EXT4-fs (loop2): free_blocks=2415919104
EXT4-fs (loop2): dirty_blocks=2480
EXT4-fs (loop2): Block reservation details
EXT4-fs (loop2): i_reserved_data_blocks=154
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2609!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted 6.12.0-syzkaller-g7b1d1d4cfac0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: writeback wb_workfn (flush-7:2)
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ext4_do_writepages+0x3178/0x317c fs/ext4/inode.c:2608
lr : ext4_do_writepages+0x3178/0x317c fs/ext4/inode.c:2608
sp : ffff8000979c6b40
x29: ffff8000979c6f20 x28: ffff8000979c6fa0 x27: dfff800000000000
x26: ffff0000f2034808 x25: ffff0000f2034a28 x24: ffff0000cd196000
x23: ffff8000979c7480 x22: ffff8000979c6d20 x21: ffff700012f38da4
x20: 0000006210000000 x19: 0000000000000001 x18: 1fffe000366c3876
x17: ffff80008f8cd000 x16: ffff8000803541a4 x15: 0000000000000006
x14: 1ffff00012f38dd4 x13: 0000000000000000 x12: 0000000000000000
x11: ffff700012f38dda x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c19e0000 x7 : 0000000000000000 x6 : 0000000000000080
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000000 x1 : 0000004000000000 x0 : 0000000000000000
Call trace:
 ext4_do_writepages+0x3178/0x317c fs/ext4/inode.c:2608 (P)
 ext4_do_writepages+0x3178/0x317c fs/ext4/inode.c:2608 (L)
 ext4_writepages+0x198/0x308 fs/ext4/inode.c:2813
 do_writepages+0x304/0x7cc mm/page-writeback.c:2683
 __writeback_single_inode+0x150/0x156c fs/fs-writeback.c:1658
 writeback_sb_inodes+0x648/0x1090 fs/fs-writeback.c:1954
 wb_writeback+0x3ec/0xf0c fs/fs-writeback.c:2134
 wb_do_writeback fs/fs-writeback.c:2281 [inline]
 wb_workfn+0x38c/0x104c fs/fs-writeback.c:2321
 process_one_work+0x7bc/0x1600 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3391
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
Code: d4210000 97d5ac5a d4210000 97d5ac58 (d4210000) 
---[ end trace 0000000000000000 ]---