_address+0xd/0x40 [ 147.726029] ext4_map_blocks+0xd69/0x1830 [ 147.730177] ? ext4_issue_zeroout+0x170/0x170 [ 147.734663] ? save_stack+0xa3/0xd0 [ 147.738278] ? save_stack+0x43/0xd0 [ 147.741888] ? __kasan_slab_free+0x11a/0x170 [ 147.746283] ? kasan_slab_free+0xe/0x10 [ 147.750236] ? kmem_cache_free+0x83/0x2a0 [ 147.754368] ? putname+0xee/0x130 [ 147.757803] ? filename_create+0x245/0x520 [ 147.762020] ? SyS_mkdir+0xd4/0x2a0 [ 147.765635] ext4_getblk+0x110/0x500 [ 147.769334] ? debug_check_no_obj_freed+0x3da/0xf1f [ 147.774356] ? ext4_iomap_begin+0x1150/0x1150 [ 147.778839] ? __dquot_initialize+0x2d2/0xb70 [ 147.783325] ext4_bread+0x8d/0x240 [ 147.786848] ? ext4_getblk+0x500/0x500 [ 147.790741] ext4_append+0x146/0x340 [ 147.794454] ext4_mkdir+0x571/0xcd0 [ 147.798153] ? putname+0xee/0x130 [ 147.801592] ? ext4_init_dot_dotdot+0x4d0/0x4d0 [ 147.806243] ? make_kprojid+0x30/0x30 [ 147.810029] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 147.815031] ? security_inode_permission+0xbb/0xf0 [ 147.819947] ? security_inode_mkdir+0xd0/0x110 [ 147.824516] vfs_mkdir+0x390/0x600 [ 147.828040] SyS_mkdir+0x220/0x2a0 [ 147.831564] ? SyS_mkdirat+0x2b0/0x2b0 [ 147.835436] ? do_syscall_64+0xb7/0x940 [ 147.839399] ? SyS_mkdirat+0x2b0/0x2b0 [ 147.843271] do_syscall_64+0x281/0x940 [ 147.847152] ? vmalloc_sync_all+0x30/0x30 [ 147.851293] ? _raw_spin_unlock_irq+0x27/0x70 [ 147.855777] ? finish_task_switch+0x1c1/0x7e0 [ 147.860255] ? syscall_return_slowpath+0x550/0x550 [ 147.865179] ? syscall_return_slowpath+0x2ac/0x550 [ 147.870092] ? prepare_exit_to_usermode+0x350/0x350 [ 147.875108] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 147.880458] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 147.885292] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 147.890479] RIP: 0033:0x454e79 [ 147.893655] RSP: 002b:00007fb9818eac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 2018/04/01 11:59:16 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:16 executing program 7 (fault-call:1 fault-nth:5): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) [ 147.901354] RAX: ffffffffffffffda RBX: 00007fb9818eb6d4 RCX: 0000000000454e79 [ 147.908613] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 147.915867] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 147.923122] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 147.930375] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000006 [ 147.937654] CPU: 0 PID: 11883 Comm: syz-executor7 Not tainted 4.16.0-rc6+ #43 [ 147.944938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.954294] Call Trace: [ 147.956883] dump_stack+0x194/0x24d [ 147.960521] ? arch_local_irq_restore+0x53/0x53 [ 147.965199] should_fail+0x8c0/0xa40 [ 147.968917] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 147.974022] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 147.979220] ? __lock_acquire+0x664/0x3e00 [ 147.979508] FAULT_INJECTION: forcing a failure. [ 147.979508] name failslab, interval 1, probability 0, space 0, times 0 [ 147.983452] ? print_irqtrace_events+0x270/0x270 [ 147.983461] ? print_irqtrace_events+0x270/0x270 [ 147.983468] ? print_irqtrace_events+0x270/0x270 [ 147.983478] ? trace_hardirqs_off+0x10/0x10 [ 147.983486] ? lock_acquire+0x1d5/0x580 [ 147.983501] ? find_held_lock+0x35/0x1d0 [ 148.021168] ? should_fail+0x23b/0xa40 [ 148.025047] __alloc_pages_nodemask+0x327/0xdd0 [ 148.029700] ? lock_release+0xa40/0xa40 [ 148.033660] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 148.038665] ? find_held_lock+0x35/0x1d0 [ 148.042721] ? check_same_owner+0x320/0x320 [ 148.047038] cache_grow_begin+0x72/0x640 [ 148.051086] kmem_cache_alloc+0x400/0x760 [ 148.055226] getname_flags+0xcb/0x580 [ 148.059024] user_path_at_empty+0x2d/0x50 [ 148.063174] do_mount+0x15f/0x2bb0 [ 148.066714] ? copy_mount_string+0x40/0x40 [ 148.070939] ? rcu_pm_notify+0xc0/0xc0 [ 148.074818] ? copy_mount_options+0x5f/0x2e0 [ 148.079228] ? rcu_read_lock_sched_held+0x108/0x120 [ 148.084228] ? kmem_cache_alloc_trace+0x459/0x740 [ 148.089056] ? kasan_check_write+0x14/0x20 [ 148.093284] ? copy_mount_options+0x1f7/0x2e0 [ 148.097765] SyS_mount+0xab/0x120 [ 148.101204] ? copy_mnt_ns+0xb30/0xb30 [ 148.105079] do_syscall_64+0x281/0x940 [ 148.108950] ? vmalloc_sync_all+0x30/0x30 [ 148.113083] ? _raw_spin_unlock_irq+0x27/0x70 [ 148.117568] ? finish_task_switch+0x1c1/0x7e0 [ 148.122048] ? syscall_return_slowpath+0x550/0x550 [ 148.126960] ? syscall_return_slowpath+0x2ac/0x550 [ 148.131874] ? prepare_exit_to_usermode+0x350/0x350 [ 148.136878] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 148.142230] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 148.147061] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 148.152251] RIP: 0033:0x454e79 [ 148.155427] RSP: 002b:00007f78998c2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 148.163133] RAX: ffffffffffffffda RBX: 00007f78998c36d4 RCX: 0000000000454e79 [ 148.170389] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 148.177643] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 148.184898] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 148.192166] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000005 [ 148.199437] CPU: 1 PID: 11886 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 148.206721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.216088] Call Trace: [ 148.218684] dump_stack+0x194/0x24d [ 148.222320] ? arch_local_irq_restore+0x53/0x53 [ 148.223217] EXT4-fs (sda1): re-mounted. Opts: (null) [ 148.226987] ? __save_stack_trace+0x7e/0xd0 [ 148.227004] should_fail+0x8c0/0xa40 [ 148.227015] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 148.227026] ? kasan_kmalloc+0xad/0xe0 [ 148.227034] ? __kmalloc_track_caller+0x15e/0x760 [ 148.227042] ? memdup_user+0x2c/0x90 [ 148.227052] ? strndup_user+0x62/0xb0 [ 148.261439] ? SyS_mount+0x3c/0x120 [ 148.265079] ? proc_fail_nth_write+0x9b/0x1d0 [ 148.269582] ? map_files_get_link+0x3a0/0x3a0 [ 148.274089] ? find_held_lock+0x35/0x1d0 [ 148.278171] ? check_same_owner+0x320/0x320 [ 148.282504] ? rcu_note_context_switch+0x710/0x710 [ 148.287444] ? __check_object_size+0x8b/0x530 [ 148.291973] should_failslab+0xec/0x120 [ 148.295966] __kmalloc_track_caller+0x5f/0x760 [ 148.301172] ? strncpy_from_user+0x430/0x430 [ 148.305588] ? strndup_user+0x62/0xb0 [ 148.309396] ? _copy_from_user+0x99/0x110 [ 148.313553] memdup_user+0x2c/0x90 [ 148.317107] strndup_user+0x62/0xb0 [ 148.320749] SyS_mount+0x6b/0x120 [ 148.324234] ? copy_mnt_ns+0xb30/0xb30 [ 148.328161] do_syscall_64+0x281/0x940 [ 148.332059] ? vmalloc_sync_all+0x30/0x30 [ 148.336227] ? _raw_spin_unlock_irq+0x27/0x70 [ 148.340728] ? finish_task_switch+0x1c1/0x7e0 [ 148.345227] ? syscall_return_slowpath+0x550/0x550 [ 148.350164] ? syscall_return_slowpath+0x2ac/0x550 [ 148.355099] ? prepare_exit_to_usermode+0x350/0x350 [ 148.360125] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 148.365502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 148.370360] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 148.375543] RIP: 0033:0x454e79 [ 148.378722] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 148.386411] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 148.394098] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 2018/04/01 11:59:17 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r3, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r3, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r5}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r3, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) r6 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xf, 0xe, &(0x7f00000003c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0xa12, 0xf, 0xa, 0x0, 0x2, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0xc}, @alu={0x7, 0x10000, 0x7, 0xf, 0x5, 0xfffffffc, 0x4}, @alu={0x0, 0x4207acd2, 0x4, 0xf, 0x2, 0x3c, 0x1}, @jmp={0x5, 0x2, 0xb, 0xd, 0x9, 0xffffffff, 0x4}, @call={0x85, 0x0, 0x0, 0x2a}], &(0x7f0000000440)='syzkaller\x00', 0x1, 0x25, &(0x7f0000000480)=""/37, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000540)=r6, 0x4) r7 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r7, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:17 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x2) 2018/04/01 11:59:17 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)) 2018/04/01 11:59:17 executing program 1 (fault-call:0 fault-nth:7): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:17 executing program 7 (fault-call:1 fault-nth:6): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:17 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 148.401351] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 148.408598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 148.415847] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000001 2018/04/01 11:59:17 executing program 5: mkdir(&(0x7f0000000080)='./file0/', 0x2000008) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000580)) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$kcm(r1, &(0x7f0000000480)={&(0x7f00000001c0)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @local}}}, 0x80, &(0x7f0000000340)=[{&(0x7f0000000240)=""/251, 0xfb}], 0x1, &(0x7f0000000380)=""/244, 0xf4, 0x6b6e}, 0x40000002) sendmsg$kcm(r2, &(0x7f0000000880)={&(0x7f00000004c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'salsa20-generic\x00'}, 0x80, &(0x7f0000000700)=[{&(0x7f0000000540)="886c9fed", 0x4}, {&(0x7f0000000580)}, {&(0x7f00000005c0)="4678e8e045cf80f4f77ede911e78e7bc1add0e7bd51753652a9540d0071a9be7e637b49bf2b78a716262e4d37a0b29b651a00b766888bca74e2ae5da06a2f16b4743876d1152c39681c5dd6e6f01666e53f682c87b8cd45cbb39c311f983331dc0edbc53aa8baf2f20268f80468cd3", 0x6f}, {&(0x7f0000000640)="d22d96244cd2c6587da1462588deb5d1e9de1e2849c3391d88a6cad075db82b120885ec9978254f9405c8a0685254746b8d347864012c20a34b673c529031148bab567f141d5f2a2e543033c83ff7b107850d57994367640a95738fc3a2df1ce1ad0b62afc992be052dd447ae0bc1cf2fe4c3f312d", 0x75}, {&(0x7f00000006c0)="e8a01c2dd5fcf82b23608feb7d7511507eb6eb865b318887114b534893bad48d96e0ea7a0e71878a556bf9c1c0100fb9e7cfed15", 0x34}], 0x5, &(0x7f0000000780)=ANY=[@ANYBLOB="e8000000000000001d010000080000007a61a7bdc43de1a60765a8815b22ee461b64eae02b63a4254c9dabda0aa6493e61060856c06040ccaeae9a965ee278ad0ed87d653ddff3ba64e9b21b24d7103dd2f021328aeb2bf305e435d609c901c8b5279776d61b4d58cacdb5ef5605304dc558ade81930c725ac5988e5e85e3952276a9256a3267c6c755517f6e87c898762c7dd2f0f2222071dc8a8ed73437e9272d41b8083b74b32f251551555f80c67451b09538a10e2b58ba85c2e698310e8c067d9609d116da2f99c30975afaf14b35ca5b4a0896ad26f8623c5fcc2c00000000000000000000"], 0xe8, 0x8001}, 0x4000081) recvmsg(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f00000000c0)=""/67, 0x43}], 0x1, &(0x7f0000000140)=""/32, 0x20}, 0x1) r3 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000940)={&(0x7f0000000900)='./file0/', 0x0, 0x10}, 0x10) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000980)={&(0x7f00000008c0)='./file0\x00', r3}, 0x10) 2018/04/01 11:59:17 executing program 4 (fault-call:1 fault-nth:2): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) [ 148.480869] FAULT_INJECTION: forcing a failure. [ 148.480869] name failslab, interval 1, probability 0, space 0, times 0 [ 148.492250] CPU: 1 PID: 11910 Comm: syz-executor1 Not tainted 4.16.0-rc6+ #43 [ 148.499529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.508886] Call Trace: [ 148.512094] dump_stack+0x194/0x24d [ 148.515821] ? arch_local_irq_restore+0x53/0x53 [ 148.520500] ? rcutorture_record_progress+0x10/0x10 [ 148.525528] should_fail+0x8c0/0xa40 [ 148.529250] ? kernel_text_address+0xd1/0xe0 [ 148.533681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 148.538794] ? unwind_get_return_address+0x61/0xa0 [ 148.543732] ? __save_stack_trace+0x7e/0xd0 [ 148.548167] ? print_irqtrace_events+0x270/0x270 [ 148.552937] ? save_stack+0xa3/0xd0 [ 148.556595] ? __lock_is_held+0xb6/0x140 [ 148.556774] FAULT_INJECTION: forcing a failure. [ 148.556774] name failslab, interval 1, probability 0, space 0, times 0 [ 148.560655] ? ext4_bread+0x8d/0x240 [ 148.560676] ? check_same_owner+0x320/0x320 [ 148.560685] ? __lock_acquire+0x664/0x3e00 [ 148.560698] ? rcu_note_context_switch+0x710/0x710 [ 148.560708] ? free_obj_work+0x690/0x690 [ 148.560720] should_failslab+0xec/0x120 [ 148.560729] __kmalloc+0x63/0x760 [ 148.560737] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 148.560745] ? ext4_find_extent+0x6ae/0x930 [ 148.560758] ext4_find_extent+0x6ae/0x930 [ 148.614115] ext4_ext_map_blocks+0x264/0x4410 [ 148.618595] ? jbd2_journal_get_write_access+0x83/0xa0 [ 148.623862] ? ext4_find_delalloc_cluster+0xc0/0xc0 [ 148.628865] ? find_held_lock+0x35/0x1d0 [ 148.632923] ? trace_hardirqs_off+0x10/0x10 [ 148.637241] ? trace_hardirqs_off+0x10/0x10 [ 148.641552] ? lock_downgrade+0x980/0x980 [ 148.645688] ? trace_hardirqs_off+0x10/0x10 [ 148.650000] ? lock_acquire+0x1d5/0x580 [ 148.653967] ? lock_acquire+0x1d5/0x580 [ 148.657925] ? ext4_map_blocks+0x377/0x1830 [ 148.662264] ? lock_release+0xa40/0xa40 [ 148.666229] ? check_same_owner+0x320/0x320 [ 148.670535] ? ext4_map_blocks+0xc14/0x1830 [ 148.674840] ? rcu_note_context_switch+0x710/0x710 [ 148.679754] ? __might_sleep+0x95/0x190 [ 148.683712] ? down_write+0x87/0x120 [ 148.687407] ? ext4_map_blocks+0x377/0x1830 [ 148.691719] ? down_read+0x150/0x150 [ 148.695416] ? ext4_free_inode+0x1740/0x1740 [ 148.699813] ext4_map_blocks+0xc90/0x1830 [ 148.703963] ? ext4_issue_zeroout+0x170/0x170 [ 148.708446] ? save_stack+0xa3/0xd0 [ 148.712058] ? save_stack+0x43/0xd0 [ 148.715666] ? __kasan_slab_free+0x11a/0x170 [ 148.720056] ? kasan_slab_free+0xe/0x10 [ 148.724027] ? kmem_cache_free+0x83/0x2a0 [ 148.728167] ? putname+0xee/0x130 [ 148.731608] ? filename_create+0x245/0x520 [ 148.735826] ? SyS_mkdir+0xd4/0x2a0 [ 148.739440] ext4_getblk+0x110/0x500 [ 148.743140] ? debug_check_no_obj_freed+0x3da/0xf1f [ 148.748141] ? ext4_iomap_begin+0x1150/0x1150 [ 148.752622] ? __dquot_initialize+0x2d2/0xb70 [ 148.757282] ext4_bread+0x8d/0x240 [ 148.760807] ? ext4_getblk+0x500/0x500 [ 148.764681] ext4_append+0x146/0x340 [ 148.768949] ext4_mkdir+0x571/0xcd0 [ 148.772648] ? putname+0xee/0x130 [ 148.776089] ? ext4_init_dot_dotdot+0x4d0/0x4d0 [ 148.780741] ? make_kprojid+0x30/0x30 [ 148.784526] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 148.789439] ? security_inode_permission+0xbb/0xf0 [ 148.794524] ? security_inode_mkdir+0xd0/0x110 [ 148.799092] vfs_mkdir+0x390/0x600 [ 148.802618] SyS_mkdir+0x220/0x2a0 [ 148.806147] ? SyS_mkdirat+0x2b0/0x2b0 [ 148.810020] ? do_syscall_64+0xb7/0x940 [ 148.813981] ? SyS_mkdirat+0x2b0/0x2b0 [ 148.817856] do_syscall_64+0x281/0x940 [ 148.821725] ? vmalloc_sync_all+0x30/0x30 [ 148.825869] ? _raw_spin_unlock_irq+0x27/0x70 [ 148.830357] ? finish_task_switch+0x1c1/0x7e0 [ 148.834850] ? syscall_return_slowpath+0x550/0x550 [ 148.839783] ? syscall_return_slowpath+0x2ac/0x550 [ 148.844697] ? prepare_exit_to_usermode+0x350/0x350 [ 148.849698] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 148.855049] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 148.859882] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 148.865055] RIP: 0033:0x454e79 [ 148.868227] RSP: 002b:00007fb9818eac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 148.875937] RAX: ffffffffffffffda RBX: 00007fb9818eb6d4 RCX: 0000000000454e79 [ 148.883194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 148.890449] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 148.897701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 148.904953] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000007 [ 148.912237] CPU: 0 PID: 11908 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 148.919575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.919894] FAULT_INJECTION: forcing a failure. [ 148.919894] name failslab, interval 1, probability 0, space 0, times 0 [ 148.928943] Call Trace: [ 148.928959] dump_stack+0x194/0x24d [ 148.928969] ? arch_local_irq_restore+0x53/0x53 [ 148.928983] should_fail+0x8c0/0xa40 [ 148.928991] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 148.929000] ? __kmalloc_track_caller+0x15e/0x760 [ 148.929010] ? strndup_user+0x62/0xb0 [ 148.929019] ? SyS_mount+0x6b/0x120 [ 148.929027] ? trace_hardirqs_off+0x10/0x10 [ 148.929042] ? proc_fail_nth_write+0x9b/0x1d0 [ 148.980766] ? map_files_get_link+0x3a0/0x3a0 [ 148.985248] ? find_held_lock+0x35/0x1d0 [ 148.989318] ? check_same_owner+0x320/0x320 [ 148.993620] ? lock_release+0xa40/0xa40 [ 148.997575] ? check_same_owner+0x320/0x320 [ 149.001879] ? rcu_note_context_switch+0x710/0x710 [ 149.006796] should_failslab+0xec/0x120 [ 149.010754] kmem_cache_alloc_trace+0x4b/0x740 [ 149.015319] ? kasan_check_write+0x14/0x20 [ 149.019543] ? _copy_from_user+0x99/0x110 [ 149.023677] copy_mount_options+0x5f/0x2e0 [ 149.027897] SyS_mount+0x87/0x120 [ 149.031355] ? copy_mnt_ns+0xb30/0xb30 [ 149.035237] do_syscall_64+0x281/0x940 [ 149.039117] ? vmalloc_sync_all+0x30/0x30 [ 149.043256] ? _raw_spin_unlock_irq+0x27/0x70 [ 149.047742] ? finish_task_switch+0x1c1/0x7e0 [ 149.052225] ? syscall_return_slowpath+0x550/0x550 [ 149.057142] ? syscall_return_slowpath+0x2ac/0x550 [ 149.062056] ? prepare_exit_to_usermode+0x350/0x350 [ 149.067060] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 149.072410] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 149.077258] entry_SYSCALL_64_after_hwframe+0x42/0xb7 2018/04/01 11:59:17 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$kcm(0x29, 0x6, 0x0) socketpair(0xf, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMATTACH(r1, 0x89e0, &(0x7f0000000080)={r0, r2}) 2018/04/01 11:59:17 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) bpf$BPF_MAP_GET_NEXT_ID(0xc, &(0x7f0000000000)=0x6, 0x4) 2018/04/01 11:59:17 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f00000003c0)={&(0x7f0000000400)='./file0\x00', 0x0, 0x14}, 0x11d) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r2 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000880)={&(0x7f0000000440)='./file0\x00'}, 0x10) recvmsg(r1, &(0x7f0000005e40)={&(0x7f0000004c40)=@hci={0x0, 0x0}, 0x80, &(0x7f0000005d80)=[{&(0x7f0000004cc0)=""/4096, 0x1000}, {&(0x7f0000005cc0)=""/32, 0x20}, {&(0x7f0000005d00)=""/45, 0x2d}, {&(0x7f0000005d40)=""/36, 0x24}], 0x4, &(0x7f0000005dc0)=""/102, 0x66, 0x8000}, 0x23) bpf$PROG_LOAD(0x5, &(0x7f0000005e80)={0xd, 0x6, &(0x7f00000008c0)=@raw=[@generic={0x2, 0x3, 0xfffffffffffffffc, 0x1}, @alu={0x4, 0x5, 0xf, 0xf, 0x2, 0x10}, @map={0x18, 0x1, 0x1, 0x0, r2}], &(0x7f0000000900)='syzkaller\x00', 0x3, 0x3d, &(0x7f0000000940)=""/61, 0x40f00, 0x1, [], r3}, 0x48) sendmsg(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000000200)="e395a99cd878ce7098515baf33ed20287a66977b58a1004085ff6d4d390b1a8e00230449da53a88839375448db5adf06f5eb9df55241dec5beebf709a411434986af6c0786e5dcb0acd5ecc55172796a1971c574cbb0bd1930fbf113b8191cda284ee9d4b54a118c7451687a337d7884b434320f8d12e0bc0d4416690f57cb50", 0x80}, {&(0x7f0000000280)="482fa06e2257bccf351db089fdb024533fc0c75b4b4244e100ca5731faa7a5b827a97b19f983c21557694ac9a073e0e66e1842a3234bdc23e9202c920eb1d1755d5c5440b69e6bf77972067fb42c3d40c19b0e7d1c4196270a8869e5b65bf6d3d44a6d1e394f164a15426fa02bfc689515918d3046a1a3bc106f5d14d4b510c943688c2de45a2a2f6aad", 0x8a}], 0x2, &(0x7f00000004c0)=ANY=[@ANYBLOB="88000000000000001a01000041f5ffff4213250ea8685a4e46aa5c104b8fc2d3376bea43cba87a3c20776cd16d92ca8608674f0bf0567745a262e3acf35cd404075e8c93d529a06bd0d3bd693bf2de89a4bc8f8acf71865c2bf46fef0bb8af7594cd4bb92acd9e1a7b7833f2910fb079fadadd2706e54b2fce15755dc8f9502c22000000000000008800000000000000ff0100000f000000c496431b89959f3624bd2dd99824ce355cbb8d1df0e7d4159202714984b05033993b02bb70736e0c94cdbbc099d6c4d66b4daef8644ce134092ba867d6c6471950a8d1c485c54003ac3995a3bcf52beb3860c0d9f007b72e59e99e3c366d76b19675285b2f9c4491d2df78d868d825c1f56ce6f300000000f0000000000000000f010000ff7f0000fff2283c33ded06ab9f029f4ef24ff07f02f7f06f0ad8a0d97e5a4dc3ef10a03ae851ab91fd3c37e7b1ebc1fab8fd7fc22f78ccd006e13aaebad190a8841213d7201193a416b0fc4eb25ccaacd36f5214ac9275c6b796e5c58f1ba9023cd6ebd74a7f1c203b26b46daea0a5900d0c8c5fc378c0e94d46055d29e626f6b96e0f09d3ec54adde7f595267b17ee2fb0b5e1fe6050f33eee28caabdde75236e4dc06c59c1e271f77c3b2ffe3cdab1eef36ed7f0080ed50db00d702e61ca1bbaa384193ec4f5760e7779cf477d11701cd2403458c9b4fee7e77a4874d5ce5df067800a80000000000000001000000010000009fb73f520a550fca47dfe7b41ebc9cc28904b8d0a73d5b5044f8591873500d3c2c1e23a8e28c1b3a7b0e704493ca05daf222d6df4fe5f7d3515e4db85607f79f500685d0d9a78620953bdf77520af254c6bc636ac3047598b6615ac290d3eed83391d5bb581b65af2570282a9e7d57aa24b613b708524943c0ec724a62817b5c67e0cfdcde5e7c990fd2b87cc5fe1f2b29267a67991738b0c8692fd520fe1161f2000000000000010000000000001201000001000000f140c7bd2ad6a6c0fcff6c0990090f98084622e773b020d47db97f26675a8b44632df9e07a2172b59def0faaa4df17975b1108d26278dea78945f61c39aecf9663aea3fa282f082cd23f40f02202188a760949a141683c685a1d57baa27cb1597cc8169c72bca91873fcf75fd5afa2d299263064e4d2517b54c5c582385473b570de5573866070067ea0a2a831790285c0db27d384466ecb79a711e17a7fbba9da3787fb06dd5a36a028d68b8a7fb73657933d6415029dfbf835d62264260e96d9332b69f9afce9f77c8a4fc34c7850a86ebe4b6214b6073928c9608447196f4cb42"], 0x3a8, 0x20000000}, 0xc000) socketpair$inet6(0xa, 0x2, 0xfffffffffffffffc, &(0x7f0000000000)) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000040)) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000180)={r0, 0x0, 0x96, 0x20, &(0x7f0000000080)="5342cd6a048a93764b2fac6c17e977c6c19bf8c94e7261478f8c00f451299874bcb2dab53fba9f4793d683d8b5ebf2c96acecea74a291c9748847e679dbb796226ce2062cf7b0a7efac0e3e3ebca65ec1f23616f27d5fc5fc6072eff45ae3137c41b15529858113dd8dad5f949b731698fe83946f7d83e6fb039c11c81750b9860c27e7282ad10daf848c625b8aa022dfd4b55e10906", &(0x7f0000000140)=""/32, 0x4, 0x2a295c83}, 0x28) [ 149.082434] RIP: 0033:0x454e79 [ 149.085610] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 149.093317] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 149.100570] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 149.108437] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 149.115692] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 149.122944] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000002 [ 149.130210] CPU: 1 PID: 11911 Comm: syz-executor7 Not tainted 4.16.0-rc6+ #43 [ 149.137486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.146840] Call Trace: [ 149.147493] syz-executor2[11909] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 149.149431] dump_stack+0x194/0x24d [ 149.149444] ? arch_local_irq_restore+0x53/0x53 [ 149.149455] ? lock_downgrade+0x980/0x980 [ 149.149468] should_fail+0x8c0/0xa40 [ 149.176492] ? trace_hardirqs_off+0x10/0x10 2018/04/01 11:59:18 executing program 6: socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000000000)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) 2018/04/01 11:59:18 executing program 1 (fault-call:0 fault-nth:8): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:18 executing program 4 (fault-call:1 fault-nth:3): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) [ 149.180834] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 149.185955] ? is_bpf_text_address+0xa4/0x120 [ 149.190464] ? find_held_lock+0x35/0x1d0 [ 149.194545] ? check_same_owner+0x320/0x320 [ 149.198872] ? putname+0xee/0x130 [ 149.202331] ? filename_lookup+0x315/0x500 [ 149.206575] ? user_path_at_empty+0x40/0x50 [ 149.210903] ? rcu_note_context_switch+0x710/0x710 [ 149.215236] EXT4-fs (sda1): re-mounted. Opts: (null) [ 149.215837] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 149.215852] should_failslab+0xec/0x120 [ 149.230703] kmem_cache_alloc+0x47/0x760 [ 149.234774] ? free_obj_work+0x690/0x690 [ 149.238843] alloc_vfsmnt+0xe0/0x9c0 [ 149.242561] ? path_lookupat+0x238/0xba0 [ 149.246633] ? mnt_free_id.isra.21+0x50/0x50 [ 149.251050] ? trace_hardirqs_off+0x10/0x10 [ 149.255374] ? putname+0xee/0x130 [ 149.258837] ? putname+0xee/0x130 [ 149.262294] ? rcu_read_lock_sched_held+0x108/0x120 [ 149.267327] ? find_held_lock+0x35/0x1d0 [ 149.271399] ? __get_fs_type+0x8a/0xc0 [ 149.275295] ? lock_downgrade+0x980/0x980 [ 149.279459] ? module_unload_free+0x5b0/0x5b0 [ 149.279820] FAULT_INJECTION: forcing a failure. [ 149.279820] name failslab, interval 1, probability 0, space 0, times 0 [ 149.283951] ? lock_release+0xa40/0xa40 [ 149.283963] ? mpi_resize+0x200/0x200 [ 149.283976] vfs_kern_mount.part.26+0x84/0x4a0 [ 149.283985] ? may_umount+0xa0/0xa0 [ 149.283995] ? _raw_read_unlock+0x22/0x30 [ 149.284006] ? __get_fs_type+0x8a/0xc0 [ 149.284018] do_mount+0xea4/0x2bb0 [ 149.284031] ? copy_mount_string+0x40/0x40 [ 149.284041] ? rcu_pm_notify+0xc0/0xc0 [ 149.284054] ? copy_mount_options+0x5f/0x2e0 [ 149.284063] ? rcu_read_lock_sched_held+0x108/0x120 [ 149.284072] ? kmem_cache_alloc_trace+0x459/0x740 [ 149.284082] ? kasan_check_write+0x14/0x20 [ 149.284093] ? copy_mount_options+0x1f7/0x2e0 [ 149.284106] SyS_mount+0xab/0x120 [ 149.357181] ? copy_mnt_ns+0xb30/0xb30 [ 149.361058] do_syscall_64+0x281/0x940 [ 149.365191] ? vmalloc_sync_all+0x30/0x30 [ 149.369326] ? _raw_spin_unlock_irq+0x27/0x70 [ 149.373808] ? finish_task_switch+0x1c1/0x7e0 [ 149.378295] ? syscall_return_slowpath+0x550/0x550 [ 149.383213] ? syscall_return_slowpath+0x2ac/0x550 [ 149.388128] ? prepare_exit_to_usermode+0x350/0x350 [ 149.393131] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 149.398496] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 149.403342] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 149.408662] RIP: 0033:0x454e79 [ 149.411833] RSP: 002b:00007f78998c2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 149.419530] RAX: ffffffffffffffda RBX: 00007f78998c36d4 RCX: 0000000000454e79 [ 149.426874] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 149.434149] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 149.441409] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 149.448665] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000006 [ 149.455948] CPU: 0 PID: 11931 Comm: syz-executor1 Not tainted 4.16.0-rc6+ #43 [ 149.463224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.472582] Call Trace: [ 149.475177] dump_stack+0x194/0x24d [ 149.476443] FAULT_INJECTION: forcing a failure. [ 149.476443] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 149.478809] ? arch_local_irq_restore+0x53/0x53 [ 149.495260] ? lock_downgrade+0x980/0x980 [ 149.499397] ? queue_io+0x840/0x840 [ 149.503017] should_fail+0x8c0/0xa40 [ 149.506713] ? __lock_is_held+0xb6/0x140 [ 149.510767] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 149.515857] ? __mark_inode_dirty+0x262/0x1170 [ 149.520422] ? __inode_attach_wb+0xf70/0xf70 [ 149.524814] ? lock_release+0xa40/0xa40 [ 149.528770] ? trace_hardirqs_off+0x10/0x10 [ 149.533084] ? __lock_is_held+0xb6/0x140 [ 149.537134] ? check_same_owner+0x320/0x320 [ 149.541439] ? __dquot_alloc_space+0x18b/0x800 [ 149.546016] ? rcu_note_context_switch+0x710/0x710 [ 149.550937] should_failslab+0xec/0x120 [ 149.554896] kmem_cache_alloc+0x47/0x760 [ 149.559910] ? percpu_counter_add_batch+0xce/0x130 [ 149.564834] ext4_mb_new_blocks+0x69e/0x3e40 [ 149.569233] ? lock_release+0xa40/0xa40 [ 149.573193] ? unwind_next_frame.part.6+0x1a6/0xb40 [ 149.578203] ? unwind_dump+0x4d0/0x4d0 [ 149.582082] ? ext4_discard_preallocations+0x11f0/0x11f0 [ 149.587702] ? is_bpf_text_address+0xa4/0x120 [ 149.592185] ? kernel_text_address+0xd1/0xe0 [ 149.596574] ? __unwind_start+0x169/0x330 [ 149.600705] ? __kernel_text_address+0xd/0x40 [ 149.605181] ? unwind_get_return_address+0x61/0xa0 [ 149.610091] ? __save_stack_trace+0x7e/0xd0 [ 149.614408] ? save_stack+0xa3/0xd0 [ 149.618040] ? save_stack+0x43/0xd0 [ 149.621653] ? kasan_kmalloc+0xad/0xe0 [ 149.625528] ? __kmalloc+0x162/0x760 [ 149.629235] ? ext4_find_extent+0x6ae/0x930 [ 149.633545] ? ext4_ext_map_blocks+0x264/0x4410 [ 149.638197] ? ext4_map_blocks+0xc90/0x1830 [ 149.642497] ? ext4_getblk+0x110/0x500 [ 149.646367] ? ext4_bread+0x8d/0x240 [ 149.650153] ? ext4_append+0x146/0x340 [ 149.654023] ? ext4_mkdir+0x571/0xcd0 [ 149.657804] ? vfs_mkdir+0x390/0x600 [ 149.661497] ? SyS_mkdir+0x220/0x2a0 [ 149.665196] ? do_syscall_64+0x281/0x940 [ 149.669255] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 149.674606] ? print_irqtrace_events+0x270/0x270 [ 149.679344] ? save_stack+0xa3/0xd0 [ 149.682959] ? print_irqtrace_events+0x270/0x270 [ 149.687697] ? trace_hardirqs_off+0x10/0x10 [ 149.692001] ? __lock_is_held+0xb6/0x140 [ 149.696045] ? ext4_bread+0x8d/0x240 [ 149.699751] ? __lock_is_held+0xb6/0x140 [ 149.703802] ? rcu_read_lock_sched_held+0x108/0x120 [ 149.708800] ? __kmalloc+0x46e/0x760 [ 149.712496] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 149.717669] ? ext4_find_extent+0x6ae/0x930 [ 149.721976] ? ext4_ext_search_right+0x40c/0xaa0 [ 149.726711] ? ext4_inode_to_goal_block+0x2ac/0x3b0 [ 149.731713] ext4_ext_map_blocks+0x209e/0x4410 [ 149.736287] ? ext4_find_delalloc_cluster+0xc0/0xc0 [ 149.741285] ? find_held_lock+0x35/0x1d0 [ 149.745342] ? trace_hardirqs_off+0x10/0x10 [ 149.749655] ? trace_hardirqs_off+0x10/0x10 [ 149.753956] ? lock_downgrade+0x980/0x980 [ 149.758087] ? trace_hardirqs_off+0x10/0x10 [ 149.762394] ? lock_acquire+0x1d5/0x580 [ 149.766348] ? lock_acquire+0x1d5/0x580 [ 149.770310] ? ext4_map_blocks+0x377/0x1830 [ 149.774620] ? lock_release+0xa40/0xa40 [ 149.778578] ? check_same_owner+0x320/0x320 [ 149.782883] ? ext4_map_blocks+0xc14/0x1830 [ 149.787188] ? rcu_note_context_switch+0x710/0x710 [ 149.792104] ? down_write+0x87/0x120 [ 149.795807] ext4_map_blocks+0xc90/0x1830 [ 149.799941] ? ext4_issue_zeroout+0x170/0x170 [ 149.804417] ? save_stack+0xa3/0xd0 [ 149.808027] ? save_stack+0x43/0xd0 [ 149.811634] ? __kasan_slab_free+0x11a/0x170 [ 149.816024] ? kasan_slab_free+0xe/0x10 [ 149.819980] ? kmem_cache_free+0x83/0x2a0 [ 149.824112] ? putname+0xee/0x130 [ 149.827551] ? filename_create+0x245/0x520 [ 149.831773] ? SyS_mkdir+0xd4/0x2a0 [ 149.835581] ext4_getblk+0x110/0x500 [ 149.839284] ? debug_check_no_obj_freed+0x3da/0xf1f [ 149.844291] ? ext4_iomap_begin+0x1150/0x1150 [ 149.848775] ? __dquot_initialize+0x2d2/0xb70 [ 149.853257] ext4_bread+0x8d/0x240 [ 149.856781] ? ext4_getblk+0x500/0x500 [ 149.860656] ext4_append+0x146/0x340 [ 149.864360] ext4_mkdir+0x571/0xcd0 [ 149.867969] ? putname+0xee/0x130 [ 149.871415] ? ext4_init_dot_dotdot+0x4d0/0x4d0 [ 149.876068] ? make_kprojid+0x30/0x30 [ 149.879854] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 149.884791] ? security_inode_permission+0xbb/0xf0 [ 149.889794] ? security_inode_mkdir+0xd0/0x110 [ 149.894371] vfs_mkdir+0x390/0x600 [ 149.897898] SyS_mkdir+0x220/0x2a0 [ 149.901945] ? SyS_mkdirat+0x2b0/0x2b0 [ 149.905818] ? do_syscall_64+0xb7/0x940 [ 149.909779] ? SyS_mkdirat+0x2b0/0x2b0 [ 149.913650] do_syscall_64+0x281/0x940 [ 149.917521] ? vmalloc_sync_all+0x30/0x30 [ 149.921655] ? _raw_spin_unlock_irq+0x27/0x70 [ 149.926136] ? finish_task_switch+0x1c1/0x7e0 [ 149.930612] ? syscall_return_slowpath+0x550/0x550 [ 149.936344] ? syscall_return_slowpath+0x2ac/0x550 [ 149.941266] ? prepare_exit_to_usermode+0x350/0x350 [ 149.946268] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 149.951618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 149.956448] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 149.961618] RIP: 0033:0x454e79 [ 149.964787] RSP: 002b:00007fb9818eac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 149.972481] RAX: ffffffffffffffda RBX: 00007fb9818eb6d4 RCX: 0000000000454e79 [ 149.979734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 2018/04/01 11:59:18 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:18 executing program 6: ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000034c0)={0xffffffffffffff9c}) socketpair(0x1, 0x807, 0x116b, &(0x7f0000003500)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) ioctl$sock_kcm_SIOCKCMUNATTACH(r0, 0x89e1, &(0x7f0000003540)={r1}) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) [ 149.986990] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 149.994252] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 150.001526] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000008 [ 150.008801] CPU: 1 PID: 11933 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 150.016084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.025436] Call Trace: [ 150.028029] dump_stack+0x194/0x24d [ 150.031659] ? arch_local_irq_restore+0x53/0x53 [ 150.036336] should_fail+0x8c0/0xa40 [ 150.040056] ? is_bpf_text_address+0x7b/0x120 [ 150.044553] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 150.049665] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 150.054871] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 150.060068] ? rcutorture_record_progress+0x10/0x10 [ 150.065088] ? is_bpf_text_address+0xa4/0x120 [ 150.069609] ? kernel_text_address+0xd1/0xe0 [ 150.074017] ? __unwind_start+0x169/0x330 [ 150.078167] ? __kernel_text_address+0xd/0x40 [ 150.082664] ? __save_stack_trace+0x7e/0xd0 [ 150.086992] ? should_fail+0x23b/0xa40 [ 150.090881] ? save_stack+0xa3/0xd0 [ 150.094512] __alloc_pages_nodemask+0x327/0xdd0 [ 150.099185] ? trace_hardirqs_off+0x10/0x10 [ 150.103517] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 150.108541] ? find_held_lock+0x35/0x1d0 [ 150.112616] ? check_same_owner+0x320/0x320 [ 150.116937] ? lock_release+0xa40/0xa40 [ 150.120916] ? check_same_owner+0x320/0x320 [ 150.125244] cache_grow_begin+0x72/0x640 [ 150.129312] kmem_cache_alloc_trace+0x3f1/0x740 [ 150.133985] ? kasan_check_write+0x14/0x20 [ 150.138229] copy_mount_options+0x5f/0x2e0 [ 150.142556] SyS_mount+0x87/0x120 [ 150.146010] ? copy_mnt_ns+0xb30/0xb30 [ 150.149904] do_syscall_64+0x281/0x940 [ 150.153795] ? vmalloc_sync_all+0x30/0x30 [ 150.157947] ? _raw_spin_unlock_irq+0x27/0x70 [ 150.162447] ? finish_task_switch+0x1c1/0x7e0 [ 150.166951] ? syscall_return_slowpath+0x550/0x550 [ 150.171888] ? syscall_return_slowpath+0x2ac/0x550 [ 150.176826] ? prepare_exit_to_usermode+0x350/0x350 [ 150.181869] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 150.187237] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 150.192075] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 150.197260] RIP: 0033:0x454e79 [ 150.200429] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 150.208114] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 150.215362] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 150.222608] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 150.229857] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 2018/04/01 11:59:19 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x0, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:19 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r3, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r3, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r5}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r3, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) r6 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xf, 0xe, &(0x7f00000003c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0xa12, 0xf, 0xa, 0x0, 0x2, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0xc}, @alu={0x7, 0x10000, 0x7, 0xf, 0x5, 0xfffffffc, 0x4}, @alu={0x0, 0x4207acd2, 0x4, 0xf, 0x2, 0x3c, 0x1}, @jmp={0x5, 0x2, 0xb, 0xd, 0x9, 0xffffffff, 0x4}, @call={0x85, 0x0, 0x0, 0x2a}], &(0x7f0000000440)='syzkaller\x00', 0x1, 0x25, &(0x7f0000000480)=""/37, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000540)=r6, 0x4) r7 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r7, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:19 executing program 4 (fault-call:1 fault-nth:4): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:19 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:19 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x7, 0x83a2, 0x7, 0x2b8, 0x10, 0xffffffffffffffff, 0x6}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000380)={r0, &(0x7f0000000240)="f5d34cb47b6e862a3e3a", &(0x7f0000000280)="79dcc448bad4a980795b06676de90ce9cad6b955dc8c0b60fde3af609421b88af86df67b1056a573579aa7685a7e19b68f52c117cc25babb503b1460161dbd626340babe53eacd7f8243d8748d58b379b8260fa06be3d0f86b1d946953750fdb241d8e3ca3994fb114dece89c39fc62c08a826d6697c9598bb5649cc5ce99abd55e8a366b4d2f4f2516a8d00b913683095f62b918d6570725749318f839bc1b65e54d3af7c63397914e50b1e761e23eb67c907574a96c45ce701cd62dd50fdc81a073e3d47a33989fa85dbfd19c52fbe9eb6b414e3afc15c79487f98f49d4dda367e11a02e00b595e584af6b18", 0x2}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000400)={r0, &(0x7f0000000440)="eaf969107787f36cf4d0bd6aeb11160fec05e9a8c72bac536507b73fd14454df8d6a9f400d8ff62e84769ba7a98f5b8cd2d90862de1aece6620fa49c624f63e6763466448f29c7e561601e2f98ba8d460c226660522947e24f7bae4a712f331e0ef60ba61723930a9a2d690e802db528242f05d6e7fb8f0095821ca94b1a0ffd48ad27483dac5c6293aede621d85ba80b59060476808b6996c0e1dd05b57b7339a20c43517ff2141386110c093e2c83b20e93089c2caa2af183656773e", &(0x7f0000000600)="152cb28b627f0e619bc021719d357b176f5c224699236b7ff9aba00fb6a2cb1391e3050497ecdadfdf256cac1a6b85dfd56702fc9f835ff457bcad8e45c48b4d0ffb6c5ca32c935ab0314a3a98fb9c344d59dae353ce94fc95a24907806bcdda4ff523dcf2817f5b2bb207f3f7ad36d4f81d4993b800feb8c218aa0267e5fe53966cc3941b5bf424f1114fcdff3e7cd51acf5454547cfd99fa248e97dd5bd83325ddb152001f8b33aa1e1c8c598965b124f6165eb7a109d15bbf72beda426db3ec5d7109772a52c713cba5fb21b1b492b33eb7d8cefe0dc29986b03e952d576b27133ebd3a2356156d440268133e29c702b2102c1f1f07f5c466d2e834c31dc3b985ffa67ade8e7a4434232e81d6c4e8aaacd01d46d0dcf51fe371ce5fc4c338ff39a3e99c0492cff9634cedf59ebbfdca6b9eb7730ba4e5dbc38e26f39d3d79dd3b2e1ec31d642f44189f076045ef0759cc76fe98b7956e47e48cbc3923d90a362be08d6ca0fb0f2fd514877dcd1fdd520e84bcf28b6a821af41f79aa00000000000000f76d42f0b61d77f2cb43d49635c113b7a5", 0x2}, 0xfffb) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f00000001c0)={r0, &(0x7f0000000080)="52e519abef6e6bf37b5078c8a65fe8db7ee0e06029042612190dac86d6c09981d89133102855278f6bb1a465ebf86b7a0adf47f20673e28cbcd32190d76e06feb69afd33a801df2e3fe5fc7e329b05c97ebe24410d0b8e2c78873fb161938584d5c21133e28c25c60b1514bf7bddaac4b089c2e5d17dea0a4682c84918817c688a03ac009f75c19866c4", &(0x7f0000000140)=""/71}, 0x18) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000200)) 2018/04/01 11:59:19 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000080)='./file0\x00', 0x0, 0x14}, 0x10) 2018/04/01 11:59:19 executing program 1 (fault-call:0 fault-nth:9): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:19 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0xfffffffffffffffe) socketpair(0xa, 0x800, 0x7, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000100)={r1, 0x50, &(0x7f0000000040)}, 0x10) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f00000002c0)={r0, &(0x7f0000000140)="75348b6c034e020b0fc5d8c5a7aba3ec4d10c680ef5f8d5a690c3f1daf531e24453232d06fa75a9e49b8bbd7aa717f9af6a5941b5bef543c54bc1aa2f767b25e5f3f7d6ed84a13a96a45da0c538c5f2f48b28863547b9ae816ac299621ee46db35ec7918d934ca26", &(0x7f00000001c0)=""/235}, 0x18) ioctl$sock_kcm_SIOCKCMUNATTACH(r0, 0x89e1, &(0x7f0000000300)={r1}) [ 150.237104] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000003 [ 150.263891] syz-executor2[11947] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 150.266244] EXT4-fs (sda1): re-mounted. Opts: (null) [ 150.311893] FAULT_INJECTION: forcing a failure. [ 150.311893] name failslab, interval 1, probability 0, space 0, times 0 [ 150.323305] CPU: 0 PID: 11955 Comm: syz-executor1 Not tainted 4.16.0-rc6+ #43 [ 150.330585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.333512] FAULT_INJECTION: forcing a failure. [ 150.333512] name failslab, interval 1, probability 0, space 0, times 0 [ 150.339933] Call Trace: [ 150.339953] dump_stack+0x194/0x24d [ 150.339965] ? arch_local_irq_restore+0x53/0x53 [ 150.339977] ? save_stack+0x43/0xd0 [ 150.339986] ? __kasan_slab_free+0x11a/0x170 [ 150.339996] ? kasan_slab_free+0xe/0x10 [ 150.340005] ? kfree+0xd9/0x260 [ 150.340015] ? ext4_ext_map_blocks+0x1754/0x4410 [ 150.340026] should_fail+0x8c0/0xa40 [ 150.340040] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 150.390741] ? print_irqtrace_events+0x270/0x270 [ 150.395483] ? free_obj_work+0x690/0x690 [ 150.399526] ? trace_hardirqs_off+0x10/0x10 [ 150.403838] ? __lock_is_held+0xb6/0x140 [ 150.407887] ? rcu_read_lock_sched_held+0x108/0x120 [ 150.412885] ? ext4_ext_map_blocks+0x1803/0x4410 [ 150.417627] should_failslab+0xec/0x120 [ 150.421586] kmem_cache_alloc+0x47/0x760 [ 150.425729] ? ext4_find_delalloc_cluster+0xc0/0xc0 [ 150.430726] ? find_held_lock+0x35/0x1d0 [ 150.434769] ? ext4_es_can_be_merged+0x8d/0x260 [ 150.439419] ? __es_tree_search+0x181/0x1e0 [ 150.443725] __es_insert_extent+0x2a3/0x1050 [ 150.448122] ? ext4_es_free_extent+0x7e0/0x7e0 [ 150.452693] ? lock_release+0xa40/0xa40 [ 150.456651] ? __lock_is_held+0xb6/0x140 [ 150.460702] ext4_es_insert_extent+0x296/0x720 [ 150.465265] ? lock_release+0xa40/0xa40 [ 150.469223] ? ext4_es_find_delayed_extent_range+0xae0/0xae0 [ 150.475002] ? rcu_note_context_switch+0x710/0x710 [ 150.479922] ? down_write+0x87/0x120 [ 150.484148] ext4_map_blocks+0x5a3/0x1830 [ 150.488291] ? ext4_issue_zeroout+0x170/0x170 [ 150.492773] ? save_stack+0xa3/0xd0 [ 150.496384] ? save_stack+0x43/0xd0 [ 150.500080] ? __kasan_slab_free+0x11a/0x170 [ 150.504478] ? kasan_slab_free+0xe/0x10 [ 150.508435] ? kmem_cache_free+0x83/0x2a0 [ 150.512567] ? putname+0xee/0x130 [ 150.516002] ? filename_create+0x245/0x520 [ 150.520221] ? SyS_mkdir+0xd4/0x2a0 [ 150.523835] ext4_getblk+0x110/0x500 [ 150.527533] ? debug_check_no_obj_freed+0x3da/0xf1f [ 150.532537] ? ext4_iomap_begin+0x1150/0x1150 [ 150.537021] ? __dquot_initialize+0x2d2/0xb70 [ 150.541514] ext4_bread+0x8d/0x240 [ 150.545039] ? ext4_getblk+0x500/0x500 [ 150.548920] ext4_append+0x146/0x340 [ 150.552623] ext4_mkdir+0x571/0xcd0 [ 150.556243] ? putname+0xee/0x130 [ 150.559701] ? ext4_init_dot_dotdot+0x4d0/0x4d0 [ 150.564369] ? make_kprojid+0x30/0x30 [ 150.568154] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 150.573070] ? security_inode_permission+0xbb/0xf0 [ 150.578003] ? security_inode_mkdir+0xd0/0x110 [ 150.582577] vfs_mkdir+0x390/0x600 [ 150.586111] SyS_mkdir+0x220/0x2a0 [ 150.589637] ? SyS_mkdirat+0x2b0/0x2b0 [ 150.593507] ? do_syscall_64+0xb7/0x940 [ 150.597466] ? SyS_mkdirat+0x2b0/0x2b0 [ 150.601347] do_syscall_64+0x281/0x940 [ 150.605220] ? vmalloc_sync_all+0x30/0x30 [ 150.609353] ? _raw_spin_unlock_irq+0x27/0x70 [ 150.613829] ? finish_task_switch+0x1c1/0x7e0 [ 150.618312] ? syscall_return_slowpath+0x550/0x550 [ 150.623572] ? syscall_return_slowpath+0x2ac/0x550 [ 150.628485] ? prepare_exit_to_usermode+0x350/0x350 [ 150.633484] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 150.638835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 150.643664] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 150.648837] RIP: 0033:0x454e79 [ 150.652011] RSP: 002b:00007fb9818eac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 150.659975] RAX: ffffffffffffffda RBX: 00007fb9818eb6d4 RCX: 0000000000454e79 [ 150.667230] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 150.674483] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 150.681735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 150.688987] R13: 00000000000003ea R14: 00000000006f7e90 R15: 0000000000000009 [ 150.696267] CPU: 1 PID: 11962 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 150.703541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 2018/04/01 11:59:19 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000340)={&(0x7f0000000100)=@ax25, 0x80, &(0x7f0000000280)=[{&(0x7f0000000180)=""/80, 0x50}, {&(0x7f0000000200)=""/115, 0x73}], 0x2, &(0x7f00000002c0)=""/101, 0x65, 0x11c2}, 0x160) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0xa, 0x7, &(0x7f0000000380)=ANY=[@ANYBLOB="18000000fafb0000000000008000050000000000", @ANYRES32=0x1, @ANYBLOB="0000000000000000181a0000", @ANYRES32, @ANYBLOB="00000000000000009500000000000000"], &(0x7f00000003c0)='GPL\x00', 0xffffffffffffffc0, 0x4f, &(0x7f0000000400)=""/79, 0x41100, 0x1}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r1, 0x0, 0x3f, 0xfc, &(0x7f0000000500)="8be8911e57109eac7e4696ec58af9d803c5e6953b91fd91a5df4fcc913c55183332cdd49d80a61293cfa9377013153282224c1b6296547fb190a4a3bd6b70f", &(0x7f0000000540)=""/252, 0x3, 0xffffffff}, 0x28) bpf$OBJ_GET_PROG(0x7, &(0x7f00000000c0)={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x10) [ 150.712894] Call Trace: [ 150.715485] dump_stack+0x194/0x24d [ 150.719120] ? arch_local_irq_restore+0x53/0x53 [ 150.723804] should_fail+0x8c0/0xa40 [ 150.727526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 150.732633] ? lock_release+0xa40/0xa40 [ 150.736613] ? unwind_dump+0x4d0/0x4d0 [ 150.740517] ? find_held_lock+0x35/0x1d0 [ 150.744607] ? check_same_owner+0x320/0x320 [ 150.748938] ? rcu_note_context_switch+0x710/0x710 [ 150.753875] should_failslab+0xec/0x120 [ 150.757850] kmem_cache_alloc+0x47/0x760 2018/04/01 11:59:19 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000000)) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000080)) bpf$BPF_MAP_GET_NEXT_ID(0xc, &(0x7f00000000c0)=0x3, 0x4) 2018/04/01 11:59:19 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x3, 0x70, 0x1, 0x4, 0x3, 0x800, 0x0, 0x31c6, 0x13000, 0x6, 0xeca7, 0x8001, 0x3ff, 0x1000, 0x7, 0x7f, 0x36c89596, 0x3d, 0x4, 0x7fff, 0x954, 0xfff, 0x101, 0x2, 0x80, 0x1, 0x7b1, 0x1, 0x5, 0x9, 0x1ff, 0xffffffff00000001, 0x2, 0x8000, 0x1, 0xffff, 0x1, 0x3, 0x0, 0x1, 0x7, @perf_config_ext={0x1, 0xe7}, 0x20, 0x9, 0x5, 0x0, 0x3, 0x3, 0xbc}, 0xffffffffffffffff, 0x6, 0xffffffffffffffff, 0x2) ioctl$PERF_EVENT_IOC_ID(r0, 0x80082407, &(0x7f0000000100)) mkdir(&(0x7f00000000c0)='./file0/', 0x0) mkdir(&(0x7f0000000000)='./file0/', 0x6) 2018/04/01 11:59:19 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) bpf$BPF_MAP_GET_NEXT_ID(0xc, &(0x7f0000000080)=0x2, 0x4) 2018/04/01 11:59:19 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg(r0, &(0x7f0000000b80)={&(0x7f0000000580)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x4e21, @multicast1=0xe0000001}, 0x3, 0x3, 0x1, 0x3}}, 0x80, &(0x7f0000000a40)=[{&(0x7f0000000600)="5f530400e2b2fde0b46e856273b06763c0389e013dc34405e138c44fe1fbf51a8810440913b48fe4ed722c6d4cb9b00dc8692b8f846e48a360527c2a3848006227f5669df4a5a7925843948192b87d8f4c3e3e2fd3f82b35eda97a06d159bf53fcb3b0b6b96877aa036726d692879aced6ec86a37eb20b26f612dbf2d7c88b46723f440eb7f0050167a8dad278883af075f2f7fe779e9342b7bc2edd3c35215c0ef1b33992bbc0004220170a69b4f9b610cb335a81d84b9eb2", 0xb9}, {&(0x7f00000006c0)="b3a90a9468fc575f7b87e13e55168649d3bc3ef28423885d79f517b223f94c31a8b6941702c25601be3b04ee8ba57170bacdab36e74c5e1610a1534bfb86e78101023b478e286aade37e3315f8bf53b15a08219ce4e63b07fb095a94d8431e026771115668e613ec63ac0a89877a31981aa93b9664adc34a7b0e0e36d2427c6c21535629362f9400e12aeb07cf0ed572a6f4211a57c62758d6107776520f539fc07eaedc62c4673e0f203dbd96799e8af6f309cb0788", 0xb6}, {&(0x7f0000000780)="5f5bebeaa5f642b2c149c1445bb5156ddde013051e47323faf176ffef1f61976172bf87612e553b787a28382e28d897d29d1c9cecfebde1536929ddc0e50614058acc7259e88a4f0ec76595bfeefbed77ac637b1042239c26e409a63e13c1bc7aaedc6cf8c21080180", 0x69}, {&(0x7f0000000800)="b6f1a460b59f330887bdd3671ddb16ce1f4f7438584cc9e3ed6aa0842a6ed14e27804a4372b6e424baf853caf8edec13ca8920fac93d45c400387d58d1d6231caac99acc4e13864f378bb445838f7e56d2608e78fc7b5c82414878be217037a792669bc40a099ff7c1da60007ff9a2d068df2de75462da7b6d13fbc9a197a0a3da7aabcb283b880e572ac094b51271e6129c9a62687bd265439fce3eed6bf1e8245317cc347c13eacfd71723b0fe7af9ce0dc4e1a4f24c28b76571c35d78f817d226e75db66bbdd38bce567ad44a3f1f13cf21cbb85122fdffbc7966e5e79052f1d9c20118f9c024712806ae7b827411", 0xf0}, {&(0x7f0000000900)="ea7661562dd25ea717fe2b9937cce1d621812a7f9bf3c73734fcdb790845e12be39c5e2d3ec74b3f7a01455910372a2d4027", 0x32}, {&(0x7f0000000940)="0789e4308bb88e9322ca04374c7d9ef38f2fc26dfc097da1f8817cc7e18076501f841a16bfc72b8d1415a0cd52f745432b387231d8e6ed3a24965995b69036387f4a0de7bae978ee1b6d8fdec5b2d4ab5deaf248c2e1028134ea5f9149dbcbd395ef732c66ac24aab93d87c1b6b2c731951de69b48c3fc2724c84ef9af87c614865becbed0675896a7884dd1176247428b4abd115384440455a32ffda1c5c2cfdd54f7c53ae46a5299126f994d3f34c7e333259a21f53a52f81b82d7365fdad98edf93785b035cd8f05b5a79042b6173e5abc9676bb86fc443b86cde485854426a32f0a5da57ad420936bd", 0xeb}], 0x6, &(0x7f0000000280)=ANY=[@ANYBLOB="9000ebffffffffffffff0000ff7f0000fd8b286eb560c530f60c96371e9037d8f6ed457b8f807f1fb22c286cd57ba405ed7ec8f4f524f8652a4034e5a6be78be3c5b62b9e3a82a6416ef113b1ec047367ecb06452d0896784cb3f64599f5c1040844e5cdcd0edcff1c6db4ae6be453493d42eed9223769b8cf17e34612bacfee95fe737f8c131811989528f185380000216be73a4c251d12d37de7d4be835de5f6279c4a4a67f28fdc7b0bf5748d1a64757abdd63b5d"], 0x90, 0x1}, 0x5) recvmsg(r2, &(0x7f00000004c0)={&(0x7f00000003c0)=@pppol2tpin6, 0x80, &(0x7f0000000440)=[{&(0x7f0000000bc0)=""/234, 0xea}], 0x1, &(0x7f0000000cc0)=""/4096, 0x1000, 0xffffffffffff0000}, 0x10060) sendmsg(r1, &(0x7f0000002240)={&(0x7f0000000500)=@ipx={0x4, 0x1, 0x4, "e82ef5c90f9d", 0xfc}, 0x80, &(0x7f0000001e00)=[{&(0x7f0000000ac0)="7a404324552e1a50fd181615b1b36a577a253789e84ce3d158af8a1e31843a0d28c657de264637fa3a507b5ff7eae18c35d44098f37047de4ed13b337225f540fae389009d4066fa787a1441793a57c02af8e89284df50905cc76f11c654ff02643895b2abe7b8b0c6985c66315919d248f286f3fe8081ce067710d88cde6da8e4826ca4af5e4ef5e0f2fdce18b49c6acdc9d12d95e8fe1455b2d13350cd38b1c9bd8cbe77cd9f", 0xa7}, {&(0x7f0000001cc0)="35497c3643cd2ba610dabcd7a6a92bff2c74860467a400b461082a914fc90edf17d70fe6c5d48d7a33c01bc6d665cf1f0d8eee0f67f682bd27f562e7d345d48a69b8c974a9e46a6de6884f9d025162b02fdf20e891a9134740c7c16e2413fadc67238461ca33de1b5feb0c8cc0e78a1441d182f3fa0bbf9ae457272ec2a3911461e548f6211b", 0x86}, {&(0x7f0000001d80)="9fd75d8bb032bb7838dca3cdac4aa7bc2ce1d6cf11007fb645be81ae01a6755fac10b16c72bb0bff65f9dd366f5e4f2555391c782b9ec94f9923d2cba9fd2a667a27a6eecaa800e6446362ab5f62b04b95a57c39977643d20ebbf6a55aed49a700ef21", 0x63}], 0x3, &(0x7f0000001e40)=[{0xf0, 0x117, 0x7c, "b573a7a3cd03eab144b3dce051c26252b4affc0523fa4c99509ec347937927dd8358b872fca67e239d637613a7234b2aac8f0e41a19e1d51c6f87be73f74b480e539d9a9e3b6f3cb114cf55e1e1f08725c5577afc1df7fdd45e4d81f5f284321e635cdd9590ee93a973d223184c085134624256d82489d7cd1f6a602db547a146ded17dc9f74d35497b3b3e7565f0506f08998fa72376e3c42ed2dc71f288da2b8b9b20f697e174937ed061afc8fea22abe66d157847e12d84892ca921b5a2d166e087c2b924157aaa90a1c7d9745dde21685cfcf679d9b7545605b625f0bd59"}, {0x70, 0x0, 0x1, "4c8dec97858b2d98ed8076c4140e412d1b9b9ae72d31008c61b914bb21545fae26fffb16fe0b2f6594c438ff9473fc7799b3de44895814fe9c68adcbbb56b3cbaab7969085001adc04d9867873b756b07cd11ef82a90efda0bde04"}, {0x58, 0x189, 0x5, "e215cd37eefe9588271cde85a628dbabc6ea2af52a35f729fc1388b104c56f0200f88cdff8d98683703effe223e5e6c8b0a496ee344c991fac6397ca347d0f1496db4352e6fb"}, {0x80, 0x11b, 0x2, "84dbf037b0ebd1973505b1dc40ba0b14c0985e3731c8961a613d57ac90d0f967f1e06a658f4fbd0ac480a1ae5d27c712d7faf5976ea49c6061becc850de30cee11575f21ae7672d91ac5c81be4ff1fe13d1b2d0671079734a9c36662fdaaee002d0ad38ff02ec210f9943ee3"}, {0x38, 0x10d, 0x1f, "6b3727a891328d8799b846c72196dd45bfb1fe02c84468940f1fb95f2b0c67e225"}, {0x110, 0x11d, 0x8, "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"}, {0x80, 0x119, 0xffff, "d4eb3e3167c85dc997a55148f7f9a614fb090ba5989e77ae93a17e9913814f901af5709965e5be668ed70360c19e2cfdde94fbd47c345d24526e60cb7e072a8a3237774f56ad5a9ca5d30bb4d720eb811eb8f9236e5655623bc53313ef14a5c707a3ebcb251794f293ff"}], 0x400, 0x48040}, 0x0) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x9, 0x2, &(0x7f0000000040)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0xffffffffffff13ef, 0x0, 0x0, 0x0, 0x1000}], &(0x7f0000000080)='syzkaller\x00', 0x6, 0x17, &(0x7f00000000c0)=""/23, 0x41f00, 0x1}, 0x48) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000180)={&(0x7f0000000000)='./file0\x00', r3}, 0x10) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000380)={&(0x7f0000000340)='./file0\x00', 0x0, 0x8}, 0x10) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000200)) [ 150.761918] ? find_held_lock+0x35/0x1d0 [ 150.765982] getname_flags+0xcb/0x580 [ 150.770280] user_path_at_empty+0x2d/0x50 [ 150.774423] do_mount+0x15f/0x2bb0 [ 150.777963] ? copy_mount_string+0x40/0x40 [ 150.782199] ? rcu_pm_notify+0xc0/0xc0 [ 150.786092] ? copy_mount_options+0x5f/0x2e0 [ 150.790496] ? rcu_read_lock_sched_held+0x108/0x120 [ 150.795512] ? kmem_cache_alloc_trace+0x459/0x740 [ 150.800355] ? kasan_check_write+0x14/0x20 [ 150.804591] ? copy_mount_options+0x1f7/0x2e0 [ 150.809087] SyS_mount+0xab/0x120 [ 150.812539] ? copy_mnt_ns+0xb30/0xb30 [ 150.816421] do_syscall_64+0x281/0x940 [ 150.820302] ? vmalloc_sync_all+0x30/0x30 [ 150.824445] ? _raw_spin_unlock_irq+0x27/0x70 [ 150.828943] ? finish_task_switch+0x1c1/0x7e0 [ 150.833436] ? syscall_return_slowpath+0x550/0x550 [ 150.838453] ? syscall_return_slowpath+0x2ac/0x550 [ 150.843417] ? prepare_exit_to_usermode+0x350/0x350 [ 150.848434] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 150.853805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 150.858652] entry_SYSCALL_64_after_hwframe+0x42/0xb7 2018/04/01 11:59:19 executing program 1 (fault-call:0 fault-nth:10): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:19 executing program 0: socket$kcm(0x29, 0x7, 0x0) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) [ 150.863835] RIP: 0033:0x454e79 [ 150.867022] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 150.874736] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 150.882001] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 150.889272] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 150.896548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 150.903818] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000004 [ 150.929880] EXT4-fs (sda1): re-mounted. Opts: (null) [ 150.957839] FAULT_INJECTION: forcing a failure. [ 150.957839] name failslab, interval 1, probability 0, space 0, times 0 [ 150.969510] CPU: 0 PID: 11996 Comm: syz-executor1 Not tainted 4.16.0-rc6+ #43 [ 150.976790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.986147] Call Trace: [ 150.988747] dump_stack+0x194/0x24d [ 150.992387] ? arch_local_irq_restore+0x53/0x53 [ 150.997064] ? lock_downgrade+0x980/0x980 [ 151.001228] should_fail+0x8c0/0xa40 [ 151.004940] ? __brelse+0xda/0x130 [ 151.008487] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 151.013603] ? __find_get_block+0x2e0/0xd90 [ 151.017939] ? __lock_is_held+0xb6/0x140 [ 151.022013] ? __lock_is_held+0xb6/0x140 [ 151.026089] ? check_same_owner+0x320/0x320 [ 151.030419] ? __might_sleep+0x95/0x190 [ 151.034403] ? rcu_note_context_switch+0x710/0x710 [ 151.039340] ? _cond_resched+0x14/0x30 [ 151.043234] should_failslab+0xec/0x120 [ 151.047255] kmem_cache_alloc+0x47/0x760 [ 151.051361] jbd2_journal_add_journal_head+0x18f/0x500 2018/04/01 11:59:19 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x0, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 151.056647] ? jbd2_journal_write_metadata_buffer+0xd80/0xd80 [ 151.062552] jbd2_journal_get_create_access+0x43/0x550 [ 151.067835] ? rcu_note_context_switch+0x710/0x710 [ 151.072768] __ext4_journal_get_create_access+0x4b/0x70 [ 151.078127] ext4_getblk+0x2cd/0x500 [ 151.081837] ? debug_check_no_obj_freed+0x3da/0xf1f [ 151.086839] ? ext4_iomap_begin+0x1150/0x1150 [ 151.091326] ? __dquot_initialize+0x2d2/0xb70 [ 151.095808] ext4_bread+0x8d/0x240 [ 151.099334] ? ext4_getblk+0x500/0x500 [ 151.103205] ext4_append+0x146/0x340 [ 151.106916] ext4_mkdir+0x571/0xcd0 [ 151.110524] ? putname+0xee/0x130 [ 151.113968] ? ext4_init_dot_dotdot+0x4d0/0x4d0 [ 151.118635] ? make_kprojid+0x30/0x30 [ 151.122425] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 151.127337] ? security_inode_permission+0xbb/0xf0 [ 151.132262] ? security_inode_mkdir+0xd0/0x110 [ 151.136834] vfs_mkdir+0x390/0x600 [ 151.140388] SyS_mkdir+0x220/0x2a0 [ 151.143922] ? SyS_mkdirat+0x2b0/0x2b0 [ 151.147792] ? do_syscall_64+0xb7/0x940 [ 151.151752] ? SyS_mkdirat+0x2b0/0x2b0 [ 151.155642] do_syscall_64+0x281/0x940 [ 151.159523] ? vmalloc_sync_all+0x30/0x30 [ 151.163675] ? _raw_spin_unlock_irq+0x27/0x70 [ 151.168167] ? finish_task_switch+0x1c1/0x7e0 [ 151.172659] ? syscall_return_slowpath+0x550/0x550 [ 151.177573] ? syscall_return_slowpath+0x2ac/0x550 [ 151.182497] ? prepare_exit_to_usermode+0x350/0x350 [ 151.187512] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 151.192854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 151.197709] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 151.202885] RIP: 0033:0x454e79 [ 151.206054] RSP: 002b:00007fb9818eac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 151.213756] RAX: ffffffffffffffda RBX: 00007fb9818eb6d4 RCX: 0000000000454e79 [ 151.221017] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 [ 151.228287] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 151.235552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 151.242812] R13: 00000000000003ea R14: 00000000006f7e90 R15: 000000000000000a [ 151.250461] ENOMEM in journal_alloc_journal_head, retrying. 