------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2624!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 617 Comm: kworker/u8:8 Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: writeback wb_workfn (flush-7:4)
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ext4_do_writepages+0x3300/0x3304 fs/ext4/inode.c:2623
lr : ext4_do_writepages+0x3300/0x3304 fs/ext4/inode.c:2623
sp : ffff80009ca36bc0
x29: ffff80009ca36f80 x28: ffff80009ca37000 x27: 0000000004208060
x26: ffff0000e9ae5c18 x25: 1fffe00018e078c7 x24: dfff800000000000
x23: dfff800000000000 x22: ffff0000c7038000 x21: ffff80009ca37460
x20: 0000006210000000 x19: 0000000000000001 x18: 1fffe0003386f276
x17: ffff80008f31e000 x16: ffff80008051c10c x15: 0000000000000008
x14: 1ffff00013946de0 x13: 0000000000000000 x12: 0000000000000000
x11: ffff700013946de8 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c7805b80 x7 : 0000000000000000 x6 : 0000000000000080
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000000 x1 : 0000004000000000 x0 : 0000000000000000
Call trace:
 ext4_do_writepages+0x3300/0x3304 fs/ext4/inode.c:2623 (P)
 ext4_writepages+0x174/0x29c fs/ext4/inode.c:2829
 do_writepages+0x2c0/0x6a8 mm/page-writeback.c:2656
 __writeback_single_inode+0x15c/0x13e8 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x558/0xe38 fs/fs-writeback.c:1976
 wb_writeback+0x3cc/0xd70 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x338/0xdc0 fs/fs-writeback.c:2343
 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847
Code: d4210000 97da05a0 d4210000 97da059e (d4210000) 
---[ end trace 0000000000000000 ]---