Warning: Permanently added '10.128.0.54' (ECDSA) to the list of known hosts. [ 40.954188] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 41.073510] audit: type=1400 audit(1575427375.724:36): avc: denied { map } for pid=6975 comm="syz-executor468" path="/root/syz-executor468868503" 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 [ 41.108835] FAULT_INJECTION: forcing a failure. [ 41.108835] name failslab, interval 1, probability 0, space 0, times 1 [ 41.120262] CPU: 0 PID: 6976 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 41.128132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.137468] Call Trace: [ 41.140045] dump_stack+0x142/0x197 [ 41.143675] should_fail.cold+0x10f/0x159 [ 41.147817] should_failslab+0xdb/0x130 [ 41.151771] __kmalloc+0x2f0/0x7a0 [ 41.155296] ? __lockdep_init_map+0x10c/0x570 [ 41.159774] ? rcu_read_lock_sched_held+0x110/0x130 [ 41.164770] ? __kfifo_alloc+0xe5/0x240 [ 41.168723] __kfifo_alloc+0xe5/0x240 [ 41.172527] ? __mutex_init+0xd3/0x110 [ 41.176401] gsm_dlci_alloc+0xd9/0x460 [ 41.180271] gsm_activate_mux+0x237/0x2f0 [ 41.184399] gsmld_open+0x51d/0x790 [ 41.188010] ? gsmld_compat_ioctl+0x40/0x40 [ 41.192314] tty_ldisc_open.isra.0+0x73/0xb0 [ 41.196705] tty_set_ldisc+0x29a/0x610 [ 41.200593] tty_ioctl+0x95b/0x1320 [ 41.204221] ? get_pid_task+0xbf/0x140 [ 41.208105] ? tty_vhangup+0x30/0x30 [ 41.211907] ? __might_sleep+0x93/0xb0 [ 41.215792] ? tty_vhangup+0x30/0x30 [ 41.219495] do_vfs_ioctl+0x7ae/0x1060 [ 41.223379] ? selinux_file_mprotect+0x5d0/0x5d0 [ 41.228127] ? ioctl_preallocate+0x1c0/0x1c0 [ 41.232531] ? vfs_write+0x104/0x500 [ 41.236244] ? security_file_ioctl+0x7d/0xb0 [ 41.240632] ? security_file_ioctl+0x89/0xb0 [ 41.245041] SyS_ioctl+0x8f/0xc0 [ 41.248392] ? do_vfs_ioctl+0x1060/0x1060 [ 41.252526] do_syscall_64+0x1e8/0x640 [ 41.256395] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.261228] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 41.266412] RIP: 0033:0x441149 executing program [ 41.269581] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.277270] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 41.284528] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 41.291777] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 41.299027] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 41.306296] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 41.328170] FAULT_INJECTION: forcing a failure. [ 41.328170] name failslab, interval 1, probability 0, space 0, times 0 [ 41.339476] CPU: 1 PID: 6979 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 41.347343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.356691] Call Trace: [ 41.359274] dump_stack+0x142/0x197 [ 41.362893] should_fail.cold+0x10f/0x159 [ 41.367062] should_failslab+0xdb/0x130 [ 41.371024] __kmalloc+0x2f0/0x7a0 [ 41.374560] ? __lockdep_init_map+0x10c/0x570 [ 41.379043] ? rcu_read_lock_sched_held+0x110/0x130 [ 41.384045] ? __kfifo_alloc+0xe5/0x240 [ 41.388003] __kfifo_alloc+0xe5/0x240 [ 41.391786] ? __mutex_init+0xd3/0x110 [ 41.395656] gsm_dlci_alloc+0xd9/0x460 [ 41.399526] gsm_activate_mux+0x237/0x2f0 [ 41.403656] gsmld_open+0x51d/0x790 [ 41.407264] ? gsmld_compat_ioctl+0x40/0x40 [ 41.411566] tty_ldisc_open.isra.0+0x73/0xb0 [ 41.415958] tty_set_ldisc+0x29a/0x610 [ 41.419839] tty_ioctl+0x95b/0x1320 [ 41.423448] ? get_pid_task+0xbf/0x140 [ 41.427316] ? tty_vhangup+0x30/0x30 [ 41.431028] ? __might_sleep+0x93/0xb0 [ 41.434900] ? tty_vhangup+0x30/0x30 [ 41.438613] do_vfs_ioctl+0x7ae/0x1060 [ 41.442486] ? selinux_file_mprotect+0x5d0/0x5d0 [ 41.447244] ? ioctl_preallocate+0x1c0/0x1c0 [ 41.451638] ? vfs_write+0x104/0x500 [ 41.455341] ? security_file_ioctl+0x7d/0xb0 [ 41.459737] ? security_file_ioctl+0x89/0xb0 [ 41.464127] SyS_ioctl+0x8f/0xc0 [ 41.467501] ? do_vfs_ioctl+0x1060/0x1060 [ 41.471679] do_syscall_64+0x1e8/0x640 [ 41.475555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.480417] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 41.485599] RIP: 0033:0x441149 [ 41.488784] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.496472] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 41.503737] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 41.510991] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 41.518262] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 41.525536] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 41.547182] FAULT_INJECTION: forcing a failure. [ 41.547182] name failslab, interval 1, probability 0, space 0, times 0 [ 41.558475] CPU: 0 PID: 6982 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 41.566342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.575954] Call Trace: [ 41.578529] dump_stack+0x142/0x197 [ 41.582144] should_fail.cold+0x10f/0x159 [ 41.586278] should_failslab+0xdb/0x130 [ 41.590232] __kmalloc+0x2f0/0x7a0 [ 41.593757] ? __lockdep_init_map+0x10c/0x570 [ 41.598237] ? rcu_read_lock_sched_held+0x110/0x130 [ 41.603246] ? __kfifo_alloc+0xe5/0x240 [ 41.607318] __kfifo_alloc+0xe5/0x240 [ 41.611169] ? __mutex_init+0xd3/0x110 [ 41.615058] gsm_dlci_alloc+0xd9/0x460 [ 41.618931] gsm_activate_mux+0x237/0x2f0 [ 41.623072] gsmld_open+0x51d/0x790 [ 41.626685] ? gsmld_compat_ioctl+0x40/0x40 [ 41.630991] tty_ldisc_open.isra.0+0x73/0xb0 [ 41.635381] tty_set_ldisc+0x29a/0x610 [ 41.639319] tty_ioctl+0x95b/0x1320 [ 41.642932] ? get_pid_task+0xbf/0x140 [ 41.646814] ? tty_vhangup+0x30/0x30 [ 41.650517] ? __might_sleep+0x93/0xb0 [ 41.654438] ? tty_vhangup+0x30/0x30 [ 41.658140] do_vfs_ioctl+0x7ae/0x1060 [ 41.662060] ? selinux_file_mprotect+0x5d0/0x5d0 [ 41.666802] ? ioctl_preallocate+0x1c0/0x1c0 [ 41.671195] ? vfs_write+0x104/0x500 [ 41.674892] ? security_file_ioctl+0x7d/0xb0 [ 41.679284] ? security_file_ioctl+0x89/0xb0 [ 41.683680] SyS_ioctl+0x8f/0xc0 [ 41.687028] ? do_vfs_ioctl+0x1060/0x1060 [ 41.691166] do_syscall_64+0x1e8/0x640 [ 41.695038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.699959] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 41.705144] RIP: 0033:0x441149 [ 41.708327] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.716011] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 executing program [ 41.723261] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 41.730510] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 41.737758] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 41.745007] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 41.765784] FAULT_INJECTION: forcing a failure. [ 41.765784] name failslab, interval 1, probability 0, space 0, times 0 [ 41.777192] CPU: 1 PID: 6985 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 41.785060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.794459] Call Trace: [ 41.797042] dump_stack+0x142/0x197 [ 41.800655] should_fail.cold+0x10f/0x159 [ 41.804788] should_failslab+0xdb/0x130 [ 41.808742] __kmalloc+0x2f0/0x7a0 [ 41.812264] ? __lockdep_init_map+0x10c/0x570 [ 41.816742] ? rcu_read_lock_sched_held+0x110/0x130 [ 41.821740] ? __kfifo_alloc+0xe5/0x240 [ 41.825691] __kfifo_alloc+0xe5/0x240 [ 41.829473] ? __mutex_init+0xd3/0x110 [ 41.833343] gsm_dlci_alloc+0xd9/0x460 [ 41.837207] gsm_activate_mux+0x237/0x2f0 [ 41.841337] gsmld_open+0x51d/0x790 [ 41.844940] ? gsmld_compat_ioctl+0x40/0x40 [ 41.849241] tty_ldisc_open.isra.0+0x73/0xb0 [ 41.853629] tty_set_ldisc+0x29a/0x610 [ 41.857556] tty_ioctl+0x95b/0x1320 [ 41.861164] ? get_pid_task+0xbf/0x140 [ 41.865038] ? tty_vhangup+0x30/0x30 [ 41.868804] ? __might_sleep+0x93/0xb0 [ 41.872674] ? tty_vhangup+0x30/0x30 [ 41.876371] do_vfs_ioctl+0x7ae/0x1060 [ 41.880238] ? selinux_file_mprotect+0x5d0/0x5d0 [ 41.884987] ? ioctl_preallocate+0x1c0/0x1c0 [ 41.889415] ? vfs_write+0x104/0x500 [ 41.893118] ? security_file_ioctl+0x7d/0xb0 [ 41.897518] ? security_file_ioctl+0x89/0xb0 [ 41.901927] SyS_ioctl+0x8f/0xc0 [ 41.905283] ? do_vfs_ioctl+0x1060/0x1060 [ 41.909430] do_syscall_64+0x1e8/0x640 [ 41.913318] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.918245] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 41.923423] RIP: 0033:0x441149 executing program [ 41.926603] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.934297] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 41.941554] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 41.948814] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 41.956073] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 41.963334] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 41.984404] FAULT_INJECTION: forcing a failure. [ 41.984404] name failslab, interval 1, probability 0, space 0, times 0 [ 41.995686] CPU: 0 PID: 6988 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 42.003561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.013732] Call Trace: [ 42.016315] dump_stack+0x142/0x197 [ 42.019927] should_fail.cold+0x10f/0x159 [ 42.024076] should_failslab+0xdb/0x130 [ 42.028210] __kmalloc+0x2f0/0x7a0 [ 42.031734] ? __lockdep_init_map+0x10c/0x570 [ 42.036215] ? rcu_read_lock_sched_held+0x110/0x130 [ 42.041258] ? __kfifo_alloc+0xe5/0x240 [ 42.045226] __kfifo_alloc+0xe5/0x240 [ 42.049013] ? __mutex_init+0xd3/0x110 [ 42.052899] gsm_dlci_alloc+0xd9/0x460 [ 42.056779] gsm_activate_mux+0x237/0x2f0 [ 42.060910] gsmld_open+0x51d/0x790 [ 42.064520] ? gsmld_compat_ioctl+0x40/0x40 [ 42.068914] tty_ldisc_open.isra.0+0x73/0xb0 [ 42.073308] tty_set_ldisc+0x29a/0x610 [ 42.077180] tty_ioctl+0x95b/0x1320 [ 42.080788] ? get_pid_task+0xbf/0x140 [ 42.084668] ? tty_vhangup+0x30/0x30 [ 42.088368] ? __might_sleep+0x93/0xb0 [ 42.092236] ? tty_vhangup+0x30/0x30 [ 42.095943] do_vfs_ioctl+0x7ae/0x1060 [ 42.099816] ? selinux_file_mprotect+0x5d0/0x5d0 [ 42.104550] ? ioctl_preallocate+0x1c0/0x1c0 [ 42.108940] ? vfs_write+0x104/0x500 [ 42.112635] ? security_file_ioctl+0x7d/0xb0 [ 42.117020] ? security_file_ioctl+0x89/0xb0 [ 42.121421] SyS_ioctl+0x8f/0xc0 [ 42.124767] ? do_vfs_ioctl+0x1060/0x1060 [ 42.128914] do_syscall_64+0x1e8/0x640 [ 42.132779] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.137608] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 42.142776] RIP: 0033:0x441149 [ 42.145943] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.153627] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 42.160874] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 42.168126] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 42.175374] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 42.182624] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 42.202857] FAULT_INJECTION: forcing a failure. [ 42.202857] name failslab, interval 1, probability 0, space 0, times 0 [ 42.214110] CPU: 0 PID: 6991 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 42.221992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.231322] Call Trace: [ 42.233895] dump_stack+0x142/0x197 [ 42.237515] should_fail.cold+0x10f/0x159 [ 42.241644] should_failslab+0xdb/0x130 [ 42.245595] kmem_cache_alloc_trace+0x4b/0x790 [ 42.250160] ? lock_downgrade+0x740/0x740 [ 42.254290] ? __lockdep_init_map+0x10c/0x570 [ 42.258938] gsm_dlci_alloc+0x4b/0x460 [ 42.262807] gsm_activate_mux+0x237/0x2f0 [ 42.266934] gsmld_open+0x51d/0x790 [ 42.270538] ? gsmld_compat_ioctl+0x40/0x40 [ 42.274838] tty_ldisc_open.isra.0+0x73/0xb0 [ 42.279239] tty_set_ldisc+0x29a/0x610 [ 42.283108] tty_ioctl+0x95b/0x1320 [ 42.286714] ? get_pid_task+0xbf/0x140 [ 42.290591] ? tty_vhangup+0x30/0x30 [ 42.294287] ? __might_sleep+0x93/0xb0 [ 42.298153] ? tty_vhangup+0x30/0x30 [ 42.301861] do_vfs_ioctl+0x7ae/0x1060 [ 42.305743] ? selinux_file_mprotect+0x5d0/0x5d0 [ 42.310477] ? ioctl_preallocate+0x1c0/0x1c0 [ 42.314862] ? vfs_write+0x104/0x500 [ 42.318560] ? security_file_ioctl+0x7d/0xb0 [ 42.322944] ? security_file_ioctl+0x89/0xb0 [ 42.327336] SyS_ioctl+0x8f/0xc0 [ 42.330685] ? do_vfs_ioctl+0x1060/0x1060 [ 42.334831] do_syscall_64+0x1e8/0x640 [ 42.338699] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.343526] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 42.348704] RIP: 0033:0x441149 [ 42.351872] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.359561] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 42.366818] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 42.374073] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 42.381320] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 42.388575] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 42.408697] FAULT_INJECTION: forcing a failure. [ 42.408697] name failslab, interval 1, probability 0, space 0, times 0 [ 42.420324] CPU: 0 PID: 6994 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 42.428202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.437627] Call Trace: [ 42.440198] dump_stack+0x142/0x197 [ 42.443809] should_fail.cold+0x10f/0x159 [ 42.447937] should_failslab+0xdb/0x130 [ 42.451902] kmem_cache_alloc_trace+0x4b/0x790 [ 42.456463] ? lock_downgrade+0x740/0x740 [ 42.460588] ? __lockdep_init_map+0x10c/0x570 [ 42.465060] gsm_dlci_alloc+0x4b/0x460 [ 42.468922] gsm_activate_mux+0x237/0x2f0 [ 42.473049] gsmld_open+0x51d/0x790 [ 42.476654] ? gsmld_compat_ioctl+0x40/0x40 [ 42.480961] tty_ldisc_open.isra.0+0x73/0xb0 [ 42.485349] tty_set_ldisc+0x29a/0x610 [ 42.489213] tty_ioctl+0x95b/0x1320 [ 42.492818] ? get_pid_task+0xbf/0x140 [ 42.496694] ? tty_vhangup+0x30/0x30 [ 42.500392] ? __might_sleep+0x93/0xb0 [ 42.504259] ? tty_vhangup+0x30/0x30 [ 42.507970] do_vfs_ioctl+0x7ae/0x1060 [ 42.511851] ? selinux_file_mprotect+0x5d0/0x5d0 [ 42.516607] ? ioctl_preallocate+0x1c0/0x1c0 [ 42.521000] ? vfs_write+0x104/0x500 [ 42.524697] ? security_file_ioctl+0x7d/0xb0 [ 42.529124] ? security_file_ioctl+0x89/0xb0 [ 42.533512] SyS_ioctl+0x8f/0xc0 [ 42.536857] ? do_vfs_ioctl+0x1060/0x1060 [ 42.540984] do_syscall_64+0x1e8/0x640 [ 42.544848] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.549683] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 42.554851] RIP: 0033:0x441149 [ 42.558017] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.565706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 42.572967] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 executing program [ 42.580216] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 42.587464] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 42.594721] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 42.615356] FAULT_INJECTION: forcing a failure. [ 42.615356] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 42.627170] CPU: 1 PID: 6997 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 42.635149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.644493] Call Trace: [ 42.647066] dump_stack+0x142/0x197 [ 42.650672] should_fail.cold+0x10f/0x159 [ 42.655811] __alloc_pages_nodemask+0x1d6/0x7a0 [ 42.660459] ? __alloc_pages_slowpath+0x2930/0x2930 [ 42.665467] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 42.670552] ? save_trace+0x290/0x290 [ 42.674340] cache_grow_begin+0x80/0x400 [ 42.678384] kmem_cache_alloc_trace+0x6b2/0x790 [ 42.683052] gsm_dlci_alloc+0x4b/0x460 [ 42.686931] gsm_activate_mux+0x237/0x2f0 [ 42.691079] gsmld_open+0x51d/0x790 [ 42.694684] ? gsmld_compat_ioctl+0x40/0x40 [ 42.698986] tty_ldisc_open.isra.0+0x73/0xb0 [ 42.703439] tty_set_ldisc+0x29a/0x610 [ 42.707316] tty_ioctl+0x95b/0x1320 [ 42.710936] ? get_pid_task+0xbf/0x140 [ 42.714809] ? tty_vhangup+0x30/0x30 [ 42.718516] ? __might_sleep+0x93/0xb0 [ 42.722398] ? tty_vhangup+0x30/0x30 [ 42.726094] do_vfs_ioctl+0x7ae/0x1060 [ 42.729965] ? selinux_file_mprotect+0x5d0/0x5d0 [ 42.734703] ? ioctl_preallocate+0x1c0/0x1c0 [ 42.739125] ? vfs_write+0x104/0x500 [ 42.742827] ? security_file_ioctl+0x7d/0xb0 [ 42.747251] ? security_file_ioctl+0x89/0xb0 [ 42.751645] SyS_ioctl+0x8f/0xc0 [ 42.755108] ? do_vfs_ioctl+0x1060/0x1060 [ 42.759238] do_syscall_64+0x1e8/0x640 [ 42.763103] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.767968] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 42.773138] RIP: 0033:0x441149 [ 42.776307] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.783999] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 42.791340] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 42.798596] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 42.805848] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 42.813099] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 executing program [ 43.165387] FAULT_INJECTION: forcing a failure. [ 43.165387] name failslab, interval 1, probability 0, space 0, times 0 [ 43.179193] CPU: 0 PID: 7010 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 43.187092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.196441] Call Trace: [ 43.199008] dump_stack+0x142/0x197 [ 43.202615] should_fail.cold+0x10f/0x159 [ 43.206743] should_failslab+0xdb/0x130 [ 43.210797] __kmalloc+0x2f0/0x7a0 [ 43.214318] ? __lockdep_init_map+0x10c/0x570 [ 43.218886] ? rcu_read_lock_sched_held+0x110/0x130 [ 43.223892] ? __kfifo_alloc+0xe5/0x240 [ 43.227848] __kfifo_alloc+0xe5/0x240 [ 43.232514] ? __mutex_init+0xd3/0x110 [ 43.236383] gsm_dlci_alloc+0xd9/0x460 [ 43.240250] gsm_activate_mux+0x237/0x2f0 [ 43.244379] gsmld_open+0x51d/0x790 [ 43.247985] ? gsmld_compat_ioctl+0x40/0x40 [ 43.252285] tty_ldisc_open.isra.0+0x73/0xb0 [ 43.256674] tty_set_ldisc+0x29a/0x610 [ 43.260649] tty_ioctl+0x95b/0x1320 [ 43.264256] ? get_pid_task+0xbf/0x140 [ 43.268126] ? tty_vhangup+0x30/0x30 [ 43.271825] ? __might_sleep+0x93/0xb0 [ 43.275836] ? tty_vhangup+0x30/0x30 [ 43.279533] do_vfs_ioctl+0x7ae/0x1060 [ 43.283405] ? selinux_file_mprotect+0x5d0/0x5d0 [ 43.288141] ? ioctl_preallocate+0x1c0/0x1c0 [ 43.292541] ? vfs_write+0x104/0x500 [ 43.296282] ? security_file_ioctl+0x7d/0xb0 [ 43.300669] ? security_file_ioctl+0x89/0xb0 [ 43.305060] SyS_ioctl+0x8f/0xc0 [ 43.308403] ? do_vfs_ioctl+0x1060/0x1060 [ 43.312534] do_syscall_64+0x1e8/0x640 [ 43.316400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.321229] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 43.326393] RIP: 0033:0x441149 [ 43.329559] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.337393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 43.344772] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 43.352080] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 43.359333] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 43.366583] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 43.387722] FAULT_INJECTION: forcing a failure. [ 43.387722] name failslab, interval 1, probability 0, space 0, times 0 [ 43.398974] CPU: 1 PID: 7013 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 43.406843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.416180] Call Trace: [ 43.418768] dump_stack+0x142/0x197 [ 43.422380] should_fail.cold+0x10f/0x159 [ 43.426513] should_failslab+0xdb/0x130 [ 43.430584] __kmalloc+0x2f0/0x7a0 [ 43.434118] ? __lockdep_init_map+0x10c/0x570 [ 43.438595] ? rcu_read_lock_sched_held+0x110/0x130 [ 43.443601] ? __kfifo_alloc+0xe5/0x240 [ 43.447557] __kfifo_alloc+0xe5/0x240 [ 43.451389] ? __mutex_init+0xd3/0x110 [ 43.455277] gsm_dlci_alloc+0xd9/0x460 [ 43.459149] gsm_activate_mux+0x237/0x2f0 [ 43.463282] gsmld_open+0x51d/0x790 [ 43.466893] ? gsmld_compat_ioctl+0x40/0x40 [ 43.471204] tty_ldisc_open.isra.0+0x73/0xb0 [ 43.475616] tty_set_ldisc+0x29a/0x610 [ 43.479491] tty_ioctl+0x95b/0x1320 [ 43.483102] ? get_pid_task+0xbf/0x140 [ 43.486970] ? tty_vhangup+0x30/0x30 [ 43.490671] ? __might_sleep+0x93/0xb0 [ 43.494543] ? tty_vhangup+0x30/0x30 [ 43.498439] do_vfs_ioctl+0x7ae/0x1060 [ 43.502309] ? selinux_file_mprotect+0x5d0/0x5d0 [ 43.507118] ? ioctl_preallocate+0x1c0/0x1c0 [ 43.511507] ? vfs_write+0x104/0x500 [ 43.515205] ? security_file_ioctl+0x7d/0xb0 [ 43.519645] ? security_file_ioctl+0x89/0xb0 [ 43.524041] SyS_ioctl+0x8f/0xc0 [ 43.527387] ? do_vfs_ioctl+0x1060/0x1060 [ 43.531521] do_syscall_64+0x1e8/0x640 [ 