2018/04/01 11:59:20 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x0, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:20 executing program 6: socketpair(0x13, 0x2, 0x40, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0x40082404, &(0x7f00000000c0)=0x7fffffff) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:20 executing program 5: socketpair(0x8, 0xe, 0x4, &(0x7f00000013c0)={0xffffffffffffffff}) sendmsg$kcm(r0, &(0x7f0000001840)={&(0x7f0000001400)=@sco={0x1f, {0x4, 0x7ff, 0x7, 0x7e0000, 0x5, 0x1}}, 0x80, &(0x7f0000001500)=[{&(0x7f0000001480)="397fa449522c4a1a4c30e459cecf1d64a96fc5d967e6ca4b56e102826e20dd80e1395d06e037d5c80269c8bbbc198de9ecef87055d746eaaf5cb6cd6fb50954c7924b1e0c6717baf0533", 0x4a}], 0x1, &(0x7f0000001540)=[{0xb8, 0x10c, 0x5, "302b7e8c0931e9bf02dda7e3cac59ae9ce851cc6b9aea8f0e883142b1b4ec666d028d662ce82b32e7eeea6d619f4fa60613ef79643eaa7876dfb4293ffe2708136f88f09b43dae0222dffc4b4ad8e1a24a80be46e7999cd0f04dc9d4e0f06aadcc7b7d9fa0278a6dadec18a47e5785b56e593bb08013cad50ea00348529acd33e4fddfbb3b80bd1ab8038163054f8b5bda00ee9d124e12ab065edf8fabe8ae7723bb019c"}, {0x88, 0x10a, 0x5e, "6770cf92fc86f956c5e19d6be2a3966c1c2188f61111dab90cdd4392d94c34180563e9bd9f2f8a6926d1751b536ed330350b7bcb9a5185d8a46fecb441c380c89400968984c9d9087b8fadac7e15f573e3b3e626a3c7333d7038670e6c62021790744cda7e903fcfebfc08123599f66ad967343fc2f3e06b"}, {0x18, 0x117, 0x6, "ab2d72f1ad5a"}, {0x88, 0x1ff, 0x8, "30893918a699b1c0f5b22d9b7ae4fe62bd75d66d26786084de03e298647191fd45d36814f024dcd4abb69a13cfcea1056b16f94b9d68bdb060d19beddeceafee41857a5661ed78da08b2246496498aa41e12922037b79e85ff718cb9a73f8794639b0cdf9d50c0f736473ccf1a537488ae7b82b68c90"}, {0xf8, 0x117, 0x4, "a250be2d7307e91a10f1092531ac920504ad4efa60166d1ed5b67c0be6134c2ff97fea22de98166a62782460f2d898315b4dbd3fd1f363c14e4fbd592442fa33f6feaa600fbf149840f472e497e6dffe4175522d4e6e7176ce489e6ec0b1245a0ff36d6fbe6d4230f0fcdc80c9587f53f2c35405ee726f8fdda67e073e277e2a77470ac83e192b5ab54193c08948cd4614bdd7c42f4dffe3175b7dc2a645883b7156f5fe7d4b97b18a884df4a62860212f7ac04cb2367a394e424ebd47db850af3acfea6b447a3bc43744ccaf1824167ead798e508e3bdf0d267b92987f068ea74c382375d"}], 0x2d8, 0x1}, 0x40091) mkdir(&(0x7f00000000c0)='./file0/', 0x0) 2018/04/01 11:59:20 executing program 4 (fault-call:1 fault-nth:5): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:20 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000100)={&(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8}, 0x10) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000200)={&(0x7f00000001c0)='./file0\x00', 0x0, 0x10}, 0x10) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000180)={&(0x7f0000000080)='./file0\x00', r0}, 0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:20 executing program 0: mkdir(&(0x7f0000000040)='./file0\x00', 0x8) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) 2018/04/01 11:59:20 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r3, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r3, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r5}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r3, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) r6 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xf, 0xe, &(0x7f00000003c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0xa12, 0xf, 0xa, 0x0, 0x2, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0xc}, @alu={0x7, 0x10000, 0x7, 0xf, 0x5, 0xfffffffc, 0x4}, @alu={0x0, 0x4207acd2, 0x4, 0xf, 0x2, 0x3c, 0x1}, @jmp={0x5, 0x2, 0xb, 0xd, 0x9, 0xffffffff, 0x4}, @call={0x85, 0x0, 0x0, 0x2a}], &(0x7f0000000440)='syzkaller\x00', 0x1, 0x25, &(0x7f0000000480)=""/37, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000540)=r6, 0x4) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={0xffffffffffffffff, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:20 executing program 1 (fault-call:0 fault-nth:11): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) [ 151.292823] EXT4-fs (sda1): re-mounted. Opts: (null) [ 151.336706] FAULT_INJECTION: forcing a failure. [ 151.336706] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 151.348581] CPU: 1 PID: 12022 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 151.355862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.364876] EXT4-fs (sda1): re-mounted. Opts: (null) [ 151.365213] Call Trace: [ 151.365232] dump_stack+0x194/0x24d [ 151.365246] ? arch_local_irq_restore+0x53/0x53 [ 151.365265] should_fail+0x8c0/0xa40 [ 151.365277] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 151.365291] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 151.365304] ? __lock_acquire+0x664/0x3e00 [ 151.399643] ? print_irqtrace_events+0x270/0x270 [ 151.404410] ? print_irqtrace_events+0x270/0x270 [ 151.409178] ? print_irqtrace_events+0x270/0x270 [ 151.413947] ? trace_hardirqs_off+0x10/0x10 [ 151.418287] ? lock_acquire+0x1d5/0x580 [ 151.422284] ? find_held_lock+0x35/0x1d0 [ 151.426359] ? should_fail+0x23b/0xa40 [ 151.430265] __alloc_pages_nodemask+0x327/0xdd0 [ 151.434938] ? lock_release+0xa40/0xa40 [ 151.438916] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 151.443937] ? find_held_lock+0x35/0x1d0 [ 151.448023] ? check_same_owner+0x320/0x320 [ 151.452366] cache_grow_begin+0x72/0x640 [ 151.456455] kmem_cache_alloc+0x400/0x760 [ 151.460707] getname_flags+0xcb/0x580 [ 151.464517] user_path_at_empty+0x2d/0x50 [ 151.468669] do_mount+0x15f/0x2bb0 [ 151.472215] ? copy_mount_string+0x40/0x40 [ 151.476451] ? rcu_pm_notify+0xc0/0xc0 [ 151.480341] ? copy_mount_options+0x5f/0x2e0 2018/04/01 11:59:20 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) socketpair(0x10, 0xa, 0x7, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x2400, 0x100) socketpair(0x4, 0x80002, 0x4, &(0x7f0000000240)) recvmsg(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000040)=""/107, 0x6b}], 0x1, &(0x7f0000000140)=""/84, 0x54, 0x80000000}, 0x0) [ 151.484751] ? rcu_read_lock_sched_held+0x108/0x120 [ 151.489765] ? kmem_cache_alloc_trace+0x459/0x740 [ 151.494610] ? kasan_check_write+0x14/0x20 [ 151.498852] ? copy_mount_options+0x1f7/0x2e0 [ 151.503355] SyS_mount+0xab/0x120 [ 151.506813] ? copy_mnt_ns+0xb30/0xb30 [ 151.510703] do_syscall_64+0x281/0x940 [ 151.514595] ? vmalloc_sync_all+0x30/0x30 [ 151.518747] ? _raw_spin_unlock_irq+0x27/0x70 [ 151.523243] ? finish_task_switch+0x1c1/0x7e0 [ 151.527746] ? syscall_return_slowpath+0x550/0x550 [ 151.532675] ? syscall_return_slowpath+0x2ac/0x550 [ 151.537612] ? prepare_exit_to_usermode+0x350/0x350 [ 151.542633] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 151.548009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 151.552862] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 151.558051] RIP: 0033:0x454e79 [ 151.561243] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 151.568976] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 151.576241] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 151.583501] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 151.590754] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 151.598008] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000005 2018/04/01 11:59:21 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x0, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:21 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:21 executing program 0: 2018/04/01 11:59:21 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x100000007fffffff) socketpair(0x5, 0x800, 0xfffffffffffffffc, &(0x7f00000003c0)={0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_RESET(r0, 0x2403, 0x4) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000040)={0xffffffffffffffff, 0x50, &(0x7f00000001c0)}, 0x10) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000300)={0xffffffffffffff9c, 0x50, &(0x7f0000000280)={0x0, 0x0}}, 0x10) r2 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000240)=r1, 0xffffffffffffff02) socketpair(0x10, 0x7, 0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000380)={r3, 0x28, &(0x7f0000000340)}, 0x10) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000140)={&(0x7f0000000080)='./file0/', r2}, 0x10) socketpair(0xf, 0x6, 0xe35, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ID(r4, 0x80082407, &(0x7f0000000180)) 2018/04/01 11:59:21 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) bpf$OBJ_GET_PROG(0x7, &(0x7f00000000c0)={&(0x7f0000000080)='./file0\x00', 0x0, 0x18}, 0x10) 2018/04/01 11:59:21 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000100)) 2018/04/01 11:59:21 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r2, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r2, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r4}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r3) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r2, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xf, 0xe, &(0x7f00000003c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0xa12, 0xf, 0xa, 0x0, 0x2, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0xc}, @alu={0x7, 0x10000, 0x7, 0xf, 0x5, 0xfffffffc, 0x4}, @alu={0x0, 0x4207acd2, 0x4, 0xf, 0x2, 0x3c, 0x1}, @jmp={0x5, 0x2, 0xb, 0xd, 0x9, 0xffffffff, 0x4}, @call={0x85, 0x0, 0x0, 0x2a}], &(0x7f0000000440)='syzkaller\x00', 0x1, 0x25, &(0x7f0000000480)=""/37, 0x41100, 0x1}, 0x48) r5 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r5, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:21 executing program 4 (fault-call:1 fault-nth:6): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:21 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f00000000c0)) socketpair$ax25(0x3, 0x3, 0xcc, &(0x7f0000000140)) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000000)) [ 152.293168] FAULT_INJECTION: forcing a failure. [ 152.293168] name failslab, interval 1, probability 0, space 0, times 0 [ 152.304586] CPU: 1 PID: 12063 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 152.311866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.321225] Call Trace: [ 152.323824] dump_stack+0x194/0x24d [ 152.327462] ? arch_local_irq_restore+0x53/0x53 [ 152.332139] ? lock_downgrade+0x980/0x980 [ 152.336384] should_fail+0x8c0/0xa40 2018/04/01 11:59:21 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0xfffffffffffffffd) 2018/04/01 11:59:21 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x1000000000000000) r0 = socket$kcm(0x29, 0x2, 0x0) recvmsg$kcm(r0, &(0x7f0000000380)={&(0x7f0000000240)=@ll, 0x80, &(0x7f0000000340)=[{&(0x7f00000002c0)=""/106, 0x6a}], 0x1, 0x0, 0x0, 0x2}, 0x2000) [ 152.340101] ? trace_hardirqs_off+0x10/0x10 [ 152.344426] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 152.349901] ? is_bpf_text_address+0xa4/0x120 [ 152.354406] ? find_held_lock+0x35/0x1d0 [ 152.358486] ? check_same_owner+0x320/0x320 [ 152.362808] ? putname+0xee/0x130 [ 152.366266] ? filename_lookup+0x315/0x500 [ 152.370506] ? user_path_at_empty+0x40/0x50 [ 152.374841] ? rcu_note_context_switch+0x710/0x710 [ 152.379491] EXT4-fs (sda1): re-mounted. Opts: (null) [ 152.379775] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 2018/04/01 11:59:21 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair(0x18, 0xe, 0x3, &(0x7f0000000000)) 2018/04/01 11:59:21 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x0, 0x3, &(0x7f0000000040)=ANY=[@ANYBLOB="180000000000000000000000028000007a0a00fffffffffd630104"], &(0x7f0000000000)="47504c00bc3047eb525f484f89fc96dd6ca64da40ff023122e66f6", 0x0, 0xce, &(0x7f0000000300)=""/206}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0xd, 0x5, &(0x7f0000000040)=@framed={{0x18}, [@jmp={0x5}], {0x95}}, &(0x7f0000000200)='syzkaller\x00', 0x80000001, 0x228, &(0x7f0000000300)=""/187}, 0x48) mkdir(&(0x7f0000000480)='./file0\x00', 0x61) 2018/04/01 11:59:21 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x0, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 152.390224] should_failslab+0xec/0x120 [ 152.394206] kmem_cache_alloc+0x47/0x760 [ 152.398276] ? free_obj_work+0x690/0x690 [ 152.402345] alloc_vfsmnt+0xe0/0x9c0 [ 152.406067] ? path_lookupat+0x238/0xba0 [ 152.410137] ? mnt_free_id.isra.21+0x50/0x50 [ 152.414556] ? trace_hardirqs_off+0x10/0x10 [ 152.418886] ? putname+0xee/0x130 [ 152.422345] ? putname+0xee/0x130 [ 152.425798] ? rcu_read_lock_sched_held+0x108/0x120 [ 152.430816] ? find_held_lock+0x35/0x1d0 [ 152.434885] ? __get_fs_type+0x8a/0xc0 [ 152.438774] ? lock_downgrade+0x980/0x980 [ 152.442926] ? module_unload_free+0x5b0/0x5b0 [ 152.447428] ? lock_release+0xa40/0xa40 [ 152.451407] ? mpi_resize+0x200/0x200 [ 152.455211] vfs_kern_mount.part.26+0x84/0x4a0 [ 152.459791] ? may_umount+0xa0/0xa0 [ 152.463419] ? _raw_read_unlock+0x22/0x30 [ 152.467562] ? __get_fs_type+0x8a/0xc0 [ 152.471435] do_mount+0xea4/0x2bb0 [ 152.474957] ? copy_mount_string+0x40/0x40 [ 152.479185] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 152.484184] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 152.488922] ? retint_kernel+0x10/0x10 [ 152.492802] ? copy_mount_options+0x18b/0x2e0 [ 152.497272] ? copy_mount_options+0x196/0x2e0 [ 152.501745] ? copy_mount_options+0x1f7/0x2e0 [ 152.506230] SyS_mount+0xab/0x120 [ 152.509666] ? copy_mnt_ns+0xb30/0xb30 [ 152.513530] do_syscall_64+0x281/0x940 [ 152.517391] ? vmalloc_sync_all+0x30/0x30 [ 152.521515] ? _raw_spin_unlock_irq+0x27/0x70 [ 152.526165] ? finish_task_switch+0x1c1/0x7e0 [ 152.530637] ? syscall_return_slowpath+0x550/0x550 [ 152.535548] ? syscall_return_slowpath+0x2ac/0x550 [ 152.540455] ? prepare_exit_to_usermode+0x350/0x350 [ 152.545453] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 152.550801] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 152.555623] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 152.560793] RIP: 0033:0x454e79 [ 152.563959] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 152.571648] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 152.578895] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 152.586141] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 2018/04/01 11:59:21 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f00000002c0)={0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000300)={0xffffffffffffffff}) r2 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000340), 0x4) ioctl$sock_kcm_SIOCKCMATTACH(r0, 0x89e0, &(0x7f0000000380)={r1, r2}) 2018/04/01 11:59:21 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) socketpair(0x1f, 0x802, 0x3, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$kcm(r0, &(0x7f0000000380)={&(0x7f00000000c0)=@llc={0x1a, 0x8, 0x0, 0x1, 0xfffffffffffffff7, 0x9, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x80, &(0x7f0000000340)=[{&(0x7f0000000180)="6039ea37a047987e3b04bc047f5f4d8e3ad74fcc9ae2ec682e1cf5d9ed22e32a5d2aced3b9936df3756e3cfcbbe2f6aed5392983b11af571b7a5f37d48bd417c59a6fe731c46b4201310fdbef05304885b81db76dedc7fd9ed9ef9465e32232aff54076f794085eb7d7437344b7ee8060ce3e8d1da809d4ef87a7f538beaa806a7d00ee67ea748a682322f6a5475bf8fffa5eff7fa29f0706bb9580ea7180cb923d2909383a3366456e164165a143fb702f91898", 0xb4}, {&(0x7f0000000240)="d5b86b39425f50d4b13d3ea7e601b3c893dc109d132c6b14ba05e13ff5e77627d4eb638c96dbb46df1c815f7a5431411290b954f975e3657b83012f13bc1736dadb6f866190aaa3eaed4e9eac7aba36b57cdab6ab27d4815634dbe61b124c2e1dfa73638bd0c55cf94ac31b37673b35036218c205e894ad9fb7ee8fafd33a0f2a6a4d98f680d3913553397ba466f7a7570f8ddb3134fdda9d8c09121361ba12dbb679c0c38759635fea06fdad2caef993da9978f3ec63bfebbd6653176f2aaf04018b781038064fcff6283fe", 0xcc}], 0x2, &(0x7f00000004c0)=[{0x90, 0x1, 0x1f, "04d0662d8d7f3ae9ca67713e6dc3d5c86b7d6bfad8b042a4bb043ec31d1ab5ae7878c62a2704e7877dc71a751a8ef3e358005c93a53494311000f0d9bb83f7d5078a69803fc9740639d15debe8f5f8a4187a0c5ec87a4df166a59b89be330f781f51fa557d57e2f65ccd50864922cabbc5dad39cb2f5ed70ff8b"}, {0x100, 0x104, 0x4, "f90df5dd4f9156e0f90e9cebfa91fd774a97dccab67bb95c373fdd7591745f64eb2563e3af031d6557c870db37def1098b894db9008a3ae5730f53e9a04668896d9370afce765bc26a0faaf75e39f97b59d7633aabf76c5911b7d4e3c43877bea76dacdc016cc58d692ce81f28190034052f8617e4b586f47ebf635aabd49bac82e7223b45ab77b3f8ea3f20a5d4aaceda49d3335afdda64302fc0c75e23ec58e1d8b42f1c925afe85214f3edfaecc7f36a4678ad205f1fe4ec19977faef3be92d6e26d1e3298a7f4365a52bfd7dd7994fffe7121a896c00c7405db488a3bd690458f16abd5d20feaa31d63fc8"}, {0xf0, 0x19a, 0x7fffffff, "5d6282bebff26b397fcba6db38ce4426a358862ef540efadd588ba602f6a0d652256f1dbd0f35ec1beb1b619085037ecadce3ea76c05a700378def4452b4c38d1f280b49cf2ccafff7fa6ff8f054ef1e4d01be89312f3511ffc77d7ae00d3fb3240e441c9aab9f1bb943e1e22f29666787688ff5ecee325bbee3fd8e8c2416b305e49d1113fe67a5212dbcbd45ee02b7d2b88e428fe11cfd5d9234235f8a02d59318e036f5e0ea7c778f9af70913dac664be67cdfebf23d071f2d8b42298c4c01f0b1445e04272e194a7a38a87f57eb2be98d97dee72f173421aa4a3a52b0121"}, {0xf0, 0x10b, 0x0, "82faaa6d8b152520050fb842b49b9626c29be31bc5e785b841621c0892bfa80b0e67b34df5d440ba821a5298a0ceb0dca6cb1289c71d795f11977680b921dcc28cbd1a52035ec76e6be82fbbd80eb0185cb5920e6afb25ee8fa1c283ffe32deabc94d8fde658dbeee61c6bdfc0ec67fafbddc72296673e4f18762a3c2bef4e59d45bda1cdb9f1fa04293e4427ce66fbe9b3f676943dd19ddef59d814963f6de61af4e3ed878f3cc28f1a9f88b45f22b7f7a2b9fd55a172fff7ccfd758cad2b098fe5c99aacccf251dab24fb84eb6238606501bcbaea928f7df8ca62c"}, {0x58, 0x11b, 0x3, "241579e572f8f9795d297e05b4e10d696c752a715913ae88c61c579d15404232f4d99cbe4efa0294cdb7e72bda2e5273490c5ef091f6e3b72880c021056b03c63385c099c0701d92"}, {0x40, 0x117, 0x5, "f66c47c1bf72b2da67250e772ef21bf637abe77567cb3c662e8c855bafb8e76b2cd5ec87ad43cb0d385a60c3e4aac4c1"}, {0xd0, 0x88, 0xffffffffffff0000, "5a48da99add888a55e8b924233c921edc6eeee6d445966d712b4a9ae883e69403f3290fb7135f2a5012e9d89c7eb765316121bc04af401d94b232eb139cfb8710cb09b8591bce49e7fafce1aa84b92d74b565ffc3027010e75542aa6e99d257cbfbb110eec86526b71919805b530b6825317381ee3cdbe02eab2aa02eac3583fc9907d5a3714e18a9425b536a31881bc879a9cabfc57466eb7a6e2ab25a65973a9592369eaba873ac6899c8cd7cbc1f13eecb94148cc81c103"}, {0x88, 0x100, 0x9, "180c13c7327a5518c11c35f28b69337e464c1e685dba03da17567f932630054e22e9da3cd1b6af37a8be61d9fa1070d5d8ec7ae518a02243698ea91b7525aa69630523fe79c25b4d9938e2dc3cef8d9b025db3ff7129730e68380e4553e90a3f4e0005bad91ff9ef76356ca3916c9f07a1fce3a0f0ca"}, {0x60, 0x108, 0x3, "3c00aa620c7800bc790deb4511cd9ec9e89e81a2fd9ba48ae6a9caf86f6e283f89a578735b642dfdc4adfe01c4b9011bdf5b54a2d0c9cf51e05033451d99fa5f6cf52877bce155415898c5f6ceb0e0"}, {0xf0, 0x10a, 0x7fff, "acd95c15d65ef99a9377f9cdd31ce3af7291ee4106409baafe1c3973d5f0e90fa3ddf2966f9b67e398cdeff9506e77475baed6dd32c16e9b2d86f83a2b74cf75ea9b3aa76c769debbc7790c270698ba033ad1ca867733742fc86988accb844055fa58cb32862e41fe54b6a760f84da6be94eca21e028719de8c5bdbeeae0edfb96459851235c5ccbf9c9fbc1309c26e8cf5d1dbd81dc263586abed3040ea3555a5c2f2fe40248672cdd2cf279d0d7fbf7e539e1dde8c13fde21b92a71d8de6f436da40cb28e6a4814b5a2ba2fa301d29dd941a5c34172ef7ead2d93276"}], 0x6b0, 0x20000890}, 0x4000) 2018/04/01 11:59:21 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000000)=0x5, 0x4) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f00000001c0)=0x621, 0x4) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000200)) mount(&(0x7f0000831000)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f00000013c0)='mqueue.', 0x0, &(0x7f0000001400)) r0 = perf_event_open(&(0x7f0000000080)={0x5, 0x70, 0x8, 0x2, 0xfffffffffffffff8, 0x101, 0x0, 0x9, 0x10, 0x1, 0x81, 0x100000001, 0x6, 0x0, 0x6, 0x7f, 0x7, 0x7, 0xfffffffffffffffc, 0x7ff, 0x1, 0xfffffffffffffff7, 0x1f, 0x7, 0x1, 0xaa77, 0x200, 0xfffffffffffffffe, 0x5, 0x7, 0xe314, 0xfffffffffffffff9, 0x8, 0x6, 0xcb, 0x2, 0x0, 0xffff, 0x0, 0x400, 0x2, @perf_config_ext={0x1, 0xfff}, 0x101, 0x3d1, 0x1, 0x6, 0x6, 0x8001, 0xfc}, 0x0, 0xe, 0xffffffffffffffff, 0x1) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x0) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000180)=0x6, 0x4) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000100)) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000140)) [ 152.593388] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 152.600639] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000006 [ 152.630230] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:21 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x0, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 152.712742] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:22 executing program 4 (fault-call:1 fault-nth:7): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:22 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:22 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000080)={0xffffffffffffff9c}) recvmsg$kcm(r0, &(0x7f0000000280)={&(0x7f00000000c0)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, 0x80, &(0x7f0000000180), 0x0, &(0x7f00000001c0)=""/175, 0xaf, 0x7}, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:22 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) mount(&(0x7f0000000000)='./file0/', &(0x7f0000000040)='./file0/', &(0x7f0000000080)='ncpfs\x00', 0x204804, &(0x7f0000000100)="04d6242bea82b5d4c7071f654c58fcb47600d9847a2e1f25880b81a0d02ee59209b81be0c221bf98a0a536bb354b86efa2758dbe6aa08053f51510fdaf5747d100a4c87d01cb2853ed4c3dc08a40456f620cb610c0f15105a30e5e") 2018/04/01 11:59:22 executing program 1: mkdir(&(0x7f0000001840)='./file0\x00', 0x0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000001ac0)) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000100)={0xffffffffffffffff, &(0x7f0000000040)="0cdb1604c3fccf7123c457633b2fb22931e40cc0e7dc26d374c5809c9964a435e94b42da42e058d465efc25c8eee1f27ed8f6138084e3873aa257f20b3c3c2b9f25be7dac0d6ac32bf688571bb63e6bfeb89fd6eb23d43dd1c"}, 0x10) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0x5, &(0x7f0000001780)=ANY=[@ANYBLOB="18000000000000000000000000000000850000001d000000000000a9d779550095000000cb8f6c99a09f465b5bbc932f68622106714cfbff709181fdc1922a73653d28f05d8836d0d3274f827248ec12d6a11878eb70922fa35cc0db0000000000be54000000000000"], &(0x7f00000000c0)='GPL\x00', 0x101, 0xd1, &(0x7f0000000100)=""/209}, 0x48) socketpair$inet(0x2, 0x6, 0x1f, &(0x7f0000000480)={0xffffffffffffffff}) sendmsg(r0, &(0x7f0000001a80)={&(0x7f0000001880)=@alg={0x26, 'hash\x00', 0x0, 0x0, 'sha3-384\x00'}, 0x80, &(0x7f0000001940)=[{&(0x7f0000001800)="cece12d0367ababdb95d096078deb184b8", 0x11}, {&(0x7f0000001900)="d3ac4f0c5dfb81554cfc4d5b83", 0xd}], 0x2, &(0x7f0000001980)=[{0xf0, 0x0, 0x4, "cfc76d37d6fa92371a399ea83a5fe072deb0ac670e5d00fa4f43558660e710abc7883e69178698f33b4f2701e3ac599f687b11bdf513d3d98a57e344438d5c01ff63e09410151fcd1b405440b36f60bf3557f7a41e136f07fe1ff84680e0021c0ec425e9c485f2bf53e2acbcd62d212e529da5e29b05f973689c087e7b0acbbcfe5727057976db7a7d90cdc2cffebace909f79d23598cbb41de849e4bacd7f71563c063b2b82d2d0abbfdae2083310b14829ed891e418f273104b9e25b7a8c4aa9227853297bbd4bb957883498d30a6cec2cff95ac9355ae480078f9a7"}], 0xf0, 0x40000}, 0x0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$kcm(0x29, 0x2, 0x0) sendmsg(r1, &(0x7f0000001740)={&(0x7f0000000040)=@pppol2tpv3in6={0x18, 0x1, {0x0, r2, 0x0, 0x0, 0x4, 0x4, {0xa, 0x4e20, 0xffffffff, @mcast2={0xff, 0x2, [], 0x1}, 0x6}}}, 0x80, &(0x7f00000014c0)=[{&(0x7f00000000c0)="0a1cb07fde2b539fc11ee8b9f529dff0c0c06831f4b68bb12fab877fc381cef522339dabda975e6606823ad4810366747b2d18830806ec2a0fe681aef7863e7f0cd9b0c9127742db847a8039200f42", 0x4f}, {&(0x7f0000000140)="1052621d368936dd566e1a795658f4e010c4eac19c18c67cb935edf3585aabfc430107cb7ff986fc6513a38e307521e4a4", 0x31}, {&(0x7f0000000180)="29b87e82e245a340589bc55c74a47401f998279b1442b792e56c49b85e40d3c2ca509f8763ed0115cfcd45e4628be672b955d251b83388d33a3fd12eb0538c6a818093c84c21375a26ee61bd8a2bdeb6673e16eac38eeab1", 0x58}, {&(0x7f0000000200)="1902891326cc31b54a8ed130a05d83ec32e1474a9d7f213de896acd31f5dab19b5f041afc429fb0be6cbab7d444acc1832d01914f67f5ce7c9fff6be20c8f47fc93028feb942096f16e0b606aa92e76c361e8004d66847eec379465f8a7dd0a264c0ea9c56349fdb812d95301bfc4fd78b52fc1378af", 0x76}, {&(0x7f0000000280)="ef4e661150a7ba12df5823f819d36c2d0758260c4d52c581bcba14c0118eeea01b56e4d8806a665e2e4809ea08b60fd22cf828db6553b86e602612999ff291824dae12c866c7ea05b8c1596a159c62c9bc2adc931f01844ee8ed80a5a0ad1486ea3b252e2881ae870cd5afd9925c29ba6223e7576f711b6ce48692845136345fac7826ca82781f394b009907d43c9a1af638936ff4b2b595262f2b507e04dde214f41f34ab804d1248ea9c7a8cb91d4ccc2788ee1c4dab1b2d84bb7817ab7a6b4802", 0xc2}, {&(0x7f0000000380)="982499fe458cbb2aab2038f4866528e7ec51d7104bf1e38f4a3d824ee1da108ff05a0ed16a910b9e2e60eb287f27b6fe6208", 0x32}, {&(0x7f00000004c0)="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", 0x1000}, {&(0x7f00000003c0)="4509ce4c95cc6919859002dbb54cbf818f106b4f5b38290c1284b0902ffdac320470192ddf952d6f06d78d4c88396d70e3b6b6905e103a3398d0949424cd91d777185a8f95f34534da2d387fdeb30373a9ec1c32209867ab7ce26015a594216a889b9bb1d5ec14c64d8cbe17e635e6cc8d779948aa231d4205b295df0b1fd72de01cec5450", 0x85}], 0x8, &(0x7f0000001540)=[{0x50, 0x0, 0x4000400, "2775cbeb46c3189efd337eb217ad987b32dd8b998049d5f32434c314a8d53d655ba16d8aac8794c50d7ef8da22dcbb6edc07c5dce1377bf0ce5cc0a725"}, {0x18, 0x0, 0x0, "2e34da"}, {0x40, 0x100, 0x2, "1f5e0624b7942afa966e69c66ca9a8c353e0cff8a31c37c215e042230a654f3fc948d02b378da12a844a"}, {0xc0, 0x107, 0x2, "e1579e3550190937e13d28a24152196d34c78753de29f36931907ef620b785cf5dfe68d67575bde6c59528cf680433aa5db7c11552ee469a9cf80781e14a1f4923d1006db126db182c131cded9d7a5a0d57a1d7e022ebe334173a87213e345ad6aef50f72f38f76269418301047f0a57235666c51fda222365bb89399854f74accd584bd8adeecc743a0d8570914195f65309034ee6d94d9290dee40cf43e5f6d27fa70e7babbfd353d7e595705fb1"}, {0x78, 0x105, 0xffffffffffffffff, "8ca0a62720e28c0b113026e6d3d0ac378321173869b64fc8cfa86b242ed0ae9e89dbbad8b3eaaa93aa232d2454d2bf97301d8dd84badd131b48dec81448c733b90a97fb094bbf82c7dc1f12dfd0baf22e214c2a82a6b8e594e9d92f239591d2dc4e53d69a56cd568"}], 0x1e0, 0x80}, 0x4000000) 2018/04/01 11:59:22 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000a00)={0xffffffffffffff9c}) sendmsg$kcm(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000b40)=[{&(0x7f0000000a40)="db67a531c01e2cbfca349633e2c2ead03b29e1c2a77c0952abaddffd6c1dc212c0a1f44247280bf336948831ba5086f6fb5a9e044f91fe7f03a96506c09a04ce8963e0d0a3fc38ebf6eafbcad5cd84fdea6a62390c94d412f2f28db169680fd161e9c20bcab62919ef9ca48f120cbdee49d2d124cda4c494c8eec707e3be111318d9a90b4fbc", 0x86}, {&(0x7f0000000b00)="b5", 0x1}], 0x2, &(0x7f0000000b80)=[{0x110, 0x1ff, 0x2, "ef8c9e790ceabcaddd62c68b19f26e5f67144bd3ce971133ebbf4c96b5ce45d079f5b302eb27a66c6b23b9122d21bf8141a4eed0fcf96f86dcf976e738d0f28e42206c0b2df55257aee24e12fc1b1c181e140791dac0a1a899e917f3950d94691fa94bf19da333e5544e661aba2fc01c26805d10d5646e6e3a4c2b9e5b6607a947c9848c6b7c92a7403429cc2e6febaedd5a5f487bb7b93a20db11abc9816a011fbe6e3c80a0d6a7bfd9bb652f894380f9c7dccd400a580892fd759d5eeadb4895d763a47e9c496fe1064d7a8457a9a6f9b9d1598165b4ca29aefd5fc856069e325e7614ee12f0dd8ac518d404099c1dfb72ef65949a139895"}], 0x110}, 0x40) 2018/04/01 11:59:22 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)={0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r2, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r2, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r4}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r3) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r2, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) recvmsg(r1, &(0x7f0000000380)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300), 0x0, &(0x7f0000000340)=""/32, 0x20, 0x7}, 0x20) r5 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r5, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:22 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000000)={0xffffffffffffff9c, 0x50, &(0x7f0000000080)={0x0, 0x0}}, 0x10) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000100)=r0, 0x4) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000002c0)={r1}) recvmsg$kcm(r2, &(0x7f0000000880)={&(0x7f0000000640)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast1}}}, 0x80, &(0x7f0000000140)=[{&(0x7f00000006c0)=""/97, 0x61}, {&(0x7f0000000740)=""/191, 0xbf}], 0x2, &(0x7f0000000800)=""/68, 0x44, 0x3f}, 0x2100) sendmsg$kcm(r2, &(0x7f0000000600)={&(0x7f0000000180)=@in6={0xa, 0x4e24, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x4}, 0x80, &(0x7f0000000480)=[{&(0x7f0000000200)="eea45c11c6582435b9c641c5d3697a14a6f64da0930f22db0e82a075d488c37dfbc5df8c8992471c310c146cac2d39", 0x2f}, {&(0x7f0000000240)="44f16993cb6de5bab6aecdb160cddd99b7c9c4d36b588f0c55e6edc64d953372a670fb1571733d1cc039b59ce762c37c419b8f74fd47899c156e258dd4db8c09ad5dfba53c8d03e09f73e9761b69f071481988545e0b6e075b1a396f28e97aa4a9f31ad34af81658", 0x68}, {&(0x7f00000002c0)}, {&(0x7f0000000300)="91f7a8e9e8d9b76267ddddd5a9d7fbd94777c4efb03c9ffef879a6f962e09e06fdcfa0df67aa50b7f7db5297f31753fe5309e8efe17bb787930e5eda1fbc73099a9140874f22a08c99a670cba15cd6e724e3ff10c381e56df7d5ad5a0a93ba4d9909cf4f6eb1fce1696a926899b0b34bc56390af", 0x74}, {&(0x7f0000000380)="5d0411d2ec612dca03f6f50fcd614e0ca0458010c274aebb56dab791c2a5d375806df070edf5860c1f319f00793c5c8876d5d7c6a603821880c0affb4a1787bc6bbfa4dd24b7c7de149123e53284b718da68f29d1110cf166e4de5fcc86bb4650a43200aea886e5f56834abc3341398cb1ca2fe442358f01b69d524031fd46698a33df9b3ff0581c1ac816b20481004417403b7c7c21b46df7e8c95f105b9fafe4231cf0471a518ea82e717dbf159a64c5161d04ec55409d0540a030dccd6b9be5b39902962c8b107ad2cf046725a3b4dc6dafba8fdbbf2f605a0954527cf5d789", 0xe1}], 0x5, &(0x7f0000000500)=ANY=[@ANYBLOB="880000000000000004010000070071ce4babe75c8241a8dad175da5227a1d117d4c8da7b6d4968bbc35cd8522770fde514b76e97c3e6080b8d461bec2c603addb411417eb00f8c948bf9974b37410a098f74087727ad2cd009f40a58243ce87daa44192522095d450dc9b5dee9ef739882c4e3da97ebf88cb17e0b378b0000000000000058000000000000001601000003000000eaf71162f78e4a41ee9c8a3c3cf69dda0b84bc0f247732a21f7d38159ff8e45db3166b2fdae9c60a3df68c6fa794d745e2685e4925aaf1fc5a88b479993c5b6a0adf5f8c0000000000000000"], 0xe0, 0x10}, 0x4000000) [ 153.377920] EXT4-fs (sda1): re-mounted. Opts: (null) [ 153.384827] FAULT_INJECTION: forcing a failure. [ 153.384827] name failslab, interval 1, probability 0, space 0, times 0 [ 153.396085] CPU: 1 PID: 12135 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 153.403356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.412707] Call Trace: [ 153.415296] dump_stack+0x194/0x24d [ 153.418928] ? arch_local_irq_restore+0x53/0x53 [ 153.423596] ? __unwind_start+0x169/0x330 2018/04/01 11:59:22 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair(0x8, 0x7, 0x20, &(0x7f0000000000)) 2018/04/01 11:59:22 executing program 7: socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000002740)=[{&(0x7f00000000c0)="0742284689980fb66b00c152aa97846ea5e46688efc5d39475ea87d485c7668cf2e4031879321e0615a6c23ec8d3416783cf51290518031df72e071349e714bdff7a164c37c6da069052c096a12db60dd3505655d0dc2b677df2151c2568b1cc2c7af84146b602d4ac4757407eb0b0f8381402a10a3189d001", 0x79}, {&(0x7f0000000180)="a3a9ea6226b6c40ab37c6762844ec2d0fe0f10c27da4df7892f3b67ebd026f16fd72edb3ea704ae1770d689ac9c4c848ef1821e09554026a271fd712173058c3e901344bcb54160899553823e7036774662ffca4abf82b6657dddfdaced7a4ffd4a8be6d7a5e2a7c43e7a871199dbfec0d25904b957951a7875b4fe3614d09a52eeb2ee164feff02ee83c9f4669474ead33668251ea60506d6458b5dc8b886df1d", 0xa1}, {&(0x7f0000000240)="674d3ef6c5b7bc34e36c8ed5567cfcfd8448e2333c9bdd7001cee7e4ac154b3caaddfd6d852ed6df7519f45528a1a7c1e1e2911b5dc5bec9b41b0cd1ee6b94bd662ae2c43a66f9aecfc2d718", 0x4c}, {&(0x7f00000002c0)="b5f358aa1d9af1409cf48cdf066eb5f26e04a9ea24ace3778ca66c303d78228d60207a25971f50abe629840becc1fa13fa95a94c4a5d247df2994232e6655436e2be5829f9f5244c605c32bba9ed3ae5d8dedf9f8035f066bd646f633a8db58ee3cb2f0cfcf13cf168b356e069e08da9ecdae9d5ece260bbfca0d2d90ffc2a72a27a8e94186caa3bc13b478ef82ad3eaef4122f3b206389cbd368fae8934ad26794559835e2f1d2ccb17e4519baca2e1bd0842589587ad7a0c82f663c1ec32bae930e1de173be52fcedbf0531d9a5084bc18761a765ba4456d721f408c774f38f914951ff9422657b3ce4baa7a21131d6c623ae924b962e65e", 0xf9}, {&(0x7f00000004c0)="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{&(0x7f00000015c0)="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0x1000}, {&(0x7f00000003c0)="12965ef7b08ff5482ae9", 0xa}, {&(0x7f00000025c0)="91756eee3ef17885c4cd65456f604aba7aca56776be9b2d9958d338732c5b58d795551b3076951b04abb2119bfe55d3cae14b5c2ca304631058bbb631eb3bc164d1292c842ef4c5a33df3f5bdec6c80638365ff64df8f243693342ce19d8af81b68aaea7910f53fbf9a49c4a3bc7ee4aab4742ed60ab0acfacd4104884b8f4d252fb3b1c7f3db3547eae370bd23e91f931ac7add9efdb054d037ace0b6cc1bd828e8a33ed4f7", 0xa6}, {&(0x7f0000002680)="af8226c0b4c4b78d019f63d2cd32ad3d7b3f0c26cdca1064ce71a2d3ecf8e786073f571f2e11cd8c39661d826ca943c5380b3500793d50e74ca3ca162923a27eaa0dda47efd390b9b5dec83da21bbd0396136d5da0a9715f5869967d2b444177780bca2f911fe091ab463a89fe533e0ad824a7b4d82e7df00af12520199fbf397feaaff19d62419dfe88f5a51a925df57f3277148055fcb8a91c2a2d283359", 0x9f}], 0xa, 0x0, 0x0, 0x10}, 0x40000) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:22 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:22 executing program 0: mkdir(&(0x7f0000000000)='./file0/file0\x00', 0x0) 2018/04/01 11:59:22 executing program 5: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000001140)={0xc, 0xd, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x100}, [@map={0x18, 0x6, 0x1, 0x0, 0x1}, @generic={0x9009, 0xfffffffffffffff8, 0x1, 0xffffffffffffffc1}, @generic={0x1f, 0x2331, 0x5, 0x81}, @call={0x85, 0x0, 0x0, 0x8}, @call={0x85, 0x0, 0x0, 0x2c}], {0x95}}, &(0x7f0000000100)='syzkaller\x00', 0x400, 0x1000, &(0x7f0000000140)=""/4096, 0x0, 0x1}, 0x48) bpf$OBJ_PIN_PROG(0x6, &(0x7f00000011c0)={&(0x7f0000000000)='./file0/', r0}, 0x10) socketpair$inet6_sctp(0xa, 0x1, 0x84, &(0x7f0000003600)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r1, &(0x7f00000035c0)={&(0x7f0000001240)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, 0x80, &(0x7f0000002540)=[{&(0x7f00000012c0)=""/4096, 0x1000}, {&(0x7f00000022c0)=""/89, 0x59}, {&(0x7f0000002340)=""/129, 0x81}, {&(0x7f0000002400)=""/249, 0xf9}, {&(0x7f0000002500)=""/59, 0x3b}], 0x5, &(0x7f00000025c0)=""/4096, 0x1000, 0x80000001}, 0x10061) mkdir(&(0x7f00000000c0)='./file0/', 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000003840)={0x1, 0x28, &(0x7f0000003800)={0x0, 0x0}}, 0x10) r3 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000003880)={r2, 0x6, 0x8}, 0xc) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000003700)={r3, &(0x7f0000003640)="757109aa5b01afa16cf42eda15a192623ec520b8ad6ad56eebbfeee6d1f11037899b57d4f36c2c90e41ea9a7e31865bd6b697e85cb3591149b5380e082977efc70d6c0b6f53066f408aaee2511abda557c1fd7b528dfb35605246c56365abece74669bb7577ac14b6b4b41f7c092778a2bb76b2b1bd5dc886d70e0bba37447d7d59e5c40b400d0503526afaf0ba8437a66c385d38386b772751333d2f948c7917ad8f3b2179440"}, 0x10) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000003740)) mkdir(&(0x7f0000003780)='./file0\x00', 0x90) [ 153.427756] ? __kernel_text_address+0xd/0x40 [ 153.432442] should_fail+0x8c0/0xa40 [ 153.436157] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 153.441264] ? save_stack+0xa3/0xd0 [ 153.444892] ? save_stack+0x43/0xd0 [ 153.448611] ? kasan_kmalloc+0xad/0xe0 [ 153.452504] ? kasan_slab_alloc+0x12/0x20 [ 153.456653] ? kmem_cache_alloc+0x12e/0x760 [ 153.460979] ? alloc_vfsmnt+0xe0/0x9c0 [ 153.464869] ? vfs_kern_mount.part.26+0x84/0x4a0 [ 153.469714] ? do_mount+0xea4/0x2bb0 [ 153.473434] ? find_held_lock+0x35/0x1d0 [ 153.477509] ? check_same_owner+0x320/0x320 [ 153.481838] ? rcu_note_context_switch+0x710/0x710 [ 153.486776] should_failslab+0xec/0x120 [ 153.490754] __kmalloc_track_caller+0x5f/0x760 [ 153.495633] ? do_raw_spin_trylock+0x190/0x190 [ 153.500395] ? kstrdup_const+0x39/0x50 [ 153.504290] kstrdup+0x39/0x70 [ 153.507489] kstrdup_const+0x39/0x50 [ 153.511206] alloc_vfsmnt+0x1a5/0x9c0 [ 153.515008] ? path_lookupat+0x238/0xba0 [ 153.519070] ? mnt_free_id.isra.21+0x50/0x50 [ 153.523478] ? trace_hardirqs_off+0x10/0x10 2018/04/01 11:59:22 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:22 executing program 5: r0 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000000), 0x4) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r0, 0x0, 0xaa, 0xd3, &(0x7f0000000100)="7ab078e6d0c4fd1a31d708baf3d4df9557e9f671089a579c193bf500c831660949942998ed2cc48acfcadec7e9081474d7fb0ea2bd0607f27691e4dbc36fad248ab046d1437afab3db0c00afcf55cb92e2d6f6b7adb3e485644a0e9f4bc1ef33c943c2e9e664d76878f66b61443e942380a1acf579ebe5336577a8d600e6ac33f8ad0c9a87be8632de9a4457d6b7a58616f9da839f933d293759cde27909d4aa00cf0785fe66daac8134", &(0x7f00000001c0)=""/211, 0x6, 0x9}, 0x28) mkdir(&(0x7f00000000c0)='./file0/', 0x0) [ 153.527797] ? putname+0xee/0x130 [ 153.531246] ? putname+0xee/0x130 [ 153.534696] ? rcu_read_lock_sched_held+0x108/0x120 [ 153.539714] ? find_held_lock+0x35/0x1d0 [ 153.543787] ? __get_fs_type+0x8a/0xc0 [ 153.547677] ? lock_downgrade+0x980/0x980 [ 153.551826] ? module_unload_free+0x5b0/0x5b0 [ 153.556324] ? lock_release+0xa40/0xa40 [ 153.560304] ? mpi_resize+0x200/0x200 [ 153.564105] vfs_kern_mount.part.26+0x84/0x4a0 [ 153.568683] ? may_umount+0xa0/0xa0 [ 153.572310] ? _raw_read_unlock+0x22/0x30 2018/04/01 11:59:22 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000000)) [ 153.576452] ? __get_fs_type+0x8a/0xc0 [ 153.580337] do_mount+0xea4/0x2bb0 [ 153.583878] ? copy_mount_string+0x40/0x40 [ 153.588109] ? rcu_pm_notify+0xc0/0xc0 [ 153.591997] ? copy_mount_options+0x5f/0x2e0 [ 153.596405] ? rcu_read_lock_sched_held+0x108/0x120 [ 153.601421] ? kmem_cache_alloc_trace+0x459/0x740 [ 153.606444] ? kasan_check_write+0x14/0x20 [ 153.610684] ? copy_mount_options+0x1f7/0x2e0 [ 153.615183] SyS_mount+0xab/0x120 [ 153.618639] ? copy_mnt_ns+0xb30/0xb30 [ 153.622528] do_syscall_64+0x281/0x940 [ 153.626423] ? vmalloc_sync_all+0x30/0x30 [ 153.630577] ? _raw_spin_unlock_irq+0x27/0x70 [ 153.635078] ? finish_task_switch+0x1c1/0x7e0 [ 153.639582] ? syscall_return_slowpath+0x550/0x550 [ 153.644519] ? syscall_return_slowpath+0x2ac/0x550 [ 153.649457] ? prepare_exit_to_usermode+0x350/0x350 [ 153.654480] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 153.660026] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 153.664880] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 153.670071] RIP: 0033:0x454e79 [ 153.673301] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 153.681184] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 153.688456] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 153.695817] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 153.703175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 153.710478] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000007 [ 153.761061] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:23 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x1000000000000021) 2018/04/01 11:59:23 executing program 4 (fault-call:1 fault-nth:8): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:23 executing program 7: socketpair(0x5, 0x80004, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) recvmsg$kcm(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)=[{&(0x7f00000004c0)=""/199, 0xc7}, {&(0x7f0000000400)=""/35, 0x23}, {&(0x7f00000005c0)=""/70, 0x46}, {&(0x7f0000000440)=""/12, 0xc}], 0x4, 0x0, 0x0, 0xffffffff}, 0x2000) mkdir(&(0x7f00000006c0)='./file0\x00', 0x40) mkdir(&(0x7f0000000480)='./file0\x00', 0x1000000000000) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r1, &(0x7f0000000380)={&(0x7f00000000c0)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, 0x80, &(0x7f0000000240)=[{&(0x7f0000000180)=""/102, 0x66}, {&(0x7f0000000200)=""/45, 0x2d}], 0x2, &(0x7f0000000280)=""/243, 0xf3}, 0x2002) 2018/04/01 11:59:23 executing program 5: socketpair(0xa, 0x4, 0x7, &(0x7f0000000000)={0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xf, 0x6, 0x200, 0x4, 0x9, r0, 0x200}, 0x2c) 2018/04/01 11:59:23 executing program 6: socketpair$inet6_sctp(0xa, 0x1, 0x84, &(0x7f0000000000)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) 2018/04/01 11:59:23 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:23 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000900)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000040)=""/174, 0xae}, {&(0x7f0000000100)=""/62, 0x3e}, {&(0x7f0000000140)=""/61, 0x3d}, {&(0x7f0000000180)=""/154, 0x9a}, {&(0x7f0000000240)=""/213, 0xd5}, {&(0x7f0000000340)=""/225, 0xe1}, {&(0x7f00000004c0)=""/160, 0xa0}, {&(0x7f0000000440)}, {&(0x7f0000000580)=""/246, 0xf6}, {&(0x7f0000000680)=""/223, 0xdf}], 0xa, &(0x7f0000000840)=""/187, 0xbb, 0x800}, 0x40002002) 2018/04/01 11:59:23 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r1, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r1, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r3}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r1, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) close(r0) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r4, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) [ 154.330117] FAULT_INJECTION: forcing a failure. [ 154.330117] name failslab, interval 1, probability 0, space 0, times 0 [ 154.341502] CPU: 0 PID: 12189 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 154.348789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.352561] EXT4-fs (sda1): re-mounted. Opts: (null) [ 154.358139] Call Trace: [ 154.358159] dump_stack+0x194/0x24d [ 154.358172] ? arch_local_irq_restore+0x53/0x53 [ 154.358188] should_fail+0x8c0/0xa40 [ 154.358199] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 154.358217] ? lock_downgrade+0x980/0x980 [ 154.387196] ? lock_release+0xa40/0xa40 [ 154.391177] ? unwind_next_frame.part.6+0x1a6/0xb40 [ 154.396202] ? find_held_lock+0x35/0x1d0 [ 154.400281] ? check_same_owner+0x320/0x320 [ 154.404609] ? sget_userns+0x27d/0xe40 [ 154.408502] ? rcu_note_context_switch+0x710/0x710 [ 154.413877] should_failslab+0xec/0x120 [ 154.417858] kmem_cache_alloc_trace+0x4b/0x740 [ 154.422443] ? sysfs_mount+0xc2/0x1c0 [ 154.426247] ? mount_fs+0x66/0x2d0 [ 154.429795] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 154.434549] ? do_mount+0xea4/0x2bb0 [ 154.438259] ? SyS_mount+0xab/0x120 [ 154.441885] ? do_syscall_64+0x281/0x940 [ 154.445953] sget_userns+0x2a3/0xe40 [ 154.449668] ? kernfs_sop_show_path+0x190/0x190 [ 154.454605] ? kernfs_sop_show_options+0x180/0x180 [ 154.459581] ? destroy_unused_super.part.6+0xd0/0xd0 [ 154.464702] ? check_same_owner+0x320/0x320 [ 154.469029] ? rcu_pm_notify+0xc0/0xc0 [ 154.472927] ? kernfs_mount_ns+0xb5/0x8b0 [ 154.477079] ? rcu_read_lock_sched_held+0x108/0x120 [ 154.482098] ? kmem_cache_alloc_trace+0x459/0x740 [ 154.486944] ? lock_downgrade+0x980/0x980 [ 154.491106] kernfs_mount_ns+0x13d/0x8b0 [ 154.495172] ? kernfs_super_ns+0x70/0x70 [ 154.499245] sysfs_mount+0xc2/0x1c0 [ 154.502877] ? sysfs_kill_sb+0x40/0x40 [ 154.506833] ? alloc_pages_current+0xbe/0x1e0 [ 154.511332] ? security_sb_copy_data+0x81/0xb0 [ 154.515921] mount_fs+0x66/0x2d0 [ 154.519291] vfs_kern_mount.part.26+0xc6/0x4a0 [ 154.523875] ? may_umount+0xa0/0xa0 [ 154.527493] ? _raw_read_unlock+0x22/0x30 [ 154.531632] ? __get_fs_type+0x8a/0xc0 [ 154.535507] do_mount+0xea4/0x2bb0 [ 154.539043] ? copy_mount_string+0x40/0x40 [ 154.543361] ? rcu_pm_notify+0xc0/0xc0 [ 154.547234] ? copy_mount_options+0x5f/0x2e0 [ 154.551628] ? rcu_read_lock_sched_held+0x108/0x120 [ 154.556639] ? kmem_cache_alloc_trace+0x459/0x740 [ 154.561477] ? copy_mount_options+0x1f7/0x2e0 [ 154.565969] SyS_mount+0xab/0x120 [ 154.569415] ? copy_mnt_ns+0xb30/0xb30 [ 154.573285] do_syscall_64+0x281/0x940 [ 154.577152] ? vmalloc_sync_all+0x30/0x30 [ 154.581288] ? _raw_spin_unlock_irq+0x27/0x70 [ 154.585775] ? finish_task_switch+0x1c1/0x7e0 [ 154.590264] ? syscall_return_slowpath+0x550/0x550 [ 154.595629] ? syscall_return_slowpath+0x2ac/0x550 [ 154.600540] ? prepare_exit_to_usermode+0x350/0x350 [ 154.605541] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 154.610886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 154.615722] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 154.620919] RIP: 0033:0x454e79 [ 154.624092] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 154.631781] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 154.639046] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 154.646302] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 154.653639] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 154.661845] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000008 2018/04/01 11:59:24 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x0, 0x0) 2018/04/01 11:59:24 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0xfffffffffffffffd, &(0x7f00000002c0)) 2018/04/01 11:59:24 executing program 1: mkdir(&(0x7f0000000040)='./file0\x00', 0x80000000001) r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f00000002c0)={&(0x7f0000000280)='./file0\x00', 0x0, 0x8}, 0x10) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000300)={&(0x7f0000000240)='./file1\x00', r0}, 0x10) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xf, 0x10, &(0x7f0000000080)=@raw=[@generic={0x4, 0x10001, 0x4, 0x8}, @jmp={0x5, 0x6, 0x6, 0x4, 0x7, 0xc6}, @map={0x18, 0x0, 0x1, 0x0, 0x1}, @jmp={0x5, 0x1c000, 0xa, 0x5, 0x5, 0x24, 0xffffffffffffffff}, @call={0x85, 0x0, 0x0, 0x10}, @generic={0x8, 0x40, 0x510, 0x7fff}, @exit={0x95}, @initr0={0x18, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x5}], &(0x7f0000000100)='GPL\x00', 0x5, 0x18, &(0x7f0000000140)=""/24, 0x0, 0x1}, 0x48) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000200)={&(0x7f0000000000)='./file0\x00', r1}, 0x10) 2018/04/01 11:59:24 executing program 6: socketpair$inet(0x2, 0x7, 0x9, &(0x7f0000000080)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:24 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:24 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000001100)={0x8, 0x7, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x6}, [@exit={0x95}, @initr0={0x18, 0x0, 0x0, 0x0, 0x400, 0x0, 0x0, 0x0, 0xa3ed}], {0x95}}, &(0x7f0000000080)='GPL\x00', 0x100000001, 0x1000, &(0x7f0000000100)=""/4096, 0x40f00, 0x1}, 0x48) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000001180)={&(0x7f0000000000)='./file0/', r0}, 0x10) gettid() socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f00000011c0)) 2018/04/01 11:59:24 executing program 4 (fault-call:1 fault-nth:9): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:24 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r1, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r1, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r3}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r1, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000840)={&(0x7f0000000800)='./file1\x00', 0x0, 0x18}, 0x10) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r4, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) [ 155.297479] FAULT_INJECTION: forcing a failure. [ 155.297479] name failslab, interval 1, probability 0, space 0, times 0 [ 155.309047] CPU: 0 PID: 12221 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 155.316333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.325709] Call Trace: [ 155.328307] dump_stack+0x194/0x24d [ 155.331949] ? arch_local_irq_restore+0x53/0x53 [ 155.337089] ? kernel_text_address+0xd1/0xe0 [ 155.341504] ? __unwind_start+0x169/0x330 [ 155.345665] should_fail+0x8c0/0xa40 [ 155.349396] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 155.354537] ? save_stack+0x43/0xd0 [ 155.358172] ? kasan_kmalloc+0xad/0xe0 [ 155.362074] ? __kmalloc+0x162/0x760 [ 155.365799] ? __list_lru_init+0xcf/0x750 [ 155.369963] ? find_held_lock+0x35/0x1d0 [ 155.374043] ? __lock_is_held+0xb6/0x140 [ 155.378122] ? check_same_owner+0x320/0x320 [ 155.382458] ? rcu_note_context_switch+0x710/0x710 [ 155.387406] should_failslab+0xec/0x120 [ 155.391393] kmem_cache_alloc_node_trace+0x5a/0x760 [ 155.396424] ? mark_held_locks+0xaf/0x100 [ 155.400584] ? __raw_spin_lock_init+0x1c/0x100 [ 155.405179] __kmalloc_node+0x33/0x70 [ 155.408989] kvmalloc_node+0x99/0xd0 [ 155.412716] __list_lru_init+0x5d5/0x750 [ 155.416791] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 155.422707] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 155.427734] ? __lockdep_init_map+0xe4/0x650 [ 155.432153] ? lockdep_init_map+0x9/0x10 [ 155.436227] sget_userns+0x691/0xe40 [ 155.439956] ? kernfs_sop_show_path+0x190/0x190 [ 155.444640] ? kernfs_sop_show_options+0x180/0x180 [ 155.449580] ? destroy_unused_super.part.6+0xd0/0xd0 [ 155.454703] ? check_same_owner+0x320/0x320 [ 155.459216] ? rcu_pm_notify+0xc0/0xc0 [ 155.463117] ? rcu_read_lock_sched_held+0x108/0x120 [ 155.468580] ? kmem_cache_alloc_trace+0x459/0x740 [ 155.473436] ? lock_downgrade+0x980/0x980 [ 155.477599] kernfs_mount_ns+0x13d/0x8b0 [ 155.481674] ? kernfs_super_ns+0x70/0x70 [ 155.485746] sysfs_mount+0xc2/0x1c0 [ 155.489372] ? sysfs_kill_sb+0x40/0x40 [ 155.493265] ? alloc_pages_current+0xbe/0x1e0 [ 155.497778] ? security_sb_copy_data+0x81/0xb0 [ 155.502371] mount_fs+0x66/0x2d0 [ 155.505747] vfs_kern_mount.part.26+0xc6/0x4a0 [ 155.510333] ? may_umount+0xa0/0xa0 [ 155.513968] ? _raw_read_unlock+0x22/0x30 [ 155.518122] ? __get_fs_type+0x8a/0xc0 [ 155.521453] syz-executor2[12218] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 155.522014] do_mount+0xea4/0x2bb0 [ 155.536526] ? copy_mount_string+0x40/0x40 [ 155.540765] ? rcu_pm_notify+0xc0/0xc0 [ 155.544665] ? copy_mount_options+0x5f/0x2e0 [ 155.549080] ? rcu_read_lock_sched_held+0x108/0x120 [ 155.554103] ? kmem_cache_alloc_trace+0x459/0x740 [ 155.558964] ? copy_mount_options+0x1f7/0x2e0 [ 155.563471] SyS_mount+0xab/0x120 [ 155.566952] ? copy_mnt_ns+0xb30/0xb30 [ 155.570846] do_syscall_64+0x281/0x940 [ 155.574743] ? vmalloc_sync_all+0x30/0x30 [ 155.578921] ? _raw_spin_unlock_irq+0x27/0x70 [ 155.583433] ? finish_task_switch+0x1c1/0x7e0 [ 155.587949] ? syscall_return_slowpath+0x550/0x550 [ 155.592890] ? syscall_return_slowpath+0x2ac/0x550 [ 155.597839] ? prepare_exit_to_usermode+0x350/0x350 [ 155.602870] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 155.608259] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 155.613122] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 155.618319] RIP: 0033:0x454e79 [ 155.621508] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 155.629217] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 155.636485] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 2018/04/01 11:59:24 executing program 