diff options
author | Mathias Krause <minipli@googlemail.com> | 2012-07-12 02:46:55 -0400 |
---|---|---|
committer | Jan Kara <jack@suse.cz> | 2012-07-13 05:21:21 -0400 |
commit | 0143fc5e9f6f5aad4764801015bc8d4b4a278200 (patch) | |
tree | 98a8486a21426f9ce334ad058ffe40c4e04b231a /fs/udf | |
parent | fe685aabf7c8c9f138e5ea900954d295bf229175 (diff) |
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>
Diffstat (limited to 'fs/udf')
-rw-r--r-- | fs/udf/namei.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 18024178ac4c..c31deb382afd 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, | |||
1279 | *lenp = 3; | 1279 | *lenp = 3; |
1280 | fid->udf.block = location.logicalBlockNum; | 1280 | fid->udf.block = location.logicalBlockNum; |
1281 | fid->udf.partref = location.partitionReferenceNum; | 1281 | fid->udf.partref = location.partitionReferenceNum; |
1282 | fid->udf.parent_partref = 0; | ||
1282 | fid->udf.generation = inode->i_generation; | 1283 | fid->udf.generation = inode->i_generation; |
1283 | 1284 | ||
1284 | if (parent) { | 1285 | if (parent) { |