------------[ cut here ]------------
WARNING: CPU: 0 PID: 1130 at fs/netfs/write_issue.c:586 netfs_writepages+0x772/0x9e0 fs/netfs/write_issue.c:586
Modules linked in:
CPU: 0 UID: 0 PID: 1130 Comm: kworker/u4:10 Not tainted 6.14.0-rc4-syzkaller-00199-g76544811c850 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: writeback wb_workfn (flush-9p-1)
RIP: 0010:netfs_writepages+0x772/0x9e0 fs/netfs/write_issue.c:586
Code: f2 48 8d 8c 24 90 00 00 00 e8 9a 7e 89 ff 48 85 c0 0f 84 f2 00 00 00 48 89 c3 e8 a9 bc 4d ff e9 3e fe ff ff e8 9f bc 4d ff 90 <0f> 0b 90 e9 9d fe ff ff e8 91 bc 4d ff 4c 89 e7 be 08 00 00 00 e8
RSP: 0018:ffffc9000286f000 EFLAGS: 00010293
RAX: ffffffff827402a1 RBX: 810f000000000000 RCX: ffff888035f38000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 810f000000000000
RBP: ffffc9000286f0f0 R08: ffffffff82740139 R09: 1ffff110065ca8c6
R10: dffffc0000000000 R11: ffffed10065ca8c7 R12: ffff888032e54660
R13: dffffc0000000000 R14: ffffea000107d100 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c5cb81bfa0 CR3: 00000000426d6000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x35f/0x880 mm/page-writeback.c:2687
 __writeback_single_inode+0x14f/0x10d0 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x820/0x1360 fs/fs-writeback.c:1976
 __writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:2047
 wb_writeback+0x427/0xb80 fs/fs-writeback.c:2158
 wb_check_start_all fs/fs-writeback.c:2284 [inline]
 wb_do_writeback fs/fs-writeback.c:2310 [inline]
 wb_workfn+0x973/0x1080 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>