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kernel BUG at fs/ext4/inode.c:2624!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 678 Comm: kworker/u8:6 Not tainted 6.15.0-rc2-syzkaller-gc72692105976 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: writeback wb_workfn (flush-7:1)
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ext4_do_writepages+0x31d8/0x31dc fs/ext4/inode.c:2623
lr : ext4_do_writepages+0x31d8/0x31dc fs/ext4/inode.c:2623
sp : ffff80009ddd6a40
x29: ffff80009ddd6e40 x28: ffff80009ddd6ec0 x27: dfff800000000000
x26: ffff0000f0a7aa90 x25: ffff80009ddd73c0 x24: ffff0000cf8fc000
x23: ffff700013bbad88 x22: ffff80009ddd6c40 x21: 0000000000000000
x20: 0000004210000000 x19: 0000000000000001 x18: ffff80009ddd7994
x17: 0000000000000000 x16: ffff800080483594 x15: 0000000000000008
x14: 1ffff00013bbadb8 x13: 0000000000000000 x12: 0000000000000000
x11: ffff700013bbadc0 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c75b8000 x7 : 0000000000000000 x6 : 0000000000000080
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000000 x1 : 0000004000000000 x0 : 0000000000000000
Call trace:
 ext4_do_writepages+0x31d8/0x31dc fs/ext4/inode.c:2623 (P)
 ext4_writepages+0x1bc/0x338 fs/ext4/inode.c:2829
 do_writepages+0x2f8/0x7c4 mm/page-writeback.c:2656
 __writeback_single_inode+0x15c/0x15a4 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x650/0x1088 fs/fs-writeback.c:1976
 wb_writeback+0x3e0/0xe9c fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x38c/0x1048 fs/fs-writeback.c:2343
 process_one_work+0x810/0x1638 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x97c/0xf08 kernel/workqueue.c:3400
 kthread+0x674/0x7dc kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
Code: d4210000 97d6f9f1 d4210000 97d6f9ef (d4210000) 
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