[ 37.012559] audit: type=1800 audit(1565839895.223:33): pid=6972 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 [ 37.041185] audit: type=1800 audit(1565839895.223:34): pid=6972 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 [ 37.278078] random: sshd: uninitialized urandom read (32 bytes read) [ 37.607646] audit: type=1400 audit(1565839895.813:35): avc: denied { map } for pid=7145 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 [ 37.660665] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 38.286007] random: sshd: uninitialized urandom read (32 bytes read) [ 38.480489] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.29' (ECDSA) to the list of known hosts. [ 44.104118] random: sshd: uninitialized urandom read (32 bytes read) [ 44.226767] audit: type=1400 audit(1565839902.433:36): avc: denied { map } for pid=7157 comm="syz-executor316" path="/root/syz-executor316835068" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 44.232162] FAULT_INJECTION: forcing a failure. [ 44.232162] name failslab, interval 1, probability 0, space 0, times 1 [ 44.266254] CPU: 0 PID: 7157 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 44.273553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.282918] Call Trace: [ 44.285723] dump_stack+0x138/0x19c [ 44.289556] should_fail.cold+0x10f/0x159 [ 44.293727] should_failslab+0xdb/0x130 [ 44.297695] kmem_cache_alloc+0x2d7/0x780 [ 44.301854] ? __pmd_alloc+0x410/0x410 [ 44.305758] copy_process.part.0+0x444f/0x6a00 [ 44.310522] ? __cleanup_sighand+0x50/0x50 [ 44.314766] ? task_work_run+0xf0/0x190 [ 44.318747] _do_fork+0x19e/0xce0 [ 44.322192] ? fork_idle+0x280/0x280 [ 44.325906] ? trace_hardirqs_on_caller+0x400/0x590 [ 44.330958] ? _raw_spin_unlock_irq+0x5e/0x90 [ 44.335448] ? task_work_run+0x155/0x190 [ 44.339525] SyS_clone+0x37/0x50 [ 44.342899] ? sys_vfork+0x30/0x30 [ 44.347639] do_syscall_64+0x1e8/0x640 [ 44.351516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.356349] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.361527] RIP: 0033:0x43fe8a [ 44.364703] RSP: 002b:00007ffc71bf8280 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 44.372395] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043fe8a [ 44.379675] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 44.386950] RBP: 00007ffc71bf82a0 R08: 0000000000000000 R09: 00000000018e6880 [ 44.394211] R10: 00000000018e6b50 R11: 0000000000000246 R12: 0000000000000000 [ 44.401467] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 44.661035] IPVS: ftp: loaded support on port[0] = 21 executing program [ 45.428737] audit: type=1400 audit(1565839903.633:37): avc: denied { sys_admin } for pid=7168 comm="syz-executor316" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 45.429611] FAULT_INJECTION: forcing a failure. [ 45.429611] name failslab, interval 1, probability 0, space 0, times 0 [ 45.465473] CPU: 0 PID: 7168 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 45.472575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.482173] Call Trace: [ 45.485033] dump_stack+0x138/0x19c [ 45.488670] should_fail.cold+0x10f/0x159 [ 45.492843] should_failslab+0xdb/0x130 [ 45.496917] kmem_cache_alloc_node_trace+0x280/0x770 [ 45.502027] ? kasan_unpoison_shadow+0x35/0x50 [ 45.506609] init_cache_node+0x3e/0x110 [ 45.510595] setup_kmem_cache_node+0x56/0x3f0 [ 45.515139] __do_tune_cpucache+0x152/0x200 [ 45.519463] ? __lock_is_held+0xb6/0x140 [ 45.523531] do_tune_cpucache+0x25/0xd0 [ 45.527532] enable_cpucache+0x3e/0xd0 [ 45.531414] setup_cpu_cache+0xd4/0x1e0 [ 45.535401] __kmem_cache_create+0x1b5/0x260 [ 45.540213] create_cache+0xb0/0x1c0 [ 45.544118] kmem_cache_create+0x1ac/0x240 [ 45.556910] copy_pid_ns+0x6d8/0xa40 [ 45.560690] ? refcount_inc+0x1f/0x40 [ 45.564498] create_new_namespaces+0x267/0x720 [ 45.569092] copy_namespaces+0x284/0x310 [ 45.573155] copy_process.part.0+0x2603/0x6a00 [ 45.577745] ? get_pid_task+0xbf/0x140 [ 45.581674] ? proc_fail_nth_write+0x7d/0x180 [ 45.586346] ? proc_cwd_link+0x1b0/0x1b0 [ 45.590549] ? __cleanup_sighand+0x50/0x50 [ 45.594815] ? vfs_write+0x25f/0x500 [ 45.598525] _do_fork+0x19e/0xce0 [ 45.601975] ? fork_idle+0x280/0x280 [ 45.605682] ? vfs_write+0x104/0x500 [ 45.609399] ? SyS_write+0x15e/0x230 [ 45.613387] SyS_clone+0x37/0x50 [ 45.616766] ? sys_vfork+0x30/0x30 [ 45.620330] do_syscall_64+0x1e8/0x640 [ 45.624404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.629259] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.636117] RIP: 0033:0x441549 [ 45.640021] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 45.648913] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 45.657223] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 45.664500] RBP: 00000000004a2ab0 R08: 00000000ffffffff R09: 0000000120080522 [ 45.671779] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 45.679065] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 45.687114] enable_cpucache failed for pid_3, error 12 [ 45.692597] kmem_cache_create(pid_3) failed with error -12 [ 45.698340] CPU: 0 PID: 7168 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 45.705729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.715929] Call Trace: [ 45.718684] dump_stack+0x138/0x19c [ 45.722331] kmem_cache_create.cold+0x5c/0x7d [ 45.726824] copy_pid_ns+0x6d8/0xa40 [ 45.730550] ? refcount_inc+0x1f/0x40 [ 45.734357] create_new_namespaces+0x267/0x720 [ 45.738964] copy_namespaces+0x284/0x310 [ 45.743028] copy_process.part.0+0x2603/0x6a00 [ 45.747616] ? get_pid_task+0xbf/0x140 [ 45.751526] ? proc_fail_nth_write+0x7d/0x180 [ 45.756045] ? proc_cwd_link+0x1b0/0x1b0 [ 45.760250] ? __cleanup_sighand+0x50/0x50 [ 45.764476] ? vfs_write+0x25f/0x500 [ 45.768186] _do_fork+0x19e/0xce0 [ 45.771716] ? fork_idle+0x280/0x280 [ 45.775438] ? vfs_write+0x104/0x500 [ 45.779251] ? SyS_write+0x15e/0x230 [ 45.782968] SyS_clone+0x37/0x50 [ 45.786420] ? sys_vfork+0x30/0x30 [ 45.789988] do_syscall_64+0x1e8/0x640 [ 45.793886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.798815] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.804840] RIP: 0033:0x441549 [ 45.808040] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 45.815758] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 45.823134] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 45.830403] RBP: 00000000004a2ab0 R08: 00000000ffffffff R09: 0000000120080522 [ 45.837664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 45.845016] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 executing program [ 45.903625] FAULT_INJECTION: forcing a failure. [ 45.903625] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 45.915459] CPU: 1 PID: 7169 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 45.922958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.932305] Call Trace: [ 45.934910] dump_stack+0x138/0x19c [ 45.938654] should_fail.cold+0x10f/0x159 [ 45.942804] __alloc_pages_nodemask+0x1d6/0x7a0 [ 45.947726] ? fs_reclaim_acquire+0x20/0x20 [ 45.952142] ? __alloc_pages_slowpath+0x2930/0x2930 [ 45.957162] cache_grow_begin+0x80/0x400 [ 45.961242] kmem_cache_alloc+0x6a6/0x780 [ 45.965412] alloc_pid+0x5d/0xc70 [ 45.968931] ? copy_thread_tls+0x3c8/0x7a0 [ 45.973174] copy_process.part.0+0x272f/0x6a00 [ 45.977850] ? get_pid_task+0xbf/0x140 [ 45.981730] ? proc_fail_nth_write+0x7d/0x180 [ 45.986219] ? proc_cwd_link+0x1b0/0x1b0 [ 45.990296] ? __cleanup_sighand+0x50/0x50 [ 45.994521] ? vfs_write+0x25f/0x500 [ 45.998229] _do_fork+0x19e/0xce0 [ 46.001674] ? fork_idle+0x280/0x280 [ 46.005382] ? vfs_write+0x104/0x500 [ 46.009137] ? SyS_write+0x15e/0x230 [ 46.012856] SyS_clone+0x37/0x50 [ 46.016212] ? sys_vfork+0x30/0x30 [ 46.019747] do_syscall_64+0x1e8/0x640 [ 46.023624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.028462] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.033644] RIP: 0033:0x441549 [ 46.036818] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 46.044525] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 *** stack smashing detected ***: ./syz-executor316835068 terminated executing program [ 46.051932] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 46.059193] RBP: 000000000000b172 R08: 00000000ffffffff R09: 0000000100000000 [ 46.066459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 46.073837] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 46.086396] FAULT_INJECTION: forcing a failure. [ 46.086396] name failslab, interval 1, probability 0, space 0, times 0 [ 46.097795] CPU: 1 PID: 7171 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 46.104991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.114335] Call Trace: [ 46.116919] dump_stack+0x138/0x19c [ 46.120542] should_fail.cold+0x10f/0x159 [ 46.124683] should_failslab+0xdb/0x130 [ 46.128656] kmem_cache_alloc+0x2d7/0x780 [ 46.132810] ? _raw_spin_unlock+0x2d/0x50 [ 46.136958] ? d_alloc+0x1e9/0x270 [ 46.140486] ? proc_i_callback+0x30/0x30 [ 46.144530] proc_alloc_inode+0x1c/0x1a0 [ 46.148577] alloc_inode+0x64/0x180 [ 46.152189] new_inode_pseudo+0x19/0xf0 [ 46.156148] proc_setup_self+0xdc/0x38a [ 46.160303] proc_fill_super+0x247/0x2e6 [ 46.164353] mount_ns+0xec/0x190 [ 46.167703] ? proc_get_inode+0x620/0x620 [ 46.171850] proc_mount+0x6a/0xa0 [ 46.175301] mount_fs+0x97/0x2a1 [ 46.178679] vfs_kern_mount.part.0+0x5e/0x3d0 [ 46.183166] ? rcu_read_lock_sched_held+0x110/0x130 [ 46.188199] kern_mount_data+0x56/0xc0 [ 46.192258] pid_ns_prepare_proc+0x1e/0x90 [ 46.196483] alloc_pid+0x9ef/0xc70 [ 46.200022] copy_process.part.0+0x272f/0x6a00 [ 46.204607] ? get_pid_task+0xbf/0x140 [ 46.208664] ? proc_fail_nth_write+0x7d/0x180 [ 46.213155] ? proc_cwd_link+0x1b0/0x1b0 [ 46.217225] ? __cleanup_sighand+0x50/0x50 [ 46.221453] ? vfs_write+0x25f/0x500 [ 46.225178] _do_fork+0x19e/0xce0 [ 46.228665] ? fork_idle+0x280/0x280 [ 46.232370] ? vfs_write+0x104/0x500 [ 46.236094] ? SyS_write+0x15e/0x230 [ 46.239804] SyS_clone+0x37/0x50 [ 46.243179] ? sys_vfork+0x30/0x30 [ 46.246716] do_syscall_64+0x1e8/0x640 [ 46.250623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.255477] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.260658] RIP: 0033:0x441549 [ 46.263844] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 46.271535] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 46.278822] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 46.286092] RBP: 000000000000b34e R08: 00000000ffffffff R09: 000000010000000b [ 46.293371] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 executing program [ 46.300634] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 46.309012] proc_fill_super: can't allocate /proc/self [ 46.353434] FAULT_INJECTION: forcing a failure. [ 46.353434] name failslab, interval 1, probability 0, space 0, times 0 [ 46.364867] CPU: 1 PID: 7173 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 46.371964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.381361] Call Trace: [ 46.383946] dump_stack+0x138/0x19c [ 46.387571] should_fail.cold+0x10f/0x159 [ 46.392515] should_failslab+0xdb/0x130 [ 46.396482] kmem_cache_alloc+0x2d7/0x780 [ 46.400641] ? _raw_spin_unlock+0x2d/0x50 [ 46.404781] ? d_alloc+0x1e9/0x270 [ 46.408333] ? proc_i_callback+0x30/0x30 [ 46.412566] proc_alloc_inode+0x1c/0x1a0 [ 46.416635] alloc_inode+0x64/0x180 [ 46.420254] new_inode_pseudo+0x19/0xf0 [ 46.424212] proc_setup_self+0xdc/0x38a [ 46.428282] proc_fill_super+0x247/0x2e6 [ 46.432359] mount_ns+0xec/0x190 [ 46.435714] ? proc_get_inode+0x620/0x620 [ 46.439937] proc_mount+0x6a/0xa0 [ 46.443391] mount_fs+0x97/0x2a1 [ 46.447384] vfs_kern_mount.part.0+0x5e/0x3d0 [ 46.451867] ? rcu_read_lock_sched_held+0x110/0x130 [ 46.456879] kern_mount_data+0x56/0xc0 [ 46.460769] pid_ns_prepare_proc+0x1e/0x90 [ 46.464988] alloc_pid+0x9ef/0xc70 [ 46.468514] copy_process.part.0+0x272f/0x6a00 [ 46.473113] ? get_pid_task+0xbf/0x140 [ 46.476993] ? proc_fail_nth_write+0x7d/0x180 [ 