Btrfs devel - Apr 2014 - [PATCH 1/2] Btrfs-progs: set string end sing '\0' for property

Set string "xattr_name" 's end with '\0' so that it
won't be
violated in memory.

With this fix, xfstest/btrfs/048 can pass on my box.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
---
 props.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/props.c b/props.c
index 4d0aeea..53223a3 100644
--- a/props.c
+++ b/props.c
@@ -135,6 +135,7 @@ static int prop_compression(enum prop_object_type type,
 	}
 	memcpy(xattr_name, XATTR_BTRFS_PREFIX, XATTR_BTRFS_PREFIX_LEN);
 	memcpy(xattr_name + XATTR_BTRFS_PREFIX_LEN, name, strlen(name));
+	xattr_name[XATTR_BTRFS_PREFIX_LEN + strlen(name)] = '\0';
 
 	if (value)
 		sret = fsetxattr(fd, xattr_name, value, strlen(value), 0);
-- 
1.8.2.1

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