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 '10.128.10.19' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   41.348179] ==================================================================
[   41.355563] BUG: KMSAN: uninit-value in kernel_ident_mapping_init+0x65a/0x8d0
[   41.362815] CPU: 0 PID: 4506 Comm: syz-executor502 Not tainted 4.16.0+ #87
[   41.369800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.379131] Call Trace:
[   41.381698]  dump_stack+0x185/0x1d0
[   41.385303]  ? kernel_ident_mapping_init+0x65a/0x8d0
[   41.390393]  kmsan_report+0x142/0x240
[   41.394172]  __msan_warning_32+0x6c/0xb0
[   41.398209]  kernel_ident_mapping_init+0x65a/0x8d0
[   41.403134]  machine_kexec_prepare+0x27f/0x1090
[   41.407780]  ? arch_kexec_pre_free_pages+0x30/0x30
[   41.412691]  SYSC_kexec_load+0xb8a/0xe80
[   41.416733]  SyS_kexec_load+0x66/0x90
[   41.420522]  do_syscall_64+0x309/0x430
[   41.424402]  ? kimage_alloc_page+0x1540/0x1540
[   41.428964]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   41.434131] RIP: 0033:0x445449
[   41.437295] RSP: 002b:00007ffb9038ddb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000f6
[   41.444978] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 0000000000445449
[   41.452224] RDX: 0000000020003600 RSI: 0000000000000001 RDI: 0000000000000000
[   41.459468] RBP: 00000000006dac20 R08: 00007ffb9038e700 R09: 0000000000000000
[   41.466714] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   41.473960] R13: 00007ffc9dfb09cf R14: 00007ffb9038e9c0 R15: 0000000000000000
[   41.481209] 
[   41.482809] Uninit was created at:
[   41.486326]  kmsan_alloc_meta_for_pages+0x161/0x3a0
[   41.491318]  kmsan_alloc_page+0x82/0xe0
[   41.495271]  __alloc_pages_nodemask+0xf5b/0x5dc0
[   41.500003]  alloc_pages_current+0x6b5/0x970
[   41.504389]  kimage_alloc_control_pages+0x177/0x1490
[   41.509470]  SYSC_kexec_load+0x85b/0xe80
[   41.513506]  SyS_kexec_load+0x66/0x90
[   41.517283]  do_syscall_64+0x309/0x430
[   41.521148]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   41.526309] ==================================================================
[   41.533639] Disabling lock debugging due to kernel taint
[   41.539066] Kernel panic - not syncing: panic_on_warn set ...
[   41.539066] 
[   41.546418] CPU: 0 PID: 4506 Comm: syz-executor502 Tainted: G    B            4.16.0+ #87
[   41.554707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.564042] Call Trace:
[   41.566620]  dump_stack+0x185/0x1d0
[   41.570228]  panic+0x39d/0x940
[   41.573407]  ? kernel_ident_mapping_init+0x65a/0x8d0
[   41.578486]  kmsan_report+0x238/0x240
[   41.582265]  __msan_warning_32+0x6c/0xb0
[   41.586303]  kernel_ident_mapping_init+0x65a/0x8d0
[   41.591213]  machine_kexec_prepare+0x27f/0x1090
[   41.595860]  ? arch_kexec_pre_free_pages+0x30/0x30
[   41.600771]  SYSC_kexec_load+0xb8a/0xe80
[   41.604812]  SyS_kexec_load+0x66/0x90
[   41.608590]  do_syscall_64+0x309/0x430
[   41.612456]  ? kimage_alloc_page+0x1540/0x1540
[   41.617015]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   41.622181] RIP: 0033:0x445449
[   41.625345] RSP: 002b:00007ffb9038ddb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000f6
[   41.633028] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 0000000000445449
[   41.640276] RDX: 0000000020003600 RSI: 0000000000000001 RDI: 0000000000000000
[   41.647522] RBP: 00000000006dac20 R08: 00007ffb9038e700 R09: 0000000000000000
[   41.654766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   41.662011] R13: 00007ffc9dfb09cf R14: 00007ffb9038e9c0 R15: 0000000000000000
[   41.669713] Dumping ftrace buffer:
[   41.673233]    (ftrace buffer empty)
[   41.676916] Kernel Offset: disabled
[   41.680516] Rebooting in 86400 seconds..