Commit 125eac24 authored by Darrick J. Wong's avatar Darrick J. Wong

xfs: initialize the shortform attr header padding entry

Don't leak kernel memory contents into the shortform attr fork.
Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarEric Sandeen <sandeen@redhat.com>
Reviewed-by: default avatarDave Chinner <dchinner@redhat.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
parent f4020438
...@@ -653,8 +653,8 @@ xfs_attr_shortform_create( ...@@ -653,8 +653,8 @@ xfs_attr_shortform_create(
ASSERT(ifp->if_flags & XFS_IFINLINE); ASSERT(ifp->if_flags & XFS_IFINLINE);
} }
xfs_idata_realloc(dp, sizeof(*hdr), XFS_ATTR_FORK); xfs_idata_realloc(dp, sizeof(*hdr), XFS_ATTR_FORK);
hdr = (xfs_attr_sf_hdr_t *)ifp->if_u1.if_data; hdr = (struct xfs_attr_sf_hdr *)ifp->if_u1.if_data;
hdr->count = 0; memset(hdr, 0, sizeof(*hdr));
hdr->totsize = cpu_to_be16(sizeof(*hdr)); hdr->totsize = cpu_to_be16(sizeof(*hdr));
xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_ADATA); xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_ADATA);
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment