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 '10.128.10.31' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   59.787254] ==================================================================
[   59.794652] BUG: KMSAN: uninit-value in do_error_trap+0x39b/0x600
[   59.800872] CPU: 1 PID: 4499 Comm: syz-executor439 Not tainted 4.16.0+ #87
[   59.807857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   59.817186] Call Trace:
[   59.819752]  dump_stack+0x185/0x1d0
[   59.823352]  ? do_error_trap+0x39b/0x600
[   59.827387]  kmsan_report+0x142/0x240
[   59.831173]  __msan_warning_32+0x6c/0xb0
[   59.835210]  do_error_trap+0x39b/0x600
[   59.839072]  ? __kfree_skb+0x23a/0x280
[   59.842937]  do_invalid_op+0x46/0x50
[   59.846628]  invalid_op+0x1b/0x40
[   59.850054] RIP: 0010:kmsan_copy_to_user+0x141/0x160
[   59.855127] RSP: 0018:ffff88019944f968 EFLAGS: 00010206
[   59.860465] RAX: ffff8801cf2a9d80 RBX: ffff88019944fb00 RCX: 000000000000000a
[   59.867711] RDX: 00007ffffffff000 RSI: ffff88019944fb00 RDI: 656c69662f2e0001
[   59.874955] RBP: ffff88019944f9b0 R08: 0000000001080020 R09: ffff8801cbe6fa24
[   59.882197] R10: ffff8801cb309800 R11: 000000018010000e R12: 000000000000000a
[   59.889439] R13: 656c69662f2e0001 R14: 0000000000000000 R15: 0000000099200094
[   59.896694]  move_addr_to_user+0x32e/0x530
[   59.900908]  ___sys_recvmsg+0x4e2/0x810
[   59.904881]  ? __msan_poison_alloca+0x15c/0x1d0
[   59.909525]  ? _cond_resched+0x3c/0xd0
[   59.913386]  ? rcu_all_qs+0x32/0x1f0
[   59.917073]  ? _cond_resched+0x3c/0xd0
[   59.920935]  ? __sys_recvmmsg+0x908/0xdb0
[   59.925056]  ? rcu_all_qs+0x32/0x1f0
[   59.928746]  __sys_recvmmsg+0x54e/0xdb0
[   59.932698]  ? __msan_poison_alloca+0x15c/0x1d0
[   59.937343]  SYSC_recvmmsg+0x212/0x3e0
[   59.941207]  SyS_recvmmsg+0x76/0xa0
[   59.944808]  do_syscall_64+0x309/0x430
[   59.948673]  ? __sys_recvmmsg+0xdb0/0xdb0
[   59.952800]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   59.957963] RIP: 0033:0x4455f9
[   59.961126] RSP: 002b:00007f80cedcbdb8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
[   59.968812] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 00000000004455f9
[   59.976055] RDX: 0000000000000379 RSI: 0000000020000000 RDI: 0000000000000003
[   59.983303] RBP: 00000000006dac20 R08: 0000000000000000 R09: 0000000000000000
[   59.990546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   59.997791] R13: 00007ffd43a4c2bf R14: 00007f80cedcc9c0 R15: 0000000000000001
[   60.005037] 
[   60.006636] Local variable description: ----timeout@futex_wait
[   60.012574] Variable was created at:
[   60.016275]  futex_wait+0xde/0xc20
[   60.019798]  do_futex+0x284a/0x6ad0
[   60.023395] ==================================================================
[   60.030724] Disabling lock debugging due to kernel taint
[   60.036145] Kernel panic - not syncing: panic_on_warn set ...
[   60.036145] 
[   60.043482] CPU: 1 PID: 4499 Comm: syz-executor439 Tainted: G    B            4.16.0+ #87
[   60.051768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   60.061095] Call Trace:
[   60.063657]  dump_stack+0x185/0x1d0
[   60.067262]  panic+0x39d/0x940
[   60.070438]  ? do_error_trap+0x39b/0x600
[   60.074473]  kmsan_report+0x238/0x240
[   60.078249]  __msan_warning_32+0x6c/0xb0
[   60.082301]  do_error_trap+0x39b/0x600
[   60.086166]  ? __kfree_skb+0x23a/0x280
[   60.090034]  do_invalid_op+0x46/0x50
[   60.093723]  invalid_op+0x1b/0x40
[   60.097148] RIP: 0010:kmsan_copy_to_user+0x141/0x160
[   60.102221] RSP: 0018:ffff88019944f968 EFLAGS: 00010206
[   60.107555] RAX: ffff8801cf2a9d80 RBX: ffff88019944fb00 RCX: 000000000000000a
[   60.114800] RDX: 00007ffffffff000 RSI: ffff88019944fb00 RDI: 656c69662f2e0001
[   60.122043] RBP: ffff88019944f9b0 R08: 0000000001080020 R09: ffff8801cbe6fa24
[   60.129287] R10: ffff8801cb309800 R11: 000000018010000e R12: 000000000000000a
[   60.136539] R13: 656c69662f2e0001 R14: 0000000000000000 R15: 0000000099200094
[   60.146152]  move_addr_to_user+0x32e/0x530
[   60.150364]  ___sys_recvmsg+0x4e2/0x810
[   60.154317]  ? __msan_poison_alloca+0x15c/0x1d0
[   60.158970]  ? _cond_resched+0x3c/0xd0
[   60.162835]  ? rcu_all_qs+0x32/0x1f0
[   60.166524]  ? _cond_resched+0x3c/0xd0
[   60.170393]  ? __sys_recvmmsg+0x908/0xdb0
[   60.174516]  ? rcu_all_qs+0x32/0x1f0
[   60.178206]  __sys_recvmmsg+0x54e/0xdb0
[   60.182156]  ? __msan_poison_alloca+0x15c/0x1d0
[   60.186804]  SYSC_recvmmsg+0x212/0x3e0
[   60.190668]  SyS_recvmmsg+0x76/0xa0
[   60.194271]  do_syscall_64+0x309/0x430
[   60.198134]  ? __sys_recvmmsg+0xdb0/0xdb0
[   60.202257]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   60.207417] RIP: 0033:0x4455f9
[   60.210579] RSP: 002b:00007f80cedcbdb8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
[   60.218263] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 00000000004455f9
[   60.225507] RDX: 0000000000000379 RSI: 0000000020000000 RDI: 0000000000000003
[   60.232751] RBP: 00000000006dac20 R08: 0000000000000000 R09: 0000000000000000
[   60.239995] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   60.247247] R13: 00007ffd43a4c2bf R14: 00007f80cedcc9c0 R15: 0000000000000001
[   60.254917] Dumping ftrace buffer:
[   60.258437]    (ftrace buffer empty)
[   60.262122] Kernel Offset: disabled
[   60.265726] Rebooting in 86400 seconds..