BUG: unable to handle kernel paging request at ffffed005394bbff
IP: [<ffffffff8190de72>] fuse_dev_do_write+0x1112/0x20a0 fs/fuse/dev.c:1890
PGD 21fffb067 [  319.768080] PUD 21fff9067 
Oops: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 26007 Comm: syz-executor4 Not tainted 4.9.119-g9dc978d #23
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88019ca66000 task.stack: ffff88019b688000
RIP: 0010:[<ffffffff8190de72>]  [<ffffffff8190de72>] fuse_dev_do_write+0x1112/0x20a0 fs/fuse/dev.c:1890
RSP: 0018:ffff88019b68f910  EFLAGS: 00010a07
RAX: dffffc0000000000 RBX: ffff8801cb9266d8 RCX: ffff88019ca5e000
RDX: 1ffff1005394bbff RSI: ffff88029ca5dfff RDI: ffff8801cb926788
RBP: ffff88019b68fba0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88019b68fbd0 R14: ffff8801cc2ddb40 R15: 1ffff100336d1f2f
FS:  00007f5045a6b700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed005394bbff CR3: 00000001d77b2000 CR4: 00000000001606f0
Stack:
 ffff880100000000 ffff88019b68fbd0 ffff8801cb9266d8 ffff8801cb926788
 0000000000000001 ffff880100001000 ffff8801cb926774 ffff8801cc2ddb48
 ffff8801cb926780 ffff8801cb926708 ffff8801cc2ddb50 ffff88019ac44400
Call Trace:
 [<ffffffff8190fb3b>] fuse_dev_write+0x14b/0x1e0 fs/fuse/dev.c:1929
 [<ffffffff8156f060>] new_sync_write fs/read_write.c:496 [inline]
 [<ffffffff8156f060>] __vfs_write+0x3e0/0x580 fs/read_write.c:509
 [<ffffffff81572e57>] vfs_write+0x187/0x530 fs/read_write.c:557
 [<ffffffff81576c89>] SYSC_write fs/read_write.c:604 [inline]
 [<ffffffff81576c89>] SyS_write+0xd9/0x1c0 fs/read_write.c:596
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff839fccd3>] 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  [<ffffffff8190de72>] fuse_dev_do_write+0x1112/0x20a0 fs/fuse/dev.c:1890
 RSP <ffff88019b68f910>
CR2: ffffed005394bbff
---[ end trace 9c84880fe349c4bf ]---