------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2762! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 1353 Comm: kworker/u4:3 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 Workqueue: writeback wb_workfn (flush-7:5) pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_writepages+0x28f8/0x28fc fs/ext4/inode.c:2761 lr : ext4_writepages+0x28f8/0x28fc fs/ext4/inode.c:2761 sp : ffff800024386fc0 x29: ffff8000243872c0 x28: ffff700004870e1c x27: ffff0000f52ba2f0 x26: ffff0000f52ba0c8 x25: dfff800000000000 x24: ffff8000243870e0 x23: ffff0000dd0da000 x22: ffff800024387690 x21: 1ffff00004870ed2 x20: 0000008410000000 x19: 0000000000000001 x18: 1fffe00033e7277e x17: ffff80001537d000 x16: ffff8000082dba2c x15: 0000000000000000 x14: 0000000000000005 x13: 1ffff00002a70071 x12: 00000000c1bfe9aa x11: ff00800008d9a0d0 x10: 0000000000000000 x9 : ffff800008d9a0d0 x8 : ffff0000cea20000 x7 : ffff800008d97988 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000001 x2 : 0000000000000000 x1 : 0000008000000000 x0 : 0000000000000000 Call trace: ext4_writepages+0x28f8/0x28fc fs/ext4/inode.c:2761 do_writepages+0x2c4/0x50c mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1622 writeback_sb_inodes+0x870/0x1470 fs/fs-writeback.c:1913 wb_writeback+0x40c/0xfdc 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+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 Code: d4210000 97dc6161 d4210000 97dc615f (d4210000) ---[ end trace 0000000000000000 ]---