ÿ¬D[kÁwitness: lock order reversal:
 1st 0xfffffd807f7d6628 fdlock (&newfdp->fd_fd.fd_lock)
 2nd 0xfffffd806f8ebe78 inode (&ip->i_lock)
lock order data w2 -> w1 missing
lock order data w1 -> w2 missing
Stopped at      db_enter+0x18:  addq    $0x8,%rsp