[ 42.194680] audit: type=1800 audit(1555572713.120:33): pid=6999 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 42.218006] audit: type=1800 audit(1555572713.120:34): pid=6999 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 44.785286] random: sshd: uninitialized urandom read (32 bytes read) [ 44.996032] audit: type=1400 audit(1555572715.920:35): avc: denied { map } for pid=7169 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 45.048974] random: sshd: uninitialized urandom read (32 bytes read) [ 45.668108] random: sshd: uninitialized urandom read (32 bytes read) [ 67.326337] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. [ 72.894241] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 73.018047] audit: type=1400 audit(1555572743.940:36): avc: denied { map } for pid=7181 comm="syz-executor944" path="/root/syz-executor944113322" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 73.027361] FAULT_INJECTION: forcing a failure. [ 73.027361] name failslab, interval 1, probability 0, space 0, times 1 [ 73.056583] CPU: 0 PID: 7182 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 73.063740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.073248] Call Trace: [ 73.075872] dump_stack+0x138/0x19c [ 73.079508] should_fail.cold+0x10f/0x159 [ 73.083661] should_failslab+0xdb/0x130 [ 73.087621] kmem_cache_alloc_node_trace+0x283/0x770 [ 73.092763] ? kasan_unpoison_shadow+0x35/0x50 [ 73.097471] init_cache_node+0x3e/0x110 [ 73.101918] setup_kmem_cache_node+0x56/0x3f0 [ 73.106594] __do_tune_cpucache+0x152/0x200 [ 73.110920] ? __lock_is_held+0xb6/0x140 [ 73.114969] do_tune_cpucache+0x25/0xd0 [ 73.118932] enable_cpucache+0x3e/0xd0 [ 73.122811] setup_cpu_cache+0xd4/0x1e0 [ 73.126770] __kmem_cache_create+0x1b5/0x260 [ 73.131264] create_cache+0xb0/0x1c0 [ 73.134981] kmem_cache_create+0x1ac/0x240 [ 73.139208] copy_pid_ns+0x6d8/0xa40 [ 73.142903] ? refcount_inc+0x1f/0x40 [ 73.146691] create_new_namespaces+0x267/0x720 [ 73.151392] copy_namespaces+0x284/0x310 [ 73.155550] copy_process.part.0+0x25f7/0x6950 [ 73.160199] ? get_pid_task+0xbf/0x140 [ 73.164181] ? proc_fail_nth_write+0x7d/0x180 [ 73.168811] ? proc_cwd_link+0x1b0/0x1b0 [ 73.172869] ? __cleanup_sighand+0x50/0x50 [ 73.177129] ? vfs_write+0x25f/0x500 [ 73.180856] _do_fork+0x19e/0xce0 [ 73.184309] ? fork_idle+0x280/0x280 [ 73.188211] ? vfs_write+0x104/0x500 [ 73.191917] ? SyS_write+0x10b/0x180 [ 73.195629] SyS_clone+0x37/0x50 [ 73.198985] ? sys_vfork+0x30/0x30 [ 73.202613] do_syscall_64+0x1eb/0x630 [ 73.206490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.211686] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 73.216941] RIP: 0033:0x441129 [ 73.220121] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 73.227824] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 73.235181] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 73.242523] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 73.249930] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 73.257189] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 73.266112] enable_cpucache failed for pid_2, error 12 [ 73.271593] kmem_cache_create(pid_2) failed with error -12 [ 73.279706] CPU: 0 PID: 7182 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 73.286710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.296139] Call Trace: [ 73.298726] dump_stack+0x138/0x19c [ 73.302440] kmem_cache_create.cold+0x5c/0x7d [ 73.306940] copy_pid_ns+0x6d8/0xa40 [ 73.310636] ? refcount_inc+0x1f/0x40 [ 73.314430] create_new_namespaces+0x267/0x720 [ 73.319044] copy_namespaces+0x284/0x310 [ 73.323096] copy_process.part.0+0x25f7/0x6950 [ 73.327661] ? get_pid_task+0xbf/0x140 [ 73.331870] ? proc_fail_nth_write+0x7d/0x180 [ 73.336393] ? proc_cwd_link+0x1b0/0x1b0 [ 73.340491] ? __cleanup_sighand+0x50/0x50 [ 73.344727] ? vfs_write+0x25f/0x500 [ 73.348611] _do_fork+0x19e/0xce0 [ 73.352058] ? fork_idle+0x280/0x280 [ 73.355759] ? vfs_write+0x104/0x500 [ 73.359503] ? SyS_write+0x10b/0x180 [ 73.363213] SyS_clone+0x37/0x50 [ 73.366571] ? sys_vfork+0x30/0x30 [ 73.370101] do_syscall_64+0x1eb/0x630 [ 73.373974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.378817] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 73.384052] RIP: 0033:0x441129 [ 73.387335] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 73.395245] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 73.402512] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 73.409776] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 executing program [ 73.417239] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 73.424608] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 73.434918] FAULT_INJECTION: forcing a failure. [ 73.434918] name failslab, interval 1, probability 0, space 0, times 0 [ 73.446194] CPU: 1 PID: 7183 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 73.453193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.462534] Call Trace: [ 73.465158] dump_stack+0x138/0x19c [ 73.468821] should_fail.cold+0x10f/0x159 [ 73.472961] should_failslab+0xdb/0x130 [ 73.477172] kmem_cache_alloc_node_trace+0x283/0x770 [ 73.482262] __kmalloc_node+0x3d/0x80 [ 73.486094] setup_kmem_cache_node+0x15a/0x3f0 [ 73.490790] ? _find_next_bit+0xee/0x120 [ 73.494875] __do_tune_cpucache+0x152/0x200 [ 73.499191] ? __lock_is_held+0xb6/0x140 [ 73.503246] do_tune_cpucache+0x25/0xd0 [ 73.507208] enable_cpucache+0x3e/0xd0 [ 73.511089] setup_cpu_cache+0xd4/0x1e0 [ 73.515047] __kmem_cache_create+0x1b5/0x260 [ 73.519518] create_cache+0xb0/0x1c0 [ 73.523216] kmem_cache_create+0x1ac/0x240 [ 73.527443] copy_pid_ns+0x6d8/0xa40 [ 73.531147] ? refcount_inc+0x1f/0x40 [ 73.535090] create_new_namespaces+0x267/0x720 [ 73.539665] copy_namespaces+0x284/0x310 [ 73.543712] copy_process.part.0+0x25f7/0x6950 [ 73.548621] ? get_pid_task+0xbf/0x140 [ 73.552495] ? proc_fail_nth_write+0x7d/0x180 [ 73.557100] ? proc_cwd_link+0x1b0/0x1b0 [ 73.561156] ? __cleanup_sighand+0x50/0x50 [ 73.565369] ? vfs_write+0x25f/0x500 [ 73.569168] _do_fork+0x19e/0xce0 [ 73.572616] ? fork_idle+0x280/0x280 [ 73.576355] ? vfs_write+0x104/0x500 [ 73.580066] ? SyS_write+0x10b/0x180 [ 73.583792] SyS_clone+0x37/0x50 [ 73.587137] ? sys_vfork+0x30/0x30 [ 73.590781] do_syscall_64+0x1eb/0x630 [ 73.594648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.599489] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 73.604669] RIP: 0033:0x441129 [ 73.607840] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 73.615533] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 73.622795] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 73.630053] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 73.637313] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 73.644573] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 73.652407] enable_cpucache failed for pid_2, error 12 [ 73.659069] kmem_cache_create(pid_2) failed with error -12 [ 73.675713] CPU: 1 PID: 7183 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 73.682720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.692232] Call Trace: [ 73.694911] dump_stack+0x138/0x19c [ 73.698960] kmem_cache_create.cold+0x5c/0x7d [ 73.703527] copy_pid_ns+0x6d8/0xa40 [ 73.707557] ? refcount_inc+0x1f/0x40 [ 73.711427] create_new_namespaces+0x267/0x720 [ 73.716007] copy_namespaces+0x284/0x310 [ 73.720063] copy_process.part.0+0x25f7/0x6950 [ 73.724636] ? get_pid_task+0xbf/0x140 [ 73.728506] ? proc_fail_nth_write+0x7d/0x180 [ 73.733024] ? proc_cwd_link+0x1b0/0x1b0 [ 73.737078] ? __cleanup_sighand+0x50/0x50 [ 73.741301] ? vfs_write+0x25f/0x500 [ 73.745008] _do_fork+0x19e/0xce0 [ 73.748449] ? fork_idle+0x280/0x280 [ 73.752162] ? vfs_write+0x104/0x500 [ 73.755877] ? SyS_write+0x10b/0x180 [ 73.759586] SyS_clone+0x37/0x50 [ 73.762942] ? sys_vfork+0x30/0x30 [ 73.766514] do_syscall_64+0x1eb/0x630 [ 73.770386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.775235] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 