------------[ cut here ]------------
WARNING: CPU: 1 PID: 11 at fs/fuse/file.c:1842 fuse_write_file_get fs/fuse/file.c:1842 [inline]
WARNING: CPU: 1 PID: 11 at fs/fuse/file.c:1842 fuse_writepages_fill+0x15ae/0x1a20 fs/fuse/file.c:2152
Modules linked in:
CPU: 0 PID: 11 Comm: kworker/u4:1 Tainted: G        W         5.17.0-syzkaller-10753-gbddac7c1e02b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: writeback wb_workfn (flush-0:36)
RIP: 0010:fuse_write_file_get fs/fuse/file.c:1842 [inline]
RIP: 0010:fuse_writepages_fill+0x15ae/0x1a20 fs/fuse/file.c:2152
Code: ff 4c 89 ef e8 13 41 06 ff e9 54 ec ff ff e8 09 41 06 ff e9 7b ec ff ff e8 ff 92 ba fe 4c 89 f7 e8 c7 14 a3 06 e8 f2 92 ba fe <0f> 0b 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 18 48 c1 ea 03 80
RSP: 0018:ffffc900001073b0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffc90000107618 RCX: 0000000000000000
RDX: ffff888010e73a00 RSI: ffffffff82be74de RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000000 R09: ffff8880711905e3
R10: ffffed100e2320bc R11: 0000000000000000 R12: ffffc90000107628
R13: ffff8880711904c8 R14: ffff8880711905e0 R15: ffff888071190000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f733fa03838 CR3: 000000007f43d000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 write_cache_pages+0x79f/0x1a50 mm/page-writeback.c:2243
 fuse_writepages+0x29b/0x410 fs/fuse/file.c:2258
 do_writepages+0x1ab/0x690 mm/page-writeback.c:2352
 __writeback_single_inode+0x126/0x10d0 fs/fs-writeback.c:1581
 writeback_sb_inodes+0x53d/0xf00 fs/fs-writeback.c:1854
 __writeback_inodes_wb+0xc6/0x280 fs/fs-writeback.c:1923
 wb_writeback+0x7f8/0xc30 fs/fs-writeback.c:2028
 wb_check_background_flush fs/fs-writeback.c:2094 [inline]
 wb_do_writeback fs/fs-writeback.c:2182 [inline]
 wb_workfn+0x9cb/0x1230 fs/fs-writeback.c:2209
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>