46.481476] ? proc_cwd_link+0x1b0/0x1b0 [ 46.485530] ? __cleanup_sighand+0x50/0x50 [ 46.489771] ? vfs_write+0x25f/0x500 [ 46.493482] _do_fork+0x19e/0xce0 [ 46.496926] ? fork_idle+0x280/0x280 [ 46.500634] ? vfs_write+0x104/0x500 [ 46.504391] ? SyS_write+0x15e/0x230 [ 46.508099] SyS_clone+0x37/0x50 [ 46.511477] ? sys_vfork+0x30/0x30 [ 46.515049] do_syscall_64+0x1e8/0x640 [ 46.518932] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.523869] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.529063] RIP: 0033:0x441549 [ 46.532236] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 46.539940] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 46.547200] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program [ 46.554456] RBP: 000000000000b405 R08: 00000000ffffffff R09: 0000000100000000 [ 46.561722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 46.569001] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 46.577189] proc_fill_super: can't allocate /proc/self [ 46.623510] FAULT_INJECTION: forcing a failure. [ 46.623510] name failslab, interval 1, probability 0, space 0, times 0 [ 46.634978] CPU: 1 PID: 7175 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 46.636294] IPVS: ftp: loaded support on port[0] = 21 [ 46.642099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.642139] Call Trace: [ 46.642158] dump_stack+0x138/0x19c [ 46.662922] should_fail.cold+0x10f/0x159 [ 46.667075] should_failslab+0xdb/0x130 [ 46.671050] kmem_cache_alloc+0x2d7/0x780 [ 46.675199] ? proc_alloc_inode+0x1c/0x1a0 [ 46.679419] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 46.684882] selinux_inode_alloc_security+0xb6/0x2a0 [ 46.689977] security_inode_alloc+0x94/0xd0 [ 46.694289] inode_init_always+0x552/0xaf0 [ 46.698511] alloc_inode+0x81/0x180 [ 46.702141] new_inode_pseudo+0x19/0xf0 [ 46.706112] proc_get_inode+0x20/0x620 [ 46.710028] proc_fill_super+0x1f3/0x2e6 [ 46.714090] mount_ns+0xec/0x190 [ 46.717477] ? proc_get_inode+0x620/0x620 [ 46.721618] proc_mount+0x6a/0xa0 [ 46.725087] mount_fs+0x97/0x2a1 [ 46.728480] vfs_kern_mount.part.0+0x5e/0x3d0 [ 46.732965] ? rcu_read_lock_sched_held+0x110/0x130 [ 46.737973] kern_mount_data+0x56/0xc0 [ 46.741860] pid_ns_prepare_proc+0x1e/0x90 [ 46.746085] alloc_pid+0x9ef/0xc70 [ 46.749632] copy_process.part.0+0x272f/0x6a00 [ 46.754197] ? get_pid_task+0xbf/0x140 [ 46.758089] ? proc_fail_nth_write+0x7d/0x180 [ 46.762568] ? proc_cwd_link+0x1b0/0x1b0 [ 46.766636] ? __cleanup_sighand+0x50/0x50 [ 46.770865] ? vfs_write+0x25f/0x500 [ 46.774564] _do_fork+0x19e/0xce0 [ 46.778031] ? fork_idle+0x280/0x280 [ 46.781733] ? vfs_write+0x104/0x500 [ 46.785463] ? SyS_write+0x15e/0x230 [ 46.789174] SyS_clone+0x37/0x50 [ 46.792550] ? sys_vfork+0x30/0x30 [ 46.796082] do_syscall_64+0x1e8/0x640 [ 46.799964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.804797] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.809980] RIP: 0033:0x441549 [ 46.813157] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 executing program [ 46.820869] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 46.828132] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 46.835388] RBP: 000000000000b50f R08: 00000000ffffffff R09: 0000000100000000 [ 46.842642] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 46.849896] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 46.858046] proc_fill_super: get root inode failed [ 46.903315] FAULT_INJECTION: forcing a failure. [ 46.903315] name failslab, interval 1, probability 0, space 0, times 0 [ 46.914647] CPU: 1 PID: 7177 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 46.921932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.931307] Call Trace: [ 46.933899] dump_stack+0x138/0x19c [ 46.937525] should_fail.cold+0x10f/0x159 [ 46.941682] should_failslab+0xdb/0x130 [ 46.945740] kmem_cache_alloc+0x2d7/0x780 [ 46.950074] ? find_held_lock+0x35/0x130 [ 46.954158] __d_alloc+0x2d/0x9f0 [ 46.957633] d_alloc+0x4d/0x270 [ 46.960912] d_alloc_name+0x71/0x90 [ 46.964527] ? d_alloc+0x270/0x270 [ 46.968055] ? down_write+0x38/0x90 [ 46.971667] proc_setup_self+0xc3/0x38a [ 46.975628] proc_fill_super+0x247/0x2e6 [ 46.979679] mount_ns+0xec/0x190 [ 46.983042] ? proc_get_inode+0x620/0x620 [ 46.987174] proc_mount+0x6a/0xa0 [ 46.990617] mount_fs+0x97/0x2a1 [ 46.993997] vfs_kern_mount.part.0+0x5e/0x3d0 [ 46.998493] ? rcu_read_lock_sched_held+0x110/0x130 [ 47.003500] kern_mount_data+0x56/0xc0 [ 47.007376] pid_ns_prepare_proc+0x1e/0x90 [ 47.011593] alloc_pid+0x9ef/0xc70 [ 47.015124] copy_process.part.0+0x272f/0x6a00 [ 47.019701] ? get_pid_task+0xbf/0x140 [ 47.023574] ? proc_fail_nth_write+0x7d/0x180 [ 47.028057] ? proc_cwd_link+0x1b0/0x1b0 [ 47.032110] ? __cleanup_sighand+0x50/0x50 [ 47.036456] ? vfs_write+0x25f/0x500 [ 47.040250] _do_fork+0x19e/0xce0 [ 47.043709] ? fork_idle+0x280/0x280 [ 47.047412] ? vfs_write+0x104/0x500 [ 47.051134] ? SyS_write+0x15e/0x230 [ 47.054839] SyS_clone+0x37/0x50 [ 47.058204] ? sys_vfork+0x30/0x30 [ 47.061747] do_syscall_64+0x1e8/0x640 [ 47.065636] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.070476] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.075738] RIP: 0033:0x441549 [ 47.078927] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 47.086703] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 47.093980] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program [ 47.101345] RBP: 000000000000b61e R08: 00000000ffffffff R09: 0000000100000000 [ 47.108609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 47.115895] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 47.124407] proc_fill_super: can't allocate /proc/self [ 47.157624] FAULT_INJECTION: forcing a failure. [ 47.157624] name failslab, interval 1, probability 0, space 0, times 0 [ 47.168912] CPU: 1 PID: 7179 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 47.176016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.185453] Call Trace: [ 47.188030] dump_stack+0x138/0x19c [ 47.191645] should_fail.cold+0x10f/0x159 [ 47.195781] should_failslab+0xdb/0x130 [ 47.199738] kmem_cache_alloc+0x2d7/0x780 [ 47.203876] ? trace_hardirqs_on_caller+0x400/0x590 [ 47.208876] ? timespec_trunc+0xb5/0x120 [ 47.212934] ? put_itimerspec64+0x190/0x190 [ 47.217255] __d_alloc+0x2d/0x9f0 [ 47.220710] ? set_nlink+0x115/0x160 [ 47.224463] d_make_root+0x43/0xc0 [ 47.227989] proc_fill_super+0x20c/0x2e6 [ 47.232034] mount_ns+0xec/0x190 [ 47.235396] ? proc_get_inode+0x620/0x620 [ 47.239526] proc_mount+0x6a/0xa0 [ 47.242964] mount_fs+0x97/0x2a1 [ 47.246320] vfs_kern_mount.part.0+0x5e/0x3d0 [ 47.250806] ? rcu_read_lock_sched_held+0x110/0x130 [ 47.255804] kern_mount_data+0x56/0xc0 [ 47.259696] pid_ns_prepare_proc+0x1e/0x90 [ 47.263919] alloc_pid+0x9ef/0xc70 [ 47.267472] copy_process.part.0+0x272f/0x6a00 [ 47.272056] ? get_pid_task+0xbf/0x140 [ 47.275928] ? proc_fail_nth_write+0x7d/0x180 [ 47.280415] ? proc_cwd_link+0x1b0/0x1b0 [ 47.284485] ? __cleanup_sighand+0x50/0x50 [ 47.288703] ? vfs_write+0x25f/0x500 [ 47.292443] _do_fork+0x19e/0xce0 [ 47.295890] ? fork_idle+0x280/0x280 [ 47.299602] ? vfs_write+0x104/0x500 [ 47.303321] ? SyS_write+0x15e/0x230 [ 47.307059] SyS_clone+0x37/0x50 [ 47.310409] ? sys_vfork+0x30/0x30 [ 47.313959] do_syscall_64+0x1e8/0x640 [ 47.317854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.322685] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.327874] RIP: 0033:0x441549 [ 47.331049] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 47.338739] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 47.345998] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 47.353269] RBP: 000000000000b735 R08: 00000000ffffffff R09: 0000000100000000 [ 47.360529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 47.367784] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 47.375821] proc_fill_super: allocate dentry failed executing program [ 47.433339] FAULT_INJECTION: forcing a failure. [ 47.433339] name failslab, interval 1, probability 0, space 0, times 0 [ 47.444596] CPU: 1 PID: 7181 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 47.451692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.461030] Call Trace: [ 47.463603] dump_stack+0x138/0x19c [ 47.467304] should_fail.cold+0x10f/0x159 [ 47.471456] should_failslab+0xdb/0x130 [ 47.475417] kmem_cache_alloc+0x2d7/0x780 [ 47.479558] ? trace_hardirqs_on_caller+0x400/0x590 [ 47.484565] ? timespec_trunc+0xb5/0x120 [ 47.488615] ? put_itimerspec64+0x190/0x190 [ 47.492922] __d_alloc+0x2d/0x9f0 [ 47.496359] ? set_nlink+0x115/0x160 [ 47.500066] d_make_root+0x43/0xc0 [ 47.503599] proc_fill_super+0x20c/0x2e6 [ 47.507643] mount_ns+0xec/0x190 [ 47.510992] ? proc_get_inode+0x620/0x620 [ 47.515240] proc_mount+0x6a/0xa0 [ 47.518688] mount_fs+0x97/0x2a1 [ 47.522044] vfs_kern_mount.part.0+0x5e/0x3d0 [ 47.526549] ? rcu_read_lock_sched_held+0x110/0x130 [ 47.531585] kern_mount_data+0x56/0xc0 [ 47.536287] pid_ns_prepare_proc+0x1e/0x90 [ 47.540512] alloc_pid+0x9ef/0xc70 [ 47.544288] copy_process.part.0+0x272f/0x6a00 [ 47.558165] ? get_pid_task+0xbf/0x140 [ 47.562045] ? proc_fail_nth_write+0x7d/0x180 [ 47.566529] ? proc_cwd_link+0x1b0/0x1b0 [ 47.570600] ? __cleanup_sighand+0x50/0x50 [ 47.574824] ? vfs_write+0x25f/0x500 [ 47.578532] _do_fork+0x19e/0xce0 [ 47.581973] ? fork_idle+0x280/0x280 [ 47.585673] ? vfs_write+0x104/0x500 [ 47.589486] ? SyS_write+0x15e/0x230 [ 47.593208] SyS_clone+0x37/0x50 [ 47.596561] ? sys_vfork+0x30/0x30 [ 47.600103] do_syscall_64+0x1e8/0x640 [ 47.604006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.608853] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.614038] RIP: 0033:0x441549 [ 47.617210] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 47.624937] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 executing program [ 47.632205] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 47.639460] RBP: 000000000000b834 R08: 00000000ffffffff R09: 0000000100000000 [ 47.646717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 47.653996] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 47.662070] proc_fill_super: allocate dentry failed [ 47.693285] FAULT_INJECTION: forcing a failure. [ 47.693285] name failslab, interval 1, probability 0, space 0, times 0 [ 47.704644] CPU: 1 PID: 7183 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 47.711746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.721132] Call Trace: [ 47.721185] dump_stack+0x138/0x19c [ 47.721199] should_fail.cold+0x10f/0x159 [ 47.721212] should_failslab+0xdb/0x130 [ 47.721221] kmem_cache_alloc+0x2d7/0x780 [ 47.721231] ? find_held_lock+0x35/0x130 [ 47.721246] __d_alloc+0x2d/0x9f0 [ 47.721256] d_alloc+0x4d/0x270 [ 47.721267] d_alloc_name+0x71/0x90 [ 47.721274] ? d_alloc+0x270/0x270 [ 47.721283] ? down_write+0x38/0x90 [ 47.721292] proc_setup_self+0xc3/0x38a [ 47.727679] proc_fill_super+0x247/0x2e6 [ 47.727689] mount_ns+0xec/0x190 [ 47.727695] ? proc_get_inode+0x620/0x620 [ 47.727704] proc_mount+0x6a/0xa0 [ 47.727713] mount_fs+0x97/0x2a1 [ 47.735877] vfs_kern_mount.part.0+0x5e/0x3d0 [ 47.735888] ? rcu_read_lock_sched_held+0x110/0x130 [ 47.735900] kern_mount_data+0x56/0xc0 [ 47.744153] pid_ns_prepare_proc+0x1e/0x90 [ 47.744164] alloc_pid+0x9ef/0xc70 [ 47.744182] copy_process.part.0+0x272f/0x6a00 [ 47.751016] ? get_pid_task+0xbf/0x140 [ 47.751027] ? proc_fail_nth_write+0x7d/0x180 [ 47.751034] ? proc_cwd_link+0x1b0/0x1b0 [ 47.751050] ? __cleanup_sighand+0x50/0x50 [ 47.751059] ? vfs_write+0x25f/0x500 [ 47.751073] _do_fork+0x19e/0xce0 [ 47.751085] ? fork_idle+0x280/0x280 [ 47.751093] ? vfs_write+0x104/0x500 [ 47.751103] ? SyS_write+0x15e/0x230 [ 47.758376] SyS_clone+0x37/0x50 [ 47.758384] ? sys_vfork+0x30/0x30 [ 47.758396] do_syscall_64+0x1e8/0x640 [ 47.758408] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.766046] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.766055] RIP: 0033:0x441549 [ 