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-mmots-kasan-gce-0,10.128.0.45' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   39.263935] BUG: unable to handle kernel paging request at 00000000889917ea
[   39.264976] IP: crypto_chacha20_crypt+0x557/0xbd0
[   39.265615] PGD 5e28067 P4D 5e28067 PUD 0 
[   39.266186] Oops: 0000 [#1] SMP KASAN
[   39.266697] Dumping ftrace buffer:
[   39.267169]    (ftrace buffer empty)
[   39.267664] Modules linked in:
[   39.268096] CPU: 0 PID: 3084 Comm: syzkaller982788 Not tainted 4.15.0-rc1-mm1+ #29
[   39.269118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   39.270334] task: 000000008527920f task.stack: 000000001bd5f30f
[   39.271146] RIP: 0010:crypto_chacha20_crypt+0x557/0xbd0
[   39.271851] RSP: 0018:ffff8801cc0ef680 EFLAGS: 00010246
[   39.272579] RAX: ffff8801cc0ef6f0 RBX: 00000000e6000000 RCX: ffffffff8226e7fb
[   39.273529] RDX: 0000000000000000 RSI: ffff8801ccba0300 RDI: ffff8801cc0ef71c
[   39.274479] RBP: ffff8801cc0ef8a0 R08: ffffed003b1424f4 R09: ffff8801d8a12780
[   39.275428] R10: ffff8801cc0ef8b8 R11: ffffed003b1424f3 R12: 0000000000000000
[   39.276393] R13: ffffffff00000001 R14: 0000000000000000 R15: dffffc0000000000
[   39.277344] FS:  0000000001fe6880(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
[   39.278443] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.279216] CR2: ffffffff00000001 CR3: 00000001cd4cf000 CR4: 00000000001406f0
[   39.280170] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.281120] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.282069] Call Trace:
[   39.282430]  ? lock_release+0xda0/0xda0
[   39.282962]  ? crypto_chacha20_setkey+0xc0/0xc0
[   39.283607]  ? rcu_read_lock_sched_held+0x108/0x120
[   39.285806]  ? sock_kmalloc+0x112/0x190
[   39.289744]  ? refcount_inc_not_zero+0xfe/0x180
[   39.294375]  ? refcount_add+0x60/0x60
[   39.298140]  ? lock_sock_nested+0x91/0x110
[   39.302337]  ? trace_hardirqs_on+0xd/0x10
[   39.306451]  skcipher_recvmsg+0x739/0xf20
[   39.310562]  ? skcipher_recvmsg+0x739/0xf20
[   39.314854]  ? skcipher_release+0x50/0x50
[   39.318965]  ? selinux_socket_recvmsg+0x36/0x40
[   39.323598]  ? security_socket_recvmsg+0x91/0xc0
[   39.328318]  ? skcipher_release+0x50/0x50
[   39.332432]  sock_recvmsg+0xc9/0x110
[   39.336113]  sock_read_iter+0x361/0x560
[   39.340051]  ? sock_recvmsg+0x110/0x110
[   39.343992]  ? selinux_file_permission+0x82/0x460
[   39.348806]  ? rw_verify_area+0xe5/0x2b0
[   39.352834]  aio_read+0x2b0/0x3a0
[   39.356255]  ? aio_write+0x5a0/0x5a0
[   39.359935]  ? lock_downgrade+0x980/0x980
[   39.364050]  ? lock_release+0xda0/0xda0
[   39.367987]  ? refcount_inc_not_zero+0xfe/0x180
[   39.372616]  ? refcount_add+0x60/0x60
[   39.376383]  ? __might_sleep+0x95/0x190
[   39.380324]  do_io_submit+0xf99/0x14f0
[   39.384177]  ? do_io_submit+0xf99/0x14f0
[   39.388209]  ? aio_read+0x3a0/0x3a0
[   39.391801]  ? mm_fault_error+0x2c0/0x2c0
[   39.395913]  ? __fd_install+0x288/0x740
[   39.399847]  ? anon_inode_getfile+0x349/0x490
[   39.404310]  ? do_page_fault+0xee/0x720
[   39.408246]  ? __init_waitqueue_head+0x97/0x140
[   39.412881]  ? __do_page_fault+0xc90/0xc90
[   39.417090]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   39.422073]  SyS_io_submit+0x27/0x30
[   39.425749]  ? SyS_io_submit+0x27/0x30
[   39.429601]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   39.434318] RIP: 0033:0x43ffb9
[   39.437470] RSP: 002b:00007ffc83ef4778 EFLAGS: 00000203 ORIG_RAX: 00000000000000d1
[   39.445141] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043ffb9
[   39.452374] RDX: 0000000020738000 RSI: 0000000000000002 RDI: 00007fd902765000
[   39.459606] RBP: 00000000006ca018 R08: 0000000000401920 R09: 0000000000401920
[   39.466839] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000401920
[   39.474081] R13: 00000000004019b0 R14: 0000000000000000 R15: 0000000000000000
[   39.481333] 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 
[   39.500396] RIP: crypto_chacha20_crypt+0x557/0xbd0 RSP: ffff8801cc0ef680
[   39.507194] CR2: ffffffff00000001
[   39.510623] ---[ end trace 6a1795d310a7f3d5 ]---
[   39.515340] Kernel panic - not syncing: Fatal exception
[   39.520693] Dumping ftrace buffer:
[   39.524195]    (ftrace buffer empty)
[   39.527868] Kernel Offset: disabled
[   39.531460] Rebooting in 86400 seconds..