5: socketpair(0x200000002, 0x1, 0x40000001000001f, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000200)={&(0x7f00000001c0)='./file0/', r0}, 0x10) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000100)={&(0x7f0000000040)='./file0/', r0}, 0x10) mkdir(&(0x7f00000000c0)='./file0/', 0x0) mkdir(&(0x7f0000000000)='./file0/', 0x800000000000002) socketpair$inet_sctp(0x2, 0x1, 0x84, &(0x7f0000000140)) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000180)) 2018/04/01 11:59:24 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0x0, 0x800, 0x1, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$OBJ_PIN_PROG(0x6, &(0x7f00000001c0)={&(0x7f0000000140)='./file0\x00', r0}, 0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='rpc_pipefs\x00', 0x100008, &(0x7f00000000c0)="772ed55993724d33395c1d9152d341dcb626ab40797b2f27050095c5495c8ce107ce9a4705e7fd00d2d58510f72a63ffd98807d4eeec01c4b038448b666a210e6c146059e25721a93bd13ed910b7d24baee91ce3f0dba1603efb90292abf03a18c85f0806858e8a93f8f6d641ace1e0808085f0bf9d8605e33401d2f2e3d") 2018/04/01 11:59:24 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) bpf$OBJ_GET_PROG(0x7, &(0x7f00000000c0)={&(0x7f0000000080)='./file1\x00', 0x0, 0x10}, 0x10) 2018/04/01 11:59:24 executing program 5: mkdir(&(0x7f0000000100)='./file0\x00', 0x90) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0/'}, 0x10) 2018/04/01 11:59:24 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffc) 2018/04/01 11:59:24 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0xd, 0x6, 0x6, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r1, &(0x7f0000000740)={&(0x7f00000000c0)=@nfc_llcp, 0x80, &(0x7f00000006c0)=[{&(0x7f0000000180)=""/64, 0x40}, {&(0x7f0000000780)=""/111, 0x6f}, {&(0x7f0000000240)=""/198, 0xc6}, {&(0x7f0000000340)=""/82, 0x52}, {&(0x7f00000003c0)=""/163, 0xa3}, {&(0x7f00000004c0)=""/239, 0xef}, {&(0x7f00000005c0)=""/237, 0xed}], 0x7, 0x0, 0x0, 0x7f}, 0x40000040) mkdir(&(0x7f00000001c0)='./file0\x00', 0x8) recvmsg(r0, &(0x7f0000001b40)={&(0x7f0000000800)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000880)=""/184, 0xb8}, {&(0x7f0000000200)=""/49, 0x31}, {&(0x7f0000000940)=""/138, 0x8a}, {&(0x7f0000000a00)=""/4096, 0x1000}, {&(0x7f0000001a00)=""/67, 0x43}], 0x5, &(0x7f0000001b00)=""/38, 0x26, 0x9}, 0x40010100) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x2400, 0x6) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:24 executing program 5: socketpair$packet(0x11, 0x0, 0x300, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg(r0, &(0x7f0000003380)={0x0, 0x0, &(0x7f0000002200)=[{&(0x7f0000000040)="97814b4090", 0x5}, {&(0x7f0000000100)="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0x1000}, 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&(0x7f0000003440)=ANY=[@ANYBLOB="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"], 0x10f0, 0x45}, 0x0) mkdir(&(0x7f00000000c0)='./file0/', 0x0) r1 = perf_event_open(&(0x7f00000033c0)={0x7, 0x70, 0x6, 0x90ac, 0x7fff, 0x81, 0x0, 0x7, 0x4080, 0x0, 0x7fffffff, 0xbcc0, 0x1f, 0x7b92, 0x3ff, 0x9, 0x4, 0x7, 0x0, 0x3, 0x100000000, 0x101, 0x7fff, 0x2, 0x1, 0x9d, 0x7fffffff, 0x4, 0xfffffffffffffff8, 0x9, 0x10001, 0x5, 0x3, 0x52, 0x5, 0x7, 0x2a5d, 0x1, 0x0, 0x4, 0x2, @perf_config_ext={0x1f, 0x5}, 0x400, 0x7fdbc02f, 0x8000, 0x6, 0x3, 0x4, 0xecf5}, 0xffffffffffffffff, 0x0, 0xffffffffffffff9c, 0x1) ioctl$PERF_EVENT_IOC_DISABLE(r1, 0x2401, 0x7) 2018/04/01 11:59:24 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x8}, 0x10) [ 155.643754] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 155.651031] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 155.658304] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000009 2018/04/01 11:59:24 executing program 1: 2018/04/01 11:59:24 executing program 2: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) bpf$OBJ_GET_PROG(0x7, &(0x7f00000000c0)={&(0x7f0000000080)='./file1\x00', 0x0, 0x10}, 0x10) 2018/04/01 11:59:24 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f00000003c0)) socketpair(0x3, 0x803, 0x6, &(0x7f0000000400)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair(0xc, 0x3, 0x3, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r1) r2 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000240)=0xffffffff, 0x4) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000340)={r2, 0x50, &(0x7f00000002c0)={0x0, 0x0}}, 0x10) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000380)=r3, 0x4) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000280)={&(0x7f0000000200)='./file0/', r2}, 0x10) mount(&(0x7f0000000000)='./file0/', &(0x7f0000000040)='./file0/', &(0x7f0000000080)='sysfs\x00', 0x0, &(0x7f0000000100)="042c2fbee04b1697ba0ac318ee556342ca1d8404e4be2eabb0800c0402cea5c4d1da292116e1af1678091bab673897bb3c80b7e7555faca233bba3f6100652232c014633d10ebec0abdaea8d77cb39bf37f8ba7d868d430b7af1baac06d50fb31e27395276ef3bb611a010631ed7f675aff2f0b54c36ae7e7ba3bd10d294f59ff554458f1eb3ac859d3e501f7c3970e43b2bbf2f019e120228a822958981ca67204c8ee80dfe66e694f60485a7aa5d4d65e06e2d755797d4b6bf39510edaf3dc07a3512baf0744db") 2018/04/01 11:59:24 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file1\x00', 0x0, 0x18}, 0x10) bpf$OBJ_GET_PROG(0x7, &(0x7f00000000c0)={&(0x7f0000000080)='./file1/file0\x00', 0x0, 0x8}, 0x10) 2018/04/01 11:59:24 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:25 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000100)={&(0x7f00000000c0)='./file0\x00', 0x0, 0x18}, 0x10) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000180)={&(0x7f0000000080)='./file0\x00', r0}, 0x10) 2018/04/01 11:59:25 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r1, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r1, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r3}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r1, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) mkdir(&(0x7f00000007c0)='./file0\x00', 0x84) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r4, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:25 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x181) socketpair(0x1b, 0x6, 0xef, &(0x7f0000000000)) 2018/04/01 11:59:25 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair(0x0, 0x6, 0xfffffffffffeffff, &(0x7f0000000000)) 2018/04/01 11:59:25 executing program 2: socketpair(0x8, 0xe, 0x4, &(0x7f00000013c0)={0xffffffffffffffff}) sendmsg$kcm(r0, &(0x7f0000001840)={&(0x7f0000001400)=@sco={0x1f, {0x4, 0x7ff, 0x7, 0x7e0000, 0x5, 0x1}}, 0x80, &(0x7f0000001500)=[{&(0x7f0000001480)="397fa449522c4a1a4c30e459cecf1d64a96fc5d967e6ca4b56e102826e20dd80e1395d06e037d5c80269c8bbbc198de9ecef87055d746eaaf5cb6cd6fb50954c7924b1e0c6717baf0533", 0x4a}], 0x1, &(0x7f0000001540)=[{0xb8, 0x10c, 0x5, "302b7e8c0931e9bf02dda7e3cac59ae9ce851cc6b9aea8f0e883142b1b4ec666d028d662ce82b32e7eeea6d619f4fa60613ef79643eaa7876dfb4293ffe2708136f88f09b43dae0222dffc4b4ad8e1a24a80be46e7999cd0f04dc9d4e0f06aadcc7b7d9fa0278a6dadec18a47e5785b56e593bb08013cad50ea00348529acd33e4fddfbb3b80bd1ab8038163054f8b5bda00ee9d124e12ab065edf8fabe8ae7723bb019c"}, {0x88, 0x10a, 0x5e, "6770cf92fc86f956c5e19d6be2a3966c1c2188f61111dab90cdd4392d94c34180563e9bd9f2f8a6926d1751b536ed330350b7bcb9a5185d8a46fecb441c380c89400968984c9d9087b8fadac7e15f573e3b3e626a3c7333d7038670e6c62021790744cda7e903fcfebfc08123599f66ad967343fc2f3e06b"}, {0x18, 0x117, 0x6, "ab2d72f1ad5a"}, {0x88, 0x1ff, 0x8, "30893918a699b1c0f5b22d9b7ae4fe62bd75d66d26786084de03e298647191fd45d36814f024dcd4abb69a13cfcea1056b16f94b9d68bdb060d19beddeceafee41857a5661ed78da08b2246496498aa41e12922037b79e85ff718cb9a73f8794639b0cdf9d50c0f736473ccf1a537488ae7b82b68c90"}, {0xf8, 0x117, 0x4, "a250be2d7307e91a10f1092531ac920504ad4efa60166d1ed5b67c0be6134c2ff97fea22de98166a62782460f2d898315b4dbd3fd1f363c14e4fbd592442fa33f6feaa600fbf149840f472e497e6dffe4175522d4e6e7176ce489e6ec0b1245a0ff36d6fbe6d4230f0fcdc80c9587f53f2c35405ee726f8fdda67e073e277e2a77470ac83e192b5ab54193c08948cd4614bdd7c42f4dffe3175b7dc2a645883b7156f5fe7d4b97b18a884df4a62860212f7ac04cb2367a394e424ebd47db850af3acfea6b447a3bc43744ccaf1824167ead798e508e3bdf0d267b92987f068ea74c382375d"}], 0x2d8, 0x1}, 0x40091) mkdir(&(0x7f00000000c0)='./file0/', 0x0) 2018/04/01 11:59:25 executing program 4 (fault-call:1 fault-nth:10): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:25 executing program 5: mkdir(&(0x7f0000000040)='./file0/', 0x115) 2018/04/01 11:59:25 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='cpuset\x00', 0x100000, &(0x7f0000000200)="ae9f00aaa736044cd4949ba933dd14f5067cc669c55becee491dbd6b6a07b312a3ec78d94cde7f0b07b7185b67ff7b1aeff09ce1088c6dd31f42202a51d6e8a4d5edec2e0091ebe7a1b6d838ccda80c27065c969880140e123f68eae26aaefceae7e1a931cff80e8df97e7b70f8cd86a0599d11d28b2df3231a6a7f89a7ca6de45cbdc6218dfb16648dc37df47e789a769e4e6cab60d758381adc6bd46ef4424d4a095eda7b40ba1aeb344d6eb72a2ece561ef1d3fffdbd7f5e08a1c2272465039fe72a971e04d2c9a32100b4e8ca241926a66b121b7e94e75569740fcde") 2018/04/01 11:59:25 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000040)) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000080)={0xffffffffffffff9c, 0x50, &(0x7f0000000100)={0x0, 0x0}}, 0x10) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000180)=r0, 0x4) socketpair$inet6(0xa, 0x2, 0x9, &(0x7f0000000000)) 2018/04/01 11:59:25 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000580)={0x0, 0xe, &(0x7f0000000380)=@raw=[@jmp={0x5, 0x100, 0x7, 0xb, 0xc, 0xffffffcc, 0xd7007ff03e3ec110}, @map={0x18, 0xf, 0x1, 0x0, 0x1}, @generic={0x80000001, 0xfff, 0x1, 0x8}, @map={0x18, 0xc, 0x1, 0x0, 0x1}, @call={0x85, 0x0, 0x0, 0x3c}, @exit={0x95}, @initr0={0x18, 0x0, 0x0, 0x0, 0x80000000000000, 0x0, 0x0, 0x0, 0x2}], &(0x7f0000000400)='GPL\x00', 0x4, 0xba, &(0x7f00000004c0)=""/186, 0x41f00, 0x1}, 0x48) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000440)={&(0x7f0000000140)='./file0\x00', r0}, 0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000340)='sysfs\x00', 0x0, &(0x7f00000002c0)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r1, &(0x7f0000000300)={&(0x7f00000000c0)=@rc, 0x80, &(0x7f00000002c0)=[{&(0x7f0000000180)=""/64, 0x40}, {&(0x7f00000001c0)=""/149, 0x95}, {&(0x7f0000000280)=""/51, 0x33}], 0x3, 0x0, 0x0, 0x5}, 0x10040) [ 156.268563] FAULT_INJECTION: forcing a failure. [ 156.268563] name failslab, interval 1, probability 0, space 0, times 0 [ 156.279868] CPU: 1 PID: 12303 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 156.287144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.296508] Call Trace: [ 156.299112] dump_stack+0x194/0x24d [ 156.302754] ? arch_local_irq_restore+0x53/0x53 [ 156.307437] ? kernel_text_address+0xd1/0xe0 [ 156.311852] ? __unwind_start+0x169/0x330 2018/04/01 11:59:25 executing program 1: mkdir(&(0x7f0000000080)='./file0\x00', 0x10) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000000)) [ 156.316053] should_fail+0x8c0/0xa40 [ 156.319791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 156.324908] ? save_stack+0x43/0xd0 [ 156.328540] ? kasan_kmalloc+0xad/0xe0 [ 156.332434] ? __kmalloc+0x162/0x760 [ 156.336154] ? __list_lru_init+0xcf/0x750 [ 156.341074] ? find_held_lock+0x35/0x1d0 [ 156.345148] ? __lock_is_held+0xb6/0x140 [ 156.349226] ? check_same_owner+0x320/0x320 [ 156.353562] ? rcu_note_context_switch+0x710/0x710 [ 156.358501] should_failslab+0xec/0x120 [ 156.362485] kmem_cache_alloc_node_trace+0x5a/0x760 2018/04/01 11:59:25 executing program 0: [ 156.367508] ? mark_held_locks+0xaf/0x100 [ 156.371666] ? __raw_spin_lock_init+0x1c/0x100 [ 156.376263] __kmalloc_node+0x33/0x70 [ 156.380076] kvmalloc_node+0x99/0xd0 [ 156.383804] __list_lru_init+0x5d5/0x750 [ 156.387879] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 156.393773] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 156.398801] ? __lockdep_init_map+0xe4/0x650 [ 156.403226] ? lockdep_init_map+0x9/0x10 [ 156.407297] sget_userns+0x691/0xe40 [ 156.411024] ? kernfs_sop_show_path+0x190/0x190 2018/04/01 11:59:25 executing program 1: ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)={0xffffffffffffff9c}) recvmsg$kcm(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000040)=""/54, 0x36}, {&(0x7f00000004c0)=""/4096, 0x1000}, {&(0x7f0000000080)=""/127, 0x7f}, {&(0x7f0000000100)=""/30, 0x1e}, {&(0x7f0000000140)=""/81, 0x51}], 0x5, &(0x7f0000000240)=""/215, 0xd7, 0x3}, 0x22) mkdir(&(0x7f0000001580)='./file0\x00', 0x131) recvmsg(r0, &(0x7f0000001540)={&(0x7f0000000380)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, 0x80, &(0x7f00000014c0)=[{&(0x7f0000000400)=""/109, 0x6d}], 0x1, &(0x7f0000001500)=""/20, 0x14, 0xc2a}, 0x40000000) 2018/04/01 11:59:25 executing program 6: socketpair(0x19, 0xa, 0x7, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0x6) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) [ 156.415708] ? kernfs_sop_show_options+0x180/0x180 [ 156.420653] ? destroy_unused_super.part.6+0xd0/0xd0 [ 156.425783] ? check_same_owner+0x320/0x320 [ 156.430117] ? rcu_pm_notify+0xc0/0xc0 [ 156.434042] ? rcu_read_lock_sched_held+0x108/0x120 [ 156.439075] ? kmem_cache_alloc_trace+0x459/0x740 [ 156.443928] ? lock_downgrade+0x980/0x980 [ 156.448095] kernfs_mount_ns+0x13d/0x8b0 [ 156.452163] ? kernfs_super_ns+0x70/0x70 [ 156.456233] sysfs_mount+0xc2/0x1c0 [ 156.459868] ? sysfs_kill_sb+0x40/0x40 [ 156.463763] ? alloc_pages_current+0xbe/0x1e0 2018/04/01 11:59:25 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001540)={&(0x7f00000013c0)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, 0x80, &(0x7f0000001440), 0x0, &(0x7f0000001480)=""/178, 0xb2, 0x4}, 0x10000) bpf$PROG_LOAD(0x5, &(0x7f0000001580)={0x5, 0x5, &(0x7f0000000140)=@framed={{0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3}, [@exit={0x95}], {0x95}}, &(0x7f0000000180)='GPL\x00', 0x6, 0xa4, &(0x7f00000001c0)=""/164, 0x41100, 0x1, [], r0}, 0x48) r1 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x18}, 0x10) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000100)={r1, &(0x7f0000000080)="1bf233a3f9ca4325e9326e1d4b3c6b58340d80940e86b58c61aae4597f20c80de20156ccc756e48cba0cc081d6c74fd18dec76756b089f6769ea5d9d29dab20e57ede2691027a352ee9519730b129ed001a5729f1c50224f8feb4f401cd4946178cc5b5fc45cc715dcbcf3c845e3f314c1c6b4ef2b62141190670497175e58b9"}, 0x10) 2018/04/01 11:59:25 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x0, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 156.468444] ? security_sb_copy_data+0x81/0xb0 [ 156.473032] mount_fs+0x66/0x2d0 [ 156.476407] vfs_kern_mount.part.26+0xc6/0x4a0 [ 156.481004] ? may_umount+0xa0/0xa0 [ 156.484635] ? _raw_read_unlock+0x22/0x30 [ 156.488788] ? __get_fs_type+0x8a/0xc0 [ 156.492680] do_mount+0xea4/0x2bb0 [ 156.496226] ? copy_mount_string+0x40/0x40 [ 156.500461] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 156.505484] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 156.510253] ? retint_kernel+0x10/0x10 [ 156.514149] ? __sanitizer_cov_trace_pc+0x1a/0x50 2018/04/01 11:59:25 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x2) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) [ 156.518997] ? copy_mount_options+0x1f7/0x2e0 [ 156.523503] SyS_mount+0xab/0x120 [ 156.526957] ? copy_mnt_ns+0xb30/0xb30 [ 156.531019] do_syscall_64+0x281/0x940 [ 156.535213] ? vmalloc_sync_all+0x30/0x30 [ 156.539363] ? _raw_spin_unlock_irq+0x27/0x70 [ 156.543861] ? finish_task_switch+0x1c1/0x7e0 [ 156.548368] ? syscall_return_slowpath+0x550/0x550 [ 156.553404] ? syscall_return_slowpath+0x2ac/0x550 [ 156.558513] ? prepare_exit_to_usermode+0x350/0x350 [ 156.563542] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 156.568919] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 156.573772] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 156.578957] RIP: 0033:0x454e79 [ 156.582148] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 156.589857] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 156.597473] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 156.604745] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 156.605553] EXT4-fs (sda1): re-mounted. Opts: (null) [ 156.612008] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 156.612014] R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000000a 2018/04/01 11:59:26 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) recvmsg$kcm(0xffffffffffffff9c, &(0x7f0000000340)={&(0x7f0000000000)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @loopback}}}, 0x80, &(0x7f0000000080)=[{&(0x7f0000000100)=""/81, 0x51}, {&(0x7f0000000180)=""/92, 0x5c}, {&(0x7f0000000200)=""/222, 0xde}], 0x3, &(0x7f0000000300)=""/58, 0x3a, 0x3c}, 0x1) sendmsg$kcm(r0, &(0x7f0000002680)={&(0x7f0000000380)=@nfc={0x27, 0x0, 0x2, 0x4}, 0x80, &(0x7f00000025c0)=[{&(0x7f0000000400)="2cebb8836628cbdb8582e2e764cc8c1eb0eda0842aa6c7c633e0524ef1d44705ae6be3c4d6bb87e142ab6a212f1ac5003d629a67e949eb79b9164da1d6298321fbc8fac87a983584cc40583f2880655f5b973ae59de6796e94fbdb887b831dc8a7bf11950380e3641bdfe2d66b8067a1b836a3257102df7c09ddb90785198c07d2edd9629105cf2a5bfdf7796c40d85469c5674a64fb26da369c8b0721e5402d0c2a501060eae79b06cec564b0b1ca1f195b03d320a5db3d27e462307d087d23e7ceb44839de41b5cb7e9b11b80d162d8e4cb87980f59e4b16c683f25f7ae91f442b63780254e348e179efae37cde4f34c6f2dfeabfa4a46bb2648015293e7f45272f390af7cab283d1c41a7c164eafa456a3bd7009f98af17b14211e903de8e47590f350eab702ee6806f3b5bef3b2d99a56f686c8119d447231a979786b199b7fd9bec75c33dc8805c687850de6d5ff3534bb4c02401af144c55c8679191e119fa5fb174103da879445fd0409a0355ca7981ca94842b2c4d3b161cc1df1e47b95a8a3df9ec7414af8fee075c7c570001ecec6b91d1ee1d2b4d6bdef77ac872981ff317eda1b24c1a7e983baf56848796a03fe8ada46e6a0e624d774f802f71bbce637878b80ab1b723f484fbbc9417cf77aa5ed99b34127e870a90d375bcd1d2c0c15e3c18611e521903aa03e1d6946350897fbbd988d7e32313beca406e36da74299a422de6aff1044ef1d2d348fa04a59ccb80411c297e1c0340002e475bc83173653d8c7e66788b8b2eb7fdcd183713558d0aa36dc2e343404de398290b4a353193bd3d8d4d2c922977d10d5d81cf37da83a2ff0b04c5980018b5c586994aabd7b1dc8bff8732f633b994f4af41ceb97f89583cd67188cb9251a587a0b1c0ad3d57861b666dd8b75c463786e05ca953c17387e5652d2afd30c530df9e52c8fbb46604c755ba5e838d945f5cd92309d20491fd670f4747f50613becd1f2c47a735426890088949f139b9f8b621e7a75ef4d47a5834138e712a7a9e87c46605a9d93b63a8c69010750176d0abca25973a0a265962f398bade202490440fe3beb460ea69a2758fa5a887c37095608891dd4849401d6a0d945334ccf950f730c8b9edd5a9c1f7e8a7192ebb4e165cd5a881aaf45bdcd7942cfc7deaa9a01d11449b8c58e1eeeb4e3bd2f2771ac78b767b7733dd8d0884487375947c0bb801b0f4c3c889004d2849200640c27ca0c0cb048683d851753b173974071dbc7382f79bddef8d35c86abdf2f807ee40e0b539573016a9d89ff0ad90f24ff4cce91f985a44403736c4ade58a927581a49e3e91a613b0748b06776907b34bf425f03df21e698479a13b10898ba7c547aec122e9a5c872cac794bd56c4600efa9917fdda42319cedc0ee6ce4a37d7987f6f588c553f1156b0d52c6f1dd7c54f8f1991e62458a51f8c70caf0d175319d07b15cba583fe9d0d8fd80d84f2f320d6449f061b56f455c0024ace223088d730888d67c7a87218c770ded4756fb2aa01310ae82e956ae0e60cbcfa2aad2fa681cc7f348062ce1a47316ac5cf724e91bcb889fd65eaa412760a73b7754cc266665054b20655908e48ca1c76a665234740f0c3fc88fd78ecc164cfdbb3a2c4a3bf1b898cba0bf06af930a28b4e003245ea866aec006e89c3d3e765ec1d40b96a20012a6aefcf34c8e23742c8727e8aaa2b472a38893d7dc58c008b8da9603b6de0e8d5320bac9df3dcb577ad99551df96acf4e73e296e31ff8e62e01950e21a645807a74a62e04a423d2261c96e1d443aa66944750c107581a33630d24746b10b355cabc2834491b4e60d753f7021d67d89d9b41124cb840069e986156752bac198c6687ae7a4bc9d018365e5d935b0276b84cf46d7081ae7c6f366ee5eb70297badfb307f68a0903a49ff55b508ce5436c5db62f335c3b884eaa7fa6b78fa12015218118f4332ee529374814cc9818e5fb747847bbf4365380ac1051ebf94df95574d99a40aa76d479e3c6407af20af4c5f389bd05597484ce81cf1c621f3aa60b212e06777a26651dc6cad6092d43676d903da5eb298bec82f5f8be979bf4c27cb07f63c10c15616023ba2c61e68582a546bcccde99b2a28a520349f915c0c3a4b8488ca13ad8cf797d6db91885d16732ea012ceeb6e3bdbe8800ba6295655e748a525ed64717ce420aacd14d8c06036a492bdda91b8c3bd8a7060df9fc7651599bf84e6dabe83089a5cee26b7842545308a41cadf163889bf851a01da0de3f96b4011475e85edbbce36284c613f681a14cc5d750ab9985747f90d6c08219ed04b9181e5f1d3d1485cf72bec5e98d156a15933688399f3f09d6297b2d4a0b117ed1e0e2cedd70ad616df3774d16a96109f3f7b2f0eeb8e79049966113756a27bcc94b9fd9f70de7ab7adeb6415b2b062e9b078cb0b891870c594e1fa23f83b86ca8c092fee41e188e5a605f10dc0003debc790f3b5fc82bae6ddef458bc22774b4e026d8be54955bcb306e35d2d64792a43784f653d780745c84f41b4bf27d189d9990e102b450731eb1f28a31d3819d12802f636b29fd7c6fad542d4f46a1490bd69e6977859579343709b5fc993134640ca21bcafab669369bf2fc485ec9a6bfa5316fce843a0ab0dc1bfbd51eb7498eb390d34fb7a0201edb5b9cb772f3bee5d1f492bf2608f82f9bf10f8a6ff93c6c8da3cd9e32d96fe0be4ea1170bb25ebc2907adb34c6a0c26fbbf2b0ed7176964e28b7fae9b537a0d85c422e5fbe6430cd0bfe4cf9f25d779594e6edf8c8d68572e87efc057f4c821b119635e27b4027bfb40bbfdf9dcace546e0ab7bb258f2ce4e07c8725479eb4aeac4c585ec55578a846b9b9a224420f64ae59f663a0f87ac50b17c6f07a07d77bdf78f297d36faa4859efc99ba285de00ae586f08168571b77f8427ac07c80d2a99a6c497efb4da508bd3f24c140ffb811747295a870f5b4d8a48805a2ae3a9969d79a1209d37db9ecd7b6c857f14e40122d7a5a5ed1f847d2731dde0a60238bbb8244522b06ffefb3a0f444cb9bc0caebef335d17a89750a3ac864b82e393688f7a91d7f08593fbf0747e8c213b73cccee405253d50e3e8fef4e7c4ecd6299140fd9a38f1d082a9762aea059b5621b035d126614e15fb106945ca9e68f76cd187c657907e5dd9f9d81479c2929f51bf4d9d78fc2f7e565cae63c355f1e9790e7df8b54c2dc94610dc7bf4a07d2a90cb815f952f1cfdf59706b37a86289c48b95d5c1df509b6db1b664d50ec4d81582b63210d42d9e020aa1c50a986b12bedf1c204087f2b0833e324a7e6835b496226d79ba82c4abbe61436fc723ca67c26dda857ff35bd1c25d6dbb063dc9afe796a079faa70599b77b43ee32b8d49cb4ed3342d796dd7766f91d7b476d12f7d7ed47e46b418d4c8187f1e170c1e41480a6e1e193e7afe60b46eef0c240be0fb18cb7245772a0924e9a09e0c3e78428a720fbecb2c64eee31088196dc26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0x1000}, {&(0x7f0000001400)="6c1bb9f1d95935171b9a151e06327e0269ae05143e67ac261504221e3c16431b49e9d95403c43557dc806bdce791923677b109f509e8d60cac2151d15ffd64e09b3966d77a766fa78cfcd9d774582c9ca8741e6b488273bc1bc93791a580d48c60eb92e2f74e03ab35c2f528148268ebe6d6116043acd253077bd5b8a87471a85b794f31afb073402720badb34cdee279201f175155a66d768f6e5a509108f2324a7d1875723b6046b882015140983d042367f76d6ef2dace63c2f8e67c9a6f686de21a8485493f6be41acdb032915eef2311da4e6c9a4d7574e7330830c50f3ef085680c043683b5066", 0xea}, {&(0x7f0000001500)="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0x1000}, {&(0x7f0000002500)="8558328f55df39900711f916732388f5006fc026a5411d0ed7d2787b09c3bd7c19a67ef3002940e21b514988ec2030cee1879db333d246d22f6c137e768259e0cd005dd4db2a36bd955832077ef5bb077e6da3b911702c19c9bca95878618a698c420b54bc2cbf6009f37dc19b568aa8d3d25a29f53d24c6bf148e0033b8cc2f0c3d4f80657a37683bd8cc1ddb09c9bd2438c1aa5995300ba71516979dd57c2f7da70cba4cf15172", 0xa8}], 0x4, &(0x7f0000002600)=[{0x68, 0x112, 0x100000000, "76c51d691be30d380dcec494c88cd0c7a338799487fdd6bfa18c56bea56abfd7fc09d60eb49fc579dd33d9f729a5046ff8d614518d40b042c8ee62c08fd0e3982df5a16e7891fc35cae574cc372662bd7955"}], 0x68, 0x15}, 0x4000000) 2018/04/01 11:59:26 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000240)) r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000180)={&(0x7f0000000140)='./file0\x00', 0x0, 0x8}, 0x10) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000000c0)) r1 = perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x4, 0x2, 0x200, 0x7, 0x0, 0xed, 0x0, 0x8, 0xfffffffffffffffd, 0x10000, 0x4, 0x0, 0x1, 0xffffffff, 0x1357, 0xd8e9, 0x4, 0x4, 0xffffffff, 0x20, 0x8000, 0x2, 0x5, 0xffffffffffffffc1, 0x101, 0x8484, 0x7fffffff, 0x4, 0x2, 0x100000001, 0xfffffffffffff540, 0x8, 0x20, 0x1, 0x5, 0x1f, 0x0, 0x5, 0x3, @perf_bp={&(0x7f0000000000), 0x4}, 0x0, 0x2, 0x7fff, 0x2, 0x17d0, 0xadb, 0x1}, 0xffffffffffffffff, 0x4, 0xffffffffffffffff, 0x2) ioctl$PERF_EVENT_IOC_PERIOD(r1, 0x40082404, &(0x7f0000000040)=0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000080)={0x0, r0, 0x0, 0x1}, 0x14) 2018/04/01 11:59:26 executing program 1: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000000), 0x4) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000180)={r0, 0x0, 0xf9, 0x3e, &(0x7f0000000040)="c9ef0072dd5dd93b136b5c237906118f943fa8d2b2bb8e875cfa69c2d6329cb2fb2a88495bf353fabaf33455967159bb1a653e8fb571a236a2a57b9f4a470576e5f9705001818bad4a734030995ad96f042cfe1ff456f074d2543f73208fcf26828c35530e3ad332224601ab02e7cb8951a2203659a7f32010cad77b2193ee578a67d8e29768e4c334c7265be05a6320e317b54afe3cc107e10daae5f8f39f4a8beb3b2b6800dd679a18bd2f1628dee772b00672a519ad8bfc61f12b707e9fda90da9c3f4299db89a913cdff369285c010477f0ea048cb4efe114daaeeddb50a563f27ad5d90eb1c0c51800420708b185c12b5c71f3bf6c9e9", &(0x7f0000000140)=""/62, 0x100000000, 0x81}, 0x28) 2018/04/01 11:59:26 executing program 0: r0 = getpid() socketpair(0xf, 0x800, 0x1ff, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000180)={&(0x7f0000000140)='./file0\x00', r1}, 0x10) r2 = perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0xff, 0x200, 0x1ce5, 0x0, 0x8, 0x82000, 0x1, 0x14, 0x0, 0xfffffffffffffff7, 0xccb, 0xffffffffffffff91, 0x8, 0x8, 0xfffffffffffffff3, 0x4, 0x9, 0x2, 0x0, 0x5, 0x4, 0x7, 0x0, 0x5, 0x0, 0x4, 0x545, 0xff, 0x7, 0x8000, 0x3, 0xfffffffffffffeff, 0x0, 0x7fff, 0xfffffffffffffffb, 0x0, 0x2, 0x5, @perf_bp={&(0x7f0000000000), 0x2}, 0x2, 0x8001, 0x1, 0x1, 0xfffffffffffffffd, 0x5, 0x2}, r0, 0x7, r1, 0x8) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x2400, 0x0) ioctl$PERF_EVENT_IOC_REFRESH(r1, 0x2402, 0x1) socketpair$ax25(0x3, 0x3, 0xc7, &(0x7f0000000100)) 2018/04/01 11:59:26 executing program 4 (fault-call:1 fault-nth:11): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:26 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r1, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r1, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r3}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) recvmsg$kcm(r1, &(0x7f0000001bc0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000001a80)=[{&(0x7f0000000900)}, {&(0x7f00000009c0)=""/106, 0x6a}, {&(0x7f0000000a40)=""/15, 0xf}, {&(0x7f0000000a80)=""/4096, 0x1000}], 0x4, &(0x7f0000001b00)=""/166, 0xa6, 0x8001}, 0x40) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r4, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:26 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000180)) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) mkdir(&(0x7f00000000c0)='./file0\x00', 0x80) r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f00000001c0)={0xffffffff, 0x43, 0x10}, 0xc) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000200)={&(0x7f0000000100)='./file0\x00', r0}, 0x10) mkdir(&(0x7f0000000080)='./file0\x00', 0x80) 2018/04/01 11:59:26 executing program 2: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000580)={0x0, 0xe, &(0x7f0000000380)=@raw=[@jmp={0x5, 0x100, 0x7, 0xb, 0xc, 0xffffffcc, 0xd7007ff03e3ec110}, @map={0x18, 0xf, 0x1, 0x0, 0x1}, @generic={0x80000001, 0xfff, 0x1, 0x8}, @map={0x18, 0xc, 0x1, 0x0, 0x1}, @call={0x85, 0x0, 0x0, 0x3c}, @exit={0x95}, @initr0={0x18, 0x0, 0x0, 0x0, 0x80000000000000, 0x0, 0x0, 0x0, 0x2}], &(0x7f0000000400)='GPL\x00', 0x4, 0xba, &(0x7f00000004c0)=""/186, 0x41f00, 0x1}, 0x48) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000440)={&(0x7f0000000140)='./file0\x00', r0}, 0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000340)='sysfs\x00', 0x0, &(0x7f00000002c0)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r1, &(0x7f0000000300)={&(0x7f00000000c0)=@rc, 0x80, &(0x7f00000002c0)=[{&(0x7f0000000180)=""/64, 0x40}, {&(0x7f00000001c0)=""/149, 0x95}, {&(0x7f0000000280)=""/51, 0x33}], 0x3, 0x0, 0x0, 0x5}, 0x10040) [ 157.475710] FAULT_INJECTION: forcing a failure. [ 157.475710] name failslab, interval 1, probability 0, space 0, times 0 [ 157.487109] CPU: 0 PID: 12376 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 157.494389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.503751] Call Trace: [ 157.506340] dump_stack+0x194/0x24d [ 157.510060] ? arch_local_irq_restore+0x53/0x53 [ 157.514731] ? __save_stack_trace+0x7e/0xd0 [ 157.519068] should_fail+0x8c0/0xa40 [ 157.522783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 157.527887] ? kasan_kmalloc+0xad/0xe0 [ 157.531774] ? kmem_cache_alloc_trace+0x136/0x740 [ 157.536611] ? __memcg_init_list_lru_node+0x169/0x270 [ 157.541799] ? __list_lru_init+0x544/0x750 [ 157.546032] ? sget_userns+0x691/0xe40 [ 157.549917] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 157.554671] ? do_mount+0xea4/0x2bb0 [ 157.558381] ? SyS_mount+0xab/0x120 [ 157.562009] ? do_syscall_64+0x281/0x940 [ 157.566075] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 157.571442] ? find_held_lock+0x35/0x1d0 2018/04/01 11:59:26 executing program 7: r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f00000001c0)={&(0x7f0000000180)='./file0\x00', 0x0, 0x40000001c}, 0x10) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0xe, 0x4, &(0x7f0000000240)=@raw=[@ldst={0x0, 0x0, 0x3, 0x0, 0xb, 0x30, 0xfffffffffffffffc}, @map={0x18, 0x1, 0x1, 0x0, r0}], &(0x7f0000000280)='syzkaller\x00', 0x5, 0xe3, &(0x7f00000002c0)=""/227, 0x41f00, 0x1}, 0x48) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000440)={&(0x7f0000000200)='./file0\x00', r1}, 0x10) mount(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='fuse\x00', 0x8000, 0x0) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000500)={&(0x7f0000000000)='./file0\x00', r1}, 0x10) socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f0000000540)) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000580)) mount(&(0x7f0000000480)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)="0dfc74e700", 0x0, &(0x7f00000004c0)="a976fd1d9caf1a18a0c09278be57d4f6d0ef7a27e168f50b7cee2f372d9860653b63b84dc0b6363d34bcdcdbe9c7c0d938c2b1cfdfb4df9784") 2018/04/01 11:59:26 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) close(r0) 2018/04/01 11:59:26 executing program 1: mkdir(&(0x7f0000000040)='./file0\x00', 0x90) mkdir(&(0x7f0000000000)='./file0\x00', 0x80) 2018/04/01 11:59:26 executing program 5: [ 157.575507] ? __lock_is_held+0xb6/0x140 [ 157.579579] ? check_same_owner+0x320/0x320 [ 157.583897] ? rcu_note_context_switch+0x710/0x710 [ 157.588828] should_failslab+0xec/0x120 [ 157.592804] kmem_cache_alloc_trace+0x4b/0x740 [ 157.597380] ? __kmalloc_node+0x33/0x70 [ 157.601348] ? __kmalloc_node+0x33/0x70 [ 157.605320] ? rcu_read_lock_sched_held+0x108/0x120 [ 157.610338] __memcg_init_list_lru_node+0x169/0x270 [ 157.615355] ? list_lru_add+0x7c0/0x7c0 [ 157.619322] ? __kmalloc_node+0x47/0x70 [ 157.623296] __list_lru_init+0x544/0x750 [ 157.627359] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 157.633243] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 157.638262] ? __lockdep_init_map+0xe4/0x650 [ 157.642669] ? lockdep_init_map+0x9/0x10 [ 157.646738] sget_userns+0x691/0xe40 [ 157.650448] ? kernfs_sop_show_path+0x190/0x190 [ 157.655119] ? kernfs_sop_show_options+0x180/0x180 [ 157.660045] ? destroy_unused_super.part.6+0xd0/0xd0 [ 157.665149] ? check_same_owner+0x320/0x320 [ 157.669472] ? rcu_pm_notify+0xc0/0xc0 [ 157.673359] ? rcu_read_lock_sched_held+0x108/0x120 [ 157.678369] ? kmem_cache_alloc_trace+0x459/0x740 [ 157.683241] ? lock_downgrade+0x980/0x980 [ 157.687393] kernfs_mount_ns+0x13d/0x8b0 [ 157.691452] ? kernfs_super_ns+0x70/0x70 [ 157.695521] sysfs_mount+0xc2/0x1c0 [ 157.699140] ? sysfs_kill_sb+0x40/0x40 [ 157.703022] ? alloc_pages_current+0xbe/0x1e0 [ 157.707515] ? security_sb_copy_data+0x81/0xb0 [ 157.712081] mount_fs+0x66/0x2d0 [ 157.715425] vfs_kern_mount.part.26+0xc6/0x4a0 [ 157.719980] ? may_umount+0xa0/0xa0 [ 157.723585] ? _raw_read_unlock+0x22/0x30 [ 157.727712] ? __get_fs_type+0x8a/0xc0 [ 157.731579] do_mount+0xea4/0x2bb0 [ 157.735095] ? copy_mount_string+0x40/0x40 [ 157.739307] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 157.744304] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 157.749042] ? retint_kernel+0x10/0x10 [ 157.752906] ? copy_mount_options+0x18b/0x2e0 [ 157.757375] ? copy_mount_options+0x196/0x2e0 [ 157.761842] ? copy_mount_options+0x1f7/0x2e0 [ 157.766313] SyS_mount+0xab/0x120 [ 157.769743] ? copy_mnt_ns+0xb30/0xb30 [ 157.773605] do_syscall_64+0x281/0x940 [ 157.777466] ? vmalloc_sync_all+0x30/0x30 [ 157.781585] ? _raw_spin_unlock_irq+0x27/0x70 [ 157.786057] ? finish_task_switch+0x1c1/0x7e0 [ 157.790528] ? syscall_return_slowpath+0x550/0x550 [ 157.795440] ? syscall_return_slowpath+0x2ac/0x550 [ 157.800350] ? prepare_exit_to_usermode+0x350/0x350 [ 157.805353] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 157.810714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 157.815544] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 157.820713] RIP: 0033:0x454e79 [ 157.823889] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 157.831574] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 157.838819] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 157.846071] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 157.853330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 157.860748] R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000000b 2018/04/01 11:59:27 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x0, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)=[{&(0x7f00000006c0)=""/189, 0xbd}], 0x1}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:27 executing program 6: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000440)={&(0x7f0000000040)='./file0/file0\x00', 0x0, 0x10}, 0x10) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f00000005c0)={r0, 0x0, 0x4, 0x95, &(0x7f0000000480)="0082c7d9", &(0x7f0000000500)=""/149, 0x102, 0x4}, 0x28) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000080), 0x4) bpf$OBJ_PIN_PROG(0x6, &(0x7f00000000c0)={&(0x7f0000000000)='./file0\x00', r1}, 0x10) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f00000004c0)={0xffffffffffffffff}) recvmsg(r2, &(0x7f0000000400)={&(0x7f0000000100)=@ipx, 0x80, &(0x7f0000000300)=[{&(0x7f0000000180)=""/20, 0x14}, {&(0x7f00000001c0)=""/69, 0x45}, {&(0x7f0000000240)=""/144, 0x90}], 0x3, &(0x7f0000000340)=""/147, 0x93, 0x63}, 0x40) 2018/04/01 11:59:27 executing program 5: mkdir(&(0x7f0000000040)='./file0/', 0x41) socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f0000000080)) mkdir(&(0x7f0000000000)='./file0/', 0x40008000000) 2018/04/01 11:59:27 executing program 0: bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000340)={0xffffffffffffffff}) sendmsg$kcm(r0, &(0x7f00000004c0)={&(0x7f0000000100)=@nfc_llcp={0x27, 0x1, 0x2, 0x0, 0x0, 0x87ac, "e2488caa8de1a38ccafa45e003bdcfc26d83ebf61c650b3f944b27a130dca6f7837e7a31fda175ee82e8245429171d69064e9826e898658ecc413372fc4837", 0x2}, 0x80, &(0x7f00000005c0)=[{&(0x7f0000000180)="9ed71b821252da21daeeba6a1cb471f4b5271e1a4917998b41aade52e441a222ff385764cd4db1610d0b256f8b7985c6582c5a775efa122a77c5f517106b265ed2badc711c0764fb3241e83007011c891beb0c6a8453d6212f492d209c249739d0caae10ac92b3c06e0f674b2e72d8b39a690f1ee431bd40c9717085efbf8c76dffa01769772ee700f1048e7a30bec0c86839a6fa693f9"}, {&(0x7f0000000240)="587202e587acf25badfbb78b9aac12175dcb7ded8ad0593bead7bebbaade23fdcb7984ef14d9af0ad75c8ca3de8917d4ddcb8efaf8fc3489f5f44d90ed9262518bed89f07327f22f"}, {&(0x7f0000000500)="97de62167613a6e2f21300b7fbcb5d818d082ae4dc43fe55c1be67436e3d1d67ad562e692fddcd240349e77b438f98b032281739650484ef95531eab9cc4c9257b3a0a6746c8056e2dfd3191de64f27c6c874caae30ddba40caf6423eb3f2e12d5cb73bdbd6ee16d552ee219d5240d352e4dd5df790537dcc66ed5578d6c2f842802ad7ee951f87db3af37d97e"}, {&(0x7f00000002c0)="27c13b203d6afdf5471437c860685adaa48881be50ddba0809a2900dad5482fc985d45a391c71efa1337b83244"}, {&(0x7f0000000300)="a41c2e8bcc098e6de8e0963fd3a5fee7c107abc1f184da993e"}, {&(0x7f0000000400)="52b5f0c071cebc382e0f202fd9e5a5eab1c3c292f2db3d62afbdf077dafb18400de8f601aee888b182883ad54e33d47a347e54ca"}], 0x0, &(0x7f00000000c0), 0xfffffe6c, 0x80}, 0x20008841) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x5, 0x14, &(0x7f0000000640)=@raw=[@generic={0xfffffffffffffeff, 0x4f, 0x3, 0x4}, @initr0={0x18, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x401}, @generic={0x7e, 0x489f5d32, 0x7, 0x8}, @ldst={0x2, 0x0, 0x3, 0x9, 0x6, 0x0, 0xfffffffffffffffc}, @alu={0x4, 0x400, 0x0, 0xa, 0x3, 0x18, 0x8}, @alu={0x7, 0x6, 0xb, 0xd, 0x5, 0xfffffff8, 0xfffffffffffffffc}, @initr0={0x18, 0x0, 0x0, 0x0, 0x100000000, 0x0, 0x0, 0x0, 0x7}, @exit={0x95}, @ldst={0x2, 0x3, 0x3, 0x0, 0x7, 0xfffffffe, 0xfffffffffffffffc}, @generic={0xffff, 0xfffffffffffffc01, 0xfff, 0x8}], &(0x7f0000000080)='GPL\x00', 0x2, 0xf4, &(0x7f0000000700)=""/244, 0x40f00, 0x1}, 0x48) ioctl$sock_kcm_SIOCKCMATTACH(r0, 0x89e0, &(0x7f00000000c0)={r0, r1}) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000440)={0x0, r1, 0x0, 0x2}, 0x14) 2018/04/01 11:59:27 executing program 1: getpid() mkdir(&(0x7f0000000000)='./file0\x00', 0x10) gettid() 2018/04/01 11:59:27 executing program 4 (fault-call:1 fault-nth:12): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:27 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r1, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r1, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r3}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000780)={&(0x7f0000000740)='./file0\x00', 0x0, 0x8}, 0x10) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r4, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:27 executing program 7: mkdir(&(0x7f0000000280)='./file0\x00', 0x800) mount(&(0x7f0000000100)='./file0\x00', &(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x100000, &(0x7f0000000200)="f978c656219f1638334564abcbfe3e43e41bb9fd66e8e765a6e08b9c47d158149901b46cc9c8c5cee80269e7aa9658f510064cb53270ae73f69c7fb6089fe4deebe761c7f4e28ec3e1ed45d7ed9ffae00610e6a1df49dfad927852d4df67b4f859a09252f6") mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) socketpair$packet(0x11, 0x0, 0x300, &(0x7f0000000080)) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f00000000c0)) 2018/04/01 11:59:27 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0x1, 0x9b7fc68bad2a8f8f, 0x6, &(0x7f00000019c0)) r0 = socket$kcm(0x29, 0x7, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000000340)={0xffffffffffffffff}) sendmsg$kcm(r1, &(0x7f0000002600)={&(0x7f0000000380)=@vsock={0x28, 0x0, 0xffffffff, @hyper}, 0x80, &(0x7f00000025c0)=[{&(0x7f0000000400)="64912de4368bfed7e7a4955542cdd5a96a01402adbd908bb9467437b3d39b94ec44f1ec0cf3c94846dce08d5cb7ff26984f6087f4babe4bebdb5ae9c8db97d374040b00a65ea4e4343da47935aaa1b149d15ccf2ae1d30dff3fcd7c51372971358d03b0f333b542c22c452bcf076293bd67a4d41e03d010c76ff7b2ab3a8f75a", 0xfffffede}, {&(0x7f00000024c0)="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", 0xfb}], 0x2, 0x0, 0x0, 0x40}, 0x20008005) sendmsg(r1, &(0x7f0000001700)={&(0x7f0000000140)=@pptp={0x18, 0x2, {0x3, @multicast1=0xe0000001}}, 0x80, &(0x7f00000015c0)=[{&(0x7f00000001c0)="8371b4849ab481db40122473034e50e7801fd7f5cceb52cee0062865fe50c0bf157bb56734b89d1158b5e2e6ed58436bb00f01a74bd5e494f994396ca3bc6e23bc9b43a936cc943b9f1af0", 0x4b}, {&(0x7f0000000240)="f94b3e36c3f400750e81387045d4fb8c3362b1d3ec080b4ab4324f32fc63c9f0a24398d89efe590c6dee44a3ae30f539de68701d20c4f73ab80fcbd1aef2292e7e9cd451f00739e9a07dfc43cd4e1d567ed48f47da14025a9e73275a1562012d14dcb77913d9c71ea0f23a041fc1548df8c33b07eee3b4261c3de7131f9984da6206", 0x82}, {&(0x7f00000004c0)="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", 0x1000}, {&(0x7f00000014c0)="6f51382c92f48e1552893882fa4d7739fc9b869312136ff6f7017f59d3262a678d3a2a90fde8c1aa40cd872a329608417abd70f1890d3cc236809c1098d071eb1fa48b28be549d98071b45eb6e3fdf46841d50e9bfaca6b3bf7c9ed38e9aeea6d9e76223f2ae420ca3baf0c08ea6743120e00b80d4b655c8e754c53e6bd1e0f3493cee9b917db433c2e111a25e4b451a2d9b580789044f1534dd544922d225c2771043ec036e210e46d4c9e1e3fd1454d26247af40aae5205d8b5706b57c6c2c0ce0e4653e14859fd4cec81b", 0xcc}, {&(0x7f0000000300)}], 0x5, &(0x7f0000001740)=ANY=[@ANYBLOB="88000000000000002900000002000000b2c1b45af35e610b15c73866d4ead0c546e4f0e9cb7cc86deddc619833142dd572d4a9e6ee9f3e208cafa39f0c8ab3c3e51171185a7d24d0dde445cdbc825e5e2f29a214fbf54c26bccddcbbe32f2d35c2b5e57df8c9e8aeaff02b3b5e77c2ec9d2f7d00000000000000000000000000b2f492c4770c8c28a232a2434de02c57c8f7b92c69ee3ee20a96b1d9"], 0x88, 0x40000}, 0x20000090) r2 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000000), 0x4) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000100)={r2, 0x0, 0x4c, 0x10, &(0x7f0000000040)="8ab10994af1e3e6381fdca33677cee01ce371826da0dd50b508afb899daf8c4725a4f923e1c04817f948105445eb598520045b8b46aaf8b7a6b603be24be0367cbc9678b36b95243c16aea88", &(0x7f00000000c0)=""/16, 0x80000000, 0x200}, 0x28) 2018/04/01 11:59:27 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) [ 158.417905] FAULT_INJECTION: forcing a failure. [ 158.417905] name failslab, interval 1, probability 0, space 0, times 0 [ 158.429213] CPU: 0 PID: 12411 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 158.436488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.445844] Call Trace: [ 158.448435] dump_stack+0x194/0x24d [ 158.452066] ? arch_local_irq_restore+0x53/0x53 [ 158.456734] ? __save_stack_trace+0x7e/0xd0 [ 158.461061] should_fail+0x8c0/0xa40 [ 158.464783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 158.469889] ? kasan_kmalloc+0xad/0xe0 [ 158.473778] ? kmem_cache_alloc_trace+0x136/0x740 [ 158.478619] ? __memcg_init_list_lru_node+0x169/0x270 [ 158.483808] ? __list_lru_init+0x544/0x750 [ 158.488040] ? sget_userns+0x691/0xe40 [ 158.491929] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 158.496769] ? do_mount+0xea4/0x2bb0 [ 158.500477] ? SyS_mount+0xab/0x120 [ 158.504099] ? do_syscall_64+0x281/0x940 [ 158.508159] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 158.513522] ? find_held_lock+0x35/0x1d0 2018/04/01 11:59:27 executing program 6: ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000000)={0xffffffffffffffff}) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f00000000c0)={r1}) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) 2018/04/01 11:59:27 executing program 1: mkdir(&(0x7f0000000480)='./file1\x00', 0x0) gettid() [ 158.517584] ? __lock_is_held+0xb6/0x140 [ 158.521649] ? check_same_owner+0x320/0x320 [ 158.525979] ? rcu_note_context_switch+0x710/0x710 [ 158.530909] should_failslab+0xec/0x120 [ 158.534885] kmem_cache_alloc_trace+0x4b/0x740 [ 158.539466] ? __kmalloc_node+0x33/0x70 [ 158.543444] ? __kmalloc_node+0x33/0x70 [ 158.547416] ? rcu_read_lock_sched_held+0x108/0x120 [ 158.552439] __memcg_init_list_lru_node+0x169/0x270 [ 158.557459] ? list_lru_add+0x7c0/0x7c0 [ 158.561433] ? __kmalloc_node+0x47/0x70 2018/04/01 11:59:27 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair(0x8, 0x803, 0x2, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_QUERY_BPF(r0, 0xc008240a, &(0x7f0000000080)={0x4, 0x0, [0x0, 0x0, 0x0, 0x0]}) [ 158.565412] __list_lru_init+0x544/0x750 [ 158.569478] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 158.575369] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 158.580388] ? __lockdep_init_map+0xe4/0x650 [ 158.584799] ? lockdep_init_map+0x9/0x10 [ 158.588864] sget_userns+0x691/0xe40 [ 158.592578] ? kernfs_sop_show_path+0x190/0x190 [ 158.597247] ? kernfs_sop_show_options+0x180/0x180 [ 158.602179] ? destroy_unused_super.part.6+0xd0/0xd0 [ 158.607297] ? check_same_owner+0x320/0x320 [ 158.611618] ? rcu_pm_notify+0xc0/0xc0 [ 158.615510] ? rcu_read_lock_sched_held+0x108/0x120 [ 158.620525] ? kmem_cache_alloc_trace+0x459/0x740 [ 158.625362] ? lock_downgrade+0x980/0x980 [ 158.629513] kernfs_mount_ns+0x13d/0x8b0 [ 158.633574] ? kernfs_super_ns+0x70/0x70 [ 158.637640] sysfs_mount+0xc2/0x1c0 [ 158.641281] ? sysfs_kill_sb+0x40/0x40 [ 158.641344] syz-executor2[12415] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 158.645156] ? alloc_pages_current+0xbe/0x1e0 [ 158.645170] ? security_sb_copy_data+0x81/0xb0 [ 158.645181] mount_fs+0x66/0x2d0 [ 158.645195] vfs_kern_mount.part.26+0xc6/0x4a0 [ 158.673051] ? may_umount+0xa0/0xa0 [ 158.676680] ? _raw_read_unlock+0x22/0x30 [ 158.680825] ? __get_fs_type+0x8a/0xc0 [ 158.684712] do_mount+0xea4/0x2bb0 [ 158.688255] ? copy_mount_string+0x40/0x40 [ 158.692490] ? rcu_pm_notify+0xc0/0xc0 [ 158.696379] ? copy_mount_options+0x5f/0x2e0 [ 158.700783] ? rcu_read_lock_sched_held+0x108/0x120 [ 158.705797] ? kmem_cache_alloc_trace+0x459/0x740 [ 158.711077] ? copy_mount_options+0x1f7/0x2e0 [ 158.715571] SyS_mount+0xab/0x120 [ 158.719024] ? copy_mnt_ns+0xb30/0xb30 [ 158.722906] do_syscall_64+0x281/0x940 [ 158.726785] ? vmalloc_sync_all+0x30/0x30 [ 158.730929] ? _raw_spin_unlock_irq+0x27/0x70 [ 158.735428] ? finish_task_switch+0x1c1/0x7e0 [ 158.739918] ? syscall_return_slowpath+0x550/0x550 [ 158.744828] ? syscall_return_slowpath+0x2ac/0x550 [ 158.749745] ? prepare_exit_to_usermode+0x350/0x350 [ 158.754751] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 158.760094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 158.764915] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 158.770080] RIP: 0033:0x454e79 [ 158.773243] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 158.780935] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 158.788186] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 158.795432] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 158.802682] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 158.809929] R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000000c 2018/04/01 11:59:28 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000000)={0xffffffffffffffff}) recvmsg$kcm(r0, &(0x7f0000000440)={&(0x7f0000000040)=@l2, 0x80, &(0x7f0000001680)=[{&(0x7f00000004c0)=""/4096, 0x1000}, {&(0x7f00000000c0)=""/101, 0x65}, {&(0x7f0000000140)=""/61, 0x3d}, {&(0x7f0000000180)=""/241, 0xf1}, {&(0x7f0000000280)=""/214, 0xd6}, {&(0x7f0000000380)}, {&(0x7f00000014c0)=""/209, 0xd1}, {&(0x7f00000003c0)=""/57, 0x39}, {&(0x7f00000015c0)=""/139, 0x8b}, {&(0x7f0000000400)=""/56, 0x38}], 0xa, 0x0, 0x0, 0x101}, 0x2040) 2018/04/01 11:59:28 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) mkdir(&(0x7f0000000080)='./file0\x00', 0x133) 2018/04/01 11:59:28 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000001300)={&(0x7f0000000040)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @local}}}, 0x80, &(0x7f0000001240)=[{&(0x7f00000000c0)}, {&(0x7f0000000100)=""/188, 0xbc}, {&(0x7f00000001c0)=""/126, 0x7e}, {&(0x7f0000000240)=""/4096, 0x1000}], 0x4, &(0x7f0000001280)=""/127, 0x7f, 0x5}, 0x40000000) socketpair$inet6_sctp(0xa, 0x5, 0x84, &(0x7f00000000c0)) socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f0000001380)) ioctl$sock_kcm_SIOCKCMCLONE(r2, 0x89e2, &(0x7f0000001340)={r1}) bpf$BPF_MAP_GET_NEXT_ID(0xc, &(0x7f00000013c0)=0x1, 0x4) 2018/04/01 11:59:28 executing program 2 (fault-call:5 fault-nth:0): bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:28 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000000)=0x1, 0x4) 2018/04/01 11:59:28 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) getpid() 2018/04/01 11:59:28 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r1, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r1, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r3}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r2) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r4, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:28 executing program 4 (fault-call:1 fault-nth:13): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:28 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00'}, 0x10) [ 159.379732] FAULT_INJECTION: forcing a failure. [ 159.379732] name failslab, interval 1, probability 0, space 0, times 0 [ 159.391160] CPU: 0 PID: 12465 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 159.398460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 159.407820] Call Trace: [ 159.410419] dump_stack+0x194/0x24d [ 159.414081] ? arch_local_irq_restore+0x53/0x53 [ 159.418767] ? __save_stack_trace+0x7e/0xd0 [ 159.423103] should_fail+0x8c0/0xa40 2018/04/01 11:59:28 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xd, 0x7, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x7fff}, [@initr0={0x18, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x5}, @exit={0x95}], {0x95}}, &(0x7f0000000080)='GPL\x00', 0x8, 0xa0, &(0x7f00000000c0)=""/160, 0x41f00, 0x1}, 0x48) r1 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f00000002c0)={0xffffffff, 0xffffffff, 0x18}, 0xc) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f00000003c0)={r1, &(0x7f0000000300)="174eea4b939c8da0e6cd819144d2e96a43ca6a119e66850b7ac2bffc4d2fda9fdf2152256eacbc8785991e8ccc87985c873ed4457c7ea7a4674a4464b2156904", &(0x7f0000000340)=""/68}, 0x18) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000280)={&(0x7f0000000240)='./file0\x00', 0x0, 0x10}, 0xfffffffffffffff1) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000200)={&(0x7f0000000000)='./file0\x00', r0}, 0x10) socket$kcm(0x29, 0x5, 0x0) 2018/04/01 11:59:28 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x80) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x18}, 0x10) [ 159.426835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 159.431951] ? kasan_kmalloc+0xad/0xe0 [ 159.436372] ? kmem_cache_alloc_trace+0x136/0x740 [ 159.441226] ? __memcg_init_list_lru_node+0x169/0x270 [ 159.446451] ? __list_lru_init+0x544/0x750 [ 159.450697] ? sget_userns+0x691/0xe40 [ 159.454600] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 159.459366] ? do_mount+0xea4/0x2bb0 [ 159.463093] ? SyS_mount+0xab/0x120 [ 159.466725] ? do_syscall_64+0x281/0x940 [ 159.470794] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 159.476166] ? find_held_lock+0x35/0x1d0 2018/04/01 11:59:28 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f00000000c0)={&(0x7f0000000080)='./file0\x00', 0x0, 0x8}, 0x10) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000100)={&(0x7f0000000000)='./file0\x00', r0}, 0x10) [ 159.480234] ? __lock_is_held+0xb6/0x140 [ 159.484309] ? check_same_owner+0x320/0x320 [ 159.488643] ? rcu_note_context_switch+0x710/0x710 [ 159.493596] should_failslab+0xec/0x120 [ 159.497580] kmem_cache_alloc_trace+0x4b/0x740 [ 159.502261] ? __kmalloc_node+0x33/0x70 [ 159.506240] ? __kmalloc_node+0x33/0x70 [ 159.510226] ? rcu_read_lock_sched_held+0x108/0x120 [ 159.515260] __memcg_init_list_lru_node+0x169/0x270 [ 159.520289] ? list_lru_add+0x7c0/0x7c0 [ 159.524298] ? __kmalloc_node+0x47/0x70 2018/04/01 11:59:28 executing program 0: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:28 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000880)=[{&(0x7f0000000040)="2e6ca149a3508e6dec", 0x9}, {&(0x7f0000000080)="59264f9cff3bbc058742d4094484628c23152ee3ea95505e364c943a24097b31c22a8ec72f57a2422c1a163a7f12cc", 0x2f}, {&(0x7f00000000c0)="a5df9f8f10d6e8c21a0337f683762d81be38e169f2c3935091600a17ee1e667c9692383a08d13d21a14f4cfca5aab46fba3a9fd51f019c447660d0d0388246bcac1ade4806eca584cdff222d3c10e8065c2cf9108849abb96c1bebb5045a6c57fdd58bc42aacd99dec1e04331bc82c8654239825902c30349ae1668b7de56d685e38c832e8b63d26873b6b80ef8a4a1539cadaa63ffb89f06432e065829ba9b52940f4884b85fbcdcfdb0fa8b088bdaf36b676e0bea366ad6a13dc50248c24bd5e7308e37d878fcb8930a670d9204d96168555c4e4e5b72413980d122edf63058e93f81748237e737c302458d3", 0xed}, {&(0x7f00000001c0)="9738589894f27c5afeb3ecf8dc2fdb2c3ceb2f5b31de347ee8f019450643816049e79ae036bd86d05162e8b1fb992df8dd1134c0da8968934eff58c19cc52dedc6a3fec92a69157cbe61cf0ba1719af88753ba640c54963636862b8beec334fdeafcc368c99399893325b3cda3bf80e3d271a0f6632226af30c4e7deaab2518a47f6dcf7dee99959962571b722bfe850c4e2dc626d6a0caad7d9012cabf02ffbd66df37d8b35eb41faefe187451992bff28ea6f39d1271093306dc96b2abfa36fcc15797e34b3ad4e3d769d892487d109233a571999a6eb609516695011c70aade02fa28145625f06cf703f9b04738ce0051afde87beed6cdf", 0xf9}, {&(0x7f00000002c0)="a85d7f0cb7a25475c255ee8469a0ed8781475045bbbecb42623cacce4e3464786f4c67052a413f1181e60e8923cae9c8a83d40f4cd548814a30fa25fd073a2f1569edfc8871f2dad34fc978eefd522089c45ff525103f486e95f7bc84bc9539bf4151ca35d22151ae9bcae97c3514dc1ab9dba6621a2ca9b5378a07b5ca3375daa5019ec02a20a5209e927b5774091cefeccc918ce21d92f16ffb027bafae5726e5dcd73580afe81b1816e07512038a9d2642d36eca7f14b3b8477db", 0xbc}, {&(0x7f0000000380)="fa110fc45601991c1e87b77ce6bd", 0xe}, {&(0x7f00000003c0)="4ef2929a0d185133d14c1cc19025d8c001db9cf35a740464b6cbcb02c5caa351ebb8f212e789d80917cb2d11cb934c78a86284e93b924d08cb2b561e8347ded1111b222bf929c1e1e348fd0ddbe952397cfd2f31d00df4f175422220df137cb84740c894d98bc388b448f5ff6e9d54acfa9038825d8e", 0x76}, {&(0x7f00000006c0)="daded888f45984e30caf03857d42cd15b226c57c1f15026c0647616f65f8e9895b8d1bdbdbd5c6ffb54b7823f148df4851714bc7f02d7fb36b92c7ef1f1aaf083daad111fe70cdbf8be958437d12ca13d6cb2d9351bb047699526ac4fab7df7220a35980152ce51bcaf113dff8c5fbabc4638e0618a53ed74cc39895992a20e86b5915ce1d000f96c2c7b5ce4439d30bbc15ebdaa295eeee5d2d9d44ec9860480fc92b065ae9bcfd32b9fd5bdcaa38e6401839360e70a17c521763e242e26046fc945662fc0c8e3c5930a89d7cfa84dcafbfc8688f8c7ae5aea8cece252f2583397a2c49", 0xe4}, {&(0x7f00000007c0)="cd29a2548f77afe0a02897e6dbbd8f961dcd1fdd42e504846ac583dd5d4c255f0a4cb0f4407fba2c8fdc94b96696756138bfa0b40c829135e5228b757cb30189b6f0f3878fb1b420b7b5ccbdcac8aa2a092b782498df291b891f5ad3585a5114f7687c13d008e3ec6f381de1b97470cee46fb0e288370b0431f8c10ac7c5214191277f35986a164cbad4f90902d54961f538b7be06308256e711c5ae1f3d9ddbf78b98f86053fbbbcdea84bed2b54a7a", 0xb0}], 0x9, &(0x7f0000000940)=[{0x70, 0x10d, 0x9, "c6ff13901ad67fbd5bfa665dbab93a7726c9db2e15e3a270a017cacf34b43768f19aa73e6091da26247c91182e8a51923818ce3e6d1b894d69f4fe9f1517a364673bae26b903c9d74043dbe67763f7d0563cbc6f2071ce043f48e9ecb3"}, {0x100, 0x104, 0x6734, "2a6edd8d8190b0ee28e071d7b3ae34dd7c1208355a07ebd7e9de54324adbc2e006ab5317c86b8883579c53c233ed23b960bea9122df7eedeaadc26e3516b41b9726beda43d6850d2c7f8a6c0f2f9b4962d966ed14a17f569aecdf4b2f01eb467057ad91ae41e8687e6db24ad976ee0a5fd63ffd6156214e4deab0f60aa842fe2f778629e38821176106a1c8f621e60e77f6dabc40b9556cfd126173a2f304baf95e2865bb2a98b5950ce95906fd1281ff41d3d2cdaddd1a7de071430ad93847f0f90cae0799af7f7b24d7c38dd9dbeba15bb3917f6aaa70636ce4d03dd51033839387321d3b85041de4415a860f674"}, {0xb8, 