diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2020-08-26 14:12:18 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-23 10:46:27 +0200 |
| commit | 114436301bf48f7d5b8eab73b9885faab0b7cbfc (patch) | |
| tree | 30000e7435112cfc270a4861f758220c65084865 /fs/xfs/libxfs | |
| parent | 479fb037277d2fec63df3a8ae6492206c3e771a8 (diff) | |
xfs: initialize the shortform attr header padding entry
[ Upstream commit 125eac243806e021f33a1fdea3687eccbb9f7636 ]
Don't leak kernel memory contents into the shortform attr fork.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs/xfs/libxfs')
| -rw-r--r-- | fs/xfs/libxfs/xfs_attr_leaf.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c index 73a541755d5b..299d17b088e2 100644 --- a/fs/xfs/libxfs/xfs_attr_leaf.c +++ b/fs/xfs/libxfs/xfs_attr_leaf.c @@ -520,8 +520,8 @@ xfs_attr_shortform_create(xfs_da_args_t *args) ASSERT(ifp->if_flags & XFS_IFINLINE); } xfs_idata_realloc(dp, sizeof(*hdr), XFS_ATTR_FORK); - hdr = (xfs_attr_sf_hdr_t *)ifp->if_u1.if_data; - hdr->count = 0; + hdr = (struct xfs_attr_sf_hdr *)ifp->if_u1.if_data; + memset(hdr, 0, sizeof(*hdr)); hdr->totsize = cpu_to_be16(sizeof(*hdr)); xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_ADATA); } |