diff options
| author | Mathias Krause <minipli@googlemail.com> | 2012-07-12 08:46:55 +0200 |
|---|---|---|
| committer | Paul Gortmaker <paul.gortmaker@windriver.com> | 2014-02-10 16:11:32 -0500 |
| commit | cd50b96209b07d1e650f037dcdcb5ceb862c4445 (patch) | |
| tree | ca8ef5e7e0a70fcc5bc704b797963faf873a5e5a | |
| parent | 3cb827b381dc2aace21720eaef0dee832f3ffd46 (diff) | |
udf: avoid info leak on export
commit 0143fc5e9f6f5aad4764801015bc8d4b4a278200 upstream.
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>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
| -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 75816025f95..919fa1e5f76 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -1366,6 +1366,7 @@ static int udf_encode_fh(struct dentry *de, __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 (connectable && !S_ISDIR(inode->i_mode)) { |