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From: Thomas Jarosch <thomas.jarosch@intra2net.com>
To: Christoph Lameter <cl@linux.com>
Cc: linux-kernel@vger.kernel.org
Subject: [slabinfo PATCH] Fix off-by-one after readlink() call
Date: Fri, 14 Oct 2011 18:56:20 +0200	[thread overview]
Message-ID: <4E9869B4.6080702@intra2net.com> (raw)


Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
---
 tools/slub/slabinfo.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/slub/slabinfo.c b/tools/slub/slabinfo.c
index 868cc93..cc1a378 100644
--- a/tools/slub/slabinfo.c
+++ b/tools/slub/slabinfo.c
@@ -1145,7 +1145,7 @@ static void read_slab_dir(void)
 		switch (de->d_type) {
 		   case DT_LNK:
 			alias->name = strdup(de->d_name);
-			count = readlink(de->d_name, buffer, sizeof(buffer));
+			count = readlink(de->d_name, buffer, sizeof(buffer)-1);
 
 			if (count < 0)
 				fatal("Cannot read symlink %s\n", de->d_name);
-- 
1.7.6.4


             reply	other threads:[~2011-10-14 17:28 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-14 16:56 Thomas Jarosch [this message]
2011-10-14 17:16 ` [slabinfo PATCH] Fix off-by-one after readlink() call Christoph Lameter
2011-10-14 17:26   ` Thomas Jarosch
2011-10-14 17:57     ` Christoph Lameter
2011-10-14 19:53     ` David Rientjes
2011-10-17  7:16       ` Pekka Enberg
2011-10-17 14:48         ` [slabinfo PATCH v2] Fix off-by-one buffer corruption " Thomas Jarosch

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