From 6405534814f04899890a2d932db9a4985fd772fe Mon Sep 17 00:00:00 2001
From: Paul Smith <psmith@gnu.org>
Date: Sun, 26 Feb 2012 21:34:51 +0000
Subject: Check for possible buffer overflow on very long filenames. Fixes
 Savannah bug #35525

---
 implicit.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'implicit.c')

diff --git a/implicit.c b/implicit.c
index 96c7b2b..c5f7481 100644
--- a/implicit.c
+++ b/implicit.c
@@ -488,6 +488,13 @@ pattern_search (struct file *file, int archive,
               dir = pathdir;
             }
 
+          if (stemlen > GET_PATH_MAX)
+            {
+              DBS (DB_IMPLICIT, (_("Stem too long: `%.*s'.\n"),
+                                 (int) stemlen, stem));
+              continue;
+            }
+
           DBS (DB_IMPLICIT, (_("Trying pattern rule with stem `%.*s'.\n"),
                              (int) stemlen, stem));
 
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