47.766060] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 47.773965] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 47.773971] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program [ 47.773975] RBP: 000000000000b947 R08: 00000000ffffffff R09: 0000000100000000 [ 47.773980] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 47.773984] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 47.774976] proc_fill_super: can't allocate /proc/self [ 47.943501] FAULT_INJECTION: forcing a failure. [ 47.943501] name failslab, interval 1, probability 0, space 0, times 0 [ 47.954780] CPU: 1 PID: 7185 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 47.961993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.971373] Call Trace: [ 47.973964] dump_stack+0x138/0x19c [ 47.977590] should_fail.cold+0x10f/0x159 [ 47.981745] should_failslab+0xdb/0x130 [ 47.985720] kmem_cache_alloc+0x2d7/0x780 [ 47.990138] ? find_held_lock+0x35/0x130 [ 47.994215] __d_alloc+0x2d/0x9f0 [ 47.997780] d_alloc+0x4d/0x270 [ 48.001067] d_alloc_name+0x71/0x90 [ 48.004695] ? d_alloc+0x270/0x270 [ 48.008255] ? down_write+0x38/0x90 [ 48.011910] proc_setup_self+0xc3/0x38a [ 48.015910] proc_fill_super+0x247/0x2e6 [ 48.019979] mount_ns+0xec/0x190 [ 48.023340] ? proc_get_inode+0x620/0x620 [ 48.027742] proc_mount+0x6a/0xa0 [ 48.031959] mount_fs+0x97/0x2a1 [ 48.035329] vfs_kern_mount.part.0+0x5e/0x3d0 [ 48.039833] ? rcu_read_lock_sched_held+0x110/0x130 [ 48.044852] kern_mount_data+0x56/0xc0 [ 48.048749] pid_ns_prepare_proc+0x1e/0x90 [ 48.053025] alloc_pid+0x9ef/0xc70 [ 48.056577] copy_process.part.0+0x272f/0x6a00 [ 48.061341] ? get_pid_task+0xbf/0x140 [ 48.065232] ? proc_fail_nth_write+0x7d/0x180 [ 48.069724] ? proc_cwd_link+0x1b0/0x1b0 [ 48.074338] ? __cleanup_sighand+0x50/0x50 [ 48.078626] ? vfs_write+0x25f/0x500 [ 48.082465] _do_fork+0x19e/0xce0 [ 48.086050] ? fork_idle+0x280/0x280 [ 48.089760] ? vfs_write+0x104/0x500 [ 48.093471] ? SyS_write+0x15e/0x230 [ 48.097182] SyS_clone+0x37/0x50 [ 48.100731] ? sys_vfork+0x30/0x30 [ 48.104267] do_syscall_64+0x1e8/0x640 [ 48.108177] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.113032] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.118241] RIP: 0033:0x441549 [ 48.121418] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 48.129150] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 48.136417] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program [ 48.143692] RBP: 000000000000ba4b R08: 00000000ffffffff R09: 0000000100000000 [ 48.150970] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 48.158225] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 48.166253] proc_fill_super: can't allocate /proc/self [ 48.213536] FAULT_INJECTION: forcing a failure. [ 48.213536] name failslab, interval 1, probability 0, space 0, times 0 [ 48.224781] CPU: 1 PID: 7187 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 48.231866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.241207] Call Trace: [ 48.243779] dump_stack+0x138/0x19c [ 48.247391] should_fail.cold+0x10f/0x159 [ 48.251525] should_failslab+0xdb/0x130 [ 48.255483] kmem_cache_alloc+0x2d7/0x780 [ 48.259635] ? trace_hardirqs_on_caller+0x400/0x590 [ 48.264640] ? timespec_trunc+0xb5/0x120 [ 48.268690] ? put_itimerspec64+0x190/0x190 [ 48.273002] __d_alloc+0x2d/0x9f0 [ 48.276465] ? set_nlink+0x115/0x160 [ 48.280172] d_make_root+0x43/0xc0 [ 48.283714] proc_fill_super+0x20c/0x2e6 [ 48.287775] mount_ns+0xec/0x190 [ 48.291125] ? proc_get_inode+0x620/0x620 [ 48.295266] proc_mount+0x6a/0xa0 [ 48.298722] mount_fs+0x97/0x2a1 [ 48.302073] vfs_kern_mount.part.0+0x5e/0x3d0 [ 48.306572] ? rcu_read_lock_sched_held+0x110/0x130 [ 48.311577] kern_mount_data+0x56/0xc0 [ 48.315469] pid_ns_prepare_proc+0x1e/0x90 [ 48.319720] alloc_pid+0x9ef/0xc70 [ 48.323258] copy_process.part.0+0x272f/0x6a00 [ 48.327852] ? get_pid_task+0xbf/0x140 [ 48.331744] ? proc_fail_nth_write+0x7d/0x180 [ 48.336244] ? proc_cwd_link+0x1b0/0x1b0 [ 48.340308] ? __cleanup_sighand+0x50/0x50 [ 48.344546] ? vfs_write+0x25f/0x500 [ 48.348247] _do_fork+0x19e/0xce0 [ 48.351686] ? fork_idle+0x280/0x280 [ 48.355383] ? vfs_write+0x104/0x500 [ 48.359096] ? SyS_write+0x15e/0x230 [ 48.362830] SyS_clone+0x37/0x50 [ 48.366210] ? sys_vfork+0x30/0x30 [ 48.369749] do_syscall_64+0x1e8/0x640 [ 48.373625] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.378482] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.383659] RIP: 0033:0x441549 [ 48.386920] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 48.394813] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 48.402358] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 48.409637] RBP: 000000000000bb46 R08: 00000000ffffffff R09: 0000000100000000 [ 48.416910] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 48.424186] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 48.432210] proc_fill_super: allocate dentry failed executing program [ 48.483303] FAULT_INJECTION: forcing a failure. [ 48.483303] name failslab, interval 1, probability 0, space 0, times 0 [ 48.494723] CPU: 1 PID: 7189 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 48.501843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.511202] Call Trace: [ 48.513792] dump_stack+0x138/0x19c [ 48.517415] should_fail.cold+0x10f/0x159 [ 48.521567] should_failslab+0xdb/0x130 [ 48.525531] kmem_cache_alloc+0x2d7/0x780 [ 48.529672] ? trace_hardirqs_on_caller+0x400/0x590 [ 48.534682] ? timespec_trunc+0xb5/0x120 [ 48.538733] ? put_itimerspec64+0x190/0x190 [ 48.544719] __d_alloc+0x2d/0x9f0 [ 48.548160] ? set_nlink+0x115/0x160 [ 48.551982] d_make_root+0x43/0xc0 [ 48.555517] proc_fill_super+0x20c/0x2e6 [ 48.559569] mount_ns+0xec/0x190 [ 48.562918] ? proc_get_inode+0x620/0x620 [ 48.567065] proc_mount+0x6a/0xa0 [ 48.570504] mount_fs+0x97/0x2a1 [ 48.573865] vfs_kern_mount.part.0+0x5e/0x3d0 [ 48.578348] ? rcu_read_lock_sched_held+0x110/0x130 [ 48.583391] kern_mount_data+0x56/0xc0 [ 48.587281] pid_ns_prepare_proc+0x1e/0x90 [ 48.591527] alloc_pid+0x9ef/0xc70 [ 48.595067] copy_process.part.0+0x272f/0x6a00 [ 48.599763] ? get_pid_task+0xbf/0x140 [ 48.603661] ? proc_fail_nth_write+0x7d/0x180 [ 48.608172] ? proc_cwd_link+0x1b0/0x1b0 [ 48.612263] ? __cleanup_sighand+0x50/0x50 [ 48.616498] ? vfs_write+0x25f/0x500 [ 48.620452] _do_fork+0x19e/0xce0 [ 48.623918] ? fork_idle+0x280/0x280 [ 48.627636] ? vfs_write+0x104/0x500 [ 48.631781] ? SyS_write+0x15e/0x230 [ 48.635488] SyS_clone+0x37/0x50 [ 48.638845] ? sys_vfork+0x30/0x30 [ 48.642375] do_syscall_64+0x1e8/0x640 [ 48.646255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.651091] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.656271] RIP: 0033:0x441549 [ 48.659461] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 48.667160] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 48.674416] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program [ 48.681871] RBP: 000000000000bc54 R08: 00000000ffffffff R09: 0000000100000000 [ 48.689131] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 48.696394] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 48.704438] proc_fill_super: allocate dentry failed [ 48.732686] FAULT_INJECTION: forcing a failure. [ 48.732686] name failslab, interval 1, probability 0, space 0, times 0 [ 48.743957] CPU: 1 PID: 7191 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 48.751072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.760462] Call Trace: [ 48.763045] dump_stack+0x138/0x19c [ 48.766685] should_fail.cold+0x10f/0x159 [ 48.770849] should_failslab+0xdb/0x130 [ 48.774815] kmem_cache_alloc+0x2d7/0x780 [ 48.778950] ? trace_hardirqs_on_caller+0x400/0x590 [ 48.789180] ? timespec_trunc+0xb5/0x120 [ 48.793256] ? put_itimerspec64+0x190/0x190 [ 48.797570] __d_alloc+0x2d/0x9f0 [ 48.801032] ? set_nlink+0x115/0x160 [ 48.804735] d_make_root+0x43/0xc0 [ 48.808263] proc_fill_super+0x20c/0x2e6 [ 48.812313] mount_ns+0xec/0x190 [ 48.815684] ? proc_get_inode+0x620/0x620 [ 48.819859] proc_mount+0x6a/0xa0 [ 48.823299] mount_fs+0x97/0x2a1 [ 48.826665] vfs_kern_mount.part.0+0x5e/0x3d0 [ 48.831174] ? rcu_read_lock_sched_held+0x110/0x130 [ 48.836179] kern_mount_data+0x56/0xc0 [ 48.840191] pid_ns_prepare_proc+0x1e/0x90 [ 48.844418] alloc_pid+0x9ef/0xc70 [ 48.848477] copy_process.part.0+0x272f/0x6a00 [ 48.853051] ? get_pid_task+0xbf/0x140 [ 48.856936] ? proc_fail_nth_write+0x7d/0x180 [ 48.862280] ? proc_cwd_link+0x1b0/0x1b0 [ 48.866793] ? __cleanup_sighand+0x50/0x50 [ 48.871039] ? vfs_write+0x25f/0x500 [ 48.874842] _do_fork+0x19e/0xce0 [ 48.878318] ? fork_idle+0x280/0x280 [ 48.882026] ? vfs_write+0x104/0x500 [ 48.885730] ? SyS_write+0x15e/0x230 [ 48.889435] SyS_clone+0x37/0x50 [ 48.892804] ? sys_vfork+0x30/0x30 [ 48.896350] do_syscall_64+0x1e8/0x640 [ 48.900253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.905106] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.910287] RIP: 0033:0x441549 [ 48.913471] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 48.921174] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 48.928434] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program [ 48.935694] RBP: 000000000000bd61 R08: 00000000ffffffff R09: 0000000100000000 [ 48.942977] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 48.950256] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 48.958274] proc_fill_super: allocate dentry failed [ 49.002673] FAULT_INJECTION: forcing a failure. [ 49.002673] name failslab, interval 1, probability 0, space 0, times 0 [ 49.013958] CPU: 1 PID: 7193 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 49.021077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.030460] Call Trace: [ 49.033035] dump_stack+0x138/0x19c [ 49.036650] should_fail.cold+0x10f/0x159 [ 49.040810] should_failslab+0xdb/0x130 [ 49.044767] kmem_cache_alloc+0x2d7/0x780 [ 49.048927] ? trace_hardirqs_on_caller+0x400/0x590 [ 49.053937] ? timespec_trunc+0xb5/0x120 [ 49.058001] ? put_itimerspec64+0x190/0x190 [ 49.062317] __d_alloc+0x2d/0x9f0 [ 49.065755] ? set_nlink+0x115/0x160 [ 49.069474] d_make_root+0x43/0xc0 [ 49.073004] proc_fill_super+0x20c/0x2e6 [ 49.077047] mount_ns+0xec/0x190 [ 49.080393] ? proc_get_inode+0x620/0x620 [ 49.084532] proc_mount+0x6a/0xa0 [ 49.087981] mount_fs+0x97/0x2a1 [ 49.091336] vfs_kern_mount.part.0+0x5e/0x3d0 [ 49.095841] ? rcu_read_lock_sched_held+0x110/0x130 [ 49.100868] kern_mount_data+0x56/0xc0 [ 49.104745] pid_ns_prepare_proc+0x1e/0x90 [ 49.108980] alloc_pid+0x9ef/0xc70 [ 49.112539] copy_process.part.0+0x272f/0x6a00 [ 49.117123] ? get_pid_task+0xbf/0x140 [ 49.121009] ? proc_fail_nth_write+0x7d/0x180 [ 49.125504] ? proc_cwd_link+0x1b0/0x1b0 [ 49.129564] ? __cleanup_sighand+0x50/0x50 [ 49.133793] ? vfs_write+0x25f/0x500 [ 49.137519] _do_fork+0x19e/0xce0 [ 49.140969] ? fork_idle+0x280/0x280 [ 49.144702] ? vfs_write+0x104/0x500 [ 49.148408] ? SyS_write+0x15e/0x230 [ 49.152144] SyS_clone+0x37/0x50 [ 49.155498] ? sys_vfork+0x30/0x30 [ 49.159023] do_syscall_64+0x1e8/0x640 [ 49.162911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.167751] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.172951] RIP: 0033:0x441549 [ 49.176130] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 49.183854] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 49.191204] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 49.198484] RBP: 000000000000be5b R08: 00000000ffffffff R09: 0000000100000000 [ 49.205742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 49.213090] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 49.221527] proc_fill_super: allocate dentry failed executing program [ 49.273417] FAULT_INJECTION: forcing a failure. [ 49.273417] name failslab, interval 1, probability 0, space 0, times 0 [ 49.284731] CPU: 1 PID: 7195 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 49.291835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.301202] Call