0x10b, 0x80000000, "2c1ea388029b2494259a856e2d9af8112ab03a21e9f3320cce238a15e613eb356fae31e356d25a7796e5e419d05466765839e0f2a9910535d1d6514397d2cb08697c65877d9b69415ed1aa13d2ac6e40f9f4022eae26bdf6d5b2271bc59cf72602f270e73934515a254b66037d8cdf1006b453a52b36f93b5ffca5599b3988709114a01ffe915a1e1ab4a2d32ddd8f09b53ad9cf1d0e0c130282f90cdb6cc82462850b76ee"}, {0x98, 0x29, 0xf06e, "eb12b882bb9a137e1cbc70507b925fbc0fa569923640d81226e3e0a7f03ffc4de76c9ab4026577dba528ba34958e4407d1d5fd11b6d189249bb47d5c51b17394f64969d2f38014517f9ab763d2f81b9565bbf0dae2e92e8137998ad68bac89ce8e439fcd6a59495c037709d4d858a204d65f9d7a0b609720b5c22eb4515850f8fc9bd75571708e"}, {0x90, 0x11f, 0x5, "98c9a6a77f5442eb793881a5d067871d86b4c50dfd7334a128037a131ed8959a845643d709ee7d69feb6a0a5c5b646598f7f5351da676b3343508f168531e24c5328672eddf3d6db33c402c4d95e50033147ab90b2d7b9b6ec06a61a888f79f9b740ea4adea2646ee5557ec00c1bff393e28fad755fe983552faa69f79"}, {0xb0, 0x11f, 0x7, "3ff72bf04a67f53516ed743bc8bf5200a0a7d2174f922d6504b05eb79ecb9fb11da62531bd7d7f619594baf2844e8269eba2c542f9ffb579dcc7fb0af3083267888b678ddbe5f82016085e094069de9fdd366212c3ae5d3439c2f7fa6ebc22549080a19519b33645788dcb5dc864839f5c2d4affd3108de59162f29a8d33c390c8d91985a664f9bf3d0b8aa20417f96e091cc08340f4fbacb70b23f2a7f5845e"}], 0x400, 0x40000}, 0x4000000) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000004c0)={r1}) sendmsg$kcm(r2, &(0x7f0000001040)={&(0x7f0000000d40)=@rc={0x1f, {0x392e, 0x9, 0x7f, 0x5, 0x0, 0x9}, 0x1f}, 0x80, &(0x7f0000000e40)=[{&(0x7f0000000dc0)="7e3d2017b3aaee35544145864facde5bb0e7d6c96761553cb8f45d762585a42b7864340e9ee9a5a0d2d672fa5c915a5238dbccc8bdb4e0162981a5860feab8c1a11857c8083a7976ef265ba630e7febc392366ef0237291c139a88", 0x5b}], 0x1, &(0x7f0000000e80)=[{0xc8, 0x0, 0xffffffff, "7dc4b59ac8f8f8846c5b6f9b92249830d11f1126d0323ceb3fb030a9daedc5a3fdc7c614d510dfebb22e034a665c61569fa7d084bf69134248ba1a15f6345277b3d2c691a23710fcaafd602bdf252d950960894e274075a414788fc3823c97605f51ab4e4409ba822cc7804d276228c2c1de12b17c8474d09ade3c4d74e513cb704ce98fbc1788c0eea21f6057e67d4579be1f08007dc94beb5343937478da3e1ce7e65f25639ae958f171c240b62401532cd6e00a"}, {0x30, 0x115, 0x0, "02fb016f3bb706a5d8f506dfcf6752ef79bb2504b8bf4d84f8892f2bb1"}, {0xb8, 0x117, 0x4, "b75795497378d10db40ee194fe7fa0555d70d2489bdb88d5d557b6e9292f9ac22885404ed60854fa418897762f3bc24a4fc0969bc8c4870fda894f887b3814473dbea678b3fe03304a82bfdcf290f42b19856e96897dcdb5680d8293131d27311a542306c6973d830199f99570b287406d69321af0b330c8b46a8cba71ef58a9652f9f7ee57e562fa1b99eaa240eaee0870700b4f1e8e9d4dea704bedc75145829094fd199fe62dc"}], 0x1b0, 0x4000}, 0x1) recvmsg$kcm(r2, &(0x7f0000000680)={&(0x7f0000000500)=@alg, 0x80, &(0x7f0000000640)=[{&(0x7f0000000580)=""/181, 0xb5}], 0x1, 0x0, 0x0, 0x3}, 0x0) 2018/04/01 11:59:28 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000140)) socketpair$inet6(0xa, 0x80007, 0x6, &(0x7f0000000000)={0xffffffffffffffff}) socketpair(0x10, 0xf, 0x8, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ID(r1, 0x80082407, &(0x7f0000000100)) ioctl$sock_kcm_SIOCKCMCLONE(r1, 0x89e2, &(0x7f00000000c0)={r0}) [ 159.528287] __list_lru_init+0x544/0x750 [ 159.532362] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 159.538264] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 159.543295] ? __lockdep_init_map+0xe4/0x650 [ 159.547719] ? lockdep_init_map+0x9/0x10 [ 159.551996] sget_userns+0x691/0xe40 [ 159.555724] ? kernfs_sop_show_path+0x190/0x190 [ 159.560409] ? kernfs_sop_show_options+0x180/0x180 [ 159.565366] ? destroy_unused_super.part.6+0xd0/0xd0 [ 159.570487] ? check_same_owner+0x320/0x320 [ 159.574821] ? rcu_pm_notify+0xc0/0xc0 2018/04/01 11:59:28 executing program 1: socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000002a80)) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0x8, 0x4, 0x7fff, &(0x7f0000002a40)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0xffff) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r1, &(0x7f0000000440)={&(0x7f0000000040)=@generic={0x4, "6c50024cb19c91395e7f11e3931731878d904d76d014a3da8808a4113b9e181119a15ac25058f8b6f972219d18f57b3efb9a47bd93d47632b262b16b6de2f1f0f78ad727f10194cf38033227807d92b31486949085b8a34435d54305ef013ccc822f71a5ef362a946fde86a6bf47cdb0b8b20a16f3e4e728694ca2351edb"}, 0x80, &(0x7f00000014c0)=[{&(0x7f00000000c0)="76948c45c4bb9f780a20be2431f67f48900bc70b6bc3f8af034e3624131742a8baf06dcfed9129952d9b07847791d52dc28b85ca74d84f765a254c503966ed9f765f4ec2ec4c9b5dda831629dba21bde2f1527311c665c9b71eb2383f066f2b2e3f53350313ffda365acf9d4c13d4b988bb3145910fc18e2e565127c06311ab520ae4d45d556c60962752cdf1ebcb11ce4e0c6cfed34f299af2a60289cd2b3b454109b9d323d659c661b558dc012e8abf8dea736366bc327465cb0592f7d3b2d9dbaa8147a51bcab7082ba6ceaac", 0xce}, {&(0x7f00000001c0)="4acd6a9c6adbd3ec1fea924ce4187b0c05f857d13cdda59862ab240f95f1f2312194b26d0c382696df193dac641fc2b698827269e25da24d6d056183a3d33242fa283d87c87c5f8f00dcc9767cc740f3c162187c1a4c57f62ea3a39395e560dd8442c64227a47b52c5c75e300ab8e0ac351786c7520c4e7eb21c6f9b11cf01b564fe6f294b3bd51695efca53e8821acfdd334671b3dc434f2c65163c095ffd7c30b1ab9b5db3d310c08dde1428e543122fc83715f30a9189956da680e6394c0a68507701b0611138f9ba1f920ebe3a969b3b0f67898cde17a75e0a", 0xdb}, {&(0x7f00000002c0)="9d87a59c3de5794537fb41127a737f970fe481aa5bba51d8657f61a9202bd17739a0894e046ad1447953a889286000", 0x2f}, {&(0x7f0000000300)="188edd977e072da33952fe037da97d6ca50c5a7cc86b741765ae3c73e7c227a60b938be4e50a65c33299b77c313328a21b5dfe551546df141005fed972437594cbbd19221a3e1c98b463c2275d47082fdbc68752e7d01f5e822c3a3393a5cf6268904f2931fd6dbb1459d96b87a5fdbb7093b74c0a6aae7a759a20e83a4a45249e774af04434e4ebb4e0365413fb4967caaadaa43eb135ac8b469d628a29544c07b76d9e81982d864900acc81255a5fe13069eb593acee4281ebaee2bddfe6d3d8c26ab712634e4bbeebbb0fe4fb342a9c6aacc26d2ccde6284f02cbe2fb4d22506a9ad08d17b942da61ed0c4f35bde3a870", 0xf2}, {&(0x7f00000004c0)="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"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"}, {0x40, 0x1, 0x6438aa, "29818c2e6ffa43e113c482cbd2ca0969030b840d5b7d9c70f04169fb599ac46153745b359bb18c7d5769e885ffb2e2"}], 0x14d0, 0x80d0}, 0x4004001) [ 159.578722] ? rcu_read_lock_sched_held+0x108/0x120 [ 159.583751] ? kmem_cache_alloc_trace+0x459/0x740 [ 159.588614] ? lock_downgrade+0x980/0x980 [ 159.592775] kernfs_mount_ns+0x13d/0x8b0 [ 159.596843] ? kernfs_super_ns+0x70/0x70 [ 159.600915] sysfs_mount+0xc2/0x1c0 [ 159.604548] ? sysfs_kill_sb+0x40/0x40 [ 159.608446] ? alloc_pages_current+0xbe/0x1e0 [ 159.612942] ? security_sb_copy_data+0x81/0xb0 [ 159.617529] mount_fs+0x66/0x2d0 [ 159.620903] vfs_kern_mount.part.26+0xc6/0x4a0 [ 159.625488] ? may_umount+0xa0/0xa0 [ 159.629117] ? _raw_read_unlock+0x22/0x30 [ 159.633278] ? __get_fs_type+0x8a/0xc0 [ 159.637183] do_mount+0xea4/0x2bb0 [ 159.640726] ? copy_mount_string+0x40/0x40 [ 159.644961] ? rcu_pm_notify+0xc0/0xc0 [ 159.648867] ? copy_mount_options+0x5f/0x2e0 [ 159.653278] ? rcu_read_lock_sched_held+0x108/0x120 [ 159.658301] ? kmem_cache_alloc_trace+0x459/0x740 [ 159.663249] ? kasan_check_write+0x14/0x20 [ 159.667494] ? _copy_from_user+0x99/0x110 [ 159.671651] ? copy_mount_options+0x1f7/0x2e0 [ 159.676156] SyS_mount+0xab/0x120 [ 159.679621] ? copy_mnt_ns+0xb30/0xb30 [ 159.683520] do_syscall_64+0x281/0x940 [ 159.687415] ? vmalloc_sync_all+0x30/0x30 [ 159.689106] syz-executor2[12464] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 159.691578] ? _raw_spin_unlock_irq+0x27/0x70 [ 159.691590] ? finish_task_switch+0x1c1/0x7e0 [ 159.691605] ? syscall_return_slowpath+0x550/0x550 [ 159.716581] ? syscall_return_slowpath+0x2ac/0x550 [ 159.721523] ? prepare_exit_to_usermode+0x350/0x350 [ 159.726546] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 159.731925] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 159.736775] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 159.738841] FAULT_INJECTION: forcing a failure. [ 159.738841] name failslab, interval 1, probability 0, space 0, times 0 [ 159.741955] RIP: 0033:0x454e79 [ 159.741961] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 159.741970] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 159.741975] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 159.741980] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 159.741985] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 159.741990] R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000000d [ 159.800928] CPU: 1 PID: 12464 Comm: syz-executor2 Not tainted 4.16.0-rc6+ #43 [ 159.808227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 159.817579] Call Trace: [ 159.820179] dump_stack+0x194/0x24d [ 159.823816] ? arch_local_irq_restore+0x53/0x53 [ 159.828496] should_fail+0x8c0/0xa40 [ 159.832215] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 159.837325] ? lock_downgrade+0x980/0x980 [ 159.842375] ? get_pid_task+0xbc/0x140 [ 159.846273] ? proc_fail_nth_write+0x9b/0x1d0 [ 159.850775] ? map_files_get_link+0x3a0/0x3a0 [ 159.855283] ? find_held_lock+0x35/0x1d0 [ 159.859364] ? check_same_owner+0x320/0x320 [ 159.863685] ? __lock_is_held+0xb6/0x140 [ 159.867851] ? rcu_note_context_switch+0x710/0x710 [ 159.872788] should_failslab+0xec/0x120 [ 159.876774] __kmalloc_track_caller+0x5f/0x760 [ 159.881364] ? strncpy_from_user+0x430/0x430 [ 159.885780] ? strndup_user+0x62/0xb0 [ 159.889583] memdup_user+0x2c/0x90 [ 159.893188] strndup_user+0x62/0xb0 [ 159.896807] SyS_mount+0x3c/0x120 [ 159.900244] ? copy_mnt_ns+0xb30/0xb30 [ 159.904118] do_syscall_64+0x281/0x940 [ 159.907991] ? vmalloc_sync_all+0x30/0x30 [ 159.912120] ? _raw_spin_unlock_irq+0x27/0x70 [ 159.916598] ? finish_task_switch+0x1c1/0x7e0 [ 159.921082] ? syscall_return_slowpath+0x550/0x550 [ 159.925998] ? syscall_return_slowpath+0x2ac/0x550 [ 159.930918] ? prepare_exit_to_usermode+0x350/0x350 [ 159.935921] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 159.941278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 159.946111] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 159.951280] RIP: 0033:0x454e79 [ 159.954452] RSP: 002b:00007f435b5aec68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 159.963191] RAX: ffffffffffffffda RBX: 00007f435b5af6d4 RCX: 0000000000454e79 [ 159.970441] RDX: 00000000200002c0 RSI: 0000000020000100 RDI: 0000000020000240 [ 159.977711] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 159.984966] R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000013 [ 159.992213] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000000 2018/04/01 11:59:29 executing program 6: 2018/04/01 11:59:29 executing program 1: r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000140)={&(0x7f0000000080)='./file0\x00', 0x0, 0x18}, 0x10) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000001c0)={r0, 0x28, &(0x7f0000000180)}, 0x10) mkdir(&(0x7f0000000480)='./file0\x00', 0x800000000000) bpf$OBJ_GET_PROG(0x7, &(0x7f00000000c0)={&(0x7f0000000100)='./file0\x00', 0x0, 0x10}, 0x10) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x18}, 0x10) 2018/04/01 11:59:29 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x141) 2018/04/01 11:59:29 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x12) 2018/04/01 11:59:29 executing program 4 (fault-call:1 fault-nth:14): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:29 executing program 7: mkdir(&(0x7f0000000080)='./file0\x00', 0x3) socketpair$unix(0x1, 0x7, 0x0, &(0x7f00000000c0)) r0 = perf_event_open(&(0x7f0000000180)={0x5, 0x70, 0x20, 0x2, 0x7, 0x0, 0x0, 0x8, 0x100, 0x8, 0xcb0, 0x400, 0x0, 0x1222, 0x8, 0x6, 0x80, 0x3ff, 0x0, 0x8, 0xcf, 0x6, 0x91, 0x2, 0x5, 0x7f, 0x40, 0x7, 0x3, 0x5, 0xecd, 0x1, 0x8, 0x43, 0x80000001, 0x0, 0xfffffffffffffffb, 0x101, 0x0, 0x0, 0x1, @perf_config_ext={0xfffffffffffff800, 0x190a}, 0x4000, 0x9, 0x100000001, 0x7, 0x81, 0x8, 0x1}, 0xffffffffffffffff, 0x2, 0xffffffffffffff9c, 0x1) socketpair(0x0, 0xa, 0xc0b, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000240)={&(0x7f0000000200)='./file0\x00', 0x0, 0x18}, 0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) sendmsg(r3, &(0x7f0000001840)={&(0x7f00000002c0)=@pppol2tp={0x18, 0x1, {0x0, r2, {0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x10}}, 0x2, 0x0, 0x0, 0x3}}, 0x80, &(0x7f0000001480)=[{&(0x7f0000000340)="2fe8dc6105f8fbfa3763134046094a634d748a31bfedda878b6c4673e700fd33fff66f8efffbe6a22d434ce2c2", 0x2d}, {&(0x7f0000000380)="1731740895b3d6d4fd4103e642b9db1eac40712c992b83782c8c65155c94fe92d8b08e2e3047018490f6d384c5c5b641d15920633d9ad60862c95414ae5c40d37a46", 0x42}, {&(0x7f0000000400)="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", 0x1000}, {&(0x7f0000001400)="5c1751d1d8ee1573f3d050afdc92072e58c742ccfba7068c78cccce3e3df555da37c7ae4a70bf28a4f52c5cd92f9", 0x2e}, {&(0x7f0000001440)="8c86", 0x2}], 0x5, &(0x7f0000001500)=[{0x58, 0x10f, 0x5d510667, "e563775eeeed141477e3c4380a63dedb79e59ab561b41af5dced6af2d208887fd88a21b0988bab001a48af48b136a13763ebaeb45d49fab309529c5062d0e6d17d8c1a51f2"}, {0x50, 0x10d, 0x9, "dd1631866fd68d09d3d49705c5865f8b58ff5e2fc90f3a15e048c2d853cd978d1408f4b10623828f5833168cc84671e5b0b2853c9a70569f44e7955e665f"}, {0xc0, 0x10a, 0x100000001, "4f53379910b28aa161d0b161e60bb490c7fe6339955cb0bea2c4995c62b781ade54743b7890a27b0415ee754c03d9c413d00f8738aee9e5c645d98b0668e333b14fc1fdbe68a805de8777c5b2f9466cdc780f67c7916d835c67fa888fd7277bbb04e9ed290bf91b3d756c43d37c33cd6ae91f93f4f82e5e9acc828203289fb702e716dc8a50c2474f9bc26e16c4b2d16fee00395d69f46a5d6add85397614c7240d80988748c6c802e3fb5e5980bad33"}, {0x18, 0x18f, 0xff, "fe3b"}, {0xa8, 0x1bf, 0x9, "1c9105b19c16d72225283f0c1b345a1d6f933a4e4524de44c697a86a687a7675d5375e405d66a352b1be09d48f3afee27b1617bc536d644a51e1ea88b3e3735a42e7a0291b4df7e4337d565a9f34711cb143ab05eb40cc1705df4021b805910303455850cff9e5d262dd12ce01adfb4d2b11241e60ae3543e300859105b99b739ed8852f6f2ca57f3dd5e5b2e4dc423a57"}, {0x38, 0x1bf, 0x4, "4496a80d37548c232b31e83e6eac9a37ba85b63e94255a4b200a0375f6fdd46740f4642d6de518"}, {0xd0, 0x0, 0x9, "8a7db8cbdde6b4113fd3d1408b01129d73e367bdb97760193dcfda10a4797b1c8fb6f55a78fb7f2f9e4f053a089f98dd939f2cb2f274274ed559c97a64241a848a273788bab0d3402664e3a2cfa63472b131d392a10f915b73ba16c7d7a61e2fbee980f545e40655c4c830f2d9baf32eeed9dd3ad75bb5bf20b8a9fab9ce3fa0874a16071e495d9e1c77873fb43e57b4f99c47f0999438743744ced775e8f60bd60b9456280121f9635f145b8ec0fc8f730ac3ab602bb0d5e53c53ab262979e7"}], 0x330, 0x20000001}, 0x80) 2018/04/01 11:59:29 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r1, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r1, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r3}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r4, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:29 executing program 2 (fault-call:5 fault-nth:1): bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 160.346441] FAULT_INJECTION: forcing a failure. [ 160.346441] name failslab, interval 1, probability 0, space 0, times 0 [ 160.357811] CPU: 0 PID: 12522 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 160.365087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.375569] Call Trace: [ 160.378161] dump_stack+0x194/0x24d [ 160.381794] ? arch_local_irq_restore+0x53/0x53 [ 160.386463] ? __save_stack_trace+0x7e/0xd0 [ 160.387975] syz-executor2[12529] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 160.390789] should_fail+0x8c0/0xa40 [ 160.390803] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 160.390815] ? kasan_kmalloc+0xad/0xe0 [ 160.390827] ? kmem_cache_alloc_trace+0x136/0x740 [ 160.419241] ? __memcg_init_list_lru_node+0x169/0x270 [ 160.422185] FAULT_INJECTION: forcing a failure. [ 160.422185] name failslab, interval 1, probability 0, space 0, times 0 [ 160.424430] ? __list_lru_init+0x544/0x750 [ 160.424441] ? sget_userns+0x691/0xe40 [ 160.424451] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 160.424459] ? do_mount+0xea4/0x2bb0 [ 160.424466] ? SyS_mount+0xab/0x120 [ 160.424476] ? do_syscall_64+0x281/0x940 [ 160.424488] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 160.424501] ? find_held_lock+0x35/0x1d0 [ 160.424517] ? __lock_is_held+0xb6/0x140 [ 160.473309] ? check_same_owner+0x320/0x320 [ 160.477618] ? rcu_note_context_switch+0x710/0x710 [ 160.482535] should_failslab+0xec/0x120 [ 160.486495] kmem_cache_alloc_trace+0x4b/0x740 [ 160.491071] ? __kmalloc_node+0x33/0x70 [ 160.495028] ? __kmalloc_node+0x33/0x70 [ 160.498984] ? rcu_read_lock_sched_held+0x108/0x120 [ 160.503983] __memcg_init_list_lru_node+0x169/0x270 [ 160.508985] ? list_lru_add+0x7c0/0x7c0 [ 160.512939] ? __kmalloc_node+0x47/0x70 [ 160.516897] __list_lru_init+0x544/0x750 [ 160.520940] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 160.526810] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 160.531806] ? __lockdep_init_map+0xe4/0x650 [ 160.536198] ? lockdep_init_map+0x9/0x10 [ 160.540246] sget_userns+0x691/0xe40 [ 160.543978] ? kernfs_sop_show_path+0x190/0x190 [ 160.548632] ? kernfs_sop_show_options+0x180/0x180 [ 160.553545] ? destroy_unused_super.part.6+0xd0/0xd0 [ 160.558635] ? check_same_owner+0x320/0x320 [ 160.562942] ? rcu_pm_notify+0xc0/0xc0 [ 160.566821] ? rcu_read_lock_sched_held+0x108/0x120 [ 160.571820] ? kmem_cache_alloc_trace+0x459/0x740 [ 160.576649] ? lock_downgrade+0x980/0x980 [ 160.580787] kernfs_mount_ns+0x13d/0x8b0 [ 160.584833] ? kernfs_super_ns+0x70/0x70 [ 160.588880] sysfs_mount+0xc2/0x1c0 [ 160.592492] ? sysfs_kill_sb+0x40/0x40 [ 160.596368] ? alloc_pages_current+0xbe/0x1e0 [ 160.600850] ? security_sb_copy_data+0x81/0xb0 [ 160.605414] mount_fs+0x66/0x2d0 [ 160.608763] vfs_kern_mount.part.26+0xc6/0x4a0 [ 160.613326] ? may_umount+0xa0/0xa0 [ 160.616934] ? _raw_read_unlock+0x22/0x30 [ 160.621063] ? __get_fs_type+0x8a/0xc0 [ 160.624933] do_mount+0xea4/0x2bb0 [ 160.628467] ? copy_mount_string+0x40/0x40 [ 160.632688] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 160.637690] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 160.642434] ? retint_kernel+0x10/0x10 [ 160.646310] ? copy_mount_options+0x181/0x2e0 [ 160.650790] ? copy_mount_options+0x1f7/0x2e0 [ 160.655276] SyS_mount+0xab/0x120 [ 160.658712] ? copy_mnt_ns+0xb30/0xb30 [ 160.662587] do_syscall_64+0x281/0x940 [ 160.666460] ? vmalloc_sync_all+0x30/0x30 [ 160.670593] ? _raw_spin_unlock_irq+0x27/0x70 [ 160.675075] ? finish_task_switch+0x1c1/0x7e0 [ 160.679555] ? syscall_return_slowpath+0x550/0x550 [ 160.684469] ? syscall_return_slowpath+0x2ac/0x550 [ 160.689388] ? prepare_exit_to_usermode+0x350/0x350 [ 160.694388] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 160.699746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 160.704574] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 160.709742] RIP: 0033:0x454e79 [ 160.712914] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 160.720602] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 160.727854] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 160.735294] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 160.742551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 160.749806] R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000000e [ 160.757074] CPU: 1 PID: 12529 Comm: syz-executor2 Not tainted 4.16.0-rc6+ #43 [ 160.764352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.774361] Call Trace: [ 160.776958] dump_stack+0x194/0x24d [ 160.780594] ? arch_local_irq_restore+0x53/0x53 [ 160.785264] ? __save_stack_trace+0x7e/0xd0 [ 160.789596] should_fail+0x8c0/0xa40 [ 160.793383] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/01 11:59:29 executing program 0: socketpair(0x0, 0x3, 0xff, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x2400, 0x5) bpf$OBJ_PIN_PROG(0x6, &(0x7f00000000c0)={&(0x7f0000000180)='./file0\x00', r1}, 0x10) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000080)={&(0x7f0000000000)='./file0\x00', r1}, 0x10) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000100)={&(0x7f0000000200)='./file0\x00', 0x0, 0x8}, 0x10) socketpair$ax25(0x3, 0x3, 0xcc, &(0x7f0000000140)) mkdir(&(0x7f0000000480)='./file0\x00', 0xfffffffffffffffe) 2018/04/01 11:59:29 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) r0 = perf_event_open(&(0x7f0000000040)={0x3, 0x70, 0x80, 0x1, 0x1, 0x7, 0x0, 0x5, 0x1, 0xf, 0xfff, 0x7f, 0x8001, 0x6, 0x3, 0x3, 0x3, 0x610, 0x2, 0x200, 0x3, 0xf8, 0x7, 0x9, 0xf565, 0x7, 0xff, 0x6, 0x5, 0x6, 0x7, 0x27, 0x8, 0x3, 0x2a98e3f5, 0x6, 0xfff, 0x8, 0x0, 0x1, 0x1, @perf_bp={&(0x7f0000000000), 0x8}, 0x258, 0x4, 0xff, 0x0, 0xff, 0x7fff}, 0x0, 0x4, 0xffffffffffffffff, 0x8) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000100)='}&cgroup\x00') 2018/04/01 11:59:29 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair(0x0, 0x5, 0x2, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x40082406, &(0x7f0000000080)='\x00') bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000000)={r0, &(0x7f0000000100)="dc680b149bff7b19a846ad59691683e99ea9fe5863a0737aa0aba5d56a26e645c5964eb934a2991ff56116aed059995a13a2e8e7353bfe965d1d5fb2f6aa6adb95b0455d9b2918854285ce09b46d73394d37dce09a127f5c3af6789161f5dd60086b2b4c61de0e0ecdc3e4a28c9896947e6969a60085f32a266133ef354e8c9b40f916aed40155b0cdb2253ef1339014a67ad332dcf53b59a2d151efea2652ca748d46f1919a756bbfb993e4d2f87c9f076a2ade2339042bc9da674d725a11e5e65746cf8b0c6d7ea066", &(0x7f0000000200)=""/115}, 0x18) r2 = getpid() perf_event_open(&(0x7f00000002c0)={0x0, 0x70, 0x6, 0xfffffffffffff104, 0x8, 0x100, 0x0, 0xb0a2, 0x8000, 0x2, 0x5, 0xfc9, 0x3, 0x7fffffff, 0x8, 0xfffffffffffffff7, 0x2, 0x6, 0x81, 0x4ccc4907, 0xff, 0x20, 0x7, 0x0, 0x561a, 0xffffffffffffffff, 0x456, 0xffff, 0x0, 0x10000, 0x9, 0x64e50cb3, 0x68, 0x50, 0x0, 0x0, 0x3, 0xd751, 0x0, 0x401, 0x4, @perf_bp={&(0x7f0000000280), 0xd}, 0x10380, 0x8, 0x4, 0x0, 0x1, 0x7, 0x8}, r2, 0x7, r1, 0x3) 2018/04/01 11:59:29 executing program 7: mount(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='rpc_pipefs\x00', 0x5, &(0x7f0000000180)="92852bea694ad395ca2323a4732c0d08fe94") socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) [ 160.798491] ? kasan_kmalloc+0xad/0xe0 [ 160.802382] ? __kmalloc_track_caller+0x15e/0x760 [ 160.807229] ? memdup_user+0x2c/0x90 [ 160.810942] ? strndup_user+0x62/0xb0 [ 160.814742] ? SyS_mount+0x3c/0x120 [ 160.818368] ? proc_fail_nth_write+0x9b/0x1d0 [ 160.823044] ? map_files_get_link+0x3a0/0x3a0 [ 160.827541] ? find_held_lock+0x35/0x1d0 [ 160.831703] ? check_same_owner+0x320/0x320 [ 160.836029] ? rcu_note_context_switch+0x710/0x710 [ 160.841309] ? __check_object_size+0x8b/0x530 2018/04/01 11:59:29 executing program 4 (fault-call:1 fault-nth:15): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:29 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000000040)={0x5, 0x70, 0x8428, 0x80000001, 0xfffffffffffffc00, 0xddbd, 0x0, 0x48, 0x80000, 0x8, 0x7, 0x3, 0xc63, 0x23, 0x7b42, 0x1, 0x3, 0x100, 0x400, 0x8, 0x100000000, 0x40, 0x8, 0x4, 0x100, 0x6, 0x55, 0x2, 0x3ff, 0x5, 0xffff, 0x2, 0x6, 0x80000000, 0x7, 0x5b, 0x3, 0xc4, 0x0, 0x2, 0x2, @perf_bp={&(0x7f0000000000), 0x1}, 0x8000, 0xfff0000000000, 0x8001, 0x7, 0x192, 0x384, 0x1ff}, 0x0, 0x1, 0xffffffffffffffff, 0x2) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0x81) 2018/04/01 11:59:29 executing program 5: mkdir(&(0x7f0000000000)='./file0/', 0x65) mkdir(&(0x7f0000000040)='./file0/', 0x0) [ 160.845809] should_failslab+0xec/0x120 [ 160.849784] __kmalloc_track_caller+0x5f/0x760 [ 160.854428] ? strncpy_from_user+0x430/0x430 [ 160.858840] ? strndup_user+0x62/0xb0 [ 160.862641] ? _copy_from_user+0x99/0x110 [ 160.866794] memdup_user+0x2c/0x90 [ 160.870336] strndup_user+0x62/0xb0 [ 160.873966] SyS_mount+0x6b/0x120 [ 160.877422] ? copy_mnt_ns+0xb30/0xb30 [ 160.881637] do_syscall_64+0x281/0x940 [ 160.885537] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 160.891076] ? syscall_return_slowpath+0x550/0x550 [ 160.896017] ? syscall_return_slowpath+0x2ac/0x550 [ 160.900951] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 160.906332] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 160.911529] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 160.916703] RIP: 0033:0x454e79 [ 160.919869] RSP: 002b:00007f435b5aec68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 160.927555] RAX: ffffffffffffffda RBX: 00007f435b5af6d4 RCX: 0000000000454e79 [ 160.934818] RDX: 00000000200002c0 RSI: 0000000020000100 RDI: 0000000020000240 [ 160.942085] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 160.949335] R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000013 [ 160.956583] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000001 [ 160.980488] FAULT_INJECTION: forcing a failure. [ 160.980488] name failslab, interval 1, probability 0, space 0, times 0 [ 160.991871] CPU: 1 PID: 12559 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 2018/04/01 11:59:29 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000200)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) [ 160.999147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.008502] Call Trace: [ 161.011100] dump_stack+0x194/0x24d [ 161.014733] ? arch_local_irq_restore+0x53/0x53 [ 161.019407] ? __save_stack_trace+0x7e/0xd0 [ 161.023742] should_fail+0x8c0/0xa40 [ 161.027462] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 161.032569] ? kasan_kmalloc+0xad/0xe0 [ 161.036457] ? kmem_cache_alloc_trace+0x136/0x740 [ 161.041302] ? __memcg_init_list_lru_node+0x169/0x270 [ 161.046502] ? __list_lru_init+0x544/0x750 [ 161.050745] ? sget_userns+0x691/0xe40 [ 161.054634] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 161.059393] ? do_mount+0xea4/0x2bb0 [ 161.063102] ? SyS_mount+0xab/0x120 [ 161.066708] ? do_syscall_64+0x281/0x940 [ 161.070746] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 161.076089] ? find_held_lock+0x35/0x1d0 [ 161.080130] ? __lock_is_held+0xb6/0x140 [ 161.084177] ? check_same_owner+0x320/0x320 [ 161.088484] ? rcu_note_context_switch+0x710/0x710 [ 161.093394] should_failslab+0xec/0x120 [ 161.097608] kmem_cache_alloc_trace+0x4b/0x740 [ 161.102163] ? __kmalloc_node+0x33/0x70 [ 161.106111] ? __kmalloc_node+0x33/0x70 [ 161.110060] ? rcu_read_lock_sched_held+0x108/0x120 [ 161.115053] __memcg_init_list_lru_node+0x169/0x270 [ 161.120045] ? list_lru_add+0x7c0/0x7c0 [ 161.123996] ? __kmalloc_node+0x47/0x70 [ 161.127957] __list_lru_init+0x544/0x750 [ 161.131995] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 161.137863] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 161.142856] ? __lockdep_init_map+0xe4/0x650 [ 161.147241] ? lockdep_init_map+0x9/0x10 [ 161.151283] sget_userns+0x691/0xe40 [ 161.154973] ? kernfs_sop_show_path+0x190/0x190 [ 161.159625] ? kernfs_sop_show_options+0x180/0x180 [ 161.164881] ? destroy_unused_super.part.6+0xd0/0xd0 [ 161.169976] ? check_same_owner+0x320/0x320 [ 161.174282] ? rcu_pm_notify+0xc0/0xc0 [ 161.178150] ? rcu_read_lock_sched_held+0x108/0x120 [ 161.183143] ? kmem_cache_alloc_trace+0x459/0x740 [ 161.187961] ? lock_downgrade+0x980/0x980 [ 161.192088] kernfs_mount_ns+0x13d/0x8b0 [ 161.196126] ? kernfs_super_ns+0x70/0x70 [ 161.200165] sysfs_mount+0xc2/0x1c0 [ 161.203769] ? sysfs_kill_sb+0x40/0x40 [ 161.207633] ? alloc_pages_current+0xbe/0x1e0 [ 161.212104] ? security_sb_copy_data+0x81/0xb0 [ 161.216664] mount_fs+0x66/0x2d0 [ 161.220010] vfs_kern_mount.part.26+0xc6/0x4a0 [ 161.224568] ? may_umount+0xa0/0xa0 [ 161.228169] ? _raw_read_unlock+0x22/0x30 [ 161.232302] ? __get_fs_type+0x8a/0xc0 [ 161.236166] do_mount+0xea4/0x2bb0 [ 161.239685] ? copy_mount_string+0x40/0x40 [ 161.243898] ? rcu_pm_notify+0xc0/0xc0 [ 161.247767] ? copy_mount_options+0x5f/0x2e0 [ 161.252153] ? rcu_read_lock_sched_held+0x108/0x120 [ 161.257144] ? kmem_cache_alloc_trace+0x459/0x740 [ 161.261964] ? kasan_check_write+0x14/0x20 [ 161.266180] ? copy_mount_options+0x1f7/0x2e0 [ 161.270665] SyS_mount+0xab/0x120 [ 161.274128] ? copy_mnt_ns+0xb30/0xb30 [ 161.278007] do_syscall_64+0x281/0x940 [ 161.281875] ? vmalloc_sync_all+0x30/0x30 [ 161.286003] ? _raw_spin_unlock_irq+0x27/0x70 [ 161.290481] ? finish_task_switch+0x1c1/0x7e0 [ 161.294954] ? syscall_return_slowpath+0x550/0x550 [ 161.299860] ? syscall_return_slowpath+0x2ac/0x550 [ 161.304767] ? prepare_exit_to_usermode+0x350/0x350 [ 161.309773] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 161.315122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 161.319944] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 161.325109] RIP: 0033:0x454e79 [ 161.328280] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 161.335967] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 161.343215] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 2018/04/01 11:59:30 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000200)) [ 161.350463] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 161.357710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 161.364960] R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000000f 2018/04/01 11:59:30 executing program 5: socketpair(0x7, 0x80000, 0x1, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$kcm(r0, &(0x7f00000006c0)={&(0x7f0000000040)=@in6={0x0, 0x0, 0x0, @loopback}, 0x80, &(0x7f0000000640)=[{&(0x7f0000000100)=""/55, 0x37}, {&(0x7f0000000140)=""/255, 0xff}, {&(0x7f0000000240)=""/199, 0xc7}, {&(0x7f0000000340)=""/97, 0x61}, {&(0x7f00000003c0)=""/45, 0x2d}, {&(0x7f0000000400)=""/141, 0x8d}, {&(0x7f00000004c0)=""/130, 0x82}, {&(0x7f0000000580)=""/145, 0x91}], 0x8, 0x0, 0x0, 0x1999}, 0x40) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000700)={0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMATTACH(r1, 0x89e0, &(0x7f0000000740)={r2, r0}) mkdir(&(0x7f00000000c0)='./file0/', 0x0) 2018/04/01 11:59:30 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r1, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r1, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r3}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) sendmsg(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r4, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:30 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000100)) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000040)) r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000080)={&(0x7f0000000000)='./file0\x00', 0x0, 0x8}, 0x10) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000140)={r0, 0x28, &(0x7f00000000c0)}, 0x10) gettid() 2018/04/01 11:59:30 executing program 7: mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:30 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:30 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0x13, 0x6, 0x7, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000140)={r0, &(0x7f0000000040)="6fd955848c321e0100a8295f511b321ab491c29feec0b89c53f10564160045d4a324248c0f45512b78758b7c529110434ad68f930f068352f91954a3f19afa121ac3f0dac4f7a1bb227c4ff5e35e6d48e0ededc8fcb8364be557abe29fb20057de8f52362b5eb4a4d059436aaeab9d7b28608db8eacad1c9f6cf40582b2f45b23c0654af31f94ba07afaf3342c658d6cb27978eab5df01ae2a23698a6d536b356a1c70fb02d17a8f07ec5f349b6267668813f91b490bd498c127b2668ba83f49e8daba654a9d9cdd008539dc65911e8d5757fcc9dd28a1efbbe8102fad9cc8cbe7a42c6bb3ba8370c42d7cdc64ab1887f316e6b3e3f6cd"}, 0x10) ioctl$PERF_EVENT_IOC_REFRESH(r0, 0x2402, 0xcd) 2018/04/01 11:59:30 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000100)={0x1, 0x28, &(0x7f0000000240)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000140)={r0, 0x3, 0x8}, 0xc) r1 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file1\x00', 0x0, 0x18}, 0x10) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000280)={r1, 0x28, &(0x7f00000000c0)}, 0x10) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000300)) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f00000001c0)='./file0\x00', &(0x7f0000000400)="6d7175008b0d2b716209b286f706acc59875de38d01c8d0ee381fd8b649edf4779bb9e19b3dae98ead87e0c2758c134c9a1ca7eebfe0707bb8430a0f6ee5ea8fffffe17a0c3035e565f956c751d14c05a27dcdc02879b8d38d0348826db912c4f9b20dd6a1", 0x30, 0x0) 2018/04/01 11:59:30 executing program 4 (fault-call:1 fault-nth:16): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:30 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000080)) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000000)) [ 161.526259] syz-executor2[12598] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 161.544353] EXT4-fs (sda1): re-mounted. Opts: (null) [ 161.566738] FAULT_INJECTION: forcing a failure. [ 161.566738] name failslab, interval 1, probability 0, space 0, times 0 [ 161.578072] CPU: 1 PID: 12600 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 161.585350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.594726] Call Trace: [ 161.597323] dump_stack+0x194/0x24d [ 161.600961] ? arch_local_irq_restore+0x53/0x53 [ 161.605631] ? __save_stack_trace+0x7e/0xd0 [ 161.609964] should_fail+0x8c0/0xa40 [ 161.613683] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 161.618795] ? kasan_kmalloc+0xad/0xe0 [ 161.622686] ? kmem_cache_alloc_trace+0x136/0x740 [ 161.627543] ? __memcg_init_list_lru_node+0x169/0x270 [ 161.632734] ? __list_lru_init+0x544/0x750 [ 161.636970] ? sget_userns+0x691/0xe40 2018/04/01 11:59:30 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='sysfs\x00', 0x44000, &(0x7f0000000100)="a7bfb8c70c9a16c94eb5a937f57315a67c77e5935f0f2466ed797a8af0ce94a2f76aeae414e71fee43da166bf4af912f06a482302d45230b8a17c021b53b4a39015e73b1c69071164a6a4c2450ee3efe5bf7283f82d25de68b0bdfb97c0a63a19facbd688ac35d8b9925db96bf4913c974cf9597a1") 2018/04/01 11:59:30 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mkdir(&(0x7f0000000000)='./file1\x00', 0x108) 2018/04/01 11:59:30 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0x0, 0x3, 0x2, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0x40082404, &(0x7f0000000140)=0x414) r2 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file1\x00'}, 0x10) bpf$OBJ_PIN_PROG(0x6, &(0x7f00000000c0)={&(0x7f0000000000)='./file0\x00', r2}, 0x10) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x2400, 0x14bec21d) bpf$OBJ_PIN_PROG(0x6, &(0x7f00000001c0)={&(0x7f0000000180)='./file2\x00', r1}, 0x10) [ 161.640864] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 161.645619] ? do_mount+0xea4/0x2bb0 [ 161.649331] ? SyS_mount+0xab/0x120 [ 161.652962] ? do_syscall_64+0x281/0x940 [ 161.657024] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 161.662392] ? find_held_lock+0x35/0x1d0 [ 161.666453] ? __lock_is_held+0xb6/0x140 [ 161.670520] ? check_same_owner+0x320/0x320 [ 161.674841] ? rcu_note_context_switch+0x710/0x710 [ 161.679776] should_failslab+0xec/0x120 [ 161.683750] kmem_cache_alloc_trace+0x4b/0x740 [ 161.688464] ? __kmalloc_node+0x33/0x70 [ 161.692450] ? __kmalloc_node+0x33/0x70 [ 161.696533] ? rcu_read_lock_sched_held+0x108/0x120 [ 161.701563] __memcg_init_list_lru_node+0x169/0x270 [ 161.706590] ? list_lru_add+0x7c0/0x7c0 [ 161.710574] ? __kmalloc_node+0x47/0x70 [ 161.714661] __list_lru_init+0x544/0x750 [ 161.718732] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 161.724623] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 161.729647] ? __lockdep_init_map+0xe4/0x650 [ 161.734062] ? lockdep_init_map+0x9/0x10 [ 161.738126] sget_userns+0x691/0xe40 [ 161.741836] ? kernfs_sop_show_path+0x190/0x190 [ 161.746505] ? kernfs_sop_show_options+0x180/0x180 [ 161.751432] ? destroy_unused_super.part.6+0xd0/0xd0 [ 161.756539] ? check_same_owner+0x320/0x320 [ 161.760855] ? rcu_pm_notify+0xc0/0xc0 [ 161.764746] ? rcu_read_lock_sched_held+0x108/0x120 [ 161.769758] ? kmem_cache_alloc_trace+0x459/0x740 [ 161.774599] ? lock_downgrade+0x980/0x980 [ 161.778754] kernfs_mount_ns+0x13d/0x8b0 [ 161.782816] ? kernfs_super_ns+0x70/0x70 [ 161.786881] sysfs_mount+0xc2/0x1c0 [ 161.790503] ? sysfs_kill_sb+0x40/0x40 [ 161.794386] ? alloc_pages_current+0xbe/0x1e0 [ 161.798878] ? security_sb_copy_data+0x81/0xb0 [ 161.803462] mount_fs+0x66/0x2d0 [ 161.806821] vfs_kern_mount.part.26+0xc6/0x4a0 [ 161.811407] ? may_umount+0xa0/0xa0 [ 161.815033] ? _raw_read_unlock+0x22/0x30 [ 161.819174] ? __get_fs_type+0x8a/0xc0 [ 161.823318] do_mount+0xea4/0x2bb0 [ 161.826852] ? copy_mount_string+0x40/0x40 [ 161.831079] ? rcu_pm_notify+0xc0/0xc0 [ 161.834966] ? copy_mount_options+0x5f/0x2e0 [ 161.839369] ? rcu_read_lock_sched_held+0x108/0x120 [ 161.844406] ? kmem_cache_alloc_trace+0x459/0x740 [ 161.849275] ? kasan_check_write+0x14/0x20 [ 161.853512] ? _copy_from_user+0x99/0x110 [ 161.857663] ? copy_mount_options+0x1f7/0x2e0 [ 161.862161] SyS_mount+0xab/0x120 [ 161.865612] ? copy_mnt_ns+0xb30/0xb30 [ 161.869502] do_syscall_64+0x281/0x940 [ 161.873391] ? vmalloc_sync_all+0x30/0x30 [ 161.877884] ? _raw_spin_unlock_irq+0x27/0x70 [ 161.882384] ? finish_task_switch+0x1c1/0x7e0 [ 161.886883] ? syscall_return_slowpath+0x550/0x550 [ 161.891824] ? syscall_return_slowpath+0x2ac/0x550 [ 161.896759] ? prepare_exit_to_usermode+0x350/0x350 [ 161.901781] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 161.907148] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 161.912002] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 161.917193] RIP: 0033:0x454e79 [ 161.920403] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 161.928110] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 161.935377] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 2018/04/01 11:59:30 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000000)={r0, 0x0, 0x83, 0xb5, &(0x7f0000000440)="15b8174cce068118b9583e2aa813193116e222cc03e68cd73e19e24dd8078653df6c55e0490fc83070469ca18b1278ec0f21a82b05679c1b7777abca5e9f063a4d117043ce7e5618e4742b7d8ca566841a9b7d08529419b4aca482ace51bc49aabc92408b9367e2366e03e0d7b8d4f37dca9885cc684200bd497f00cfbd269899f2b2b", &(0x7f0000000500)=""/181, 0x7, 0x7}, 0x28) socketpair(0x4, 0x2, 0x1, &(0x7f0000000140)={0xffffffffffffffff}) sendmsg$kcm(r1, &(0x7f0000003e80)={&(0x7f0000000380)=@l2={0x1f, 0x6, {0xffffffff, 0x524, 0x1, 0x2, 0x8, 0x1}, 0x3}, 0x80, &(0x7f0000001980)=[{&(0x7f00000005c0)="5612f0193640393ff676bd2d28a83700b2c49142a512692d564efe9f417db3847e01c9d39f68c5662e8c43ffc0ed0b262c96eefe0ffbb7c9dc71ea6d58829c7ff7c5170ef96de2db76fb0908303c4f5c14fac1734490422f6e7289efbbf7fb28dc6e72d2d2f206e19054cbe99a706239410cbae5d890e0afb18dfb50bcfb973f188391a5a54c5be160d4de10a6b4a2f6d264b61ddf66751533246ff647b365b8558c5d7dcc0af254f033ad7ce3", 0xad}, {&(0x7f0000000200)="b96cb8", 0x3}, {&(0x7f0000000680)="91292d91b5c11bf31fa4acf4c791317d84d83a3f8ffafc6394c2c03f11026c1be4fa25ad698a6520b114a07bbc8ce7f10f64ee405be984385b2c231b7ecdff59aef673bb1de91c945e4c12fba9a02d183cfddd0589ed6096886e4843487380d3ee0caf0654224f6ba1e607d3bdbd3722c570d43ab4b14c6718364c2779d7262a98cf7c45d282cb0a3c32dd3d8cde232bebffdf89f57b382ca4e59f977ac13f01cde3714269b26fdb652f8c3abda310c65ff02388e4ddebb41163f53b8b9f95065ba92106005b703992a70faf91304d5df3411647af9a947f667512e40d1f04a95efe8b8589", 0xe5}, {&(0x7f0000000780)="0f2689d76ef9b9f18e5bf849c3ee3aaac2d6b309460164548ded12a793e003ac998b04042ebed455f95d08d4f7ef55c756413015f0c345e84961f904b7cc3461817e3040c992a51c20c8887cd293854e00cb7b38a935f20b0b57efa3fbbce838bb1505b480e103ed0a2d45e77fb6f052a6348a7838b03f6c6bef06247f7133c153586c12bfdb87a37925ca1f4448f003fbe009dd8894812a7f5b18ccbab3a118d520ff6c894877eaa71ab8e168939106766a38eb269fc524df2de1a0dfd2b54463af2a92f5a96ada7642062367b926df97839d2f3eff4ee5b6d8c91d7ad7e37d2c31c4e8743c5572356f211050", 0xed}, {&(0x7f0000000880)="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"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0x2458, 0x40000}, 0x4) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:30 executing program 7: socketpair(0x9, 0x8000a, 0x3ff, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000340)={&(0x7f0000000080)=@l2, 0x80, &(0x7f0000000300)=[{&(0x7f0000000180)=""/107, 0x6b}, {&(0x7f0000000200)=""/71, 0x47}, {&(0x7f0000000280)=""/84, 0x54}, {&(0x7f0000000100)=""/30, 0x1e}], 0x4, 0x0, 0x0, 0xb9e}, 0x2) sendmsg$kcm(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000440)=[{&(0x7f00000003c0)="17ab472d139299ba8098fe20", 0xc}, {&(0x7f0000000400)="2ed9efa019aac9f032637acee9062314182fed582e3c2663b267176b9e4f42df8514bd4198af", 0x26}], 0x2}, 0x80) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:30 executing program 0: mkdir(&(0x7f0000000080)='./file1\x00', 0x2) 2018/04/01 11:59:30 executing program 0: r0 = socket$kcm(0x29, 0xb8ae3493b81fe4bc, 0x0) recvmsg$kcm(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@l2, 0x80, &(0x7f0000000340)=[{&(0x7f0000000080)=""/195, 0xc3}, {&(0x7f0000000180)=""/82, 0x52}, {&(0x7f0000000200)=""/63, 0x3f}, {&(0x7f0000000240)=""/132, 0x84}, {&(0x7f0000000300)=""/22, 0x16}], 0x5, &(0x7f00000004c0)=""/194, 0xc2, 0xfb5f}, 0x120) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:30 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @rand_addr}}}, 0x80, &(0x7f0000000080)=[{&(0x7f0000000100)=""/107, 0x6b}, {&(0x7f0000000180)=""/253, 0xfd}, {&(0x7f0000000280)=""/65, 0x41}], 0x3, &(0x7f0000000300)=""/106, 0x6a}, 0x100) sendmsg(r0, &(0x7f00000008c0)={&(0x7f00000003c0)=@in={0x2, 0x4e22, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x80, &(0x7f0000000600)=[{&(0x7f0000000440)}, {&(0x7f0000000480)="ec560d17b195968d81f34374e434cb56d67d60872810c4516d50e29c1d663088bd1c80cb7b5bb4cd41d8394122f6bb1ce5187401ccde53c152348dc640fd9f2a81a21c740118ba3d1e3e4754416be876bc6765fbeb5d3726842f0c36f104f48ab5f229e622556d087a6f90fe8af419b4d53767616406a40bebe9df872701b6b7750e091b23533fb69a4d6eec8a1e12054c51d19ec6778743339ce06547dec1c2a3220f0fc8d9a09e79301ac671813ce9167c7cb8c27512fda10909a750caac114016102beeebfcf9d76ca4c1e992f91ff65d44", 0xd3}, {&(0x7f0000000580)="137ef6233c6bdb5eb7b3b6c38864007fbf9631e85a77d5b5046454d88e80e94668207615e5064cf85670f18bb58b9cdedde55b20ffcdd859cbae620af11d9b216dd57ec92d8658778c6724b93579bc32ccbbf28838a7faaece413cb28bdc6827e62c6c50ebfd6ee2349554670694b50dc5e5d9027e66", 0x76}], 0x3, &(0x7f0000000900)=ANY=[@ANYBLOB="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"], 0x280}, 0x20004080) [ 161.942732] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 161.950000] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 161.957267] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000010 [ 161.997747] syz-executor2[12644] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 162.011982] EXT4-fs (sda1): re-mounted. Opts: (null) [ 162.031402] syz-executor2[12652] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 162.039165] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:38 executing program 7: socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000080)) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x2, &(0x7f00000002c0)) 2018/04/01 11:59:38 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r1, &(0x7f0000007800)={&(0x7f0000006140)=@ll={0x0, 0x0, 0x0}, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) sendmsg(r1, &(0x7f0000007e80)={&(0x7f0000007840)=@can={0x1d, r2}, 0x80, &(0x7f0000007c00)=[{&(0x7f00000078c0)="c76c137e82d227eb6aecf382b7934e1aa44134910b6b5cd5a07ee7ac699da8c83fcd8cf180b1d95da323f0cbe73572cea30f1b68057b38c3e672839e813b8733185864522190faa56979f54927d8a1ade910877d8cd6b41d825a19e334d58ceff59970", 0x63}], 0x1, &(0x7f0000007c80), 0x0, 0x20000044}, 0xe43773736c594b20) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r3, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:38 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000140)={&(0x7f0000000000)='./file0\x00', 0x0, 0x8}, 0x10) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:38 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x100) 2018/04/01 11:59:38 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) r0 = socket$kcm(0x29, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000580)=[{&(0x7f0000000000)="dfd4ae71955b66be87eb9d2ce72fcbc65577512eec2b8b77d8bf2323f08b6e20a9663b6be49a3d26093a29520dbc543a6beb0ec661f11ce59395ddc4a3c9cecf739bac7989091322c2449c5db9cbc3d5e3109a0b0a94835f958ec934270d62a484d9ba11c5ecd1e2034eca99b8df80cb1a741f9378b88c9140c84bb6", 0x7c}, {&(0x7f0000000080)="fd226ec43c3664c8a53207a05d8893bd8a33324bd9f2456b186395b5ce16f2f50272b488f459b66cd35b9f72b4cf53f1cf219113968710e1357b429213fe57334ea8a68fcbb745ce0de24591e7d7401affd56def5ed164e8ff0b13b8e40b", 0x5e}, {&(0x7f0000000100)="28777ad0f949bbe949007069cf875309572075361aa5d5622465cc8bc317eff45dd92b264be4a4c2470338715109558216830d45dbfa2258fc2d2f4d96e59024e6266faa8eaa0bc8adb0a0ca83b4bfdf0236a6b5d950f85272aed50e757281d0617909a9506f5f1c3114546ceb6250d6e7cfd01cc40ccaa53c2dd653073b4b79836029d415fe220ad95703bab355436c5f8e1df964366457fc152dd9de5da8be63d2c434c8c38413b29fac03b8267aaaffb945ea13321ac335ee12f58e26854bf3d51989f7bc91f76c70412508044250aaa7430dcb5f0862094f84ff006cba1dc3981761", 0xe4}, {&(0x7f0000000200)="b34026e8b848e7c32f507fef22a18200e4aa5b7a94be0ad28c201bae009159e83fb75335752f29df0d705eb77e672f2ee51e50b0898362ead05edef0e19ce981317ea26e4ea74628628c913adab15f274936e0d45b906d1be67e23053ff6560aa7be20c714d37901984ba757ea9d276a0fb7e034a4b7b03697b6ad41eabaa07394b38131834aff62a7dfc08d8bba7697f38f0d9303118cbb31cd53c7a37e8e5a683163c3187380ee6b1740d8d77a030129ad81b21726dda3e1b28d09f4596449d0a27d064f572ceb1afdf8cebed3fb2ab4a1f8463589c85cef48797354f1639d3b2de5f732ae5247f24921d7e5b3", 0xee}, {&(0x7f0000000300)='P', 0x1}, {&(0x7f0000000340)="01fe0a592f11a4f52e80fd1f904bda450c9d4e99b84b3be9dd0d37f4cca640d167b003fe99212d73edb45fd7e6c889dd631bf2479d9016534df9da849e54581ae9eb43451bd510e2124072c0e59ab979f0223d53b6dca0", 0x57}, {&(0x7f00000003c0)="037724fa6266f9e50161a59e5bb13537c9a668a4f6571825654367ad35e65491f59dc7baf3a7c9337ff9de18e6c1c22127e4e7e25358b8519d733f033feed72278055f75d6b9184ebc4662ef5604b9ecb3d79f1b5a3a934505541ae23e4850600c7f79b0b2645e9210ae591112513d", 0x6f}, {&(0x7f00000004c0)="66250fcad65e227c9ada9d83e3e933bfcda95d9c43505215c4caadbc7c7702780e425a47e6b64db320ec1932d718498f18fd2e42785abb4b39e99ec175a94bacfab1b70c2a6c5abbb1609d9c71321228e53483e747ef72e67cac4276af0eae12d6fb78df59e07d6b6929794321e6b8d8c791f1a9fe78ef58a919cce984ec6dd6f19615", 0x83}], 0x8, &(0x7f0000000600)=[{0xc8, 0x105, 0x8, "25200bd1c947a408fdf023a90dd49f3898d05766d73a894eb12de824d4efdba157d94ca64c4f52d2ade47015f4ce509554224e85067246dd3f62a9d8ec88447840885612cc00a40841d4005e0f621ddeb8bf628690f3792766f5036ec47ce83f939e13fee8513a0fefd5726f0160614e8f56638a216fd22c73668ab0f15cbaa8284eaad134c6aa0b02da2dd072533025d3ed5f403d101e74d49c1527718d7d0902bdefa636ea547ab95e3fdc1de6859ebcc81d726560a5"}], 0xc8, 0x48000}, 0x4000) 2018/04/01 11:59:38 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:38 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0/', 0x0, 0x10}, 0x10) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x0, 0xb3, 0x7d, &(0x7f0000000100)="19ce00e16a6c07db48c60ef91d116958b4c3d8483080f468bb24818cc9f43e904ed8b37e9be2a8c00e64374897c3d32dc5e8be29bdc55a6ce920e9a29ae12cee8b9c86bbe4541e690e5f7d0d7394741884005f84537a92cb084dbe0b1664185a9ee4e583c46d875e94fa92933ec8ec67840a031b1b765d0ef7270f33e64b6509e4d9184cc861dcd764e0b2855508302cb5f4fd7cb5522f2e9ad8f5114ec7db484c7a9a5ee5aa52248593e020c43765b566b834", &(0x7f00000001c0)=""/125, 0x10000, 0x2}, 0x28) 2018/04/01 11:59:38 executing program 4 (fault-call:1 fault-nth:17): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) [ 169.964391] syz-executor2[12660] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 169.964844] EXT4-fs (sda1): re-mounted. Opts: (null) [ 169.990958] FAULT_INJECTION: forcing a failure. [ 169.990958] name failslab, interval 1, probability 0, space 0, times 0 [ 170.002284] CPU: 1 PID: 12661 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 170.009561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.018919] Call Trace: [ 170.021517] dump_stack+0x194/0x24d [ 170.025153] ? arch_local_irq_restore+0x53/0x53 [ 170.029827] ? __save_stack_trace+0x7e/0xd0 [ 170.034166] should_fail+0x8c0/0xa40 [ 170.037892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 170.043003] ? kasan_kmalloc+0xad/0xe0 [ 170.046899] ? kmem_cache_alloc_trace+0x136/0x740 [ 170.051747] ? __memcg_init_list_lru_node+0x169/0x270 [ 170.057919] ? __list_lru_init+0x544/0x750 [ 170.062164] ? sget_userns+0x691/0xe40 [ 170.066057] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 170.070815] ? do_mount+0xea4/0x2bb0 [ 170.074534] ? SyS_mount+0xab/0x120 [ 170.078176] ? do_syscall_64+0x281/0x940 [ 170.082251] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 170.086402] EXT4-fs (sda1): re-mounted. Opts: (null) [ 170.087705] ? find_held_lock+0x35/0x1d0 [ 170.087721] ? __lock_is_held+0xb6/0x140 [ 170.087741] ? check_same_owner+0x320/0x320 [ 170.105253] ? rcu_note_context_switch+0x710/0x710 [ 170.110194] should_failslab+0xec/0x120 2018/04/01 11:59:38 executing program 5: r0 = socket$kcm(0x29, 0x2, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000000)=0xffffffff, 0x4) ioctl$sock_kcm_SIOCKCMATTACH(r0, 0x89e0, &(0x7f0000000040)={r0, r1}) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000240)={0xf, 0xfffffffffffffff9, 0x0, 0x1, 0x5, 0xffffffffffffff9c, 0x7}, 0x2c) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000280)={&(0x7f0000000200)='./file0/', r2}, 0x10) mount(&(0x7f0000000080)='./file0/', &(0x7f0000000100)='./file0/', &(0x7f0000000140)='hfsplus\x00', 0x20000, &(0x7f0000000180)="9a478ca3fd4ad597db6052b8c96ddb3677374317e3f3528c071298c0b084a0345f4fb4e579757af673a43f4ad46ccb56cf62cf10bf35acd3df45d048ed83cf9d3f5027a98856d578f4246d0cf7c6b9d738cf999b8d313aa9d78e860769b9ef6195a036c83aae7f2402bb9228135e5ab76721c51ee77dbe45e620") bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000340)={r2, 0x28, &(0x7f0000000300)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000380)={r3, 0x1, 0x10}, 0xc) mkdir(&(0x7f00000000c0)='./file0/', 0x0) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)={0xf, 0xfffffffffffffffa, 0x3, 0x1, 0x4, r2, 0x5}, 0x2c) 2018/04/01 11:59:38 executing program 0: socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000280)={&(0x7f0000000040)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff}}, 0x80, &(0x7f0000000240)=[{&(0x7f00000000c0)=""/237, 0xed}, {&(0x7f00000001c0)=""/1, 0x1}, {&(0x7f0000000200)=""/60, 0x3c}], 0x3, 0x0, 0x0, 0x401}, 0x40000100) close(r1) r2 = perf_event_open(&(0x7f00000002c0)={0x5, 0x70, 0x401, 0x8001, 0x100000001, 0x1ff, 0x0, 0xc, 0x20, 0x0, 0x40, 0x2, 0x0, 0xffff, 0x9, 0x7, 0x8, 0x1b8bcd2b, 0x4, 0x7, 0xcb, 0x1, 0xec3, 0x6, 0x2, 0x1, 0xa5b, 0x10001, 0xdf3d, 0x1, 0x800, 0x5c3, 0x5, 0x9, 0x1, 0xfffffffffffffc01, 0x2, 0x10001, 0x0, 0x80000, 0x4, @perf_config_ext={0x1, 0xf57}, 0xa000, 0x8, 0x7, 0x2, 0x9, 0xf9, 0xc2f}, 0xffffffffffffffff, 0x3, 0xffffffffffffff9c, 0x9) ioctl$PERF_EVENT_IOC_QUERY_BPF(r2, 0xc008240a, &(0x7f0000000340)={0x3, 0x0, [0x0, 0x0, 0x0]}) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) ioctl$PERF_EVENT_IOC_ID(r2, 0x80082407, &(0x7f0000000380)) 2018/04/01 11:59:38 executing program 5: mkdir(&(0x7f0000000080)='./file0\x00', 0x4) 2018/04/01 11:59:38 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000000)='./file0\x00', 0x1a) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000180)=@generic, 0xfefa, &(0x7f0000000780), 0x0, 0x0, 0xfffffffffffffd20}, 0xffffffffffffffff) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 170.114175] kmem_cache_alloc_trace+0x4b/0x740 [ 170.118757] ? __kmalloc_node+0x33/0x70 [ 170.122736] ? __kmalloc_node+0x33/0x70 [ 170.126714] ? rcu_read_lock_sched_held+0x108/0x120 [ 170.132697] __memcg_init_list_lru_node+0x169/0x270 [ 170.137807] ? list_lru_add+0x7c0/0x7c0 [ 170.141783] ? __kmalloc_node+0x47/0x70 [ 170.145765] __list_lru_init+0x544/0x750 [ 170.149832] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 170.155721] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 170.160736] ? __lockdep_init_map+0xe4/0x650 2018/04/01 11:59:39 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) bpf$BPF_MAP_GET_NEXT_ID(0xc, &(0x7f0000000080)=0x3, 0x4) 2018/04/01 11:59:39 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:39 executing program 5: mkdir(&(0x7f0000000040)='./file0/', 0x83) 2018/04/01 11:59:39 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0x9, 0x8000b, 0x8, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ID(r0, 0x80082407, &(0x7f00000001c0)) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000180)={r0, &(0x7f0000000040)="ee5a16337e6d357bdc8705d06e5a397d91cf737391919672d602dcb38c919fa120e7c96646ccea55ff71af8ccb3c1897c0b8f319aa35b343efb3b72a1e04a49bbaee9827a194c072ee04bf65a0c9b146e158e034b098d27285cb9660e1e608a493bb1e89132de8658b18843670478e7437c91133ef29188fbbe96a7a17ec4ca62d8999a534d65193bdc05dc63e12a7f0eeecab181e1d9a45136898c518665d0548817cc6870f2c159c28ada9b9a02dc6fa2cdd3570852d7320c5d7111ae37a4fa6d4370dcd72bb32df5a851fb42e0db25461801c6533d1db562ad62cac3ae341b7034882a03f5668f8391e721e52ed9743a5", &(0x7f0000000140)="45958be47b5e9b62a8510776c892e426541a"}, 0x20) ioctl$PERF_EVENT_IOC_QUERY_BPF(r0, 0xc008240a, &(0x7f0000000200)={0xa, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) [ 170.165145] ? lockdep_init_map+0x9/0x10 [ 170.169207] sget_userns+0x691/0xe40 [ 170.172923] ? kernfs_sop_show_path+0x190/0x190 [ 170.177656] ? kernfs_sop_show_options+0x180/0x180 [ 170.182601] ? destroy_unused_super.part.6+0xd0/0xd0 [ 170.187718] ? check_same_owner+0x320/0x320 [ 170.192039] ? rcu_pm_notify+0xc0/0xc0 [ 170.195937] ? rcu_read_lock_sched_held+0x108/0x120 [ 170.200986] ? kmem_cache_alloc_trace+0x459/0x740 [ 170.205833] ? lock_downgrade+0x980/0x980 [ 170.209992] kernfs_mount_ns+0x13d/0x8b0 [ 170.214353] ? kernfs_super_ns+0x70/0x70 [ 170.218420] sysfs_mount+0xc2/0x1c0 [ 170.222768] ? sysfs_kill_sb+0x40/0x40 [ 170.226660] ? alloc_pages_current+0xbe/0x1e0 [ 170.231158] ? security_sb_copy_data+0x81/0xb0 [ 170.235738] mount_fs+0x66/0x2d0 [ 170.239112] vfs_kern_mount.part.26+0xc6/0x4a0 [ 170.243699] ? may_umount+0xa0/0xa0 [ 