73.780556] RIP: 0033:0x441129 [ 73.783732] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 73.791427] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 73.798680] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 73.805930] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 73.813184] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 73.820436] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 73.832292] FAULT_INJECTION: forcing a failure. [ 73.832292] name failslab, interval 1, probability 0, space 0, times 0 [ 73.843671] CPU: 1 PID: 7184 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 73.850773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.860112] Call Trace: [ 73.862791] dump_stack+0x138/0x19c [ 73.866486] should_fail.cold+0x10f/0x159 [ 73.870633] should_failslab+0xdb/0x130 [ 73.874591] kmem_cache_alloc_node_trace+0x283/0x770 [ 73.879671] ? kasan_unpoison_shadow+0x35/0x50 [ 73.884295] __kmalloc_node+0x3d/0x80 [ 73.888085] setup_kmem_cache_node+0x108/0x3f0 [ 73.892789] __do_tune_cpucache+0x152/0x200 [ 73.897197] ? __lock_is_held+0xb6/0x140 [ 73.901284] do_tune_cpucache+0x25/0xd0 [ 73.905253] enable_cpucache+0x3e/0xd0 [ 73.909124] setup_cpu_cache+0xd4/0x1e0 [ 73.913084] __kmem_cache_create+0x1b5/0x260 [ 73.917480] create_cache+0xb0/0x1c0 [ 73.921216] kmem_cache_create+0x1ac/0x240 [ 73.925448] copy_pid_ns+0x6d8/0xa40 [ 73.929158] ? refcount_inc+0x1f/0x40 [ 73.932939] create_new_namespaces+0x267/0x720 [ 73.937511] copy_namespaces+0x284/0x310 [ 73.941557] copy_process.part.0+0x25f7/0x6950 [ 73.946124] ? get_pid_task+0xbf/0x140 [ 73.949994] ? proc_fail_nth_write+0x7d/0x180 [ 73.954650] ? proc_cwd_link+0x1b0/0x1b0 [ 73.958710] ? __cleanup_sighand+0x50/0x50 [ 73.962932] ? vfs_write+0x25f/0x500 [ 73.966635] _do_fork+0x19e/0xce0 [ 73.970077] ? fork_idle+0x280/0x280 [ 73.973870] ? vfs_write+0x104/0x500 [ 73.977580] ? SyS_write+0x10b/0x180 [ 73.981412] SyS_clone+0x37/0x50 [ 73.984857] ? sys_vfork+0x30/0x30 [ 73.988562] do_syscall_64+0x1eb/0x630 [ 73.992425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.997263] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 74.002486] RIP: 0033:0x441129 [ 74.005677] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 74.013405] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 74.020775] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 74.028120] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 74.036078] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 74.043329] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 74.051202] enable_cpucache failed for pid_2, error 12 [ 74.056617] kmem_cache_create(pid_2) failed with error -12 [ 74.062420] CPU: 1 PID: 7184 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 74.069575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.078907] Call Trace: [ 74.081780] dump_stack+0x138/0x19c [ 74.085400] kmem_cache_create.cold+0x5c/0x7d [ 74.089889] copy_pid_ns+0x6d8/0xa40 [ 74.093588] ? refcount_inc+0x1f/0x40 [ 74.097508] create_new_namespaces+0x267/0x720 [ 74.102078] copy_namespaces+0x284/0x310 [ 74.106133] copy_process.part.0+0x25f7/0x6950 [ 74.110700] ? get_pid_task+0xbf/0x140 [ 74.114575] ? proc_fail_nth_write+0x7d/0x180 [ 74.119126] ? proc_cwd_link+0x1b0/0x1b0 [ 74.123181] ? __cleanup_sighand+0x50/0x50 [ 74.127404] ? vfs_write+0x25f/0x500 [ 74.131107] _do_fork+0x19e/0xce0 [ 74.134556] ? fork_idle+0x280/0x280 [ 74.138261] ? vfs_write+0x104/0x500 [ 74.142000] ? SyS_write+0x10b/0x180 [ 74.145701] SyS_clone+0x37/0x50 [ 74.149052] ? sys_vfork+0x30/0x30 [ 74.152645] do_syscall_64+0x1eb/0x630 [ 74.156519] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.161349] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 74.166514] RIP: 0033:0x441129 executing program [ 74.169677] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 74.177487] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 74.184746] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 74.192002] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 74.199255] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 74.206512] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 74.217688] FAULT_INJECTION: forcing a failure. [ 74.217688] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 74.229788] CPU: 0 PID: 7185 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 74.237201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.246554] Call Trace: [ 74.249265] dump_stack+0x138/0x19c [ 74.252977] should_fail.cold+0x10f/0x159 [ 74.257123] __alloc_pages_nodemask+0x1d6/0x7a0 [ 74.261965] ? ____cache_alloc_node+0x162/0x1d0 [ 74.266634] ? __alloc_pages_slowpath+0x2930/0x2930 [ 74.271641] ? ____cache_alloc_node+0x162/0x1d0 [ 74.276808] cache_grow_begin+0x80/0x410 [ 74.281047] ____cache_alloc_node+0x17c/0x1d0 [ 74.286170] ? __might_sleep+0x93/0xb0 [ 74.290059] kmem_cache_alloc_node_trace+0xec/0x770 [ 74.295063] ? kasan_unpoison_shadow+0x35/0x50 [ 74.300018] init_cache_node+0x3e/0x110 [ 74.303983] setup_kmem_cache_node+0x56/0x3f0 [ 74.308587] __do_tune_cpucache+0x152/0x200 [ 74.313124] ? __lock_is_held+0xb6/0x140 [ 74.317232] do_tune_cpucache+0x25/0xd0 [ 74.321218] enable_cpucache+0x3e/0xd0 [ 74.325096] setup_cpu_cache+0xd4/0x1e0 [ 74.329217] __kmem_cache_create+0x1b5/0x260 [ 74.333624] create_cache+0xb0/0x1c0 [ 74.337469] kmem_cache_create+0x1ac/0x240 [ 74.341713] copy_pid_ns+0x6d8/0xa40 [ 74.345428] ? refcount_inc+0x1f/0x40 [ 74.349233] create_new_namespaces+0x267/0x720 [ 74.353825] copy_namespaces+0x284/0x310 [ 74.357893] copy_process.part.0+0x25f7/0x6950 [ 74.362497] ? get_pid_task+0xbf/0x140 [ 74.366389] ? proc_fail_nth_write+0x7d/0x180 [ 74.370887] ? proc_cwd_link+0x1b0/0x1b0 [ 74.374947] ? __cleanup_sighand+0x50/0x50 [ 74.379251] ? vfs_write+0x25f/0x500 [ 74.382968] _do_fork+0x19e/0xce0 [ 74.386418] ? fork_idle+0x280/0x280 [ 74.390131] ? vfs_write+0x104/0x500 [ 74.394324] ? SyS_write+0x10b/0x180 [ 74.398813] SyS_clone+0x37/0x50 [ 74.402318] ? sys_vfork+0x30/0x30 [ 74.405858] do_syscall_64+0x1eb/0x630 [ 74.409740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.414639] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 74.419835] RIP: 0033:0x441129 executing program [ 74.423119] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 74.430829] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 74.438096] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 74.445409] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 74.452758] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 74.460122] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 74.482386] FAULT_INJECTION: forcing a failure. [ 74.482386] name failslab, interval 1, probability 0, space 0, times 0 [ 74.494238] CPU: 0 PID: 7187 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 74.501253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.510804] Call Trace: [ 74.513391] dump_stack+0x138/0x19c [ 74.517010] should_fail.cold+0x10f/0x159 [ 74.521146] should_failslab+0xdb/0x130 [ 74.525122] kmem_cache_alloc+0x2d9/0x780 [ 74.529301] ? proc_parse_options+0x232/0x2b0 [ 74.533788] ? proc_i_callback+0x30/0x30 [ 74.537936] proc_alloc_inode+0x1c/0x1a0 [ 74.542006] alloc_inode+0x66/0x190 [ 74.545620] new_inode_pseudo+0x19/0xf0 [ 74.549790] proc_get_inode+0x20/0x620 [ 74.553676] proc_fill_super+0x1f3/0x2e6 [ 74.557740] mount_ns+0xef/0x190 [ 74.561093] ? proc_get_inode+0x620/0x620 [ 74.565348] proc_mount+0x6a/0xa0 [ 74.568952] mount_fs+0x9d/0x2a7 [ 74.572309] vfs_kern_mount.part.0+0x5e/0x3d0 [ 74.576800] ? rcu_read_lock_sched_held+0x110/0x130 [ 74.581822] kern_mount_data+0x56/0xc0 [ 74.585847] pid_ns_prepare_proc+0x1e/0x90 [ 74.590254] alloc_pid+0x9ef/0xc70 [ 74.593890] copy_process.part.0+0x2723/0x6950 [ 74.598485] ? get_pid_task+0xbf/0x140 [ 74.602372] ? proc_fail_nth_write+0x7d/0x180 [ 74.607091] ? proc_cwd_link+0x1b0/0x1b0 [ 74.611744] ? __cleanup_sighand+0x50/0x50 [ 74.615992] ? vfs_write+0x25f/0x500 [ 74.619859] _do_fork+0x19e/0xce0 [ 74.623304] ? fork_idle+0x280/0x280 [ 74.627016] ? vfs_write+0x104/0x500 [ 74.630727] ? SyS_write+0x10b/0x180 [ 74.634445] SyS_clone+0x37/0x50 [ 74.637818] ? sys_vfork+0x30/0x30 [ 74.641362] do_syscall_64+0x1eb/0x630 [ 74.645360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.650212] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 74.655514] RIP: 0033:0x441129 [ 74.658693] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 74.666735] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 74.674134] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa executing program [ 74.681393] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 74.688648] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 74.696318] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 74.703817] proc_fill_super: get root inode failed [ 74.711639] FAULT_INJECTION: forcing a failure. [ 74.711639] name failslab, interval 1, probability 0, space 0, times 0 [ 74.739041] CPU: 0 PID: 7189 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 74.746083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.755547] Call Trace: [ 74.758130] dump_stack+0x138/0x19c [ 74.761746] should_fail.cold+0x10f/0x159 [ 74.765991] should_failslab+0xdb/0x130 [ 74.769950] __kmalloc+0x2f3/0x7a0 [ 74.773672] ? __list_lru_init+0x6b/0x630 [ 74.777822] __list_lru_init+0x6b/0x630 [ 74.781847] sget_userns+0x4e3/0xc30 [ 74.785557] ? set_anon_super+0x20/0x20 [ 74.789525] ? get_empty_filp.cold+0x3b/0x3b [ 74.793919] mount_ns+0x6d/0x190 [ 74.797304] ? proc_get_inode+0x620/0x620 [ 74.801444] proc_mount+0x6a/0xa0 [ 74.804932] mount_fs+0x9d/0x2a7 [ 74.808388] vfs_kern_mount.part.0+0x5e/0x3d0 [ 74.812864] ? rcu_read_lock_sched_held+0x110/0x130 [ 74.817866] kern_mount_data+0x56/0xc0 [ 74.821856] pid_ns_prepare_proc+0x1e/0x90 [ 74.826088] alloc_pid+0x9ef/0xc70 [ 74.829619] copy_process.part.0+0x2723/0x6950 [ 74.834196] ? get_pid_task+0xbf/0x140 [ 74.838073] ? proc_fail_nth_write+0x7d/0x180 [ 74.842558] ? proc_cwd_link+0x1b0/0x1b0 [ 74.846616] ? __cleanup_sighand+0x50/0x50 [ 74.850842] ? vfs_write+0x25f/0x500 [ 74.854659] _do_fork+0x19e/0xce0 [ 74.858104] ? fork_idle+0x280/0x280 [ 74.861812] ? vfs_write+0x104/0x500 [ 74.865626] ? SyS_write+0x10b/0x180 [ 74.869447] SyS_clone+0x37/0x50 [ 74.872858] ? sys_vfork+0x30/0x30 [ 74.876398] do_syscall_64+0x1eb/0x630 [ 74.880267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.885109] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 74.890281] RIP: 0033:0x441129 [ 74.893470] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 74.901280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 74.908595] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 74.915891] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 74.923252] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 74.930514] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 74.941053] FAULT_INJECTION: forcing a failure. [ 74.941053] name failslab, interval 1, probability 0, space 0, times 0 [ 74.952652] CPU: 1 PID: 7191 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 74.959654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.968991] Call Trace: [ 74.971699] dump_stack+0x138/0x19c [ 74.975395] should_fail.cold+0x10f/0x159 [ 74.979707] should_failslab+0xdb/0x130 [ 74.983679] kmem_cache_alloc_trace+0x2ec/0x790 [ 74.988343] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 74.994006] ? sget_userns+0xfe/0xc30 [ 74.997795] ? rcu_read_lock_sched_held+0x110/0x130 [ 75.002803] selinux_sb_alloc_security+0x46/0x220 [ 75.007717] security_sb_alloc+0x73/0xb0 [ 75.011881] sget_userns+0x196/0xc30 [ 75.015579] ? set_anon_super+0x20/0x20 [ 75.019543] ? get_empty_filp.cold+0x3b/0x3b [ 75.024043] mount_ns+0x6d/0x190 [ 75.027437] ? proc_get_inode+0x620/0x620 [ 75.031595] proc_mount+0x6a/0xa0 [ 75.035042] mount_fs+0x9d/0x2a7 [ 75.038394] vfs_kern_mount.part.0+0x5e/0x3d0 [ 75.042882] ? rcu_read_lock_sched_held+0x110/0x130 [ 75.047894] kern_mount_data+0x56/0xc0 [ 75.051778] pid_ns_prepare_proc+0x1e/0x90 [ 75.056092] alloc_pid+0x9ef/0xc70 [ 75.059681] copy_process.part.0+0x2723/0x6950 [ 75.064251] ? get_pid_task+0xbf/0x140 [ 75.068293] ? proc_fail_nth_write+0x7d/0x180 [ 75.072775] ? proc_cwd_link+0x1b0/0x1b0 [ 75.076821] ? __cleanup_sighand+0x50/0x50 [ 75.081046] ? vfs_write+0x25f/0x500 [ 75.084745] _do_fork+0x19e/0xce0 [ 75.088251] ? fork_idle+0x280/0x280 [ 75.091962] ? vfs_write+0x104/0x500 [ 75.095688] ? SyS_write+0x10b/0x180 [ 75.099383] SyS_clone+0x37/0x50 [ 75.102728] ? sys_vfork+0x30/0x30 [ 75.106338] do_syscall_64+0x1eb/0x630 [ 75.110217] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.115053] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 75.120221] RIP: 0033:0x441129 [ 75.123479] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 executing program [ 75.131255] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 75.138626] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 75.145892] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 75.153148] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 75.160492] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 75.172286] FAULT_INJECTION: forcing a failure. [ 75.172286] name failslab, interval 1, probability 0, space 0, times 0 [ 75.183576] CPU: 1 PID: 7193 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 75.190578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.199916] Call Trace: [ 75.202497] dump_stack+0x138/0x19c [ 75.206108] should_fail.cold+0x10f/0x159 [ 75.210285] should_failslab+0xdb/0x130 [ 75.214412] kmem_cache_alloc_trace+0x2ec/0x790 [ 75.219066] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 75.224495] ? sget_userns+0xfe/0xc30 [ 75.228277] ? rcu_read_lock_sched_held+0x110/0x130 [ 75.233284] selinux_sb_alloc_security+0x46/0x220 [ 75.238110] security_sb_alloc+0x73/0xb0 [ 75.242158] sget_userns+0x196/0xc30 [ 75.245853] ? set_anon_super+0x20/0x20 [ 75.249817] ? get_empty_filp.cold+0x3b/0x3b [ 75.254383] mount_ns+0x6d/0x190 [ 75.257728] ? proc_get_inode+0x620/0x620 [ 75.261854] proc_mount+0x6a/0xa0 [ 75.265285] mount_fs+0x9d/0x2a7 [ 75.268714] vfs_kern_mount.part.0+0x5e/0x3d0 [ 75.273290] ? rcu_read_lock_sched_held+0x110/0x130 [ 75.278299] kern_mount_data+0x56/0xc0 [ 75.282181] pid_ns_prepare_proc+0x1e/0x90 [ 75.286495] alloc_pid+0x9ef/0xc70 [ 75.290142] copy_process.part.0+0x2723/0x6950 [ 75.294722] ? get_pid_task+0xbf/0x140 [ 75.298719] ? proc_fail_nth_write+0x7d/0x180 [ 75.303312] ? proc_cwd_link+0x1b0/0x1b0 [ 75.307362] ? __cleanup_sighand+0x50/0x50 [ 75.311621] ? vfs_write+0x25f/0x500 [ 75.315403] _do_fork+0x19e/0xce0 [ 75.318849] ? fork_idle+0x280/0x280 [ 75.322542] ? vfs_write+0x104/0x500 [ 75.326231] ? SyS_write+0x10b/0x180 [ 75.329928] SyS_clone+0x37/0x50 [ 75.333280] ? sys_vfork+0x30/0x30 [ 75.336812] do_syscall_64+0x1eb/0x630 [ 75.340696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.345635] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 75.350917] RIP: 0033:0x441129 [ 75.354087] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 75.361778] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 75.369119] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 75.376369] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 executing program [ 75.383623] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 75.390877] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 75.402130] FAULT_INJECTION: forcing a failure. [ 75.402130] name failslab, interval 1, probability 0, space 0, times 0 [ 75.413543] CPU: 1 PID: 7195 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 75.420628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.429959] Call Trace: [ 75.432536] dump_stack+0x138/0x19c [ 75.436199] should_fail.cold+0x10f/0x159 [ 