Trace: [ 49.303802] dump_stack+0x138/0x19c [ 49.307420] should_fail.cold+0x10f/0x159 [ 49.311566] should_failslab+0xdb/0x130 [ 49.315523] kmem_cache_alloc+0x2d7/0x780 [ 49.319655] ? find_held_lock+0x35/0x130 [ 49.323709] __d_alloc+0x2d/0x9f0 [ 49.327145] d_alloc+0x4d/0x270 [ 49.330409] d_alloc_name+0x71/0x90 [ 49.334051] ? d_alloc+0x270/0x270 [ 49.337584] ? down_write+0x38/0x90 [ 49.341201] proc_setup_self+0xc3/0x38a [ 49.345159] proc_fill_super+0x247/0x2e6 [ 49.349215] mount_ns+0xec/0x190 [ 49.352575] ? proc_get_inode+0x620/0x620 [ 49.356706] proc_mount+0x6a/0xa0 [ 49.360148] mount_fs+0x97/0x2a1 [ 49.363504] vfs_kern_mount.part.0+0x5e/0x3d0 [ 49.367984] ? rcu_read_lock_sched_held+0x110/0x130 [ 49.372988] kern_mount_data+0x56/0xc0 [ 49.376961] pid_ns_prepare_proc+0x1e/0x90 [ 49.381193] alloc_pid+0x9ef/0xc70 [ 49.384832] copy_process.part.0+0x272f/0x6a00 [ 49.389409] ? get_pid_task+0xbf/0x140 [ 49.393314] ? proc_fail_nth_write+0x7d/0x180 [ 49.397817] ? proc_cwd_link+0x1b0/0x1b0 [ 49.401971] ? __cleanup_sighand+0x50/0x50 [ 49.406202] ? vfs_write+0x25f/0x500 [ 49.410081] _do_fork+0x19e/0xce0 [ 49.413527] ? fork_idle+0x280/0x280 [ 49.417227] ? vfs_write+0x104/0x500 [ 49.420930] ? SyS_write+0x15e/0x230 [ 49.424630] SyS_clone+0x37/0x50 [ 49.427981] ? sys_vfork+0x30/0x30 [ 49.431619] do_syscall_64+0x1e8/0x640 [ 49.435491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.440325] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.445496] RIP: 0033:0x441549 [ 49.448667] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 49.456467] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 49.463742] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program [ 49.471103] RBP: 000000000000bf69 R08: 00000000ffffffff R09: 0000000100000000 [ 49.478384] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 49.485647] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 49.493673] proc_fill_super: can't allocate /proc/self [ 49.523417] FAULT_INJECTION: forcing a failure. [ 49.523417] name failslab, interval 1, probability 0, space 0, times 0 [ 49.534744] CPU: 1 PID: 7197 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 49.541933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.551273] Call Trace: [ 49.553845] dump_stack+0x138/0x19c [ 49.557467] should_fail.cold+0x10f/0x159 [ 49.561712] should_failslab+0xdb/0x130 [ 49.565705] kmem_cache_alloc+0x2d7/0x780 [ 49.569863] ? find_held_lock+0x35/0x130 [ 49.573917] __d_alloc+0x2d/0x9f0 [ 49.577381] d_alloc+0x4d/0x270 [ 49.580662] d_alloc_name+0x71/0x90 [ 49.584303] ? d_alloc+0x270/0x270 [ 49.587864] ? down_write+0x38/0x90 [ 49.591661] proc_setup_self+0xc3/0x38a [ 49.595624] proc_fill_super+0x247/0x2e6 [ 49.599676] mount_ns+0xec/0x190 [ 49.603139] ? proc_get_inode+0x620/0x620 [ 49.607277] proc_mount+0x6a/0xa0 [ 49.610728] mount_fs+0x97/0x2a1 [ 49.614109] vfs_kern_mount.part.0+0x5e/0x3d0 [ 49.618614] ? rcu_read_lock_sched_held+0x110/0x130 [ 49.623757] kern_mount_data+0x56/0xc0 [ 49.627638] pid_ns_prepare_proc+0x1e/0x90 [ 49.631873] alloc_pid+0x9ef/0xc70 [ 49.635467] copy_process.part.0+0x272f/0x6a00 [ 49.640055] ? get_pid_task+0xbf/0x140 [ 49.643938] ? proc_fail_nth_write+0x7d/0x180 [ 49.648420] ? proc_cwd_link+0x1b0/0x1b0 [ 49.652493] ? __cleanup_sighand+0x50/0x50 [ 49.656715] ? vfs_write+0x25f/0x500 [ 49.660419] _do_fork+0x19e/0xce0 [ 49.663867] ? fork_idle+0x280/0x280 [ 49.667584] ? vfs_write+0x104/0x500 [ 49.671285] ? SyS_write+0x15e/0x230 [ 49.675009] SyS_clone+0x37/0x50 [ 49.678360] ? sys_vfork+0x30/0x30 [ 49.681906] do_syscall_64+0x1e8/0x640 [ 49.687766] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.692799] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.697980] RIP: 0033:0x441549 [ 49.701170] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 49.708866] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 49.716124] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program [ 49.723557] RBP: 000000000000c078 R08: 00000000ffffffff R09: 0000000100000000 [ 49.730817] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 49.738074] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 49.746113] proc_fill_super: can't allocate /proc/self [ 49.782886] FAULT_INJECTION: forcing a failure. [ 49.782886] name failslab, interval 1, probability 0, space 0, times 0 [ 49.794154] CPU: 1 PID: 7199 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 49.801271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.810833] Call Trace: [ 49.813570] dump_stack+0x138/0x19c [ 49.817394] should_fail.cold+0x10f/0x159 [ 49.821559] should_failslab+0xdb/0x130 [ 49.825834] kmem_cache_alloc+0x2d7/0x780 [ 49.829983] ? trace_hardirqs_on_caller+0x400/0x590 [ 49.835011] ? timespec_trunc+0xb5/0x120 [ 49.839175] ? put_itimerspec64+0x190/0x190 [ 49.843572] __d_alloc+0x2d/0x9f0 [ 49.847132] ? set_nlink+0x115/0x160 [ 49.850915] d_make_root+0x43/0xc0 [ 49.854486] proc_fill_super+0x20c/0x2e6 [ 49.858641] mount_ns+0xec/0x190 [ 49.862034] ? proc_get_inode+0x620/0x620 [ 49.866178] proc_mount+0x6a/0xa0 [ 49.869694] mount_fs+0x97/0x2a1 [ 49.873059] vfs_kern_mount.part.0+0x5e/0x3d0 [ 49.877673] ? rcu_read_lock_sched_held+0x110/0x130 [ 49.882779] kern_mount_data+0x56/0xc0 [ 49.886840] pid_ns_prepare_proc+0x1e/0x90 [ 49.891242] alloc_pid+0x9ef/0xc70 [ 49.894783] copy_process.part.0+0x272f/0x6a00 [ 49.899364] ? get_pid_task+0xbf/0x140 [ 49.903249] ? proc_fail_nth_write+0x7d/0x180 [ 49.908044] ? proc_cwd_link+0x1b0/0x1b0 [ 49.912136] ? __cleanup_sighand+0x50/0x50 [ 49.916405] ? vfs_write+0x25f/0x500 [ 49.920241] _do_fork+0x19e/0xce0 [ 49.923717] ? fork_idle+0x280/0x280 [ 49.927423] ? vfs_write+0x104/0x500 [ 49.931256] ? SyS_write+0x15e/0x230 [ 49.935119] SyS_clone+0x37/0x50 [ 49.938536] ? sys_vfork+0x30/0x30 [ 49.942101] do_syscall_64+0x1e8/0x640 [ 49.945979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.951148] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.956686] RIP: 0033:0x441549 [ 49.959863] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 49.967568] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 49.974950] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 49.982287] RBP: 000000000000c172 R08: 00000000ffffffff R09: 0000000100000000 [ 49.989752] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 49.997021] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 50.004825] proc_fill_super: allocate dentry failed executing program [ 50.035881] FAULT_INJECTION: forcing a failure. [ 50.035881] name failslab, interval 1, probability 0, space 0, times 0 [ 50.047577] CPU: 1 PID: 7201 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 50.054776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.064311] Call Trace: [ 50.067130] dump_stack+0x138/0x19c [ 50.070950] should_fail.cold+0x10f/0x159 [ 50.075096] should_failslab+0xdb/0x130 [ 50.079064] kmem_cache_alloc+0x2d7/0x780 [ 50.083880] ? trace_hardirqs_on_caller+0x400/0x590 [ 50.088928] ? timespec_trunc+0xb5/0x120 [ 50.092990] ? put_itimerspec64+0x190/0x190 [ 50.097419] __d_alloc+0x2d/0x9f0 [ 50.100963] ? set_nlink+0x115/0x160 [ 50.104775] d_make_root+0x43/0xc0 [ 50.108312] proc_fill_super+0x20c/0x2e6 [ 50.112456] mount_ns+0xec/0x190 [ 50.115815] ? proc_get_inode+0x620/0x620 [ 50.120214] proc_mount+0x6a/0xa0 [ 50.123698] mount_fs+0x97/0x2a1 [ 50.127250] vfs_kern_mount.part.0+0x5e/0x3d0 [ 50.131876] ? rcu_read_lock_sched_held+0x110/0x130 [ 50.136920] kern_mount_data+0x56/0xc0 [ 50.140890] pid_ns_prepare_proc+0x1e/0x90 [ 50.145238] alloc_pid+0x9ef/0xc70 [ 50.148783] copy_process.part.0+0x272f/0x6a00 [ 50.153489] ? get_pid_task+0xbf/0x140 [ 50.157534] ? proc_fail_nth_write+0x7d/0x180 [ 50.162211] ? proc_cwd_link+0x1b0/0x1b0 [ 50.166282] ? __cleanup_sighand+0x50/0x50 [ 50.170504] ? vfs_write+0x25f/0x500 [ 50.174306] _do_fork+0x19e/0xce0 [ 50.177921] ? fork_idle+0x280/0x280 [ 50.181691] ? vfs_write+0x104/0x500 [ 50.185732] ? SyS_write+0x15e/0x230 [ 50.189451] SyS_clone+0x37/0x50 [ 50.192845] ? sys_vfork+0x30/0x30 [ 50.196432] do_syscall_64+0x1e8/0x640 [ 50.200416] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.205535] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.210861] RIP: 0033:0x441549 [ 50.214273] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 50.222088] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 50.229430] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program [ 50.236706] RBP: 00000000004a2ab0 R08: 00000000ffffffff R09: 0000000120080522 [ 50.244104] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 50.251383] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 50.259306] proc_fill_super: allocate dentry failed [ 50.266927] FAULT_INJECTION: forcing a failure. [ 50.266927] name failslab, interval 1, probability 0, space 0, times 0 [ 50.278543] CPU: 0 PID: 7203 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 50.287681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.297633] Call Trace: [ 50.300555] dump_stack+0x138/0x19c [ 50.304365] should_fail.cold+0x10f/0x159 [ 50.308612] should_failslab+0xdb/0x130 [ 50.312849] kmem_cache_alloc+0x2d7/0x780 [ 50.316995] ? proc_alloc_inode+0x1c/0x1a0 [ 50.321577] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 50.327064] selinux_inode_alloc_security+0xb6/0x2a0 [ 50.332304] security_inode_alloc+0x94/0xd0 [ 50.336663] inode_init_always+0x552/0xaf0 [ 50.340987] alloc_inode+0x81/0x180 [ 50.344781] new_inode_pseudo+0x19/0xf0 [ 50.348958] proc_get_inode+0x20/0x620 [ 50.352938] proc_fill_super+0x1f3/0x2e6 [ 50.356994] mount_ns+0xec/0x190 [ 50.360353] ? proc_get_inode+0x620/0x620 [ 50.364595] proc_mount+0x6a/0xa0 [ 50.368116] mount_fs+0x97/0x2a1 [ 50.371550] vfs_kern_mount.part.0+0x5e/0x3d0 [ 50.376325] ? rcu_read_lock_sched_held+0x110/0x130 [ 50.381755] kern_mount_data+0x56/0xc0 [ 50.385644] pid_ns_prepare_proc+0x1e/0x90 [ 50.389884] alloc_pid+0x9ef/0xc70 [ 50.393426] copy_process.part.0+0x272f/0x6a00 [ 50.398109] ? get_pid_task+0xbf/0x140 [ 50.402055] ? proc_fail_nth_write+0x7d/0x180 [ 50.407119] ? proc_cwd_link+0x1b0/0x1b0 [ 50.411603] ? __cleanup_sighand+0x50/0x50 [ 50.416076] ? vfs_write+0x25f/0x500 [ 50.419782] _do_fork+0x19e/0xce0 [ 50.423222] ? fork_idle+0x280/0x280 [ 50.426930] ? vfs_write+0x104/0x500 [ 50.430639] ? SyS_write+0x15e/0x230 [ 50.434463] SyS_clone+0x37/0x50 [ 50.438050] ? sys_vfork+0x30/0x30 [ 50.441628] do_syscall_64+0x1e8/0x640 [ 50.445510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.450468] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.455847] RIP: 0033:0x441549 [ 50.459132] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 50.467011] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 50.474375] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program [ 50.481637] RBP: 000000000000c275 R08: 00000000ffffffff R09: 0000000100000000 [ 50.489006] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 50.496556] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 50.504001] proc_fill_super: get root inode failed [ 50.514568] FAULT_INJECTION: forcing a failure. [ 50.514568] name failslab, interval 1, probability 0, space 0, times 0 [ 50.526016] CPU: 1 PID: 7205 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 50.533227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.542612] Call Trace: [ 50.545206] dump_stack+0x138/0x19c [ 50.548999] should_fail.cold+0x10f/0x159 [ 50.553380] should_failslab+0xdb/0x130 [ 50.557891] __kmalloc+0x2f0/0x7a0 [ 50.561794] ? __list_lru_init+0x6b/0x660 [ 50.565966] __list_lru_init+0x6b/0x660 [ 50.570299] sget_userns+0x4e0/0xc30 [ 50.574015] ? set_anon_super+0x20/0x20 [ 50.577989] ? get_empty_filp.cold+0x3b/0x3b [ 50.582442] mount_ns+0x6d/0x190 [ 50.585957] ? proc_get_inode+0x620/0x620 [ 50.590134] proc_mount+0x6a/0xa0 [ 50.593851] mount_fs+0x97/0x2a1 [ 50.597317] vfs_kern_mount.part.0+0x5e/0x3d0 [ 50.601834] ? rcu_read_lock_sched_held+0x110/0x130 [ 50.606968] kern_mount_data+0x56/0xc0 [ 50.610875] pid_ns_prepare_proc+0x1e/0x90 [ 50.615218] alloc_pid+0x9ef/0xc70 [ 50.618767] copy_process.part.0+0x272f/0x6a00 [ 50.623360] ? get_pid_task+0xbf/0x140 [ 50.627258] ? proc_fail_nth_write+0x7d/0x180 [ 50.631755] ? proc_cwd_link+0x1b0/0x1b0 [ 50.635826] ? __cleanup_sighand+0x50/0x50 [ 50.640065] ? vfs_write+0x25f/0x500 [ 50.643941] _do_fork+0x19e/0xce0 [ 50.647618] ? fork_idle+0x280/0x280 [ 50.651382] ? vfs_write+0x104/0x500 [ 50.655098] ? SyS_write+0x15e/0x230 [ 50.659542] SyS_clone+0x37/0x50 [ 50.662905] ? sys_vfork+0x30/0x30 [ 50.666438] do_syscall_64+0x1e8/0x640 [ 50.670438] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.675276] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.680458] RIP: 0033:0x441549 executing program [ 50.683643] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 50.691337] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 50.698616] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 50.706209] RBP: 000000000000c372 R08: 00000000ffffffff R09: 0000000100000000 [ 50.713854] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 50.722128] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 50.733712] FAULT_INJECTION: forcing a failure. [ 50.733712] name failslab, interval 1, probability 0, space 0, times 0 [ 50.745305] CPU: 0 PID: 7207 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 50.752514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.762467] Call Trace: [ 50.765061] dump_stack+0x138/0x19c [ 50.768906] should_fail.cold+0x10f/0x159 [ 50.773342] should_failslab+0xdb/0x130 [ 50.777592] kmem_cache_alloc+0x2d7/0x780 [ 50.781834] ? find_held_lock+0x35/0x130 [ 50.785902] __d_alloc+0x2d/0x9f0 [ 50.789370] d_alloc+0x4d/0x270 [ 50.792726] d_alloc_name+0x71/0x90 [ 50.796510] ? d_alloc+0x270/0x270 [ 50.800064] ? down_write+0x38/0x90 [ 50.803831] proc_setup_self+0xc3/0x38a [ 50.807911] proc_fill_super+0x247/0x2e6 [ 50.812093] mount_ns+0xec/0x190 [ 50.815667] ? proc_get_inode+0x620/0x620 [ 50.819874] proc_mount+0x6a/0xa0 [ 50.823505] mount_fs+0x97/0x2a1 [ 50.826887] vfs_kern_mount.part.0+0x5e/0x3d0 [ 50.831669] ? rcu_read_lock_sched_held+0x110/0x130 [ 50.836697] kern_mount_data+0x56/0xc0 [ 50.840684] pid_ns_prepare_proc+0x1e/0x90 [ 50.844981] alloc_pid+0x9ef/0xc70 [ 50.848543] copy_process.part.0+0x272f/0x6a00 [ 50.853783] ? get_pid_task+0xbf/0x140 [ 50.857836] ? proc_fail_nth_write+0x7d/0x180 [ 50.862622] ? proc_cwd_link+0x1b0/0x1b0 [ 50.866831] ? __cleanup_sighand+0x50/0x50 [ 50.871258] ? vfs_write+0x25f/0x500 [ 50.875737] _do_fork+0x19e/0xce0 [ 50.879778] ? fork_idle+0x280/0x280 [ 50.884487] ? vfs_write+0x104/0x500 [ 50.888236] ? SyS_write+0x15e/0x230 [ 50.891954] SyS_clone+0x37/0x50 [ 50.895349] ? sys_vfork+0x30/0x30 [ 50.899153] do_syscall_64+0x1e8/0x640 [ 50.903169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.908015] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.913264] RIP: 0033:0x441549 [ 50.916564] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 50.924413] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 50.931973] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program [ 50.939545] RBP: 000000000000c459 R08: 00000000ffffffff R09: 0000000100000000 [ 50.947786] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 50.955622] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 50.963120] proc_fill_super: can't allocate /proc/self [ 50.972802] FAULT_INJECTION: forcing a failure. [ 50.972802] name failslab, interval 1, probability 0, space 0, times 0 [ 50.984350] CPU: 1 PID: 7209 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 50.991583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.001208] Call Trace: [ 51.003798] dump_stack+0x138/0x19c [ 51.007590] should_fail.cold+0x10f/0x159 [ 51.011739] should_failslab+0xdb/0x130 [ 51.015708] __kmalloc+0x2f0/0x7a0 [ 51.019587] ? __list_lru_init+0x6b/0x660 [ 51.023836] __list_lru_init+0x6b/0x660 [ 51.027803] sget_userns+0x4e0/0xc30 [ 51.031522] ? set_anon_super+0x20/0x20 [ 51.035492] ? get_empty_filp.cold+0x3b/0x3b [ 51.040079] mount_ns+0x6d/0x190 [ 51.043449] ? proc_get_inode+0x620/0x620 [ 51.047752] proc_mount+0x6a/0xa0 [ 51.052009] mount_fs+0x97/0x2a1 [ 51.055373] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.059962] ? rcu_read_lock_sched_held+0x110/0x130 [ 51.065025] kern_mount_data+0x56/0xc0 [ 51.068979] pid_ns_prepare_proc+0x1e/0x90 [ 51.073549] alloc_pid+0x9ef/0xc70 [ 51.077253] copy_process.part.0+0x272f/0x6a00 [ 51.081942] ? get_pid_task+0xbf/0x140 [ 51.085917] ? proc_fail_nth_write+0x7d/0x180 [ 51.090569] ? proc_cwd_link+0x1b0/0x1b0 [ 51.094908] ? __cleanup_sighand+0x50/0x50 [ 51.099148] ? vfs_write+0x25f/0x500 [ 51.102951] _do_fork+0x19e/0xce0 [ 51.106423] ? fork_idle+0x280/0x280 [ 51.110243] ? vfs_write+0x104/0x500 [ 51.114133] ? SyS_write+0x15e/0x230 [ 51.118048] SyS_clone+0x37/0x50 [ 51.121501] ? sys_vfork+0x30/0x30 [ 51.125084] do_syscall_64+0x1e8/0x640 [ 51.129034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.133879] entry_SYSCALL_64_after_hwframe+0x42/0xb7 executing program [ 51.139382] RIP: 0033:0x441549 [ 51.142608] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 51.150698] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 51.158124] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 51.166044] RBP: 000000000000c550 R08: 00000000ffffffff R09: 0000000100000000 [ 51.173638] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 51.181422] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 51.193482] FAULT_INJECTION: forcing a failure. [ 51.193482] name failslab, interval 1, probability 0, space 0, times 0 [ 51.206453] CPU: 0 PID: 7211 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 51.213570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.222948] Call Trace: [ 51.225645] dump_stack+0x138/0x19c [ 51.229287] should_fail.cold+0x10f/0x159 [ 51.233640] should_failslab+0xdb/0x130 [ 51.237885] kmem_cache_alloc+0x2d7/0x780 [ 51.242063] ? trace_hardirqs_on_caller+0x400/0x590 [ 51.249906] ? timespec_trunc+0xb5/0x120 [ 51.254475] ? put_itimerspec64+0x190/0x190 [ 51.258813] __d_alloc+0x2d/0x9f0 [ 51.262299] ? set_nlink+0x115/0x160 [ 51.266156] d_make_root+0x43/0xc0 [ 51.269690] proc_fill_super+0x20c/0x2e6 [ 51.273787] mount_ns+0xec/0x190 [ 51.277623] ? proc_get_inode+0x620/0x620 [ 51.282215] proc_mount+0x6a/0xa0 [ 51.285865] mount_fs+0x97/0x2a1 [ 51.289388] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.294108] ? rcu_read_lock_sched_held+0x110/0x130 [ 51.300322] kern_mount_data+0x56/0xc0 [ 51.304335] pid_ns_prepare_proc+0x1e/0x90 [ 51.308784] alloc_pid+0x9ef/0xc70 [ 51.312473] copy_process.part.0+0x272f/0x6a00 [ 51.318597] ? get_pid_task+0xbf/0x140 [ 51.322747] ? proc_fail_nth_write+0x7d/0x180 [ 51.328460] ? proc_cwd_link+0x1b0/0x1b0 [ 51.332650] ? __cleanup_sighand+0x50/0x50 [ 51.337099] ? vfs_write+0x25f/0x500 [ 51.340961] _do_fork+0x19e/0xce0 [ 51.344555] ? fork_idle+0x280/0x280 [ 51.348514] ? vfs_write+0x104/0x500 [ 51.352257] ? SyS_write+0x15e/0x230 [ 51.355986] SyS_clone+0x37/0x50 [ 51.359530] ? sys_vfork+0x30/0x30 [ 51.363120] do_syscall_64+0x1e8/0x640 [ 51.367021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.371883] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.377243] RIP: 0033:0x441549 [ 51.380575] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 executing program [ 51.388501] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 51.395999] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 51.403346] RBP: 000000000000c62c R08: 00000000ffffffff R09: 0000000100000000 [ 51.410609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 51.417867] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 51.425425] proc_fill_super: allocate dentry failed [ 51.433467] FAULT_INJECTION: forcing a failure. [ 51.433467] name failslab, interval 1, probability 0, space 0, times 0 [ 51.445795] CPU: 0 PID: 7213 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 51.450892] IPVS: ftp: loaded support on port[0] = 21 [ 51.454490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.454496] Call Trace: [ 51.454515] dump_stack+0x138/0x19c [ 51.454528] should_fail.cold+0x10f/0x159 [ 51.482273] should_failslab+0xdb/0x130 [ 51.486466] kmem_cache_alloc+0x2d7/0x780 [ 51.490655] ? trace_hardirqs_on_caller+0x400/0x590 [ 51.495838] ? timespec_trunc+0xb5/0x120 [ 51.500063] ? put_itimerspec64+0x190/0x190 [ 51.504394] __d_alloc+0x2d/0x9f0 [ 51.507840] ? set_nlink+0x115/0x160 [ 51.511602] d_make_root+0x43/0xc0 [ 51.515140] proc_fill_super+0x20c/0x2e6 [ 51.519467] mount_ns+0xec/0x190 [ 51.522834] ? proc_get_inode+0x620/0x620 [ 51.526981] proc_mount+0x6a/0xa0 [ 51.530468] mount_fs+0x97/0x2a1 [ 51.533930] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.538780] ? rcu_read_lock_sched_held+0x110/0x130 [ 51.544077] kern_mount_data+0x56/0xc0 [ 51.548004] pid_ns_prepare_proc+0x1e/0x90 [ 51.552230] alloc_pid+0x9ef/0xc70 [ 51.555864] copy_process.part.0+0x272f/0x6a00 [ 51.560437] ? get_pid_task+0xbf/0x140 [ 51.564317] ? proc_fail_nth_write+0x7d/0x180 [ 51.568908] ? proc_cwd_link+0x1b0/0x1b0 [ 51.572981] ? __cleanup_sighand+0x50/0x50 [ 51.577273] ? vfs_write+0x25f/0x500 [ 51.580985] _do_fork+0x19e/0xce0 [ 51.584441] ? fork_idle+0x280/0x280 [ 51.588236] ? vfs_write+0x104/0x500 [ 51.591955] ? SyS_write+0x15e/0x230 [ 51.595890] SyS_clone+0x37/0x50 [ 51.599243] ? sys_vfork+0x30/0x30 [ 51.602774] do_syscall_64+0x1e8/0x640 [ 51.606750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.611594] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.616776] RIP: 0033:0x441549 [ 51.619954] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 51.627694] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 51.635069] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program executing program [ 51.642331] RBP: 000000000000c71b R08: 00000000ffffffff R09: 0000000100000000 [ 51.649681] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 51.657299] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 51.664777] proc_fill_super: allocate dentry failed [ 51.682867] FAULT_INJECTION: forcing a failure. [ 51.682867] name failslab, interval 1, probability 0, space 0, times 0 [ 51.694354] CPU: 1 PID: 7215 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 51.694945] FAULT_INJECTION: forcing a failure. [ 51.694945] name failslab, interval 1, probability 0, space 0, times 0 [ 51.701552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.701557] Call Trace: [ 51.701577] dump_stack+0x138/0x19c [ 51.701591] should_fail.cold+0x10f/0x159 [ 51.701603] should_failslab+0xdb/0x130 [ 51.701612] kmem_cache_alloc+0x2d7/0x780 [ 51.701622] ? find_held_lock+0x35/0x130 [ 51.701635] __d_alloc+0x2d/0x9f0 [ 51.701645] d_alloc+0x4d/0x270 [ 51.701656] d_alloc_name+0x71/0x90 [ 51.701663] ? d_alloc+0x270/0x270 [ 51.701673] ? down_write+0x38/0x90 [ 51.701687] proc_setup_self+0xc3/0x38a [ 51.766316] proc_fill_super+0x247/0x2e6 [ 51.770465] mount_ns+0xec/0x190 [ 51.773828] ? proc_get_inode+0x620/0x620 [ 51.777975] proc_mount+0x6a/0xa0 [ 51.781435] mount_fs+0x97/0x2a1 [ 51.784817] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.789314] ? rcu_read_lock_sched_held+0x110/0x130 [ 51.794343] kern_mount_data+0x56/0xc0 [ 51.798327] pid_ns_prepare_proc+0x1e/0x90 [ 51.802577] alloc_pid+0x9ef/0xc70 [ 51.806499] copy_process.part.0+0x272f/0x6a00 [ 51.811095] ? get_pid_task+0xbf/0x140 [ 51.815079] ? proc_fail_nth_write+0x7d/0x180 [ 51.819601] ? proc_cwd_link+0x1b0/0x1b0 [ 51.823682] ? __cleanup_sighand+0x50/0x50 [ 51.827945] ? vfs_write+0x25f/0x500 [ 51.831674] _do_fork+0x19e/0xce0 [ 51.835140] ? fork_idle+0x280/0x280 [ 51.838852] ? vfs_write+0x104/0x500 [ 51.842655] ? SyS_write+0x15e/0x230 [ 51.846369] SyS_clone+0x37/0x50 [ 51.849733] ? sys_vfork+0x30/0x30 [ 51.853272] do_syscall_64+0x1e8/0x640 [ 