------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2734!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4160 Comm: kworker/u4:3 Not tainted 5.15.186-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: writeback wb_workfn (flush-7:3)
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ext4_writepages+0x2b60/0x2c14 fs/ext4/inode.c:2733
lr : ext4_writepages+0x2b60/0x2c14 fs/ext4/inode.c:2733
sp : ffff800020e16ee0
x29: ffff800020e17200 x28: ffff0000d40ce650 x27: ffff800020e175f0
x26: dfff800000000000 x25: 0000000000000001 x24: ffff0000d40ce878
x23: ffff800020e17610 x22: ffff0000d8e1e000 x21: ffff0000d8e1e000
x20: ffff0000d40ce400 x19: 0000008410000000 x18: 0000000000000000
x17: ffff800016d15000 x16: ffff8000082bf708 x15: ffff8000167f5500
x14: ffff0000cdaa5bc0 x13: ffff0000cdaa5c10 x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008cc8964
x8 : ffff0000cdaa51c0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000001
x2 : 0000000000000000 x1 : 0000008000000000 x0 : 0000000000000000
Call trace:
 ext4_writepages+0x2b60/0x2c14 fs/ext4/inode.c:2733
 do_writepages+0x36c/0x578 mm/page-writeback.c:2386
 __writeback_single_inode+0x148/0x11f0 fs/fs-writeback.c:1647
 writeback_sb_inodes+0x7fc/0x1378 fs/fs-writeback.c:1930
 wb_writeback+0x3d8/0xe44 fs/fs-writeback.c:2104
 wb_do_writeback fs/fs-writeback.c:2247 [inline]
 wb_workfn+0x350/0xdd8 fs/fs-writeback.c:2288
 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310
 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:855
Code: f94057f4 f94063f6 17fffe3d 97dec63f (d4210000) 
---[ end trace a5904d1ad8a6fbb0 ]---