75.440348] should_failslab+0xdb/0x130 [ 75.444317] __kmalloc+0x2f3/0x7a0 [ 75.447866] ? __list_lru_init+0x6b/0x630 [ 75.452005] __list_lru_init+0x6b/0x630 [ 75.455974] sget_userns+0x4e3/0xc30 [ 75.459676] ? set_anon_super+0x20/0x20 [ 75.463631] ? get_empty_filp.cold+0x3b/0x3b [ 75.468261] mount_ns+0x6d/0x190 [ 75.471634] ? proc_get_inode+0x620/0x620 [ 75.475771] proc_mount+0x6a/0xa0 [ 75.479233] mount_fs+0x9d/0x2a7 [ 75.482595] vfs_kern_mount.part.0+0x5e/0x3d0 [ 75.487081] ? rcu_read_lock_sched_held+0x110/0x130 [ 75.492126] kern_mount_data+0x56/0xc0 [ 75.496017] pid_ns_prepare_proc+0x1e/0x90 [ 75.500242] alloc_pid+0x9ef/0xc70 [ 75.503773] copy_process.part.0+0x2723/0x6950 [ 75.508378] ? get_pid_task+0xbf/0x140 [ 75.512254] ? proc_fail_nth_write+0x7d/0x180 [ 75.516726] ? proc_cwd_link+0x1b0/0x1b0 [ 75.520780] ? __cleanup_sighand+0x50/0x50 [ 75.525050] ? vfs_write+0x25f/0x500 [ 75.528761] _do_fork+0x19e/0xce0 [ 75.532205] ? fork_idle+0x280/0x280 [ 75.535958] ? vfs_write+0x104/0x500 [ 75.539680] ? SyS_write+0x10b/0x180 [ 75.543431] SyS_clone+0x37/0x50 [ 75.546807] ? sys_vfork+0x30/0x30 [ 75.550336] do_syscall_64+0x1eb/0x630 [ 75.554198] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.559030] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 75.564205] RIP: 0033:0x441129 [ 75.567380] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 75.575171] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 executing program [ 75.582431] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 75.589694] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 75.596948] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 75.604202] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 75.615303] FAULT_INJECTION: forcing a failure. [ 75.615303] name failslab, interval 1, probability 0, space 0, times 0 [ 75.626717] CPU: 0 PID: 7197 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 75.633736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.643203] Call Trace: [ 75.645781] dump_stack+0x138/0x19c [ 75.649398] should_fail.cold+0x10f/0x159 [ 75.653536] should_failslab+0xdb/0x130 [ 75.657500] __kmalloc+0x2f3/0x7a0 [ 75.661030] ? __list_lru_init+0x6b/0x630 [ 75.665162] __list_lru_init+0x6b/0x630 [ 75.669242] sget_userns+0x4e3/0xc30 [ 75.672942] ? set_anon_super+0x20/0x20 [ 75.677021] ? get_empty_filp.cold+0x3b/0x3b [ 75.681472] mount_ns+0x6d/0x190 [ 75.684836] ? proc_get_inode+0x620/0x620 [ 75.688976] proc_mount+0x6a/0xa0 [ 75.692441] mount_fs+0x9d/0x2a7 [ 75.695815] vfs_kern_mount.part.0+0x5e/0x3d0 [ 75.700310] ? rcu_read_lock_sched_held+0x110/0x130 [ 75.705323] kern_mount_data+0x56/0xc0 [ 75.709207] pid_ns_prepare_proc+0x1e/0x90 [ 75.713436] alloc_pid+0x9ef/0xc70 [ 75.717001] copy_process.part.0+0x2723/0x6950 [ 75.721596] ? get_pid_task+0xbf/0x140 [ 75.725478] ? proc_fail_nth_write+0x7d/0x180 [ 75.729961] ? proc_cwd_link+0x1b0/0x1b0 [ 75.734019] ? __cleanup_sighand+0x50/0x50 [ 75.738275] ? vfs_write+0x25f/0x500 [ 75.741993] _do_fork+0x19e/0xce0 [ 75.745440] ? fork_idle+0x280/0x280 [ 75.749153] ? vfs_write+0x104/0x500 [ 75.752877] ? SyS_write+0x10b/0x180 [ 75.756582] SyS_clone+0x37/0x50 [ 75.759935] ? sys_vfork+0x30/0x30 [ 75.763473] do_syscall_64+0x1eb/0x630 [ 75.767352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.772197] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 75.777381] RIP: 0033:0x441129 executing program [ 75.780558] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 75.790732] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 75.797988] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 75.805244] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 75.812519] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 75.819790] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 75.830212] FAULT_INJECTION: forcing a failure. [ 75.830212] name failslab, interval 1, probability 0, space 0, times 0 [ 75.841753] CPU: 0 PID: 7199 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 75.848828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.858176] Call Trace: [ 75.860765] dump_stack+0x138/0x19c [ 75.864388] should_fail.cold+0x10f/0x159 [ 75.868546] should_failslab+0xdb/0x130 [ 75.872545] __kmalloc+0x2f3/0x7a0 [ 75.876076] ? __list_lru_init+0x6b/0x630 [ 75.880240] __list_lru_init+0x6b/0x630 [ 75.884215] sget_userns+0x4e3/0xc30 [ 75.887915] ? set_anon_super+0x20/0x20 [ 75.891879] ? get_empty_filp.cold+0x3b/0x3b [ 75.896273] mount_ns+0x6d/0x190 [ 75.899648] ? proc_get_inode+0x620/0x620 [ 75.903809] proc_mount+0x6a/0xa0 [ 75.907276] mount_fs+0x9d/0x2a7 [ 75.910641] vfs_kern_mount.part.0+0x5e/0x3d0 [ 75.915166] ? rcu_read_lock_sched_held+0x110/0x130 [ 75.920199] kern_mount_data+0x56/0xc0 [ 75.924086] pid_ns_prepare_proc+0x1e/0x90 [ 75.928332] alloc_pid+0x9ef/0xc70 [ 75.931875] copy_process.part.0+0x2723/0x6950 [ 75.936449] ? get_pid_task+0xbf/0x140 [ 75.940345] ? proc_fail_nth_write+0x7d/0x180 [ 75.944833] ? proc_cwd_link+0x1b0/0x1b0 [ 75.948886] ? __cleanup_sighand+0x50/0x50 [ 75.953108] ? vfs_write+0x25f/0x500 [ 75.956861] _do_fork+0x19e/0xce0 [ 75.960398] ? fork_idle+0x280/0x280 [ 75.964103] ? vfs_write+0x104/0x500 [ 75.967802] ? SyS_write+0x10b/0x180 [ 75.971509] SyS_clone+0x37/0x50 [ 75.974862] ? sys_vfork+0x30/0x30 [ 75.978387] do_syscall_64+0x1eb/0x630 [ 75.982262] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 75.987096] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 75.992270] RIP: 0033:0x441129 [ 75.995471] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 76.003172] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 76.010436] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 76.017705] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 76.024965] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 76.032227] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 76.042679] FAULT_INJECTION: forcing a failure. [ 76.042679] name failslab, interval 1, probability 0, space 0, times 0 [ 76.053966] CPU: 1 PID: 7201 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 76.060977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.070323] Call Trace: [ 76.072903] dump_stack+0x138/0x19c [ 76.076520] should_fail.cold+0x10f/0x159 [ 76.080663] should_failslab+0xdb/0x130 [ 76.084653] __kmalloc+0x2f3/0x7a0 [ 76.088241] ? __list_lru_init+0x6b/0x630 [ 76.092388] __list_lru_init+0x6b/0x630 [ 76.096349] sget_userns+0x4e3/0xc30 [ 76.100100] ? set_anon_super+0x20/0x20 [ 76.104061] ? get_empty_filp.cold+0x3b/0x3b [ 76.108469] mount_ns+0x6d/0x190 [ 76.111822] ? proc_get_inode+0x620/0x620 [ 76.115966] proc_mount+0x6a/0xa0 [ 76.119433] mount_fs+0x9d/0x2a7 [ 76.122801] vfs_kern_mount.part.0+0x5e/0x3d0 [ 76.127283] ? rcu_read_lock_sched_held+0x110/0x130 [ 76.132303] kern_mount_data+0x56/0xc0 [ 76.136182] pid_ns_prepare_proc+0x1e/0x90 [ 76.140408] alloc_pid+0x9ef/0xc70 [ 76.143942] copy_process.part.0+0x2723/0x6950 [ 76.148521] ? get_pid_task+0xbf/0x140 [ 76.152408] ? proc_fail_nth_write+0x7d/0x180 [ 76.156886] ? proc_cwd_link+0x1b0/0x1b0 [ 76.160940] ? __cleanup_sighand+0x50/0x50 [ 76.165212] ? vfs_write+0x25f/0x500 [ 76.168954] _do_fork+0x19e/0xce0 [ 76.172413] ? fork_idle+0x280/0x280 [ 76.176115] ? vfs_write+0x104/0x500 [ 76.179829] ? SyS_write+0x10b/0x180 [ 76.183536] SyS_clone+0x37/0x50 [ 76.187073] ? sys_vfork+0x30/0x30 [ 76.190600] do_syscall_64+0x1eb/0x630 [ 76.194478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.199322] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 76.204499] RIP: 0033:0x441129 [ 76.207693] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 76.215414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 76.222672] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 76.229933] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 executing program [ 76.237187] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 76.244464] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 