BUG: unable to handle kernel paging request at ffffed005b46dfff
IP: [<ffffffff81911e42>] fuse_dev_do_write+0x1112/0x20a0 fs/fuse/dev.c:1890
PGD 21fffb067 [  211.071412] PUD 21fff9067 
Oops: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 15538 Comm: syz-executor6 Not tainted 4.9.122-g54068d6 #26
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d056b000 task.stack: ffff88019b6f8000
RIP: 0010:[<ffffffff81911e42>]  [<ffffffff81911e42>] fuse_dev_do_write+0x1112/0x20a0 fs/fuse/dev.c:1890
RSP: 0018:ffff88019b6ff910  EFLAGS: 00010a07
RAX: dffffc0000000000 RBX: ffff8801cf53e000 RCX: ffff8801da370000
RDX: 1ffff1005b46dfff RSI: ffff8802da36ffff RDI: ffff8801cf53e0b0
RBP: ffff88019b6ffba0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88019b6ffbd0 R14: ffff8801d31460c0 R15: 1ffff100336dff2f
FS:  00007fb81fc6b700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed005b46dfff CR3: 00000001c0294000 CR4: 00000000001606f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Stack:
 ffff880100000000 ffff88019b6ffbd0 ffff8801cf53e000 ffff8801cf53e0b0
 0000000000000001 ffff880100001000 ffff8801cf53e09c ffff8801d31460c8
 ffff8801cf53e0a8 ffff8801cf53e030 ffff8801d31460d0 ffff8801b85b0000
Call Trace:
 [<ffffffff81913b0b>] fuse_dev_write+0x14b/0x1e0 fs/fuse/dev.c:1929
 [<ffffffff815727a0>] new_sync_write fs/read_write.c:496 [inline]
 [<ffffffff815727a0>] __vfs_write+0x3e0/0x580 fs/read_write.c:509
 [<ffffffff81576597>] vfs_write+0x187/0x530 fs/read_write.c:557
 [<ffffffff8157a3c9>] SYSC_write fs/read_write.c:604 [inline]
 [<ffffffff8157a3c9>] SyS_write+0xd9/0x1c0 fs/read_write.c:596
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff83a00cd3>] 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  [<ffffffff81911e42>] fuse_dev_do_write+0x1112/0x20a0 fs/fuse/dev.c:1890
 RSP <ffff88019b6ff910>
CR2: ffffed005b46dfff
---[ end trace b69b2bc8404a9228 ]---