Messages in this thread Patch in this message | | | Date | Tue, 04 Jun 2013 19:23:44 +0200 | From | Willy Tarreau <> | Subject | [ 134/184] udf: avoid info leak on export |
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2.6.32-longterm review patch. If anyone has any objections, please let me know.
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From: Mathias Krause <minipli@googlemail.com>
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> Cc: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Willy Tarreau <w@1wt.eu> --- fs/udf/namei.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 21dad8c..b754151 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -1331,6 +1331,7 @@ 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)) { -- 1.7.12.2.21.g234cd45.dirty
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