BUG: unable to handle kernel paging request at 00000000fddeefc3
IP: [<00000000a4d1b700>] fuse_dev_do_write+0x1821/0x22c0 fs/fuse/dev.c:1916
PGD 21fffb067 [ 1262.963713] PUD 21fff9067 
Oops: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 32706 Comm: syz-executor.0 Not tainted 4.9.182+ #2
task: 000000009176a5cc task.stack: 00000000ebc7d4ce
RIP: 0010:[<ffffffff81870941>]  [<00000000a4d1b700>] fuse_dev_do_write+0x1821/0x22c0 fs/fuse/dev.c:1916
RSP: 0018:ffff8801c4e5f9a8  EFLAGS: 00010a07
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90000d31000
RDX: 1ffff10059ec83ff RSI: ffffffff818708cd RDI: ffff8801c5928788
RBP: ffff8801c4e5fba0 R08: ffff8801cf642000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8801c59286d8
R13: ffff8802cf641fff R14: ffff8801cfeebcc0 R15: ffff8801c4e5fbe0
FS:  00007f8edf2a3700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed0059ec83ff CR3: 00000001c8d7e000 CR4: 00000000001606b0
Stack:
 ffff8801c4e5fa68 1bbb72f800000000 ffff8801c59286d8 ffff8801c5928788
 ffffffff00000001 ffff880100001000 ffff8801c5928774 ffff8801c5928780
 ffff8801cfeebcc8 ffff8801c5928708 ffff8801cfeebcd0 ffff8801d7db2200
Call Trace:
 [<00000000604bbf31>] fuse_dev_write+0x144/0x1d0 fs/fuse/dev.c:1955
 [<000000009658e80f>] new_sync_write fs/read_write.c:498 [inline]
 [<000000009658e80f>] __vfs_write+0x3c1/0x560 fs/read_write.c:511
 [<0000000063483f91>] vfs_write+0x185/0x520 fs/read_write.c:559
 [<00000000d31cad84>] SYSC_write fs/read_write.c:607 [inline]
 [<00000000d31cad84>] SyS_write+0x121/0x270 fs/read_write.c:599
 [<00000000199e2bbb>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<0000000082d1a03b>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: c0 74 08 3c 03 0f 8e cf 06 00 00 41 8b 84 24 b0 00 00 00 44 8d 68 ff 48 b8 00 00 00 00 00 fc ff df 4d 01 c5 4c 89 ea 48 c1 ea 03 <0f> b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 75 06 00 
RIP  [<00000000a4d1b700>] fuse_dev_do_write+0x1821/0x22c0 fs/fuse/dev.c:1916
 RSP <ffff8801c4e5f9a8>
CR2: ffffed0059ec83ff
---[ end trace 27f41efd18be2d6d ]---