76.255271] FAULT_INJECTION: forcing a failure. [ 76.255271] name failslab, interval 1, probability 0, space 0, times 0 [ 76.266755] CPU: 0 PID: 7203 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 76.273760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.283258] Call Trace: [ 76.285837] dump_stack+0x138/0x19c [ 76.289470] should_fail.cold+0x10f/0x159 [ 76.293614] should_failslab+0xdb/0x130 [ 76.297585] kmem_cache_alloc_trace+0x2ec/0x790 [ 76.302244] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 76.307681] ? sget_userns+0xfe/0xc30 [ 76.311474] ? rcu_read_lock_sched_held+0x110/0x130 [ 76.316493] selinux_sb_alloc_security+0x46/0x220 [ 76.321328] security_sb_alloc+0x73/0xb0 [ 76.325383] sget_userns+0x196/0xc30 [ 76.329084] ? set_anon_super+0x20/0x20 [ 76.333061] ? get_empty_filp.cold+0x3b/0x3b [ 76.337465] mount_ns+0x6d/0x190 [ 76.340821] ? proc_get_inode+0x620/0x620 [ 76.344956] proc_mount+0x6a/0xa0 [ 76.348452] mount_fs+0x9d/0x2a7 [ 76.351877] vfs_kern_mount.part.0+0x5e/0x3d0 [ 76.356361] ? rcu_read_lock_sched_held+0x110/0x130 [ 76.361372] kern_mount_data+0x56/0xc0 [ 76.365249] pid_ns_prepare_proc+0x1e/0x90 [ 76.369494] alloc_pid+0x9ef/0xc70 [ 76.373029] copy_process.part.0+0x2723/0x6950 [ 76.377607] ? get_pid_task+0xbf/0x140 [ 76.381498] ? proc_fail_nth_write+0x7d/0x180 [ 76.385977] ? proc_cwd_link+0x1b0/0x1b0 [ 76.390041] ? __cleanup_sighand+0x50/0x50 [ 76.394282] ? vfs_write+0x25f/0x500 [ 76.398002] _do_fork+0x19e/0xce0 [ 76.401448] ? fork_idle+0x280/0x280 [ 76.405153] ? vfs_write+0x104/0x500 [ 76.408856] ? SyS_write+0x10b/0x180 [ 76.412580] SyS_clone+0x37/0x50 [ 76.415958] ? sys_vfork+0x30/0x30 [ 76.419510] do_syscall_64+0x1eb/0x630 [ 76.423385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.428220] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 76.433398] RIP: 0033:0x441129 [ 76.436597] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 executing program [ 76.444298] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 76.451663] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 76.458943] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 76.466205] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 76.473498] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 76.484405] FAULT_INJECTION: forcing a failure. [ 76.484405] name failslab, interval 1, probability 0, space 0, times 0 [ 76.495820] CPU: 1 PID: 7205 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 76.502838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.512228] Call Trace: [ 76.514862] dump_stack+0x138/0x19c [ 76.520842] should_fail.cold+0x10f/0x159 [ 76.524991] should_failslab+0xdb/0x130 [ 76.528967] kmem_cache_alloc_trace+0x2ec/0x790 [ 76.533626] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 76.539064] ? sget_userns+0xfe/0xc30 [ 76.542855] ? rcu_read_lock_sched_held+0x110/0x130 [ 76.547866] selinux_sb_alloc_security+0x46/0x220 [ 76.552712] security_sb_alloc+0x73/0xb0 [ 76.556770] sget_userns+0x196/0xc30 [ 76.560488] ? set_anon_super+0x20/0x20 [ 76.564468] ? get_empty_filp.cold+0x3b/0x3b [ 76.569024] mount_ns+0x6d/0x190 [ 76.572406] ? proc_get_inode+0x620/0x620 [ 76.576548] proc_mount+0x6a/0xa0 [ 76.580024] mount_fs+0x9d/0x2a7 [ 76.583395] vfs_kern_mount.part.0+0x5e/0x3d0 [ 76.587878] ? rcu_read_lock_sched_held+0x110/0x130 [ 76.592900] kern_mount_data+0x56/0xc0 [ 76.596778] pid_ns_prepare_proc+0x1e/0x90 [ 76.601001] alloc_pid+0x9ef/0xc70 [ 76.604536] copy_process.part.0+0x2723/0x6950 [ 76.609112] ? get_pid_task+0xbf/0x140 [ 76.612989] ? proc_fail_nth_write+0x7d/0x180 [ 76.617476] ? proc_cwd_link+0x1b0/0x1b0 [ 76.621532] ? __cleanup_sighand+0x50/0x50 [ 76.625754] ? vfs_write+0x25f/0x500 [ 76.629490] _do_fork+0x19e/0xce0 [ 76.632936] ? fork_idle+0x280/0x280 [ 76.636637] ? vfs_write+0x104/0x500 [ 76.640351] ? SyS_write+0x10b/0x180 [ 76.644056] SyS_clone+0x37/0x50 [ 76.647587] ? sys_vfork+0x30/0x30 [ 76.651125] do_syscall_64+0x1eb/0x630 [ 76.672792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.677636] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 76.682897] RIP: 0033:0x441129 [ 76.686070] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 executing program [ 76.693773] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 76.701034] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 76.708295] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 76.715837] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 76.725513] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 76.737187] FAULT_INJECTION: forcing a failure. [ 76.737187] name failslab, interval 1, probability 0, space 0, times 0 [ 76.748728] CPU: 0 PID: 7207 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 76.755767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.765555] Call Trace: [ 76.768140] dump_stack+0x138/0x19c [ 76.771802] should_fail.cold+0x10f/0x159 [ 76.776158] should_failslab+0xdb/0x130 [ 76.780330] __kmalloc+0x2f3/0x7a0 [ 76.783928] ? __list_lru_init+0x6b/0x630 [ 76.788160] __list_lru_init+0x6b/0x630 [ 76.792155] sget_userns+0x4e3/0xc30 [ 76.795890] ? set_anon_super+0x20/0x20 [ 76.799955] ? get_empty_filp.cold+0x3b/0x3b [ 76.804352] mount_ns+0x6d/0x190 [ 76.807716] ? proc_get_inode+0x620/0x620 [ 76.811873] proc_mount+0x6a/0xa0 [ 76.815318] mount_fs+0x9d/0x2a7 [ 76.818671] vfs_kern_mount.part.0+0x5e/0x3d0 [ 76.823157] ? rcu_read_lock_sched_held+0x110/0x130 [ 76.828164] kern_mount_data+0x56/0xc0 [ 76.832061] pid_ns_prepare_proc+0x1e/0x90 [ 76.836289] alloc_pid+0x9ef/0xc70 [ 76.839824] copy_process.part.0+0x2723/0x6950 [ 76.844400] ? get_pid_task+0xbf/0x140 [ 76.848272] ? proc_fail_nth_write+0x7d/0x180 [ 76.852753] ? proc_cwd_link+0x1b0/0x1b0 [ 76.856846] ? __cleanup_sighand+0x50/0x50 [ 76.861079] ? vfs_write+0x25f/0x500 [ 76.864797] _do_fork+0x19e/0xce0 [ 76.868239] ? fork_idle+0x280/0x280 [ 76.871938] ? vfs_write+0x104/0x500 [ 76.875637] ? SyS_write+0x10b/0x180 [ 76.879345] SyS_clone+0x37/0x50 [ 76.882724] ? sys_vfork+0x30/0x30 [ 76.886261] do_syscall_64+0x1eb/0x630 [ 76.890166] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.895017] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 76.900207] RIP: 0033:0x441129 [ 76.903383] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 76.911078] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 76.918334] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 76.925618] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 76.932891] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 76.940143] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 76.954495] FAULT_INJECTION: forcing a failure. [ 76.954495] name failslab, interval 1, probability 0, space 0, times 0 [ 76.966168] CPU: 0 PID: 7209 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 76.973190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.982558] Call Trace: [ 76.985153] dump_stack+0x138/0x19c [ 76.988824] should_fail.cold+0x10f/0x159 [ 76.993080] should_failslab+0xdb/0x130 [ 76.997050] kmem_cache_alloc_trace+0x2ec/0x790 [ 77.001717] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 77.007158] ? sget_userns+0xfe/0xc30 [ 77.010954] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.015960] selinux_sb_alloc_security+0x46/0x220 [ 77.020791] security_sb_alloc+0x73/0xb0 [ 77.024867] sget_userns+0x196/0xc30 [ 77.028564] ? set_anon_super+0x20/0x20 [ 77.032524] ? get_empty_filp.cold+0x3b/0x3b [ 77.036918] mount_ns+0x6d/0x190 [ 77.040272] ? proc_get_inode+0x620/0x620 [ 77.044410] proc_mount+0x6a/0xa0 [ 77.047861] mount_fs+0x9d/0x2a7 [ 77.051217] vfs_kern_mount.part.0+0x5e/0x3d0 [ 77.055699] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.060788] kern_mount_data+0x56/0xc0 [ 77.064694] pid_ns_prepare_proc+0x1e/0x90 [ 77.068920] alloc_pid+0x9ef/0xc70 [ 77.072465] copy_process.part.0+0x2723/0x6950 [ 77.077046] ? get_pid_task+0xbf/0x140 [ 77.080948] ? proc_fail_nth_write+0x7d/0x180 [ 77.085444] ? proc_cwd_link+0x1b0/0x1b0 [ 77.089509] ? __cleanup_sighand+0x50/0x50 [ 77.093737] ? vfs_write+0x25f/0x500 [ 77.097445] _do_fork+0x19e/0xce0 [ 77.100892] ? fork_idle+0x280/0x280 [ 77.104590] ? vfs_write+0x104/0x500 [ 77.108312] ? SyS_write+0x10b/0x180 [ 77.112018] SyS_clone+0x37/0x50 [ 77.115425] ? sys_vfork+0x30/0x30 [ 77.118962] do_syscall_64+0x1eb/0x630 [ 77.122840] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.127816] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 77.133002] RIP: 0033:0x441129 [ 77.136180] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 executing program [ 77.143907] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 77.151168] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 77.158432] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 77.165695] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 77.173055] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 77.189025] FAULT_INJECTION: forcing a failure. [ 77.189025] name failslab, interval 1, probability 0, space 0, times 0 [ 77.200360] CPU: 1 PID: 7211 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 77.207365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.216721] Call Trace: [ 77.219304] dump_stack+0x138/0x19c [ 77.222933] should_fail.cold+0x10f/0x159 [ 77.227081] should_failslab+0xdb/0x130 [ 77.231069] kmem_cache_alloc_trace+0x2ec/0x790 [ 77.235732] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 77.241185] ? sget_userns+0xfe/0xc30 [ 77.244988] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.250031] selinux_sb_alloc_security+0x46/0x220 [ 77.254879] security_sb_alloc+0x73/0xb0 [ 77.258930] sget_userns+0x196/0xc30 [ 77.262647] ? set_anon_super+0x20/0x20 [ 77.266633] ? get_empty_filp.cold+0x3b/0x3b [ 77.271063] mount_ns+0x6d/0x190 [ 77.274418] ? proc_get_inode+0x620/0x620 [ 77.278556] proc_mount+0x6a/0xa0 [ 77.282016] mount_fs+0x9d/0x2a7 [ 77.285375] vfs_kern_mount.part.0+0x5e/0x3d0 [ 77.289862] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.294879] kern_mount_data+0x56/0xc0 [ 77.298759] pid_ns_prepare_proc+0x1e/0x90 [ 77.302989] alloc_pid+0x9ef/0xc70 [ 77.306529] copy_process.part.0+0x2723/0x6950 [ 77.311107] ? get_pid_task+0xbf/0x140 [ 77.315008] ? proc_fail_nth_write+0x7d/0x180 [ 77.319491] ? proc_cwd_link+0x1b0/0x1b0 [ 77.323544] ? __cleanup_sighand+0x50/0x50 [ 77.328273] ? vfs_write+0x25f/0x500 [ 77.331985] _do_fork+0x19e/0xce0 [ 77.335468] ? fork_idle+0x280/0x280 [ 77.339290] ? vfs_write+0x104/0x500 [ 77.342994] ? SyS_write+0x10b/0x180 [ 77.346703] SyS_clone+0x37/0x50 [ 77.350091] ? sys_vfork+0x30/0x30 [ 77.353623] do_syscall_64+0x1eb/0x630 [ 77.357499] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.362349] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 77.367533] RIP: 0033:0x441129 [ 77.370712] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 77.378411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 77.385674] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa executing program [ 77.392938] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 77.400204] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 77.407469] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 77.419035] FAULT_INJECTION: forcing a failure. [ 77.419035] name failslab, interval 1, probability 0, space 0, times 0 [ 77.430446] CPU: 0 PID: 7213 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 77.437594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.446937] Call Trace: [ 77.449522] dump_stack+0x138/0x19c [ 77.453150] should_fail.cold+0x10f/0x159 [ 77.457294] should_failslab+0xdb/0x130 [ 77.461261] kmem_cache_alloc_trace+0x2ec/0x790 [ 77.465920] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 77.471357] ? sget_userns+0xfe/0xc30 [ 77.475142] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.480157] selinux_sb_alloc_security+0x46/0x220 [ 77.484998] security_sb_alloc+0x73/0xb0 [ 77.489048] sget_userns+0x196/0xc30 [ 77.492786] ? set_anon_super+0x20/0x20 [ 77.496760] ? get_empty_filp.cold+0x3b/0x3b [ 77.501171] mount_ns+0x6d/0x190 [ 77.504529] ? proc_get_inode+0x620/0x620 [ 77.508658] proc_mount+0x6a/0xa0 [ 77.512128] mount_fs+0x9d/0x2a7 [ 77.515490] vfs_kern_mount.part.0+0x5e/0x3d0 [ 77.519970] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.524979] kern_mount_data+0x56/0xc0 [ 77.528852] pid_ns_prepare_proc+0x1e/0x90 [ 77.533072] alloc_pid+0x9ef/0xc70 [ 77.536625] copy_process.part.0+0x2723/0x6950 [ 77.541201] ? get_pid_task+0xbf/0x140 [ 77.545074] ? proc_fail_nth_write+0x7d/0x180 [ 77.549554] ? proc_cwd_link+0x1b0/0x1b0 [ 77.553605] ? __cleanup_sighand+0x50/0x50 [ 77.557858] ? vfs_write+0x25f/0x500 [ 77.561561] _do_fork+0x19e/0xce0 [ 77.564999] ? fork_idle+0x280/0x280 [ 77.568731] ? vfs_write+0x104/0x500 [ 77.572432] ? SyS_write+0x10b/0x180 [ 77.576137] SyS_clone+0x37/0x50 [ 77.579508] ? sys_vfork+0x30/0x30 [ 77.583048] do_syscall_64+0x1eb/0x630 [ 77.586924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.591793] entry_SYSCALL_64_after_hwframe+0x42/0xb7 executing program [ 77.597003] RIP: 0033:0x441129 [ 77.600188] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 77.607908] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 77.615176] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 77.622465] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 77.629746] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 77.637018] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 77.647258] FAULT_INJECTION: forcing a failure. [ 77.647258] name failslab, interval 1, probability 0, space 0, times 0 [ 77.658660] CPU: 1 PID: 7215 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 77.665700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.675167] Call Trace: [ 77.677753] dump_stack+0x138/0x19c [ 77.681392] should_fail.cold+0x10f/0x159 [ 77.685542] should_failslab+0xdb/0x130 [ 77.689519] __kmalloc+0x2f3/0x7a0 [ 77.693055] ? __list_lru_init+0x6b/0x630 [ 77.697199] __list_lru_init+0x6b/0x630 [ 77.701198] sget_userns+0x4e3/0xc30 [ 77.704906] ? set_anon_super+0x20/0x20 [ 77.708875] ? get_empty_filp.cold+0x3b/0x3b [ 77.713282] mount_ns+0x6d/0x190 [ 77.716641] ? proc_get_inode+0x620/0x620 [ 77.720794] proc_mount+0x6a/0xa0 [ 77.724244] mount_fs+0x9d/0x2a7 [ 77.727616] vfs_kern_mount.part.0+0x5e/0x3d0 [ 77.732101] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.737106] kern_mount_data+0x56/0xc0 [ 77.741012] pid_ns_prepare_proc+0x1e/0x90 [ 77.745251] alloc_pid+0x9ef/0xc70 [ 77.748786] copy_process.part.0+0x2723/0x6950 [ 77.753376] ? get_pid_task+0xbf/0x140 [ 77.757257] ? proc_fail_nth_write+0x7d/0x180 [ 77.761735] ? proc_cwd_link+0x1b0/0x1b0 [ 77.765787] ? __cleanup_sighand+0x50/0x50 [ 77.770012] ? vfs_write+0x25f/0x500 [ 77.773739] _do_fork+0x19e/0xce0 [ 77.777281] ? fork_idle+0x280/0x280 [ 77.780987] ? vfs_write+0x104/0x500 [ 77.784692] ? SyS_write+0x10b/0x180 [ 77.788399] SyS_clone+0x37/0x50 [ 77.791788] ? sys_vfork+0x30/0x30 [ 77.795332] do_syscall_64+0x1eb/0x630 [ 77.799206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.804044] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 77.809251] RIP: 0033:0x441129 [ 77.812422] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 77.820136] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 77.827396] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 77.834658] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 77.841920] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 77.849186] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 77.860672] FAULT_INJECTION: forcing a failure. [ 77.860672] name failslab, interval 1, probability 0, space 0, times 0 [ 77.871984] CPU: 1 PID: 7217 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 77.878994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.888343] Call Trace: [ 77.890924] dump_stack+0x138/0x19c [ 