Merge branch 'jk/chunk-bounds'

The codepaths that read "chunk" formatted files have been corrected
to pay attention to the chunk size and notice broken files.

* jk/chunk-bounds: (21 commits)
  t5319: make corrupted large-offset test more robust
  chunk-format: drop pair_chunk_unsafe()
  commit-graph: detect out-of-order BIDX offsets
  commit-graph: check bounds when accessing BIDX chunk
  commit-graph: check bounds when accessing BDAT chunk
  commit-graph: bounds-check generation overflow chunk
  commit-graph: check size of generations chunk
  commit-graph: bounds-check base graphs chunk
  commit-graph: detect out-of-bounds extra-edges pointers
  commit-graph: check size of commit data chunk
  midx: check size of revindex chunk
  midx: bounds-check large offset chunk
  midx: check size of object offset chunk
  midx: enforce chunk alignment on reading
  midx: check size of pack names chunk
  commit-graph: check consistency of fanout table
  midx: check size of oid lookup chunk
  commit-graph: check size of oid fanout chunk
  midx: stop ignoring malformed oid fanout chunk
  t: add library for munging chunk-format files
  ...

1 files changed, 3 insertions, 0 deletions

diff --git a/midx.h b/midx.h
index 5578cd7b83..a5d98919c8 100644
--- a/midx.h
+++ b/midx.h
@@ -32,11 +32,14 @@ struct multi_pack_index {
 	int local;
 
 	const unsigned char *chunk_pack_names;
+	size_t chunk_pack_names_len;
 	const uint32_t *chunk_oid_fanout;
 	const unsigned char *chunk_oid_lookup;
 	const unsigned char *chunk_object_offsets;
 	const unsigned char *chunk_large_offsets;
+	size_t chunk_large_offsets_len;
 	const unsigned char *chunk_revindex;
+	size_t chunk_revindex_len;
 
 	const char **pack_names;
 	struct packed_git **packs;