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 '10.128.0.43' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   24.718395] kasan: CONFIG_KASAN_INLINE enabled
[   24.723124] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   24.730829] general protection fault: 0000 [#1] SMP KASAN
[   24.736364] Dumping ftrace buffer:
[   24.739871]    (ftrace buffer empty)
[   24.743550] Modules linked in:
[   24.746714] CPU: 1 PID: 4175 Comm: syzkaller319995 Not tainted 4.16.0-rc6+ #366
[   24.754128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   24.763461] RIP: 0010:rdma_init_qp_attr+0x8b/0x720
[   24.768358] RSP: 0018:ffff8801bba3f840 EFLAGS: 00010202
[   24.773688] RAX: dffffc0000000000 RBX: ffff8801bba5edc0 RCX: ffffffff841bc03f
[   24.780928] RDX: 0000000000000029 RSI: ffff8801bba3f9c8 RDI: 0000000000000148
[   24.788166] RBP: ffff8801bba3f880 R08: ffffed0037747f4e R09: ffff8801bba3f9cc
[   24.795406] R10: 0000000000000000 R11: ffffed0037747f4d R12: ffff8801bba3f9c8
[   24.802647] R13: ffff8801bba3f908 R14: 0000000000000000 R15: ffff8801bba3f8c8
[   24.809885] FS:  00000000012f6880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[   24.818083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.823934] CR2: 0000000020000180 CR3: 00000001af307006 CR4: 00000000001606e0
[   24.831174] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.838414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.845651] Call Trace:
[   24.848215]  ucma_init_qp_attr+0x251/0x440
[   24.852419]  ? ucma_notify+0x1a0/0x1a0
[   24.856284]  ? find_held_lock+0x35/0x1d0
[   24.860319]  ? __might_fault+0x110/0x1d0
[   24.864349]  ? lock_downgrade+0x980/0x980
[   24.868468]  ? lock_release+0xa40/0xa40
[   24.872413]  ? check_same_owner+0x320/0x320
[   24.876711]  ? kasan_check_write+0x14/0x20
[   24.880915]  ucma_write+0x2d6/0x3d0
[   24.884511]  ? ucma_notify+0x1a0/0x1a0
[   24.888366]  ? ucma_close_id+0x60/0x60
[   24.892227]  ? ucma_close_id+0x60/0x60
[   24.896085]  __vfs_write+0xef/0x970
[   24.899684]  ? kernel_read+0x120/0x120
[   24.903545]  ? fsnotify+0x7b3/0x1140
[   24.907227]  ? rcu_pm_notify+0xc0/0xc0
[   24.911089]  ? security_file_permission+0x89/0x1e0
[   24.915987]  ? rw_verify_area+0xe5/0x2b0
[   24.920024]  ? __fdget_raw+0x20/0x20
[   24.923707]  vfs_write+0x189/0x510
[   24.927217]  SyS_write+0xef/0x220
[   24.930637]  ? filp_open+0x70/0x70
[   24.934145]  ? SyS_read+0x220/0x220
[   24.937744]  ? do_syscall_64+0xb7/0x940
[   24.941687]  ? SyS_read+0x220/0x220
[   24.945282]  do_syscall_64+0x281/0x940
[   24.949137]  ? __do_page_fault+0xc90/0xc90
[   24.953339]  ? trace_event_raw_event_sys_exit+0x260/0x260
[   24.958845]  ? syscall_return_slowpath+0x550/0x550
[   24.963745]  ? syscall_return_slowpath+0x2ac/0x550
[   24.968649]  ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
[   24.973981]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   24.978796]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   24.983952] RIP: 0033:0x43fdc9
[   24.987111] RSP: 002b:00007ffde1b81e58 EFLAGS: 00000217 ORIG_RAX: 0000000000000001
[   24.994788] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fdc9
[   25.002033] RDX: 0000000000000018 RSI: 0000000020000cc0 RDI: 0000000000000003
[   25.009273] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   25.016511] R10: 00000000004002c8 R11: 0000000000000217 R12: 00000000004016f0
[   25.023750] R13: 0000000000401780 R14: 0000000000000000 R15: 0000000000000000
[   25.030993] Code: 00 00 00 fc ff df 80 3c 02 00 0f 85 8c 06 00 00 4c 8b 33 48 b8 00 00 00 00 00 fc ff df 49 8d be 48 01 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5d 06 00 00 44 0f b6 7d d4 48 b8 00 00 00 00 
[   25.050069] RIP: rdma_init_qp_attr+0x8b/0x720 RSP: ffff8801bba3f840
[   25.056535] ---[ end trace 922e80589003aa82 ]---
[   25.061291] Kernel panic - not syncing: Fatal exception
[   25.067064] Dumping ftrace buffer:
[   25.070579]    (ftrace buffer empty)
[   25.074258] Kernel Offset: disabled
[   25.077853] Rebooting in 86400 seconds..