slsqp: check p>n

Closes #592
stevengj · Feb 17, 2025 · 650b84f · 650b84f
1 parent 128b04c
commit 650b84f
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/algs/slsqp/slsqp.c b/src/algs/slsqp/slsqp.c
@@ -2459,6 +2459,12 @@ nlopt_result nlopt_slsqp(unsigned n, nlopt_func f, void *f_data,
      unsigned max_cdim;
      int want_grad = 1;
 
+     if (p > n)
+     {
+       nlopt_stop_msg(stop, "slsqp: more equality constraints than variables");
+       return NLOPT_INVALID_ARGS;
+     }
+
      max_cdim = MAX2(nlopt_max_constraint_dim(m, fc),
 		    nlopt_max_constraint_dim(p, h));
      length_work(&len_w, &len_jw, mpi, pi, ni);