From: Ben Pfaff <blp@cs.stanford.edu>
Date: Tue, 2 Aug 2022 00:25:49 +0000 (-0700)
Subject: FREQUENCIES: Fix use-after-free error.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pspp;a=commitdiff_plain;h=a8104edb824e61d70ed2b7314be80e860a5f2002

FREQUENCIES: Fix use-after-free error.
---

diff --git a/src/language/stats/frequencies.c b/src/language/stats/frequencies.c
index 307a869ba2..a851c21960 100644
--- a/src/language/stats/frequencies.c
+++ b/src/language/stats/frequencies.c
@@ -1244,9 +1244,9 @@ cmd_frequencies (struct lexer *lexer, struct dataset *ds)
  error:
 
   free (vars);
-  free (frq.vars);
   for (size_t i = 0; i < frq.n_vars; i++)
     free (frq.vars[i].percentiles);
+  free (frq.vars);
   free (frq.bar);
   free (frq.pie);
   free (frq.hist);