xfs_repair: set args.geo in dir2_kill_block

This path in xfs_repair:

dir2_kill_block

	libxfs_da_shrink_inode
		xfs_dir2_shrink_inode
			xfs_dir2_db_to_da

segfaults, because dir2_kill_block() does not initialize args.geo, and a null geometry winds up in xfs_dir2_db_to_da(), which dereferences it.

Fix that.

Signed-off-by Eric Sandeen <[email protected]>

---

repair/phase6.c +1 -0

index de445c6..0c952ed 100644
@@ -1438,6 +1438,7 @@ dir2_kill_block(
 	args.firstblock = &firstblock;
 	args.flist = &flist;
 	args.whichfork = XFS_DATA_FORK;
+	args.geo = mp->m_dir_geo;
 	if (da_bno >= mp->m_dir_geo->leafblk && da_bno < mp->m_dir_geo->freeblk)
 		error = -libxfs_da_shrink_inode(&args, da_bno, bp);
 	else

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