Messages in this thread Patch in this message | | | From | Mathias Krause <> | Subject | [PATCH 2/2] udf: avoid info leak on export | Date | Thu, 12 Jul 2012 08:46:55 +0200 |
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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> --- fs/udf/namei.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 1802417..c31deb3 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) { -- 1.7.10.4
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