170.247333] ? _raw_read_unlock+0x22/0x30 [ 170.251484] ? __get_fs_type+0x8a/0xc0 [ 170.255379] do_mount+0xea4/0x2bb0 [ 170.258928] ? copy_mount_string+0x40/0x40 [ 170.263166] ? rcu_pm_notify+0xc0/0xc0 [ 170.267155] ? copy_mount_options+0x5f/0x2e0 [ 170.271924] ? rcu_read_lock_sched_held+0x108/0x120 [ 170.276951] ? kmem_cache_alloc_trace+0x459/0x740 [ 170.281810] ? copy_mount_options+0x1f7/0x2e0 [ 170.286402] SyS_mount+0xab/0x120 [ 170.289859] ? copy_mnt_ns+0xb30/0xb30 [ 170.293751] do_syscall_64+0x281/0x940 [ 170.297638] ? vmalloc_sync_all+0x30/0x30 [ 170.301789] ? _raw_spin_unlock_irq+0x27/0x70 [ 170.306286] ? finish_task_switch+0x1c1/0x7e0 [ 170.310787] ? syscall_return_slowpath+0x550/0x550 [ 170.315727] ? syscall_return_slowpath+0x2ac/0x550 [ 170.320665] ? prepare_exit_to_usermode+0x350/0x350 [ 170.325687] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 170.331056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 170.335937] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 170.341125] RIP: 0033:0x454e79 [ 170.344312] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 170.352019] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 170.359287] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 170.366553] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 170.373822] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 170.381088] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000011 2018/04/01 11:59:39 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) socketpair(0x9, 0x80000, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0x5) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:39 executing program 7: socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f00000001c0)) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)={0xf, 0x7, 0x6, 0x0, 0x18, 0x1, 0x1}, 0x2c) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000100)={&(0x7f0000000080)='./file0\x00', r0}, 0x10) 2018/04/01 11:59:39 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000016c0)={0xffffffffffffffff}) socketpair(0x9, 0x6, 0x8, &(0x7f0000000000)={0xffffffffffffffff}) recvmsg$kcm(r1, &(0x7f0000000340)={&(0x7f0000000040)=@in={0x0, 0x0, @local}, 0x80, &(0x7f00000002c0)=[{&(0x7f00000004c0)=""/4096, 0x1000}, {&(0x7f00000000c0)=""/154, 0x9a}, {&(0x7f0000000180)=""/202, 0xca}, {&(0x7f0000000280)}], 0x4, &(0x7f0000000300)=""/58, 0x3a, 0x7}, 0x40000000) recvmsg(r0, &(0x7f0000001b40)={&(0x7f0000001700)=@alg, 0x80, &(0x7f0000001a80)=[{&(0x7f0000001780)=""/50, 0x32}, {&(0x7f00000017c0)=""/214, 0xd6}, {&(0x7f00000018c0)=""/181, 0xb5}, {&(0x7f0000001980)=""/160, 0xa0}, {&(0x7f0000001a40)=""/13, 0xd}], 0x5, &(0x7f0000001b00)=""/34, 0x22, 0xfff}, 0x40000002) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:39 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f00000000c0)) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000300)={0xd, 0x15, &(0x7f0000000440)=ANY=[@ANYBLOB="18000000a500000000000000020000008500000017000000000000000000000018000000746c000000000000020000000aaa0000ffffffff00000000000000001800000001010000000000009e0700000307f8ff0000000000000000000000008500000025000000000000000000000018140000", @ANYRES32=0x1, @ANYBLOB="007d40ffffffffffff0000000000000000089f00001000000000000000000000009500ff000000000000000000000000e78a3788039d1e5649a38b358341b472a7d944c9b9bea53e0d43a9d92436ece56929e0e42505abc03e6859dd39195d6802a236d8"], &(0x7f00000001c0)='GPL\x00', 0x8, 0xec, &(0x7f0000000200)=""/236, 0x50c33dfd7fad87f4, 0x1}, 0x48) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000400)={r0, 0x50, &(0x7f0000000380)}, 0x10) socketpair(0x3, 0x800, 0x8, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ID(r1, 0x80082407, &(0x7f0000000040)) socketpair$ax25(0x3, 0x2, 0xcf, &(0x7f0000000080)) 2018/04/01 11:59:39 executing program 4 (fault-call:1 fault-nth:18): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:39 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r1, &(0x7f0000007800)={&(0x7f0000006140)=@ll, 0x80, &(0x7f0000007740)=[{&(0x7f00000061c0)=""/144, 0x90}, {&(0x7f0000007280)=""/10, 0xa}, {&(0x7f00000072c0)=""/142, 0x8e}, {&(0x7f0000007380)=""/159, 0x9f}, {&(0x7f0000007440)=""/193, 0xc1}, {&(0x7f0000007540)=""/235, 0xeb}, {&(0x7f0000007640)=""/178, 0xb2}, {&(0x7f0000007700)=""/62, 0x3e}], 0x8, 0x0, 0x0, 0x1f}, 0x40) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r2, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:39 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f00000021c0)={&(0x7f0000000000)=@pppoe={0x18, 0x0, {0x4, @empty, 'bpq0\x00'}}, 0x80, &(0x7f0000000ec0)=[{&(0x7f0000000100)="80222e043431184b1766c272b57b8f11bdb08c53add880ce8158020a24d1272e10475d66a1c964b2a4eda3ea1a6cf8b2ca470e45049b858bab7b484ce2fd755af57c0853171adc6b9929ac766a5ff19c7ea1e6ef", 0x54}, {&(0x7f0000000180)="754ae772c8e3709351e7fcf59cb9f34fc6b0e935993aefecb116cc816cf27964a3b99a64fdec5340ab2c7f92f3da599d89f87961250cb6dc036cea5552ee6cce1624d38708e0c7a02d7c0d003eec606921d38b9c9fb48b5521f5b49e18ba6d722d6863a4a830d7", 0x67}, {&(0x7f0000000200)="a8dad43c5060c05022d1cf41b1fe11a90fe36fd0140cf8e0190a07d35a4aa70977085ebd62ef283da751b1a2429e90283e7bbeff04c2ec2e18cc97042fd9d82dfa98cfd66f43fc5a2eebd312bcbd685963192b95ecdb0ec3e8445f3d934eb1355f1dce698eb1543ab516fc1a4706616458ec7076f3e570056562f4069d51739a5b432d60d4e0273eb82d0c168a9b6b2725808e3c1386", 0x96}, {&(0x7f0000000080)="a470", 0x2}, {&(0x7f00000002c0)="b709047e94c9cb5e0464f13f658d0577a03c83fd98a8e1da7fc25f2402d7bbdd8e88129009c35034ac448d2bd3e7be20632afac8a437bff2a01cd125d5fd3440ad", 0x41}, {&(0x7f0000000340)="a95499c9a89f07bc284575f8", 0xc}], 0x6, &(0x7f0000000f40)=[{0x1010, 0x10a, 0x0, "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{&(0x7f0000000640)="2600e1a9d5bb267011d7f37ea54f7cc9740d38bace2b56b558154c55d8a5b5d51ea42fe16c696454751199244bb73af31207c800e938221a8a7381e022ba4ca1a6f8988da09eea0c3b6cb7634f2c1102005b9e5fc787828bd8767b0f1266a9e00240de453b1c0590ab3818cf77a39d4417dc4f03869173a1bdb36a530518f49796b82c5b9b0c1e621a2a93a1259bda683ad6e3850a5ceb6327c92e884a42cef9ae7e795ca884ebe2fea114d3c84ccc19a2bcc4c95ea89d467e2a6180b8d68c8e081c2c2d5223d364c76398f93daf2b1d4728eb355083d0e88610b1", 0xdb}, {&(0x7f0000000740)="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", 0xfe}, {&(0x7f0000000840)="3859c806dcf96a1a8951f41930834cbdab73d7d156feb2a4eee8597b0a7a8de1b4200be0ec25bd", 0x27}, {&(0x7f0000000880)="ccdd563ab0fb6bc5f8973e3818c63cb470aeb6640b23685563796b8156a6", 0x1e}, {&(0x7f00000008c0)="d4765c619933198042784da57eb969eef90e2bacd792ecef8d2b8862da2cdcd0820cff301b97804310c2bfcb6c48a5711f4262aff92c381ed765add2e3df66c5f5db1ecb6b0b85f7f1697de6bd50e9e8b78f5539ad484b3df9efe957ef9f4564b027e08dcfdf0bbfbb29a45ff4dde5d13bbb900fe57b15b62afd72e829c8d1596bec16e33eb41d78fa33b2116a288ea159673e8385a5fe1bf9b295fd96b911eff2e31370a7f06bae33ffbc0ee2a8bd7faa5104695985c2b084ccefb1bd50d78b207732fd8bcabb02a1949eea6104c706ed78bd48b8cd8e8ba521554bb3a73690d0e6fa8fdd43daadcdc2", 0xea}], 0xa, &(0x7f0000000a80)=[{0x78, 0x1ff, 0x80a6, "6be90f1837114f5d48d39373aaa256b7a7292ad35a860e1c9862a1ba2efafe1256a56981677d4ee6b5b8003c2a63d9d047fe2a7b4e2725609179712c3c0d1fab7b2e10d53964d80f47aae69b6e6364c3bd944890bf609a0225be23331667a2dde0b76dedc5"}, {0xe0, 0x11f, 0x4, "0e29f67c9f3329723a53eb00514ea0be6458daddcb0d927753631a377c93c84e9b9f44d97c18badc12e8a83734cffb2bc5e145bfad290dc9ce6121c1c7d99614c2bee58fa6c42cb8824ccaf3b0bb91c9ee9c38555dc4c40e182ad46817e42cb087354c5297eff3c2ef59159ffff080d157cef4ee50e02ae63ee0c372d33f9d096e6b28be7458ee32c28e8ca1ead1c28cf9c7645189617755082fd8636935d22a46178222b76f85812d5b7a879bc1d1307a1eed8a0a5ad943d6788b85f8b1b6458dc2fc71f8dcc86ad8"}, {0x18, 0x118, 0x7, "d289d721cc577208"}, {0xa0, 0x10b, 0x0, "9d70fc779d0e5f06efba0b1da868beed20face1ca5009c81bce55b46ceb17c187277aa9026ef62c1525b3377e54b1b28279736b46c83fd13b66d99f311dea6ba8ad7f846b14fb910ed1a5cfa8d4477bd0f45889eb1cd7c658ff485b9e4e255367f6df6754bc3bd4a78b1661efbc4e99f725e86cfec74acf129e78da16304a92d473bd9d97b38159cbd91dfb5"}, {0x38, 0x11f, 0x5e7a, "2abf0d7873f5df46dff175c1088c518dfb527e986664c39c65c24b9b83928e4236"}, {0xa0, 0x6, 0x7fffffff, "21ba0c5e4bbd4a80ae812b8723c1fa64e89f88d81ef3db3543d7e864e8f8cdd6389fe7471574bd8c4e3bb776379ad3c3cc0cfc1fca15118a443ff3c5aa73bdd6da92cff847d6d0dbfbb9cf0b11b8015da66234487bc245fb3c9231bd602e967fcf3c01af5018f967582d62906219c59b22a332a2609a424e8829b02599bf0a3262e8c804e6170b939a"}, {0xe8, 0x113, 0x2, "f0431d04d758126a46c1e4e4e3086cd53c27d2a8f54e22a458ac83b23f5113c62f2d24bb653ea688f90a4060ad4277874b05bbdf87f955cd512dde534c19505a2e5125604dc9484b282054645a40f705524403707ebba181beaea701b23c9a9ea0134ce1e1255c921d46e930b5fb57155c7cde6ea129926f1d3c51af3c366e4d6a9493970fe16fa1441be03860f9546971e0a713e12b166ebe2744ac6aa116d5a956b23e3231e43d6e7904c43cbd948f98f6e62f669aebbb95fcf482d6260cacbc1510caf9874b803bfc678b3f9d1e7892af66684d505516"}], 0x3d0, 0x40000}, 0x10) 2018/04/01 11:59:39 executing program 0: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) [ 170.420753] syz-executor2[12710] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 170.421571] EXT4-fs (sda1): re-mounted. Opts: (null) [ 170.451165] EXT4-fs (sda1): re-mounted. Opts: (null) [ 170.482255] FAULT_INJECTION: forcing a failure. [ 170.482255] name failslab, interval 1, probability 0, space 0, times 0 [ 170.493576] CPU: 0 PID: 12720 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 170.500849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.510205] Call Trace: [ 170.512800] dump_stack+0x194/0x24d [ 170.516430] ? arch_local_irq_restore+0x53/0x53 [ 170.521099] ? __save_stack_trace+0x7e/0xd0 [ 170.525433] should_fail+0x8c0/0xa40 2018/04/01 11:59:39 executing program 0: socketpair(0xf, 0x3, 0x8, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_REFRESH(r0, 0x2402, 0x1) socketpair$packet(0x11, 0x3, 0x300, &(0x7f00000000c0)) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x10) 2018/04/01 11:59:39 executing program 5: mkdir(&(0x7f0000000100)='./file0/', 0xfffffffffffffffc) socketpair(0x13, 0x8000a, 0xffffffff00000001, &(0x7f0000000000)={0xffffffffffffffff}) recvmsg$kcm(r0, &(0x7f0000001680)={&(0x7f0000000040)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @remote}}}, 0x80, &(0x7f0000001600)=[{&(0x7f0000000140)=""/179, 0xb3}, {&(0x7f0000000200)=""/102, 0x66}, {&(0x7f0000000280)=""/4096, 0x1000}, {&(0x7f0000001280)=""/224, 0xe0}, {&(0x7f0000001380)=""/184, 0xb8}, {&(0x7f0000001440)=""/243, 0xf3}, {&(0x7f0000001540)=""/172, 0xac}], 0x7, &(0x7f00000000c0)=""/42, 0x2a, 0x7f}, 0x40) 2018/04/01 11:59:39 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffff9c}) recvmsg$kcm(r0, &(0x7f0000000340)={&(0x7f00000000c0)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, 0x80, &(0x7f0000000240)=[{&(0x7f0000000180)=""/131, 0x83}], 0x1, &(0x7f0000000280)=""/166, 0xa6, 0xff}, 0x10000) mount(&(0x7f0000000380)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000003c0)="8b8bb58fb402c8797a44f8809d4558f40d1a783f947618659e07613eceab6a821c199d727dd62ec11cad9bf66c4d3ebf8cb7a3810ea81b945387fde7ee7d161a8508ee32e219366b546eea2e58b49e1763e7ea70785941da9a461924d0e3ff6980af602562ba14cbdf28a414eb8bc19c01cf0b44b8674ceb9d") [ 170.529149] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 170.534286] ? kasan_kmalloc+0xad/0xe0 [ 170.538198] ? kmem_cache_alloc_trace+0x136/0x740 [ 170.543049] ? __memcg_init_list_lru_node+0x169/0x270 [ 170.548246] ? __list_lru_init+0x544/0x750 [ 170.552485] ? sget_userns+0x691/0xe40 [ 170.556376] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 170.561135] ? do_mount+0xea4/0x2bb0 [ 170.564848] ? SyS_mount+0xab/0x120 [ 170.568482] ? do_syscall_64+0x281/0x940 [ 170.572550] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 170.577923] ? find_held_lock+0x35/0x1d0 2018/04/01 11:59:39 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair$inet6(0xa, 0x5, 0xe86, &(0x7f0000001680)={0xffffffffffffffff}) sendmsg(r0, &(0x7f0000001900)={0x0, 0x0, &(0x7f00000018c0)=[{&(0x7f00000016c0)="f3ff2ea2fadbabe425b0623f93c5724adb3689d4d45cb0f5f53e18e7b15b591125d3e25ad89058c316bad2fe7f882d4002ad0046a519267640579690795200de54a937dc3d2b219c232890397a1558a902041ab81b63645eeee2d87ed1fa467b61c4dc93fbb2401260736e007c2026d60b8628efd64957ce88a3e60a5d34f2e6ebe6491df8c617b30f6db0940a868b066f457c873a116eab1d554d7d1775715561c647ad44cfd971f85f3ff164c40f215a7a3addd6cca009c046f5d37d5ad13dc1929bf8ced51eec5d34d9e777af9a53eb47907b80039d0656e33ae02ea8c95463b66a549e7e7b1b344f52e1f820fe", 0xef}, {&(0x7f00000017c0)="f48b2379a4c22c029c168b51a0491253736eddbfcfe31ef6a5c929334ad1b3fefd03c7f840f595b21bc5d85e05a55258ddd90d7b63d7644b589f82f560d2e6251c6f7d2b8981904099192f16f7d5d42aedb8db9c9e389ac9bba4acd6473b4718f51d65257b0acbdacd876299381cc957f839f15e769ee8035091a6be982ae9398972bd11b030ce46cd14f5d8346b8bf015e1d58d831d92597b69058fbc3ac583020535f33364a3f7a000c748b122cc86d5856aa9d63b527a5dddb395746e2a2e47a73d2e9bf8642e2ba6047b3e0f56c4262bd504f222fb71b22f", 0xda}], 0x2, 0x0, 0x0, 0x8000}, 0x4) 2018/04/01 11:59:39 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0/', 0x0, 0x18}, 0x10) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000100)={&(0x7f0000000000)='./file0/', r0}, 0x10) [ 170.581989] ? __lock_is_held+0xb6/0x140 [ 170.586061] ? check_same_owner+0x320/0x320 [ 170.590397] ? rcu_note_context_switch+0x710/0x710 [ 170.597423] should_failslab+0xec/0x120 [ 170.601411] kmem_cache_alloc_trace+0x4b/0x740 [ 170.606002] ? __kmalloc_node+0x33/0x70 [ 170.609985] ? __kmalloc_node+0x33/0x70 [ 170.613969] ? rcu_read_lock_sched_held+0x108/0x120 [ 170.619000] __memcg_init_list_lru_node+0x169/0x270 [ 170.624024] ? list_lru_add+0x7c0/0x7c0 [ 170.628006] ? __kmalloc_node+0x47/0x70 [ 170.631996] __list_lru_init+0x544/0x750 [ 170.636073] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 170.641970] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 170.646994] ? __lockdep_init_map+0xe4/0x650 [ 170.651411] ? lockdep_init_map+0x9/0x10 [ 170.655479] sget_userns+0x691/0xe40 [ 170.659194] ? kernfs_sop_show_path+0x190/0x190 [ 170.663868] ? kernfs_sop_show_options+0x180/0x180 [ 170.668801] ? destroy_unused_super.part.6+0xd0/0xd0 [ 170.673917] ? check_same_owner+0x320/0x320 [ 170.678246] ? rcu_pm_notify+0xc0/0xc0 [ 170.682145] ? rcu_read_lock_sched_held+0x108/0x120 [ 170.687157] ? kmem_cache_alloc_trace+0x459/0x740 [ 170.691995] ? lock_downgrade+0x980/0x980 [ 170.696157] kernfs_mount_ns+0x13d/0x8b0 [ 170.700226] ? kernfs_super_ns+0x70/0x70 [ 170.704296] sysfs_mount+0xc2/0x1c0 [ 170.707930] ? sysfs_kill_sb+0x40/0x40 [ 170.711807] ? alloc_pages_current+0xbe/0x1e0 [ 170.716302] ? security_sb_copy_data+0x81/0xb0 [ 170.720875] mount_fs+0x66/0x2d0 [ 170.724223] vfs_kern_mount.part.26+0xc6/0x4a0 [ 170.728786] ? may_umount+0xa0/0xa0 [ 170.732403] ? _raw_read_unlock+0x22/0x30 [ 170.736548] ? __get_fs_type+0x8a/0xc0 [ 170.740416] do_mount+0xea4/0x2bb0 [ 170.743940] ? copy_mount_string+0x40/0x40 [ 170.748163] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 170.753173] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 170.757916] ? retint_kernel+0x10/0x10 [ 170.761808] ? copy_mount_options+0x18b/0x2e0 [ 170.766296] ? copy_mount_options+0x193/0x2e0 [ 170.770783] ? copy_mount_options+0x1f7/0x2e0 [ 170.775288] SyS_mount+0xab/0x120 [ 170.778719] ? copy_mnt_ns+0xb30/0xb30 [ 170.782591] do_syscall_64+0x281/0x940 [ 170.786458] ? vmalloc_sync_all+0x30/0x30 [ 170.790596] ? _raw_spin_unlock_irq+0x27/0x70 [ 170.795083] ? finish_task_switch+0x1c1/0x7e0 [ 170.799572] ? syscall_return_slowpath+0x550/0x550 [ 170.804482] ? syscall_return_slowpath+0x2ac/0x550 [ 170.809396] ? prepare_exit_to_usermode+0x350/0x350 [ 170.814400] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 170.819745] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 170.824570] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 170.829758] RIP: 0033:0x454e79 [ 170.832926] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 170.840617] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 170.847875] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 170.855148] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 170.862399] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 170.869651] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000012 [ 170.930707] syz-executor2[12755] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 170.933436] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:40 executing program 5: mkdir(&(0x7f0000000000)='./file0/', 0x144) mkdir(&(0x7f0000000040)='./file0/', 0x8) 2018/04/01 11:59:40 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000200)={&(0x7f0000000080)=@hci, 0x80, &(0x7f0000000100), 0x0, &(0x7f0000000140)=""/169, 0xa9, 0x5}, 0x10121) mkdir(&(0x7f0000000000)='./file0\x00', 0x48) 2018/04/01 11:59:40 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f00000002c0)) socketpair(0x4, 0x80005, 0xffff, &(0x7f0000000000)={0xffffffffffffffff}) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f00000001c0)={r0, &(0x7f00000000c0)="a84bc3bc39c68fbedf7502d47a2353de22a7c5acc9c4b30ad289ede28c22f267770d3ee9d4566fd1ff621c16534d4cf4277260c3db1e1ac986eca20f53fab23e7c131505f345883577084d939f944bd5d61413a8a4c85287c2a03c4a6da833b9f678aa54d306f28caced967e336b7f803f80f34d00133951a469e1a98b1deace01cb3e143613d25aff29991e8c5b9cf0a48dac09375faaa1e3f39beff24f4353b1ff071d9a43172eb2a9fa84652b4fb3b19d2c415e28afbcf603680a055252b50b7830225f8badcabb", &(0x7f0000000040)=""/57}, 0x18) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x0, 0xe5, 0x95, &(0x7f0000000300)="64ab4333173f28d43a9037a0c72027778f50cb5e3571fc029caf15c33004cad633782d91eb98836c209555dd62f259df894d80d89953bcd244f4627cd561760607fa601680a0b58648a3089fa0f5d0f95ced9eab30a0ec78eaca5a02fbed215faa003617918e09f2ee129ccdba33feb400ac0ffd6bc9a57df71c385cca4791b00c150fc28f69fcf94b61fc2c5be9606b09e9ab954b143d1d4a22499405ceb3d0d83e0a85e6e8b4f3806c202b248d4724ee2e183e3d9bcd8fb999624d60749f33070216f44f731a16b55883a2e0ca04e47aad70bcb0c89b31ce498ced79eb3eb6ce33536a35", &(0x7f0000000200)=""/149, 0x7f, 0x5}, 0x28) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000540)={r0, &(0x7f0000000400)="0eb57b7f808a85b743bead779f837f6afa9dc24bbeb3c675ccb1cfae7e5af05f6c5f35ba392af0942157652c7c933bc9dcc5083e8c5666aa4901850f566d07dac1fbfdbea581c41bcde042a48dcbb015c97bbe7eee754dc1e968500aafb587ddc18d01848645a6d3a2a0c4f34030f87bfb9fad0e9a8d82f581e1d39a3ad5580780c3bd9376aee3788e1d839f9fe1e5268efa9b829502", &(0x7f00000004c0)="b15c6470589fe500b159316b6c05c1e999603245bc820d7024e87d56c5e019d9e09af26f9381261f69157d9bf67bacddd2e7a365cdad0af229c727f6a83e6161f8a6d30c2d03d875e7bd90906844", 0x2}, 0x20) 2018/04/01 11:59:40 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r1, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:40 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x50) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:40 executing program 4 (fault-call:1 fault-nth:19): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:40 executing program 7: mkdir(&(0x7f0000000100)='./file0\x00', 0x2) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000280)='./file0\x00', &(0x7f00000001c0)='hfs\x00', 0x150000, &(0x7f0000000180)="d51c62535163d367dadf") mkdir(&(0x7f0000000200)='./file0\x00', 0x8010000000000) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) socketpair$packet(0x11, 0x2, 0x300, &(0x7f0000000240)={0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000540)={&(0x7f00000002c0)=@ll, 0x80, &(0x7f0000000440)=[{&(0x7f0000000340)=""/229, 0xe5}, {&(0x7f00000000c0)=""/35, 0x23}], 0x2, &(0x7f0000000480)=""/143, 0x8f, 0x7}, 0x2002) socketpair(0x11, 0x3, 0x7, &(0x7f0000000580)={0xffffffffffffffff}) recvmsg$kcm(r1, &(0x7f0000000700)={&(0x7f00000005c0)=@can, 0x80, &(0x7f00000006c0)=[{&(0x7f0000000640)=""/118, 0x76}], 0x1, 0x0, 0x0, 0x2}, 0x1) 2018/04/01 11:59:40 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) recvmsg(0xffffffffffffff9c, &(0x7f0000003340)={&(0x7f00000031c0)=@hci={0x0, 0x0}, 0x80, &(0x7f00000032c0)=[{&(0x7f0000003240)=""/73, 0x49}], 0x1, &(0x7f0000003300)=""/22, 0x16, 0x3}, 0x2103) bpf$PROG_LOAD(0x5, &(0x7f0000003380)={0xf, 0x4, &(0x7f0000000380)=@raw=[@alu={0x7, 0x7, 0x2, 0x0, 0x7, 0x50}, @jmp={0x5, 0x758d, 0x0, 0x7, 0x8, 0xfffffff8, 0xfffffffffffffffc}], &(0x7f00000003c0)='syzkaller\x00', 0x0, 0x1000, &(0x7f0000000440)=""/4096, 0x41100, 0x1, [], r0}, 0x48) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000001540)='selinuxfs\x00', 0x1000, &(0x7f0000001580)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000001440)=ANY=[@ANYBLOB="85cc7ee2ad4235c4947a000000000000950000000000000076511b6053819f2d2b055877cde9dee4cb0b05a08efaa3117423cccede91ca33364c19029018d565bcc735f9203d03c607f2292f3ad72083607f5d5f5674311105c7c82503f6fc2e3adad069b79c80bb2dce866c3b458daebd54d8123d831ab27a04a95db7493020fddfa8717869562b1ed4cbf6508a4d86fb18fe139d91068f4e4d937fa8aed92599b78c78d9e9b838f602deddb17d"], &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000001500)) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) socketpair(0x9, 0xf, 0x3e60, &(0x7f0000000140)={0xffffffffffffffff}) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000200)={&(0x7f0000000000)='./file0\x00', r1}, 0x10) 2018/04/01 11:59:40 executing program 5: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000040)={0xffffffff, 0x2, 0x18}, 0xc) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000080)={&(0x7f0000000000)='./file0/', r0}, 0x10) mkdir(&(0x7f00000000c0)='./file0/', 0x0) [ 170.978957] syz-executor2[12768] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 171.514682] FAULT_INJECTION: forcing a failure. [ 171.514682] name failslab, interval 1, probability 0, space 0, times 0 [ 171.536984] CPU: 0 PID: 12776 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 171.544259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.553696] Call Trace: [ 171.556287] dump_stack+0x194/0x24d [ 171.559922] ? arch_local_irq_restore+0x53/0x53 2018/04/01 11:59:40 executing program 1: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:40 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000100)) mkdir(&(0x7f0000000080)='./file1\x00', 0x171) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000140)={&(0x7f0000000000)='./file0\x00'}, 0x10) [ 171.564593] ? __save_stack_trace+0x7e/0xd0 [ 171.568925] should_fail+0x8c0/0xa40 [ 171.572656] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 171.577762] ? kasan_kmalloc+0xad/0xe0 [ 171.581656] ? kmem_cache_alloc_trace+0x136/0x740 [ 171.586502] ? __memcg_init_list_lru_node+0x169/0x270 [ 171.591690] ? __list_lru_init+0x544/0x750 [ 171.595927] ? sget_userns+0x691/0xe40 [ 171.599813] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 171.604564] ? do_mount+0xea4/0x2bb0 [ 171.608278] ? SyS_mount+0xab/0x120 2018/04/01 11:59:40 executing program 1: socketpair(0x2, 0xe, 0x3, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_RESET(r0, 0x2403, 0x3) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) [ 171.611914] ? do_syscall_64+0x281/0x940 [ 171.616269] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 171.621658] ? find_held_lock+0x35/0x1d0 [ 171.625738] ? __lock_is_held+0xb6/0x140 [ 171.629810] ? check_same_owner+0x320/0x320 [ 171.634135] ? rcu_note_context_switch+0x710/0x710 [ 171.639069] should_failslab+0xec/0x120 [ 171.643134] kmem_cache_alloc_trace+0x4b/0x740 [ 171.647727] ? __kmalloc_node+0x33/0x70 [ 171.651716] ? __kmalloc_node+0x33/0x70 [ 171.655692] ? rcu_read_lock_sched_held+0x108/0x120 2018/04/01 11:59:40 executing program 0: mkdir(&(0x7f0000000440)='./file0\x00', 0x14) socketpair(0x2, 0x6, 0x8000, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000300)={0x0, r0, 0x7, 0x3}, 0x14) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg(r1, &(0x7f0000000280)={&(0x7f0000000040)=@vsock={0x28, 0x0, 0x2711, @hyper}, 0x80, &(0x7f0000000240)=[{&(0x7f00000000c0)="bf82cc71044ba5bfcfa3cfaf8d66d92d36791a3b654329760c075375179ccf1b5b11714ba7a94205b534580612957d32d0a97cbcf61cbd2f19a6b280b0e824a7707b7bbce71be294a4d1ef9abeb09b668da4a19787e50e070d757b4a2682ef52ce903f329eda363ef3c79cb25cfbb77842e937fab928b4493b47d0", 0x7b}, {&(0x7f0000000140)="fed14e8efabae02857ea00e66502eb4c18c9be4384b74eefcaa1643e4c661063f6be71e672c92a45f3ceb33b8479377eb5fbda68c22cfd3fa68e3c886faa5c2f0bd8534803f3fbf8f9b536e015636f5c0a849866f8f392f605a2880ac2044074973a0de5f138a369a955e7dff3219f1fb9c4df51c712b1e2f47250fe63ced0bf2be94a6edb58e940be4b24a7c19d1b20769dc2a6dd87700cbe3a3ee670378f227c6a9893d643cb82469b09abbca026e79d68657c3df879", 0xb7}, {&(0x7f0000000200)="64618ec961406b9dad016841f10a302de5ce6209cfca0f6bd28e228868c76215a57b3ad9a7412e7b70f92ccbb7498876d2b91f2c93168f39ea87", 0x3a}], 0x3, &(0x7f00000004c0)=[{0xd8, 0x108, 0x400, "f8246422fb8a65c1b354927eaccdfe68d8c4a960a8de3430cf2c220eb3d8bd1e2b724fddf7b2c501442b2280a37f38ebba20949e93adac6bfdf61635dbc3cf9f77ef1a4c87141994834c574ecd053541ab6a74b5f054fa71c08b995d342f50b5201709d947684a7daf5af701fa64c696ad1ae7e788deea5f2bcc1fee7c3de847c0d16f5e91123b95d41d3adf7777b760d5694307f5e10a89a5ea71198fbb5b3ab49a8846f7e29eb97e957ed6f168f1422991ee75fdc25b51f5b2fd9ab46982e8ea3ba3e68e7dcb"}, {0x30, 0x119, 0xe6, "3aeaee9d61bbfc36cae656b41ae79110eefa6c1308d4741e098935a707"}, {0x58, 0x10f, 0x7670000000000, "9989329e467aeb11e75d81e95e442bf50e9eb880827ee36e38302c7ee78c803524db64c6501264d0f3fd4e976eba9200f47f8f3aab0f4b3997fceea5bbdb0cef25ddc54b87a2"}, {0x18, 0x119, 0x1, "8482cd"}, {0x48, 0x100, 0x8, "13f9f86f70d17d525cc071ff5f207c687edf5a8e919658151f139843680ac7bd541f015ab1b324dd2ede07a367b4bc9e429a3a32"}, {0xa0, 0x10e, 0x3, "d3a7c33928b146faf1d9033fdbca867dff1865bf4c01813a8ad8a45b07a040da31dc887c3676dfaea12c04a7dd91f1bb54883badc98d6af83f5fbf76c6cfe33044f3baa150ed9975242aace98563bed4e506cd52dd8e6f985f072b4d47bbe45699abb2129f3d7eb612896428bb979b619a89471ac5d084910321d8aadb7adb499ded870c469336ffa9e9"}, {0x30, 0x10f, 0xfff, "a2bd8da3c7dcf58d9eaa9b3e7c13dfb4beccabc917b07dc86b662b"}, {0x1010, 0x10e, 0x81, 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0x2340, 0x4008080}, 0x0) 2018/04/01 11:59:40 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) [ 171.660717] __memcg_init_list_lru_node+0x169/0x270 [ 171.665745] ? list_lru_add+0x7c0/0x7c0 [ 171.669724] ? __kmalloc_node+0x47/0x70 [ 171.673880] __list_lru_init+0x544/0x750 [ 171.677951] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 171.683973] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 171.685724] EXT4-fs (sda1): re-mounted. Opts: (null) [ 171.688987] ? __lockdep_init_map+0xe4/0x650 [ 171.688997] ? lockdep_init_map+0x9/0x10 [ 171.689012] sget_userns+0x691/0xe40 [ 171.706513] ? kernfs_sop_show_path+0x190/0x190 [ 171.711184] ? kernfs_sop_show_options+0x180/0x180 [ 171.716254] ? destroy_unused_super.part.6+0xd0/0xd0 [ 171.721366] ? check_same_owner+0x320/0x320 [ 171.725694] ? rcu_pm_notify+0xc0/0xc0 [ 171.729595] ? rcu_read_lock_sched_held+0x108/0x120 [ 171.734638] ? kmem_cache_alloc_trace+0x459/0x740 [ 171.739484] ? lock_downgrade+0x980/0x980 [ 171.741482] EXT4-fs (sda1): re-mounted. Opts: (null) [ 171.743727] kernfs_mount_ns+0x13d/0x8b0 [ 171.743740] ? kernfs_super_ns+0x70/0x70 2018/04/01 11:59:40 executing program 0: mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='bdev\x00', 0x800000, &(0x7f00000000c0)="a1b27a127044002f7c6f14996dc0ac56279f593adc84af1944855f61e8f5f3fde0d0fd13716d5609578670a7d6fe6010e69f49f04a3868de3c24e9260125b02355676ed728a9018ad18ef64fe3cdf07664a1cef3ad5bd85eb4dbcf9d7043dc104e520b03045841e4f5bff6d49ce4eb0dfa691ca984b04c890b70f910bbdf3b52be9eb4d54bd1e9d9f6ccaccce1c986de2d03ec2782ce1431a9afd3b0382a") mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:40 executing program 1: socket$kcm(0x29, 0x5, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000a80)={0xffffffffffffff9c}) socketpair(0xe, 0x805, 0x6, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000240)={r1, &(0x7f0000000140)="2275da3c7285348edb4bca5bf7255d8f65a37c9c8ca0ce59f2c971aaacbd7eeab7ded48ef282faa14146998c237db21ca6c42167dcdedd8d15c36cae06309c7171953dd8bd08f19c47ddd00940d5332023aa6bb4a2c61cd27fba8b4d42879f57b12a9a9a", &(0x7f00000001c0)="30ea0b2a5778d60c8a64282368d26fce6e875733304a60894c44420b30fcd7a35bf6e9b073dfcc8853a35f02ba198c0e0a3653a8106c5ee692efe70aa62daa0100432efaf14c34e55678cb9fbc38c43b987f00ce9eaf1b7e47cf18807d321c3f", 0x3}, 0x20) r2 = socket$kcm(0x29, 0x5, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={&(0x7f0000000ac0)=@sco={0x1f, {0x6, 0x0, 0x11d6, 0x2, 0x7f}}, 0x80, &(0x7f0000001080)=[{&(0x7f0000000b40)="72469f8b12ec6f90a51709f955e1530847121745e54731eef57e091591b3248fc4a678685545312bdb2b60642620028ec995bfd1a9d429932e3fe412005fdec9901e8e61348ac38066b5da08d0d8455b3b806d70f17d7b827cb3c73d0ec5643ef7f6329fd7d17939f54f1b007cb8208570bec68b87efce8a094b0d4b993552fae9bc4b54782a054da14cba2fe581fb539d108983921211", 0x97}, {&(0x7f0000000c00)="8f96d042c50dcb4d81eb790d0ddc05b6d0401db7c7ae898cee1bc839ce0956e94685df644a5ce9e8b2d1c9aa89c00cc12123ed9e1d7b58da060d91902ff96783fd22c5dd8216c16b64f9bab988c50e0286c8b0e073abe7b3b860a1b6100334c40f2a1c7d47572e4a225da4d4a3634555b8943371", 0x74}, {&(0x7f0000000c80)="6cc0aa88502a35fc00b871f2ed3c10940d38bc7e8d831cf36ffc111af22d9633e413ae62cd88095fc13ef95f0fd975bb2114f65d48d6b6ee4756fcd6553a3286be140f88cd86c59cf59fad122263366ff7f45b2c432d77fda29ee47a682c59d11f29360addad046d673ca5b7ff2e", 0x6e}, {&(0x7f0000000d00)="eae6996f4c492355ee66537ca87b940b09948cef816cd1379097fdb32d776b653bd21211ead78986cd0c01eb4883f267a22808768d604d3d483a244ea72f8f47807af44e15a460a016d55e6aad03c43317fdb207651228ff594486dd28", 0x5d}, {&(0x7f0000000d80)="8a22756d48295c3ab6a6de41033b46ce598e94820472bc7fb6db6615ac9ff0bb05b3060a7be40649109a56bddb7cc1d6b3e74b1560600bcc2dbfae345d5a9b590e", 0x41}, {&(0x7f0000000e00)="094c65be78510b97716aea1734a0098efc780127aa04322bc7414a20e126aba998c0e61f1681e410662fe9e9c1f0185bacb2f4bb1c567a59436b66fa513b7f14f563911598dde1dae7de0018e1408588a780bc07d4f066f7e316a54458b93646493898a743c43e1010ce4b2d6e996feb467738dc67b2b723f017fd0e306f14da6dd24abded3fa7821578", 0x8a}, {&(0x7f0000000ec0)="2b32a24a98764fe2cebb25a4de7b243ed20e681fe029fcfe1f13c8cf29f2d8b17b9c921aaf4749ff61abf48eff63b74f507f62fc7eae5b0322b283ec579811a879d85a643a7a1377dd262fb4eb1e02f0160e76455c318dfeaa9b7ff3341f03893641e518516665ccb91ada44e07ee83de3f9a1866891b83a12dabf4fde2dc5de987bd3ed0c1f0ed023720bc5203779ec9efc50ea01a86070849853d90aec9edcfdcbd964093977f7224b", 0xaa}, {&(0x7f0000000f80)="3a83af3140f03b3bb85186981e62ab32ee76dd5969befb299c468ec611999553cdd41b11acef7841073403d9fb43ec7811d6443c783ccce4a816c0a106040238701fa7c1e990ae66498f4defcbaf09b3f945512f94ef8423633b581059e2de559437db6c192227fe76dba3c6e0705a091f47a87d10f2379f29bed6006c864f6d8729218d0e65832b89fb906c545011470ba8df4c5a5a14efec001a2d3ab34a809f840f7c0db5aa6d7625529dfdab33319f34a1f558b9377fbcea92da3cf2d5a341db4e92d0b7bcd966670bc56ccff038af8e82ad70faf7548ecea3e13a6c1e452d07170768baf04035367b4986c9504dc85b7e", 0xf3}], 0x8, &(0x7f00000004c0)=ANY=[@ANYBLOB="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"], 0x1e8, 0x4000000}, 0x800) r3 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x8}, 0x10) ioctl$sock_kcm_SIOCKCMATTACH(r2, 0x89e0, &(0x7f00000000c0)={r2, r3}) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:40 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x4) r0 = socket$kcm(0x29, 0x5, 0x0) sendmsg(r0, &(0x7f0000000300)={&(0x7f0000000000)=@alg={0x26, 'rng\x00', 0x0, 0x0, 'drbg_nopr_ctr_aes256\x00'}, 0x80, &(0x7f0000000200)=[{&(0x7f0000000100)="7adda05a25d1a18ea1cd0e342a3553dbaeaddcf0d0ef0adba3ef6eae59d89d2b2225a2141bddec15021f5bc0ab9e57bd8d3e544abf49224ba3b54a01e88c1c5dc81c487cfba0bbac01afefe23e96dc741c644028b22984280e13cfddfabdaf8f9668713947532d008a519b3c4f474d2915edf043c04232be30240d63570b8e896320ee2ff19d7cb8a43de649ded94703a18f326045bee7d351ea1d7732b84077f5f915cb3b14f8857d83963e4d688d31f427ace7c1704312bf34dfeae2100d6351d8cf2e352c4a0e90573767134a41156b20ce5edbd5d9ef48", 0xd9}, {&(0x7f0000000080)="74b7ecc59e2da2d3fecf6c2c9a0fd5cffbb4dfa249e28a53da9f5af1ccf824284ec4198e9d", 0x25}], 0x2, &(0x7f0000000240)=[{0xc0, 0x10f, 0x2, "5553ea72b3f969b21d0a92ec176bf6387bc6f99a46d7c52a5962c8ed531f3df426ed920457902e0530bec2a3863ced1a26085d4d4a781acdc14e573fd619eef8888de3a5793e1503d0262656d7ea425d9c73900991d26b57fad0c157a90b340c2664b40bd477c8fe6d7e02047c7496ad0276578b7ac1531beeed22f17efd2dcf1fca2446d9ac496f16641a3adc5e26d9d5de36d274e0949cc0882bcabcec7ce8cfeae4d90ee7edbd5ec9"}], 0xc0, 0x40}, 0x800) [ 171.743754] sysfs_mount+0xc2/0x1c0 [ 171.743763] ? sysfs_kill_sb+0x40/0x40 [ 171.743774] ? alloc_pages_current+0xbe/0x1e0 [ 171.743788] ? security_sb_copy_data+0x81/0xb0 [ 171.743802] mount_fs+0x66/0x2d0 [ 171.788571] vfs_kern_mount.part.26+0xc6/0x4a0 [ 171.793161] ? may_umount+0xa0/0xa0 [ 171.796792] ? _raw_read_unlock+0x22/0x30 [ 171.800944] ? __get_fs_type+0x8a/0xc0 [ 171.804838] do_mount+0xea4/0x2bb0 [ 171.808386] ? copy_mount_string+0x40/0x40 2018/04/01 11:59:40 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000140)={0xffffffffffffff9c}) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMUNATTACH(r0, 0x89e1, &(0x7f00000026c0)={r1}) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 171.812628] ? rcu_pm_notify+0xc0/0xc0 [ 171.816524] ? copy_mount_options+0x5f/0x2e0 [ 171.820932] ? rcu_read_lock_sched_held+0x108/0x120 [ 171.825949] ? kmem_cache_alloc_trace+0x459/0x740 [ 171.830791] ? kasan_check_write+0x14/0x20 [ 171.835025] ? _copy_from_user+0x99/0x110 [ 171.839176] ? copy_mount_options+0x1f7/0x2e0 [ 171.843674] SyS_mount+0xab/0x120 [ 171.847125] ? copy_mnt_ns+0xb30/0xb30 [ 171.851013] do_syscall_64+0x281/0x940 [ 171.854904] ? vmalloc_sync_all+0x30/0x30 [ 171.859048] ? _raw_spin_unlock_irq+0x27/0x70 [ 171.863540] ? finish_task_switch+0x1c1/0x7e0 [ 171.868038] ? syscall_return_slowpath+0x550/0x550 [ 171.872971] ? syscall_return_slowpath+0x2ac/0x550 [ 171.877905] ? prepare_exit_to_usermode+0x350/0x350 [ 171.882921] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 171.888285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 171.893136] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 171.898321] RIP: 0033:0x454e79 [ 171.901508] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 171.909218] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 171.916488] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 171.923754] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 171.931024] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 171.939205] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000013 2018/04/01 11:59:40 executing program 7: socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg(r0, &(0x7f0000000440)={&(0x7f00000000c0)=@generic={0xe, "8ab9ec1d3cb09700ccf95ff78c2fb5d94849fc1ed75121cc839b7e9d95ad036a883c59b397756d7ebbd22d1017b6abca0e47a1c46b14a5e51709d25ff9238719460e41999fb1a2af82d102358d1e613fd100f71e1293579478595cc364287d6728df10e3af1d394c882d825fe152df135f34089210cede3adb515c531f2c"}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000180)="323bac70b5eb4b67d75825188b68391ceca50ed1de76c8850341fa31df973b1122a1ffd0a29cf3381aa8cbd5335a4399b103cadbe0fc66b9ee573c15f3d03177c1c8acba713421b84cecce21505d0cb48cf4b649da2105fdd4158d15d7e97f214e082bcfc2f64b65fb4e49c5b151a11e73b5c24659ef8b8070f877a6472ef35512c3da06ac6c17bfadb3e1aa4ea82d3c61e7ae39ea4b8e6c19381e8444d337e8f16490715e4f08bb", 0xa8}, {&(0x7f0000000240)="98239e9b354da272c40705609cd770704473fea11b4368887b5eb12dcab6fb083bdfa983ac7c01230c78c855b79b0db192de4fbb630fdc45af855e7ff5f28bc8dbeddf119f16118553eeb30a2173753020dbbe08f878fd3c6ad1de7a49bcf86bfac57b31060ff1603e94aca85bee92f2e0c092f0bc5566527979fab988f4f4454bcf4e42ea8c75f508d9b0ee9a1743822734539bbc5c9f24f9d134aec67f0e6b951ed8f9f499fadf0b1da892f64707b443d4", 0xb2}, {&(0x7f0000000300)="d80b450dd555bd4b97fc43a23ccbb8537859ce8a75d0bc390713e5caa182a483e763dc910ee52b5398181406b5fbe423c98467eaa8a32a1773a6ec378b1f4632afd0c7411405a8ce0351a0c8e62550e160b96df53d028135e1b07d30a82d9a06c3d7fb6a8b708e7a020a86c772bbb48cee8cd976b44a3019e76f7d2d165096670e66691e60bd0fc821b0fb043dc2942904ac0bfa1c00a62b029171295e88f04a9adb6fc51cc95c31c5f4a18547d78689173f1ac2a77e76c392528f57641d4c957715518affef365c2a2cf1c780ff22d2c1bd4c85640dd18f32e251b8aa", 0xdd}], 0x3, &(0x7f00000004c0)=[{0x110, 0x0, 0x1, "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"}, {0xa0, 0x100, 0x4, "85eccc7c4ff047572f3570ebf8bb7e22820be0f92dcf021342f92b8284d62706f3b4669387123cfc6964e28cc080ed5fbff9a660162accd96d557ac5e08a0e235f4d80da8f03a70b0508c7b5a3e3e5f3709844bcbc5f79a19da8111bf2066ff4a2c0ae956a58314dacce93d775d68e71b9555e2c4999d3473abdab107aa4fa9610872ad039376a8139"}, {0x78, 0x113, 0x8, "9f02c89ba2dc38f8320f79b8f952deb32b48ecf857a8782beec5ccae7e1d97a8956bb0611d00190befd603cf3fd963f6847fea4f9eeeb032606433eb37e603e7fd92a7daa35c9d2d028ffdd7a1aed2672fa6f67ce1527293b0f7bb711bcd75ae5f7b97981b12"}, {0x48, 0x6, 0x7fff, "ec981ffbb1ee8f57f3e709b695d320c83b426cbaa389f52911713f9305ac994bfabbd44e79d7d54bbadae8f3739b6bc9b71e87"}], 0x270, 0x20000811}, 0x10) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:40 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x1) 2018/04/01 11:59:40 executing program 4 (fault-call:1 fault-nth:20): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:40 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) bpf$OBJ_GET_MAP(0x7, &(0x7f0000001c00)={&(0x7f0000000000)='./file0\x00', 0x0, 0x13}, 0x10) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r1, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:40 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair(0x10, 0x8000a, 0x1, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000180)={&(0x7f0000000040)='./file0/', r0}, 0x10) bpf$BPF_MAP_GET_NEXT_ID(0xc, &(0x7f0000000000)=0x20, 0x4) 2018/04/01 11:59:40 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:40 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:40 executing program 2: ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000000)={0xffffffffffffff9c}) sendmsg$kcm(r0, &(0x7f0000001b00)={&(0x7f00000003c0)=@un=@abs={0x0, 0x0, 0x4e24}, 0x80, &(0x7f0000001800)=[{&(0x7f0000000140)}, {&(0x7f0000000440)="0d0990dafe5155b645af240923ea493b7945d9384a1c7ef53e9ded3c140c8950efca04c9b1a46568b7990ce76db310da96d40d77c895c663ffe51b9ea0484eee8d9312085bae7bc45c8077d83e", 0x4d}, {&(0x7f0000000300)="b4725fad7774eb10cc789cbab5ded73025abf8fd7b93601bb7e5bfc92922fafdbf530ac3b815", 0x26}, {&(0x7f00000004c0)="09b371b000b1b2e7f85c3c145a227e522ad2963fe589c393b6a1b6544b0a5da08e0354d798f21907828b5c11835eba58ae7ab3b9b90e16e91fba5961f0b80317da6abbfca2f8adb0f7f08c639fadffe10540d0ef4b6876a4935b679fa5df7663aa6c25ee6a15efef6c9dd1e7cf1437c2bc8fd5d7f694b178b8757ce580", 0x7d}, {&(0x7f0000000540)="601049e9125466e3cfce0d7ab405eb899164ec5b913a83300693e12419841f4a1b6620c6e9ff2f9a3b4f60c2ca6c489484780b00f076a36cb70117d61f69c5b24036bb0abef76673f2921de907afed1ab126b7808448caa6a0c5bc7772f7d467b41b535624894d627ff593042ae1adc004135d90712072a60c2a46e9fbc48386894af2bce04c8aa2575c16c83cd4bddca0a30daa6ddf3b8c8351aff8bcd088f005be661823eda3de9ba5f324d006c60f07fe46", 0xb3}, {&(0x7f0000000600)="f895d2c278faf4b23ca132854fff050140b52615fcbc4b60f03f069796821894223cb03a28d0da449b95afddbfb6bdefda4d9bc8b04a01ebd950127de8c9074befcb529744af96222f135e7bbd35a38fff2e9e49d7666fc2b8d721595bf676d0cfc4da75475ad2371b1b4796c406c9a2bbc0c8a1b14fa8a131b843aba217d53fe7dff800", 0x84}, {&(0x7f00000006c0)="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0x1000}, {&(0x7f00000016c0)="d3f4f9a350c7f3bd597d83c557a1dfa611e98ba7d50bf02dc80ecd14c9c3b272f769595c61f5af556238509f7ac01a4d4aa659820cc2cbd21537692844c45ecfaf25df6330847bbd87cb5b71fb82", 0x4e}, {&(0x7f0000001740)="f3830da42025ace88e1bac908cc9d3c75b3d17cd347bcfba7cb2f0bfbc170205f564670217363a013f19832b673a00f61dd03683913a7f8e393cbcff85a01e47137311870f2989f92e0f0f5969f87aaa09e1b77ab7f04c2ea35c80c60670e9c769363c4837dd87d168528307f4ddf9a691c5f6b1cf27d3a253f3673586163535f9d994796bd5101aa800dac510ef939031d8184a078ca44d42f733fcad45463b8025af87ec4d96428730ea16368895f13c62f28ef7b7ae9c8a280c91", 0xbc}], 0x9, &(0x7f00000018c0)=[{0x20, 0x0, 0x1f, "123047fbf89eb3041377ba7442e04c"}, {0x100, 0x1, 0x0, "953bab186d9ad92e889b854e24ee037e8286c467a69dbcfb58f265993cf47e29c451dec63e0dc44c6b23666b9cbedb5efd4006b3808925613f0bd1f2cfda6a260061555db2539bcab28b44f86ac687b9fc9a524ba448c7dba5f4bf67ad9509363aacfea2c4fb35405ddace762fe7ab4864ffed700f76f757c5f963fd529f1464cec178624e5b177e8417a2fe2d960ade8977021b46d0cba400276ae3e6e574ab1b152bad793ffcf134fb68b5cf1ecc47ef5bc583265c3ed86be4906d83d3f50e0da71c518a0deba15bc49b78703aa7c12e48711a5864759a1330ffd5fa4cf4b292230480f51a87026570fc61cac7a2ab"}, {0x100, 0x119, 0x1, "68602522d4d738130470de5a1a9c03cbf82288219561744e72db8c837ad241ab5ded64190a850721a6f4dfe83e0eea048bc7732368a2a6bafb6642d0317b084a42cfc4eaa51611a4ae52332f53d494a442d2d47f5cc24b0d07b5d31b51050512b8112e137ea61417775efe45ce3983c67c442e159ddc831d8283019cced55114ebda2f55091f121cf804130456862cd01afa517c9bf5f43108d8ca6e44d4b901328b6e458b8e38564710e5272b8fa4e3dc0244e19ea7652d077938ad348008d317324059766bef0c208b4ee8c54e89e82edcd6c5885e0d9db9b0472222ca0c6237a4defd777f4ea22acdc71d1b"}], 0x220, 0x4040040}, 0x24048800) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000200)={&(0x7f0000000380)='./file0\x00'}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 171.979344] syz-executor2[12834] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 171.987436] EXT4-fs (sda1): re-mounted. Opts: (null) [ 172.021483] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:40 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000000)) bpf$MAP_CREATE(0x0, &(0x7f0000000080)={0x7, 0x70000000, 0x2, 0x2, 0x1, 0xffffffffffffffff, 0x80}, 0x2c) 2018/04/01 11:59:40 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) mount(&(0x7f0000000000)='./file0/', &(0x7f0000000040)='./file0/', &(0x7f0000000080)='v7\x00', 0x8400, &(0x7f0000000100)="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") recvmsg(0xffffffffffffff9c, &(0x7f0000006100)={&(0x7f0000002b00)=@hci={0x0, 0x0}, 0x80, &(0x7f0000005fc0)=[{&(0x7f0000002b80)=""/4096, 0x1000}, {&(0x7f0000003b80)=""/118, 0x76}, {&(0x7f0000003c00)=""/254, 0xfe}, {&(0x7f0000003d00)=""/12, 0xc}, {&(0x7f0000003d40)=""/176, 0xb0}, {&(0x7f0000003e00)=""/4096, 0x1000}, {&(0x7f0000004e00)=""/99, 0x63}, {&(0x7f0000004e80)=""/4096, 0x1000}, {&(0x7f0000005e80)=""/52, 0x34}, {&(0x7f0000005ec0)=""/194, 0xc2}], 0xa, &(0x7f0000006080)=""/96, 0x60, 0x5}, 0x10001) bpf$PROG_LOAD(0x5, &(0x7f0000006140)={0x3, 0x9, &(0x7f0000002a00)=@framed={{0x18, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x7fffffff}, [@alu={0x7, 0xd000000000000000, 0x8, 0x9, 0x1, 0xffffffff, 0x4}, @initr0={0x18, 0x0, 0x0, 0x0, 0x95, 0x0, 0x0, 0x0, 0x3b5}, @call={0x85, 0x0, 0x0, 0x3b}], {0x95}}, &(0x7f0000002a80)='GPL\x00', 0x2, 0x4, &(0x7f0000002ac0)=""/4, 0x41f00, 0x0, [], r0}, 0x48) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000008a80)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r1, &(0x7f0000001680)={0x0, 0x0, &(0x7f00000015c0)=[{&(0x7f0000001140)="70db49c67361189bcaa8dcfcc2d9d45c3debdf2f082deba66cf3675a5b6e5bf18007021df446a2f8d868a9c0b89be7737ccc91869ca54a1fc9c5b191808c0b84a21a645c520b447afa68aa411a47e2e7772596e1558384ac0ca5a7bfe117e71d9d1a476616d0d5e76414a7b1c87f2b1ef5f118a0179184462e3d5154e56fa87a3ec8d7d1c367933f392ea00f7dddba430cf5e4340f292c62de0910473a3e1b96", 0xa0}, {&(0x7f0000001200)="004bb0333094e73efb41203ce05041be75f9ae27fb7c53fcc4044232b04c64265f45e8971437be0f16db688fc42ef0e12d8dcef590d9bb3ab5062ef8f6c59fadc12a5ffc2baf8c4fdac0570317cd2ac5c38b99349e5d77e20cd066f37292f04801d3152410ad957c9a6ba49477a1b056f41b3efc4458d3c553a3ba9f2f6990e247655b8d82de8b7e011cd659fccfbdd19a142ef4ae45824d818b1bffcc48ec6ae9df51cad7b5b16fdb6efd99d13ad2b2093a731507ce010aac88922e14bd33b19c42821205b82af4a5e51ecafeba5317df1c8c23fd6df8d244bdb7cf270e1dc0d7fddcf2dcbf3e184f25ef280546568b59", 0xf1}, {&(0x7f0000001300)="b440b1f134481527a449e3c37c83467851f00f0d224cf6eb14d7d3e8913bded33d0fedb16f43a4357332849c2a1b3c400c86c00690d1547285ea6691d22159d18be4aca8de77b0dac235f26ca2a8155d3a098be9da1a0b649552b05074a880cb7e02624491acd21e4ee5cd176f11c27677f9a0fd72793dacbe138ae2b1a3a0a00c9488482611042cfe504b673a5d449a6385691f3f1dabb7f413571ccbda57fb337580dea5af89c60e28c52de2ae29a1b2e96434f43ece308c3881db56339d1e8e6058f2a4309b993f3a41161b797d9b8cb1d177de066f61668b51a912e1a56f6e", 0xe1}, {&(0x7f0000001400)="ac924f01547abb7ec25635d3622e1cd6d6a293fc589e43a3daaf4773a22611a684f0aad0b2fbaca760bae8ab7b252e3b1a9c76625d0a8cc108595ed8cafcfefcb5b5e22e0ed23275ee2ff752afa824740158200c2361912775b4ca32cec452b4fd58e4b6c31b00282e69a3e4c064ca1edb", 0x71}, {&(0x7f0000001480)="f58e950642e850d6b83e8a9de795fa21554a802ca0a250c058b3fc13eaa040d2cc0eff9f278c8c68c0ea72f44c9dc177bb6f5c0a77b141f68b37b44453975e017a94f02d412c94c72c3a2a3c40a3d4454ca3adbab304ddf6395327e202d0b865068ddddb528af06d485e4010604741c5a5c1a21f29c9dc2a49c12f3bf6d58c0fd43011e1ea980b36b879dfe58597ca81c10e91d01c34f1773c32f14c43f0adaf255a5049794f5c6a63c711739e24572eaefb25e72f0dc38f993e79dcc315605fa76a83367e5a6af55bc183f42f45c625089171c7bf72a49be1eacfb528f15b9a01f90c8d858dcd4c8376ad161d47", 0xee}, {&(0x7f0000001580)="d8db4b6fafe84cb2a724aa8491cd4d7ed4dfc96157b4", 0x16}], 0x6, &(0x7f0000001640), 0x0, 0x4004000}, 0x4) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000001640)={r2}) mount(&(0x7f0000008680)='./file0/', &(0x7f00000086c0)='./file0/', &(0x7f0000008700)='ramfs\x00', 0x100851, &(0x7f0000008740)="0a8280535d789f4627e5fe90a276e2f5b55122e17b6c552a65402603ec6d5552f736dccc801a7b68df18113e4ae6e69171a4974f8e85417189a888dcb76b99e90cbe5da807890a8a18ef0e04bfe260a4dd18ba34b23e2fe3e862dfe5a9eae5743e537073ea5787f676e406de4731bfc2bf04993f84b28f79e80a5d33e868114b269a9ae3f4aed1362d4be8b5c6a26d8b866b80ce2b41dad90398354de879da") recvmsg$kcm(r3, &(0x7f00000029c0)={&(0x7f00000016c0)=@in={0x0, 0x0, @rand_addr}, 0x80, &(0x7f0000002880)=[{&(0x7f0000001740)=""/46, 0x2e}, {&(0x7f0000001780)=""/4096, 0x1000}, {&(0x7f0000002780)=""/233, 0xe9}], 0x3, &(0x7f00000028c0)=""/227, 0xe3}, 0x40010000) [ 172.053387] FAULT_INJECTION: forcing a failure. [ 172.053387] name failslab, interval 1, probability 0, space 0, times 0 [ 172.064784] CPU: 1 PID: 12842 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 172.072057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.081413] Call Trace: [ 172.084009] dump_stack+0x194/0x24d [ 172.087639] ? arch_local_irq_restore+0x53/0x53 [ 172.092311] ? __save_stack_trace+0x7e/0xd0 [ 172.096640] should_fail+0x8c0/0xa40 [ 172.100358] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 172.105637] ? kasan_kmalloc+0xad/0xe0 [ 172.109528] ? kmem_cache_alloc_trace+0x136/0x740 [ 172.114372] ? __memcg_init_list_lru_node+0x169/0x270 [ 172.119563] ? __list_lru_init+0x544/0x750 [ 172.123809] ? sget_userns+0x691/0xe40 [ 172.127707] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 172.132741] ? do_mount+0xea4/0x2bb0 [ 172.136456] ? SyS_mount+0xab/0x120 [ 172.140094] ? do_syscall_64+0x281/0x940 [ 172.144165] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 172.149542] ? find_held_lock+0x35/0x1d0 [ 172.153610] ? __lock_is_held+0xb6/0x140 [ 172.157684] ? check_same_owner+0x320/0x320 [ 172.162017] ? rcu_note_context_switch+0x710/0x710 [ 172.166954] should_failslab+0xec/0x120 [ 172.170937] kmem_cache_alloc_trace+0x4b/0x740 [ 172.175524] ? __kmalloc_node+0x33/0x70 [ 172.179512] ? __kmalloc_node+0x33/0x70 [ 172.183497] ? rcu_read_lock_sched_held+0x108/0x120 [ 172.188609] __memcg_init_list_lru_node+0x169/0x270 [ 172.193630] ? list_lru_add+0x7c0/0x7c0 [ 172.197607] ? __kmalloc_node+0x47/0x70 [ 172.201590] __list_lru_init+0x544/0x750 [ 172.205656] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 172.211547] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 172.216573] ? __lockdep_init_map+0xe4/0x650 [ 172.220985] ? lockdep_init_map+0x9/0x10 [ 172.225141] sget_userns+0x691/0xe40 [ 172.228859] ? kernfs_sop_show_path+0x190/0x190 [ 172.233539] ? kernfs_sop_show_options+0x180/0x180 [ 172.238475] ? destroy_unused_super.part.6+0xd0/0xd0 [ 172.243591] ? check_same_owner+0x320/0x320 [ 172.247925] ? rcu_pm_notify+0xc0/0xc0 [ 172.251827] ? rcu_read_lock_sched_held+0x108/0x120 [ 172.258094] ? kmem_cache_alloc_trace+0x459/0x740 [ 172.262961] ? lock_downgrade+0x980/0x980 [ 172.267127] kernfs_mount_ns+0x13d/0x8b0 [ 172.271193] ? kernfs_super_ns+0x70/0x70 [ 172.275273] sysfs_mount+0xc2/0x1c0 [ 172.278906] ? sysfs_kill_sb+0x40/0x40 [ 172.282799] ? alloc_pages_current+0xbe/0x1e0 [ 172.287305] ? security_sb_copy_data+0x81/0xb0 [ 172.291890] mount_fs+0x66/0x2d0 [ 172.295274] vfs_kern_mount.part.26+0xc6/0x4a0 [ 172.299852] ? may_umount+0xa0/0xa0 [ 172.303509] ? _raw_read_unlock+0x22/0x30 [ 172.307739] ? __get_fs_type+0x8a/0xc0 [ 172.311624] do_mount+0xea4/0x2bb0 [ 172.315166] ? copy_mount_string+0x40/0x40 [ 172.319404] ? rcu_pm_notify+0xc0/0xc0 [ 172.323297] ? copy_mount_options+0x5f/0x2e0 [ 172.327709] ? rcu_read_lock_sched_held+0x108/0x120 [ 172.332725] ? kmem_cache_alloc_trace+0x459/0x740 [ 172.337572] ? copy_mount_options+0x1f7/0x2e0 [ 172.342153] SyS_mount+0xab/0x120 [ 172.345692] ? copy_mnt_ns+0xb30/0xb30 [ 172.349583] do_syscall_64+0x281/0x940 [ 172.353472] ? vmalloc_sync_all+0x30/0x30 [ 172.357624] ? _raw_spin_unlock_irq+0x27/0x70 [ 172.362121] ? finish_task_switch+0x1c1/0x7e0 [ 172.366618] ? syscall_return_slowpath+0x550/0x550 [ 172.371552] ? syscall_return_slowpath+0x2ac/0x550 [ 172.376485] ? prepare_exit_to_usermode+0x350/0x350 [ 172.381506] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 172.386874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 172.391728] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 172.396914] RIP: 0033:0x454e79 sendmsg$kcm(r1, &(0x7f0000008640)={0x0, 0x0, &(0x7f0000007340)=[{&(0x7f00000061c0)="71d1534a0b4fa34061ba405cee7bb48b4fdbc2a0afb19384edc0da426f771eef4a5e2fc054ce36510882771d30cf8b70c2129c3356aac73c3058c986bc1f259981231d44614b082b4f61ec11ffdf9c9841442830de3cbb37eb1d7aef096ad168f8f01cda976d1f253053c125da054183f106edb75b2ce23b3c3520059d72420ccceab98ce8af052b4b213c132a2a0d96015ae80511bfcb40296767499983f59936802a5c9d56b4a47dcf4a7ceece6e4cde43d0f8b57e9baa50e21e61252d01c289ddeb", 0xc3}, {&(0x7f00000062c0)="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0x1000}, {&(0x7f00000072c0)}, {&(0x7f0000007300)="d18e61d18eb4e090cc65e1a1f0cd95e58c3a9692c4d27734e8dd4915ed8ddd625f78ac17567f67b7c9c06e6b7a44", 0x2e}], 0x4, &(0x7f0000007380)=[{0xb8, 0x113, 0xead, "7b2986a519beed26a97737bb595d7a52dc20e18bcc090afb90ed2a627177e1f37e7c012f47a037f37d8401d67d4748b85b491344c28ffc1afaecdf50b3f5c71f94b4a00c0934d6d85cdd01db6449bcbacda2f3e7fe310d98a4b678301fbcf5f63faf084ee4eaf3decaee193b1cd566f784ffe437dc458c3e485fd1a4c3e04be140d617750f7e7739658833fad2287f2effad5788256d0b95b712a30a33446c369fc1941750"}, {0x110, 0x1ff, 0x6, "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"}, {0x40, 0x29, 0x7, "095cae0f28700c76a3c4dee204d0adb5ce87be14ec7ba70fe12fab939f2b877596336dcf87005c7a75fbd930db60"}, {0x30, 0x115, 0xfffffffffffffff8, "f727d0d39ba6a5affb51585b2d0493f68c86dfe4ad521a67cd"}, {0x1010, 0x29, 0x5, "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"}, {0x40, 0x1, 0x6, "9947655fa472bb3a184e19a2e1a6cfe0a6899b48da466beb6315b2f87274d815550dfdfedd2ea979d45eb7281f"}], 0x1288, 0x20008080}, 0x24000040) bpf$PROG_LOAD(0x5, &(0x7f00000088c0)={0xe, 0x8, &(0x7f0000008800)=@raw=[@ldst={0x0, 0x3, 0x3, 0x8, 0xa, 0x18, 0xfffffffffffffff0}, @exit={0x95}, @alu={0x7, 0xffffffffffffffa8, 0xd, 0x9, 0x0, 0xfffffff0}, @exit={0x95}], &(0x7f0000008840)='GPL\x00', 0x8, 0x0, &(0x7f0000008880), 0x40f00, 0x1, [], r0}, 0x48) socketpair$inet6_sctp(0xa, 0x0, 0x84, &(0x7f00000072c0)) 2018/04/01 11:59:40 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000002000)={&(0x7f0000001bc0)=@can={0x0, 0x0}, 0x80, &(0x7f0000001ec0)=[{&(0x7f0000001c40)=""/17, 0x11}, {&(0x7f0000001c80)=""/228, 0xe4}, {&(0x7f0000001d80)=""/240, 0xf0}, {&(0x7f0000001e80)=""/62, 0x3e}], 0x4, &(0x7f0000001f00)=""/233, 0xe9, 0x6}, 0x1) bpf$PROG_LOAD(0x5, &(0x7f0000002040)={0xe, 0x6, &(0x7f0000000000)=@raw=[@ldst={0x3, 0x0, 0x3, 0x7, 0x2, 0xffffffff, 0xfffffffffffffffc}, @initr0={0x18, 0x0, 0x0, 0x0, 0x46, 0x0, 0x0, 0x0, 0x7}, @alu={0x7, 0x7, 0xf, 0x7, 0x0, 0xfffffffa, 0xfffffffffffffff0}], &(0x7f0000000040)='syzkaller\x00', 0x2, 0x7f, &(0x7f0000000080)=""/127, 0x41000, 0x1, [], r0}, 0x48) 2018/04/01 11:59:41 executing program 6: socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f00000002c0)) 2018/04/01 11:59:41 executing program 0: socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000400)={0x6, 0x14, &(0x7f00000002c0)=@raw=[@generic={0x5, 0x9, 0x4, 0x4}, @jmp={0x5, 0x2, 0x2, 0x8, 0x7, 0x50, 0xfffffffffffffff0}, @alu={0x0, 0x401, 0x0, 0xa, 0x7, 0xffffffff}, @jmp={0x5, 0x6bb42701, 0x3, 0xf, 0x2, 0xfffffffc}, @generic={0x98e, 0x7, 0x4, 0x7fff}, @alu={0x7, 0x9, 0xa, 0x4, 0x7, 0xfffffff0, 0xfffffffffffffffc}, @initr0={0x18, 0x0, 0x0, 0x0, 0x80000001, 0x0, 0x0, 0x0, 0x66aa}, @alu={0x7, 0x200000000000, 0x8, 0x7, 0x0, 0x50, 0x1}, @jmp={0x5, 0x5, 0xe, 0x3, 0xa, 0x0, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0x36}], &(0x7f0000000380)='GPL\x00', 0xed, 0x3, &(0x7f00000003c0)=""/3, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r0, 0x1, 0x32, &(0x7f00000004c0)=r1, 0x4) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000080)={0xffffffffffffffff}) r3 = bpf$PROG_LOAD(0x5, &(0x7f00000001c0)={0x1, 0x6, &(0x7f00000000c0)=@raw=[@exit={0x95}, @jmp={0x5, 0x23d6, 0x3, 0x8, 0xe, 0x4, 0x5}, @generic={0x3f, 0x7ff, 0xff, 0x1}], &(0x7f0000000100)='syzkaller\x00', 0x400, 0x49, &(0x7f0000000140)=""/73, 0x41f00, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000240)=r3, 0x4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x10}, 0x10) 2018/04/01 11:59:41 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x7fe) 2018/04/01 11:59:41 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000280)) 2018/04/01 