------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:456! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 1 UID: 0 PID: 301 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-7:2) pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : hfs_write_inode+0x78c/0x7b8 fs/hfs/inode.c:456 lr : hfs_write_inode+0x78c/0x7b8 fs/hfs/inode.c:456 sp : ffff80009c597120 x29: ffff80009c597270 x28: dfff800000000000 x27: 0000000000000070 x26: dfff800000000000 x25: ffff80009c597120 x24: ffff7000138b2e24 x23: ffff80008f86e7e8 x22: ffff0000c69c9c90 x21: 0000000000000000 x20: ffff0000decd8158 x19: ffff80009c5971a0 x18: 00000000ffffffff x17: ffff800093598000 x16: ffff80008af01148 x15: ffff7000138b2e40 x14: 0000000000000000 x13: 0000000000000004 x12: 0000000000ff0100 x11: ffff0000c69c9c80 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c69c9c80 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000006 x1 : ffff80008fc83840 x0 : 0000000000000000 Call trace: hfs_write_inode+0x78c/0x7b8 fs/hfs/inode.c:456 (P) write_inode fs/fs-writeback.c:1582 [inline] __writeback_single_inode+0x6b0/0x16b8 fs/fs-writeback.c:1802 writeback_sb_inodes+0x73c/0x16b4 fs/fs-writeback.c:2030 wb_writeback+0x3b4/0xd70 fs/fs-writeback.c:2216 wb_do_writeback fs/fs-writeback.c:2363 [inline] wb_workfn+0x320/0xdc0 fs/fs-writeback.c:2403 process_one_work+0x7c0/0x1558 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3421 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 Code: 37f000b5 97cf56e5 17fffe4e 97cf56e3 (d4210000) ---[ end trace 0000000000000000 ]---