43.535390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.540333] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 43.545523] RIP: 0033:0x441149 [ 43.548696] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.556388] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 executing program [ 43.563637] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 43.570899] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 43.578202] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 43.585452] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 43.605825] FAULT_INJECTION: forcing a failure. [ 43.605825] name failslab, interval 1, probability 0, space 0, times 0 [ 43.617096] CPU: 0 PID: 7016 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 43.625002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.634381] Call Trace: [ 43.636954] dump_stack+0x142/0x197 [ 43.640589] should_fail.cold+0x10f/0x159 [ 43.644743] should_failslab+0xdb/0x130 [ 43.648699] __kmalloc+0x2f0/0x7a0 [ 43.652224] ? __lockdep_init_map+0x10c/0x570 [ 43.656708] ? rcu_read_lock_sched_held+0x110/0x130 [ 43.661713] ? __kfifo_alloc+0xe5/0x240 [ 43.665813] __kfifo_alloc+0xe5/0x240 [ 43.669596] ? __mutex_init+0xd3/0x110 [ 43.673463] gsm_dlci_alloc+0xd9/0x460 [ 43.677332] gsm_activate_mux+0x237/0x2f0 [ 43.681459] gsmld_open+0x51d/0x790 [ 43.685192] ? gsmld_compat_ioctl+0x40/0x40 [ 43.689612] tty_ldisc_open.isra.0+0x73/0xb0 [ 43.694004] tty_set_ldisc+0x29a/0x610 [ 43.697875] tty_ioctl+0x95b/0x1320 [ 43.701490] ? get_pid_task+0xbf/0x140 [ 43.705364] ? tty_vhangup+0x30/0x30 [ 43.709064] ? __might_sleep+0x93/0xb0 [ 43.712936] ? tty_vhangup+0x30/0x30 [ 43.716633] do_vfs_ioctl+0x7ae/0x1060 [ 43.720502] ? selinux_file_mprotect+0x5d0/0x5d0 [ 43.725236] ? ioctl_preallocate+0x1c0/0x1c0 [ 43.729624] ? vfs_write+0x104/0x500 [ 43.733316] ? security_file_ioctl+0x7d/0xb0 [ 43.737699] ? security_file_ioctl+0x89/0xb0 [ 43.742128] SyS_ioctl+0x8f/0xc0 [ 43.745472] ? do_vfs_ioctl+0x1060/0x1060 [ 43.749599] do_syscall_64+0x1e8/0x640 [ 43.753466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.758293] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 43.763459] RIP: 0033:0x441149 executing program [ 43.766667] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.774355] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 43.781614] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 43.788966] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 43.796225] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 43.803481] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 43.823408] FAULT_INJECTION: forcing a failure. [ 43.823408] name failslab, interval 1, probability 0, space 0, times 0 [ 43.834774] CPU: 1 PID: 7019 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 43.846541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.855878] Call Trace: [ 43.858480] dump_stack+0x142/0x197 [ 43.862095] should_fail.cold+0x10f/0x159 [ 43.866223] should_failslab+0xdb/0x130 [ 43.870173] __kmalloc+0x2f0/0x7a0 [ 43.873694] ? __lockdep_init_map+0x10c/0x570 [ 43.878176] ? rcu_read_lock_sched_held+0x110/0x130 [ 43.883173] ? __kfifo_alloc+0xe5/0x240 [ 43.887163] __kfifo_alloc+0xe5/0x240 [ 43.890939] ? __mutex_init+0xd3/0x110 [ 43.894820] gsm_dlci_alloc+0xd9/0x460 [ 43.898694] gsm_activate_mux+0x237/0x2f0 [ 43.902820] gsmld_open+0x51d/0x790 [ 43.906426] ? gsmld_compat_ioctl+0x40/0x40 [ 43.910746] tty_ldisc_open.isra.0+0x73/0xb0 [ 43.915132] tty_set_ldisc+0x29a/0x610 [ 43.919003] tty_ioctl+0x95b/0x1320 [ 43.922609] ? get_pid_task+0xbf/0x140 [ 43.926478] ? tty_vhangup+0x30/0x30 [ 43.930177] ? __might_sleep+0x93/0xb0 [ 43.934046] ? tty_vhangup+0x30/0x30 [ 43.937742] do_vfs_ioctl+0x7ae/0x1060 [ 43.941610] ? selinux_file_mprotect+0x5d0/0x5d0 [ 43.946360] ? ioctl_preallocate+0x1c0/0x1c0 [ 43.950760] ? vfs_write+0x104/0x500 [ 43.954464] ? security_file_ioctl+0x7d/0xb0 [ 43.958848] ? security_file_ioctl+0x89/0xb0 [ 43.963237] SyS_ioctl+0x8f/0xc0 [ 43.966580] ? do_vfs_ioctl+0x1060/0x1060 [ 43.970728] do_syscall_64+0x1e8/0x640 [ 43.974600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.979422] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 43.984587] RIP: 0033:0x441149 [ 43.987760] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.995446] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 44.002694] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.009944] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 44.017206] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 44.024598] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 44.044020] FAULT_INJECTION: forcing a failure. [ 44.044020] name failslab, interval 1, probability 0, space 0, times 0 [ 44.055290] CPU: 0 PID: 7022 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 44.063156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.072494] Call Trace: [ 44.075063] dump_stack+0x142/0x197 [ 44.078673] should_fail.cold+0x10f/0x159 [ 44.082808] should_failslab+0xdb/0x130 [ 44.086760] __kmalloc+0x2f0/0x7a0 [ 44.090282] ? __lockdep_init_map+0x10c/0x570 [ 44.094770] ? rcu_read_lock_sched_held+0x110/0x130 [ 44.099763] ? __kfifo_alloc+0xe5/0x240 [ 44.103754] __kfifo_alloc+0xe5/0x240 [ 44.107533] ? __mutex_init+0xd3/0x110 [ 44.111399] gsm_dlci_alloc+0xd9/0x460 [ 44.115273] gsm_activate_mux+0x237/0x2f0 [ 44.119406] gsmld_open+0x51d/0x790 [ 44.123009] ? gsmld_compat_ioctl+0x40/0x40 [ 44.127309] tty_ldisc_open.isra.0+0x73/0xb0 [ 44.131702] tty_set_ldisc+0x29a/0x610 [ 44.135570] tty_ioctl+0x95b/0x1320 [ 44.139189] ? get_pid_task+0xbf/0x140 [ 44.143054] ? tty_vhangup+0x30/0x30 [ 44.146750] ? __might_sleep+0x93/0xb0 [ 44.150618] ? tty_vhangup+0x30/0x30 [ 44.154312] do_vfs_ioctl+0x7ae/0x1060 [ 44.158177] ? selinux_file_mprotect+0x5d0/0x5d0 [ 44.162914] ? ioctl_preallocate+0x1c0/0x1c0 [ 44.168006] ? vfs_write+0x104/0x500 [ 44.171703] ? security_file_ioctl+0x7d/0xb0 [ 44.176090] ? security_file_ioctl+0x89/0xb0 [ 44.180493] SyS_ioctl+0x8f/0xc0 [ 44.183836] ? do_vfs_ioctl+0x1060/0x1060 [ 44.187980] do_syscall_64+0x1e8/0x640 [ 44.191857] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.196682] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.201868] RIP: 0033:0x441149 [ 44.205034] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.212718] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 executing program [ 44.219969] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.227214] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 44.234471] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 44.241793] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 44.261665] FAULT_INJECTION: forcing a failure. [ 44.261665] name failslab, interval 1, probability 0, space 0, times 0 [ 44.272937] CPU: 1 PID: 7025 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 44.280950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.290333] Call Trace: [ 44.292903] dump_stack+0x142/0x197 [ 44.296516] should_fail.cold+0x10f/0x159 [ 44.300709] should_failslab+0xdb/0x130 [ 44.304670] __kmalloc+0x2f0/0x7a0 [ 44.308192] ? __lockdep_init_map+0x10c/0x570 [ 44.312672] ? rcu_read_lock_sched_held+0x110/0x130 [ 44.317669] ? __kfifo_alloc+0xe5/0x240 [ 44.321627] __kfifo_alloc+0xe5/0x240 [ 44.325414] ? __mutex_init+0xd3/0x110 [ 44.329302] gsm_dlci_alloc+0xd9/0x460 [ 44.333181] gsm_activate_mux+0x237/0x2f0 [ 44.337321] gsmld_open+0x51d/0x790 [ 44.340926] ? gsmld_compat_ioctl+0x40/0x40 [ 44.345225] tty_ldisc_open.isra.0+0x73/0xb0 [ 44.349612] tty_set_ldisc+0x29a/0x610 [ 44.353485] tty_ioctl+0x95b/0x1320 [ 44.357093] ? get_pid_task+0xbf/0x140 [ 44.360960] ? tty_vhangup+0x30/0x30 [ 44.364657] ? __might_sleep+0x93/0xb0 [ 44.368523] ? tty_vhangup+0x30/0x30 [ 44.372218] do_vfs_ioctl+0x7ae/0x1060 [ 44.376084] ? selinux_file_mprotect+0x5d0/0x5d0 [ 44.380818] ? ioctl_preallocate+0x1c0/0x1c0 [ 44.385211] ? vfs_write+0x104/0x500 [ 44.388909] ? security_file_ioctl+0x7d/0xb0 [ 44.393296] ? security_file_ioctl+0x89/0xb0 [ 44.397684] SyS_ioctl+0x8f/0xc0 [ 44.401028] ? do_vfs_ioctl+0x1060/0x1060 [ 44.405169] do_syscall_64+0x1e8/0x640 [ 44.409037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.413865] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.419033] RIP: 0033:0x441149 executing program [ 44.422203] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.429903] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 44.437163] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.444410] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 44.451670] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 44.458927] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 44.479368] FAULT_INJECTION: forcing a failure. [ 44.479368] name failslab, interval 1, probability 0, space 0, times 0 [ 44.490757] CPU: 0 PID: 7028 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 44.498628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.507969] Call Trace: [ 44.510543] dump_stack+0x142/0x197 [ 44.514158] should_fail.cold+0x10f/0x159 [ 44.518306] should_failslab+0xdb/0x130 [ 44.522271] __kmalloc+0x2f0/0x7a0 [ 44.525806] ? __lockdep_init_map+0x10c/0x570 [ 44.530289] ? rcu_read_lock_sched_held+0x110/0x130 [ 44.535290] ? __kfifo_alloc+0xe5/0x240 [ 44.539261] __kfifo_alloc+0xe5/0x240 [ 44.543044] ? __mutex_init+0xd3/0x110 [ 44.546912] gsm_dlci_alloc+0xd9/0x460 [ 44.550793] gsm_activate_mux+0x237/0x2f0 [ 44.554923] gsmld_open+0x51d/0x790 [ 44.558528] ? gsmld_compat_ioctl+0x40/0x40 [ 44.562826] tty_ldisc_open.isra.0+0x73/0xb0 [ 44.567220] tty_set_ldisc+0x29a/0x610 [ 44.571092] tty_ioctl+0x95b/0x1320 [ 44.574699] ? get_pid_task+0xbf/0x140 [ 44.578568] ? tty_vhangup+0x30/0x30 [ 44.582313] ? __might_sleep+0x93/0xb0 [ 44.586199] ? tty_vhangup+0x30/0x30 [ 44.589903] do_vfs_ioctl+0x7ae/0x1060 [ 44.593790] ? selinux_file_mprotect+0x5d0/0x5d0 [ 44.598552] ? ioctl_preallocate+0x1c0/0x1c0 [ 44.602945] ? vfs_write+0x104/0x500 [ 44.606645] ? security_file_ioctl+0x7d/0xb0 [ 44.611033] ? security_file_ioctl+0x89/0xb0 [ 44.615438] SyS_ioctl+0x8f/0xc0 [ 44.618799] ? do_vfs_ioctl+0x1060/0x1060 [ 44.622930] do_syscall_64+0x1e8/0x640 [ 44.626798] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.631621] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.636796] RIP: 0033:0x441149 [ 44.639963] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.647650] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 44.654999] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.662247] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 44.669503] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 44.676760] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 44.696984] FAULT_INJECTION: forcing a failure. [ 44.696984] name failslab, interval 1, probability 0, space 0, times 0 [ 44.708277] CPU: 0 PID: 7031 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 44.716229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.725562] Call Trace: [ 44.728134] dump_stack+0x142/0x197 [ 44.731747] should_fail.cold+0x10f/0x159 [ 44.735882] should_failslab+0xdb/0x130 [ 44.739877] __kmalloc+0x2f0/0x7a0 [ 44.743399] ? __lockdep_init_map+0x10c/0x570 [ 44.747871] ? rcu_read_lock_sched_held+0x110/0x130 [ 44.752867] ? __kfifo_alloc+0xe5/0x240 [ 44.756818] __kfifo_alloc+0xe5/0x240 [ 44.760738] ? __mutex_init+0xd3/0x110 [ 44.764607] gsm_dlci_alloc+0xd9/0x460 [ 44.768474] gsm_activate_mux+0x237/0x2f0 [ 44.772611] gsmld_open+0x51d/0x790 [ 44.776217] ? gsmld_compat_ioctl+0x40/0x40 [ 44.780517] tty_ldisc_open.isra.0+0x73/0xb0 [ 44.784904] tty_set_ldisc+0x29a/0x610 [ 44.788774] tty_ioctl+0x95b/0x1320 [ 44.792386] ? get_pid_task+0xbf/0x140 [ 44.796251] ? tty_vhangup+0x30/0x30 [ 44.799956] ? __might_sleep+0x93/0xb0 [ 44.803826] ? tty_vhangup+0x30/0x30 [ 44.807525] do_vfs_ioctl+0x7ae/0x1060 [ 44.811399] ? selinux_file_mprotect+0x5d0/0x5d0 [ 44.816149] ? ioctl_preallocate+0x1c0/0x1c0 [ 44.820548] ? vfs_write+0x104/0x500 [ 44.824244] ? security_file_ioctl+0x7d/0xb0 [ 44.828662] ? security_file_ioctl+0x89/0xb0 [ 44.833145] SyS_ioctl+0x8f/0xc0 [ 44.836493] ? do_vfs_ioctl+0x1060/0x1060 [ 44.840622] do_syscall_64+0x1e8/0x640 [ 44.844491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.849327] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.854507] RIP: 0033:0x441149 [ 44.857679] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.865366] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 44.872666] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 executing program [ 44.879970] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 44.887236] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 44.894490] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 44.914768] FAULT_INJECTION: forcing a failure. [ 44.914768] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 44.926622] CPU: 0 PID: 7034 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 44.934483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.943822] Call Trace: [ 44.946393] dump_stack+0x142/0x197 [ 44.950014] should_fail.cold+0x10f/0x159 [ 44.954151] __alloc_pages_nodemask+0x1d6/0x7a0 [ 44.958842] ? __alloc_pages_slowpath+0x2930/0x2930 [ 44.963839] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 44.968928] ? save_trace+0x290/0x290 [ 44.972760] cache_grow_begin+0x80/0x400 [ 44.976803] kmem_cache_alloc_trace+0x6b2/0x790 [ 44.981457] gsm_dlci_alloc+0x4b/0x460 [ 44.985324] gsm_activate_mux+0x237/0x2f0 [ 44.989505] gsmld_open+0x51d/0x790 [ 44.993114] ? gsmld_compat_ioctl+0x40/0x40 [ 44.997451] tty_ldisc_open.isra.0+0x73/0xb0 [ 45.001845] tty_set_ldisc+0x29a/0x610 [ 45.005725] tty_ioctl+0x95b/0x1320 [ 45.009376] ? get_pid_task+0xbf/0x140 [ 45.013247] ? tty_vhangup+0x30/0x30 [ 45.016946] ? __might_sleep+0x93/0xb0 [ 45.020871] ? tty_vhangup+0x30/0x30 [ 45.024609] do_vfs_ioctl+0x7ae/0x1060 [ 45.028489] ? selinux_file_mprotect+0x5d0/0x5d0 [ 45.033295] ? ioctl_preallocate+0x1c0/0x1c0 [ 45.037688] ? vfs_write+0x104/0x500 [ 45.041387] ? security_file_ioctl+0x7d/0xb0 [ 45.045819] ? security_file_ioctl+0x89/0xb0 [ 45.050241] SyS_ioctl+0x8f/0xc0 [ 45.053588] ? do_vfs_ioctl+0x1060/0x1060 [ 45.057722] do_syscall_64+0x1e8/0x640 [ 45.061589] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.066422] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.071746] RIP: 0033:0x441149 [ 45.074921] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.082621] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 45.089887] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.097143] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 45.104394] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 45.111644] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 executing program [ 45.334715] FAULT_INJECTION: forcing a failure. [ 45.334715] name failslab, interval 1, probability 0, space 0, times 0 [ 45.355254] CPU: 0 PID: 7041 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 