Warning: Permanently added '10.128.0.115' (ECDSA) to the list of known hosts.
executing program
[   28.381448] kasan: CONFIG_KASAN_INLINE enabled
[   28.386307] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   28.394090] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   28.400515] Modules linked in:
[   28.403691] CPU: 1 PID: 7954 Comm: syz-executor242 Not tainted 4.14.232-syzkaller #0
[   28.411679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   28.421010] task: ffff8880af480680 task.stack: ffff888096770000
[   28.427060] RIP: 0010:vhost_chr_write_iter+0x863/0x10f0
[   28.432396] RSP: 0018:ffff888096777c00 EFLAGS: 00010246
[   28.437736] RAX: dffffc0000000000 RBX: ffff88808d260140 RCX: 0000000000000000
[   28.444981] RDX: 0000000000000002 RSI: ffffffff8ba4aaf0 RDI: ffff88808d260200
[   28.452326] RBP: ffffed1011a4c039 R08: 0000000000000000 R09: 0000000000000000
[   28.459570] R10: 0000000000000002 R11: ffff8880af480680 R12: 0000000000000002
[   28.466903] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff11012ceef87
[   28.474163] FS:  00000000021fc300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
[   28.482755] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.488787] CR2: 00000000200000ce CR3: 00000000b476a000 CR4: 00000000001406e0
[   28.496124] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.503489] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.511058] Call Trace:
[   28.513642]  ? log_write_hva+0x310/0x310
[   28.517688]  ? debug_check_no_obj_freed+0x2c0/0x680
[   28.522860]  ? lock_downgrade+0x740/0x740
[   28.527094]  ? iov_iter_init+0xa6/0x1c0
[   28.531267]  __vfs_write+0x44c/0x630
[   28.535076]  ? kernel_read+0x110/0x110
[   28.538946]  ? rw_verify_area+0xe1/0x2a0
[   28.543009]  vfs_write+0x17f/0x4d0
[   28.546713]  SyS_write+0xf2/0x210
[   28.550143]  ? SyS_read+0x210/0x210
[   28.553751]  ? __do_page_fault+0x159/0xad0
[   28.557975]  ? do_syscall_64+0x4c/0x640
[   28.561937]  ? SyS_read+0x210/0x210
[   28.565638]  do_syscall_64+0x1d5/0x640
[   28.569585]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   28.574955] RIP: 0033:0x43ee99
[   28.578126] RSP: 002b:00007ffe38bb90d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   28.585825] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ee99
[   28.593088] RDX: 0000000000000048 RSI: 0000000020001300 RDI: 0000000000000003
[   28.600345] RBP: 0000000000402e80 R08: 0000000000000000 R09: 0000000000400488
[   28.607593] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402f10
[   28.614866] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488
[   28.622227] Code: ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 cd 06 00 00 4c 8b ab c0 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e9 48 c1 e9 03 <80> 3c 01 00 0f 85 96 06 00 00 49 8b 6d 00 48 85 ed 0f 84 e4 03 
[   28.641305] RIP: vhost_chr_write_iter+0x863/0x10f0 RSP: ffff888096777c00
[   28.648470] ---[ end trace 9683c8b7136cd175 ]---
[   28.653490] Kernel panic - not syncing: Fatal exception
[   28.659933] Kernel Offset: disabled
[   28.663550] Rebooting in 86400 seconds..