51.857180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.862028] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.867215] RIP: 0033:0x441549 [ 51.870398] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 51.878108] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 51.885463] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 51.892736] RBP: 000000000000c7f8 R08: 00000000ffffffff R09: 0000000100000000 [ 51.900007] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 51.907293] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 51.914582] CPU: 0 PID: 7217 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 51.915367] proc_fill_super: can't allocate /proc/self [ 51.921711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.921716] Call Trace: [ 51.921735] dump_stack+0x138/0x19c [ 51.921748] should_fail.cold+0x10f/0x159 [ 51.921761] should_failslab+0xdb/0x130 [ 51.921770] __kmalloc+0x2f0/0x7a0 [ 51.921783] ? __list_lru_init+0x6b/0x660 [ 51.921792] __list_lru_init+0x6b/0x660 [ 51.921804] sget_userns+0x4e0/0xc30 [ 51.921812] ? set_anon_super+0x20/0x20 [ 51.921823] ? get_empty_filp.cold+0x3b/0x3b [ 51.921833] mount_ns+0x6d/0x190 [ 51.978231] ? proc_get_inode+0x620/0x620 [ 51.982388] proc_mount+0x6a/0xa0 [ 51.985831] mount_fs+0x97/0x2a1 [ 51.989493] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.993978] ? rcu_read_lock_sched_held+0x110/0x130 [ 51.999003] kern_mount_data+0x56/0xc0 [ 52.002970] pid_ns_prepare_proc+0x1e/0x90 [ 52.007193] alloc_pid+0x9ef/0xc70 [ 52.010726] copy_process.part.0+0x272f/0x6a00 [ 52.015295] ? get_pid_task+0xbf/0x140 [ 52.019169] ? proc_fail_nth_write+0x7d/0x180 [ 52.023649] ? proc_cwd_link+0x1b0/0x1b0 [ 52.027726] ? __cleanup_sighand+0x50/0x50 [ 52.031953] ? vfs_write+0x25f/0x500 [ 52.036199] _do_fork+0x19e/0xce0 [ 52.039639] ? fork_idle+0x280/0x280 [ 52.043337] ? vfs_write+0x104/0x500 [ 52.047036] ? SyS_write+0x15e/0x230 [ 52.050872] SyS_clone+0x37/0x50 [ 52.054232] ? sys_vfork+0x30/0x30 [ 52.057762] do_syscall_64+0x1e8/0x640 [ 52.061638] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.066484] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.071659] RIP: 0033:0x441549 [ 52.074869] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 52.082594] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 52.089861] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 executing program [ 52.097146] RBP: 000000000000c8e8 R08: 00000000ffffffff R09: 0000000100000000 [ 52.104670] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 52.111962] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 executing program [ 52.154283] FAULT_INJECTION: forcing a failure. [ 52.154283] name failslab, interval 1, probability 0, space 0, times 0 [ 52.165594] CPU: 0 PID: 7219 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 52.172689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.175114] FAULT_INJECTION: forcing a failure. [ 52.175114] name failslab, interval 1, probability 0, space 0, times 0 [ 52.182047] Call Trace: [ 52.182066] dump_stack+0x138/0x19c [ 52.182081] should_fail.cold+0x10f/0x159 [ 52.182094] should_failslab+0xdb/0x130 [ 52.182104] kmem_cache_alloc+0x2d7/0x780 [ 52.182119] ? find_held_lock+0x35/0x130 [ 52.215965] __d_alloc+0x2d/0x9f0 [ 52.219425] d_alloc+0x4d/0x270 [ 52.222709] d_alloc_name+0x71/0x90 [ 52.226334] ? d_alloc+0x270/0x270 [ 52.230054] ? down_write+0x38/0x90 [ 52.233682] proc_setup_self+0xc3/0x38a [ 52.237663] proc_fill_super+0x247/0x2e6 [ 52.241726] mount_ns+0xec/0x190 [ 52.245110] ? proc_get_inode+0x620/0x620 [ 52.249262] proc_mount+0x6a/0xa0 [ 52.252720] mount_fs+0x97/0x2a1 [ 52.256096] vfs_kern_mount.part.0+0x5e/0x3d0 [ 52.260592] ? rcu_read_lock_sched_held+0x110/0x130 [ 52.265619] kern_mount_data+0x56/0xc0 [ 52.269518] pid_ns_prepare_proc+0x1e/0x90 [ 52.273757] alloc_pid+0x9ef/0xc70 [ 52.277418] copy_process.part.0+0x272f/0x6a00 [ 52.282013] ? get_pid_task+0xbf/0x140 [ 52.285992] ? proc_fail_nth_write+0x7d/0x180 [ 52.290494] ? proc_cwd_link+0x1b0/0x1b0 [ 52.294595] ? __cleanup_sighand+0x50/0x50 [ 52.299096] ? vfs_write+0x25f/0x500 [ 52.302912] _do_fork+0x19e/0xce0 [ 52.306408] ? fork_idle+0x280/0x280 [ 52.310145] ? vfs_write+0x104/0x500 [ 52.313972] ? SyS_write+0x15e/0x230 [ 52.317698] SyS_clone+0x37/0x50 [ 52.321078] ? sys_vfork+0x30/0x30 [ 52.324622] do_syscall_64+0x1e8/0x640 [ 52.328508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.333364] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.338556] RIP: 0033:0x441549 [ 52.341747] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 52.349553] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 52.356825] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 52.364094] RBP: 000000000000c9ec R08: 00000000ffffffff R09: 0000000100000000 [ 52.371366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 52.378667] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 52.386168] CPU: 1 PID: 7221 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 52.386500] proc_fill_super: can't allocate /proc/self [ 52.393301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.393306] Call Trace: [ 52.393324] dump_stack+0x138/0x19c [ 52.393338] should_fail.cold+0x10f/0x159 [ 52.393352] should_failslab+0xdb/0x130 [ 52.393361] kmem_cache_alloc+0x2d7/0x780 [ 52.393370] ? trace_hardirqs_on_caller+0x400/0x590 [ 52.393381] ? timespec_trunc+0xb5/0x120 [ 52.435384] ? put_itimerspec64+0x190/0x190 [ 52.439692] __d_alloc+0x2d/0x9f0 [ 52.443146] ? set_nlink+0x115/0x160 [ 52.446844] d_make_root+0x43/0xc0 [ 52.450368] proc_fill_super+0x20c/0x2e6 [ 52.454411] mount_ns+0xec/0x190 [ 52.457753] ? proc_get_inode+0x620/0x620 [ 52.461879] proc_mount+0x6a/0xa0 [ 52.465309] mount_fs+0x97/0x2a1 [ 52.468662] vfs_kern_mount.part.0+0x5e/0x3d0 [ 52.473151] ? rcu_read_lock_sched_held+0x110/0x130 [ 52.478161] kern_mount_data+0x56/0xc0 [ 52.482073] pid_ns_prepare_proc+0x1e/0x90 [ 52.486315] alloc_pid+0x9ef/0xc70 [ 52.489887] copy_process.part.0+0x272f/0x6a00 [ 52.494477] ? get_pid_task+0xbf/0x140 [ 52.498463] ? proc_fail_nth_write+0x7d/0x180 [ 52.502948] ? proc_cwd_link+0x1b0/0x1b0 [ 52.507012] ? __cleanup_sighand+0x50/0x50 [ 52.511248] ? vfs_write+0x25f/0x500 [ 52.514960] _do_fork+0x19e/0xce0 [ 52.518454] ? fork_idle+0x280/0x280 [ 52.522166] ? vfs_write+0x104/0x500 [ 52.525869] ? SyS_write+0x15e/0x230 [ 52.529567] SyS_clone+0x37/0x50 [ 52.532918] ? sys_vfork+0x30/0x30 [ 52.536478] do_syscall_64+0x1e8/0x640 [ 52.540358] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.545273] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.550449] RIP: 0033:0x441549 executing program executing program [ 52.553623] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 52.561334] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 52.568683] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 52.576261] RBP: 000000000000c9e1 R08: 00000000ffffffff R09: 0000000100000000 [ 52.583604] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 52.590948] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 52.599465] proc_fill_super: allocate dentry failed [ 52.624831] FAULT_INJECTION: forcing a failure. [ 52.624831] name failslab, interval 1, probability 0, space 0, times 0 [ 52.625490] FAULT_INJECTION: forcing a failure. [ 52.625490] name failslab, interval 1, probability 0, space 0, times 0 [ 52.636289] CPU: 1 PID: 7224 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 52.654521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.663876] Call Trace: [ 52.666468] dump_stack+0x138/0x19c [ 52.670105] should_fail.cold+0x10f/0x159 [ 52.674263] should_failslab+0xdb/0x130 [ 52.678235] kmem_cache_alloc+0x2d7/0x780 [ 52.682387] ? find_held_lock+0x35/0x130 [ 52.686460] __d_alloc+0x2d/0x9f0 [ 52.690109] d_alloc+0x4d/0x270 [ 52.693388] d_alloc_name+0x71/0x90 [ 52.697099] ? d_alloc+0x270/0x270 [ 52.700730] ? down_write+0x38/0x90 [ 52.704374] proc_setup_self+0xc3/0x38a [ 52.709371] proc_fill_super+0x247/0x2e6 [ 52.713434] mount_ns+0xec/0x190 [ 52.716801] ? proc_get_inode+0x620/0x620 [ 52.720974] proc_mount+0x6a/0xa0 [ 52.724424] mount_fs+0x97/0x2a1 [ 52.727819] vfs_kern_mount.part.0+0x5e/0x3d0 [ 52.732315] ? rcu_read_lock_sched_held+0x110/0x130 [ 52.737330] kern_mount_data+0x56/0xc0 [ 52.741304] pid_ns_prepare_proc+0x1e/0x90 [ 52.745547] alloc_pid+0x9ef/0xc70 [ 52.749108] copy_process.part.0+0x272f/0x6a00 [ 52.753701] ? get_pid_task+0xbf/0x140 [ 52.757588] ? proc_fail_nth_write+0x7d/0x180 [ 52.762077] ? proc_cwd_link+0x1b0/0x1b0 [ 52.766144] ? __cleanup_sighand+0x50/0x50 [ 52.770379] ? vfs_write+0x25f/0x500 [ 52.774468] _do_fork+0x19e/0xce0 [ 52.777922] ? fork_idle+0x280/0x280 [ 52.781637] ? vfs_write+0x104/0x500 [ 52.785356] ? SyS_write+0x15e/0x230 [ 52.789077] SyS_clone+0x37/0x50 [ 52.792444] ? sys_vfork+0x30/0x30 [ 52.795992] do_syscall_64+0x1e8/0x640 [ 52.799872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.804988] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.810185] RIP: 0033:0x441549 [ 52.813458] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 52.821168] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 52.828443] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 52.835720] RBP: 000000000000cbcc R08: 00000000ffffffff R09: 0000000100000000 [ 52.843013] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 52.850290] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 52.857673] CPU: 0 PID: 7223 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 52.858691] proc_fill_super: can't allocate /proc/self [ 52.864807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.864813] Call Trace: [ 52.864833] dump_stack+0x138/0x19c [ 52.864847] should_fail.cold+0x10f/0x159 [ 52.864860] should_failslab+0xdb/0x130 [ 52.864869] kmem_cache_alloc+0x2d7/0x780 [ 52.864879] ? proc_alloc_inode+0x1c/0x1a0 [ 52.864887] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 52.864898] selinux_inode_alloc_security+0xb6/0x2a0 [ 52.864908] security_inode_alloc+0x94/0xd0 [ 52.864919] inode_init_always+0x552/0xaf0 [ 52.864936] alloc_inode+0x81/0x180 [ 52.864945] new_inode_pseudo+0x19/0xf0 [ 52.864954] proc_setup_self+0xdc/0x38a [ 52.864963] proc_fill_super+0x247/0x2e6 [ 52.864972] mount_ns+0xec/0x190 [ 52.864977] ? proc_get_inode+0x620/0x620 [ 52.864986] proc_mount+0x6a/0xa0 [ 52.864995] mount_fs+0x97/0x2a1 [ 52.865007] vfs_kern_mount.part.0+0x5e/0x3d0 [ 52.865016] ? rcu_read_lock_sched_held+0x110/0x130 [ 52.865028] kern_mount_data+0x56/0xc0 [ 52.865038] pid_ns_prepare_proc+0x1e/0x90 [ 52.865048] alloc_pid+0x9ef/0xc70 [ 52.865069] copy_process.part.0+0x272f/0x6a00 [ 52.865081] ? get_pid_task+0xbf/0x140 [ 52.865092] ? proc_fail_nth_write+0x7d/0x180 [ 52.985913] ? proc_cwd_link+0x1b0/0x1b0 [ 52.989982] ? __cleanup_sighand+0x50/0x50 [ 52.994215] ? vfs_write+0x25f/0x500 [ 52.997962] _do_fork+0x19e/0xce0 [ 53.001434] ? fork_idle+0x280/0x280 [ 53.005148] ? vfs_write+0x104/0x500 [ 53.008855] ? SyS_write+0x15e/0x230 [ 53.012565] SyS_clone+0x37/0x50 [ 53.015970] ? sys_vfork+0x30/0x30 [ 53.019506] do_syscall_64+0x1e8/0x640 [ 53.023393] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.028232] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.033432] RIP: 0033:0x441549 [ 53.036623] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 53.044361] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 53.051631] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 53.058894] RBP: 000000000000cbb8 R08: 00000000ffffffff R09: 0000000100000000 [ 53.066159] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 executing program [ 53.073789] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 53.082095] proc_fill_super: can't allocate /proc/self [ 53.113232] FAULT_INJECTION: forcing a failure. [ 53.113232] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 53.124642] CPU: 1 PID: 7227 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 