binder_alloc: binder_alloc_mmap_handler: 17277 20001000-20004000 already mapped failed -16
BUG: unable to handle kernel paging request at ffffed0053b475ff
IP: [<ffffffff8190dca2>] fuse_dev_do_write+0x1112/0x20a0 fs/fuse/dev.c:1890
PGD 21fffb067 
PUD 21fff9067 
PMD 0 

Oops: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 17317 Comm: syz-executor0 Not tainted 4.9.116-g52be322 #17
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c9dde000 task.stack: ffff8801be340000
RIP: 0010:[<ffffffff8190dca2>]  [<ffffffff8190dca2>] fuse_dev_do_write+0x1112/0x20a0 fs/fuse/dev.c:1890
RSP: 0018:ffff8801be347910  EFLAGS: 00010a07
RAX: dffffc0000000000 RBX: ffff8801d7ff1da8 RCX: ffff88019da3b000
RDX: 1ffff10053b475ff RSI: ffff88029da3afff RDI: ffff8801d7ff1e58
RBP: ffff8801be347ba0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8801be347bd0 R14: ffff8801d6c3aa80 R15: 1ffff10037c68f2f
FS:  00007f083c682700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed0053b475ff CR3: 00000001cf544000 CR4: 00000000001606f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Stack:
 0000000000000000 ffff8801be347bd0 ffff8801d7ff1da8 ffff8801d7ff1e58
 ffff880100000001 ffff880100001000 ffff8801d7ff1e44 ffff8801d6c3aa88
 ffff8801d7ff1e50 ffff8801d7ff1dd8 ffff8801d6c3aa90 ffff8801ba47e600
Call Trace:
 [<ffffffff8190f96b>] fuse_dev_write+0x14b/0x1e0 fs/fuse/dev.c:1929
 [<ffffffff8156ee20>] new_sync_write fs/read_write.c:496 [inline]
 [<ffffffff8156ee20>] __vfs_write+0x3e0/0x580 fs/read_write.c:509
 [<ffffffff81572c17>] vfs_write+0x187/0x530 fs/read_write.c:557
 [<ffffffff81576a49>] SYSC_write fs/read_write.c:604 [inline]
 [<ffffffff81576a49>] SyS_write+0xd9/0x1c0 fs/read_write.c:596
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff839fbc13>] 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  [<ffffffff8190dca2>] fuse_dev_do_write+0x1112/0x20a0 fs/fuse/dev.c:1890
 RSP <ffff8801be347910>
CR2: ffffed0053b475ff
---[ end trace f8d14aa354b97024 ]---