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Merge branch 'tb/partial-clone-filters-fix'

Browse Source 
Fix potential server side resource deallocation issues when
responding to a partial clone request.

* tb/partial-clone-filters-fix:
  upload-pack.c: don't free allowed_filters util pointers
  builtin/clone.c: don't ignore transport_fetch_refs() errors
This commit is contained in:
Junio C Hamano 2020-12-17 15:06:40 -08:00
commit 21127fa982
3 changed files with 21 additions and 6 deletions
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15
builtin/clone.c
View File

@ -1293,8 +1293,11 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
break;
}
if (!is_local && !complete_refs_before_fetch)
transport_fetch_refs(transport, mapped_refs);
if (!is_local && !complete_refs_before_fetch) {
err = transport_fetch_refs(transport, mapped_refs);
if (err)
goto cleanup;
}
remote_head = find_ref_by_name(refs, "HEAD");
remote_head_points_at =
@ -1339,8 +1342,11 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (is_local)
clone_local(path, git_dir);
else if (refs && complete_refs_before_fetch)
transport_fetch_refs(transport, mapped_refs);
else if (refs && complete_refs_before_fetch) {
err = transport_fetch_refs(transport, mapped_refs);
if (err)
goto cleanup;
}
update_remote_refs(refs, mapped_refs, remote_head_points_at,
branch_top.buf, reflog_msg.buf, transport,
@ -1367,6 +1373,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
junk_mode = JUNK_LEAVE_REPO;
err = checkout(submodule_progress);
cleanup:
free(remote_name);
strbuf_release(&reflog_msg);
strbuf_release(&branch_top);

10
t/t5616-partial-clone.sh
View File

@ -289,7 +289,15 @@ test_expect_success 'upload-pack limits tree depth filters' '
test_config -C srv.bare uploadpackfilter.tree.maxDepth 0 &&
test_must_fail ok=sigpipe git clone --no-checkout --filter=tree:1 \
"file://$(pwd)/srv.bare" pc3 2>err &&
test_i18ngrep "tree filter allows max depth 0, but got 1" err
test_i18ngrep "tree filter allows max depth 0, but got 1" err &&
git clone --no-checkout --filter=tree:0 "file://$(pwd)/srv.bare" pc4 &&
test_config -C srv.bare uploadpackfilter.tree.maxDepth 5 &&
git clone --no-checkout --filter=tree:5 "file://$(pwd)/srv.bare" pc5 &&
test_must_fail ok=sigpipe git clone --no-checkout --filter=tree:6 \
"file://$(pwd)/srv.bare" pc6 2>err &&
test_i18ngrep "tree filter allows max depth 5, but got 6" err
'
test_expect_success 'partial clone fetches blobs pointed to by refs even if normally filtered out' '

2
upload-pack.c
View File

@ -156,7 +156,7 @@ static void upload_pack_data_clear(struct upload_pack_data *data)
string_list_clear(&data->deepen_not, 0);
object_array_clear(&data->extra_edge_obj);
list_objects_filter_release(&data->filter_options);
string_list_clear(&data->allowed_filters, 1);
string_list_clear(&data->allowed_filters, 0);
free((char *)data->pack_objects_hook);
}