53.131915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.135408] FAULT_INJECTION: forcing a failure. [ 53.135408] name failslab, interval 1, probability 0, space 0, times 0 [ 53.141263] Call Trace: [ 53.141280] dump_stack+0x138/0x19c [ 53.141294] should_fail.cold+0x10f/0x159 [ 53.141307] should_failslab+0xdb/0x130 [ 53.141317] kmem_cache_alloc+0x2d7/0x780 [ 53.141326] ? find_held_lock+0x35/0x130 [ 53.141340] __d_alloc+0x2d/0x9f0 [ 53.141352] d_alloc+0x4d/0x270 [ 53.141363] d_alloc_name+0x71/0x90 [ 53.141375] ? d_alloc+0x270/0x270 [ 53.189239] ? down_write+0x38/0x90 [ 53.192872] proc_setup_self+0xc3/0x38a [ 53.196850] proc_fill_super+0x247/0x2e6 [ 53.200915] mount_ns+0xec/0x190 [ 53.204282] ? proc_get_inode+0x620/0x620 [ 53.208439] proc_mount+0x6a/0xa0 [ 53.211896] mount_fs+0x97/0x2a1 [ 53.215276] vfs_kern_mount.part.0+0x5e/0x3d0 [ 53.219772] ? rcu_read_lock_sched_held+0x110/0x130 [ 53.224813] kern_mount_data+0x56/0xc0 [ 53.228706] pid_ns_prepare_proc+0x1e/0x90 [ 53.232944] alloc_pid+0x9ef/0xc70 [ 53.236501] copy_process.part.0+0x272f/0x6a00 [ 53.241093] ? get_pid_task+0xbf/0x140 [ 53.244980] ? proc_fail_nth_write+0x7d/0x180 [ 53.249478] ? proc_cwd_link+0x1b0/0x1b0 [ 53.253555] ? __cleanup_sighand+0x50/0x50 [ 53.257793] ? vfs_write+0x25f/0x500 [ 53.261519] _do_fork+0x19e/0xce0 [ 53.264972] ? fork_idle+0x280/0x280 [ 53.268686] ? vfs_write+0x104/0x500 [ 53.272401] ? SyS_write+0x15e/0x230 [ 53.276129] SyS_clone+0x37/0x50 [ 53.279494] ? sys_vfork+0x30/0x30 [ 53.283033] do_syscall_64+0x1e8/0x640 [ 53.286928] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.291773] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.297046] RIP: 0033:0x441549 [ 53.300237] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 53.307945] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 53.315214] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 53.322484] RBP: 000000000000cd8e R08: 00000000ffffffff R09: 0000000100000000 [ 53.329758] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 53.337032] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 53.344403] CPU: 0 PID: 7229 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 53.345261] proc_fill_super: can't allocate /proc/self [ 53.351778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.351782] Call Trace: [ 53.351800] dump_stack+0x138/0x19c [ 53.351814] should_fail.cold+0x10f/0x159 [ 53.351828] should_failslab+0xdb/0x130 [ 53.380710] kmem_cache_alloc+0x2d7/0x780 [ 53.384842] ? proc_alloc_inode+0x1c/0x1a0 [ 53.389057] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 53.394504] selinux_inode_alloc_security+0xb6/0x2a0 [ 53.399592] security_inode_alloc+0x94/0xd0 [ 53.403899] inode_init_always+0x552/0xaf0 [ 53.408114] alloc_inode+0x81/0x180 [ 53.411724] new_inode_pseudo+0x19/0xf0 [ 53.415681] proc_setup_self+0xdc/0x38a [ 53.419633] proc_fill_super+0x247/0x2e6 [ 53.423679] mount_ns+0xec/0x190 [ 53.427026] ? proc_get_inode+0x620/0x620 [ 53.431157] proc_mount+0x6a/0xa0 [ 53.434592] mount_fs+0x97/0x2a1 [ 53.437971] vfs_kern_mount.part.0+0x5e/0x3d0 [ 53.442473] ? rcu_read_lock_sched_held+0x110/0x130 [ 53.447473] kern_mount_data+0x56/0xc0 [ 53.451433] pid_ns_prepare_proc+0x1e/0x90 [ 53.455665] alloc_pid+0x9ef/0xc70 [ 53.459190] copy_process.part.0+0x272f/0x6a00 [ 53.463760] ? get_pid_task+0xbf/0x140 [ 53.467628] ? proc_fail_nth_write+0x7d/0x180 [ 53.472102] ? proc_cwd_link+0x1b0/0x1b0 [ 53.476156] ? __cleanup_sighand+0x50/0x50 [ 53.480373] ? vfs_write+0x25f/0x500 [ 53.484080] _do_fork+0x19e/0xce0 [ 53.487533] ? fork_idle+0x280/0x280 [ 53.491316] ? vfs_write+0x104/0x500 [ 53.495012] ? SyS_write+0x15e/0x230 [ 53.498709] SyS_clone+0x37/0x50 [ 53.511386] ? sys_vfork+0x30/0x30 [ 53.514917] do_syscall_64+0x1e8/0x640 [ 53.518836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.523966] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.529146] RIP: 0033:0x441549 [ 53.532320] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 53.540019] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 53.547289] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 53.554545] RBP: 000000000000cd8e R08: 00000000ffffffff R09: 0000000100000000 [ 53.561799] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 53.569700] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 executing program [ 53.579349] proc_fill_super: can't allocate /proc/self executing program [ 53.613866] FAULT_INJECTION: forcing a failure. [ 53.613866] name failslab, interval 1, probability 0, space 0, times 0 [ 53.625246] CPU: 1 PID: 7231 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 53.632359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.635027] FAULT_INJECTION: forcing a failure. [ 53.635027] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 53.641733] Call Trace: [ 53.657245] dump_stack+0x138/0x19c [ 53.660869] should_fail.cold+0x10f/0x159 [ 53.665022] should_failslab+0xdb/0x130 [ 53.668996] kmem_cache_alloc+0x2d7/0x780 [ 53.673149] ? _raw_spin_unlock+0x2d/0x50 [ 53.677319] ? d_alloc+0x1e9/0x270 [ 53.680868] ? proc_i_callback+0x30/0x30 [ 53.684928] proc_alloc_inode+0x1c/0x1a0 [ 53.688993] alloc_inode+0x64/0x180 [ 53.692618] new_inode_pseudo+0x19/0xf0 [ 53.696597] proc_setup_self+0xdc/0x38a [ 53.700570] proc_fill_super+0x247/0x2e6 [ 53.704649] mount_ns+0xec/0x190 [ 53.708009] ? proc_get_inode+0x620/0x620 [ 53.712150] proc_mount+0x6a/0xa0 [ 53.715597] mount_fs+0x97/0x2a1 [ 53.718961] vfs_kern_mount.part.0+0x5e/0x3d0 [ 53.723451] ? rcu_read_lock_sched_held+0x110/0x130 [ 53.728464] kern_mount_data+0x56/0xc0 [ 53.732349] pid_ns_prepare_proc+0x1e/0x90 [ 53.736580] alloc_pid+0x9ef/0xc70 [ 53.740130] copy_process.part.0+0x272f/0x6a00 [ 53.744711] ? get_pid_task+0xbf/0x140 [ 53.748596] ? proc_fail_nth_write+0x7d/0x180 [ 53.753080] ? proc_cwd_link+0x1b0/0x1b0 [ 53.757146] ? __cleanup_sighand+0x50/0x50 [ 53.761373] ? vfs_write+0x25f/0x500 [ 53.765088] _do_fork+0x19e/0xce0 [ 53.768551] ? fork_idle+0x280/0x280 [ 53.772276] ? vfs_write+0x104/0x500 [ 53.775993] ? SyS_write+0x15e/0x230 [ 53.779712] SyS_clone+0x37/0x50 [ 53.783078] ? sys_vfork+0x30/0x30 [ 53.786622] do_syscall_64+0x1e8/0x640 [ 53.790507] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.795363] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.800582] RIP: 0033:0x441549 [ 53.803767] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 53.811480] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 53.819377] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 53.826640] RBP: 000000000000cf77 R08: 00000000ffffffff R09: 0000000100000000 [ 53.833903] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 53.841272] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 53.848565] CPU: 0 PID: 7233 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 53.848774] proc_fill_super: can't allocate /proc/self [ 53.855683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.855688] Call Trace: [ 53.855704] dump_stack+0x138/0x19c [ 53.855717] should_fail.cold+0x10f/0x159 [ 53.855731] __alloc_pages_nodemask+0x1d6/0x7a0 [ 53.855743] ? __alloc_pages_slowpath+0x2930/0x2930 [ 53.855762] cache_grow_begin+0x80/0x400 [ 53.894635] kmem_cache_alloc+0x6a6/0x780 [ 53.898866] ? proc_parse_options+0x232/0x2b0 [ 53.903355] ? proc_i_callback+0x30/0x30 [ 53.907418] proc_alloc_inode+0x1c/0x1a0 [ 53.911469] alloc_inode+0x64/0x180 [ 53.915080] new_inode_pseudo+0x19/0xf0 [ 53.919036] proc_get_inode+0x20/0x620 [ 53.922926] proc_fill_super+0x1f3/0x2e6 [ 53.927005] mount_ns+0xec/0x190 [ 53.930355] ? proc_get_inode+0x620/0x620 [ 53.934487] proc_mount+0x6a/0xa0 [ 53.937924] mount_fs+0x97/0x2a1 [ 53.941296] vfs_kern_mount.part.0+0x5e/0x3d0 [ 53.945775] ? rcu_read_lock_sched_held+0x110/0x130 [ 53.950776] kern_mount_data+0x56/0xc0 [ 53.954645] pid_ns_prepare_proc+0x1e/0x90 [ 53.958863] alloc_pid+0x9ef/0xc70 [ 53.962392] copy_process.part.0+0x272f/0x6a00 [ 53.966974] ? get_pid_task+0xbf/0x140 [ 53.970861] ? proc_fail_nth_write+0x7d/0x180 [ 53.975344] ? proc_cwd_link+0x1b0/0x1b0 [ 53.979414] ? __cleanup_sighand+0x50/0x50 [ 53.983651] ? vfs_write+0x25f/0x500 [ 53.987385] _do_fork+0x19e/0xce0 [ 53.990845] ? fork_idle+0x280/0x280 [ 53.994544] ? vfs_write+0x104/0x500 [ 53.998264] ? SyS_write+0x15e/0x230 [ 54.001981] SyS_clone+0x37/0x50 [ 54.005331] ? sys_vfork+0x30/0x30 [ 54.008855] do_syscall_64+0x1e8/0x640 [ 54.012726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.017556] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.022728] RIP: 0033:0x441549 [ 54.025898] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.033585] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 54.040853] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 54.048112] RBP: 000000000000cf8c R08: 00000000ffffffff R09: 0000000100000000 [ 54.055360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 *** stack smashing detected ***: ./syz-executor316835068 terminated executing program executing program [ 54.062612] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 54.073746] FAULT_INJECTION: forcing a failure. [ 54.073746] name failslab, interval 1, probability 0, space 0, times 0 [ 54.084011] FAULT_INJECTION: forcing a failure. [ 54.084011] name failslab, interval 1, probability 0, space 0, times 0 [ 54.085221] CPU: 0 PID: 7235 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 54.103293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.112652] Call Trace: [ 54.115247] dump_stack+0x138/0x19c [ 54.118882] should_fail.cold+0x10f/0x159 [ 54.123057] should_failslab+0xdb/0x130 [ 54.127063] kmem_cache_alloc+0x2d7/0x780 [ 54.131215] ? find_held_lock+0x35/0x130 [ 54.135306] __d_alloc+0x2d/0x9f0 [ 54.138787] d_alloc+0x4d/0x270 [ 54.142071] d_alloc_name+0x71/0x90 [ 54.145694] ? d_alloc+0x270/0x270 [ 54.149251] ? down_write+0x38/0x90 [ 54.152875] proc_setup_self+0xc3/0x38a [ 54.156847] proc_fill_super+0x247/0x2e6 [ 54.160905] mount_ns+0xec/0x190 [ 54.164272] ? proc_get_inode+0x620/0x620 [ 54.168421] proc_mount+0x6a/0xa0 [ 54.171885] mount_fs+0x97/0x2a1 [ 54.175270] vfs_kern_mount.part.0+0x5e/0x3d0 [ 54.179772] ? rcu_read_lock_sched_held+0x110/0x130 [ 54.184791] kern_mount_data+0x56/0xc0 [ 54.189225] pid_ns_prepare_proc+0x1e/0x90 [ 54.193463] alloc_pid+0x9ef/0xc70 [ 54.197025] copy_process.part.0+0x272f/0x6a00 [ 54.201613] ? get_pid_task+0xbf/0x140 [ 54.205507] ? proc_fail_nth_write+0x7d/0x180 [ 54.210020] ? proc_cwd_link+0x1b0/0x1b0 [ 54.214107] ? __cleanup_sighand+0x50/0x50 [ 54.218348] ? vfs_write+0x25f/0x500 [ 54.222074] _do_fork+0x19e/0xce0 [ 54.225531] ? fork_idle+0x280/0x280 [ 54.229269] ? vfs_write+0x104/0x500 [ 54.233001] ? SyS_write+0x15e/0x230 [ 54.236733] SyS_clone+0x37/0x50 [ 54.240097] ? sys_vfork+0x30/0x30 [ 54.243643] do_syscall_64+0x1e8/0x640 [ 54.247540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.252411] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.257595] RIP: 0033:0x441549 [ 54.260777] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.268487] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 54.275783] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 54.283056] RBP: 000000000000d180 R08: 00000000ffffffff R09: 0000000100000000 [ 54.290330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 54.297604] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 54.304935] CPU: 1 PID: 7237 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 54.305323] proc_fill_super: can't allocate /proc/self [ 54.312047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.312051] Call Trace: [ 54.312070] dump_stack+0x138/0x19c [ 54.312083] should_fail.cold+0x10f/0x159 [ 54.312097] should_failslab+0xdb/0x130 [ 54.312108] __kmalloc+0x2f0/0x7a0 [ 54.345000] ? __list_lru_init+0x6b/0x660 [ 54.349135] __list_lru_init+0x6b/0x660 [ 54.353101] sget_userns+0x500/0xc30 [ 54.356811] ? set_anon_super+0x20/0x20 [ 54.360778] ? get_empty_filp.cold+0x3b/0x3b [ 54.365199] mount_ns+0x6d/0x190 [ 54.368545] ? proc_get_inode+0x620/0x620 [ 54.372681] proc_mount+0x6a/0xa0 [ 54.376118] mount_fs+0x97/0x2a1 [ 54.379471] vfs_kern_mount.part.0+0x5e/0x3d0 [ 54.383973] ? rcu_read_lock_sched_held+0x110/0x130 [ 54.389005] kern_mount_data+0x56/0xc0 [ 54.392881] pid_ns_prepare_proc+0x1e/0x90 [ 54.397120] alloc_pid+0x9ef/0xc70 [ 54.400773] copy_process.part.0+0x272f/0x6a00 [ 54.405345] ? get_pid_task+0xbf/0x140 [ 54.409216] ? proc_fail_nth_write+0x7d/0x180 [ 54.413718] ? proc_cwd_link+0x1b0/0x1b0 [ 54.417771] ? __cleanup_sighand+0x50/0x50 [ 54.422011] ? vfs_write+0x25f/0x500 [ 54.425712] _do_fork+0x19e/0xce0 [ 54.429167] ? fork_idle+0x280/0x280 [ 54.432897] ? vfs_write+0x104/0x500 [ 54.436598] ? SyS_write+0x15e/0x230 [ 54.440299] SyS_clone+0x37/0x50 [ 54.443644] ? sys_vfork+0x30/0x30 [ 54.447169] do_syscall_64+0x1e8/0x640 [ 54.451040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.455885] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.461153] RIP: 0033:0x441549 executing program [ 54.464325] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.472285] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 54.482625] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 54.489887] RBP: 000000000000d16c R08: 00000000ffffffff R09: 0000000100000000 [ 54.497173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 54.504472] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 executing program [ 54.534025] FAULT_INJECTION: forcing a failure. [ 54.534025] name failslab, interval 1, probability 0, space 0, times 0 [ 54.545534] CPU: 0 PID: 7239 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 54.552639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.554682] FAULT_INJECTION: forcing a failure. [ 54.554682] name failslab, interval 1, probability 0, space 0, times 0 [ 54.562179] Call Trace: [ 54.562197] dump_stack+0x138/0x19c [ 54.562211] should_fail.cold+0x10f/0x159 [ 54.562224] should_failslab+0xdb/0x130 [ 54.562234] __kmalloc+0x2f0/0x7a0 [ 54.562253] ? lock_downgrade+0x6e0/0x6e0 [ 54.597255] ? register_shrinker+0xbd/0x220 [ 54.601591] register_shrinker+0xbd/0x220 [ 54.605742] sget_userns+0x9bf/0xc30 [ 54.609555] ? set_anon_super+0x20/0x20 [ 54.613534] ? get_empty_filp.cold+0x3b/0x3b [ 54.617951] mount_ns+0x6d/0x190 [ 54.621413] ? proc_get_inode+0x620/0x620 [ 54.625574] proc_mount+0x6a/0xa0 [ 54.629033] mount_fs+0x97/0x2a1 [ 54.632401] vfs_kern_mount.part.0+0x5e/0x3d0 [ 54.636896] ? rcu_read_lock_sched_held+0x110/0x130 [ 54.642000] kern_mount_data+0x56/0xc0 [ 54.645999] pid_ns_prepare_proc+0x1e/0x90 [ 54.650235] alloc_pid+0x9ef/0xc70 [ 54.653824] copy_process.part.0+0x272f/0x6a00 [ 54.658508] ? get_pid_task+0xbf/0x140 [ 54.662396] ? proc_fail_nth_write+0x7d/0x180 [ 54.666902] ? proc_cwd_link+0x1b0/0x1b0 [ 54.670982] ? __cleanup_sighand+0x50/0x50 [ 54.675215] ? vfs_write+0x25f/0x500 [ 54.679029] _do_fork+0x19e/0xce0 [ 54.682483] ? fork_idle+0x280/0x280 [ 54.686282] ? vfs_write+0x104/0x500 [ 54.690001] ? SyS_write+0x15e/0x230 [ 54.693720] SyS_clone+0x37/0x50 [ 54.697084] ? sys_vfork+0x30/0x30 [ 54.700624] do_syscall_64+0x1e8/0x640 [ 54.704507] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.709360] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.714549] RIP: 0033:0x441549 [ 54.717734] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.725447] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 54.732716] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 54.739986] RBP: 000000000000d337 R08: 00000000ffffffff R09: 0000000100000000 [ 54.747255] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 54.754523] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 54.761814] CPU: 1 PID: 7241 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 54.768928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.778308] Call Trace: [ 54.780886] dump_stack+0x138/0x19c [ 54.784524] should_fail.cold+0x10f/0x159 [ 54.788735] should_failslab+0xdb/0x130 [ 54.792792] kmem_cache_alloc+0x2d7/0x780 [ 54.796930] ? trace_hardirqs_on_caller+0x400/0x590 [ 54.801968] ? timespec_trunc+0xb5/0x120 [ 54.806020] ? put_itimerspec64+0x190/0x190 [ 54.810338] __d_alloc+0x2d/0x9f0 [ 54.813907] ? set_nlink+0x115/0x160 [ 54.817607] d_make_root+0x43/0xc0 [ 54.821134] proc_fill_super+0x20c/0x2e6 [ 54.825186] mount_ns+0xec/0x190 [ 54.828534] ? proc_get_inode+0x620/0x620 [ 54.832667] proc_mount+0x6a/0xa0 [ 54.836100] mount_fs+0x97/0x2a1 [ 54.839479] vfs_kern_mount.part.0+0x5e/0x3d0 [ 54.843961] ? rcu_read_lock_sched_held+0x110/0x130 [ 54.848963] kern_mount_data+0x56/0xc0 [ 54.852840] pid_ns_prepare_proc+0x1e/0x90 [ 54.857060] alloc_pid+0x9ef/0xc70 [ 54.860592] copy_process.part.0+0x272f/0x6a00 [ 54.865160] ? get_pid_task+0xbf/0x140 [ 54.869031] ? proc_fail_nth_write+0x7d/0x180 [ 54.873513] ? proc_cwd_link+0x1b0/0x1b0 [ 54.878000] ? __cleanup_sighand+0x50/0x50 [ 54.882226] ? vfs_write+0x25f/0x500 [ 54.885930] _do_fork+0x19e/0xce0 [ 54.889380] ? fork_idle+0x280/0x280 [ 54.893239] ? vfs_write+0x104/0x500 [ 54.896943] ? SyS_write+0x15e/0x230 [ 54.900655] SyS_clone+0x37/0x50 [ 54.904004] ? sys_vfork+0x30/0x30 [ 54.907559] do_syscall_64+0x1e8/0x640 [ 54.911539] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.916374] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.921556] RIP: 0033:0x441549 [ 54.924728] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.932419] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 54.939698] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 54.946960] RBP: 000000000000d341 R08: 00000000ffffffff R09: 0000000100000000 [ 54.954214] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 54.961493] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 54.970343] proc_fill_super: allocate dentry failed [ 54.980683] ================================================================== [ 54.988161] BUG: KASAN: use-after-free in put_pid_ns+0x100/0x110 [ 54.994302] Read of size 8 at addr ffff88809977b510 by task syz-executor316/7239 [ 55.001839] [ 55.003457] CPU: 1 PID: 7239 Comm: syz-executor316 Not tainted 4.14.138 #34 [ 55.010537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.019879] Call Trace: [ 55.022493] dump_stack+0x138/0x19c [ 55.026364] ? put_pid_ns+0x100/0x110 [ 55.030162] print_address_description.cold+0x7c/0x1dc [ 55.035451] ? put_pid_ns+0x100/0x110 [ 55.039243] kasan_report.cold+0xa9/0x2af [ 55.043412] __asan_report_load8_noabort+0x14/0x20 [ 55.048345] put_pid_ns+0x100/0x110 [ 55.051955] free_nsproxy+0x103/0x200 [ 55.055744] switch_task_namespaces+0x98/0xb0 [ 55.060222] exit_task_namespaces+0x18/0x20 [ 55.064528] copy_process.part.0+0x3b59/0x6a00 [ 55.069104] ? get_pid_task+0xbf/0x140 [ 55.072997] ? proc_fail_nth_write+0x7d/0x180 [ 55.077477] ? proc_cwd_link+0x1b0/0x1b0 [ 55.081540] ? __cleanup_sighand+0x50/0x50 [ 55.085936] ? vfs_write+0x25f/0x500 [ 55.089641] _do_fork+0x19e/0xce0 [ 55.093111] ? fork_idle+0x280/0x280 [ 55.096824] ? vfs_write+0x104/0x500 [ 55.100525] ? SyS_write+0x15e/0x230 [ 55.104223] SyS_clone+0x37/0x50 [ 55.107573] ? sys_vfork+0x30/0x30 [ 55.111102] do_syscall_64+0x1e8/0x640 [ 55.114977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.119805] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.125066] RIP: 0033:0x441549 [ 55.128243] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.135952] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 55.143206] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 55.150476] RBP: 000000000000d337 R08: 00000000ffffffff R09: 0000000100000000 [ 55.157758] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 55.165011] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 55.172291] [ 55.173901] Allocated by task 7239: [ 55.177526] save_stack_trace+0x16/0x20 [ 55.181487] save_stack+0x45/0xd0 [ 55.184954] kasan_kmalloc+0xce/0xf0 [ 55.188663] kasan_slab_alloc+0xf/0x20 [ 55.192534] kmem_cache_alloc+0x12e/0x780 [ 55.196687] copy_pid_ns+0x1ae/0xa40 [ 55.200390] create_new_namespaces+0x267/0x720 [ 55.204955] copy_namespaces+0x284/0x310 [ 55.208998] copy_process.part.0+0x2603/0x6a00 [ 55.213561] _do_fork+0x19e/0xce0 [ 55.216993] SyS_clone+0x37/0x50 [ 55.220480] do_syscall_64+0x1e8/0x640 [ 55.224353] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.229681] [ 55.231295] Freed by task 7: [ 55.234321] save_stack_trace+0x16/0x20 [ 55.238279] save_stack+0x45/0xd0 [ 55.241740] kasan_slab_free+0x75/0xc0 [ 55.245632] kmem_cache_free+0x83/0x2b0 [ 55.249604] delayed_free_pidns+0x89/0xb0 [ 55.253733] rcu_process_callbacks+0x7b8/0x12b0 [ 55.258380] __do_softirq+0x244/0x9a0 [ 55.262174] [ 55.263813] The buggy address belongs to the object at ffff88809977acd8 [ 55.263813] which belongs to the cache pid_namespace of size 2264 [ 55.276738] The buggy address is located 2104 bytes inside of [ 55.276738] 2264-byte region [ffff88809977acd8, ffff88809977b5b0) [ 55.288772] The buggy address belongs to the page: [ 55.293693] page:ffffea000265de80 count:1 mapcount:0 mapping:ffff88809977a380 index:0x0 compound_mapcount: 0 [ 55.303655] flags: 0x1fffc0000008100(slab|head) [ 55.308657] raw: 01fffc0000008100 ffff88809977a380 0000000000000000 0000000100000003 [ 55.316537] raw: ffffea000264f220 ffffea0002647aa0 ffff8880a87f2640 0000000000000000 [ 55.324427] page dumped because: kasan: bad access detected [ 55.330222] [ 55.331825] Memory state around the buggy address: [ 55.336733] ffff88809977b400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 55.344094] ffff88809977b480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 55.351455] >ffff88809977b500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 55.358906] ^ [ 55.362776] ffff88809977b580: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc [ 55.370128] ffff88809977b600: fc fc fc fc fc fc fb fb fb fb fb fb fb fb fb fb [ 55.382478] ================================================================== [ 55.389835] Disabling lock debugging due to kernel taint [ 55.396380] Kernel panic - not syncing: panic_on_warn set ... [ 55.396380] [ 55.403764] CPU: 1 PID: 7239 Comm: syz-executor316 Tainted: G B 4.14.138 #34 [ 55.412058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.421413] Call Trace: [ 55.424027] dump_stack+0x138/0x19c [ 55.427640] ? put_pid_ns+0x100/0x110 [ 55.431462] panic+0x1f2/0x426 [ 55.434637] ? add_taint.cold+0x16/0x16 [ 55.438615] ? ___preempt_schedule+0x16/0x18 [ 55.443014] kasan_end_report+0x47/0x4f [ 55.447063] kasan_report.cold+0x130/0x2af [ 55.452006] __asan_report_load8_noabort+0x14/0x20 [ 55.456922] put_pid_ns+0x100/0x110 [ 55.460534] free_nsproxy+0x103/0x200 [ 55.464316] switch_task_namespaces+0x98/0xb0 [ 55.468797] exit_task_namespaces+0x18/0x20 [ 55.473103] copy_process.part.0+0x3b59/0x6a00 [ 55.477671] ? get_pid_task+0xbf/0x140 [ 55.481544] ? proc_fail_nth_write+0x7d/0x180 [ 55.486023] ? proc_cwd_link+0x1b0/0x1b0 [ 55.490078] ? __cleanup_sighand+0x50/0x50 [ 55.494309] ? vfs_write+0x25f/0x500 [ 55.498017] _do_fork+0x19e/0xce0 [ 55.501470] ? fork_idle+0x280/0x280 [ 55.505186] ? vfs_write+0x104/0x500 [ 55.508885] ? SyS_write+0x15e/0x230 [ 55.512581] SyS_clone+0x37/0x50 [ 55.515942] ? sys_vfork+0x30/0x30 [ 55.519470] do_syscall_64+0x1e8/0x640 [ 55.523352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.528187] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.533355] RIP: 0033:0x441549 [ 55.536524] RSP: 002b:00007ffc71bf82a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.544213] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441549 [ 55.551491] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 88bd14a7b286b957 [ 55.558769] RBP: 000000000000d337 R08: 00000000ffffffff R09: 0000000100000000 [ 55.566022] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402360 [ 55.573272] R13: 00000000004023f0 R14: 0000000000000000 R15: 0000000000000000 [ 55.581689] Kernel Offset: disabled [ 55.585428] Rebooting in 86400 seconds..