11:59:41 executing program 7: socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000280)=[{&(0x7f0000000180)="a0826e095ff39fe313f7a184e29a496778d1a34fe3bfaf958e2065f1ccec3e31e0424e5cb015e3c6b2a5b095f6246f0adc587a836d0ac9ebb73e9eb2edb472866279bb6c7f55e4a64c8652cf287a3a14af0e88bd73350302e656dc7af28a735301264e9763adbca87aa682448dbc844f9263c7feb8c2242ca4147d96244c85cd0a9e7f1746dd4e61e49e5081ad6f98e8063448e9eb364f54ba100f70d7f900ef2f2b34ff71a9f02138797891f7bc16d2b900e895b1f86f23f9333382722dc0871fde2ec6186e664499f8711646639cc1099c1a7656fc50986692b9a21ddc080b63a8221a14203a5b9681b716", 0xec}, {&(0x7f0000000080)="5c0dd6d82ef7f2d7a5249febf6da3824d43bf825cce5c64ae09abd10629db35021f198ce762a8ceaf5f9da71f3a0fc806f1d9e584e25816c584b624521dbb6ef09005cc7674191a8108c6fcb6338536663f00632d02ca0c2ce52fbadc17362", 0x5f}], 0x2, 0x0, 0x0, 0x10}, 0x4000) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000140)) socketpair(0x7, 0x807, 0xffffffffffffffe1, &(0x7f00000002c0)={0xffffffffffffffff}) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$kcm(r1, &(0x7f0000000440)={&(0x7f0000000300)=@nfc={0x27, 0x1, 0x1, 0x6}, 0x80, &(0x7f00000006c0)=[{&(0x7f0000000380)="ab229b3248762682fbff06a9358a846e457ea3609561c667793e785c91122ff548eb817f268afb707fe45ae93a5043aee6", 0x31}, {&(0x7f00000003c0)}, {&(0x7f00000004c0)="8c4ea966a64618af4f98bb4b0f5f2c2a45b623281e895058bf0376999f058d6b918b55b3697f5a74dd989a4b29d35692d613921a1eac93efe323b0c6a0860dc69ddb050ab44488059a4c61d5939afd3405dabb6b5c166e0f8fe59c932c8df76b850ba879191390dd2dfaba5164a68511f6946dade40215214f466151cc6e58fa103b96131fb9edf03fc464ea5ee3f922148547a545670d7b8b58ef7868c81dd729df053b65b678f0046a223caa45c4a484bbd2b2d76f9579b6839e23325cb4f1a265c36812313a4c00bbf448d038755d711fab0a4fb128459f54e0f861c67f18", 0xe0}, {&(0x7f00000005c0)="bfc6b7bb6623d6272d806171a9d0890486160fa8d18ddfbffe881f60580d974350cfab2df4bc828a015af65dfbff779dd5d436df7d823189989cccb70176c4231dc22ae625f335f8fba9a919be87bd6f3e81fb5578b11c55c48810f582d4b06dbc2885ce0eb0f0fd2fa09ca4554c9f01d28a8a9f9427f34a7ec139c786351a08c2b8fd03f0126c2d129f222a6499195773d8200f8f722f9f8e6b481f17a0df6c43cc287c9b3134e0abff45098a9e3409fac900b8d9e9a22d53bcde46ecafb8e7a510e087d4c71f154e198ad907b0dcd5795036218bc76adb406ef7842eb8181f269c69f6f697ed", 0xe7}, {&(0x7f0000000400)="2ff8869d3402d4e67a5af8ac72ea695b2c154dc374b84a", 0x17}], 0x5, 0x0, 0x0, 0x4880}, 0x8000) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000740)) socketpair$packet(0x11, 0x2001, 0x300, &(0x7f0000000000)) mkdir(&(0x7f0000000100)='./file0\x00', 0x90) close(r2) 2018/04/01 11:59:41 executing program 6: r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x8}, 0x342) socket$kcm(0x29, 0x5, 0x0) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000180)={r0, &(0x7f00000000c0)="479c950296e3ac82920438a50779f840dbd0abb51e09173662d5124bfd9fbe7dfb9184937e8ddc71a7e2d388040b613c5a1d1e1629abf4e776834fdfbf9e2a775283d9d33c066acecb5ef2f135085a5ec1d553c6793bfe90032d3a913ebae342a8a15dfdce65bdfbe5a94670d077b85e99edf8e3e6bdb430b4d80367460e32dc2a4d29c05975676bed921d3c6ae218876c1e928c79e5b16a00c8d2eaae0d3824868e3eea4e7f28d63a8b3b350768146ed7f8f9d6e9bf6a"}, 0x10) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000240)) 2018/04/01 11:59:41 executing program 6: gettid() 2018/04/01 11:59:41 executing program 4 (fault-call:1 fault-nth:21): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) [ 172.400097] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 172.407802] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 172.415074] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 172.422341] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 172.429610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 172.436879] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000014 [ 172.523571] syz-executor2[12905] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 172.541525] FAULT_INJECTION: forcing a failure. [ 172.541525] name failslab, interval 1, probability 0, space 0, times 0 [ 172.564017] CPU: 0 PID: 12906 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 172.571296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.580655] Call Trace: [ 172.583255] dump_stack+0x194/0x24d [ 172.586896] ? arch_local_irq_restore+0x53/0x53 [ 172.589619] EXT4-fs (sda1): re-mounted. Opts: (null) [ 172.591574] ? mutex_lock_io_nested+0x1900/0x1900 [ 172.591589] ? __memcg_init_list_lru_node+0x169/0x270 [ 172.591605] should_fail+0x8c0/0xa40 [ 172.591616] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 172.600628] syz-executor2[12911] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 172.601556] ? trace_hardirqs_off+0x10/0x10 [ 172.601568] ? lock_downgrade+0x980/0x980 [ 172.601580] ? trace_hardirqs_off+0x10/0x10 [ 172.601593] ? find_held_lock+0x35/0x1d0 [ 172.643231] ? __lock_is_held+0xb6/0x140 [ 172.647276] ? check_same_owner+0x320/0x320 [ 172.651579] ? rcu_note_context_switch+0x710/0x710 [ 172.656485] ? rcu_note_context_switch+0x710/0x710 [ 172.661397] should_failslab+0xec/0x120 [ 172.665357] __kmalloc+0x63/0x760 [ 172.668789] ? __kmalloc_node+0x47/0x70 [ 172.672741] ? __list_lru_init+0xcf/0x750 [ 172.676865] __list_lru_init+0xcf/0x750 [ 172.680818] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 172.686681] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 172.691676] ? lockdep_init_map+0x9/0x10 [ 172.695716] sget_userns+0x6b1/0xe40 [ 172.699427] ? kernfs_sop_show_path+0x190/0x190 [ 172.704078] ? kernfs_sop_show_options+0x180/0x180 [ 172.708985] ? destroy_unused_super.part.6+0xd0/0xd0 [ 172.714080] ? check_same_owner+0x320/0x320 [ 172.718403] ? rcu_pm_notify+0xc0/0xc0 [ 172.722296] ? rcu_read_lock_sched_held+0x108/0x120 [ 172.727297] ? kmem_cache_alloc_trace+0x459/0x740 [ 172.732126] ? lock_downgrade+0x980/0x980 [ 172.736261] kernfs_mount_ns+0x13d/0x8b0 [ 172.740303] ? kernfs_super_ns+0x70/0x70 [ 172.744343] sysfs_mount+0xc2/0x1c0 [ 172.747946] ? sysfs_kill_sb+0x40/0x40 [ 172.751814] ? alloc_pages_current+0xbe/0x1e0 [ 172.756289] ? security_sb_copy_data+0x81/0xb0 [ 172.760846] mount_fs+0x66/0x2d0 [ 172.764191] vfs_kern_mount.part.26+0xc6/0x4a0 [ 172.768772] ? may_umount+0xa0/0xa0 [ 172.772378] ? _raw_read_unlock+0x22/0x30 [ 172.776507] ? __get_fs_type+0x8a/0xc0 [ 172.780379] do_mount+0xea4/0x2bb0 [ 172.783905] ? copy_mount_string+0x40/0x40 [ 172.788119] ? rcu_pm_notify+0xc0/0xc0 [ 172.791985] ? copy_mount_options+0x5f/0x2e0 [ 172.796375] ? rcu_read_lock_sched_held+0x108/0x120 [ 172.801375] ? kmem_cache_alloc_trace+0x459/0x740 [ 172.806196] ? kasan_check_write+0x14/0x20 [ 172.810407] ? _copy_from_user+0x99/0x110 [ 172.814535] ? copy_mount_options+0x1f7/0x2e0 [ 172.819023] SyS_mount+0xab/0x120 [ 172.822458] ? copy_mnt_ns+0xb30/0xb30 [ 172.826323] do_syscall_64+0x281/0x940 [ 172.830188] ? vmalloc_sync_all+0x30/0x30 [ 172.834316] ? _raw_spin_unlock_irq+0x27/0x70 [ 172.838794] ? finish_task_switch+0x1c1/0x7e0 [ 172.843269] ? syscall_return_slowpath+0x550/0x550 [ 172.848177] ? syscall_return_slowpath+0x2ac/0x550 [ 172.853089] ? prepare_exit_to_usermode+0x350/0x350 [ 172.858086] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 172.863429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 172.868263] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 172.873431] RIP: 0033:0x454e79 [ 172.876606] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 172.884304] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 2018/04/01 11:59:41 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0x5, 0x805, 0x4, &(0x7f0000000000)={0xffffffffffffffff}) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x0, 0x1000, 0x6, &(0x7f00000004c0)="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", &(0x7f0000000040)=""/6, 0x7, 0x2}, 0x28) 2018/04/01 11:59:41 executing program 5: r0 = socket$kcm(0x29, 0x7, 0x0) recvmsg$kcm(r0, &(0x7f00000013c0)={&(0x7f0000000000)=@pppol2tpv3in6, 0x80, &(0x7f0000001300)=[{&(0x7f0000000100)=""/79, 0x4f}, {&(0x7f0000000180)=""/99, 0x63}, {&(0x7f0000000200)=""/128, 0x80}, {&(0x7f0000000280)=""/119, 0x77}, {&(0x7f0000000080)=""/35, 0x23}, {&(0x7f0000000300)=""/4096, 0x1000}], 0x6, &(0x7f0000001380)=""/41, 0x29, 0x4}, 0x40002041) mkdir(&(0x7f00000000c0)='./file0/', 0xfffffffffffffffe) 2018/04/01 11:59:41 executing program 0: mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000500)='devtmpfs\x00', 0x20000, &(0x7f00000002c0)="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") r0 = socket$kcm(0x29, 0x0, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000180)={0xffffffffffffffff}) r2 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000200)={&(0x7f00000001c0)='./file0\x00', 0x0, 0x18}, 0x10) ioctl$sock_kcm_SIOCKCMATTACH(r0, 0x89e0, &(0x7f0000000240)={r1, r2}) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='pipefs\x00', 0x800050, &(0x7f0000000140)="9cb21bdcaaebee4b7a3aaf0b72c9c6d345b43d0f6f751cf08ed3c8832374b22ce057ce1ff6914f5a1a15a4e7f0b5f2c5d0ce904a102fb5157ef778") 2018/04/01 11:59:41 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f00000001c0)=0x2) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r1, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:41 executing program 2: mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000380)={&(0x7f0000000200)='./file0\x00'}, 0x10) r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="8500000024000000257a91fa0b7799b15ad79d9a4f5609003cb6f8ffff01000000010000000000007a5f8c21f72554c81ebbe509230b7872172c73"], &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000140)={&(0x7f0000000000)='./file0\x00', r0}, 0x10) 2018/04/01 11:59:41 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0x1b, 0xf, 0x4, &(0x7f00000000c0)={0xffffffffffffffff}) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000180)={&(0x7f0000000080)='./file0\x00', r0}, 0x69ed921e) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:41 executing program 4 (fault-call:1 fault-nth:22): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:41 executing program 6: socket$kcm(0x29, 0x7, 0x0) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) [ 172.891554] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 172.898812] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 172.906068] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 172.913333] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000015 2018/04/01 11:59:41 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) [ 172.983810] FAULT_INJECTION: forcing a failure. [ 172.983810] name failslab, interval 1, probability 0, space 0, times 0 [ 172.995133] CPU: 0 PID: 12923 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 173.002415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.011773] Call Trace: [ 173.014373] dump_stack+0x194/0x24d [ 173.018068] ? arch_local_irq_restore+0x53/0x53 [ 173.022748] ? kernel_text_address+0xd1/0xe0 [ 173.027166] ? __unwind_start+0x169/0x330 2018/04/01 11:59:41 executing program 7: mkdir(&(0x7f0000000180)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) socketpair(0x4, 0x5, 0x3, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000100)={&(0x7f00000000c0)='./file0\x00', 0x0, 0x10}, 0x10) ioctl$PERF_EVENT_IOC_SET_BPF(r1, 0x40042408, r0) 2018/04/01 11:59:41 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0xf7ff7ffffffffffe) r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f00000000c0)={&(0x7f0000000080)='./file0\x00', 0x0, 0x10}, 0x10) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000100)={&(0x7f0000000040)='./file0\x00', r0}, 0x10) [ 173.031328] should_fail+0x8c0/0xa40 [ 173.035052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 173.040252] ? save_stack+0x43/0xd0 [ 173.043886] ? kasan_kmalloc+0xad/0xe0 [ 173.047776] ? __kmalloc+0x162/0x760 [ 173.051492] ? __list_lru_init+0xcf/0x750 [ 173.055650] ? find_held_lock+0x35/0x1d0 [ 173.059891] ? __lock_is_held+0xb6/0x140 [ 173.063964] ? check_same_owner+0x320/0x320 [ 173.068293] ? rcu_note_context_switch+0x710/0x710 [ 173.073233] should_failslab+0xec/0x120 [ 173.077217] kmem_cache_alloc_node_trace+0x5a/0x760 2018/04/01 11:59:41 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:41 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) r0 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x18}, 0x10) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000100)={&(0x7f00000000c0)='./file0\x00', r0}, 0x10) [ 173.082240] ? mark_held_locks+0xaf/0x100 [ 173.086396] ? __raw_spin_lock_init+0x1c/0x100 [ 173.091008] __kmalloc_node+0x33/0x70 [ 173.094820] kvmalloc_node+0x99/0xd0 [ 173.098541] __list_lru_init+0x5d5/0x750 [ 173.102611] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 173.108506] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 173.113537] ? lockdep_init_map+0x9/0x10 [ 173.117607] sget_userns+0x6b1/0xe40 [ 173.121321] ? kernfs_sop_show_path+0x190/0x190 [ 173.125997] ? kernfs_sop_show_options+0x180/0x180 [ 173.130931] ? destroy_unused_super.part.6+0xd0/0xd0 [ 173.136039] ? check_same_owner+0x320/0x320 [ 173.140363] ? rcu_pm_notify+0xc0/0xc0 [ 173.144255] ? rcu_read_lock_sched_held+0x108/0x120 [ 173.149282] ? kmem_cache_alloc_trace+0x459/0x740 [ 173.154123] ? lock_downgrade+0x980/0x980 [ 173.158276] kernfs_mount_ns+0x13d/0x8b0 [ 173.162347] ? kernfs_super_ns+0x70/0x70 [ 173.166426] sysfs_mount+0xc2/0x1c0 [ 173.170054] ? sysfs_kill_sb+0x40/0x40 [ 173.173939] ? alloc_pages_current+0xbe/0x1e0 [ 173.178438] ? security_sb_copy_data+0x81/0xb0 [ 173.183023] mount_fs+0x66/0x2d0 [ 173.186406] vfs_kern_mount.part.26+0xc6/0x4a0 [ 173.190989] ? may_umount+0xa0/0xa0 [ 173.194618] ? _raw_read_unlock+0x22/0x30 [ 173.198765] ? __get_fs_type+0x8a/0xc0 [ 173.202659] do_mount+0xea4/0x2bb0 [ 173.206216] ? copy_mount_string+0x40/0x40 [ 173.210450] ? rcu_pm_notify+0xc0/0xc0 [ 173.214341] ? copy_mount_options+0x5f/0x2e0 [ 173.218752] ? rcu_read_lock_sched_held+0x108/0x120 [ 173.223770] ? kmem_cache_alloc_trace+0x459/0x740 [ 173.228614] ? kasan_check_write+0x14/0x20 [ 173.232848] ? _copy_from_user+0x99/0x110 [ 173.236997] ? copy_mount_options+0x1f7/0x2e0 [ 173.241510] SyS_mount+0xab/0x120 [ 173.244963] ? copy_mnt_ns+0xb30/0xb30 [ 173.248848] do_syscall_64+0x281/0x940 [ 173.252730] ? vmalloc_sync_all+0x30/0x30 [ 173.256879] ? _raw_spin_unlock_irq+0x27/0x70 [ 173.261373] ? finish_task_switch+0x1c1/0x7e0 [ 173.265875] ? syscall_return_slowpath+0x550/0x550 [ 173.270785] ? syscall_return_slowpath+0x2ac/0x550 [ 173.275692] ? prepare_exit_to_usermode+0x350/0x350 [ 173.280689] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 173.286040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 173.290887] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 173.296143] RIP: 0033:0x454e79 [ 173.299363] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 173.307049] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 173.314298] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 173.321544] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 173.328790] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 173.336040] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000016 [ 173.423632] FAULT_INJECTION: forcing a failure. [ 173.423632] name failslab, interval 1, probability 0, space 0, times 0 [ 173.434999] CPU: 1 PID: 12971 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 173.442281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.444387] syz-executor2[12980] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 173.451633] Call Trace: [ 173.451654] dump_stack+0x194/0x24d [ 173.451668] ? arch_local_irq_restore+0x53/0x53 [ 173.451681] ? kernel_text_address+0xd1/0xe0 [ 173.451696] ? __unwind_start+0x169/0x330 [ 173.482079] should_fail+0x8c0/0xa40 [ 173.485993] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 173.491135] ? save_stack+0x43/0xd0 [ 173.494767] ? kasan_kmalloc+0xad/0xe0 [ 173.498656] ? __kmalloc+0x162/0x760 [ 173.502424] ? __list_lru_init+0xcf/0x750 [ 173.506574] ? find_held_lock+0x35/0x1d0 [ 173.510631] ? __lock_is_held+0xb6/0x140 [ 173.514679] ? check_same_owner+0x320/0x320 [ 173.518986] ? rcu_note_context_switch+0x710/0x710 [ 173.523900] should_failslab+0xec/0x120 [ 173.527857] kmem_cache_alloc_node_trace+0x5a/0x760 [ 173.532852] ? mark_held_locks+0xaf/0x100 [ 173.536981] ? __raw_spin_lock_init+0x1c/0x100 [ 173.541717] __kmalloc_node+0x33/0x70 [ 173.545499] kvmalloc_node+0x99/0xd0 [ 173.549193] __list_lru_init+0x5d5/0x750 [ 173.553235] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 173.559096] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 173.564090] ? lockdep_init_map+0x9/0x10 [ 173.568130] sget_userns+0x6b1/0xe40 [ 173.571820] ? kernfs_sop_show_path+0x190/0x190 [ 173.576467] ? kernfs_sop_show_options+0x180/0x180 [ 173.581377] ? destroy_unused_super.part.6+0xd0/0xd0 [ 173.586461] ? check_same_owner+0x320/0x320 [ 173.590760] ? rcu_pm_notify+0xc0/0xc0 [ 173.594629] ? rcu_read_lock_sched_held+0x108/0x120 [ 173.599648] ? kmem_cache_alloc_trace+0x459/0x740 [ 173.604470] ? lock_downgrade+0x980/0x980 [ 173.608597] kernfs_mount_ns+0x13d/0x8b0 [ 173.612639] ? kernfs_super_ns+0x70/0x70 [ 173.616691] sysfs_mount+0xc2/0x1c0 [ 173.620295] ? sysfs_kill_sb+0x40/0x40 [ 173.625119] ? alloc_pages_current+0xbe/0x1e0 [ 173.629603] ? security_sb_copy_data+0x81/0xb0 [ 173.634165] mount_fs+0x66/0x2d0 [ 173.637512] vfs_kern_mount.part.26+0xc6/0x4a0 [ 173.642072] ? may_umount+0xa0/0xa0 [ 173.645676] ? _raw_read_unlock+0x22/0x30 [ 173.649800] ? __get_fs_type+0x8a/0xc0 [ 173.653665] do_mount+0xea4/0x2bb0 [ 173.657183] ? copy_mount_string+0x40/0x40 [ 173.661397] ? rcu_pm_notify+0xc0/0xc0 [ 173.665269] ? copy_mount_options+0x5f/0x2e0 [ 173.669653] ? rcu_read_lock_sched_held+0x108/0x120 [ 173.674647] ? kmem_cache_alloc_trace+0x459/0x740 [ 173.679473] ? copy_mount_options+0x1f7/0x2e0 [ 173.683952] SyS_mount+0xab/0x120 [ 173.687384] ? copy_mnt_ns+0xb30/0xb30 [ 173.691250] do_syscall_64+0x281/0x940 [ 173.695116] ? vmalloc_sync_all+0x30/0x30 [ 173.699251] ? _raw_spin_unlock_irq+0x27/0x70 [ 173.703737] ? finish_task_switch+0x1c1/0x7e0 [ 173.708213] ? syscall_return_slowpath+0x550/0x550 [ 173.713121] ? syscall_return_slowpath+0x2ac/0x550 [ 173.718040] ? prepare_exit_to_usermode+0x350/0x350 [ 173.723034] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 173.728376] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 173.733198] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 173.738385] RIP: 0033:0x454e79 [ 173.741550] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 173.749234] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 173.756480] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 173.763726] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 2018/04/01 11:59:42 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) recvmsg$kcm(0xffffffffffffff9c, &(0x7f00000004c0)={&(0x7f0000000100)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @dev}}}, 0x80, &(0x7f0000000340)=[{&(0x7f0000000180)=""/166, 0xa6}, {&(0x7f0000000240)=""/101, 0x65}, {&(0x7f00000002c0)=""/107, 0x6b}], 0x3, &(0x7f0000000380)=""/212, 0xd4, 0x1}, 0x40002163) recvmsg$kcm(r0, &(0x7f0000000600)={&(0x7f0000000500)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000580), 0x0, &(0x7f00000005c0)=""/9, 0x9, 0x7}, 0x63) r1 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x18}, 0x10) bpf$OBJ_PIN_PROG(0x6, &(0x7f00000000c0)={&(0x7f0000000000)='./file1\x00', r1}, 0x10) 2018/04/01 11:59:42 executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000300)={0x200000000000000b, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="18020000000000ff0000000002800000850000002700000005000000000000009500000000000000"], &(0x7f00000000c0)="00007bf056c718041899f95b1a", 0x1, 0xce, &(0x7f0000000100)=""/206}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x0, 0xe, 0x6e, &(0x7f0000000040)="7ee3785603ce89e709d68e7a47c8", &(0x7f0000000200)=""/110}, 0x28) mkdir(&(0x7f0000000480)='./file0\x00', 0x2) 2018/04/01 11:59:42 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000180)) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000000)) 2018/04/01 11:59:42 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) recvmsg(r0, &(0x7f0000001500)={&(0x7f0000000440)=@ipx, 0x80, &(0x7f00000004c0)=[{&(0x7f0000000200)=""/58, 0x3a}], 0x1, &(0x7f0000000500)=""/4096, 0x1000, 0x1ff}, 0x2000) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000000)={r1, 0x50, &(0x7f0000000380)}, 0x10) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:42 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0xfffffffffffffffe) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) recvmsg(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000300)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @dev}}}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000380)=""/24, 0x18}, {&(0x7f00000004c0)=""/216, 0xd8}, {&(0x7f00000003c0)=""/39, 0x27}, {&(0x7f00000005c0)=""/184, 0xb8}], 0x4, 0x0, 0x0, 0x21a}, 0x100) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000680)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000006c0)=0xffffffff, 0x4) r3 = perf_event_open(&(0x7f0000000780)={0x2, 0x70, 0xfffffffffffffffc, 0x50, 0xfffffffffffffffc, 0x7fff, 0x0, 0x2, 0x8000, 0xe, 0x100000001, 0x5, 0x9, 0x6, 0x9, 0x8, 0x88e4, 0xc30000000000000, 0x49, 0x4, 0x8, 0x9, 0x101, 0xf9, 0x4, 0x7ff, 0xffffffff, 0x1000, 0x80000000, 0x6630, 0x7, 0x6, 0x7, 0x103, 0x7, 0x5, 0x2fdf1afd, 0x8f8, 0x0, 0x9, 0x0, @perf_bp={&(0x7f0000000740), 0xa}, 0x28103, 0x6, 0x5, 0x6, 0x5, 0x0, 0x9}, 0xffffffffffffffff, 0x0, r2, 0x3) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r3, 0x40042409, 0x1) ioctl$sock_kcm_SIOCKCMATTACH(r0, 0x89e0, &(0x7f0000000700)={r1, r2}) r4 = socket$kcm(0x29, 0x2, 0x0) sendmsg$kcm(r4, &(0x7f0000000240)={&(0x7f0000000080)=@generic={0x7, "8bc9ce438348111c7a3ae65ffb60987de375be38b991c696419e866f605442e6a29ea9fdd32c2d6e9f61c776e75672017c3a0240cdef0db5ea266043f84408ce137619d2e818f2cbb2f3b90530ccd6d3f8be516af1cb1970707c81678f1c71620f7aef499b12a1371e4e62aadb2f72b02d570ee5f21bc8cacfd9447124b9"}, 0x80, &(0x7f0000000100)=[{&(0x7f0000000180)="15873820605efb702d1ba4018a6b358da14314b102504b64eb34c3b014138ebc232d285b58f4f767e6ff1d0bdd29642ee145503fa46ca6651136b5b3fc20c7c7004c9588948c21030ca026142b4974c8f8fac412ce5028eb3979b4d775e5e1f8c13b8c0509f70f398ee13cba3e38943a777ff8d50ae5fef828d6ed5f5a8575cf53b2a75bb44806b744e0a6ee4d1e8fbf297d1e6575e0df", 0x97}], 0x1, &(0x7f0000001900)=ANY=[@ANYBLOB="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"], 0x1420, 0x20000800}, 0x40) mkdir(&(0x7f0000000280)='./file0\x00', 0x1) socketpair$inet6(0xa, 0xa, 0x1, &(0x7f0000000800)) ioctl$sock_kcm_SIOCKCMUNATTACH(r4, 0x89e1, &(0x7f00000002c0)={r4}) 2018/04/01 11:59:42 executing program 5: mkdir(&(0x7f0000000040)='./file0/', 0x0) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000080)={&(0x7f0000000000)='./file0/', 0x0, 0x18}, 0x10) 2018/04/01 11:59:42 executing program 4 (fault-call:1 fault-nth:23): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:42 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000180)) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r1, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:42 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:42 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)) [ 173.771858] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 173.779108] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000017 2018/04/01 11:59:42 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0x11, 0x80000, 0xe1d2, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000200)={r1, &(0x7f0000000040)="185e85e9bc7c775eff1124f5fa443a77fcea3cc5cc45e99b2bacfbf2043849709441ac8d34f22c513ed612183b159bdd6b5a0cf93fd328304911cc336f4545313fb962211464c00a13c828c64be1a825a92e0b4ca816f0dfe3cd7d8f8e6545c006def97c773f71d5863c46ef325af01d1667e971ac272659a1eaa0e32dff2fdeb7c42ad0f75d0fcb7a6b2db1a39b6369208ca0c8cc4883a3b046d6c7e8eefd32d22a0ca2afa785a74eadf53393", &(0x7f0000000100)=""/205}, 0x18) r2 = gettid() perf_event_open(&(0x7f0000000280)={0x2, 0x70, 0x5273, 0x6, 0x40, 0x0, 0x0, 0x1, 0x1, 0x5, 0x0, 0x3e3, 0x7, 0x3, 0xb62e, 0x3, 0x7029, 0xe0b, 0xffffffff, 0x20, 0x6, 0x0, 0xcb, 0x0, 0x0, 0x1ff, 0x7f, 0x4, 0x7fffffff, 0x101, 0x7, 0x0, 0x2, 0x60ef, 0xffffffffffffffff, 0x3ff, 0x401, 0x400, 0x0, 0x1, 0x4, @perf_bp={&(0x7f0000000240), 0x4}, 0xa44, 0xb9, 0x5, 0x4, 0x3f, 0xaa, 0x7}, r2, 0xa, r0, 0x8) 2018/04/01 11:59:42 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)}, 0x10) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r1, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:42 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) socketpair$inet_sctp(0x2, 0x3, 0x84, &(0x7f0000001900)={0xffffffffffffffff}) recvmsg(r0, &(0x7f00000018c0)={&(0x7f0000000440)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, 0x80, &(0x7f0000001780)=[{&(0x7f00000003c0)=""/63, 0x3f}, {&(0x7f00000004c0)=""/4096, 0x1000}, {&(0x7f00000014c0)=""/101, 0x65}, {&(0x7f0000001540)=""/119, 0x77}, {&(0x7f00000015c0)=""/71, 0x47}, {&(0x7f0000001640)=""/194, 0xc2}, {&(0x7f0000001740)=""/40, 0x28}], 0x7, &(0x7f0000001800)=""/170, 0xaa, 0x4}, 0x10022) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000200)={&(0x7f0000000140)='./file0\x00', 0x0, 0x10}, 0x10) socketpair$inet6_sctp(0xa, 0x5, 0x84, &(0x7f0000000000)) 2018/04/01 11:59:42 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000000)={0xffffffffffffffff}) recvmsg(r0, &(0x7f00000015c0)={&(0x7f0000000040)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, 0x80, &(0x7f0000001440)=[{&(0x7f0000000100)=""/4096, 0x1000}, {&(0x7f0000001100)=""/177, 0xb1}, {&(0x7f00000011c0)=""/206, 0xce}, {&(0x7f00000012c0)=""/228, 0xe4}, {&(0x7f00000013c0)=""/107, 0x6b}], 0x5, &(0x7f00000014c0)=""/251, 0xfb, 0x10000}, 0x40) 2018/04/01 11:59:42 executing program 4 (fault-call:1 fault-nth:24): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:42 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:42 executing program 3: bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x4, 0x10}, 0xc) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) [ 173.790578] syz-executor2[12987] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 173.929456] syz-executor2[13011] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 174.046787] FAULT_INJECTION: forcing a failure. [ 174.046787] name failslab, interval 1, probability 0, space 0, times 0 [ 174.069211] CPU: 1 PID: 13029 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 174.076516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.085875] Call Trace: [ 174.088475] dump_stack+0x194/0x24d [ 174.092085] ? arch_local_irq_restore+0x53/0x53 [ 174.096739] should_fail+0x8c0/0xa40 [ 174.100436] ? is_bpf_text_address+0xa4/0x120 [ 174.104929] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 174.110019] ? __kernel_text_address+0xd/0x40 [ 174.114502] ? unwind_get_return_address+0x61/0xa0 [ 174.119421] ? find_held_lock+0x35/0x1d0 [ 174.123464] ? __lock_is_held+0xb6/0x140 [ 174.127508] ? check_same_owner+0x320/0x320 [ 174.131826] ? rcu_note_context_switch+0x710/0x710 [ 174.136753] should_failslab+0xec/0x120 [ 174.140725] kmem_cache_alloc_trace+0x4b/0x740 [ 174.145297] ? __kmalloc_node+0x33/0x70 [ 174.149264] ? __kmalloc_node+0x33/0x70 [ 174.153219] ? rcu_read_lock_sched_held+0x108/0x120 [ 174.158230] __memcg_init_list_lru_node+0x169/0x270 [ 174.163266] ? list_lru_add+0x7c0/0x7c0 [ 174.167247] ? __kmalloc_node+0x47/0x70 [ 174.171215] __list_lru_init+0x544/0x750 [ 174.175268] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 174.181149] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 174.186180] ? lockdep_init_map+0x9/0x10 [ 174.190318] sget_userns+0x6b1/0xe40 [ 174.194022] ? kernfs_sop_show_path+0x190/0x190 [ 174.198685] ? kernfs_sop_show_options+0x180/0x180 [ 174.203598] ? destroy_unused_super.part.6+0xd0/0xd0 [ 174.208682] ? check_same_owner+0x320/0x320 [ 174.212986] ? rcu_pm_notify+0xc0/0xc0 [ 174.216860] ? rcu_read_lock_sched_held+0x108/0x120 [ 174.221861] ? kmem_cache_alloc_trace+0x459/0x740 [ 174.226682] ? lock_downgrade+0x980/0x980 [ 174.230816] kernfs_mount_ns+0x13d/0x8b0 [ 174.234869] ? kernfs_super_ns+0x70/0x70 [ 174.238927] sysfs_mount+0xc2/0x1c0 [ 174.242534] ? sysfs_kill_sb+0x40/0x40 [ 174.246399] ? alloc_pages_current+0xbe/0x1e0 [ 174.250875] ? security_sb_copy_data+0x81/0xb0 [ 174.255434] mount_fs+0x66/0x2d0 [ 174.258779] vfs_kern_mount.part.26+0xc6/0x4a0 [ 174.263360] ? may_umount+0xa0/0xa0 [ 174.266978] ? _raw_read_unlock+0x22/0x30 [ 174.271124] ? __get_fs_type+0x8a/0xc0 [ 174.275001] do_mount+0xea4/0x2bb0 [ 174.278530] ? copy_mount_string+0x40/0x40 [ 174.282742] ? rcu_pm_notify+0xc0/0xc0 [ 174.286696] ? copy_mount_options+0x5f/0x2e0 [ 174.291093] ? rcu_read_lock_sched_held+0x108/0x120 [ 174.296091] ? kmem_cache_alloc_trace+0x459/0x740 [ 174.300913] ? kasan_check_write+0x14/0x20 [ 174.305129] ? _copy_from_user+0x99/0x110 [ 174.309273] ? copy_mount_options+0x1f7/0x2e0 [ 174.313746] SyS_mount+0xab/0x120 [ 174.317177] ? copy_mnt_ns+0xb30/0xb30 [ 174.321053] do_syscall_64+0x281/0x940 [ 174.324927] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 174.330453] ? syscall_return_slowpath+0x550/0x550 [ 174.335364] ? syscall_return_slowpath+0x2ac/0x550 [ 174.340289] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 174.345645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 174.350817] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 174.355984] RIP: 0033:0x454e79 [ 174.359163] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 174.366848] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 174.374096] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 174.381343] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 174.388590] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 2018/04/01 11:59:43 executing program 5: mkdir(&(0x7f0000000000)='./file0/', 0x41) 2018/04/01 11:59:43 executing program 0: socketpair(0x4, 0x800, 0xd1d, &(0x7f0000000000)) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:43 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xf, 0x11, &(0x7f0000000280)=ANY=[@ANYBLOB="18000000040000000000000008000000180000000700000000000000018000002b55f0ffffffffff000000000000000018100000", @ANYRES32=0xffffffffffffff9c, @ANYBLOB="00000000000000cd1e093ec3e5eb249d419f202600850000000400000000bc0936e1ba7a160c6f1a00fcffffff00000000", @ANYRES32=0xffffffffffffff9c, @ANYBLOB="000000000000000074edc0fff8ffffff00000000000000009500000000000000"], &(0x7f0000000000)='GPL\x00', 0xa01, 0x85, &(0x7f0000000140)=""/133, 0x41f00, 0x1}, 0x48) ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1) getpid() 2018/04/01 11:59:43 executing program 1: socketpair$inet_sctp(0x2, 0x0, 0x84, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000300)={&(0x7f0000000040)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, 0x80, &(0x7f0000000280)=[{&(0x7f00000000c0)=""/153, 0x99}, {&(0x7f0000000180)=""/249, 0xf9}], 0x2, &(0x7f00000002c0)=""/20, 0x14, 0x9}, 0x10002) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:43 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='affs\x00', 0x1186863, 0x0) r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000140)={&(0x7f0000000100)='./file1\x00', 0x0, 0x8}, 0x10) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000180)={&(0x7f00000000c0)='./file0\x00', r0}, 0x10) 2018/04/01 11:59:43 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:43 executing program 4 (fault-call:1 fault-nth:25): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:43 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000000)='./file0\x00', 0x4) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) [ 174.395837] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000018 [ 174.472139] FAULT_INJECTION: forcing a failure. [ 174.472139] name failslab, interval 1, probability 0, space 0, times 0 [ 174.483552] CPU: 0 PID: 13052 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 174.490829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.500304] Call Trace: [ 174.502900] dump_stack+0x194/0x24d [ 174.506536] ? arch_local_irq_restore+0x53/0x53 [ 174.511282] ? __save_stack_trace+0x7e/0xd0 [ 174.515623] should_fail+0x8c0/0xa40 [ 174.519343] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 174.524451] ? kasan_kmalloc+0xad/0xe0 [ 174.528441] ? kmem_cache_alloc_trace+0x136/0x740 [ 174.533286] ? __memcg_init_list_lru_node+0x169/0x270 [ 174.538480] ? __list_lru_init+0x544/0x750 [ 174.542721] ? sget_userns+0x6b1/0xe40 [ 174.546612] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 174.551542] ? do_mount+0xea4/0x2bb0 [ 174.555256] ? SyS_mount+0xab/0x120 [ 174.558888] ? do_syscall_64+0x281/0x940 [ 174.562955] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 174.568420] ? find_held_lock+0x35/0x1d0 [ 174.572491] ? __lock_is_held+0xb6/0x140 [ 174.576587] ? check_same_owner+0x320/0x320 [ 174.580934] ? rcu_note_context_switch+0x710/0x710 [ 174.585870] should_failslab+0xec/0x120 [ 174.589852] kmem_cache_alloc_trace+0x4b/0x740 [ 174.594436] ? __kmalloc_node+0x33/0x70 [ 174.598415] ? __kmalloc_node+0x33/0x70 [ 174.602399] ? rcu_read_lock_sched_held+0x108/0x120 [ 174.607431] __memcg_init_list_lru_node+0x169/0x270 [ 174.614193] ? list_lru_add+0x7c0/0x7c0 [ 174.618183] ? __kmalloc_node+0x47/0x70 [ 174.622170] __list_lru_init+0x544/0x750 [ 174.626244] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 174.632144] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 174.637174] ? lockdep_init_map+0x9/0x10 [ 174.641272] sget_userns+0x6b1/0xe40 [ 174.644992] ? kernfs_sop_show_path+0x190/0x190 [ 174.649670] ? kernfs_sop_show_options+0x180/0x180 [ 174.654605] ? destroy_unused_super.part.6+0xd0/0xd0 [ 174.659716] ? check_same_owner+0x320/0x320 [ 174.664045] ? rcu_pm_notify+0xc0/0xc0 [ 174.667943] ? rcu_read_lock_sched_held+0x108/0x120 [ 174.672961] ? kmem_cache_alloc_trace+0x459/0x740 [ 174.677807] ? lock_downgrade+0x980/0x980 [ 174.681967] kernfs_mount_ns+0x13d/0x8b0 [ 174.686060] ? kernfs_super_ns+0x70/0x70 [ 174.690157] sysfs_mount+0xc2/0x1c0 [ 174.693788] ? sysfs_kill_sb+0x40/0x40 [ 174.697696] ? alloc_pages_current+0xbe/0x1e0 [ 174.702197] ? security_sb_copy_data+0x81/0xb0 [ 174.706783] mount_fs+0x66/0x2d0 [ 174.710150] vfs_kern_mount.part.26+0xc6/0x4a0 [ 174.714757] ? may_umount+0xa0/0xa0 [ 174.718395] ? _raw_read_unlock+0x22/0x30 [ 174.722629] ? __get_fs_type+0x8a/0xc0 [ 174.726520] do_mount+0xea4/0x2bb0 [ 174.730067] ? copy_mount_string+0x40/0x40 [ 174.734305] ? rcu_pm_notify+0xc0/0xc0 [ 174.738199] ? copy_mount_options+0x5f/0x2e0 [ 174.742611] ? rcu_read_lock_sched_held+0x108/0x120 [ 174.747629] ? kmem_cache_alloc_trace+0x459/0x740 [ 174.752483] ? kasan_check_write+0x14/0x20 [ 174.756717] ? _copy_from_user+0x99/0x110 [ 174.760867] ? copy_mount_options+0x1f7/0x2e0 [ 174.765372] SyS_mount+0xab/0x120 [ 174.768904] ? copy_mnt_ns+0xb30/0xb30 2018/04/01 11:59:43 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x0, 0x6, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:43 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000380)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @loopback}}}, 0x80, &(0x7f0000000200)=[{&(0x7f0000000000)=""/44, 0x2c}, {&(0x7f0000000440)=""/207, 0xcf}, {&(0x7f0000000140)=""/29, 0x1d}], 0x3, 0x0, 0x0, 0x101}, 0x0) sendmsg$kcm(r0, &(0x7f0000001d00)={0x0, 0x0, &(0x7f0000001840)=[{&(0x7f0000000580)="a7cb4f2d725b28f7563ec0968de8dc2a54c4a2df941d2885604ccde64cbd521adc07236ab713dd2c5c62ce6c22f5462888684053fd729fc3a2c173b8b942e24b87e17a4f9e3adf07f3a6b45cf500956c013fb8c971239b1e16f6249f20a00a85b5dfb4357e856d614fed768997f46aed98d910c057751d06affca0eedb5bb84ff792b7ff06b0adefaadf1c6984126a59b97f1c28dbcd645eeee463e4a5e8cdbf9bcbafb5a15f5804736a177c", 0xac}, {&(0x7f0000000640)="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", 0x1000}, {&(0x7f0000001640)="dc29f89a40278f21551b2be71ee3ccd618803443a419fb5aac968487f90d372def63d9fb707a72d61ba2c941aee520166db5670a059f2393273f86677f3d8cb4fcca1563f6f6457c9d3bd80c3f47d75432df59bd63423b22b6bed97e43fe3a1f619024e718b94999d4962037addba8ca9ac94cdc5b0c84a7b00a3906d45581d340a5df4a6ecd7ecce7085dfa3ae595a8613333a9038b94deb24d0310b1d5d40a9820677462afb5cfcd1a06c71e4c5d0134619ef8d8aa8efcaa89b8fa59528fcaae616258e7ebfcd20142b9c350d66c40b270f2247a967262dd356f", 0xdb}, {&(0x7f0000001740)="1a0c52d6d4f79d3585cfc31d43b2dd6764f253b37de9fede8daca1fefb40cccb15eea231be27d33cc3631d0ba0777f3ab5866ce0e46c83d3fcf4531b9db61d5f84e444fc1bf2e2584c213871db216a8685e74545747315a86db5c1ce5e59238eee19d81cce8ef2423044da9251710777bc93e133dbc78d13fdea638e90c41f22895c11f8bd6aea3d3ae004ca4cb949770dfdf171df743825600df6cd199d64aec202c8f6f013c39c35f130067c14b1f191dc3a474242a51e3b3fe25393a175bdcbc2d3ad4bfd09b85353b7bf24512e2e5db3eae92747d94c0397aafd10e5eff92e3851af34d0f17884a124c7ef56945bdda9", 0xf2}], 0x10000355, &(0x7f0000001d40)=ANY=[], 0x0, 0x20048840}, 0x80) 2018/04/01 11:59:43 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000280)) r0 = getpid() r1 = perf_event_open(&(0x7f0000000300)={0x5, 0x70, 0xdb8, 0x4, 0xd91, 0x1000000000000000, 0x0, 0x8000, 0x4020c, 0x2, 0x1000, 0x3, 0x9, 0x6, 0x3, 0x7ff, 0xfff, 0x0, 0x8000, 0x8, 0xf5, 0x0, 0x9, 0x80, 0x2, 0x101, 0x0, 0xfffffffffffffc01, 0x4, 0xfffffffffffffeff, 0x4, 0xfff, 0x7f, 0x8001, 0xfffffffffffffffc, 0x4, 0x1, 0x9, 0x0, 0x126, 0x5, @perf_bp={&(0x7f00000002c0), 0x4}, 0xa0, 0x6, 0x4, 0x0, 0x3ff, 0x200, 0x3}, r0, 0x5, 0xffffffffffffff9c, 0xb) ioctl$PERF_EVENT_IOC_RESET(r1, 0x2403, 0x400000) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r1, 0x2405, r1) r2 = perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x4, 0x4948, 0x5, 0x4, 0x0, 0x162, 0x40208, 0x8, 0x0, 0x4, 0x53a8, 0xa000000000, 0x9, 0xfffffffffffffffe, 0x2000000000000000, 0x222, 0xfff, 0x3, 0xfffffffffffffffe, 0x6, 0x9, 0xec, 0x6, 0x5, 0x7ff, 0xfffffffffffffbff, 0x80000000000, 0x36, 0x4, 0x8, 0x7, 0x101, 0x6, 0x7fffffff, 0x973, 0xd27, 0x0, 0x8001, 0x6, @perf_bp={&(0x7f0000000180), 0x1}, 0x0, 0x1f, 0x76ad, 0x6, 0x9, 0x6, 0xfffffffffffffffe}, 0x0, 0x1, 0xffffffffffffff9c, 0x8) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000240)) ioctl$PERF_EVENT_IOC_DISABLE(r2, 0x2401, 0x7) perf_event_open(&(0x7f00000000c0)={0x5, 0x70, 0xfffffffffffffffa, 0x9, 0x7, 0x9, 0x0, 0x3, 0x200, 0x1, 0x3822, 0x7fffffff, 0xffff, 0x100000000, 0xfffffffffffffff9, 0xffffffffffffff7f, 0x0, 0x1, 0x0, 0x5, 0x80, 0x7, 0x2, 0x80, 0x1ff, 0xffffffffffffffdd, 0x8, 0x6, 0x9, 0xffffffff, 0x2, 0x3, 0x800, 0x7, 0x401, 0xffff, 0x361, 0x88c, 0x0, 0x62ad, 0x6, @perf_bp={&(0x7f0000000080)}, 0x2000, 0x100, 0x80, 0x2, 0x5, 0x5a, 0x1}, r0, 0x2, r2, 0x1) 2018/04/01 11:59:43 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:43 executing program 5: mkdir(&(0x7f0000000040)='./file0/', 0x3f) 2018/04/01 11:59:43 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000040)) bpf$BPF_MAP_GET_NEXT_ID(0xc, &(0x7f0000000000)=0xfffffffffffffffc, 0x4) 2018/04/01 11:59:43 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) recvmsg$kcm(0xffffffffffffff9c, &(0x7f0000006840)={&(0x7f00000064c0)=@can={0x0, 0x0}, 0x80, &(0x7f0000006800)=[{&(0x7f0000006540)=""/72, 0x48}, {&(0x7f00000065c0)=""/203, 0xcb}, {&(0x7f00000066c0)=""/51, 0x33}, {&(0x7f0000006700)=""/201, 0xc9}], 0x4, 0x0, 0x0, 0x5}, 0x0) r1 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f00000001c0)={0xffffffff, 0x6, 0x8}, 0xc) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000200)={&(0x7f0000000180)='./file1\x00', r1}, 0x10) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000006880)={0x0, 0x4, &(0x7f0000000080)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x800, 0x0, 0x0, 0x0, 0x2}, @jmp={0x5, 0x1f, 0xa, 0xc, 0xb, 0x2, 0x10}], &(0x7f0000000100)='GPL\x00', 0x80000001, 0x1, &(0x7f0000000140)=""/1, 0x41100, 0x1, [], r0}, 0x48) r3 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000040)={0x0, 0x6, 0x10}, 0xc) bpf$OBJ_PIN_MAP(0x6, &(0x7f00000000c0)={&(0x7f0000000000)='./file0\x00', r3}, 0x10) ioctl$PERF_EVENT_IOC_SET_BPF(r3, 0x40042408, r2) 2018/04/01 11:59:43 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x5, 0x10}, 0xc) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000280)={r0, &(0x7f0000000080)="004776c8091d22e82941e15ea9f1fc1098be71b95221b0162edc9fc29a7a37f24ff914535ecb59d05acce2732f474549dee3f554cd0af6273b5e719f4536de19dee6c2a4ccd98d47ae3ec171822e8613fc2186dd191731fdec0d8977368e6157423b8ab747b75e247e51a9507213af2f1dcb7925ce4b15cf99516dcf3ac0741c42f9dc8bb071b7c73b2ef11f8de7c9eab9d1701f1fdc97698023a95bda773c2f3f27e5c7719521e8c36d9c7e763ce06225a011a65268bb13cf89fac6931028c9bf343b8945fc639eee8777260a72fadcd23deb8b4e84f88a24fc", &(0x7f0000000180)=""/234}, 0x18) socketpair(0xa, 0x6, 0x1, &(0x7f0000000500)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000540), 0x4) ioctl$sock_kcm_SIOCKCMATTACH(r1, 0x89e0, &(0x7f0000000580)={r2, r3}) 2018/04/01 11:59:43 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mkdir(&(0x7f0000000000)='./file0\x00', 0x5a) [ 174.772791] do_syscall_64+0x281/0x940 [ 174.776677] ? vmalloc_sync_all+0x30/0x30 [ 174.781433] ? _raw_spin_unlock_irq+0x27/0x70 [ 174.785933] ? finish_task_switch+0x1c1/0x7e0 [ 174.790432] ? syscall_return_slowpath+0x550/0x550 [ 174.795386] ? syscall_return_slowpath+0x2ac/0x550 [ 174.800334] ? prepare_exit_to_usermode+0x350/0x350 [ 174.805368] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 174.810826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 174.815679] entry_SYSCALL_64_after_hwframe+0x42/0xb7 2018/04/01 11:59:43 executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x1, 0x1ff, 0x0, 0x0, 0xffffffffffffffff, 0x4}, 0x2c) r1 = perf_event_open(&(0x7f0000000200)={0x5, 0x70, 0x2, 0x8001, 0x8, 0x7bb6f1b3, 0x0, 0x20, 0x1, 0x0, 0x2, 0x9, 0x0, 0x401, 0x10001, 0xa, 0x2, 0xfffffffffffffffe, 0x5, 0xffc, 0x7500000000000000, 0x7, 0x99d5, 0x7a884845, 0x80000001, 0x8000, 0x10000, 0x3, 0x0, 0xffffffffffffffff, 0x9, 0x615f, 0x9, 0x3, 0x1, 0xffffffffffffffff, 0x0, 0x80000000, 0x0, 0x1, 0x2, @perf_bp={&(0x7f0000000140), 0xf}, 0x200, 0x3700, 0xe3, 0x7, 0x8001, 0xec6, 0x1}, 0xffffffffffffffff, 0x9, 0xffffffffffffff9c, 0x8) r2 = perf_event_open(&(0x7f0000000280)={0x7, 0x70, 0xfffffffffffff77f, 0x0, 0x1, 0xe598, 0x0, 0x947, 0x80080, 0x5, 0x8, 0x1f, 0x9, 0x200, 0xb43, 0x101, 0x2641b05e, 0x7fffffff, 0x48000000000, 0x4c81c451, 0xe463, 0x3ff, 0x8, 0x3, 0x100000001, 0x3, 0x3f, 0x12, 0x0, 0x8000, 0x2, 0x1ff, 0x9b4, 0x6, 0x0, 0xad, 0x8, 0xc053, 0x0, 0xa3e3, 0x4, @perf_bp={&(0x7f0000000180), 0x1}, 0x4, 0x3, 0x2, 0x7, 0x8000, 0xfff, 0xa049}, 0xffffffffffffffff, 0x3, 0xffffffffffffffff, 0x2) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r1, 0x2405, r2) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000080)={&(0x7f0000000000)='./file0\x00', r0}, 0x10) mkdir(&(0x7f00000001c0)='./file0\x00', 0xfffffffffffffffe) socketpair(0x1a, 0x4, 0xda, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ID(r3, 0x80082407, &(0x7f0000000100)) 2018/04/01 11:59:43 executing program 6: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0x0, 0x0, 0x8}, 0xc) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)={0x8, 0xb8, 0x0, 0x20, 0x2, r0, 0xab}, 0x2c) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000140)={r1, 0x28, &(0x7f00000001c0)}, 0xffffffffffffffbd) 2018/04/01 11:59:43 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:43 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x0, 0x209e1f, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) [ 174.820869] RIP: 0033:0x454e79 [ 174.824050] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 174.831761] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 174.839033] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 174.846301] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 174.853570] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 174.860854] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000019 2018/04/01 11:59:43 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000040)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='proc\x00', 0x1004000, &(0x7f0000000140)="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") [ 174.976244] bpf_get_probe_write_proto: 4 callbacks suppressed [ 174.976250] syz-executor2[13114] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 175.006571] EXT4-fs: 8 callbacks suppressed [ 175.006578] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:43 executing program 5: mkdir(&(0x7f0000000040)='./file0/', 0x1c) 2018/04/01 11:59:43 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x0, 0x8000000001, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:43 executing program 7: getpid() mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) mkdir(&(0x7f0000000080)='./file0\x00', 0x102) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000100)={&(0x7f00000000c0)='./file0\x00', 0x0, 0x8}, 0x10) 2018/04/01 11:59:43 executing program 6: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7fff, 0x3, 0x0, 0x1, 0xffffffffffffffff, 0x8000}, 0x2c) bpf$OBJ_PIN_MAP(0x6, &(0x7f00000000c0)={&(0x7f0000000000)='./file0\x00', r0}, 0x10) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000140), 0x4) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000180)={&(0x7f0000000100)='./file0\x00', r1}, 0x10) 2018/04/01 11:59:43 executing program 4 (fault-call:1 fault-nth:26): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:43 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair$inet6(0xa, 0xa, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:43 executing program 2: r0 = perf_event_open(&(0x7f0000000380)={0x2, 0x70, 0x2, 0x80000001, 0x2, 0x9, 0x0, 0x5, 0x2000, 0x0, 0x4, 0x0, 0x6, 0x3, 0x9c, 0x6, 0x1, 0x8001, 0x8, 0x1, 0x7, 0x9, 0x8, 0x200, 0x1, 0x10001, 0x400, 0x9, 0x8, 0xffffffff, 0xffff, 0x5, 0x10001, 0x1, 0x3, 0x101, 0x6, 0x2, 0x0, 0x2, 0x4, @perf_bp={&(0x7f0000000000), 0xe}, 0x10022, 0x3, 0xffffffff, 0x7, 0x3, 0x6, 0x3}, 0xffffffffffffffff, 0xf, 0xffffffffffffffff, 0x2) ioctl$PERF_EVENT_IOC_RESET(r0, 0x2403, 0x0) r1 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f00000005c0)=[{&(0x7f0000000440)=""/85}, {&(0x7f00000004c0)=""/210}, {&(0x7f0000000b00)=""/205}, {&(0x7f0000000c00)=""/197}, {&(0x7f0000000140)=""/10}], 0x0, 0x0, 0xfffffffffffffff7, 0x800000000000}, 0x0) close(r1) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="8500007111a290eb16469f84640024000000257affde0000"], &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) socketpair(0x3, 0x5, 0x5, &(0x7f0000000680)={0xffffffffffffffff}) sendmsg$kcm(r2, &(0x7f0000000ac0)={&(0x7f00000006c0)=@llc={0x1a, 0x325, 0x7, 0x2, 0x100000001, 0x200, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x80, &(0x7f0000000a40)=[{&(0x7f0000000740)="4f0c75a53ae0cf474ebdb49e0e1530227dbde1ea50ec6169f5ddef766e355fbcb6df37ad11ccdcf471dfa65bf4c3466538b445f1e8e96c3a9beebe8949186bb21bcd0ded9ffca46129952756", 0x4c}, {&(0x7f00000007c0)="08049083607e7041561dc5044b0974cebab0cb309fac37dfd211814df488b9c171af9a4f445674ebf0e63c4546ca855de500c1ab02eedcac035ee33fe58e302c6d8544ae9ef5bf4b2fa06a21398a31be556899ac051dff9b05b3e8cb9098a1e2947df6dc5a", 0x65}, {&(0x7f0000000840)="f426ea43e3928c13b6c5c1665795dc12f33ae84c28970f360e39946338e54c524f7b628c0dc1bade508dd516362c5bcdda1da8f87a908039dae30828ae1f3a48181b050b11da70df6384a6e64666e7865fb63b3ec92c1afff4dbb67cf0f536d650063becd50f6cd06d5c1377f1952a3ee191df41b30a245994541c10c367509f46ee2e3df6fb1f1a523cbdfe8cd9a919e53c83f76653edf56d975f50185ed7f5256f23b437bc4a1cfdb8f2451d7e8498d9516ebe8baaf22fedd06df4f912b3f39b26ce7e1464a01fe62a52fabd40629fada6b4d80060204debba6c", 0xdb}, {&(0x7f0000000940)="20f6f67f23c1e4d4bcad79dfea2d4870fb3f16860bf85ff435b8ae8ea13e1ff7bef42387a4df263446dd184d8eb3448f8410fc5063a624f4f3561ae8a55cc07bc3", 0x41}, {&(0x7f00000009c0)="9ccdb9cb06a23247fb1504574e5bd60e061ac976d42e7b0e2ae6d7d2859d9465614b2f4a8966a6c6d95e4774b1672b143a216b9947806488a890b48d83a29436a3e96bdf02a2a13b2943b733ba21efc3b2c563b26cf32cb71d2591593825d08b87c4cc6c3f", 0x65}], 0x5, 0x0, 0x0, 0x8000}, 0x4000804) 2018/04/01 11:59:43 executing program 1: socketpair(0xd, 0x80005, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000080)={&(0x7f0000000000)='./file0\x00', r0}, 0x10) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:43 executing program 6: socketpair(0x19, 0x0, 0x6, &(0x7f0000000000)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) [ 175.092243] FAULT_INJECTION: forcing a failure. [ 175.092243] name failslab, interval 1, probability 0, space 0, times 0 [ 175.103999] CPU: 0 PID: 13130 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 175.111301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.120762] Call Trace: [ 175.123374] dump_stack+0x194/0x24d [ 175.127015] ? arch_local_irq_restore+0x53/0x53 [ 175.131697] ? __save_stack_trace+0x7e/0xd0 [ 175.136040] should_fail+0x8c0/0xa40 [ 175.139771] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 175.144887] ? kasan_kmalloc+0xad/0xe0 [ 175.148905] ? kmem_cache_alloc_trace+0x136/0x740 [ 175.153848] ? __memcg_init_list_lru_node+0x169/0x270 [ 175.159048] ? __list_lru_init+0x544/0x750 [ 175.163293] ? sget_userns+0x6b1/0xe40 [ 175.167197] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 175.171960] ? do_mount+0xea4/0x2bb0 [ 175.175688] ? SyS_mount+0xab/0x120 [ 175.179325] ? do_syscall_64+0x281/0x940 [ 175.183400] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 2018/04/01 11:59:44 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mkdir(&(0x7f0000000000)='./file0\x00', 0x21) 2018/04/01 11:59:44 executing program 7: mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:44 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x0, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:44 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) [ 175.188957] ? find_held_lock+0x35/0x1d0 [ 175.193639] ? __lock_is_held+0xb6/0x140 [ 175.197740] ? check_same_owner+0x320/0x320 [ 175.202077] ? rcu_note_context_switch+0x710/0x710 [ 175.207018] should_failslab+0xec/0x120 [ 175.211023] kmem_cache_alloc_trace+0x4b/0x740 [ 175.215614] ? __kmalloc_node+0x33/0x70 [ 175.219595] ? __kmalloc_node+0x33/0x70 [ 175.223585] ? rcu_read_lock_sched_held+0x108/0x120 [ 175.228610] __memcg_init_list_lru_node+0x169/0x270 [ 175.233839] ? list_lru_add+0x7c0/0x7c0 [ 175.237824] ? __kmalloc_node+0x47/0x70 [ 175.241813] __list_lru_init+0x544/0x750 [ 175.245888] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 175.251782] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 175.256828] ? lockdep_init_map+0x9/0x10 [ 175.260907] sget_userns+0x6b1/0xe40 [ 175.264633] ? kernfs_sop_show_path+0x190/0x190 [ 175.269315] ? kernfs_sop_show_options+0x180/0x180 [ 175.274275] ? destroy_unused_super.part.6+0xd0/0xd0 [ 175.279824] ? check_same_owner+0x320/0x320 [ 175.284156] ? rcu_pm_notify+0xc0/0xc0 [ 175.288054] ? rcu_read_lock_sched_held+0x108/0x120 2018/04/01 11:59:44 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) 2018/04/01 11:59:44 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:44 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)) socketpair$inet(0x2, 0x6, 0x3ff, &(0x7f0000000040)) socketpair(0x5, 0x7, 0x1, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_QUERY_BPF(r0, 0xc008240a, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_RESET(r1, 0x2403, 0x7) socketpair$inet6_sctp(0xa, 0x1, 0x84, &(0x7f00000000c0)) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000140)=0x7, 0x4) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r1, 0x2405, r0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r0) [ 175.293077] ? kmem_cache_alloc_trace+0x459/0x740 [ 175.297935] ? lock_downgrade+0x980/0x980 [ 175.302438] kernfs_mount_ns+0x13d/0x8b0 [ 175.306503] ? kernfs_super_ns+0x70/0x70 [ 175.310572] sysfs_mount+0xc2/0x1c0 [ 175.314236] ? sysfs_kill_sb+0x40/0x40 [ 175.318127] ? alloc_pages_current+0xbe/0x1e0 [ 175.322629] ? security_sb_copy_data+0x81/0xb0 [ 175.327305] mount_fs+0x66/0x2d0 [ 175.330679] vfs_kern_mount.part.26+0xc6/0x4a0 [ 175.335445] ? may_umount+0xa0/0xa0 [ 175.339074] ? _raw_read_unlock+0x22/0x30 [ 175.343225] ? __get_fs_type+0x8a/0xc0 [ 175.347124] do_mount+0xea4/0x2bb0 [ 175.350695] ? copy_mount_string+0x40/0x40 [ 175.354930] ? rcu_pm_notify+0xc0/0xc0 [ 175.358826] ? copy_mount_options+0x5f/0x2e0 [ 175.363234] ? rcu_read_lock_sched_held+0x108/0x120 [ 175.368254] ? kmem_cache_alloc_trace+0x459/0x740 [ 175.373103] ? kasan_check_write+0x14/0x20 [ 175.377374] ? _copy_from_user+0x99/0x110 [ 175.381537] ? copy_mount_options+0x1f7/0x2e0 [ 175.386041] SyS_mount+0xab/0x120 [ 175.389499] ? copy_mnt_ns+0xb30/0xb30 2018/04/01 11:59:44 executing program 5: socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000001400)={&(0x7f0000000040)=@ethernet={0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x80, &(0x7f0000001240)=[{&(0x7f0000000100)="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0x1000}, {&(0x7f0000001100)="cd", 0x1}, {&(0x7f0000001140)="f004dad74621e8867935386343ed8b4106d5e7e30a7250c5ab3c4165ce1ca79be323eb41a67648b13081e6267888639fbacb66a8413aec675aaa80604ce7f457ae4d7c452bd73b84ec101f7359d0d1fa7301f6379844fd56f82c52219e9761a7e0f3b3cabb690479ff1767744ce470e0e79353e750bb8e701db4ecd2485ee9b8a87cba19efaf5fe75d1a5fa0da71e8ab8c424b26d1aa0117300844cb1e762d718b4abd08b2803771495c523cf157329afb335e462c805aa805f0a0645eda2807b26c4b45536da3fb", 0xc8}], 0x3, &(0x7f0000001280)=ANY=[@ANYBLOB="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"], 0x160, 0x8084}, 0x8800) socketpair(0x10, 0x8080f, 0x5, &(0x7f0000001a80)={0xffffffffffffffff}) recvmsg$kcm(r1, &(0x7f0000003240)={&(0x7f0000001ac0)=@ax25, 0x80, &(0x7f0000003100)=[{&(0x7f0000001b40)=""/184, 0xb8}, {&(0x7f0000001c00)=""/189, 0xbd}, {&(0x7f0000001cc0)=""/71, 0x47}, {&(0x7f0000001d40)=""/4096, 0x1000}, {&(0x7f0000002d40)=""/202, 0xca}, {&(0x7f0000002e40)=""/182, 0xb6}, {&(0x7f0000002f00)=""/26, 0x1a}, {&(0x7f0000002f40)=""/220, 0xdc}, {&(0x7f0000003040)=""/159, 0x9f}], 