------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:444! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 1 UID: 0 PID: 235 Comm: kworker/u8:5 Not tainted 6.15.0-rc5-syzkaller-gc32f8dc5aaf9 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: writeback wb_workfn (flush-7:0) pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_write_inode+0x700/0x704 fs/hfs/inode.c:444 lr : hfs_write_inode+0x700/0x704 fs/hfs/inode.c:444 sp : ffff80009bb57140 x29: ffff80009bb57290 x28: dfff800000000000 x27: ffff0000c65e8010 x26: dfff800000000000 x25: ffff80009bb57140 x24: ffff70001376ae28 x23: 0000000000000000 x22: 0000000000010002 x21: 0000000000000000 x20: ffff0000d585a858 x19: ffff80009bb571c0 x18: 000000003b6373a7 x17: ffff80010d12e000 x16: ffff80008ad1d588 x15: ffff70001376ae44 x14: 0000000000000000 x13: 0000000000000004 x12: 0000000000ff0100 x11: ffff0000c65e8000 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c65e8000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000006 x1 : ffff80008f7115e0 x0 : 0000000000000000 Call trace: hfs_write_inode+0x700/0x704 fs/hfs/inode.c:444 (P) write_inode fs/fs-writeback.c:1525 [inline] __writeback_single_inode+0x5ac/0x13e8 fs/fs-writeback.c:1745 writeback_sb_inodes+0x558/0xe38 fs/fs-writeback.c:1976 wb_writeback+0x3cc/0xd70 fs/fs-writeback.c:2156 wb_do_writeback fs/fs-writeback.c:2303 [inline] wb_workfn+0x338/0xdc0 fs/fs-writeback.c:2343 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 Code: 91310000 97e5e3cf 17ffffa3 97d1a5e6 (d4210000) ---[ end trace 0000000000000000 ]---