------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:449! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 234 Comm: kworker/u4:4 Not tainted 6.1.140-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: writeback wb_workfn (flush-7:5) pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_write_inode+0x87c/0x880 fs/hfs/inode.c:449 lr : hfs_write_inode+0x87c/0x880 fs/hfs/inode.c:449 sp : ffff800020bb71c0 x29: ffff800020bb7300 x28: 1fffe0001ff1ba06 x27: dfff800000000000 x26: dfff800000000000 x25: ffff800020bb71c0 x24: ffff700004176e38 x23: ffff800011bcbfc0 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000ff8dcf58 x19: ffff800020bb7240 x18: 0000000000000000 x17: ffff8000181a0000 x16: ffff8000082e7458 x15: 0000000000000000 x14: 0000000000000004 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff00800008f920e0 x10: 0000000000000000 x9 : ffff800008f920e0 x8 : ffff0000c9c48000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000006 x1 : ffff80001542e3e0 x0 : 0000000000000000 Call trace: hfs_write_inode+0x87c/0x880 fs/hfs/inode.c:449 write_inode fs/fs-writeback.c:1460 [inline] __writeback_single_inode+0x5e0/0x157c fs/fs-writeback.c:1677 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 __writeback_inodes_wb+0x110/0x394 fs/fs-writeback.c:1974 wb_writeback+0x414/0xfb0 fs/fs-writeback.c:2079 wb_check_background_flush fs/fs-writeback.c:2145 [inline] wb_do_writeback fs/fs-writeback.c:2233 [inline] wb_workfn+0xac0/0xd98 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:864 Code: aa1403e0 97e50efd 17ffff9c 97d43e01 (d4210000) ---[ end trace 0000000000000000 ]---