From: Andreas Schwab <schwab@linux-m68k.org>
Date: Wed, 21 Apr 2021 12:27:21 +0000 (+0200)
Subject: Fix argv overrun in getconf (bug 27761)
X-Git-Tag: glibc-2.34~637
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b59c6989814f7ac966ee702789b34f32a1439aaf;p=thirdparty%2Fglibc.git

Fix argv overrun in getconf (bug 27761)

Correct argument counter accounting when processing the -v option with the
argument directly attached.
---

diff --git a/posix/getconf.c b/posix/getconf.c
index efc9623b3bb..4dccc9cbf2a 100644
--- a/posix/getconf.c
+++ b/posix/getconf.c
@@ -519,7 +519,7 @@ environment SPEC.\n\n"));
       else
 	{
 	  argv += 1;
-	  argc += 1;
+	  argc -= 1;
 	}
     }
 #else
@@ -544,7 +544,7 @@ environment SPEC.\n\n"));
 	{
 	  spec = &argv[1][2];
 	  argv += 1;
-	  argc += 1;
+	  argc -= 1;
 	}
     }
   else