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-net-kasan-gce-8,10.128.0.57' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   41.303353] BUG: unable to handle kernel paging request at fffffbffffffff70
[   41.310471] IP: vsock_diag_dump+0x290/0xa80
[   41.314754] PGD 21fff4067 P4D 21fff4067 PUD 21fff3067 PMD 21fff2067 PTE 0
[   41.321652] Oops: 0000 [#1] SMP KASAN
[   41.325416] Dumping ftrace buffer:
[   41.328919]    (ftrace buffer empty)
[   41.332595] Modules linked in:
[   41.335754] CPU: 1 PID: 2986 Comm: syzkaller165749 Not tainted 4.14.0-rc3+ #76
[   41.343075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.352395] task: ffff8801ceaaa1c0 task.stack: ffff8801ce0e0000
[   41.358419] RIP: 0010:vsock_diag_dump+0x290/0xa80
[   41.363223] RSP: 0018:ffff8801ce0e73d0 EFLAGS: 00010a02
[   41.368548] RAX: 1fffffffffffff70 RBX: fffffffffffffb50 RCX: 0000000000000000
[   41.375782] RDX: 0000000000000000 RSI: ffffffff83f09694 RDI: fffffffffffffb80
[   41.383015] RBP: ffff8801ce0e74e0 R08: ffff8801ce0e6d20 R09: ffff8801ce0e6d18
[   41.390250] R10: ffff8801ce0e6c90 R11: 1ffff10039d556cb R12: dffffc0000000000
[   41.397483] R13: 0000000000000000 R14: ffffffff87962d20 R15: ffff8801ce0e74b8
[   41.404716] FS:  000000000152a880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[   41.412905] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.418749] CR2: fffffbffffffff70 CR3: 00000001ce70f000 CR4: 00000000001406e0
[   41.425988] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   41.433222] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   41.440455] Call Trace:
[   41.443007]  ? netlink_lookup+0x620/0xa90
[   41.447126]  ? sk_diag_fill.constprop.2+0x520/0x520
[   41.452110]  netlink_dump+0x46b/0xb90
[   41.455876]  ? netlink_broadcast+0x50/0x50
[   41.460077]  ? refcount_add+0x60/0x60
[   41.463843]  ? lock_downgrade+0x990/0x990
[   41.467960]  __netlink_dump_start+0x4e9/0x710
[   41.472422]  vsock_diag_handler_dump+0x206/0x2c0
[   41.477140]  ? vsock_addr_unbind+0x20/0x20
[   41.481339]  ? sk_diag_fill.constprop.2+0x520/0x520
[   41.486327]  sock_diag_rcv_msg+0x204/0x390
[   41.490527]  ? sock_has_perm+0x29c/0x400
[   41.494552]  netlink_rcv_skb+0x216/0x440
[   41.498576]  ? sock_diag_bind+0x80/0x80
[   41.502515]  ? netlink_ack+0xab0/0xab0
[   41.506366]  ? netlink_skb_destructor+0x1d0/0x1d0
[   41.511177]  sock_diag_rcv+0x2a/0x40
[   41.514853]  netlink_unicast+0x4e8/0x6f0
[   41.518884]  ? netlink_attachskb+0x8a0/0x8a0
[   41.523260]  ? security_netlink_send+0x81/0xb0
[   41.527806]  netlink_sendmsg+0xa4a/0xe70
[   41.531843]  ? netlink_unicast+0x6f0/0x6f0
[   41.536041]  ? security_socket_sendmsg+0x89/0xb0
[   41.540767]  ? netlink_unicast+0x6f0/0x6f0
[   41.544974]  sock_sendmsg+0xca/0x110
[   41.548654]  sock_write_iter+0x320/0x5e0
[   41.552680]  ? sock_sendmsg+0x110/0x110
[   41.556624]  ? selinux_capset+0x100/0x100
[   41.560744]  ? __might_sleep+0x8c/0x190
[   41.564685]  do_iter_readv_writev+0x531/0x7f0
[   41.569146]  ? vfs_dedupe_file_range+0x900/0x900
[   41.573876]  ? rw_verify_area+0xe5/0x2b0
[   41.577903]  do_iter_write+0x15a/0x540
[   41.581752]  ? dup_iter+0x260/0x260
[   41.585350]  vfs_writev+0x18a/0x340
[   41.588940]  ? __fget_light+0x29d/0x390
[   41.592878]  ? vfs_iter_write+0xb0/0xb0
[   41.596823]  ? up_read+0x1a/0x40
[   41.600152]  ? __do_page_fault+0x3d6/0xd60
[   41.604356]  ? mm_fault_error+0x2c0/0x2c0
[   41.608467]  ? sock_alloc_file+0x2b6/0x550
[   41.612667]  ? __fdget_pos+0x136/0x1a0
[   41.616518]  ? __fdget_raw+0x20/0x20
[   41.620195]  ? __alloc_fd+0x750/0x750
[   41.623958]  ? __do_page_fault+0xd60/0xd60
[   41.628159]  do_writev+0xfc/0x2a0
[   41.631579]  ? do_writev+0xfc/0x2a0
[   41.635172]  ? vfs_writev+0x340/0x340
[   41.638936]  ? entry_SYSCALL_64_fastpath+0x5/0xbe
[   41.643746]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   41.648728]  SyS_writev+0x27/0x30
[   41.652146]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[   41.656866] RIP: 0033:0x43fd69
[   41.660019] RSP: 002b:00007fff5da11d98 EFLAGS: 00000203 ORIG_RAX: 0000000000000014
[   41.667689] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd69
[   41.674922] RDX: 0000000000000001 RSI: 00000000206a3ff0 RDI: 0000000000000003
[   41.682155] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000
[   41.689388] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004016d0
[   41.696621] R13: 0000000000401760 R14: 0000000000000000 R15: 0000000000000000
[   41.703864] Code: 69 07 00 00 48 8b 83 b0 04 00 00 49 39 c6 48 8d 98 50 fb ff ff 0f 84 ce 03 00 00 e8 bb a2 9f fc 48 8d 7b 30 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 2d 07 00 00 48 8b 85 70 ff ff ff 48 3b 43 
[   41.722935] RIP: vsock_diag_dump+0x290/0xa80 RSP: ffff8801ce0e73d0
[   41.729215] CR2: fffffbffffffff70
[   41.732637] ---[ end trace 9852ce58edddbce7 ]---
[   41.737357] Kernel panic - not syncing: Fatal exception in interrupt
[   41.743843] Dumping ftrace buffer:
[   41.747348]    (ftrace buffer empty)
[   41.751026] Kernel Offset: disabled
[   41.754616] Rebooting in 86400 seconds..