xfs: initialize the shortform attr header padding entry (125eac24) · Commits · 戴 / test

Don't leak kernel memory contents into the shortform attr fork. Signed-off-by:

fs/xfs/libxfs/xfs_attr_leaf.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -653,8 +653,8 @@ xfs_attr_shortform_create(
		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);
		}