77.894550] should_fail.cold+0x10f/0x159 [ 77.898698] should_failslab+0xdb/0x130 [ 77.902706] kmem_cache_alloc_trace+0x2ec/0x790 [ 77.907382] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 77.912850] ? sget_userns+0xfe/0xc30 [ 77.916656] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.921692] selinux_sb_alloc_security+0x46/0x220 [ 77.926539] security_sb_alloc+0x73/0xb0 [ 77.930590] sget_userns+0x196/0xc30 [ 77.934290] ? set_anon_super+0x20/0x20 [ 77.938270] ? get_empty_filp.cold+0x3b/0x3b [ 77.942687] mount_ns+0x6d/0x190 [ 77.946049] ? proc_get_inode+0x620/0x620 [ 77.950235] proc_mount+0x6a/0xa0 [ 77.953708] mount_fs+0x9d/0x2a7 [ 77.957090] vfs_kern_mount.part.0+0x5e/0x3d0 [ 77.961589] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.966598] kern_mount_data+0x56/0xc0 [ 77.970618] pid_ns_prepare_proc+0x1e/0x90 [ 77.974853] alloc_pid+0x9ef/0xc70 [ 77.978417] copy_process.part.0+0x2723/0x6950 [ 77.983004] ? get_pid_task+0xbf/0x140 [ 77.986918] ? proc_fail_nth_write+0x7d/0x180 [ 77.991427] ? proc_cwd_link+0x1b0/0x1b0 [ 77.995494] ? __cleanup_sighand+0x50/0x50 [ 77.999722] ? vfs_write+0x25f/0x500 [ 78.003436] _do_fork+0x19e/0xce0 [ 78.006898] ? fork_idle+0x280/0x280 [ 78.010611] ? vfs_write+0x104/0x500 [ 78.014317] ? SyS_write+0x10b/0x180 [ 78.018024] SyS_clone+0x37/0x50 [ 78.021376] ? sys_vfork+0x30/0x30 [ 78.024903] do_syscall_64+0x1eb/0x630 [ 78.028791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.033625] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 78.038805] RIP: 0033:0x441129 [ 78.041990] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 executing program [ 78.049688] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 78.056976] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 78.064256] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 78.071514] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 78.078771] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 78.090696] FAULT_INJECTION: forcing a failure. [ 78.090696] name failslab, interval 1, probability 0, space 0, times 0 [ 78.102070] CPU: 0 PID: 7219 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 78.109072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.118543] Call Trace: [ 78.121123] dump_stack+0x138/0x19c [ 78.124744] should_fail.cold+0x10f/0x159 [ 78.128900] should_failslab+0xdb/0x130 [ 78.132874] kmem_cache_alloc+0x2d9/0x780 [ 78.137009] ? proc_parse_options+0x232/0x2b0 [ 78.141489] ? proc_i_callback+0x30/0x30 [ 78.145552] proc_alloc_inode+0x1c/0x1a0 [ 78.149599] alloc_inode+0x66/0x190 [ 78.153219] new_inode_pseudo+0x19/0xf0 [ 78.157182] proc_get_inode+0x20/0x620 [ 78.161059] proc_fill_super+0x1f3/0x2e6 [ 78.165104] mount_ns+0xef/0x190 [ 78.168454] ? proc_get_inode+0x620/0x620 [ 78.172597] proc_mount+0x6a/0xa0 [ 78.176034] mount_fs+0x9d/0x2a7 [ 78.179388] vfs_kern_mount.part.0+0x5e/0x3d0 [ 78.183870] ? rcu_read_lock_sched_held+0x110/0x130 [ 78.188880] kern_mount_data+0x56/0xc0 [ 78.192756] pid_ns_prepare_proc+0x1e/0x90 [ 78.196996] alloc_pid+0x9ef/0xc70 [ 78.200620] copy_process.part.0+0x2723/0x6950 [ 78.205196] ? get_pid_task+0xbf/0x140 [ 78.209072] ? proc_fail_nth_write+0x7d/0x180 [ 78.213667] ? proc_cwd_link+0x1b0/0x1b0 [ 78.217801] ? __cleanup_sighand+0x50/0x50 [ 78.222019] ? vfs_write+0x25f/0x500 [ 78.225733] _do_fork+0x19e/0xce0 [ 78.229206] ? fork_idle+0x280/0x280 [ 78.232925] ? vfs_write+0x104/0x500 [ 78.236630] ? SyS_write+0x10b/0x180 [ 78.240355] SyS_clone+0x37/0x50 [ 78.243717] ? sys_vfork+0x30/0x30 [ 78.247251] do_syscall_64+0x1eb/0x630 [ 78.251122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.255954] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 78.261126] RIP: 0033:0x441129 [ 78.264300] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 78.271997] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 78.279261] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 78.286519] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 78.293788] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 78.301044] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 78.308417] proc_fill_super: get root inode failed [ 78.315940] FAULT_INJECTION: forcing a failure. [ 78.315940] name failslab, interval 1, probability 0, space 0, times 0 [ 78.327258] CPU: 1 PID: 7221 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 78.334258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.343697] Call Trace: [ 78.346384] dump_stack+0x138/0x19c [ 78.350057] should_fail.cold+0x10f/0x159 [ 78.354203] should_failslab+0xdb/0x130 [ 78.358179] kmem_cache_alloc_trace+0x2ec/0x790 [ 78.362857] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 78.368299] ? sget_userns+0xfe/0xc30 [ 78.372101] ? rcu_read_lock_sched_held+0x110/0x130 [ 78.377248] selinux_sb_alloc_security+0x46/0x220 [ 78.382118] security_sb_alloc+0x73/0xb0 [ 78.386177] sget_userns+0x196/0xc30 [ 78.389878] ? set_anon_super+0x20/0x20 [ 78.393865] ? get_empty_filp.cold+0x3b/0x3b [ 78.398268] mount_ns+0x6d/0x190 [ 78.401621] ? proc_get_inode+0x620/0x620 [ 78.405759] proc_mount+0x6a/0xa0 [ 78.409206] mount_fs+0x9d/0x2a7 [ 78.412558] vfs_kern_mount.part.0+0x5e/0x3d0 [ 78.417042] ? rcu_read_lock_sched_held+0x110/0x130 [ 78.422053] kern_mount_data+0x56/0xc0 [ 78.425956] pid_ns_prepare_proc+0x1e/0x90 [ 78.430230] alloc_pid+0x9ef/0xc70 [ 78.433762] copy_process.part.0+0x2723/0x6950 [ 78.438332] ? get_pid_task+0xbf/0x140 [ 78.442207] ? proc_fail_nth_write+0x7d/0x180 [ 78.446774] ? proc_cwd_link+0x1b0/0x1b0 [ 78.450846] ? __cleanup_sighand+0x50/0x50 [ 78.455075] ? vfs_write+0x25f/0x500 [ 78.458780] _do_fork+0x19e/0xce0 [ 78.462236] ? fork_idle+0x280/0x280 [ 78.465940] ? vfs_write+0x104/0x500 [ 78.469644] ? SyS_write+0x10b/0x180 [ 78.473352] SyS_clone+0x37/0x50 [ 78.476702] ? sys_vfork+0x30/0x30 [ 78.480255] do_syscall_64+0x1eb/0x630 [ 78.484153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.489034] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 78.494267] RIP: 0033:0x441129 executing program [ 78.497441] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 78.505143] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 78.512400] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 78.519668] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 78.526932] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 78.534214] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 78.546528] FAULT_INJECTION: forcing a failure. [ 78.546528] name failslab, interval 1, probability 0, space 0, times 0 [ 78.557932] CPU: 0 PID: 7223 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 78.564937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.574282] Call Trace: [ 78.576861] dump_stack+0x138/0x19c [ 78.580487] should_fail.cold+0x10f/0x159 [ 78.584628] should_failslab+0xdb/0x130 [ 78.588600] kmem_cache_alloc+0x2d9/0x780 [ 78.592739] ? proc_parse_options+0x232/0x2b0 [ 78.597232] ? proc_i_callback+0x30/0x30 [ 78.601289] proc_alloc_inode+0x1c/0x1a0 [ 78.605371] alloc_inode+0x66/0x190 [ 78.608995] new_inode_pseudo+0x19/0xf0 [ 78.612971] proc_get_inode+0x20/0x620 [ 78.616863] proc_fill_super+0x1f3/0x2e6 [ 78.620939] mount_ns+0xef/0x190 [ 78.624495] ? proc_get_inode+0x620/0x620 [ 78.628665] proc_mount+0x6a/0xa0 [ 78.632163] mount_fs+0x9d/0x2a7 [ 78.635562] vfs_kern_mount.part.0+0x5e/0x3d0 [ 78.640079] ? rcu_read_lock_sched_held+0x110/0x130 [ 78.645103] kern_mount_data+0x56/0xc0 [ 78.648985] pid_ns_prepare_proc+0x1e/0x90 [ 78.653220] alloc_pid+0x9ef/0xc70 [ 78.658915] copy_process.part.0+0x2723/0x6950 [ 78.663492] ? get_pid_task+0xbf/0x140 [ 78.667374] ? proc_fail_nth_write+0x7d/0x180 [ 78.671871] ? proc_cwd_link+0x1b0/0x1b0 [ 78.675941] ? __cleanup_sighand+0x50/0x50 [ 78.680169] ? vfs_write+0x25f/0x500 [ 78.683879] _do_fork+0x19e/0xce0 [ 78.687322] ? fork_idle+0x280/0x280 [ 78.691022] ? vfs_write+0x104/0x500 [ 78.694728] ? SyS_write+0x10b/0x180 [ 78.698471] SyS_clone+0x37/0x50 [ 78.701847] ? sys_vfork+0x30/0x30 [ 78.705419] do_syscall_64+0x1eb/0x630 [ 78.709327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.714185] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 78.719363] RIP: 0033:0x441129 [ 78.722534] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 78.730231] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 78.737514] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 78.744958] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 executing program [ 78.752227] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 78.759492] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 78.766908] proc_fill_super: get root inode failed [ 78.774854] FAULT_INJECTION: forcing a failure. [ 78.774854] name failslab, interval 1, probability 0, space 0, times 0 [ 78.786387] CPU: 1 PID: 7225 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 78.793396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.802742] Call Trace: [ 78.805328] dump_stack+0x138/0x19c [ 78.808958] should_fail.cold+0x10f/0x159 [ 78.813194] should_failslab+0xdb/0x130 [ 78.817211] __kmalloc+0x2f3/0x7a0 [ 78.820745] ? __list_lru_init+0x6b/0x630 [ 78.824929] __list_lru_init+0x6b/0x630 [ 78.828896] sget_userns+0x503/0xc30 [ 78.832608] ? set_anon_super+0x20/0x20 [ 78.836577] ? get_empty_filp.cold+0x3b/0x3b [ 78.841008] mount_ns+0x6d/0x190 [ 78.844368] ? proc_get_inode+0x620/0x620 [ 78.848504] proc_mount+0x6a/0xa0 [ 78.851944] mount_fs+0x9d/0x2a7 [ 78.855299] vfs_kern_mount.part.0+0x5e/0x3d0 [ 78.859797] ? rcu_read_lock_sched_held+0x110/0x130 [ 78.864800] kern_mount_data+0x56/0xc0 [ 78.868672] pid_ns_prepare_proc+0x1e/0x90 [ 78.872919] alloc_pid+0x9ef/0xc70 [ 78.876473] copy_process.part.0+0x2723/0x6950 [ 78.881082] ? get_pid_task+0xbf/0x140 [ 78.884960] ? proc_fail_nth_write+0x7d/0x180 [ 78.889437] ? proc_cwd_link+0x1b0/0x1b0 [ 78.893494] ? __cleanup_sighand+0x50/0x50 [ 78.897708] ? vfs_write+0x25f/0x500 [ 78.901410] _do_fork+0x19e/0xce0 [ 78.904845] ? fork_idle+0x280/0x280 [ 78.908559] ? vfs_write+0x104/0x500 [ 78.912259] ? SyS_write+0x10b/0x180 [ 78.915973] SyS_clone+0x37/0x50 [ 78.919323] ? sys_vfork+0x30/0x30 [ 78.922853] do_syscall_64+0x1eb/0x630 [ 78.926742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.931571] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 78.936739] RIP: 0033:0x441129 [ 78.939909] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 78.947688] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 executing program [ 78.954946] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 78.962201] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 78.969453] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 78.976730] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 78.988292] FAULT_INJECTION: forcing a failure. [ 78.988292] name failslab, interval 1, probability 0, space 0, times 0 [ 78.999680] CPU: 0 PID: 7227 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 79.006709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.016050] Call Trace: [ 79.018652] dump_stack+0x138/0x19c [ 79.022330] should_fail.cold+0x10f/0x159 [ 79.026479] should_failslab+0xdb/0x130 [ 79.030444] __kmalloc+0x2f3/0x7a0 [ 79.034010] ? lock_downgrade+0x6e0/0x6e0 [ 79.038160] ? register_shrinker+0xbd/0x220 [ 79.042482] register_shrinker+0xbd/0x220 [ 79.046727] sget_userns+0x9c5/0xc30 [ 79.050430] ? set_anon_super+0x20/0x20 [ 79.054393] ? get_empty_filp.cold+0x3b/0x3b [ 79.058794] mount_ns+0x6d/0x190 [ 79.062153] ? proc_get_inode+0x620/0x620 [ 79.066311] proc_mount+0x6a/0xa0 [ 79.069754] mount_fs+0x9d/0x2a7 [ 79.073133] vfs_kern_mount.part.0+0x5e/0x3d0 [ 79.077641] ? rcu_read_lock_sched_held+0x110/0x130 [ 79.082749] kern_mount_data+0x56/0xc0 [ 79.086725] pid_ns_prepare_proc+0x1e/0x90 [ 79.090953] alloc_pid+0x9ef/0xc70 [ 79.094493] copy_process.part.0+0x2723/0x6950 [ 79.099064] ? get_pid_task+0xbf/0x140 [ 79.102980] ? proc_fail_nth_write+0x7d/0x180 [ 79.107471] ? proc_cwd_link+0x1b0/0x1b0 [ 79.111544] ? __cleanup_sighand+0x50/0x50 [ 79.115768] ? vfs_write+0x25f/0x500 [ 79.119481] _do_fork+0x19e/0xce0 [ 79.122941] ? fork_idle+0x280/0x280 [ 79.126760] ? vfs_write+0x104/0x500 [ 79.130470] ? SyS_write+0x10b/0x180 [ 79.134173] SyS_clone+0x37/0x50 [ 79.137544] ? sys_vfork+0x30/0x30 [ 79.141078] do_syscall_64+0x1eb/0x630 [ 79.144957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 79.149804] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 79.154983] RIP: 0033:0x441129 [ 79.158277] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 79.165998] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 79.173267] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 79.180532] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 79.187902] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 79.195160] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 79.203269] refcount_t: underflow; use-after-free. [ 79.208323] ------------[ cut here ]------------ [ 79.213073] WARNING: CPU: 0 PID: 7227 at lib/refcount.c:187 refcount_sub_and_test.cold+0x18/0x22 [ 79.221979] Kernel panic - not syncing: panic_on_warn set ... [ 79.221979] [ 79.229356] CPU: 0 PID: 7227 Comm: syz-executor944 Not tainted 4.14.112 #2 [ 79.236357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.245700] Call Trace: [ 79.248277] dump_stack+0x138/0x19c [ 79.251894] panic+0x1f2/0x438 [ 79.255067] ? add_taint.cold+0x16/0x16 [ 79.259026] ? refcount_sub_and_test.cold+0x18/0x22 [ 79.264031] ? refcount_sub_and_test.cold+0x18/0x22 [ 79.269052] __warn.cold+0x2f/0x34 [ 79.272606] ? ist_end_non_atomic+0x10/0x10 [ 79.276927] ? refcount_sub_and_test.cold+0x18/0x22 [ 79.281934] report_bug+0x216/0x254 [ 79.285552] do_error_trap+0x1bb/0x310 [ 79.289426] ? math_error+0x360/0x360 [ 79.293217] ? vprintk_emit+0x171/0x600 [ 79.297203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 79.302046] do_invalid_op+0x1b/0x20 [ 79.305747] invalid_op+0x1b/0x40 [ 79.309193] RIP: 0010:refcount_sub_and_test.cold+0x18/0x22 [ 79.314808] RSP: 0018:ffff8880a8857af8 EFLAGS: 00010286 [ 79.320158] RAX: 0000000000000026 RBX: 0000000000000000 RCX: 0000000000000000 [ 79.327438] RDX: 0000000000000000 RSI: ffffffff866d0860 RDI: ffffed101510af55 [ 79.334707] RBP: ffff8880a8857b20 R08: 0000000000000026 R09: 0000000000000000 [ 79.341985] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888089d414f0 [ 79.349247] R13: 0000000000000001 R14: 00000000ffffffff R15: 0000802122001ffa [ 79.356527] ? refcount_sub_and_test.cold+0x18/0x22 [ 79.361541] refcount_dec_and_test+0x1b/0x20 [ 79.365938] put_pid_ns+0x55/0x110 [ 79.369478] free_nsproxy+0x103/0x200 [ 79.373268] switch_task_namespaces+0x98/0xb0 [ 79.377753] exit_task_namespaces+0x18/0x20 [ 79.382059] copy_process.part.0+0x3b4d/0x6950 [ 79.386633] ? get_pid_task+0xbf/0x140 [ 79.390513] ? proc_fail_nth_write+0x7d/0x180 [ 79.394996] ? proc_cwd_link+0x1b0/0x1b0 [ 79.399054] ? __cleanup_sighand+0x50/0x50 [ 79.403275] ? vfs_write+0x25f/0x500 [ 79.406978] _do_fork+0x19e/0xce0 [ 79.410419] ? fork_idle+0x280/0x280 [ 79.414120] ? vfs_write+0x104/0x500 [ 79.417830] ? SyS_write+0x10b/0x180 [ 79.421532] SyS_clone+0x37/0x50 [ 79.424896] ? sys_vfork+0x30/0x30 [ 79.428441] do_syscall_64+0x1eb/0x630 [ 79.432322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 79.437244] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 79.442415] RIP: 0033:0x441129 [ 79.445585] RSP: 002b:00007ffe3104f1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 79.453277] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441129 [ 79.460532] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 79.467791] RBP: 00007ffe3104f1e0 R08: 00000000ffffffff R09: 0000000000000000 [ 79.475049] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 79.482337] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 79.491007] Kernel Offset: disabled [ 79.494909] Rebooting in 86400 seconds..