------------[ cut here ]------------
WARNING: CPU: 0 PID: 20823 at fs/fuse/file.c:1843 spin_unlock include/linux/spinlock.h:389 [inline]
WARNING: CPU: 0 PID: 20823 at fs/fuse/file.c:1843 __fuse_write_file_get fs/fuse/file.c:1835 [inline]
WARNING: CPU: 0 PID: 20823 at fs/fuse/file.c:1843 fuse_write_file_get+0xb7/0xf0 fs/fuse/file.c:1842
Modules linked in:
CPU: 0 PID: 20823 Comm: kworker/u4:9 Not tainted 5.19.0-rc2-syzkaller-00050-g018ab4fabddd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: writeback wb_workfn (flush-0:50)
RIP: 0010:fuse_write_file_get+0xb7/0xf0 fs/fuse/file.c:1843
Code: bf ff ff ff ff e8 b9 4c 95 fe 09 dd 78 36 e8 90 48 95 fe 4c 89 f7 e8 a8 78 41 07 eb 0f e8 81 48 95 fe 4c 89 f7 e8 99 78 41 07 <0f> 0b 4c 89 e0 5b 41 5c 41 5e 41 5f 5d c3 e8 66 48 95 fe be 02 00
RSP: 0018:ffffc90002ebeeb0 EFLAGS: 00010286
RAX: 0000000080000000 RBX: ffff88807474b408 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffffc90002ebf1f0 R08: dffffc0000000000 R09: ffffed100e8e96a5
R10: ffffed100e8e96a5 R11: 1ffff1100e8e96a4 R12: 0000000000000000
R13: ffffea0001701a80 R14: ffff88807474b520 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f84717691b8 CR3: 000000001f769000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 fuse_writepages_fill+0x11b/0x1bb0 fs/fuse/file.c:2153
 write_cache_pages+0x7dd/0x1350 mm/page-writeback.c:2334
 fuse_writepages+0x295/0x470 fs/fuse/file.c:2259
 do_writepages+0x3c3/0x690 mm/page-writeback.c:2443
 __writeback_single_inode+0xd1/0x670 fs/fs-writeback.c:1587
 writeback_sb_inodes+0xb45/0x18c0 fs/fs-writeback.c:1865
 __writeback_inodes_wb+0x125/0x420 fs/fs-writeback.c:1936
 wb_writeback+0x450/0x7a0 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+0xb5f/0xf10 fs/fs-writeback.c:2222
 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>