0x9, &(0x7f00000031c0)=""/116, 0x74, 0x2}, 0x1) mkdir(&(0x7f0000001480)='./file0/', 0x0) 2018/04/01 11:59:44 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000100)={&(0x7f00000000c0)='./file0\x00', 0x0, 0x18}, 0x10) mkdir(&(0x7f00000001c0)='./file0\x00', 0x32) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000180)={0xffffffffffffffff}) sendmsg$kcm(r1, &(0x7f0000000440)={&(0x7f0000000200)=@nl=@unspec, 0x80, &(0x7f0000000400)=[{&(0x7f0000000280)="81e0eaa91da7aa006db88ab4f1e463eaeb27e22d0063130646c8edcea8f52f5c07defb99f797c8243a487bf88dbbd58f12f6fa0d14fb13175f8fe297b4422166994a36121f0e79030118a52e077b3de318e87f36b086fd40", 0x58}, {&(0x7f0000000300)="09680738ea5b99a9addc0b25107e3a3b332635e1f877e7d3713e9e03509be6bf70edc8379ea3e13de5242b6420e5eb2005fad7b9115413e3d5afa252cca893ce0e9e323166100b4e07d58d421732737b478f3c8bfbe30bc932b8f4c357e00c89c10ebca418bbc7caa5041ef2d4738631bcc3cc13999eff76967cc208821dedae47e0df0b66341dd330f10599f988bb1ec810e960df556b57ea1ef0559cc6a189002ed4c192d847b6b3398c4600607b4bcc79536ca1c9b5335609b56fdeb2139a45e904aaa68def1257a504c2589380b7bdcc9a6ff02c9bc600672d6565e9cf7114d9c6286ac8e6336d01b9398322e894d55f263508ffc5c6f4", 0xf9}], 0x2, &(0x7f00000004c0)=[{0x48, 0x0, 0x20000000, "33634ca7a9148adfb7349989c101be3cd7dfb0527b10df160b1b48a2d29b33aa39ac887be583e294a0b4bc86e2ef1f719f613738b18d81a6"}, {0xb8, 0x117, 0x20, "be3c067258632cdce05386bb35f9bd701fb5e6d744e045b74ba3bca68406a8b902320dcdbb3659f31f5bb06e1993f285492dcd1cd8a721407aa6142cbe07868b347511ed7590399cd35116563912a65ac751a28d175d12ba700eb73c7d60d65e08298e20121c0074c2595157a78285f78273a7d1abd64a419a213e92c3a88a10c72fca6096d388d5dd5bfed67ff154b6ba75ff77e71a5d42c563662ce06b8fcd50"}, {0xf0, 0x113, 0x2c12, "90ce8c95d4f7c5ac788e89e0b0701284b9a6082206441cd412d2e496166633c660adf0dd77ad5f29c9e6c8dfb9d5cf777976b5595b0f98d61d32e4922eb74ea79c924413c42c54f7deec7c395684bf70b03cb2a526d4377b85fc16c96d2573f045d931b7456f7a914d87758a0163c65a0a3baa5ae90c0d26d9bd9f1e15fb44885644a0c1a2fa96f3d4fdd45d40d49a7eb3d7716a32c8f392b976535e7bc4cf11d32e1e0384b020a7f649a72258ece37c2ad9ce429931c9a359f6c53a416f3040b8b66a92ea9cddb635bc3b8dff55759a57f97db42f6a9ebe6fe9"}, {0x50, 0x111, 0x1c, "a23abcf3b08cf0dc19ebdd71d93d106148fab3ae1d4e851d3608556fd90fb96703dc5e41938f792850daf04ad7624e4b314e4243bc36b92681636cb9a368f0"}, {0x30, 0x10f, 0x200, "f32ea79a4448cf19f5818fe0200335dd6246276d34d5c141e61818ff2f7187"}, {0x110, 0x0, 0x1, "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"}, {0x68, 0x101, 0x9, "b75350d0add1cb1888be62b341b74c0b143cbe87edea97f1598a48b53098d2c88a37dabecfa3d2e91c2eff8731588d8f8b7476d0fedb72e2dd071f01a7691f52b2edeb61b64d950952fd73cbbc13bc0fe2e67fedd1ad"}], 0x3e8, 0x48000}, 0x4000000) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000140)={&(0x7f0000000080)='./file0\x00', r0}, 0x10) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x8}, 0x10) 2018/04/01 11:59:44 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={0xffffffffffffffff, &(0x7f0000000040)='N', &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:44 executing program 6: r0 = socket$kcm(0x29, 0x5, 0x0) recvmsg$kcm(r0, &(0x7f0000001240)={&(0x7f0000000080)=@can, 0x80, &(0x7f0000001140)=[{&(0x7f0000000100)=""/4096, 0x1000}, {}, {&(0x7f0000001100)=""/55, 0x37}], 0x3, &(0x7f0000001180)=""/148, 0x94, 0xfffffffffffff800}, 0x40000001) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) [ 175.393393] do_syscall_64+0x281/0x940 [ 175.397287] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 175.402834] ? syscall_return_slowpath+0x550/0x550 [ 175.407773] ? syscall_return_slowpath+0x2ac/0x550 [ 175.412736] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 175.420209] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 175.425070] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 175.430284] RIP: 0033:0x454e79 [ 175.433487] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 175.441220] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 175.448518] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 175.455818] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 175.463118] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 175.470398] R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000001a [ 175.517946] EXT4-fs (sda1): re-mounted. Opts: (null) [ 175.560008] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:45 executing program 2: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) recvmsg(r0, &(0x7f0000000700)={&(0x7f00000004c0)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @mcast1}}}, 0x80, &(0x7f0000000600)=[{&(0x7f0000000540)=""/38, 0x26}, {&(0x7f0000000580)=""/95, 0x5f}], 0x2, &(0x7f0000000640)=""/186, 0xba, 0x3ff}, 0x10000) r1 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000140)={&(0x7f0000000000)='./file0\x00', 0x0, 0xb}, 0x10) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000380)={r1, &(0x7f0000000200)="3104df67b236d762fc93e8bdff5894f1d5a738bd60972744"}, 0x10) socketpair(0xb, 0x6, 0x5, &(0x7f00000003c0)) r2 = perf_event_open(&(0x7f0000000440)={0x4, 0x70, 0x3ff, 0x80000001, 0x6, 0x1, 0x0, 0x4, 0x8000, 0x0, 0x5d, 0x10000, 0x1, 0x8, 0xffffffffffffffdd, 0x400, 0x9, 0x2000000, 0x6, 0xfffffffffffffff9, 0x101, 0x1, 0x0, 0x100, 0x31, 0x6aef, 0x1, 0x4bea, 0x10000, 0x7b04, 0x4, 0xaf, 0xfffffffffffff001, 0x6, 0x6, 0x5664, 0x4, 0x5, 0x0, 0x1ff, 0x3, @perf_config_ext={0x0, 0x9}, 0x10000, 0x9, 0x1, 0x6, 0xfffffffffffffffc, 0x5, 0x1}, 0xffffffffffffffff, 0x2, 0xffffffffffffff9c, 0x9) ioctl$PERF_EVENT_IOC_DISABLE(r2, 0x2401, 0x7) 2018/04/01 11:59:45 executing program 4 (fault-call:1 fault-nth:27): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:45 executing program 5: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x6, 0x5, &(0x7f0000000380)=ANY=[@ANYBLOB="180102000000db63000020000000001c850000001c000004150000000000200095000090052330ae247cb7ea6dd4eeeefe4084d418645941c6643c6d0a819277c646df0925ca4908b45498147b9a9f69062b39ae7d0038dd7e84850fa7a2000000000000000000000000000000000000000000"], &(0x7f0000000080)='GPL\x00', 0x8, 0xf9, &(0x7f00000001c0)=""/249}, 0x48) r1 = perf_event_open(&(0x7f0000000300)={0x7, 0x70, 0x5, 0xfff, 0x2, 0x0, 0x0, 0x2d, 0x0, 0x2, 0x7fffffff, 0x9, 0x87, 0x7, 0x2, 0x7ff, 0x9, 0x80000001, 0x6, 0x1f, 0x8, 0x0, 0x2, 0x2, 0x1ff, 0x4, 0x5, 0x96c3, 0xae, 0x2, 0x5, 0x3f4, 0x1f, 0xffffffff7fffffff, 0x7, 0x7fff, 0x5, 0x5, 0x0, 0x75e, 0x2, @perf_config_ext={0x0, 0x3}, 0x1044, 0x7f, 0x1aa, 0x7, 0x1, 0x6, 0x5}, 0x0, 0xe, 0xffffffffffffff9c, 0x1) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r1) mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) recvmsg(r2, &(0x7f0000001c40)={&(0x7f0000000440)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @local}}}, 0x80, &(0x7f0000001a80)=[{&(0x7f00000004c0)=""/231, 0xe7}, {&(0x7f00000005c0)=""/4, 0x4}, {&(0x7f0000000600)=""/4096, 0x1000}, {&(0x7f0000001600)=""/136, 0x88}, {&(0x7f00000016c0)=""/10, 0xa}, {&(0x7f0000001700)=""/60, 0x3c}, {&(0x7f0000001740)=""/74, 0x4a}, {&(0x7f00000017c0)=""/247, 0xf7}, {&(0x7f00000018c0)=""/162, 0xa2}, {&(0x7f0000001980)=""/195, 0xc3}], 0xa, &(0x7f0000001b40)=""/224, 0xe0, 0x3f}, 0x100) bpf$OBJ_PIN_PROG(0x6, &(0x7f00000002c0)={&(0x7f0000000180)='./file0/', r0}, 0x10) mount(&(0x7f0000000000)='./file0/', &(0x7f0000000040)='./file0/', &(0x7f0000000080)='squashfs\x00', 0x4000, 0x0) 2018/04/01 11:59:45 executing program 1: r0 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000080)=0xffffffff, 0x4) bpf$BPF_PROG_DETACH(0x9, &(0x7f00000000c0)={0x0, r0, 0x0, 0x3}, 0x14) mkdir(&(0x7f0000000480)='./file0\x00', 0x2) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x8}, 0x10) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000000100)) 2018/04/01 11:59:45 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fc9000)={0x1, 0x6, 0x209e1f, 0x8000000001}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000040), &(0x7f0000000180)}, 0x20) 2018/04/01 11:59:45 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f00000000c0)) 2018/04/01 11:59:45 executing program 0: ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)={0xffffffffffffff9c}) recvmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000040)=""/225, 0xe1}, {&(0x7f0000000140)=""/161, 0xa1}, {&(0x7f0000000200)=""/29, 0x1d}], 0x3, 0x0, 0x0, 0x6886}, 0x20) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:45 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f00000000c0)={&(0x7f0000000080)='./file0\x00', 0x0, 0x8}, 0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) socketpair(0x11, 0xa, 0x2, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x5, 0xa, 0x1, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000280)=""/175, 0xaf}, {&(0x7f0000000340)=""/125, 0x7d}, {&(0x7f00000004c0)=""/205, 0xcd}, {&(0x7f00000003c0)=""/83, 0x53}, {&(0x7f00000005c0)=""/214, 0xd6}, {&(0x7f00000006c0)=""/148, 0x94}], 0x6, &(0x7f0000000800)=""/204, 0xcc, 0x7ff}, 0x40000060) bpf$MAP_CREATE(0x0, &(0x7f0000000240)={0x0, 0xd5f9, 0x7, 0x3, 0xb, r0, 0xe781}, 0x2c) bpf$OBJ_PIN_MAP(0x6, &(0x7f00000001c0)={&(0x7f0000000100)='./file0\x00', r2}, 0x10) 2018/04/01 11:59:45 executing program 3: [ 176.506722] syz-executor2[13212] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 176.507719] EXT4-fs (sda1): re-mounted. Opts: (null) [ 176.528205] FAULT_INJECTION: forcing a failure. [ 176.528205] name failslab, interval 1, probability 0, space 0, times 0 [ 176.539542] CPU: 0 PID: 13217 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 176.546950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 2018/04/01 11:59:45 executing program 0: mkdir(&(0x7f00000000c0)='./file0\x00', 0x8) mkdir(&(0x7f0000000000)='./file0\x00', 0x1) bpf$OBJ_GET_PROG(0x7, &(0x7f0000001c80)={&(0x7f0000001bc0)='./file1\x00', 0x0, 0x18}, 0x10) r0 = socket$kcm(0x29, 0x2, 0x0) recvmsg$kcm(r0, &(0x7f0000001b80)={&(0x7f0000001540)=@vsock, 0x80, &(0x7f0000001a00)=[{&(0x7f00000015c0)=""/138, 0x8a}, {&(0x7f0000001680)=""/90, 0xfffffffffffffc1f}, {&(0x7f0000001c00)=""/16, 0xfffffffffffffd4c}, {&(0x7f0000001740)=""/158, 0x9e}, {&(0x7f0000001800)=""/208, 0xd0}, {&(0x7f0000001900)=""/224, 0xffffffffffffffc1}], 0x6, &(0x7f0000001a80)=""/149, 0x3e6, 0x20}, 0x23) socketpair(0x10, 0x1, 0x407, &(0x7f0000001700)={0xffffffffffffffff}) r2 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000001c40)={&(0x7f0000001b40)='./file1\x00', 0x0, 0x18}, 0x10) ioctl$PERF_EVENT_IOC_SET_BPF(r1, 0x40042408, r2) sendmsg$kcm(r0, &(0x7f0000001500)={&(0x7f0000000040)=@pptp={0x18, 0x2, {0x0, @rand_addr=0xff}}, 0x80, &(0x7f00000012c0)=[{&(0x7f0000000100)="e3d4b368f484a6f370a5f7eac2fe377de05cec2a02138741b0d17bdebbaf40862dd875f4b555aa243a774ef3d17d7c3285511f3938d04d28c0ccb0417bffd5155b348bd83f342574cfe133c47b26899a853b76de587486e126a7fed6f7190036096b0f96ee3e267e64ba9ffd2a3b0263dd3b3a106112a353c253f87e78214348b09dc3613a5b167ad9f97cbf450ecdd2f039b65f1ac927d9d6d53cbbb44206d4a6acc10e3f8c5bed96e673e8ff008886509f29ac28568466499cbe8d067c878ae6245b4c1d6b135a279dfbaa3c5fd371982b5074be2a40355e6db015a1", 0xdd}, {&(0x7f0000000200)="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", 0x1000}, {&(0x7f0000001200)="06f53b2042acda2467072337b8a6354cc67c03dc39d247c3c8a7a46990c1d3a9ecc0b12fbcd51497fe5a67e9137f4260457de252ad0375c5417eee5bd11f0d904521793cada78c09b55083c1b95dc75ac9deb72f03ef3ef283261beaf3badd24c0314175663eb7bfac8208040fb4237a4703321b76f4e08a0887adff01daab7c4d1bf2907de083303fde8b69d714d2c71743858bee57", 0x96}], 0x3, &(0x7f0000001300)=[{0xe8, 0x115, 0x1000000000000, "9496205092906afe18730c35120dc1190ebf048dedbce43e70a66ec246f53ea073f46413802b548ae29d324cc9fda1b2e4769aabeb3e4ed2afcbde69436f4269483d7494a6558afa5b62fe6bcc5fc84f77969e4cb199dc94a541ea25da4f0c989999360c6dcac0bfbfcb06d1ea92223fe5c984b9e419ddef15bae04e2fab8aec0899292c8a2d774eeaff90c82a5310b880b0d245918bbed607acdfe24f9edac00a4147630264e03b9ff4569ff9a5187fd3f60e124053be3fefb626b6280d1ed2af59f483c8b037b3b855e2aa6fd55b6fe517f2488615aa2d"}, {0x60, 0x13a, 0x5, "590762c37caee75506c6d4479de5006132dbb45565c9d8fad0290df30b53231fcf1eb2fefe7c3cb467fb3d7e20a4ee3c200c21e427b43db3590f71640defa7cc507e4ea93151b75a4d71b1"}, {0xb0, 0x110, 0x2, "f7afea958acd63a450890e81e53a303efd1eb0c83a354563a468b1a17a9872479ad11870fb4b5e1113c8277a807ed362a00c50be337a063a94bfd3a506bffc570f5e8fc8bd6f527125233e24b59579244ec0204cacf4e33ec4a14ff07b101d6ddf6624787ae238221d7f0cbcda803e38c840c1f6caa6b4a9780cae2be95a986bd576bf3703791e0c20a20aafb4488d193a43cceff8fdebd5c6"}], 0x1f8, 0x40000}, 0x8000) 2018/04/01 11:59:45 executing program 3: [ 176.556305] Call Trace: [ 176.558900] dump_stack+0x194/0x24d [ 176.562535] ? arch_local_irq_restore+0x53/0x53 [ 176.567204] ? __save_stack_trace+0x7e/0xd0 [ 176.571536] should_fail+0x8c0/0xa40 [ 176.575259] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 176.580365] ? kasan_kmalloc+0xad/0xe0 [ 176.584271] ? kmem_cache_alloc_trace+0x136/0x740 [ 176.589115] ? __memcg_init_list_lru_node+0x169/0x270 [ 176.594304] ? __list_lru_init+0x544/0x750 [ 176.598540] ? sget_userns+0x6b1/0xe40 [ 176.602430] ? vfs_kern_mount.part.26+0xc6/0x4a0 2018/04/01 11:59:45 executing program 3: [ 176.607186] ? do_mount+0xea4/0x2bb0 [ 176.610900] ? SyS_mount+0xab/0x120 [ 176.614527] ? do_syscall_64+0x281/0x940 [ 176.618593] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 176.623963] ? find_held_lock+0x35/0x1d0 [ 176.628036] ? __lock_is_held+0xb6/0x140 [ 176.632105] ? check_same_owner+0x320/0x320 [ 176.636430] ? rcu_note_context_switch+0x710/0x710 [ 176.641369] should_failslab+0xec/0x120 [ 176.645352] kmem_cache_alloc_trace+0x4b/0x740 [ 176.649936] ? __kmalloc_node+0x33/0x70 [ 176.653908] ? __kmalloc_node+0x33/0x70 2018/04/01 11:59:45 executing program 3: 2018/04/01 11:59:45 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000600)={0xffffffffffffffff}) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000540)={&(0x7f0000000040)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, 0x80, &(0x7f00000004c0)=[{&(0x7f00000000c0)=""/216, 0xd8}, {&(0x7f00000001c0)=""/11, 0xb}, {&(0x7f0000000200)=""/178, 0xb2}, {&(0x7f00000002c0)=""/183, 0xb7}, {&(0x7f0000000380)=""/96, 0x60}, {&(0x7f0000000400)=""/84, 0x54}], 0x6, 0x0, 0x0, 0x3ff}, 0x10042) bpf$OBJ_GET_MAP(0x7, &(0x7f00000005c0)={&(0x7f0000000580)='./file0\x00', 0x0, 0x18}, 0x10) mount(&(0x7f0000000640)='./file0\x00', &(0x7f0000000680)='./file0\x00', &(0x7f00000006c0)='cramfs\x00', 0x4400, &(0x7f0000000700)="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") ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000001700)={r1}) sendmsg$kcm(r2, &(0x7f0000002a80)={&(0x7f0000001740)=@pppoe={0x18, 0x0, {0x0, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, 'dummy0\x00'}}, 0x80, &(0x7f0000001940)=[{&(0x7f00000017c0)="2f50e04bee0518271f8325375f311d94585872d2672c1bf1eccc008f7b95477ae52952c5c1eb40879865ca", 0x2b}, {&(0x7f0000001800)="1082f98de9e840e74c0dfa0106a2363480bb4566281b3d28815616442e9a729058624f0f0470a0e09a303d43e69e625eb1dbe401b57d94825c341a8088558ad5432d59629455716fbad5333a116824ca235d1416b9f596c22c4836b0664516d7f718eddd05a2101eb83b77f49bb9a5979190cf3795935419f9acf92d3d939888a5ff5bf269a7248cb5a300d515f86a8f7640f213a0e2fa70a8b1868cdc1cc54aa1f3d9f09e", 0xa5}, {&(0x7f00000018c0)="73ac929c1da50bf1e582c6886116184dfd9d947636dbd1826c2046644483a7720b9e4f7cdfaead7f52d2e278fe217db0ee363b75f4f397b650e142742e50e579dc1674beb237b9f8951cdbbed033367d9b153748fbf7bfa1fb2bf4fe484ae7bee5c2ff03ea5684a467", 0x69}], 0x3, &(0x7f0000001980)=[{0x1010, 0x111, 0xc0, "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"}, {0xb8, 0x0, 0x10001, "8b374f601fd3348745066b0f828d007004cc77ac7c2633bc595b4ccfb1ce26a42f990acb66a2b4ac3d0457f43ec981ca59b222a33127190918ffb7fb5407d308a1f779f46ff31e53f23da69499cdb624f264e986592d780fc57dc060a794baaeb0672b2148260008e8b7a80e58bdab63e1f7f814cb2feae165ca5d76019498e55372485a0d43094b5e9c6e35695e6730c4709eb4e024d575be0545e16c580b17356cf3bee6b994df"}], 0x10c8, 0x4004000}, 0x1) 2018/04/01 11:59:45 executing program 6: socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000040)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000080)) socketpair$unix(0x1, 0x11, 0x0, &(0x7f0000000100)) [ 176.657880] ? rcu_read_lock_sched_held+0x108/0x120 [ 176.662903] __memcg_init_list_lru_node+0x169/0x270 [ 176.667923] ? list_lru_add+0x7c0/0x7c0 [ 176.671897] ? __kmalloc_node+0x47/0x70 [ 176.675875] __list_lru_init+0x544/0x750 [ 176.679941] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 176.685833] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 176.690856] ? lockdep_init_map+0x9/0x10 [ 176.694952] sget_userns+0x6b1/0xe40 [ 176.698664] ? kernfs_sop_show_path+0x190/0x190 [ 176.703335] ? kernfs_sop_show_options+0x180/0x180 2018/04/01 11:59:45 executing program 3: bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x5, &(0x7f0000000180)=@framed={{0x18}, [@map={0x18, 0x0, 0x1}], {0x95}}, &(0x7f00000000c0)="7379e66b616c6c657200", 0xfffffffffffffffa, 0x1000, &(0x7f000039c000)=""/4096}, 0x48) [ 176.708266] ? destroy_unused_super.part.6+0xd0/0xd0 [ 176.713377] ? check_same_owner+0x320/0x320 [ 176.717712] ? rcu_pm_notify+0xc0/0xc0 [ 176.721605] ? rcu_read_lock_sched_held+0x108/0x120 [ 176.726623] ? kmem_cache_alloc_trace+0x459/0x740 [ 176.731469] ? lock_downgrade+0x980/0x980 [ 176.735626] kernfs_mount_ns+0x13d/0x8b0 [ 176.739690] ? kernfs_super_ns+0x70/0x70 [ 176.743756] sysfs_mount+0xc2/0x1c0 [ 176.747385] ? sysfs_kill_sb+0x40/0x40 [ 176.751275] ? alloc_pages_current+0xbe/0x1e0 [ 176.755767] ? security_sb_copy_data+0x81/0xb0 [ 176.760345] mount_fs+0x66/0x2d0 [ 176.763715] vfs_kern_mount.part.26+0xc6/0x4a0 [ 176.768293] ? may_umount+0xa0/0xa0 [ 176.771914] ? _raw_read_unlock+0x22/0x30 [ 176.776057] ? __get_fs_type+0x8a/0xc0 [ 176.779947] do_mount+0xea4/0x2bb0 [ 176.783488] ? copy_mount_string+0x40/0x40 [ 176.787719] ? rcu_pm_notify+0xc0/0xc0 [ 176.791604] ? copy_mount_options+0x5f/0x2e0 [ 176.796009] ? rcu_read_lock_sched_held+0x108/0x120 [ 176.799261] syz-executor2[13245] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 176.801016] ? kmem_cache_alloc_trace+0x459/0x740 [ 176.801027] ? kasan_check_write+0x14/0x20 [ 176.801037] ? _copy_from_user+0x99/0x110 [ 176.801048] ? copy_mount_options+0x1f7/0x2e0 [ 176.823988] EXT4-fs (sda1): re-mounted. Opts: (null) [ 176.825163] SyS_mount+0xab/0x120 [ 176.825173] ? copy_mnt_ns+0xb30/0xb30 [ 176.825186] do_syscall_64+0x281/0x940 [ 176.825195] ? vmalloc_sync_all+0x30/0x30 [ 176.825211] ? _raw_spin_unlock_irq+0x27/0x70 [ 176.825222] ? finish_task_switch+0x1c1/0x7e0 [ 176.825232] ? syscall_return_slowpath+0x550/0x550 [ 176.863976] ? syscall_return_slowpath+0x2ac/0x550 [ 176.869170] ? prepare_exit_to_usermode+0x350/0x350 [ 176.874458] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 176.879841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 176.884691] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 176.889971] RIP: 0033:0x454e79 [ 176.893150] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 176.900856] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 176.908133] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 176.915425] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 176.922698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 176.929971] R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000001b 2018/04/01 11:59:45 executing program 7: mkdir(&(0x7f0000000240)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0x3b7, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x5, 0x3, &(0x7f0000346fc8)=@framed={{0x18}, [], {0x95}}, &(0x7f00000001c0)='GPL\x00', 0xfffffffffffffffc, 0xfb, &(0x7f0000000080)=""/251}, 0x48) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000180)='GPL\x00') ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1) ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1) mkdir(&(0x7f0000000340)='./file0/file0\x00', 0xfffffff) ioctl$PERF_EVENT_IOC_REFRESH(r0, 0x2402, 0xfd1b) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:45 executing program 5: socketpair(0x6, 0x8000a, 0x3ff, &(0x7f0000000040)={0xffffffffffffffff}) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000080)={&(0x7f0000000000)='./file0/', r0}, 0x10) mkdir(&(0x7f00000000c0)='./file0/', 0x0) 2018/04/01 11:59:45 executing program 6: socketpair(0x0, 0xe, 0x7ff, &(0x7f0000000000)={0xffffffffffffffff}) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000100)={r0, 0x50, &(0x7f0000000080)}, 0x10) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) 2018/04/01 11:59:45 executing program 3: bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x7dbad4c8}, 0x2c) 2018/04/01 11:59:45 executing program 1: socketpair(0x9, 0x3, 0x9, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_RESET(r0, 0x2403, 0xbc00) mkdir(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffdff) mkdir(&(0x7f0000000480)='./file0\x00', 0x2000000000) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000180)) r1 = perf_event_open(&(0x7f0000000080)={0x3, 0x70, 0x4, 0x20, 0x6, 0xd292, 0x0, 0x42e, 0x8040, 0x4, 0x8000, 0xf04b, 0x7fff, 0x8, 0x7ff, 0x7, 0x2, 0x1ff, 0x9, 0x101, 0x9, 0x0, 0x82, 0x5, 0x9, 0x9, 0xd9, 0x1f, 0x1ff, 0x1, 0x0, 0xff, 0x7ff, 0x5, 0x5, 0xffffffffffffff80, 0x40, 0x10000, 0x0, 0x1, 0x5, @perf_bp={&(0x7f0000000040), 0x8}, 0x270, 0x400, 0x5, 0x0, 0x3, 0x20, 0xff}, 0x0, 0x4, 0xffffffffffffff9c, 0xa) ioctl$PERF_EVENT_IOC_ID(r1, 0x80082407, &(0x7f0000000100)) 2018/04/01 11:59:45 executing program 4 (fault-call:1 fault-nth:28): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:45 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x18}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000380)={0x0, 0x9, 0x8}, 0xc) bpf$MAP_DELETE_ELEM(0x3, &(0x7f00000003c0)={r0, &(0x7f0000001440)="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"}, 0x10) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) r1 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000140)={&(0x7f0000000000)='./file0\x00', 0x0, 0x10}, 0x10) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000200)={r1, &(0x7f0000000440)="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"}, 0x10) 2018/04/01 11:59:45 executing program 0: socketpair(0x9, 0x7, 0x9, &(0x7f0000000080)={0xffffffffffffffff}) bpf$OBJ_PIN_MAP(0x6, &(0x7f00000000c0)={&(0x7f0000000000)='./file0/file0\x00', r0}, 0x10) [ 177.012289] FAULT_INJECTION: forcing a failure. [ 177.012289] name failslab, interval 1, probability 0, space 0, times 0 [ 177.012461] syz-executor2[13277] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 177.023710] CPU: 1 PID: 13273 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 177.023718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.023721] Call Trace: [ 177.023740] dump_stack+0x194/0x24d [ 177.023756] ? arch_local_irq_restore+0x53/0x53 [ 177.062877] ? __save_stack_trace+0x7e/0xd0 [ 177.067305] should_fail+0x8c0/0xa40 [ 177.071038] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 177.076211] ? kasan_kmalloc+0xad/0xe0 [ 177.080126] ? kmem_cache_alloc_trace+0x136/0x740 [ 177.084986] ? __memcg_init_list_lru_node+0x169/0x270 [ 177.090188] ? __list_lru_init+0x544/0x750 [ 177.094445] ? sget_userns+0x6b1/0xe40 [ 177.098339] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 177.102610] EXT4-fs (sda1): re-mounted. Opts: (null) [ 177.103180] ? do_mount+0xea4/0x2bb0 [ 177.103188] ? SyS_mount+0xab/0x120 [ 177.103199] ? do_syscall_64+0x281/0x940 [ 177.103211] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 177.103226] ? find_held_lock+0x35/0x1d0 [ 177.103238] ? __lock_is_held+0xb6/0x140 [ 177.103256] ? check_same_owner+0x320/0x320 [ 177.137501] ? rcu_note_context_switch+0x710/0x710 [ 177.142441] should_failslab+0xec/0x120 [ 177.146426] kmem_cache_alloc_trace+0x4b/0x740 [ 177.151023] ? __kmalloc_node+0x33/0x70 [ 177.156005] ? __kmalloc_node+0x33/0x70 [ 177.159997] ? rcu_read_lock_sched_held+0x108/0x120 [ 177.165027] __memcg_init_list_lru_node+0x169/0x270 [ 177.170040] ? list_lru_add+0x7c0/0x7c0 [ 177.174094] ? __kmalloc_node+0x47/0x70 [ 177.178077] __list_lru_init+0x544/0x750 [ 177.182300] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 177.188970] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 177.193968] ? lockdep_init_map+0x9/0x10 [ 177.198023] sget_userns+0x6b1/0xe40 [ 177.201725] ? kernfs_sop_show_path+0x190/0x190 [ 177.206372] ? kernfs_sop_show_options+0x180/0x180 [ 177.211281] ? destroy_unused_super.part.6+0xd0/0xd0 [ 177.216367] ? check_same_owner+0x320/0x320 [ 177.220756] ? rcu_pm_notify+0xc0/0xc0 [ 177.224625] ? rcu_read_lock_sched_held+0x108/0x120 [ 177.229621] ? kmem_cache_alloc_trace+0x459/0x740 [ 177.234440] ? lock_downgrade+0x980/0x980 [ 177.238571] kernfs_mount_ns+0x13d/0x8b0 [ 177.242613] ? kernfs_super_ns+0x70/0x70 [ 177.246656] sysfs_mount+0xc2/0x1c0 [ 177.250263] ? sysfs_kill_sb+0x40/0x40 [ 177.254131] ? alloc_pages_current+0xbe/0x1e0 [ 177.258607] ? security_sb_copy_data+0x81/0xb0 [ 177.263174] mount_fs+0x66/0x2d0 [ 177.266519] vfs_kern_mount.part.26+0xc6/0x4a0 [ 177.271079] ? may_umount+0xa0/0xa0 [ 177.274685] ? _raw_read_unlock+0x22/0x30 [ 177.278816] ? __get_fs_type+0x8a/0xc0 [ 177.282686] do_mount+0xea4/0x2bb0 [ 177.286207] ? copy_mount_string+0x40/0x40 [ 177.290421] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 177.295416] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 177.300154] ? retint_kernel+0x10/0x10 [ 177.304029] ? copy_mount_options+0x18b/0x2e0 [ 177.308509] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 177.313334] ? copy_mount_options+0x1f7/0x2e0 [ 177.317810] SyS_mount+0xab/0x120 [ 177.321246] ? copy_mnt_ns+0xb30/0xb30 [ 177.325131] do_syscall_64+0x281/0x940 [ 177.329033] ? vmalloc_sync_all+0x30/0x30 [ 177.333162] ? _raw_spin_unlock_irq+0x27/0x70 [ 177.337638] ? finish_task_switch+0x1c1/0x7e0 [ 177.342117] ? syscall_return_slowpath+0x550/0x550 [ 177.347030] ? syscall_return_slowpath+0x2ac/0x550 [ 177.351961] ? prepare_exit_to_usermode+0x350/0x350 [ 177.356976] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 177.362325] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 177.367150] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 177.372320] RIP: 0033:0x454e79 [ 177.375486] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 177.383174] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 177.390426] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 177.397675] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 177.404922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 2018/04/01 11:59:45 executing program 0: socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000140)) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:45 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0x0, 0x8000f, 0xb9, &(0x7f0000000000)={0xffffffffffffffff}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000180)={r0, &(0x7f0000000040)="86f6f4b03d0ccfc05565a814bcfd48be62d4f04aee05ab7aea980df91fcf46d348d94b8a8fa3ab4e5e8f2fb9fb12b8756dea43b004f62ded3f731bc2df8ae3f62b86229c12c9792acf171bf18407eeb47ed7bd2aa7461272b3370647b00abf774aac7ae8fb0f193fd6a225e050bc4523bdb5770b02fa77bee27c37769e943ad40efd95c929eaaa4dc3e677a90d55ef2a249dc2365df46d1967c79f1d33b6e594638ba0c884b7ebf0ec4b7c41dd01ca0c3624421ba9f65f608e641da4254032", &(0x7f0000000100)="84e2d9c0d57fdbb538a4907c091736e8e1b260dba3ebbd50c12e9ed641d6fde02ec95e61d754470c16b8497a950b2ab6ba6a3a007307c281300edc590df2743d4f41d01002e34d792d501b569250ae26ab6f6f93752eed3f61228395fb3610fe24cabaf1a2af238799c4"}, 0x20) 2018/04/01 11:59:45 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f000039a000)={0x5, 0x100, 0x100, 0x2}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x7, &(0x7f0000000180)=@framed={{0x18}, [@map={0x18, 0x0, 0x1, 0x0, r0}, @initr0={0x18}], {0x95}}, &(0x7f00000000c0)="7379e66b616c6c657200", 0xfffffffffffffffa, 0x1000, &(0x7f000039c000)=""/4096}, 0x48) [ 177.412181] R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000001c [ 177.427605] syz-executor2[13288] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 177.430594] EXT4-fs (sda1): re-mounted. Opts: (null) 2018/04/01 11:59:46 executing program 6: socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f00000006c0)={0xffffffffffffffff}) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000700), 0x4) setsockopt$sock_attach_bpf(r0, 0x1, 0x32, &(0x7f0000000740)=r1, 0x4) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg(r2, &(0x7f0000000600)={&(0x7f00000000c0)=@ipx={0x4, 0x0, 0x9, "73a59333810f", 0x101}, 0x80, &(0x7f0000000540)=[{&(0x7f0000000300)="7d7ed319581815f040959a1ca03c54a81e7cfbfa24f0d16af1a382ff98f8be5448f42f6344deb4054c425cd03dc48f6d855a08e16c5233cb48ffa4766d9d8562da3116aae325b232939cf5df346528d217676e0b6d2d07aa107abb996303eccca6d48f9f8081274f782f7831595d8d24735a217c1d1ecca833f25d842a9a04f6349bb78ec375bbd7976e5782a0bd2b1f4f0f502b68b7899e228da3dd0caba47b8b189c853ecf659d191e4e8a700406dbfd5760bc80a0d7b0710a279cbdf819a0a13bfe", 0xc3}, {&(0x7f0000000240)="cd6e8903ba0cc0d2acffb1cb1946c8b42bcb1a290565b189c97abfc988e9aac69e", 0x21}, {&(0x7f00000004c0)="ed1b0b4fe359395e286e2fade14baa3b336c7e13ab816fadd6dfe819f55eb6258094611f8f6fd239094cb5667d394b86dd238fe6488a2f36635994dd313071652b216b64757e5358cded1f130adc3b", 0x4f}], 0x3, &(0x7f0000000580)=[{0x68, 0x102, 0x0, "cf9dae2af412f0487369ea6114d6c0b392248fc8e1f6728162d70f9302e00e8a950c25b6b17dc4d01fa8b653f914e3bc516b88fb80be7eceaf4886786741a0802e0b2f34079fbe1284639ff140a1d787e0d03a78"}], 0x68, 0x40804}, 0x20044880) socketpair(0xf, 0x3, 0x6, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$OBJ_PIN_PROG(0x6, &(0x7f00000002c0)={&(0x7f0000000280)='./file0\x00', r4}, 0x10) ioctl$PERF_EVENT_IOC_ID(r4, 0x80082407, &(0x7f0000000080)) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000400)={r3, &(0x7f0000000440)="81ded5ce4b00239b19dd803661f26c071099d599928781137aba6ef4aaa74b0d9823b770a1ea9f9dcb1afba32bf43c6030c45c1eb07f0c2b19c6b29b546bc5d4fb2c934dc5915a1d0163944b46ca91ab615e38", &(0x7f0000000140)=""/226}, 0x229) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000680)={&(0x7f0000000640)='./file0\x00', r4}, 0x10) 2018/04/01 11:59:46 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0x9, 0x807, 0x8, &(0x7f0000000940)={0xffffffffffffffff}) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000000980)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f00000009c0)={r1}) sendmsg(r0, &(0x7f00000003c0)={&(0x7f0000000000)=@ipx={0x4, 0x2, 0x6, "1400a089e8e4", 0x2}, 0x80, &(0x7f0000000340)=[{&(0x7f0000000080)="94bed684f450696ff76e59d4557147192e52aab945c0db9a25a98db59ac084319bf5a78a71fe2f9f5c85b97835e4ffe0fbd3f3c1cdb18f05ecf377163e3ad89b7f7a7745c62e3668e71b0b911d7695da3953a9445b41ce87197f02d030fddd7a8e1b45d64796fcf610785d5e401a1dcf3c5ac58edcdad1ec474f6a4f8f12e8ecf2aa18f08b3bb4493dfdc8a15db990f6f2ce131b290b9bd4a4f0f236ca535dab6f0f66bdc69831e4a00ca2b5182cd2b127045ae8dc55f9e036c8aa53059ed3b3e810add24fc4d5e62adaf394aab2ff8cc429c4eab431632ba6dc110147437540f41bfb7db8c0d21b2719f8418f", 0xed}, {&(0x7f0000000180)="f792fca76484679558470bca0500e2739c06d733f1379db253620fa3c2925e6870dc483dae421ff8b0826a2290da9d2151d8a59d57332ebbebb4657f30da7b114177bfb25d017d012a171b6835afac82941bd0e1f15696da", 0x58}, {&(0x7f0000000200)="39b75d8de7482e8ba99e1407fc8c2bd50183d3313aa94cc0ceb634e524c585730a6b4e4c72dadf459b526a18633ff3567107c17be43f5e011dc44a70b69aa66b2304a3f3208ff1042892faa3eb175734fb4d8acffb90d1cdf0ae42e4886c7329ecfd08ee13cdf2b799c621270199a5eb628ed2c3f485dfa39c41aa29ac65fbc38341d8a421f5650397375841be574a15181954b62d48fac2d527e9b56f2306daca63aac63f972d7b0f65038d06c480cb", 0xb0}, {&(0x7f00000002c0)="61807337e02285b5e13e", 0xa}, {&(0x7f0000000300)="85243b702363d1fcc4c3e132478a11f8ccf1911041", 0x15}], 0x5, &(0x7f0000000a00)=[{0x1010, 0x1, 0x7fffffff, "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{0x1010, 0x11e, 0x3ff, 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{0xc8, 0x117, 0x9, "ed737e0cd36a06575993aba415c9cf8c203bdcc32d1b19f441738c24c48aa791f43b9aa63d76d8929974aeea9cca67dceb3c53cf192dbc84dd15a072b56b0fd90cb5b6cee5dad8f1a24e5da1cb2ec6f41dbf235348869fc85dae6edc55739a8e9c30114006bcfc5618e0a4363066870e16f3bafa6f1ed4e6cd52689a5a519435927cb5ece0a222f33bcf401e3730d511cb96b5eb4aa32f7bea14455fd9f10ad232aab0bd97152f9339fe215d120a031b002b5f5fed4351d9"}], 0x20e8, 0x9d6342eac48581e3}, 0x0) 2018/04/01 11:59:46 executing program 4 (fault-call:1 fault-nth:29): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:46 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000440)={0xffffffffffffffff}) socketpair(0x3, 0x8000f, 0x2, &(0x7f0000000140)={0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000640)={&(0x7f0000000480)=@alg, 0x80, &(0x7f0000000600)=[{&(0x7f0000000500)=""/70, 0x46}, {&(0x7f0000000580)=""/107, 0x6b}], 0x2, 0x0, 0x0, 0x5}, 0x40000000) r2 = perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x400, 0x1, 0x100000001, 0x401, 0x0, 0x4, 0x22000, 0x1, 0xfff, 0x6, 0x3, 0x80, 0x7fffffff, 0x1, 0x8, 0x80000000, 0x3, 0x0, 0x8f, 0x81, 0x0, 0x1, 0x3, 0x3ff, 0xffffffffffffad72, 0x800, 0x8001, 0x4e64, 0x743793c8, 0xcad, 0x0, 0x1, 0x1, 0x0, 0x7fff, 0x7, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000000), 0x8}, 0x141, 0x0, 0x3, 0x0, 0xfffffffffffffffc, 0x40000000, 0x80000000}, 0xffffffffffffffff, 0xb, 0xffffffffffffff9c, 0x1) ioctl$PERF_EVENT_IOC_QUERY_BPF(r2, 0xc008240a, &(0x7f0000000100)=ANY=[@ANYBLOB="040000b000000000000000000000f7603127573600000000"]) ioctl$PERF_EVENT_IOC_RESET(r1, 0x2403, 0x100000001) mount(&(0x7f0000000180)='./file0/', &(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)='ramfs\x00', 0x2, &(0x7f0000000240)="6536ea27230243201b8938e0947a0839470c87b210cda16dd09314cc0bbdfc98882b9004ea98579ba5249316e8bcf2a3d48f0e1689b6fd7b8f50428a9e3a8be8d61f8e98f5ef424e16e8ebb1e4710cbadd70c3f6397cbcfa4291ac24cd5fb9cb6b4fde3564c063b7bdb5eb8aafa59b640f02de72b5166752c80d051636a020060892470ed5c50b7ea51a8f704eeb77f9dbb84d066b1034415fa1a2591a5e984e88dcd98489ed5f67d727b4f0fa999ef72f67a5f6fe01ba206ecf4fa9bc706210a84e4ca4d53617800bb8eb13919df151cd201d4e348fca077718c3d6148b24") 2018/04/01 11:59:46 executing program 2: socketpair$inet(0x2, 0x2, 0x2, &(0x7f00000014c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000001c00)={&(0x7f0000001500)=@ethernet={0x0, @local}, 0x80, &(0x7f0000001b00)=[{&(0x7f0000001580)=""/243, 0xf3}, {&(0x7f0000001980)=""/216, 0xd8}, {&(0x7f0000001a80)=""/109, 0x6d}], 0x3, &(0x7f0000001b40)=""/189, 0xbd, 0x1}, 0x10000) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) bpf$OBJ_GET_PROG(0x7, &(0x7f0000001e40)={&(0x7f0000001e00)='./file0\x00', 0x0, 0x18}, 0x10) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = perf_event_open(&(0x7f0000001ec0)={0x4, 0x70, 0x5, 0xe0, 0x4, 0x81, 0x0, 0x9, 0x2000, 0xc, 0x400, 0x9, 0x7e, 0x4, 0x80, 0x2, 0x1, 0xff, 0x4, 0x2, 0x3ff, 0x1, 0x1f, 0x1, 0x21a4, 0x4, 0xfffffffffffffbdb, 0x5, 0xac, 0xdea, 0x3, 0x4, 0x6, 0x2, 0x4, 0x400, 0x3, 0x5, 0x0, 0x0, 0x5, @perf_bp={&(0x7f0000001e80), 0x2}, 0x90a, 0xffff, 0xff, 0x7, 0x8, 0x3}, 0xffffffffffffffff, 0xf, 0xffffffffffffffff, 0xa) ioctl$PERF_EVENT_IOC_RESET(r2, 0x2403, 0xfffffffffffffffb) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000001680)) sendmsg(r1, &(0x7f0000000200)={&(0x7f0000000380)=@nfc={0x27, 0x1, 0x2}, 0x80, &(0x7f0000000140)=[{&(0x7f0000000440)="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", 0x1000}], 0x1, &(0x7f0000001740)=ANY=[@ANYBLOB="d0000000000000003a000000060000006cbd3e931c55ffc377a11c560f0b60c5921f212074fb37d3f814e92813da6c17c5f36774e298d6abe1ffdf796297b5a5b413c5ed59245390c6ffbea5ee9a084553a4c4859c6002410c7ee4edac6cfe6a5477f6bcebe69ad736b10d30fae4fd785ab35f61d042eaa43390e734138e1e1bc948e6373c35ffb5804488c4579cd4a038c6d8a1e8a09b6e1931ca151289794ae20f56788fca9bdf59019438ab908f60cdd04d301deffcae942dcc43d4ab3033f6b1499fa3ab1f61f76ea89b4f572ee879581fd4be03c6131000000000000000b8000000000000001401000080000000e4b6c663098aa23610f0a04c7397b232d394f8022a6681ba5a1e176a870bbfa53bd82e4761c7535b2816c396c2fa8a41749bd01d670f7eb8cd14f30fb75011a08aabd897a52d03d550da49c1181041458b8863cd686c09e26fe7030bb43f208bfc176753502cce50f0d913559f7eef96053b853fdf30d9db08fb1083f4b805842077f375b61b08c24b0130a91e221bd627f45f39fa6c720c0a7a0c2333d5a645d3bab6330000000088000000000000003d010000010000003b563c33c0bbee109222d564f462415e8acae8025e6064d50affae4e1a0d4eb986233f7a4c62eab7f1c71208af1b63378e92fe3f79aa31cd1dcc73e5133fb653a627f75322377d1eeca0b494bf6e1d14828e85058964f87a2ea1ae308ec9f5d19756baf030abaa597b691dbc6fc9da166d62000000000000f5643eabbb9d675cb5372b26b7d6db16c381186b409e4354f51b41"], 0x210, 0x20000000}, 0x8000) r3 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000001440)={0xffffffff, 0x9, 0x10}, 0xc) mount(&(0x7f0000001c40)='./file0\x00', &(0x7f0000001c80)='./file0\x00', &(0x7f0000001cc0)='afs\x00', 0x200000, &(0x7f0000001d00)="0a9fe7c9131cf677629582f2e34d5b15735250de2cf23d607e8682452acc3d4b23ca921bef88aa77be25dcb3696428e5eeb379eb6f3bc6d5a11b87e806f54a31e7b9dcd7db715fc53a79be6aba55fd116428094f2e130dc9690d8dcda7d34665156d410b29f4ce9c6b5b00a0d07e58bea41ecb4761eef34f27c3453f886cd4ada8a141c08ff42043e5f832691b76f5dd63e0f232a85edddb1692db7d46e587b3032424574f87c66815ee431997492c8eeeae02335827d2adf08350502f866d766ee8c89e0ef6c29d306c448a63d98ef230443ec10005bf8b41a4cd7385ebbcd26075e74b428f8f68f6caf7213cc9") bpf$OBJ_PIN_MAP(0x6, &(0x7f0000001480)={&(0x7f00000002c0)='./file0\x00', r3}, 0x10) bpf$MAP_CREATE(0x0, &(0x7f00000016c0)={0xb, 0xffff, 0x3, 0xa4f8, 0x4, 0xffffffffffffffff, 0x8}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="85000000240000011f71000004000000ae00000000000000"], &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000001700)='squashfs\x00', 0x20, 0x0) socketpair(0xe, 0x80001, 0x0, &(0x7f0000001f40)) 2018/04/01 11:59:46 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$kcm(r0, &(0x7f0000000380)={&(0x7f0000000040)=@un=@abs={0x0, 0x0, 0x4e20}, 0x80, &(0x7f0000000240)=[{&(0x7f00000000c0)="1935661e4fbd569390f655dc98ef8b384195caf5", 0x14}, {&(0x7f0000000100)="75a6e8259bf03d235ef830c172c2c61b2ff71bdacd9d0e8803b4f33706c7f2ddcf415196f515b04fd018e994a693efab1cfabb54036000c660f1550047071664966c8fb50759e7daf3b7f490384a02e67d7508589469e1fa6e52fb746faeb136fdf89cfacbb42bea00bc557935d75eeb0632025e41580ea8", 0x78}, {&(0x7f0000000180)="4119942b34bc6a6393144c2bd02e92cc1de779a5d093603b5367d50b8d9481617a50ded115407e6c1dc4042683c74ceacdfb0172965adfed090a90f346c7330bbd0f6d2bc927b80f1d6397f9076dd51f63358533dc3fd0a97fe4854a17596d4a1f5e25d30b17430e30e18172c7334e46291fffa964082824861faab3a6d6500585e09d910279517f3c5f2c11609e40", 0x8f}], 0x3, &(0x7f0000000680)=ANY=[@ANYBLOB="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"], 0xc8, 0x8000}, 0x4) 2018/04/01 11:59:46 executing program 7: recvmsg(0xffffffffffffff9c, &(0x7f0000000a40)={&(0x7f00000006c0)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, 0x80, &(0x7f00000009c0)=[{&(0x7f0000000740)=""/251, 0xfb}, {&(0x7f0000000840)=""/237, 0xed}, {&(0x7f0000000940)=""/67, 0x43}], 0x3, &(0x7f0000000a00)=""/47, 0x2f, 0x6}, 0x20) recvmsg(r0, &(0x7f0000000280)={&(0x7f0000000a80)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @ipv4}}}, 0x34, &(0x7f0000000100), 0x1000000000000210, &(0x7f0000002b80)=""/35, 0xe, 0xffffffffffffffe1}, 0xfffffffffffffffd) close(r0) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000080)={0x8, 0x6, 0x2, 0x2, 0x0, 0x1, 0x8}, 0x2c) recvmsg(r1, &(0x7f0000001e40)={&(0x7f00000002c0)=@alg, 0x80, &(0x7f0000001d80)=[{&(0x7f0000000b00)=""/4096, 0x1000}, {&(0x7f0000000100)=""/1, 0x1}, {&(0x7f0000000340)=""/133, 0x85}, {&(0x7f00000004c0)=""/231, 0xe7}, {&(0x7f00000005c0)=""/133, 0x85}, {&(0x7f0000001b00)=""/137, 0x89}, {&(0x7f0000000400)=""/82, 0x52}, {&(0x7f0000001bc0)=""/233, 0xe9}, {&(0x7f0000001cc0)=""/151, 0x97}], 0x9, &(0x7f0000000680)=""/42, 0x2a, 0x85}, 0x1) bpf$MAP_DELETE_ELEM(0x3, &(0x7f00000000c0)={r2, &(0x7f0000000180)="f8d0a4cd93625ff69f4672779eb9b63fb19fb91baa5dc85aaf457b625c3ab0d846d1e09b48668616686c1b21c982fa12aaec31862c0ec244a6dc4686d0f2f30def7ef2e2273f4a368cf596fd66620b7b54feddfae73e2ed10e67f90905a52908b5bf999ca8db24a101938dd74588c2b4a4c54ab8b0f62b0afd451131fe6bfa9e6310966f467e1a27b7a84cf7aa2d745732c64bbb8f51dbbffafa4d6c024c2fb2cd33d25ef687eb1d9fe8b3cf2a7a392b952a4a13bad69022a44f4278c476b9953173db5f55d0eceee4995d32a8b41ddaa1210e622a3c856af4da68a3a69d2b9f34d7"}, 0x10) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:46 executing program 3: socketpair$inet6_sctp(0xa, 0x5, 0x84, &(0x7f0000000080)) [ 177.587672] FAULT_INJECTION: forcing a failure. [ 177.587672] name failslab, interval 1, probability 0, space 0, times 0 [ 177.599006] CPU: 1 PID: 13316 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 177.606282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.615640] Call Trace: [ 177.618236] dump_stack+0x194/0x24d [ 177.621869] ? arch_local_irq_restore+0x53/0x53 [ 177.626540] ? __save_stack_trace+0x7e/0xd0 [ 177.630871] should_fail+0x8c0/0xa40 2018/04/01 11:59:46 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) r0 = perf_event_open(&(0x7f0000001580)={0x7, 0x70, 0x4, 0x81, 0x6, 0x6a, 0x0, 0x7, 0x2, 0x1, 0x40, 0x2, 0x5, 0x8, 0x9, 0x7f, 0x8001, 0xb4de, 0x7, 0x6, 0x7, 0x20, 0x3f, 0x3, 0x3, 0x8, 0x1, 0x10001, 0xffffffff, 0x5, 0x8, 0x1, 0x80000000, 0x8001, 0x56, 0x100000000, 0x0, 0xd8a6, 0x0, 0x6, 0x0, @perf_bp={&(0x7f0000001540), 0x1}, 0x20108, 0x1, 0x80000000, 0x3, 0xfffffffffffffbe9, 0x200, 0x7}, 0xffffffffffffffff, 0x2, 0xffffffffffffff9c, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r0, 0xc008240a, &(0x7f0000001600)={0x40000000000002da, 0x0, [0x0, 0x0, 0x0, 0x0]}) r1 = socket$kcm(0x29, 0x7, 0x0) sendmsg$kcm(r1, &(0x7f0000001500)={&(0x7f0000000000)=@alg={0x26, 'aead\x00', 0x0, 0x0, 'rfc7539(ecb-cast5-avx,rmd128)\x00'}, 0x80, &(0x7f0000000080)=[{&(0x7f0000000100)="0995fbe3bebb01000b8bef55715579db9601db776cfade4759d3ecaa0e46a9ec35510424792344d85b5badd9c80599298cc2bd34bd00e95fb330b61c22210851f9b73e9f77b182b588155c921d9ca1371a703d1bedba9ae91b36f60ad156d7f02181539cd77c2a43228d25b9d749c7bd60fb9b9edda71ba1621165c6a0cb25811ed859ad5c091f615bc2b4a57fb7d327ba9277d5d84b990404a0675d77fb1b8df9b8bb29624adf5dba498a4e5e7fb2890cbdfdf7e3aa274e112836e7d8da175b6211bda7dd20993ce7ef46038b2810ff45c90891fa2e5156f628d340", 0xdc}, {&(0x7f0000000200)="25d3ce07421fea175876d7573d8f899b618dc42ef4696f1bc096cf47b004af44a61532fa4e9e0a673dcbdd349df8c7a8ef0c1510cb726f79582e2ed1b6a18bb5af72e60e9de4f31d48cf5b49351dd1657dc84aef2f235d66d98758b4db0641f3cee5b476737ea8abc06eee4e4b60269add7731b0b277989204c61e537ecb23c23f3e", 0x82}], 0x2, &(0x7f0000001640)=ANY=[@ANYBLOB="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0x1240, 0x4}, 0x4000000) 2018/04/01 11:59:46 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) 2018/04/01 11:59:46 executing program 1: ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000003c80)={0xffffffffffffff9c}) sendmsg$kcm(r0, &(0x7f0000004040)={&(0x7f0000003cc0)=@l2={0x1f, 0x0, {0x3, 0x7f, 0x3, 0x1, 0x81, 0x5}, 0x0, 0x3}, 0x80, &(0x7f0000003e40)=[{&(0x7f0000003d40)="0e1d90d62a0213152054b7ab64489a4d1b537b64ffef80a847e03af85311ff10a1a6c5a04dc3aa9b75875b65aa591d39bd6a0deb5cf95bc14a3f90541ae3265e4929a6594cde69e816135ab3f95709a1cfa32c3b48c61c2d4b23a088d4da19ff666e5e46264e70d5a4e381512d6358d9b934278c0b24fc9c7601882441f3680afd1802dba42cb89db8e2de99b7e814a1eef0f9b243a9089b7e75ecb3794cfb13c133a8502a79aca09833bea9445857bc7f5ec5b34a5c29ccce7fc5d27a66824d171f", 0xc2}], 0x1, &(0x7f0000003e80)=[{0xc8, 0xff, 0x1, "109d0f209f1e47959cd46da3cdfd25a2547ca7d63fabc3efe3c260f8609f612cb6d8dffd820318981ce8dfaa9a2e77cda4a07f227cea2939b2a9ddf9520de5cccfa9e71bb12236e35a9c121496d0e936c18fe6ba7c72dba79c71a1243a9184ae9e6e97721e29c3869286008a4fe0b156fe5325daf108087d7cc5aef0e941a384efe6beb0b314339aecd612543a65113c16682e2ce5dde675be79569e37bc1c522b1c7e49986d14bbdb042fa8e7ed62d36aef4940d82e94"}, {0x80, 0x110, 0x4, "18e940206e5cb65dc5577d9e1d71b92d2af0a94d2f993b1b5d769ad17fd49646bddc685463e855f107afef8c8d42cb2fa9985487548ac4374c0f604bda74b4126a5039c15da176d1fc53acbd2a73c99f5fa8717966724ff18ea3ad19b064b6a0bb616d25cb38f6b1f132"}, {0x60, 0x11, 0xfffffffffffffff8, "31e833c05e55053459e1e41297632945d982f2378109a503d8a94ce27d678443e418e0eab30d35edb928844a7f060acac3454599f7bed30d163ce54a6b88e890b5fb24d31fbebcfad91bf81755"}], 0x1a8, 0x40000}, 0x8000) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) r1 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000340)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) ioctl$sock_kcm_SIOCKCMATTACH(r0, 0x89e0, &(0x7f0000000380)={r0, r1}) mkdir(&(0x7f00000002c0)='./file0\x00', 0x14) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f00000003c0)) r2 = socket$kcm(0x29, 0x7, 0x0) recvmsg$kcm(r2, &(0x7f0000000280)={&(0x7f0000000000)=@hci, 0x80, &(0x7f0000000180)=[{&(0x7f00000004c0)=""/4096, 0x1000}, {&(0x7f0000000080)=""/196, 0xc4}, {&(0x7f00000014c0)=""/4096, 0x1000}], 0x3, &(0x7f00000001c0)=""/181, 0xb5, 0xffff}, 0x100) [ 177.634592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 177.639707] ? kasan_kmalloc+0xad/0xe0 [ 177.643606] ? kmem_cache_alloc_trace+0x136/0x740 [ 177.648495] ? __memcg_init_list_lru_node+0x169/0x270 [ 177.653693] ? __list_lru_init+0x544/0x750 [ 177.657931] ? sget_userns+0x6b1/0xe40 [ 177.661823] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 177.666581] ? do_mount+0xea4/0x2bb0 [ 177.670317] ? SyS_mount+0xab/0x120 [ 177.673946] ? do_syscall_64+0x281/0x940 [ 177.678010] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 177.683376] ? find_held_lock+0x35/0x1d0 [ 177.687438] ? __lock_is_held+0xb6/0x140 [ 177.691509] ? check_same_owner+0x320/0x320 [ 177.695835] ? rcu_note_context_switch+0x710/0x710 [ 177.700771] should_failslab+0xec/0x120 [ 177.704750] kmem_cache_alloc_trace+0x4b/0x740 [ 177.709335] ? __kmalloc_node+0x33/0x70 [ 177.713308] ? __kmalloc_node+0x33/0x70 [ 177.717283] ? rcu_read_lock_sched_held+0x108/0x120 [ 177.722309] __memcg_init_list_lru_node+0x169/0x270 [ 177.727331] ? list_lru_add+0x7c0/0x7c0 [ 177.731305] ? __kmalloc_node+0x47/0x70 [ 177.735288] __list_lru_init+0x544/0x750 [ 177.739359] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 177.740997] EXT4-fs (sda1): re-mounted. Opts: (null) [ 177.745245] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 177.745260] ? lockdep_init_map+0x9/0x10 [ 177.745273] sget_userns+0x6b1/0xe40 [ 177.745285] ? kernfs_sop_show_path+0x190/0x190 [ 177.745299] ? kernfs_sop_show_options+0x180/0x180 [ 177.745309] ? destroy_unused_super.part.6+0xd0/0xd0 [ 177.745324] ? check_same_owner+0x320/0x320 [ 177.745332] ? rcu_pm_notify+0xc0/0xc0 [ 177.745345] ? rcu_read_lock_sched_held+0x108/0x120 [ 177.745356] ? kmem_cache_alloc_trace+0x459/0x740 [ 177.796679] ? lock_downgrade+0x980/0x980 [ 177.800834] kernfs_mount_ns+0x13d/0x8b0 [ 177.804901] ? kernfs_super_ns+0x70/0x70 [ 177.808970] sysfs_mount+0xc2/0x1c0 [ 177.812599] ? sysfs_kill_sb+0x40/0x40 [ 177.816491] ? alloc_pages_current+0xbe/0x1e0 [ 177.820987] ? security_sb_copy_data+0x81/0xb0 [ 177.825570] mount_fs+0x66/0x2d0 [ 177.828936] vfs_kern_mount.part.26+0xc6/0x4a0 [ 177.833520] ? may_umount+0xa0/0xa0 [ 177.837151] ? _raw_read_unlock+0x22/0x30 [ 177.838785] EXT4-fs (sda1): re-mounted. Opts: (null) [ 177.841293] ? __get_fs_type+0x8a/0xc0 [ 177.841306] do_mount+0xea4/0x2bb0 [ 177.841320] ? copy_mount_string+0x40/0x40 [ 177.841330] ? rcu_pm_notify+0xc0/0xc0 [ 177.841341] ? copy_mount_options+0x5f/0x2e0 [ 177.841352] ? rcu_read_lock_sched_held+0x108/0x120 [ 177.871317] ? kmem_cache_alloc_trace+0x459/0x740 [ 177.876165] ? kasan_check_write+0x14/0x20 [ 177.880422] ? _copy_from_user+0x99/0x110 [ 177.884578] ? copy_mount_options+0x1f7/0x2e0 [ 177.889079] SyS_mount+0xab/0x120 [ 177.892535] ? copy_mnt_ns+0xb30/0xb30 [ 177.896423] do_syscall_64+0x281/0x940 [ 177.900307] ? vmalloc_sync_all+0x30/0x30 [ 177.904448] ? _raw_spin_unlock_irq+0x27/0x70 [ 177.908926] ? finish_task_switch+0x1c1/0x7e0 [ 177.913401] ? syscall_return_slowpath+0x550/0x550 [ 177.918319] ? syscall_return_slowpath+0x2ac/0x550 [ 177.923224] ? prepare_exit_to_usermode+0x350/0x350 [ 177.928229] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 177.933578] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 177.938416] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 177.943585] RIP: 0033:0x454e79 [ 177.946752] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 177.954439] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 177.961694] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 177.968945] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 177.976191] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 177.983447] R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000001d 2018/04/01 11:59:46 executing program 3: mkdir(&(0x7f0000000240)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0x3b7, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x5, 0x3, &(0x7f0000346fc8)=@framed={{0x18}, [], {0x95}}, &(0x7f00000001c0)='GPL\x00', 0xfffffffffffffffc, 0xfb, &(0x7f0000000080)=""/251}, 0x48) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000180)='GPL\x00') ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1) ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1) mkdir(&(0x7f0000000340)='./file0/file0\x00', 0xfffffff) ioctl$PERF_EVENT_IOC_REFRESH(r0, 0x2402, 0xfd1b) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:46 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair(0xd, 0x7, 0x8, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$ax25(0x3, 0x0, 0xcd, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000000100)={r1}) ioctl$PERF_EVENT_IOC_ID(r0, 0x80082407, &(0x7f0000000180)) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:46 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000140)) 2018/04/01 11:59:46 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000001980)) socketpair$packet(0x11, 0x0, 0x300, &(0x7f0000000000)={0xffffffffffffffff}) recvmsg(r0, &(0x7f0000001940)={&(0x7f00000002c0)=@rc, 0x80, &(0x7f0000000440)=[{&(0x7f0000000340)=""/233, 0xe9}], 0x1, 0x0, 0x0, 0x1ff}, 0x40000041) sendmsg(r0, &(0x7f0000000280)={&(0x7f0000000040)=@sco={0x1f, {0xa4, 0x7, 0xa7, 0xfffffffffffffffe, 0xfffffffffffffff8, 0x800}}, 0x80, &(0x7f0000000240)=[{&(0x7f00000000c0)="7afcd642ebde08f18f954669568aa0bf102d8fec392318f912002545b6beaa2950b8a4701bb7bf37acc42bd4b2ecdf6506af0039e174f86367096e585ef4e8b2239caa36ee107ffa7fefbf4a8632f253aab53519", 0x54}, {&(0x7f0000000140)="b01b32e7a5cc669a48511a373c732184fcf789253c9faf1a9c7a7569f9702a90bf37dce4c0c5cbaaaa58d2", 0x2b}, {&(0x7f0000000180)="5297e4f425e2e24f260ba1ca9e92eda3ddf44c6dd25be1c75dea8adabd882d6d179e94aac73dbdae56a9cc064b159f08232a539928d20e57090604479c9c5ae2bff1d48aff24f1076eed6d0d0299cda4221a51e7fe950ecca95c6c0e9d0804c5652b296502d290e6af42c1e2afcea537cba45c89b6a188520e7179c8a48f9fb5ea95b7729027c2382ff1b94512768ba0af8babb82c5ec59084533dac9068a0fdf82bc18a8644df251b75", 0xaa}], 0x3, &(0x7f00000004c0)=[{0xd0, 0x10f, 0x4010000000000, "20338f9465030f8afb16c2194cc9eea2446424cba1b97ed83309e6128610aa42ad33fde660916d5e39679d6b2d955a5dbada185525853d94cdb52fa00d53f4c8c0eaf660a79182eeb29e1de4fb678b52ba0744519649d93dec0c93dec2ad4a2b1247f59ab7bfa927bb09eddf87c7f1a069a041a8a362055ebaedf14b936b83a37468f05a939b3ed180d8c1767d45a8e6a6361588a3595738d7d278c0308a791584e0270871b8a18bef6cba8159e7a3023cd922fa7dab27b8a1fb69"}, {0xe0, 0x109, 0x4, "f971d5b3b5b9a2e88f939225411c29853ba5ce492393d9d0a232c653301d18a400badc793443caa36e25799ba9de59b1aa17087dd38a2bd6f70ac33600253e961bb761a94e519496ba9dcac362793129db7f09f4708b6aac8ad816a3e622b99ec777fc69b73bfa75a8cc7901cc4ef30e13ef7ea6825160b06b53da101c6403690dcaf6584b8decdc653828a7b49f4ffd0fa7cb6462aa0185ed69bfea46a2ba68ed417fc84d6b0612cd82f7d05e059b9f4fecd9f4536c251fc72c93573bb2f15bdfdfd627e2b6e57b70cf0b33bd11"}, {0x10, 0x19c}, {0xe0, 0x110, 0x80000001, "f75ba27fb184b74f7eb9f5159696d85c3e166220448e8c1697ab28ebc2c54c4cc2a742e8590fc481238c6d0294ff064ee175f6e79d992988b8c6e01e64c01dad93fec1aaa0b3c13e1fb272a4dcf7cb1c425fb23bced608b87b61b56f7d34a7398cfd66ddba05f8e3d40c3c53820506d707361e0cac3c3d2a1dc0c8916a9eace31c926fc208075d2b352f2a672688146f67583b3851cd3f78de5bae10e8a9680cd7a490916f50c654771a496e149128514c603d52f348da4434b5001f32c77b25c44d4edb0c044e6a6d5b226b"}, {0x40, 0x1ff, 0x7fffffff, "bc4b125bf1d752b5218a4d31540817e01c74a3dd1257f2ce6598cb1db4728af6467bbd077f250a05e690c57bd5a22530"}, {0x1010, 0x11d, 0x5b7a, "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"}, {0xc0, 0x6, 0x7, "e7f6e6a7bf22a84719a5237fe250518621765300bb7fa6be2ae957f4487fa601a448ec7f6dca94e23e428059424fa0c9384a405510e426acdca0829c4b6617160cacadf08ef3d501bd6792e1067347a59dc61c80c0dc838e655ce7a67e9a80d40c575067e9e012c9445cb5adc8172bd25c10a7231193c02db74a91203c7a1bc01b47f242491c7d1e73e6e4c8b59f0823a7f55f50212d046ed59d56525b519c6bb5139fc1e50df08242aba3"}, {0xd0, 0x12d, 0xffffffffffffffdf, "529bc939fa114b326aaa598cc6c654ed921f20506a958e747384c34a1357e8b510b5517f4825ce373599082b5b02f74b152ac6f0a3a9c348ae4ab92a0533880e7e435312c4ac278a614eabe9677a0cdace92c7fb8c0d7e6f8f7c23b0f3f4aa3b8d2b0785c828387ae1c31290476f71fe2988848c4640ed872a33b62836d8f6c4e38041c794b2edeacd5e53c25641cec49c298b0914dce06e37ed0b2e88f866369a8e9a98d0180730851275ab0e11481d8cc58d03064c35d435"}], 0x1480, 0x20004000}, 0x8080) 2018/04/01 11:59:46 executing program 1: ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000440)={0xffffffffffffffff}) sendmsg$kcm(r0, &(0x7f0000001d00)={0x0, 0x0, &(0x7f0000001700)=[{&(0x7f00000014c0)="388d387259dc52e466fc005636a47883f000c5bf705153b3e472cd1546f5657afa5959b0960a94d2cc61ba9811ec1b8101f0c4de411dfa14c426e9480c8be6d26cd02a6f9b76ef700bc2b6df21bdb577feb6b28531d06cb6a7f804d6680bc16364b8f3258dc657341d615c808d8723622cad7dbe20b002ebdfcbd8c626dd4a758634285b57b633ac77699b234b866a93cd9440bcfe68572951e89db8d5b466f0c7811d863616323470781f6afce1c2e3faab8e2463acd12ad7bd42f49e34e3908835c13851", 0xc5}, {&(0x7f00000015c0)="f922f6fb31ae", 