INIT: Entering runlevel: 2

[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.10.14' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   31.999281] FAULT_INJECTION: forcing a failure.
[   31.999281] name failslab, interval 1, probability 0, space 0, times 1
[   32.010618] CPU: 1 PID: 3583 Comm: syzkaller413514 Not tainted 4.16.0+ #82
[   32.017621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.026973] Call Trace:
[   32.029575]  dump_stack+0x185/0x1d0
[   32.033200]  should_fail+0x87b/0xab0
[   32.036899] ==================================================================
[   32.044239] BUG: KMSAN: uninit-value in kernel_text_address+0x248/0x3a0
[   32.050965] CPU: 1 PID: 3583 Comm: syzkaller413514 Not tainted 4.16.0+ #82
[   32.057948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.067276] Call Trace:
[   32.069843]  dump_stack+0x14a/0x1d0
[   32.073445]  ? kernel_text_address+0x248/0x3a0
[   32.077999]  kmsan_report+0x142/0x240
[   32.081783]  __msan_warning_32+0x6c/0xb0
[   32.085820]  kernel_text_address+0x248/0x3a0
[   32.090203]  __kernel_text_address+0x34/0xe0
[   32.094591]  show_trace_log_lvl+0x954/0x1030
[   32.098974]  ? should_failslab+0x279/0x2a0
[   32.103188]  show_stack+0xfc/0x150
[   32.106702]  ? print_worker_info+0x1b0/0x660
[   32.111084]  dump_stack+0x185/0x1d0
[   32.114687]  should_fail+0x87b/0xab0
[   32.118378]  should_failslab+0x279/0x2a0
[   32.122415]  __kmalloc_track_caller+0x208/0xcb0
[   32.127063]  ? strndup_user+0x134/0x1f0
[   32.131017]  ? kmsan_set_origin_inline+0x6b/0x120
[   32.135842]  ? __msan_poison_alloca+0x15c/0x1d0
[   32.140489]  memdup_user+0x7c/0x200
[   32.144096]  strndup_user+0x134/0x1f0
[   32.147881]  SYSC_mount+0xc4/0x3d0
[   32.151404]  SyS_mount+0x77/0xa0
[   32.154745]  do_syscall_64+0x309/0x430
[   32.158608]  ? put_mnt_ns+0x2f0/0x2f0
[   32.162385]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   32.167562] RIP: 0033:0x445919
[   32.170725] RSP: 002b:00007fae57ea8d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   32.178410] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 0000000000445919
[   32.185653] RDX: 0000000020000340 RSI: 00000000200000c0 RDI: 0000000020000040
[   32.192896] RBP: 00000000006dac20 R08: 00000000200004c0 R09: 0000000000000031
[   32.200141] R10: 0000000001000000 R11: 0000000000000246 R12: 00007fae57ea8d80
[   32.207389] R13: 0030656c69662f2e R14: 0000000000000003 R15: 2f30656c69662f2e
[   32.214634] 
[   32.216237] Local variable description: ----buf@kstrtouint_from_user
[   32.222699] Variable was created at:
[   32.226390]  kstrtouint_from_user+0xa9/0x410
[   32.230776]  proc_fail_nth_write+0xe0/0x330
[   32.235079] ==================================================================
[   32.242411] Disabling lock debugging due to kernel taint
[   32.247833] Kernel panic - not syncing: panic_on_warn set ...
[   32.247833] 
[   32.255170] CPU: 1 PID: 3583 Comm: syzkaller413514 Tainted: G    B            4.16.0+ #82
[   32.263456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.272780] Call Trace:
[   32.275343]  dump_stack+0x14a/0x1d0
[   32.278950]  panic+0x39d/0x940
[   32.282130]  ? kernel_text_address+0x248/0x3a0
[   32.286688]  kmsan_report+0x238/0x240
[   32.290466]  __msan_warning_32+0x6c/0xb0
[   32.294503]  kernel_text_address+0x248/0x3a0
[   32.298887]  __kernel_text_address+0x34/0xe0
[   32.303274]  show_trace_log_lvl+0x954/0x1030
[   32.307664]  ? should_failslab+0x279/0x2a0
[   32.311877]  show_stack+0xfc/0x150
[   32.315399]  ? print_worker_info+0x1b0/0x660
[   32.319795]  dump_stack+0x185/0x1d0
[   32.323401]  should_fail+0x87b/0xab0
[   32.327091]  should_failslab+0x279/0x2a0
[   32.331129]  __kmalloc_track_caller+0x208/0xcb0
[   32.335773]  ? strndup_user+0x134/0x1f0
[   32.339721]  ? kmsan_set_origin_inline+0x6b/0x120
[   32.344539]  ? __msan_poison_alloca+0x15c/0x1d0
[   32.349182]  memdup_user+0x7c/0x200
[   32.352786]  strndup_user+0x134/0x1f0
[   32.356564]  SYSC_mount+0xc4/0x3d0
[   32.360078]  SyS_mount+0x77/0xa0
[   32.363419]  do_syscall_64+0x309/0x430
[   32.367282]  ? put_mnt_ns+0x2f0/0x2f0
[   32.371065]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   32.376232] RIP: 0033:0x445919
[   32.380068] RSP: 002b:00007fae57ea8d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   32.387759] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 0000000000445919
[   32.395013] RDX: 0000000020000340 RSI: 00000000200000c0 RDI: 0000000020000040
[   32.402264] RBP: 00000000006dac20 R08: 00000000200004c0 R09: 0000000000000031
[   32.409510] R10: 0000000001000000 R11: 0000000000000246 R12: 00007fae57ea8d80
[   32.416757] R13: 0030656c69662f2e R14: 0000000000000003 R15: 2f30656c69662f2e
[   32.424453] Dumping ftrace buffer:
[   32.427972]    (ftrace buffer empty)
[   32.431656] Kernel Offset: disabled
[   32.435257] Rebooting in 86400 seconds..