------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2760! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4477 Comm: kworker/u4:8 Not tainted 6.1.146-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: writeback wb_workfn (flush-7:1) pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_writepages+0x2848/0x284c fs/ext4/inode.c:2759 lr : ext4_writepages+0x2848/0x284c fs/ext4/inode.c:2759 sp : ffff800021256f00 x29: ffff800021257220 x28: ffff0000e07bacf8 x27: dfff800000000000 x26: ffff0000e07baad0 x25: ffff0000e07baaf8 x24: ffff70000424ae08 x23: ffff0000e07baeb0 x22: ffff800021257610 x21: ffff0000cb7fa000 x20: 0000008410000000 x19: 0000000000000001 x18: ffff800011aabce0 x17: ffff80018a6c9000 x16: ffff8000082d0f50 x15: 0000000000000000 x14: 0000000000000012 x13: 1ffff00002a160b1 x12: 0000000000ff0100 x11: ff00800008d6f0e8 x10: 0000000000000000 x9 : ffff800008d6f0e8 x8 : ffff0000de908000 x7 : ffff800008d6ca28 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000001 x2 : 0000000000000000 x1 : 0000008000000000 x0 : 0000000000000000 Call trace: ext4_writepages+0x2848/0x284c fs/ext4/inode.c:2759 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849 Code: d4210000 97dccac2 d4210000 97dccac0 (d4210000) ---[ end trace 0000000000000000 ]---