From 0143fc5e9f6f5aad4764801015bc8d4b4a278200 Mon Sep 17 00:00:00 2001 From: Mathias Krause Date: Thu, 12 Jul 2012 08:46:55 +0200 Subject: udf: avoid info leak on export For type 0x51 the udf.parent_partref member in struct fid gets copied uninitialized to userland. Fix this by initializing it to 0. Signed-off-by: Mathias Krause Signed-off-by: Jan Kara --- fs/udf/namei.c | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/udf') diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 18024178ac4..c31deb382af 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -1279,6 +1279,7 @@ static int udf_encode_fh(struct inode *inode, __u32 *fh, int *lenp, *lenp = 3; fid->udf.block = location.logicalBlockNum; fid->udf.partref = location.partitionReferenceNum; + fid->udf.parent_partref = 0; fid->udf.generation = inode->i_generation; if (parent) { -- cgit v1.2.3-18-g5258