45.363167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.372525] Call Trace: [ 45.375117] dump_stack+0x142/0x197 [ 45.378750] should_fail.cold+0x10f/0x159 [ 45.382906] should_failslab+0xdb/0x130 [ 45.386885] kmem_cache_alloc_trace+0x2e9/0x790 [ 45.391569] tty_register_device_attr+0x19f/0x6f0 [ 45.396415] ? do_tty_hangup+0x30/0x30 [ 45.400291] ? lockdep_init_map+0x9/0x10 [ 45.404355] ? __raw_spin_lock_init+0x2d/0x100 [ 45.408930] ? tty_port_init+0xa6/0x1a0 [ 45.412886] ? gsm_dlci_alloc+0x395/0x460 [ 45.417012] tty_register_device+0x2b/0x40 [ 45.421269] gsmld_open+0x57e/0x790 [ 45.424873] ? gsmld_compat_ioctl+0x40/0x40 [ 45.429172] tty_ldisc_open.isra.0+0x73/0xb0 [ 45.433557] tty_set_ldisc+0x29a/0x610 [ 45.437425] tty_ioctl+0x95b/0x1320 [ 45.441067] ? get_pid_task+0xbf/0x140 [ 45.444932] ? tty_vhangup+0x30/0x30 [ 45.448626] ? __might_sleep+0x93/0xb0 [ 45.452533] ? tty_vhangup+0x30/0x30 [ 45.456225] do_vfs_ioctl+0x7ae/0x1060 [ 45.460089] ? selinux_file_mprotect+0x5d0/0x5d0 [ 45.464859] ? ioctl_preallocate+0x1c0/0x1c0 [ 45.469247] ? vfs_write+0x104/0x500 [ 45.472987] ? security_file_ioctl+0x7d/0xb0 [ 45.477373] ? security_file_ioctl+0x89/0xb0 [ 45.481764] SyS_ioctl+0x8f/0xc0 [ 45.485111] ? do_vfs_ioctl+0x1060/0x1060 [ 45.489238] do_syscall_64+0x1e8/0x640 [ 45.493105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.497928] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.503094] RIP: 0033:0x441149 [ 45.506265] RSP: 002b:00007ffd5d7933b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.513952] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441149 [ 45.521209] RDX: 0000000020000080 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.528463] RBP: 00007ffd5d7933d0 R08: 0000000000000001 R09: 0000000000000000 [ 45.535801] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 45.543094] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 45.662845] kasan: CONFIG_KASAN_INLINE enabled [ 45.667593] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 45.675771] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 45.682017] Modules linked in: [ 45.685209] CPU: 1 PID: 7041 Comm: syz-executor468 Not tainted 4.14.157-syzkaller #0 [ 45.693081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.702431] task: ffff888093fd2140 task.stack: ffff88807b630000 [ 45.708496] RIP: 0010:cdev_del+0x28/0xa0 [ 45.712549] RSP: 0018:ffff88807b637b10 EFLAGS: 00010207 [ 45.717908] RAX: dffffc0000000000 RBX: ffff888218e1e100 RCX: 0000000000000000 [ 45.725179] RDX: 000000000000000c RSI: ffff888093fd29e8 RDI: 0000000000000064 [ 45.732449] RBP: ffff88807b637b20 R08: ffff888093fd2140 R09: ffff888093fd2a08 [ 45.739715] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 45.746984] R13: 0000000000000008 R14: ffff888218e50ac8 R15: ffff888089959728 [ 45.754256] FS: 0000000000fee880(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 45.762475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.768337] CR2: 00007f406a72c000 CR3: 00000000a680b000 CR4: 00000000001406e0 [ 45.775596] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.782849] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.790100] Call Trace: [ 45.792672] tty_unregister_device+0x106/0x1a0 [ 45.797232] gsmld_close+0xb2/0x178 [ 45.800835] ? gsm_mux_rx_netchar+0x200/0x200 [ 45.805312] tty_ldisc_close.isra.0+0x99/0xd0 [ 45.809787] tty_ldisc_kill+0x4b/0xc0 [ 45.813571] tty_ldisc_release+0xb6/0x230 [ 45.817702] tty_release_struct+0x1b/0x50 [ 45.821841] tty_release+0xaa3/0xd60 [ 45.825534] ? tty_release_struct+0x50/0x50 [ 45.829832] __fput+0x275/0x7a0 [ 45.833092] ____fput+0x16/0x20 [ 45.836353] task_work_run+0x114/0x190 [ 45.840223] do_exit+0x7df/0x2ce0 [ 45.843655] ? mm_update_next_owner+0x5d0/0x5d0 [ 45.848304] ? up_read+0x1a/0x40 [ 45.851646] ? __do_page_fault+0x358/0xb80 [ 45.855862] do_group_exit+0x111/0x330 [ 45.859743] SyS_exit_group+0x1d/0x20 [ 45.863523] ? do_group_exit+0x330/0x330 [ 45.867561] do_syscall_64+0x1e8/0x640 [ 45.871428] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.876263] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.881788] RIP: 0033:0x43fdb8 [ 45.884958] RSP: 002b:00007ffd5d793378 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 45.892645] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043fdb8 [ 45.899894] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 45.907143] RBP: 00000000004bfaf0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 45.914389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 45.921651] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 45.928910] Code: ff eb dd 55 48 89 e5 41 54 49 89 fc 48 83 ec 08 e8 8e ea cc ff 49 8d 7c 24 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 55 [ 45.948011] RIP: cdev_del+0x28/0xa0 RSP: ffff88807b637b10 [ 45.957620] ---[ end trace c6470828c66c35dc ]--- [ 45.963370] Kernel panic - not syncing: Fatal exception [ 45.969988] Kernel Offset: disabled [ 45.973607] Rebooting in 86400 seconds..