From d292c12d0177e92f68af85e885d92c59bf51ca2f Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Fri, 26 Sep 2008 12:52:21 +0300
Subject: [PATCH] --- yaml --- r: 116212 b: refs/heads/master c:
 be2f6bd62d0d4246a9227dacbe2469e1f0eccf26 h: refs/heads/master v: v3

---
 [refs]                      | 2 +-
 trunk/fs/ubifs/lpt_commit.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index d5391d6a0f03..60adaae64833 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 63c300b68fd93a9fadc5e317d4d001b7a6985486
+refs/heads/master: be2f6bd62d0d4246a9227dacbe2469e1f0eccf26
diff --git a/trunk/fs/ubifs/lpt_commit.c b/trunk/fs/ubifs/lpt_commit.c
index 8546865a9104..eed5a0025d63 100644
--- a/trunk/fs/ubifs/lpt_commit.c
+++ b/trunk/fs/ubifs/lpt_commit.c
@@ -1089,6 +1089,8 @@ static int is_a_node(struct ubifs_info *c, uint8_t *buf, int len)
 	int pos = 0, node_type, node_len;
 	uint16_t crc, calc_crc;
 
+	if (len < UBIFS_LPT_CRC_BYTES + (UBIFS_LPT_TYPE_BITS + 7) / 8)
+		return 0;
 	node_type = ubifs_unpack_bits(&addr, &pos, UBIFS_LPT_TYPE_BITS);
 	if (node_type == UBIFS_LPT_NOT_A_NODE)
 		return 0;