From: Jon Tollefson <kniht@linux.vnet.ibm.com>
Date: Tue, 13 Nov 2012 18:26:53 +0000 (+0100)
Subject: ash: fix a memory leak
X-Git-Tag: 1_21_0~44
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=4ba6c5d3ba3d2c7922aff6b5c2e73b8325f1cf17;p=oweals%2Fbusybox.git

ash: fix a memory leak

The script which triggers the leak:

while true
  do
    while true
      do
        break;
    done</dev/null
done

Signed-off-by: Jon Tollefson <kniht@linux.vnet.ibm.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/shell/ash.c b/shell/ash.c
index 010924db4..dda18e8b5 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -8676,6 +8676,8 @@ expredir(union node *n)
 #if ENABLE_ASH_BASH_COMPAT
  store_expfname:
 #endif
+			if (redir->nfile.expfname)
+				stunalloc(redir->nfile.expfname);
 			redir->nfile.expfname = fn.list->text;
 			break;
 		case NFROMFD: