------------[ cut here ]------------
WARNING: CPU: 0 PID: 3782 at fs/fuse/file.c:1843 fuse_write_file_get fs/fuse/file.c:1843 [inline]
WARNING: CPU: 0 PID: 3782 at fs/fuse/file.c:1843 fuse_writepages_fill+0x15ae/0x1a20 fs/fuse/file.c:2153
Modules linked in:
CPU: 0 PID: 3782 Comm: kworker/u4:7 Not tainted 5.19.0-rc7-syzkaller-00007-g353f7988dd84 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Workqueue: writeback wb_workfn (flush-0:50)
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 13 5a fa fe e9 54 ec ff ff e8 09 5a fa fe e9 7b ec ff ff e8 7f 3c ae fe 4c 89 f7 e8 47 e2 ae 06 e8 72 3c 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:ffffc9000428f390 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffc9000428f5f8 RCX: 0000000000000000
RDX: ffff88807381e080 RSI: ffffffff82cb603e RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000000 R09: ffff8880340675e3
R10: ffffed100680cebc R11: 0000000000000001 R12: ffffc9000428f608
R13: ffff8880340674c8 R14: ffff8880340675e0 R15: ffff888034067000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f77ac76d058 CR3: 000000002e625000 CR4: 00000000003506e0
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:306
 </TASK>