------------[ cut here ]------------
WARNING: CPU: 3 PID: 74 at fs/fuse/file.c:1843 fuse_write_file_get fs/fuse/file.c:1843 [inline]
WARNING: CPU: 3 PID: 74 at fs/fuse/file.c:1843 fuse_writepages_fill+0x15ae/0x1a20 fs/fuse/file.c:2153
Modules linked in:
CPU: 3 PID: 74 Comm: kworker/u17:4 Not tainted 5.19.0-rc5-syzkaller-00200-ga471da3100ef #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Workqueue: writeback wb_workfn (flush-0:45)
RIP: 0010:fuse_write_file_get fs/fuse/file.c:1843 [inline]
RIP: 0010:fuse_writepages_fill+0x15ae/0x1a20 fs/fuse/file.c:2153
Code: ff 4c 89 ef e8 43 5e fa fe e9 54 ec ff ff e8 39 5e fa fe e9 7b ec ff ff e8 ef 46 ae fe 4c 89 f7 e8 07 cf ae 06 e8 e2 46 ae 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:ffffc90000cf7390 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffc90000cf75f8 RCX: 0000000000000000
RDX: ffff888015d421c0 RSI: ffffffff82cb507e RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000000 R09: ffff888026f5c7e3
R10: ffffed1004deb8fc R11: 0000000000000001 R12: ffffc90000cf7608
R13: ffff888026f5c6c8 R14: ffff888026f5c7e0 R15: ffff888026f5c200
FS:  0000000000000000(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001340 CR3: 000000001bbe1000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 write_cache_pages+0x79f/0x1a50 mm/page-writeback.c:2334
 fuse_writepages+0x29b/0x410 fs/fuse/file.c:2259
 do_writepages+0x1ab/0x690 mm/page-writeback.c:2443
 __writeback_single_inode+0x126/0x10d0 fs/fs-writeback.c:1587
 writeback_sb_inodes+0x54d/0xf10 fs/fs-writeback.c:1865
 __writeback_inodes_wb+0xc6/0x280 fs/fs-writeback.c:1936
 wb_writeback+0x7f8/0xc30 fs/fs-writeback.c:2041
 wb_check_background_flush fs/fs-writeback.c:2107 [inline]
 wb_do_writeback fs/fs-writeback.c:2195 [inline]
 wb_workfn+0x9cb/0x1230 fs/fs-writeback.c:2222
 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:302
 </TASK>