Author: hwright Date: Wed Oct 19 17:28:55 2011 New Revision: 1186359 URL: http://svn.apache.org/viewvc?rev=1186359&view=rev Log: Merge r1186121, r1186231 from trunk:
* r1186121, r1186231 FSFS: Fix validation so it doesn't hork preexisting repositories that triggered a bug once in their history. Justification: Such repositories are unusable by 1.7.x without this revision. Either this must be backported to 1.7.1 or r1186144 must be undone. Votes: +1: danielsh, stsp, philip Modified: subversion/branches/1.7.x/ (props changed) subversion/branches/1.7.x/STATUS subversion/branches/1.7.x/subversion/libsvn_fs_fs/fs_fs.c subversion/branches/1.7.x/subversion/libsvn_fs_fs/tree.c subversion/branches/1.7.x/subversion/libsvn_fs_fs/tree.h Propchange: subversion/branches/1.7.x/ ------------------------------------------------------------------------------ --- svn:mergeinfo (original) +++ svn:mergeinfo Wed Oct 19 17:28:55 2011 @@ -65,4 +65,4 @@ /subversion/branches/tree-conflicts:868291-873154 /subversion/branches/tree-conflicts-notify:873926-874008 /subversion/branches/uris-as-urls:1060426-1064427 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1181155,1181215,1181609,1181666,1182115,1182527,1182904,1182909,1183054,1183263,1183347,1185222,1185242,1185280,1185282,1185730,1185911,1185918,1186121,1186231 Modified: subversion/branches/1.7.x/STATUS URL: http://svn.apache.org/viewvc/subversion/branches/1.7.x/STATUS?rev=1186359&r1=1186358&r2=1186359&view=diff ============================================================================== --- subversion/branches/1.7.x/STATUS (original) +++ subversion/branches/1.7.x/STATUS Wed Oct 19 17:28:55 2011 @@ -1,19 +1,4 @@ - * * * * * * * * * * * * * * * * * * * * * * * * * * * * - * * - * THIS RELEASE STREAM IS OPEN TO BUG FIXES. * - * * - * * * * * * * * * * * * * * * * * * * * * * * * * * * * - -This file tracks the status of releases in the 1.7.x line. - -See http://subversion.apache.org/docs/community-guide/releasing.html#release-stabilization -for details on how release lines and voting work, what kinds of bugs can -delay a release, etc. - -Status of 1.7.1: - -Candidate changes: -================== + '"============= * r1147540, r1147541 Remove unused variables in build system. @@ -78,12 +63,3 @@ Veto-blocked changes: Approved changes: ================= - - * r1186121, r1186231 - FSFS: Fix validation so it doesn't hork preexisting repositories that - triggered a bug once in their history. - Justification: - Such repositories are unusable by 1.7.x without this revision. - Either this must be backported to 1.7.1 or r1186144 must be undone. - Votes: - +1: danielsh, stsp, philip Modified: subversion/branches/1.7.x/subversion/libsvn_fs_fs/fs_fs.c URL: http://svn.apache.org/viewvc/subversion/branches/1.7.x/subversion/libsvn_fs_fs/fs_fs.c?rev=1186359&r1=1186358&r2=1186359&view=diff ============================================================================== --- subversion/branches/1.7.x/subversion/libsvn_fs_fs/fs_fs.c (original) +++ subversion/branches/1.7.x/subversion/libsvn_fs_fs/fs_fs.c Wed Oct 19 17:28:55 2011 @@ -5874,17 +5874,50 @@ write_hash_rep(svn_filesize_t *size, } /* Sanity check ROOT_NODEREV, a candidate for being the root node-revision - of (not yet committed) revision REV. Use OCEAN for temporary allocations. + of (not yet committed) revision REV in FS. Use POOL for temporary + allocations. */ -static APR_INLINE svn_error_t * -validate_root_noderev(node_revision_t *root_noderev, - svn_revnum_t rev) -{ - /* Bogosity seen on svn.apache.org; see +static svn_error_t * +validate_root_noderev(svn_fs_t *fs, + node_revision_t *root_noderev, + svn_revnum_t rev, + apr_pool_t *pool) +{ + svn_revnum_t head_revnum = rev-1; + int head_predecessor_count; + + SVN_ERR_ASSERT(rev > 0); + + /* Compute HEAD_PREDECESSOR_COUNT. */ + { + svn_fs_root_t *head_revision; + const svn_fs_id_t *head_root_id; + node_revision_t *head_root_noderev; + + /* Get /@HEAD's noderev. */ + SVN_ERR(svn_fs_fs__revision_root(&head_revision, fs, head_revnum, pool)); + SVN_ERR(svn_fs_fs__node_id(&head_root_id, head_revision, "/", pool)); + SVN_ERR(svn_fs_fs__get_node_revision(&head_root_noderev, fs, head_root_id, + pool)); + + head_predecessor_count = head_root_noderev->predecessor_count; + } + + /* Check that the root noderev's predecessor count equals REV. + + This kind of corruption was seen on svn.apache.org (both on + the root noderev and on other fspaths' noderevs); see http://mid.gmane.org/20111002202833.GA12373@daniel3.local + + Normally (rev == root_noderev->predecessor_count), but here we + use a more roundabout check that should only trigger on new instances + of the corruption, rather then trigger on each and every new commit + to a repository that has triggered the bug somewhere in its root + noderev's history. */ if (root_noderev->predecessor_count != -1 - && root_noderev->predecessor_count != rev) + && (root_noderev->predecessor_count - head_predecessor_count) + != (rev - head_revnum)) { return svn_error_createf(SVN_ERR_FS_CORRUPT, NULL, _("predecessor count for " @@ -6065,7 +6098,7 @@ write_final_rev(const svn_fs_id_t **new_ /* Write out our new node-revision. */ if (at_root) - SVN_ERR(validate_root_noderev(noderev, rev)); + SVN_ERR(validate_root_noderev(fs, noderev, rev, pool)); SVN_ERR(svn_fs_fs__write_noderev(svn_stream_from_aprfile2(file, TRUE, pool), noderev, ffd->format, svn_fs_fs__fs_supports_mergeinfo(fs), Modified: subversion/branches/1.7.x/subversion/libsvn_fs_fs/tree.c URL: http://svn.apache.org/viewvc/subversion/branches/1.7.x/subversion/libsvn_fs_fs/tree.c?rev=1186359&r1=1186358&r2=1186359&view=diff ============================================================================== --- subversion/branches/1.7.x/subversion/libsvn_fs_fs/tree.c (original) +++ subversion/branches/1.7.x/subversion/libsvn_fs_fs/tree.c Wed Oct 19 17:28:55 2011 @@ -870,11 +870,11 @@ add_change(svn_fs_t *fs, /* Get the id of a node referenced by path PATH in ROOT. Return the id in *ID_P allocated in POOL. */ -static svn_error_t * -fs_node_id(const svn_fs_id_t **id_p, - svn_fs_root_t *root, - const char *path, - apr_pool_t *pool) +svn_error_t * +svn_fs_fs__node_id(const svn_fs_id_t **id_p, + svn_fs_root_t *root, + const char *path, + apr_pool_t *pool) { if ((! root->is_txn_root) && (path[0] == '\0' || ((path[0] == '/') && (path[1] == '\0')))) @@ -939,7 +939,7 @@ node_kind(svn_node_kind_t *kind_p, dag_node_t *node; /* Get the node id. */ - SVN_ERR(fs_node_id(&node_id, root, path, pool)); + SVN_ERR(svn_fs_fs__node_id(&node_id, root, path, pool)); /* Use the node id to get the real kind. */ SVN_ERR(svn_fs_fs__dag_get_node(&node, root->fs, node_id, pool)); @@ -2975,7 +2975,7 @@ fs_node_origin_rev(svn_revnum_t *revisio path = svn_fs__canonicalize_abspath(path, pool); /* Check the cache first. */ - SVN_ERR(fs_node_id(&given_noderev_id, root, path, pool)); + SVN_ERR(svn_fs_fs__node_id(&given_noderev_id, root, path, pool)); node_id = svn_fs_fs__id_node_id(given_noderev_id); /* Is it a brand new uncommitted node? */ @@ -3047,7 +3047,7 @@ fs_node_origin_rev(svn_revnum_t *revisio } /* Walk the predecessor links back to origin. */ - SVN_ERR(fs_node_id(&pred_id, curroot, lastpath->data, predidpool)); + SVN_ERR(svn_fs_fs__node_id(&pred_id, curroot, lastpath->data, predidpool)); while (pred_id) { svn_pool_clear(subpool); @@ -3682,7 +3682,7 @@ static root_vtable_t root_vtable = { fs_paths_changed, svn_fs_fs__check_path, fs_node_history, - fs_node_id, + svn_fs_fs__node_id, svn_fs_fs__node_created_rev, fs_node_origin_rev, fs_node_created_path, Modified: subversion/branches/1.7.x/subversion/libsvn_fs_fs/tree.h URL: http://svn.apache.org/viewvc/subversion/branches/1.7.x/subversion/libsvn_fs_fs/tree.h?rev=1186359&r1=1186358&r2=1186359&view=diff ============================================================================== --- subversion/branches/1.7.x/subversion/libsvn_fs_fs/tree.h (original) +++ subversion/branches/1.7.x/subversion/libsvn_fs_fs/tree.h Wed Oct 19 17:28:55 2011 @@ -61,6 +61,13 @@ svn_fs_fs__check_path(svn_node_kind_t *k const char *path, apr_pool_t *pool); +/* Implement root_vtable_t.node_id(). */ +svn_error_t * +svn_fs_fs__node_id(const svn_fs_id_t **id_p, + svn_fs_root_t *root, + const char *path, + apr_pool_t *pool); + /* Set *REVISION to the revision in which PATH under ROOT was created. Use POOL for any temporary allocations. If PATH is in an uncommitted transaction, *REVISION will be set to