Warning: Permanently added '10.128.1.43' (ECDSA) to the list of known hosts.
executing program
[   28.837715] kasan: CONFIG_KASAN_INLINE enabled
[   28.842371] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   28.849934] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   28.856152] Modules linked in:
[   28.859342] CPU: 0 PID: 7962 Comm: syz-executor280 Not tainted 4.14.273-syzkaller #0
[   28.867212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   28.876539] task: ffff8880b373e680 task.stack: ffff88808d7c8000
[   28.882574] RIP: 0010:vhost_chr_write_iter+0x873/0x1100
[   28.887927] RSP: 0018:ffff88808d7cfc00 EFLAGS: 00010246
[   28.893325] RAX: dffffc0000000000 RBX: ffff888091f80140 RCX: 0000000000000000
[   28.900581] RDX: 0000000000000002 RSI: ffffffff8ba5f030 RDI: ffff888091f80200
[   28.907825] RBP: ffffed10123f0039 R08: 0000000000000000 R09: 0000000000000000
[   28.915178] R10: 0000000000000002 R11: ffff8880b373e680 R12: 0000000000000002
[   28.922421] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff11011af9f87
[   28.929665] FS:  00005555557dd300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[   28.937862] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.943718] CR2: 000000002000000e CR3: 00000000abf2c000 CR4: 00000000003406f0
[   28.950964] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.958208] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.965449] Call Trace:
[   28.968017]  ? log_write_hva+0x310/0x310
[   28.972052]  ? debug_check_no_obj_freed+0x2c0/0x680
[   28.977044]  ? lock_downgrade+0x740/0x740
[   28.981167]  ? iov_iter_init+0xa6/0x1c0
[   28.985116]  __vfs_write+0x44c/0x630
[   28.988804]  ? kernel_read+0x110/0x110
[   28.992668]  ? rw_verify_area+0xe1/0x2a0
[   28.996710]  vfs_write+0x17f/0x4d0
[   29.000233]  SyS_write+0xf2/0x210
[   29.003660]  ? SyS_read+0x210/0x210
[   29.007262]  ? __do_page_fault+0x159/0xad0
[   29.011472]  ? do_syscall_64+0x4c/0x640
[   29.015437]  ? SyS_read+0x210/0x210
[   29.019045]  do_syscall_64+0x1d5/0x640
[   29.022927]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   29.028092] RIP: 0033:0x7efd9fc46029
[   29.031801] RSP: 002b:00007ffea0159de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   29.039478] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd9fc46029
[   29.046722] RDX: 0000000000000048 RSI: 0000000020000080 RDI: 0000000000000003
[   29.053967] RBP: 00007efd9fc0a010 R08: 0000000000000000 R09: 0000000000000000
[   29.061225] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efd9fc0a0a0
[   29.068469] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   29.075717] Code: ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 c6 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 8f 06 00 00 49 8b 6d 00 48 85 ed 0f 84 e4 03 
[   29.094789] RIP: vhost_chr_write_iter+0x873/0x1100 RSP: ffff88808d7cfc00
[   29.102559] ---[ end trace b0e09aab2ced7425 ]---
[   29.107350] Kernel panic - not syncing: Fatal exception
[   29.112782] Kernel Offset: disabled
[   29.116402] Rebooting in 86400 seconds..