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 'ci-upstream-kasan-gce-5,10.128.15.192' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   26.035083] BUG: unable to handle kernel paging request at 00000000b16e64b2
[   26.036192] IP: crypto_chacha20_crypt+0x557/0xbd0
[   26.036832] PGD 5e28067 P4D 5e28067 PUD 0 
[   26.037418] Oops: 0000 [#1] SMP KASAN
[   26.037936] Dumping ftrace buffer:
[   26.038409]    (ftrace buffer empty)
[   26.038904] Modules linked in:
[   26.039348] CPU: 1 PID: 3080 Comm: syzkaller155751 Not tainted 4.15.0-rc2+ #206
[   26.040322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   26.041564] task: 00000000f2a928ab task.stack: 000000006f8e42ad
[   26.042367] RIP: 0010:crypto_chacha20_crypt+0x557/0xbd0
[   26.043076] RSP: 0018:ffff8801cb83f680 EFLAGS: 00010246
[   26.043945] RAX: ffff8801cb83f6f0 RBX: 00000000e6000000 RCX: ffffffff822679cb
[   26.044912] RDX: 0000000000000000 RSI: ffff8801ce919e00 RDI: ffff8801cb83f71c
[   26.045863] RBP: ffff8801cb83f8a0 R08: ffffed0039821d8c R09: ffff8801cc10ec40
[   26.046830] R10: ffff8801cb83f8b8 R11: ffffed0039821d8b R12: 0000000000000000
[   26.047801] R13: ffffffff00000001 R14: 0000000000000000 R15: dffffc0000000000
[   26.048766] FS:  0000000001102880(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
[   26.049843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.050619] CR2: ffffffff00000001 CR3: 00000001db1c3000 CR4: 00000000001406e0
[   26.051576] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.052529] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.053485] Call Trace:
[   26.053852]  ? crypto_chacha20_setkey+0xc0/0xc0
[   26.054484]  ? rcu_read_lock_sched_held+0x108/0x120
[   26.055164]  ? sock_kmalloc+0x112/0x190
[   26.055705]  ? refcount_inc_not_zero+0xfe/0x180
[   26.060344]  ? refcount_add+0x60/0x60
[   26.064117]  ? lock_sock_nested+0x91/0x110
[   26.068320]  ? trace_hardirqs_on+0xd/0x10
[   26.072443]  skcipher_recvmsg+0x739/0xf20
[   26.076567]  ? skcipher_recvmsg+0x739/0xf20
[   26.080862]  ? skcipher_release+0x50/0x50
[   26.084979]  ? selinux_socket_recvmsg+0x36/0x40
[   26.089621]  ? security_socket_recvmsg+0x91/0xc0
[   26.094343]  ? skcipher_release+0x50/0x50
[   26.098476]  sock_recvmsg+0xc9/0x110
[   26.102161]  sock_read_iter+0x361/0x560
[   26.106108]  ? sock_recvmsg+0x110/0x110
[   26.110050]  ? selinux_file_permission+0x82/0x460
[   26.114868]  ? rw_verify_area+0xe5/0x2b0
[   26.118903]  aio_read+0x2b0/0x3a0
[   26.122329]  ? aio_write+0x5a0/0x5a0
[   26.126016]  ? lock_downgrade+0x980/0x980
[   26.130135]  ? lock_release+0xda0/0xda0
[   26.134081]  ? refcount_inc_not_zero+0xfe/0x180
[   26.138718]  ? refcount_add+0x60/0x60
[   26.142492]  ? __might_sleep+0x95/0x190
[   26.146440]  do_io_submit+0xf99/0x14f0
[   26.150298]  ? do_io_submit+0xf99/0x14f0
[   26.154340]  ? aio_read+0x3a0/0x3a0
[   26.157935]  ? mm_fault_error+0x2c0/0x2c0
[   26.162057]  ? __fd_install+0x288/0x740
[   26.166007]  ? anon_inode_getfile+0x349/0x490
[   26.170472]  ? do_page_fault+0xee/0x720
[   26.174413]  ? __init_waitqueue_head+0x97/0x140
[   26.179052]  ? __do_page_fault+0xc90/0xc90
[   26.183262]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   26.188253]  SyS_io_submit+0x27/0x30
[   26.191936]  ? SyS_io_submit+0x27/0x30
[   26.195798]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   26.200523] RIP: 0033:0x43ffb9
[   26.203679] RSP: 002b:00007ffec2af4598 EFLAGS: 00000203 ORIG_RAX: 00000000000000d1
[   26.211354] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043ffb9
[   26.218593] RDX: 0000000020738000 RSI: 0000000000000002 RDI: 00007efd21d84000
[   26.225839] RBP: 00000000006ca018 R08: 0000000000401920 R09: 0000000000401920
[   26.233083] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000401920
[   26.240323] R13: 00000000004019b0 R14: 0000000000000000 R15: 0000000000000000
[   26.247571] Code: df 89 9d 7c fe ff ff 48 c1 ea 03 0f b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 99 05 00 00 48 8b 85 28 fe ff ff <41> 8b 5d 00 48 8d 78 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 
[   26.266670] RIP: crypto_chacha20_crypt+0x557/0xbd0 RSP: ffff8801cb83f680
[   26.273475] CR2: ffffffff00000001
[   26.276896] ---[ end trace 5bd338678f0ad697 ]---
[   26.281620] Kernel panic - not syncing: Fatal exception
[   26.286983] Dumping ftrace buffer:
[   26.290491]    (ftrace buffer empty)
[   26.294170] Kernel Offset: disabled
[   26.297763] Rebooting in 86400 seconds..