diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_inode_fork.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_inode_fork.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c index 222e103356c6..8a37efe04de3 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.c +++ b/fs/xfs/libxfs/xfs_inode_fork.c @@ -26,12 +26,15 @@ #include "xfs_inode.h" #include "xfs_trans.h" #include "xfs_inode_item.h" +#include "xfs_btree.h" #include "xfs_bmap_btree.h" #include "xfs_bmap.h" #include "xfs_error.h" #include "xfs_trace.h" #include "xfs_attr_sf.h" #include "xfs_da_format.h" +#include "xfs_da_btree.h" +#include "xfs_dir2_priv.h" kmem_zone_t *xfs_ifork_zone; @@ -209,6 +212,16 @@ xfs_iformat_fork( if (error) return error; + /* Check inline dir contents. */ + if (S_ISDIR(VFS_I(ip)->i_mode) && + dip->di_format == XFS_DINODE_FMT_LOCAL) { + error = xfs_dir2_sf_verify(ip); + if (error) { + xfs_idestroy_fork(ip, XFS_DATA_FORK); + return error; + } + } + if (xfs_is_reflink_inode(ip)) { ASSERT(ip->i_cowfp == NULL); xfs_ifork_init_cow(ip); @@ -319,7 +332,6 @@ xfs_iformat_local( int whichfork, int size) { - /* * If the size is unreasonable, then something * is wrong and we just bail out rather than crash in @@ -429,11 +441,13 @@ xfs_iformat_btree( /* REFERENCED */ int nrecs; int size; + int level; ifp = XFS_IFORK_PTR(ip, whichfork); dfp = (xfs_bmdr_block_t *)XFS_DFORK_PTR(dip, whichfork); size = XFS_BMAP_BROOT_SPACE(mp, dfp); nrecs = be16_to_cpu(dfp->bb_numrecs); + level = be16_to_cpu(dfp->bb_level); /* * blow out if -- fork has less extents than can fit in @@ -446,7 +460,8 @@ xfs_iformat_btree( XFS_IFORK_MAXEXT(ip, whichfork) || XFS_BMDR_SPACE_CALC(nrecs) > XFS_DFORK_SIZE(dip, mp, whichfork) || - XFS_IFORK_NEXTENTS(ip, whichfork) > ip->i_d.di_nblocks)) { + XFS_IFORK_NEXTENTS(ip, whichfork) > ip->i_d.di_nblocks) || + level == 0 || level > XFS_BTREE_MAXLEVELS) { xfs_warn(mp, "corrupt inode %Lu (btree).", (unsigned long long) ip->i_ino); XFS_CORRUPTION_ERROR("xfs_iformat_btree", XFS_ERRLEVEL_LOW, @@ -497,15 +512,14 @@ xfs_iread_extents( * We know that the size is valid (it's checked in iformat_btree) */ ifp->if_bytes = ifp->if_real_bytes = 0; - ifp->if_flags |= XFS_IFEXTENTS; xfs_iext_add(ifp, 0, nextents); error = xfs_bmap_read_extents(tp, ip, whichfork); if (error) { xfs_iext_destroy(ifp); - ifp->if_flags &= ~XFS_IFEXTENTS; return error; } xfs_validate_extents(ifp, nextents, XFS_EXTFMT_INODE(ip)); + ifp->if_flags |= XFS_IFEXTENTS; return 0; } /* |