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: [   41.011991] Not allocated shadow for addr ffff8801995b2018 (page ffffea00099822c0)
[   41.019717] Attempted to access 120 bytes
[   41.023859] ------------[ cut here ]------------
[   41.028584] kernel BUG at mm/kmsan/kmsan.c:1326!
[   41.033316] invalid opcode: 0000 [#1] SMP PTI
[   41.037781] Dumping ftrace buffer:
[   41.041295]    (ftrace buffer empty)
[   41.044977] Modules linked in:
[   41.048149] CPU: 1 PID: 4461 Comm: syzkaller375745 Not tainted 4.16.0+ #87
[   41.055131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.064468] RIP: 0010:kmsan_get_shadow_address+0x1ce/0x1f0
[   41.070065] RSP: 0018:ffff8801b447f020 EFLAGS: 00010082
[   41.075402] RAX: 000000000000001d RBX: 0000000000000660 RCX: 0000000000000000
[   41.082645] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
[   41.089889] RBP: ffff8801b447f038 R08: 0000000000000000 R09: 0000000000000001
[   41.097132] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801b447f150
[   41.104378] R13: ffff88019a618000 R14: 0000000000000001 R15: 0000000000000078
[   41.111622] FS:  0000000000a9b880(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
[   41.119821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.125676] CR2: 0000000000455050 CR3: 0000000198528000 CR4: 00000000001406e0
[   41.132920] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   41.140166] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   41.147408] Call Trace:
[   41.149979]  __msan_memcpy+0xaf/0x160
[   41.153756]  depot_save_stack+0x360/0x4c0
[   41.157883]  ? __irqentry_text_end+0x1fb47e/0x1fb47e
[   41.162959]  kmsan_internal_chain_origin+0x1ab/0x210
[   41.168044]  ? kmsan_internal_chain_origin+0x12b/0x210
[   41.173641]  ? kmsan_memcpy_origins+0x11d/0x170
[   41.178282]  ? kmsan_copy_to_user+0x132/0x160
[   41.182754]  ? simple_read_from_buffer+0x24d/0x3d0
[   41.187661]  ? proc_loginuid_read+0x34f/0x410
[   41.192131]  ? do_iter_read+0x880/0xd70
[   41.196078]  ? vfs_readv+0x1ec/0x260
[   41.199767]  ? default_file_splice_read+0xa9a/0x1120
[   41.204846]  ? splice_direct_to_actor+0x4c6/0x1040
[   41.209755]  ? do_splice_direct+0x335/0x540
[   41.214054]  ? do_sendfile+0x1067/0x1e40
[   41.218091]  ? SYSC_sendfile64+0x1b3/0x300
[   41.222300]  ? SyS_sendfile64+0x64/0x90
[   41.226251]  ? do_syscall_64+0x309/0x430
[   41.230294]  ? entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   41.235637]  ? scnprintf+0x222/0x2b0
[   41.239338]  kmsan_memcpy_origins+0x11d/0x170
[   41.243809]  kmsan_copy_to_user+0x132/0x160
[   41.248107]  simple_read_from_buffer+0x24d/0x3d0
[   41.252842]  proc_loginuid_read+0x34f/0x410
[   41.257145]  do_iter_read+0x880/0xd70
[   41.260927]  ? oom_score_adj_write+0x440/0x440
[   41.265484]  vfs_readv+0x1ec/0x260
[   41.269006]  default_file_splice_read+0xa9a/0x1120
[   41.273928]  ? security_file_permission+0x473/0x4b0
[   41.278920]  ? rw_verify_area+0x35e/0x580
[   41.283048]  ? SYSC_tee+0x13d0/0x13d0
[   41.286823]  splice_direct_to_actor+0x4c6/0x1040
[   41.291567]  ? do_splice_direct+0x540/0x540
[   41.295863]  ? security_file_permission+0x28f/0x4b0
[   41.300858]  ? rw_verify_area+0x35e/0x580
[   41.304987]  do_splice_direct+0x335/0x540
[   41.309117]  do_sendfile+0x1067/0x1e40
[   41.312984]  SYSC_sendfile64+0x1b3/0x300
[   41.317033]  SyS_sendfile64+0x64/0x90
[   41.320813]  do_syscall_64+0x309/0x430
[   41.324675]  ? SYSC_sendfile+0x320/0x320
[   41.328714]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   41.333878] RIP: 0033:0x440249
[   41.337044] RSP: 002b:00007fff7cd18408 EFLAGS: 00000217 ORIG_RAX: 0000000000000028
[   41.344738] RAX: ffffffffffffffda RBX: 00007fff7cd18410 RCX: 0000000000440249
[   41.352105] RDX: 0000000020000000 RSI: 0000000000000005 RDI: 0000000000000004
[   41.359350] RBP: 0000000000000000 R08: 0000000000000013 R09: 65732f636f72702f
[   41.366600] R10: 0000000000000009 R11: 0000000000000217 R12: 6469756e69676f6c
[   41.373844] R13: 726f63735f6d6f6f R14: 0000000000000000 R15: 0000000000000000
[   41.381096] Code: 75 29 48 c7 c7 fd 92 7d 8a 31 c0 e8 4d 68 86 ff 80 3c 25 e8 03 2c 8b 00 75 11 48 c7 c7 2d 93 7d 8a 31 c0 4c 89 fe e8 32 68 86 ff <0f> 0b eb fe 48 3d ff ff ff 1f 0f 87 a2 fe ff ff 48 8b 1c 25 10 
[   41.400174] RIP: kmsan_get_shadow_address+0x1ce/0x1f0 RSP: ffff8801b447f020
[   41.407249] ---[ end trace e23ac63daf5ddccb ]---
[   41.411975] Kernel panic - not syncing: Fatal exception
[   42.539031] Shutting down cpus with NMI
[   42.554713] Dumping ftrace buffer:
[   42.558231]    (ftrace buffer empty)
[   42.561918] Kernel Offset: disabled
[   42.565524] Rebooting in 86400 seconds..