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kernel BUG at fs/ext4/inode.c:2760!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 1813 Comm: kworker/u4:5 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
Workqueue: writeback wb_workfn (flush-7:3)
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : ext4_writepages+0x28b0/0x28b4 fs/ext4/inode.c:2759
lr : ext4_writepages+0x28b0/0x28b4 fs/ext4/inode.c:2759
sp : ffff800025ad6f00
x29: ffff800025ad7220
 x28: dfff800000000000
 x27: dfff800000000000
x26: ffff0000ea83a0c8 x25: ffff0000ea83a0f0 x24: ffff700004b5ae08
x23: ffff0000ea83a4a8 x22: ffff800025ad7610 x21: ffff0000d72ac000
x20: 000000c410000000
 x19: 0000000000000001
 x18: 000000008441d4aa
x17: dfff800000000000 x16: ffff8000082d7db8 x15: 0000000000000000
x14: 0000000000000005 x13: 1ffff00002a44071 x12: 0000000000ff0100
x11: ff00800008d87be4 x10: 0000000000000000 x9 : ffff800008d87be4
x8 : ffff0000d0d91bc0 x7 : ffff800008d854ec x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000001
x2 : 0000000000000000 x1 : 0000008000000000 x0 : 0000000000000000
Call trace:
 ext4_writepages+0x28b0/0x28b4 fs/ext4/inode.c:2759
 do_writepages+0x2b0/0x504 mm/page-writeback.c:2491
 __writeback_single_inode+0x164/0x1554 fs/fs-writeback.c:1622
 writeback_sb_inodes+0x858/0x143c fs/fs-writeback.c:1913
 wb_writeback+0x414/0xfcc fs/fs-writeback.c:2087
 wb_do_writeback fs/fs-writeback.c:2230 [inline]
 wb_workfn+0x360/0xe18 fs/fs-writeback.c:2270
 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292
 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
Code: d4210000 97dc8e70 d4210000 97dc8e6e (d4210000) 
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