From 945bd9a63198fe5b3341723648dde8a6ebcbe472 Mon Sep 17 00:00:00 2001
From: Lionel Sambuc <lionel@minix3.org>
Date: Tue, 19 Nov 2013 15:26:47 +0100
Subject: [PATCH] libc/sys-minix/mount.c: fix overflow

Fix a bug where a filesystem label could overflow the reserved buffer.
This was already possible with 32 bits values, but is more proeminent
with dev_t being 64 bits.

Change-Id: Idc04ed355d1dd92b7a8ce4699de832661a5c4ccd
---
 lib/libc/sys-minix/mount.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/libc/sys-minix/mount.c b/lib/libc/sys-minix/mount.c
index e9609f92b..f0ea0b8bf 100644
--- a/lib/libc/sys-minix/mount.c
+++ b/lib/libc/sys-minix/mount.c
@@ -86,7 +86,7 @@ int mountflags, srvflags;
 			free(rslabel);
 		} else {
 			if (stat(name, &statbuf) < 0) return -1;
-			sprintf(label, "fs_%04x%llx", statbuf.st_dev, statbuf.st_ino);
+			sprintf(label, "fs_%llx_%llx", statbuf.st_dev, statbuf.st_ino);
 		}
 	}
   } else {