grub2/backport-util-grub-fstest-Fix-resource-leaks-in-cmd_cmp.patch

From 53f08de12bfdd10207a8e6a062c9778f5ab6df87 Mon Sep 17 00:00:00 2001
From: Darren Kenny <darren.kenny@oracle.com>
Date: Tue, 26 Oct 2021 15:02:37 +0000
Subject: util/grub-fstest: Fix resource leaks in cmd_cmp()

In the function cmd_cmp() within the while loop, srcnew and destnew are
being allocated but are never freed either before leaving scope or in
the recursive calls being made to cmd_cmp().

Fixes: CID 314032
Fixes: CID 314045

Signed-off-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

Conflict: NA
Reference: https://git.savannah.gnu.org/cgit/grub.git/commit?id=53f08de12bfdd10207a8e6a062c9778f5ab6df87

---
 util/grub-fstest.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/util/grub-fstest.c b/util/grub-fstest.c
index 8386564..486f1dc 100644
--- a/util/grub-fstest.c
+++ b/util/grub-fstest.c
@@ -300,9 +300,15 @@ cmd_cmp (char *src, char *dest)
 	  strcpy (ptr, entry->d_name);
 
 	  if (grub_util_is_special_file (destnew))
-	    continue;
+	    {
+	      free (srcnew);
+	      free (destnew);
+	      continue;
+	    }
 
 	  cmd_cmp (srcnew, destnew);
+	  free (srcnew);
+	  free (destnew);
 	}
       grub_util_fd_closedir (dir);
       return;
-- 
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