0x6}, {&(0x7f0000001600)="6bb7ba762317cafe6a7676a92106303c4ba417f4991eb5a2c78e737e34cf22e934bef1609fcacd8a3bbafb56c588921e4e50d2a3d71285823007d16621234d9a24d9f4683ca201c33f473967efa0777ca617cf71636334e199d84e8ab6566763c230581fb02e3528058cf98bab425e1bb4bc1d4d3a78139ccfaa0be4c5b060efcf275dd8d95e2704", 0x88}, {&(0x7f00000016c0)="3a6c4f33a8113f3b3502c1e57caae16aba63550f296862da36b546d14af1cafdbdc005f206ee95b11e3c206c3a6167a17f873a344ba9826c37265bf2", 0x3c}], 0x4, &(0x7f0000001740)=ANY=[@ANYBLOB="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"], 0x588}, 0x8040) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xc, 0xe, &(0x7f0000000080)=@raw=[@map={0x18, 0x4, 0x1, 0x0, 0x1}, @initr0={0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81}, @call={0x85, 0x0, 0x0, 0x22}, @generic={0x1ff, 0x9, 0x8, 0x8}, @exit={0x95}, @initr0={0x18, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x9}, @jmp={0x5, 0xffffffffffffff01, 0xf, 0xf, 0x477bc8c8aee67784, 0xffffffff, 0x4}], &(0x7f0000000100)='GPL\x00', 0x2c00, 0x9, &(0x7f0000000140)=""/9, 0x41f00, 0x1}, 0x48) ioctl$sock_kcm_SIOCKCMATTACH(r0, 0x89e0, &(0x7f0000000200)={r0, r1}) socketpair(0x15, 0x7, 0x2, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000380)={r2, &(0x7f0000000280)="731486c9f819845d7eefa2ba9bb75a1137ec05782516a301903753dbe26397f8602bdd26c02c21a5d065e621640a95c9fff8b07c4f77c1300c237c8c69c244002e13bea165372b6846f571690e", &(0x7f0000000300)=""/107}, 0x18) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x10}, 0x10) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000004c0)={r2, 0x50, &(0x7f00000003c0)={0x0, 0x0}}, 0x10) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000500)=r3, 0x4) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:46 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000640)='./file0\x00', 0x80) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0xf, 0x10001, 0x9, 0x6, 0x1, 0x1, 0x40}, 0x2c) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000140)={r0, &(0x7f0000000380)="628cd280687d7f9d323dcee4fa06cb49853e51136ec18e62dc7380208b1acdc436decb8290f34d0730e45f538a1493c4602255b3e957649c5573dc3380a1b6280ed3ea74dd9ccd9a1eec4717851fc07fa7f08c78dfc59b419b3013c281c89bd3994875ca7384e8934a68e17b976b6d66a3e37528b6d1"}, 0x10) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000001840)=[{&(0x7f0000000440)=""/161, 0xa1}, {&(0x7f0000000500)=""/201, 0xc9}, {&(0x7f00000018c0)=""/205, 0xcd}, {&(0x7f0000001ac0)=""/4096, 0x1000}, {&(0x7f00000019c0)=""/199, 0xc7}, {&(0x7f0000001800)=""/54, 0x36}], 0x6}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000200)='./file0\x00', &(0x7f00000002c0)="026f1473717c617368", 0x20, 0x0) 2018/04/01 11:59:46 executing program 5: socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000000)) mkdir(&(0x7f00000000c0)='./file0/', 0x0) 2018/04/01 11:59:46 executing program 4 (fault-call:1 fault-nth:30): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) [ 178.049911] syz-executor2[13363] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 178.058857] FAULT_INJECTION: forcing a failure. [ 178.058857] name failslab, interval 1, probability 0, space 0, times 0 [ 178.074313] EXT4-fs (sda1): re-mounted. Opts: (null) [ 178.081428] CPU: 0 PID: 13364 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 178.081435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.081439] Call Trace: [ 178.081456] dump_stack+0x194/0x24d [ 178.081471] ? arch_local_irq_restore+0x53/0x53 [ 178.114138] ? __save_stack_trace+0x7e/0xd0 [ 178.118478] should_fail+0x8c0/0xa40 [ 178.122190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 178.127283] ? kasan_kmalloc+0xad/0xe0 [ 178.131153] ? kmem_cache_alloc_trace+0x136/0x740 [ 178.135982] ? __memcg_init_list_lru_node+0x169/0x270 [ 178.141152] ? __list_lru_init+0x544/0x750 [ 178.145368] ? sget_userns+0x6b1/0xe40 [ 178.149242] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 178.153987] ? do_mount+0xea4/0x2bb0 [ 178.157684] ? SyS_mount+0xab/0x120 [ 178.161298] ? do_syscall_64+0x281/0x940 [ 178.165342] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 178.170694] ? find_held_lock+0x35/0x1d0 [ 178.174739] ? __lock_is_held+0xb6/0x140 [ 178.178784] ? check_same_owner+0x320/0x320 [ 178.183089] ? rcu_note_context_switch+0x710/0x710 [ 178.188012] should_failslab+0xec/0x120 [ 178.191972] kmem_cache_alloc_trace+0x4b/0x740 [ 178.196539] ? __kmalloc_node+0x33/0x70 [ 178.200495] ? __kmalloc_node+0x33/0x70 [ 178.204464] ? rcu_read_lock_sched_held+0x108/0x120 [ 178.209467] __memcg_init_list_lru_node+0x169/0x270 [ 178.214471] ? list_lru_add+0x7c0/0x7c0 [ 178.218427] ? __kmalloc_node+0x47/0x70 [ 178.222491] __list_lru_init+0x544/0x750 [ 178.226628] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 178.232496] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 178.237496] ? lockdep_init_map+0x9/0x10 [ 178.241540] sget_userns+0x6b1/0xe40 [ 178.245234] ? kernfs_sop_show_path+0x190/0x190 [ 178.249886] ? kernfs_sop_show_options+0x180/0x180 [ 178.254796] ? destroy_unused_super.part.6+0xd0/0xd0 [ 178.259989] ? check_same_owner+0x320/0x320 [ 178.264307] ? rcu_pm_notify+0xc0/0xc0 [ 178.268186] ? rcu_read_lock_sched_held+0x108/0x120 [ 178.273183] ? kmem_cache_alloc_trace+0x459/0x740 [ 178.278019] ? lock_downgrade+0x980/0x980 [ 178.282148] kernfs_mount_ns+0x13d/0x8b0 [ 178.286188] ? kernfs_super_ns+0x70/0x70 [ 178.290230] sysfs_mount+0xc2/0x1c0 [ 178.293837] ? sysfs_kill_sb+0x40/0x40 [ 178.297702] ? alloc_pages_current+0xbe/0x1e0 [ 178.302207] ? security_sb_copy_data+0x81/0xb0 [ 178.306771] mount_fs+0x66/0x2d0 [ 178.310118] vfs_kern_mount.part.26+0xc6/0x4a0 [ 178.314680] ? may_umount+0xa0/0xa0 [ 178.318287] ? _raw_read_unlock+0x22/0x30 [ 178.322413] ? __get_fs_type+0x8a/0xc0 [ 178.326280] do_mount+0xea4/0x2bb0 [ 178.329812] ? copy_mount_string+0x40/0x40 [ 178.334026] ? rcu_pm_notify+0xc0/0xc0 [ 178.337893] ? copy_mount_options+0x5f/0x2e0 [ 178.342290] ? rcu_read_lock_sched_held+0x108/0x120 [ 178.347284] ? kmem_cache_alloc_trace+0x459/0x740 [ 178.352104] ? kasan_check_write+0x14/0x20 [ 178.356315] ? _copy_from_user+0x99/0x110 [ 178.360440] ? copy_mount_options+0x1f7/0x2e0 [ 178.364917] SyS_mount+0xab/0x120 [ 178.368346] ? copy_mnt_ns+0xb30/0xb30 [ 178.372214] do_syscall_64+0x281/0x940 [ 178.376087] ? vmalloc_sync_all+0x30/0x30 [ 178.380217] ? _raw_spin_unlock_irq+0x27/0x70 [ 178.384693] ? finish_task_switch+0x1c1/0x7e0 [ 178.389168] ? syscall_return_slowpath+0x550/0x550 [ 178.394090] ? syscall_return_slowpath+0x2ac/0x550 [ 178.398998] ? prepare_exit_to_usermode+0x350/0x350 [ 178.404020] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 178.409364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 178.414201] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 178.419368] RIP: 0033:0x454e79 [ 178.422533] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 178.430221] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 178.437472] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 178.444723] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 178.451970] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 2018/04/01 11:59:47 executing program 6: socketpair(0x7, 0x80005, 0x1, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000100)={&(0x7f0000000080)='./file0\x00', r0}, 0x10) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000000)={0x0, r2, 0x5, 0x1}, 0x14) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000340)=0x7, 0x4) r3 = socket$kcm(0x29, 0x10001004, 0x0) recvmsg$kcm(r3, &(0x7f0000006fc0)={&(0x7f0000005ac0)=@can={0x0, 0x0}, 0x80, &(0x7f0000006f40)=[{&(0x7f0000005b40)=""/51, 0x33}, {&(0x7f0000005b80)=""/194, 0xc2}, {&(0x7f0000005c80)=""/4096, 0x1000}, {&(0x7f0000006c80)=""/87, 0x57}, {&(0x7f0000006d00)=""/194, 0xc2}, {&(0x7f0000006e00)=""/239, 0xef}, {&(0x7f0000006f00)=""/4, 0x4}], 0x7}, 0x122) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000640)={r1, 0x50, &(0x7f00000005c0)}, 0x10) socketpair(0x2, 0x6, 0x25, &(0x7f00000006c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_PERIOD(r5, 0x40082404, &(0x7f00000003c0)=0x3596) sendmsg$kcm(r3, &(0x7f0000008700)={&(0x7f0000007000)=@can={0x1d, r4}, 0x80, &(0x7f00000084c0)=[{&(0x7f0000007080)="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", 0x1000}, {&(0x7f0000008080)="5b50c3a817b508d12cf8db6e7a317f53b6275d0b411cd0b212a84e5f9e26c86961e9736eebc88055ddd0bef23d9d8ec834b4b2c406dc05a77187c81da51fe80726330fa0046339e3f123dc65eb24495aa491105693a80562e944ce8f735d59bc61743490853749b97d0eac2929d2d83445e16b1e571e503559d74ce8863759c22ab085896c935d75001b1648003f645025", 0x91}, {&(0x7f0000008140)="b774e3119c7817b6abfa16eb2021469dffb8273da3913fb84350478def420a5698969a960fd5a6338f72c7cff759631f1182b0dba78c1ec997d2774fd1d33c94879393bce7d0f9a4446326d33ee24b220e70d53752f3e8ee2ef1ad100894f21ae4938704f9d68da02ad912487a7b99e8422a498f620e0b15e18cf9d1c054b304a8273a97c2c7bdc0104aa78313ca97afee465a42bfdc8982c145", 0x9a}, {&(0x7f0000008200)="7056b2a0519836a673172e158ef5eacc68c03863630b0df2b3b4ced2308d1c73ddfe7d48c5deaa3e5bc80ef39e31d1a282360ea49caf7a3ee47c25261baaf47521ebfb81fdfadc00084b4615a5a5421f7a1240482fdd4b71c8887e60754f", 0x5e}, {&(0x7f0000008280)="5ac5b6a452b7ee78b24ab457c08ea4adb2823f3566d0200acb5aebbe97d2bd149b31273e5bf2d5003ed49b5945386826f2e8ceffc2d400d1d8e486b4f1a4e7d0b7c48ea77a808de373325cb9c3a1a6fcb0b27ce4f805b899427b9e6520983e080b06cd40f23761f3b130e21d722836dd27e10db0377173796064f52acec5e1ba3542fcf61b36cf4f079c93a5bad595064c3c266c79ee1f602cb71461c6a2f28905368b00d00ed4f28d9d3a7e143fd8550d3df72b13385aa51286ed2a5ff09e6dbc6324b8a1", 0xc5}, {&(0x7f0000008380)="5b4e62c8a9515eceaece2ec126607ae67b6a53a47d6dd0b02559aa931ae6b87f2c508dcb85c542735ed60b5e696cc67b32ded909385242340a542fc5054f0ce2f2e350519c069537a1eb8dd456a9b6f0d26ad6261942e4d8fe51439295c80ed682f30f297a32f52b79760f65b8c3933c8f7d4c80c58218109d6cd353ec56e125352aaf316e3b29fea9fa674918140dde02e3", 0x92}, {&(0x7f0000008440)="a5ba0205f722de4c3459db1755115a32495f36835e2951a3cdf819740584f0e9266dbab525203137a546d108834e0798849c9694d91399620d79cc1277db26662b78322466d988d1ad", 0x49}], 0x7, &(0x7f0000000140)=ANY=[@ANYBLOB="8000000000000000ff01000080000000a54526e5768b6970c24fe1e9ffed03000000000000261803723919e9554b67e2eb48f56a5977a9354a2f8e0281326a4e9a11a8432814b4c71553c4eff05a826141fa3f09da0f8dcaa8a0e3b488abb002a36dee4a0cee982d3c0e9ccb8c9329115cfe95a7b12281292308159f69d699344800000000000000070100000100000060e82f44434dbbff18354425276a4c64729163b29f9344dac461266bc5378bb0ac1b83c9a153edbea910a6bed6ee586eb00c9ccf02000000900000000000000012010000040000006113b3fb79e5e2b0fc19c91b1d4b1e8f518fffc0cd1ab2da204a2e5ed6e0a70eee30fa7a47a2e068d5bb8a2984664c9da240dc8e06af86aa38e0294c1e2fd418556dc9b3b8a6ec82cf8b7cf103f581373a914bd0d298f657c893fe91a6a077c2f7b0904d31139db970c9f5dee52c6e5be64b679db23a5091fd00000000000000680000000000000013010000200000006efb3e5f5889da57b99f59fb7af02a90353388dc445924cda3feae21abb4bfe95d487f7437374e88ccaacb00f04435e1a3b84cf76f5b74e0f7d1d644618f37141acf5f9f3ff53796fb38e006c87bcee7c4709e48ca9dfa8798ff5be6cc476f744c7b61da87db909944f7b3272d60b4e7ba54ea6c099315f3de9a2bd11651b3658ac7a5ca0db746b418ebb375611ed3db07"], 0x1c0, 0x40000}, 0x40000) mount(&(0x7f0000000400)='./file0\x00', &(0x7f0000000440)='./file1\x00', &(0x7f0000000480)='nfs4\x00', 0x8000, &(0x7f00000004c0)="1e9a503ac1c2e593204b5727202a9822a66f1891be1086d35877ccded126c31287b3f3bc4deabf28d0604bdc0fe2037a78575768a3277b3ac90374dea0971c1c7f0c7c29f1773c9b184e9fc4c78d413be861926f3a440b1743bcdd3b09460b6f683039fb3c74689262e43b3c200f96fbf1281e9c732893fb33c058bcf32741375c608151917efb24f997e4a4292e8d3b77a14002cda1809c11c1848a5770fd562afbfc12f9db8990b3c7188f418badbeb45f7d3408fe94f16f63dbc7577ff8b13d316f") 2018/04/01 11:59:47 executing program 5: [ 178.459228] R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000001e 2018/04/01 11:59:47 executing program 0: sendmsg(0xffffffffffffff9c, &(0x7f0000000440)={&(0x7f0000000000)=@nfc_llcp={0x27, 0x1, 0x1, 0x7, 0x8, 0x4, "95d8bb8289b2a25479ebf99aeadb17eb41549c07f065ae1038bd770b6da5b7b186d28adb8c79dfde940771106b5ef3fdea6bca2139060609f29da9fae67885", 0xf}, 0x80, &(0x7f00000003c0)=[{&(0x7f0000000080)="95f0e63f2cf468de554fcf51196aa5dadd8c8a951a130336cc2216ee6d74482f16dff18739936a8c7361768db7eea2f5a7544f7ac0c3d754deac2ed7cf120c5a1971eaea573a7d8485cef552cc", 0x4d}, {&(0x7f0000000100)="74800d0da908f17ec1b5cfa59db1cb83d406229ea44dd2fa977127c367e5f14c1a86f9a42ba74f981b74a7cfb527d125fa", 0x31}, {&(0x7f0000000140)="89cc8d3ab2cc4fc5750a4293de7bd4d5e003ccb65e358e96f87cafe652de0cf21ec6783c4f6a0ac973b1471621f2d3aed5f2a59d34cec56588af14eff68ae21a9d46c7c18a38", 0x46}, {&(0x7f00000001c0)="b6b7112a16424cf53c7883a054f45dedfd563053e461cdfdcba274511eda149def405e98e7a33a4965703e2f551523adffcc5af684bcc94b500d13f73f842403316a4b79c82d9f15390c0d642a02e680abd149647fd0a1cd2f345863c24df0f7284a777bf38b8328a49dafc4f4b9375dc9f09992bc34bca2e05cf8305354778ea022820a9f38619f391322d11b4097151664c4ca65b9f80c544d978f1bb177dd067d9475", 0xa4}, {&(0x7f0000000280)="16ceb6", 0x3}, {&(0x7f00000002c0)="389f59ea347d0436aa8d75a68f0e800c15868527a330c71c5d6bb394d217a2d3bebfc541fbd48652601fa308d8db2d38a1ecc00f986585bd0393322d1076b877cf5766494a02885ddfffcf30e73f18de14214daaa58b9c6d7b4735a067013a32779090d19359e339a4586c88ceeee67e68c7020cc7d49f4b5ab20e6868a2aae23737d6ba06b74e17be4c59ff112ee75c1a", 0x91}, {&(0x7f00000004c0)="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0x1000}, {&(0x7f0000000380)="a4f0e728fd00c20a44f97ed64c1a16c697819d800459e582241e11fbcd71da149d9c2a80d2d7664534438a83454086808daa4a08bc8b5f", 0x37}], 0x8, &(0x7f00000018c0)=ANY=[@ANYBLOB="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"], 0x358, 0x800}, 0x0) socketpair$inet6_sctp(0xa, 0x1, 0x84, &(0x7f0000001f00)) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f00000014c0)='./file0\x00', &(0x7f0000001500)='./file0\x00', &(0x7f0000001540)='overlay\x00', 0x4, &(0x7f0000001580)="ba9219943ecf55965767dc178f7fa428bf77dc08c095781a6e11ca60acdf21e89520811ca0cc877ea0fcc3cd10b1b13237df49a2b309dd706edd232175aef91fce6e68f297f52c2464cdf64946a0e24b7c765cfa30ecaa2b3ad6abed10dd0fb3f79ba8116cc2813ab68d4355d3e1a01b39a9b828b670d8363ff5c329b4573753544c395d1c111ab1b5f176cab5df6821c218f23fba985bd1713e7ddb7f5b882738ccb9dad773c1dcfdbfb655a66ae496cb3683d2bb0050467cde836a") r0 = socket$kcm(0x29, 0x5, 0x0) sendmsg(r0, &(0x7f0000002180)={0x0, 0x0, &(0x7f0000001f80)=[{&(0x7f0000001640)="280386e87f00c2a4150d430989bf11880a4ac6b59aa383fcbdf25ef30e2dabcc20b41abcc2fe9bc7d35d2010620210208e345730a2973a2e32e891d4439028eaf51749b3f3e800aa5f2adbfcec70beb1895963aaeff64fd3e83210d82e4040a80d1d0ad442194208972b0664893a46dfeef4e511c5b560fdbd16e74601e5d2baa3267e55047df9c82e31892d8e630901b0fc9c463ed2a9e5dc978c330e01c6e0a3ddc8249af61cc4f6852f87e4", 0xad}, {&(0x7f0000001700)="577f53722853b9c059fe8595ad27861c1b794475568370a91bf79fcfd4cbda21ec176984892b8076f7ba022dd66764c645c1ef6914300ac1230407819142e286396f269b383d9784c18cce4cf5a739e23ec1d7e882582d69254fe920d0807573c1e03c63ec3d5d07abb71c16fb854c5398c305127be255b9044af217e292806a11879ebf8f7c9a9ab9f0c265c5b8e402df840fc480e267463c91906e88a6092e227a64099f0b6d053646b498d403e9e363f957e19079385afa8fa3c42a6c6d10953f6485e6ebd198e73057a2", 0xcc}, {&(0x7f0000001800)="49d0befa5d05b072719482e652376962a1b2593944224222152eabfb6610d2d0426ce7721edac068b480a204aa05f425a6f7f20508aabe6ee197ff0f73fc8c8114827783b9291d156497cf0df6213ebf93499d5530d2b9ac56524936314888fc814af922565e47b2dfd8ad4a0f", 0x6d}, {&(0x7f0000001cc0)="348376e1f677e1dfdfe6ea2a44c62074d1fc7be20be1651914bdf20de8c49a05cf7eaca31bbf969ed7fe984ebb1a1fa4a23c75c4075c1ae757ec0d469d53a25de82ce0fe7f935fd37c6ad9e9f6701e08ce368edcafd03c03b5f8f61a5db3d06a85050692affc", 0x66}, {&(0x7f0000001d40)="a777ef85dced017066ddb75625004d88a0ce121b438abd21941572edadbf0d7b33fd3418eced96d357183a304a592047e487986c44516705e57d6a5ef2528ea848ada0c76a77277af98a8ca77183f8162a23bf8ed5d663fd438ef3f640d6c9c9b7b88769d415833435654e040f0fdcecd8b1e92e2a15d785c6c7f4716b69cbeed3766154e5f53c2223914eedc3d486d737a51e817bbf5ed6ec0683fbf6bf9c9d195cc5b445d7425d68fa641abebf9c7bd5fbaae0af744d05099e54fa357d09b8d3d417f1937e72c28cec9a26e89115190f81198fed8aeeeb7ec3288d2d8be54567cee4c848cb", 0xe6}, {&(0x7f0000001880)="c2ae72a2ede8a890de", 0x9}, {&(0x7f0000001e40)="def1780160ea5570fd034b097a9a3aba82e8a9a877a46744c86a977ee013119c3e6ffdbd82e5d99e989289ed8ae6a879c9375a85436ee8ad35f3c03befd1ed017e0a04d02853c229c1ce0ae89de27f40892faa1620e9e85cee6eb7d3710f8fe93157d900cd8427ad060c7a230383305906426dab67e726f1ec4d2266420211b2160c993fefa145fb8d6894f6c8", 0x8d}, {&(0x7f0000001f00)}, {&(0x7f0000001f40)="85cdf944cf9786efce71193e6068f947a71d5e9ec4d6eb8731", 0x19}], 0x9, &(0x7f0000002040)=[{0x108, 0x11b, 0x6, "19d07f05519afeca5f4acc680360ec6922687e0a5c6cfab953ac00cf1a8b15d7b45f9a1f1c6aa324e7b4bc3156d689f056ba4ac27061cb50c03613eb6dc9bd4be38bd398253f7b2ed798325e8c388f6919cec88776c968d2a511ecd25c66377bde68641d388d47a24683af78f6510b5f87003656dfab6058598fa15fbe5b9da6f4ad714577f3ee171cd9b86e704ee62cc85294b85aabd7f7ef280c9f5fe29fd8920b0d9d95d8999d3cff149b26f07b0cebf69d7be8fe14c61f584966ab3c7ed3075a03c3d2954b9d91008f407c59149fac5b9e9a3f36299f04a36c9707dc7546e689dcda5055dddc6bedd2dfc13af578425d1962eb00"}], 0x108, 0x4040}, 0x40000) 2018/04/01 11:59:47 executing program 5: mkdir(&(0x7f0000000180)='./file0/', 0xc7) r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000040)={0xffffffff, 0x7, 0x18}, 0xc) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000080)={&(0x7f0000000000)='./file0/', r0}, 0x10) 2018/04/01 11:59:47 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0xfffffffffffffe48, &(0x7f0000000780), 0x100000000000026a, 0x0, 0xfffffe33}, 0x20) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000140)={0xffffffffffffff9c, 0x28, &(0x7f0000000000)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000200)={r0, 0x1, 0x10}, 0xc) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:47 executing program 1: socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000580)={&(0x7f0000000040)=@in={0x0, 0x0, @remote}, 0x80, &(0x7f0000000440)=[{&(0x7f00000000c0)=""/180, 0xb4}, {&(0x7f0000000180)=""/240, 0xf0}, {&(0x7f0000000280)=""/254, 0xfe}, {&(0x7f0000000380)=""/158, 0x9e}], 0x4, &(0x7f00000004c0)=""/175, 0xaf, 0xfffffffffffffffa}, 0x40) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) 2018/04/01 11:59:47 executing program 7: mkdir(&(0x7f0000000180)='./file0\x00', 0x24) mkdir(&(0x7f0000000040)='./file0\x00', 0x10) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000100)={0x0, r0, 0x5}, 0x14) mount(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140)='tmpfs\x00', 0x0, &(0x7f0000000300)="2d60abb9fc62a7ede4ee2a250e5b67f3efd40fb8f68f60d331554c20d299f23b4c412b18f1acbea0823271da9e8ed17aa28ba83522478298799c8d044a4ef56b755780c8cd5bf014f599ca86ddd8dabdf1a41d0e3a4916b9a0c6b131ab48e03cf3732a52484dd075016ff7cbcadfbaed3772d1c341cdd80af05e85b81f8af1424dd210f01e0339b1733a97f6f59b0ad47cda04a053a7896cf7e0dae3843ed1b89d070c47") [ 178.496839] syz-executor2[13380] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 178.575865] overlayfs: unrecognized mount option "º’”>ÏU–Wgܤ(¿wÜÀ•xnÊ`¬ß!è•  Ì‡~ üÃͱ±27ßI¢³ ÝpnÝ#!u®ùÎnhò—õ" or missing value 2018/04/01 11:59:47 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={0x1, 0x28, &(0x7f00000000c0)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000300)={r0, 0x7, 0x8}, 0xc) socketpair(0x8, 0x800, 0x3ff, &(0x7f0000000180)) socketpair(0x10, 0x80000, 0x27f1dc42, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000200)={r2, 0x28, &(0x7f00000001c0)}, 0x10) socketpair$inet_sctp(0x2, 0x1, 0x84, &(0x7f0000000240)) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000280)={r1, 0x50, &(0x7f0000000040)}, 0xfffffffffffffdaa) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000140)={&(0x7f0000000100)='./file0\x00', r2}, 0x10) [ 178.624905] syz-executor2[13407] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 178.648498] syz-executor2[13409] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 178.649252] tmpfs: No value for mount option '-`«¹üb§íäî*%[góïÔ¸ö`Ó1UL Ò™ò;LA+ñ¬¾ ‚2qÚžŽÑz¢‹¨5"G‚˜yœJNõkuW€ÈÍ[ðõ™Ê†ÝØÚ½ñ¤:I¹ Æ±1«Hà<ós*RHMÐuo÷ËÊߺí7rÑÃAÍØ [ 178.649252] ð^…¸ŠñBMÒð9±s:—öõ› [ 178.649252] Ô|Ú S§‰l÷àÚã„>Ѹ G' 2018/04/01 11:59:47 executing program 3: mkdir(&(0x7f0000000040)='./file0/', 0x1c) 2018/04/01 11:59:47 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0//file0\x00', 0x0, 0x18}, 0x10) socketpair$ax25(0x3, 0x3, 0xc3, &(0x7f0000000080)) 2018/04/01 11:59:47 executing program 4 (fault-call:1 fault-nth:31): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) [ 178.694326] overlayfs: unrecognized mount option "º’”>ÏU–Wgܤ(¿wÜÀ•xnÊ`¬ß!è•  Ì‡~ üÃͱ±27ßI¢³ ÝpnÝ#!u®ùÎnhò—õ" or missing value 2018/04/01 11:59:47 executing program 0: mkdir(&(0x7f0000000040)='./file0\x00', 0x10) socketpair(0x13, 0x80003, 0xb1, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$OBJ_PIN_MAP(0x6, &(0x7f00000000c0)={&(0x7f0000000000)='./file0\x00', r0}, 0x10) 2018/04/01 11:59:47 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000240)) recvmsg(r0, &(0x7f0000000100)={&(0x7f0000000080)=@nfc, 0x80, &(0x7f0000000000), 0x0, 0x0, 0x0, 0xc05d}, 0x2000) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000000)) [ 178.737313] tmpfs: No value for mount option '-`«¹üb§íäî*%[góïÔ¸ö`Ó1UL Ò™ò;LA+ñ¬¾ ‚2qÚžŽÑz¢‹¨5"G‚˜yœJNõkuW€ÈÍ[ðõ™Ê†ÝØÚ½ñ¤:I¹ Æ±1«Hà<ós*RHMÐuo÷ËÊߺí7rÑÃAÍØ [ 178.737313] ð^…¸ŠñBMÒð9±s:—öõ› [ 178.737313] Ô|Ú S§‰l÷àÚã„>Ѹ G' [ 178.854328] FAULT_INJECTION: forcing a failure. [ 178.854328] name failslab, interval 1, probability 0, space 0, times 0 [ 178.865650] CPU: 1 PID: 13432 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 178.872932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.882310] Call Trace: [ 178.884909] dump_stack+0x194/0x24d [ 178.888555] ? arch_local_irq_restore+0x53/0x53 [ 178.893236] ? finish_task_switch+0x1c1/0x7e0 [ 178.897742] ? finish_task_switch+0x182/0x7e0 [ 178.902252] should_fail+0x8c0/0xa40 [ 178.905986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 178.911109] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 178.915881] ? __sched_text_start+0x8/0x8 [ 178.920040] ? find_held_lock+0x35/0x1d0 [ 178.924115] ? __lock_is_held+0xb6/0x140 [ 178.928193] ? check_same_owner+0x320/0x320 [ 178.932527] should_failslab+0xec/0x120 [ 178.936512] kmem_cache_alloc_trace+0x4b/0x740 [ 178.941105] ? __kmalloc_node+0x33/0x70 [ 178.945080] ? __kmalloc_node+0x33/0x70 [ 178.949058] ? rcu_read_lock_sched_held+0x108/0x120 [ 178.954077] __memcg_init_list_lru_node+0x169/0x270 [ 178.959100] ? list_lru_add+0x7c0/0x7c0 [ 178.963076] ? __kmalloc_node+0x47/0x70 [ 178.967064] __list_lru_init+0x544/0x750 [ 178.971132] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 178.977028] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 178.982057] ? lockdep_init_map+0x9/0x10 [ 178.986121] sget_userns+0x6b1/0xe40 [ 178.989827] ? kernfs_sop_show_path+0x190/0x190 [ 178.994492] ? kernfs_sop_show_options+0x180/0x180 [ 178.999402] ? destroy_unused_super.part.6+0xd0/0xd0 [ 179.004491] ? check_same_owner+0x320/0x320 [ 179.008794] ? rcu_pm_notify+0xc0/0xc0 [ 179.012676] ? rcu_read_lock_sched_held+0x108/0x120 [ 179.017680] ? kmem_cache_alloc_trace+0x459/0x740 [ 179.022509] ? lock_downgrade+0x980/0x980 [ 179.026657] kernfs_mount_ns+0x13d/0x8b0 [ 179.030698] ? kernfs_super_ns+0x70/0x70 [ 179.034750] sysfs_mount+0xc2/0x1c0 [ 179.038366] ? sysfs_kill_sb+0x40/0x40 [ 179.042239] ? alloc_pages_current+0xbe/0x1e0 [ 179.046715] ? security_sb_copy_data+0x81/0xb0 [ 179.051289] mount_fs+0x66/0x2d0 [ 179.054637] vfs_kern_mount.part.26+0xc6/0x4a0 [ 179.059214] ? may_umount+0xa0/0xa0 [ 179.062830] ? _raw_read_unlock+0x22/0x30 [ 179.066969] ? __get_fs_type+0x8a/0xc0 [ 179.070838] do_mount+0xea4/0x2bb0 [ 179.074355] ? copy_mount_string+0x40/0x40 [ 179.078577] ? rcu_pm_notify+0xc0/0xc0 [ 179.082445] ? copy_mount_options+0x5f/0x2e0 [ 179.086830] ? rcu_read_lock_sched_held+0x108/0x120 [ 179.091835] ? kmem_cache_alloc_trace+0x459/0x740 [ 179.096655] ? kasan_check_write+0x14/0x20 [ 179.100864] ? _copy_from_user+0x99/0x110 [ 179.104993] ? copy_mount_options+0x1f7/0x2e0 [ 179.109472] SyS_mount+0xab/0x120 [ 179.112914] ? copy_mnt_ns+0xb30/0xb30 [ 179.116781] do_syscall_64+0x281/0x940 [ 179.120646] ? vmalloc_sync_all+0x30/0x30 [ 179.124782] ? _raw_spin_unlock_irq+0x27/0x70 [ 179.129261] ? finish_task_switch+0x1c1/0x7e0 [ 179.133736] ? syscall_return_slowpath+0x550/0x550 [ 179.138658] ? syscall_return_slowpath+0x2ac/0x550 [ 179.143577] ? prepare_exit_to_usermode+0x350/0x350 [ 179.148583] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 179.153939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 179.158780] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 179.163962] RIP: 0033:0x454e79 [ 179.167137] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 179.174842] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 179.182116] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 179.189474] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 179.196725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 2018/04/01 11:59:48 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000200)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='s\x00', 0x2000, 0x0) 2018/04/01 11:59:48 executing program 1: mkdir(&(0x7f0000000480)='./file0\x00', 0x80) r0 = socket$kcm(0x29, 0x2, 0x0) recvmsg$kcm(r0, &(0x7f00000002c0)={&(0x7f0000000000)=@l2, 0x80, &(0x7f0000000240)=[{&(0x7f0000000080)=""/191, 0xbf}, {&(0x7f0000000140)=""/166, 0xa6}, {&(0x7f0000000200)}], 0x3, &(0x7f0000000280)=""/37, 0x25, 0x9b}, 0x20) 2018/04/01 11:59:48 executing program 6: ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000001400)={0xffffffffffffffff}) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000001440)={0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMUNATTACH(r0, 0x89e1, &(0x7f0000001480)={r1}) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) 2018/04/01 11:59:48 executing program 0: mkdir(&(0x7f00000002c0)='./file0\x00', 0x0) socketpair$ax25(0x3, 0x2, 0xc3, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f00000001c0)={&(0x7f0000000040)=@ax25, 0x80, &(0x7f0000000140)=[{&(0x7f00000000c0)=""/73, 0x49}], 0x1, &(0x7f0000000180)=""/33, 0x21}, 0x100) 2018/04/01 11:59:48 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:48 executing program 3: socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000400)={0x6, 0x14, &(0x7f00000002c0)=@raw=[@generic={0x5, 0x9, 0x4, 0x4}, @jmp={0x5, 0x2, 0x2, 0x8, 0x7, 0x50, 0xfffffffffffffff0}, @alu={0x0, 0x401, 0x0, 0xa, 0x7, 0xffffffff}, @jmp={0x5, 0x6bb42701, 0x3, 0xf, 0x2, 0xfffffffc}, @generic={0x98e, 0x7, 0x4, 0x7fff}, @alu={0x7, 0x9, 0xa, 0x4, 0x7, 0xfffffff0, 0xfffffffffffffffc}, @initr0={0x18, 0x0, 0x0, 0x0, 0x80000001, 0x0, 0x0, 0x0, 0x66aa}, @alu={0x7, 0x200000000000, 0x8, 0x7, 0x0, 0x50, 0x1}, @jmp={0x5, 0x5, 0xe, 0x3, 0xa, 0x0, 0xfffffffffffffffc}, @call={0x85, 0x0, 0x0, 0x36}], &(0x7f0000000380)='GPL\x00', 0xed, 0x3, &(0x7f00000003c0)=""/3, 0x41100, 0x1}, 0x48) setsockopt$sock_attach_bpf(r0, 0x1, 0x32, &(0x7f00000004c0)=r1, 0x4) mkdir(&(0x7f0000000480)='./file0\x00', 0x0) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000080)={0xffffffffffffffff}) r3 = bpf$PROG_LOAD(0x5, &(0x7f00000001c0)={0x1, 0x6, &(0x7f00000000c0)=@raw=[@exit={0x95}, @jmp={0x5, 0x23d6, 0x3, 0x8, 0xe, 0x4, 0x5}, @generic={0x3f, 0x7ff, 0xff, 0x1}], &(0x7f0000000100)='syzkaller\x00', 0x400, 0x49, &(0x7f0000000140)=""/73, 0x41f00, 0x1}, 0x48) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000240)=r3, 0x4) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x10}, 0x10) 2018/04/01 11:59:48 executing program 4 (fault-call:1 fault-nth:32): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:48 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) [ 179.203977] R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000001f [ 179.248275] syz-executor2[13459] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 179.281985] FAULT_INJECTION: forcing a failure. [ 179.281985] name failslab, interval 1, probability 0, space 0, times 0 [ 179.304444] CPU: 0 PID: 13475 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 179.311722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.321079] Call Trace: [ 179.323681] dump_stack+0x194/0x24d [ 179.327319] ? arch_local_irq_restore+0x53/0x53 [ 179.331997] ? __save_stack_trace+0x7e/0xd0 [ 179.336361] should_fail+0x8c0/0xa40 [ 179.340093] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 179.345208] ? kasan_kmalloc+0xad/0xe0 [ 179.349101] ? kmem_cache_alloc_trace+0x136/0x740 [ 179.353953] ? __memcg_init_list_lru_node+0x169/0x270 [ 179.359152] ? __list_lru_init+0x544/0x750 [ 179.363394] ? sget_userns+0x6b1/0xe40 [ 179.367287] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 179.372038] ? do_mount+0xea4/0x2bb0 [ 179.375731] ? SyS_mount+0xab/0x120 [ 179.379344] ? do_syscall_64+0x281/0x940 [ 179.383398] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 179.388919] ? find_held_lock+0x35/0x1d0 [ 179.392972] ? __lock_is_held+0xb6/0x140 [ 179.397046] ? check_same_owner+0x320/0x320 [ 179.401358] ? rcu_note_context_switch+0x710/0x710 [ 179.406268] should_failslab+0xec/0x120 [ 179.410236] kmem_cache_alloc_trace+0x4b/0x740 [ 179.414807] ? __kmalloc_node+0x33/0x70 [ 179.418781] ? __kmalloc_node+0x33/0x70 [ 179.422741] ? rcu_read_lock_sched_held+0x108/0x120 [ 179.427741] __memcg_init_list_lru_node+0x169/0x270 [ 179.432738] ? list_lru_add+0x7c0/0x7c0 [ 179.436700] ? __kmalloc_node+0x47/0x70 [ 179.440663] __list_lru_init+0x544/0x750 [ 179.444719] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 179.450594] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 179.455602] ? lockdep_init_map+0x9/0x10 [ 179.459645] sget_userns+0x6b1/0xe40 [ 179.463362] ? kernfs_sop_show_path+0x190/0x190 [ 179.468035] ? kernfs_sop_show_options+0x180/0x180 [ 179.472959] ? destroy_unused_super.part.6+0xd0/0xd0 [ 179.478050] ? check_same_owner+0x320/0x320 [ 179.482352] ? rcu_pm_notify+0xc0/0xc0 [ 179.486238] ? rcu_read_lock_sched_held+0x108/0x120 [ 179.491252] ? kmem_cache_alloc_trace+0x459/0x740 [ 179.496077] ? lock_downgrade+0x980/0x980 [ 179.500209] kernfs_mount_ns+0x13d/0x8b0 [ 179.504253] ? kernfs_super_ns+0x70/0x70 [ 179.508319] sysfs_mount+0xc2/0x1c0 [ 179.511936] ? sysfs_kill_sb+0x40/0x40 [ 179.515811] ? alloc_pages_current+0xbe/0x1e0 [ 179.520294] ? security_sb_copy_data+0x81/0xb0 [ 179.524867] mount_fs+0x66/0x2d0 [ 179.528221] vfs_kern_mount.part.26+0xc6/0x4a0 [ 179.532781] ? may_umount+0xa0/0xa0 [ 179.536393] ? _raw_read_unlock+0x22/0x30 [ 179.540521] ? __get_fs_type+0x8a/0xc0 [ 179.544398] do_mount+0xea4/0x2bb0 [ 179.547932] ? copy_mount_string+0x40/0x40 [ 179.552425] ? rcu_pm_notify+0xc0/0xc0 [ 179.556289] ? copy_mount_options+0x5f/0x2e0 [ 179.560673] ? rcu_read_lock_sched_held+0x108/0x120 [ 179.565673] ? kmem_cache_alloc_trace+0x459/0x740 [ 179.570497] ? kasan_check_write+0x14/0x20 [ 179.574719] ? _copy_from_user+0x99/0x110 [ 179.578849] ? copy_mount_options+0x1f7/0x2e0 [ 179.583323] SyS_mount+0xab/0x120 [ 179.586751] ? copy_mnt_ns+0xb30/0xb30 [ 179.590625] do_syscall_64+0x281/0x940 [ 179.594488] ? vmalloc_sync_all+0x30/0x30 [ 179.598616] ? _raw_spin_unlock_irq+0x27/0x70 [ 179.603105] ? finish_task_switch+0x1c1/0x7e0 [ 179.608882] ? syscall_return_slowpath+0x550/0x550 [ 179.613799] ? syscall_return_slowpath+0x2ac/0x550 [ 179.618706] ? prepare_exit_to_usermode+0x350/0x350 [ 179.623712] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 179.629063] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 179.633888] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 179.639062] RIP: 0033:0x454e79 [ 179.642238] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 179.649922] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 179.657167] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 179.664417] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 179.671683] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 179.678932] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000020 2018/04/01 11:59:49 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) mkdir(&(0x7f0000000000)='./file0/', 0x0) 2018/04/01 11:59:49 executing program 3: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x24, 0x25, 0x7a}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000000)={r0, 0x0, 0x83, 0xb5, &(0x7f0000000440)="15b8174cce068118b9583e2aa813193116e222cc03e68cd73e19e24dd8078653df6c55e0490fc83070469ca18b1278ec0f21a82b05679c1b7777abca5e9f063a4d117043ce7e5618e4742b7d8ca566841a9b7d08529419b4aca482ace51bc49aabc92408b9367e2366e03e0d7b8d4f37dca9885cc684200bd497f00cfbd269899f2b2b", &(0x7f0000000500)=""/181, 0x7, 0x7}, 0x28) socketpair(0x4, 0x2, 0x1, &(0x7f0000000140)={0xffffffffffffffff}) sendmsg$kcm(r1, &(0x7f0000003e80)={&(0x7f0000000380)=@l2={0x1f, 0x6, {0xffffffff, 0x524, 0x1, 0x2, 0x8, 0x1}, 0x3}, 0x80, &(0x7f0000001980)=[{&(0x7f00000005c0)="5612f0193640393ff676bd2d28a83700b2c49142a512692d564efe9f417db3847e01c9d39f68c5662e8c43ffc0ed0b262c96eefe0ffbb7c9dc71ea6d58829c7ff7c5170ef96de2db76fb0908303c4f5c14fac1734490422f6e7289efbbf7fb28dc6e72d2d2f206e19054cbe99a706239410cbae5d890e0afb18dfb50bcfb973f188391a5a54c5be160d4de10a6b4a2f6d264b61ddf66751533246ff647b365b8558c5d7dcc0af254f033ad7ce3", 0xad}, {&(0x7f0000000200)="b96cb8", 0x3}, {&(0x7f0000000680)="91292d91b5c11bf31fa4acf4c791317d84d83a3f8ffafc6394c2c03f11026c1be4fa25ad698a6520b114a07bbc8ce7f10f64ee405be984385b2c231b7ecdff59aef673bb1de91c945e4c12fba9a02d183cfddd0589ed6096886e4843487380d3ee0caf0654224f6ba1e607d3bdbd3722c570d43ab4b14c6718364c2779d7262a98cf7c45d282cb0a3c32dd3d8cde232bebffdf89f57b382ca4e59f977ac13f01cde3714269b26fdb652f8c3abda310c65ff02388e4ddebb41163f53b8b9f95065ba92106005b703992a70faf91304d5df3411647af9a947f667512e40d1f04a95efe8b8589", 0xe5}, {&(0x7f0000000780)="0f2689d76ef9b9f18e5bf849c3ee3aaac2d6b309460164548ded12a793e003ac998b04042ebed455f95d08d4f7ef55c756413015f0c345e84961f904b7cc3461817e3040c992a51c20c8887cd293854e00cb7b38a935f20b0b57efa3fbbce838bb1505b480e103ed0a2d45e77fb6f052a6348a7838b03f6c6bef06247f7133c153586c12bfdb87a37925ca1f4448f003fbe009dd8894812a7f5b18ccbab3a118d520ff6c894877eaa71ab8e168939106766a38eb269fc524df2de1a0dfd2b54463af2a92f5a96ada7642062367b926df97839d2f3eff4ee5b6d8c91d7ad7e37d2c31c4e8743c5572356f211050", 0xed}, 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0x2458, 0x40000}, 0x4) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:49 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair(0x9, 0xb, 0x58c, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r1, 0x2405, r0) mount(&(0x7f0000000180)='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='aio\x00', 0x2000, &(0x7f00000001c0)="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") 2018/04/01 11:59:49 executing program 0: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x10}, 0x10) 2018/04/01 11:59:49 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x4) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:49 executing program 1: mkdir(&(0x7f0000000000)='./file0/file0\x00', 0x0) socketpair(0x1, 0x3, 0x0, &(0x7f0000000000)={0x0, 0x0}) sendmsg(r0, &(0x7f0000002280)={&(0x7f0000000c80)=@in6={0xa, 0x4e24, 0x4b, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000001040)=[{&(0x7f0000000d00)="fbdd87", 0x3}, {&(0x7f0000000d40)="63bbb572c5a4a998523f9d22b5a0d2779e761520c2270023a2009f3f5a417d266a5933a752fc2f88c8366b4f0f920e43e3b33ebb2e4a70e4e63f10ea1aacb3127d59e35832abac10f418af58994b129f1290f74a60a8e3aec32dcfeace5fd26345feab696eafcc2300ac7309ee0f6ca7b65da2773e135cddc8e2ad4a232df967d1a1fccc62f93b7d796b7341e3a6dfadc69fcc6be43d29d2db6c8be1f6ffd1f0923008a4d164666bfdd3711439d2331c3d82262c26e1e36aa0099a3564ae2d3144f9963c909343625646d8d82c662af5677986427a90afb838ea39e9e835e7c5b6cffb7f1d8ed393900e8618763f8a92a0812fa286a1b37cc7", 0xf9}, {&(0x7f0000000e40)="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", 0xfc}, {&(0x7f0000000f40)="9b8f7c1081c8cd1995e8ca3568d9c93a2a1b", 0x12}, {&(0x7f0000000f80)="3a6af90ce1ea3bdf827d2ddf3833813ceb1434533bce40657865680cd929167b29edc87d362c57c36b35ae7966d1b35511c39ad89fd60bb46604d1c3308a9b53a736c113cf7036fc6a4bfb96bfbd554e032752c673cd1b2db2b3d3dbd47854e4d90bfb95070f141738e94b80b6167a0befa9cb782d2846693fbb8e47ab1a5fc9beff2d3829", 0x85}], 0x5, &(0x7f0000002300)=ANY=[@ANYBLOB="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"], 0x11a0, 0x24004000}, 0x4) recvmsg(r0, &(0x7f0000000600)={&(0x7f0000000280)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f00000004c0)=[{&(0x7f0000000300)=""/114, 0x72}, {&(0x7f0000000380)=""/82, 0x52}, {&(0x7f0000000400)=""/135, 0x87}], 0x3, &(0x7f0000000500)=""/243, 0xf3, 0x4}, 0x100) socketpair$inet_sctp(0x2, 0x1, 0x84, &(0x7f00000006c0)={0xffffffffffffffff}) recvmsg$kcm(r0, &(0x7f0000000c40)={&(0x7f0000000700)=@ethernet={0x0, @remote}, 0x80, &(0x7f0000000b40)=[{&(0x7f0000000780)=""/50, 0x32}, {&(0x7f00000007c0)=""/139, 0x8b}, {&(0x7f0000000880)=""/124, 0x7c}, {&(0x7f0000000900)=""/13, 0xd}, {&(0x7f0000000940)=""/183, 0xb7}, {&(0x7f0000000a00)=""/82, 0x52}, {&(0x7f0000000a80)=""/173, 0xad}], 0x7, &(0x7f0000000bc0)=""/125, 0x7d, 0x7}, 0x2000) bpf$PROG_LOAD(0x5, &(0x7f0000000640)={0x2, 0xf, &(0x7f0000000140)=@framed={{0x18, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0xca}, [@exit={0x95}, @ldst={0x0, 0x2, 0x0, 0xf, 0x9, 0x8c, 0x18}, @jmp={0x5, 0xffffffffffffffff, 0x3, 0xf, 0x8, 0x2, 0xffffffffffffffff}, @generic={0x7, 0x800, 0x8, 0x200}, @initr0={0x18, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x401}, @map={0x18, 0x0, 0x1, 0x0, r0}], {0x95}}, &(0x7f00000001c0)='GPL\x00', 0x1, 0x64, &(0x7f0000000200)=""/100, 0x41100, 0x1, [], r1}, 0x48) perf_event_open(&(0x7f0000000040)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x2aafb0bc}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f00000000c0)=@un=@abs={0x1}, 0x49, &(0x7f0000000040), 0x3d}, 0x0) close(r2) socketpair$inet(0x2, 0x0, 0x2, &(0x7f0000000040)) 2018/04/01 11:59:49 executing program 4 (fault-call:1 fault-nth:33): mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) 2018/04/01 11:59:49 executing program 2: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000400)={&(0x7f0000000300)='./file0\x00', 0x0, 0x8}, 0x10) socketpair(0x10, 0x80000, 0x6, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_QUERY_BPF(r0, 0xc008240a, &(0x7f0000000140)=ANY=[@ANYBLOB="040100003b75b58eaa959256000000000000000000000000"]) mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='selinuxfs\x00', 0x1000, &(0x7f0000000100)) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f0000000200)=r1, 0x4) recvmsg(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)=@generic, 0x80, &(0x7f0000000780)}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="85000000242ebd000000257a000000000000950000000000"], &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000002c0)='squashfs\x00', 0x20, 0x0) 2018/04/01 11:59:49 executing program 7: mkdir(&(0x7f0000000480)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='sysfs\x00', 0x0, &(0x7f00000002c0)) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000080)) [ 180.194581] FAULT_INJECTION: forcing a failure. [ 180.194581] name failslab, interval 1, probability 0, space 0, times 0 [ 180.204603] bpf_get_probe_write_proto: 1 callbacks suppressed [ 180.204608] syz-executor3[13498] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 180.206303] CPU: 0 PID: 13491 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 180.230294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.233196] EXT4-fs: 1 callbacks suppressed 2018/04/01 11:59:49 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair(0x19, 0x4, 0x100, &(0x7f0000000000)={0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xf, 0xa, &(0x7f0000000080)=@raw=[@exit={0x95}, @generic={0x6, 0x27, 0x6, 0x8}, @call={0x85, 0x0, 0x0, 0x2d}, @generic={0x401, 0x4, 0x1, 0x80000000000}, @exit={0x95}], &(0x7f0000000100)='syzkaller\x00', 0x1, 0xa1, &(0x7f0000000140)=""/161, 0x41100, 0x1}, 0x48) ioctl$sock_kcm_SIOCKCMATTACH(r1, 0x89e0, &(0x7f0000000280)={r0, r2}) 2018/04/01 11:59:49 executing program 5: mkdir(&(0x7f0000000100)='./file0/', 0x0) 2018/04/01 11:59:49 executing program 3: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000200)) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) [ 180.233202] EXT4-fs (sda1): re-mounted. Opts: (null) [ 180.239794] Call Trace: [ 180.239815] dump_stack+0x194/0x24d [ 180.239829] ? arch_local_irq_restore+0x53/0x53 [ 180.239840] ? find_held_lock+0x35/0x1d0 [ 180.239856] should_fail+0x8c0/0xa40 [ 180.239869] ? __list_lru_init+0x352/0x750 [ 180.272732] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 180.277861] ? find_held_lock+0x35/0x1d0 [ 180.281934] ? __lock_is_held+0xb6/0x140 [ 180.286096] ? check_same_owner+0x320/0x320 [ 180.290426] ? rcu_note_context_switch+0x710/0x710 2018/04/01 11:59:49 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f00000007c0)={0xffffffffffffff9c}) recvmsg$kcm(r0, &(0x7f0000000b40)={&(0x7f0000000800)=@nl=@unspec, 0x80, &(0x7f0000000a80)=[{&(0x7f0000000880)=""/78, 0x4e}, {&(0x7f0000000900)=""/141, 0x8d}, {&(0x7f00000009c0)=""/187, 0xbb}], 0x3, &(0x7f0000000ac0)=""/78, 0x4e}, 0x2000) r1 = bpf$OBJ_GET_PROG(0x7, &(0x7f00000001c0)={&(0x7f0000000180)='./file0/', 0x0, 0x8}, 0x10) ioctl$sock_kcm_SIOCKCMATTACH(r0, 0x89e0, &(0x7f0000000200)={r0, r1}) recvmsg$kcm(r0, &(0x7f0000000140)={&(0x7f0000000000)=@ipx, 0x80, &(0x7f0000000100)=[{&(0x7f0000000080)=""/15, 0xf}], 0x1, 0x0, 0x0, 0x4}, 0x10002) 2018/04/01 11:59:49 executing program 6: r0 = perf_event_open(&(0x7f0000000000)={0x7, 0x70, 0x0, 0x6, 0x8, 0x9, 0x0, 0x200, 0x8, 0x2, 0x10000, 0x7fffffff, 0x4, 0xff, 0x5, 0x81, 0x3f, 0x8, 0x8001, 0x8001, 0x4, 0x8, 0x0, 0xda03, 0x5, 0x0, 0x4, 0x7, 0x6, 0x3, 0x2, 0x3, 0xf4f, 0x3f, 0x400, 0x800, 0x120000, 0x9, 0x0, 0x8, 0x4, @perf_config_ext={0x9, 0xffffffffffffb5c6}, 0x2009, 0x1, 0xffffffff, 0x2, 0xaf, 0x8cb, 0x10001}, 0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x8) ioctl$PERF_EVENT_IOC_REFRESH(r0, 0x2402, 0x1) socketpair(0x0, 0x3, 0x1, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000140)={&(0x7f0000000080)='./file0\x00', r1}, 0x10) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000180)) [ 180.295361] ? find_held_lock+0x35/0x1d0 [ 180.299430] should_failslab+0xec/0x120 [ 180.303510] __kmalloc+0x63/0x760 [ 180.306983] ? lock_downgrade+0x980/0x980 [ 180.311140] ? _raw_spin_unlock+0x22/0x30 [ 180.315729] ? register_shrinker+0x10e/0x2d0 [ 180.320139] ? trace_event_raw_event_module_request+0x320/0x320 [ 180.326464] register_shrinker+0x10e/0x2d0 [ 180.330713] ? __bpf_trace_mm_vmscan_wakeup_kswapd+0x40/0x40 [ 180.336516] ? memcpy+0x45/0x50 [ 180.339828] sget_userns+0xbbf/0xe40 2018/04/01 11:59:49 executing program 5: mkdir(&(0x7f0000000040)='./file0/', 0xffffffffffffffff) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg(r0, &(0x7f0000001540)={&(0x7f00000000c0)=@nfc_llcp={0x27, 0x0, 0x2, 0x7, 0x1, 0xffffffffffff4f36, "9b4fb580353061cb4889abc5813f37547ecc1bb95952d8508eaabe31b6710adc6987cebe23533d52f3bffa7ffeca51f6f70e9d42f17ec67ffeaa3c6a316bb2", 0x17}, 0x80, &(0x7f0000001280)=[{&(0x7f0000000140)="d6836ba04f80d8e8b6eb0f5aaffaa0416f47bacc1585149a3c93f6649d20d5a86e292af53815cea607206237aea346265e259bd8939a802dc27c5a83bd5644c1e5711cedf36b3af3a61de92b1cdda6f0a0d351517aaf79f7765c2608707a7f8974c799921ec1e6fe44e188d02631f7740d39f1f8f50b644f2bde8a55d9a8baa4236f3a8f621268a53dd8fbadc21f16bd957a", 0x92}, {&(0x7f0000000200)="696423c4ada627c7fed5d70d163a1a5253e84755fa956db98a", 0x19}, {&(0x7f0000000240)="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", 0x1000}, {&(0x7f0000001240)="ee07fa518015c35c5e3702edfc26d74ed89213717869f3dbbbf0fcbd4a691af3e8e0fd0e8fb0af631157f8d227afd473c74b5f7f38c23200036878baff", 0x3d}], 0x4, &(0x7f00000012c0)=[{0x58, 0x29, 0x2, "22519768a239a334c5a6ccae29b42ba7b7b89f0f494d569016a5a8d3ebafe3e54be35adcdd9b355538af14c97024521797ee3ccd6392e33b55cd8b5be63caef145c743240c"}, {0xe0, 0xff, 0x4, "9872a6354c2432abf90f721bd40662e25e17a217d6a1504c76a08bac2a1dfa5f02d6e5f0a01b34dd920fde8a8e8a457687fd619e3d810e9fe3f4999675d82c5a9ba90279940e5549a75fbd70ead2602ca44a3ca3c51f1200599709c5c6642f2b186ba80658efc4ee41421407a47ee84c3e6acc414e95178f122d63aa203509462367d86f5e766da3436ba11c42bafd5ed984d0b89b6f4acca0bbc4b584cd1d1b7cc208761570ca5b9b44f537d60c36d5f2519e625649c69570dd0fae7ca7f26c6cc9871ac6bb7952f00974766e80f0cf"}, {0x70, 0x114, 0x4, "c75ea745f78cb0b2168019c738cbe67e16158f8d176c19e6a434dfc15dc9806036534f7be6234c0a0503283eb690ff833954fc4079afeacd46538acf285efd883488845a89f32222ae638aa5b7d8aa48d225640be8ca44054c3f068a0a"}, {0xa0, 0x117, 0x0, "aca0b492464ddea39db7feb0d7c84714e00204d5d8ac3391ea5bf974dc532298db1ca32fff0e5ed78918cdb65d49807047087f3ff98fd77bfca39eb8d77150b77b39187f3dba0250b714ee99bbd03112666141aaced71d62a3b1b45506e48ac0758f75ba47f7f326ec4ec950f6745126f5ce600c25fb23a9d034be4fc41452d3f8b1d1c39dd35ee40afffc"}], 0x248, 0x10}, 0x8000) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000000)) [ 180.343548] ? kernfs_sop_show_path+0x190/0x190 [ 180.348226] ? kernfs_sop_show_options+0x180/0x180 [ 180.353187] ? destroy_unused_super.part.6+0xd0/0xd0 [ 180.358304] ? check_same_owner+0x320/0x320 [ 180.362632] ? rcu_pm_notify+0xc0/0xc0 [ 180.366535] ? rcu_read_lock_sched_held+0x108/0x120 [ 180.371556] ? kmem_cache_alloc_trace+0x459/0x740 [ 180.376406] ? lock_downgrade+0x980/0x980 [ 180.380559] kernfs_mount_ns+0x13d/0x8b0 [ 180.384622] ? kernfs_super_ns+0x70/0x70 [ 180.388692] sysfs_mount+0xc2/0x1c0 2018/04/01 11:59:49 executing program 6: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r1 = socket$kcm(0x29, 0x7, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r1, 0x89e2, &(0x7f0000000000)={r0}) [ 180.392316] ? sysfs_kill_sb+0x40/0x40 [ 180.396203] ? alloc_pages_current+0xbe/0x1e0 [ 180.400700] ? security_sb_copy_data+0x81/0xb0 [ 180.405282] mount_fs+0x66/0x2d0 [ 180.408648] vfs_kern_mount.part.26+0xc6/0x4a0 [ 180.413228] ? may_umount+0xa0/0xa0 [ 180.416853] ? _raw_read_unlock+0x22/0x30 [ 180.420999] ? __get_fs_type+0x8a/0xc0 [ 180.424891] do_mount+0xea4/0x2bb0 [ 180.428437] ? copy_mount_string+0x40/0x40 [ 180.432675] ? rcu_pm_notify+0xc0/0xc0 [ 180.436564] ? copy_mount_options+0x5f/0x2e0 [ 180.440974] ? rcu_read_lock_sched_held+0x108/0x120 2018/04/01 11:59:49 executing program 5: mkdir(&(0x7f00000000c0)='./file0/', 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000001a80)={0xffffffffffffff9c}) sendmsg$kcm(r0, &(0x7f0000002b80)={&(0x7f0000001ac0)=@nfc_llcp={0x27, 0x0, 0x1, 0x7, 0x5a7, 0x9, "60a08d4cc8291cb877ced1acd02dce55d349dfe5cf49496e7c610435b0cfe71f4e65f1bedbd3f4f5396f7c6defa69f9a0b01a7132db9342f7010633c5cd108", 0x7}, 0x80, &(0x7f0000002b40)=[{&(0x7f0000001b40)="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", 0x1000}], 0x1, 0x0, 0x0, 0x4000000}, 0x40000) 2018/04/01 11:59:49 executing program 0: r0 = socket$kcm(0x29, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000001300)="ae2cf533db857ee8b8a8cad3a14e2558e0e7dd848a857987f3b4530bd282f9fb455a74b6a6c0a60b7ddbfdc446c23182868815cd93073da39575668fdee99b12ee81ceae3b5f8aa7a349fc83f633e8e9e132cb57057318188f8a93cf15a570b2ac4b0aa1ddf7593c5fbb2eda5dc3e55d2c4abe0b88b9be351ff2a005f75e6d0a0eca40e5dac0b65cecde9613653c9a8addefc9becd3a5cdd5a637c5db085b44c0e56565af49fa51b5f38a45cb0742ba2f809304f5e6c", 0xb6}], 0x1, &(0x7f0000000200)=[{0x1010, 0x104, 0x9, "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"}, {0x78, 0x104, 0xfffffffffffffffe, "5e519eeddc102a2baaa6bcad2f251e5caec7bb5a5fe11344eb5ce5dfb7618c16fa753c822196564877e1c18f24e04609ba6af27cda07a07db27d69adc1d82c43b88b471b01eee1a7f2d80c42de9c929906aa65338197abb20eb040ae3d803e5119"}], 0x1088, 0x8000}, 0x50) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) close(r1) bpf$OBJ_GET_MAP(0x7, &(0x7f00000000c0)={&(0x7f0000000080)='./file0\x00', 0x0, 0x8}, 0x10) mkdir(&(0x7f0000000100)='./file0\x00', 0x20) [ 180.445999] ? kmem_cache_alloc_trace+0x459/0x740 [ 180.450944] ? kasan_check_write+0x14/0x20 [ 180.455193] ? _copy_from_user+0x99/0x110 [ 180.456546] EXT4-fs (sda1): re-mounted. Opts: (null) [ 180.459337] ? copy_mount_options+0x1f7/0x2e0 [ 180.459349] SyS_mount+0xab/0x120 [ 180.459357] ? copy_mnt_ns+0xb30/0xb30 [ 180.459370] do_syscall_64+0x281/0x940 [ 180.459379] ? vmalloc_sync_all+0x30/0x30 [ 180.459389] ? _raw_spin_unlock_irq+0x27/0x70 [ 180.459399] ? finish_task_switch+0x1c1/0x7e0 [ 180.459410] ? syscall_return_slowpath+0x550/0x550 [ 180.498484] ? syscall_return_slowpath+0x2ac/0x550 [ 180.499289] EXT4-fs (sda1): re-mounted. Opts: (null) [ 180.503418] ? prepare_exit_to_usermode+0x350/0x350 [ 180.503432] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 180.503445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 180.503457] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 180.503465] RIP: 0033:0x454e79 [ 180.503469] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 180.503479] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 180.503483] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 180.503489] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 180.503494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 180.503503] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000021 [ 180.592461] kasan: CONFIG_KASAN_INLINE enabled [ 180.597520] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 180.604934] general protection fault: 0000 [#1] SMP KASAN [ 180.610464] Dumping ftrace buffer: [ 180.613992] (ftrace buffer empty) [ 180.617690] Modules linked in: [ 180.620912] CPU: 0 PID: 13491 Comm: syz-executor4 Not tainted 4.16.0-rc6+ #43 [ 180.628168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.637873] RIP: 0010:__list_del_entry_valid+0x7e/0x150 [ 180.643235] RSP: 0018:ffff8801b9c67658 EFLAGS: 00010246 [ 180.648581] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 180.655932] RDX: 0000000000000000 RSI: ffff8801d8ce5898 RDI: ffff8801d8ce58a0 [ 180.663530] RBP: ffff8801b9c67670 R08: ffffffff81d39d22 R09: 0000000000000004 [ 180.670794] R10: ffff8801b9c67670 R11: 0000000000000000 R12: 0000000000000000 [ 180.678149] R13: ffff8801b9c4ab00 R14: ffff8801b9c67700 R15: ffff8801d8ce5898 [ 180.685397] FS: 00007fc8a880b700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 180.693611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 180.699482] CR2: 000000000138cfd0 CR3: 00000001c7bbd001 CR4: 00000000001606f0 [ 180.706754] DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000020000000 [ 180.714016] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 [ 180.721266] Call Trace: [ 180.723832] ? mutex_lock_nested+0x16/0x20 [ 180.728052] kernfs_kill_sb+0x9e/0x330 [ 180.731918] ? unregister_shrinker+0x22c/0x3a0 [ 180.736475] ? kernfs_mount_ns+0x8b0/0x8b0 [ 180.740686] ? perf_trace_mm_vmscan_writepage+0x790/0x790 [ 180.746548] ? register_shrinker+0x235/0x2d0 [ 180.751028] ? __bpf_trace_mm_vmscan_wakeup_kswapd+0x40/0x40 [ 180.756816] sysfs_kill_sb+0x22/0x40 [ 180.760529] deactivate_locked_super+0x88/0xd0 [ 180.765103] sget_userns+0xbda/0xe40 [ 180.768802] ? kernfs_sop_show_path+0x190/0x190 [ 180.773453] ? kernfs_sop_show_options+0x180/0x180 [ 180.778357] ? destroy_unused_super.part.6+0xd0/0xd0 [ 180.783527] ? check_same_owner+0x320/0x320 [ 180.787829] ? rcu_pm_notify+0xc0/0xc0 [ 180.791697] ? rcu_read_lock_sched_held+0x108/0x120 [ 180.796703] ? kmem_cache_alloc_trace+0x459/0x740 [ 180.801538] ? lock_downgrade+0x980/0x980 [ 180.805677] kernfs_mount_ns+0x13d/0x8b0 [ 180.809726] ? kernfs_super_ns+0x70/0x70 [ 180.813785] sysfs_mount+0xc2/0x1c0 [ 180.817400] ? sysfs_kill_sb+0x40/0x40 [ 180.821273] ? alloc_pages_current+0xbe/0x1e0 [ 180.825746] ? security_sb_copy_data+0x81/0xb0 [ 180.830306] mount_fs+0x66/0x2d0 [ 180.833651] vfs_kern_mount.part.26+0xc6/0x4a0 [ 180.838208] ? may_umount+0xa0/0xa0 [ 180.841810] ? _raw_read_unlock+0x22/0x30 [ 180.845934] ? __get_fs_type+0x8a/0xc0 [ 180.849804] do_mount+0xea4/0x2bb0 [ 180.853324] ? copy_mount_string+0x40/0x40 [ 180.857536] ? rcu_pm_notify+0xc0/0xc0 [ 180.861409] ? copy_mount_options+0x5f/0x2e0 [ 180.865801] ? rcu_read_lock_sched_held+0x108/0x120 [ 180.870802] ? kmem_cache_alloc_trace+0x459/0x740 [ 180.875625] ? kasan_check_write+0x14/0x20 [ 180.879837] ? _copy_from_user+0x99/0x110 [ 180.883977] ? copy_mount_options+0x1f7/0x2e0 [ 180.888451] SyS_mount+0xab/0x120 [ 180.891901] ? copy_mnt_ns+0xb30/0xb30 [ 180.895762] do_syscall_64+0x281/0x940 [ 180.899636] ? vmalloc_sync_all+0x30/0x30 [ 180.903760] ? _raw_spin_unlock_irq+0x27/0x70 [ 180.908231] ? finish_task_switch+0x1c1/0x7e0 [ 180.912702] ? syscall_return_slowpath+0x550/0x550 [ 180.917612] ? syscall_return_slowpath+0x2ac/0x550 [ 180.922524] ? prepare_exit_to_usermode+0x350/0x350 [ 180.927516] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 180.932853] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 180.937688] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 180.942860] RIP: 0033:0x454e79 [ 180.946034] RSP: 002b:00007fc8a880ac68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 180.953804] RAX: ffffffffffffffda RBX: 00007fc8a880b6d4 RCX: 0000000000454e79 [ 180.961050] RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000 [ 180.968295] RBP: 000000000072bea0 R08: 00000000200002c0 R09: 0000000000000000 [ 180.975540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 180.982788] R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000021 [ 180.990041] Code: 00 00 00 00 ad de 49 39 c4 74 66 48 b8 00 02 00 00 00 00 ad de 48 89 da 48 39 c3 74 65 48 c1 ea 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 75 7b 48 8b 13 48 39 f2 75 57 49 8d 7c 24 08 48 b8 [ 181.009154] RIP: __list_del_entry_valid+0x7e/0x150 RSP: ffff8801b9c67658 [ 181.016017] ---[ end trace 41aaa5690bcfa95e ]--- [ 181.020774] Kernel panic - not syncing: Fatal exception [ 181.026713] Dumping ftrace buffer: [ 181.030472] (ftrace buffer empty) [ 181.034160] Kernel Offset: disabled [ 181.037761] Rebooting in 86400 seconds..