BUG: unable to handle kernel paging request at ffffed0059c07fff
IP: [<ffffffff81912c02>] fuse_dev_do_write+0x1112/0x20a0 fs/fuse/dev.c:1890
PGD 21fffb067 [  162.131508] PUD 21fff9067 
Oops: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 8944 Comm: syz-executor0 Not tainted 4.9.124-g09eb2ba #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d68c6000 task.stack: ffff8801d7130000
RIP: 0010:[<ffffffff81912c02>]  [<ffffffff81912c02>] fuse_dev_do_write+0x1112/0x20a0 fs/fuse/dev.c:1890
RSP: 0018:ffff8801d7137910  EFLAGS: 00010a07
RAX: dffffc0000000000 RBX: ffff8801ce0d3b60 RCX: ffff8801ce040000
RDX: 1ffff10059c07fff RSI: ffff8802ce03ffff RDI: ffff8801ce0d3c10
RBP: ffff8801d7137ba0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8801d7137bd0 R14: ffff8801d5535d80 R15: 1ffff1003ae26f2f
FS:  00007f76d4461700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed0059c07fff CR3: 00000001d500d000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff880100000000 ffff8801d7137bd0 ffff8801ce0d3b60 ffff8801ce0d3c10
 0000000000000001 ffff880100001000 ffff8801ce0d3bfc ffff8801d5535d88
 ffff8801ce0d3c08 ffff8801ce0d3b90 ffff8801d5535d90 ffff8801d480b300
Call Trace:
 [<ffffffff819148cb>] fuse_dev_write+0x14b/0x1e0 fs/fuse/dev.c:1929
 [<ffffffff81573440>] new_sync_write fs/read_write.c:496 [inline]
 [<ffffffff81573440>] __vfs_write+0x3e0/0x580 fs/read_write.c:509
 [<ffffffff81577237>] vfs_write+0x187/0x530 fs/read_write.c:557
 [<ffffffff8157b069>] SYSC_write fs/read_write.c:604 [inline]
 [<ffffffff8157b069>] SyS_write+0xd9/0x1c0 fs/read_write.c:596
9pnet: Insufficient options for proto=fd
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff83a019d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 02 84 c0 74 08 3c 03 0f 8e 76 0d 00 00 8b 83 b0 00 00 00 83 e8 01 48 8d 34 01 48 b8 00 00 00 00 00 fc ff df 48 89 f2 48 c1 ea 03 <0f> b6 04 02 48 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 ab 0b 00 
RIP  [<ffffffff81912c02>] fuse_dev_do_write+0x1112/0x20a0 fs/fuse/dev.c:1890
 RSP <ffff8801d7137910>
CR2: ffffed0059c07fff
---[ end trace 820d97ac250e1a01 ]---