------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:455! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 3882 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: writeback wb_workfn (flush-7:1) pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : hfs_write_inode+0x774/0x794 fs/hfs/inode.c:455 lr : hfs_write_inode+0x774/0x794 fs/hfs/inode.c:455 sp : ffff8000a1807160 x29: ffff8000a18072b0 x28: dfff800000000000 x27: ffff0000d2bd3d90 x26: dfff800000000000 x25: ffff8000a1807160 x24: ffff700014300e2c x23: 0000000000000000 x22: 0000000000020002 x21: 0000000000000000 x20: ffff0000c92a0e58 x19: ffff8000a18071e0 x18: 00000000ffffffff x17: ffff800093303000 x16: ffff80008ad5f288 x15: ffff700014300e48 x14: 0000000000000000 x13: 0000000000000004 x12: 0000000000ff0100 x11: ffff0000d2bd3d80 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d2bd3d80 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000006 x1 : ffff80008f98e100 x0 : 0000000000000000 Call trace: hfs_write_inode+0x774/0x794 fs/hfs/inode.c:455 (P) write_inode fs/fs-writeback.c:1564 [inline] __writeback_single_inode+0x5ac/0x13e8 fs/fs-writeback.c:1784 writeback_sb_inodes+0x55c/0xe40 fs/fs-writeback.c:2015 wb_writeback+0x3cc/0xd70 fs/fs-writeback.c:2195 wb_do_writeback fs/fs-writeback.c:2342 [inline] wb_workfn+0x338/0xdc0 fs/fs-writeback.c:2382 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3427 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 Code: 528036e4 9472ac26 17fffe54 97cfff5f (d4210000) ---[ end trace 0000000000000000 ]---