Commit 0143fc5e authored Jul 12, 2012 by Mathias Krause Committed by Jan Kara Jul 13, 2012

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 <minipli@googlemail.com>
Signed-off-by: Jan Kara <jack@suse.cz>

parent fe685aab

fs/udf/namei.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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) {