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kernel BUG at fs/ext4/inode.c:2809!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 4167 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: writeback wb_workfn (flush-7:3)
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : ext4_do_writepages+0x39b0/0x39b4 fs/ext4/inode.c:2808
lr : ext4_do_writepages+0x39b0/0x39b4 fs/ext4/inode.c:2808
sp : ffff80009f016c80
x29: ffff80009f017060 x28: 1ffff00013e02e94 x27: ffff80009f017480
x26: dfff800000000000 x25: 1fffe000195ff0c7 x24: ffff0000f80528d8
x23: ffff700013e02e18 x22: ffff0000caffa000 x21: ffff80009f0170e0
x20: 0000004210000000 x19: 0000000000000001 x18: 0000000000000000
x17: ffff80010c9a8000 x16: ffff80008052b3c8 x15: 0000000000000008
x14: 1ffff00013e02dfc x13: 0000000000000000 x12: 0000000000000000
x11: ffff700013e02e04 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000d41b8000 x7 : 0000000000000000 x6 : 0000000000000080
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000000 x1 : 0000004000000000 x0 : 0000000000000000
Call trace:
 ext4_do_writepages+0x39b0/0x39b4 fs/ext4/inode.c:2808 (P)
 ext4_writepages+0x178/0x2a0 fs/ext4/inode.c:3025
 do_writepages+0x270/0x468 mm/page-writeback.c:2604
 __writeback_single_inode+0x15c/0x13e8 fs/fs-writeback.c:1719
 writeback_sb_inodes+0x55c/0xe40 fs/fs-writeback.c:2015
 wb_writeback+0x3cc/0xd70 fs/fs-writeback.c:2195
 wb_do_writeback fs/fs-writeback.c:2342 [inline]
 wb_workfn+0x338/0xdc0 fs/fs-writeback.c:2382
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263
 process_scheduled_works kernel/workqueue.c:3346 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3427
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
Code: aa1303e0 97c000d8 d4210000 97d8b027 (d4210000) 
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