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-rw-r--r--reflog-walk.c16
-rwxr-xr-xt/t1410-reflog.sh13
2 files changed, 24 insertions, 5 deletions
diff --git a/reflog-walk.c b/reflog-walk.c
index 85b8a54241..0ebd1da5ce 100644
--- a/reflog-walk.c
+++ b/reflog-walk.c
@@ -221,6 +221,7 @@ void fake_reflog_parent(struct reflog_walk_info *info, struct commit *commit)
struct commit_info *commit_info =
get_commit_info(commit, &info->reflogs, 0);
struct commit_reflog *commit_reflog;
+ struct object *logobj;
struct reflog_info *reflog;
info->last_commit_reflog = NULL;
@@ -232,15 +233,20 @@ void fake_reflog_parent(struct reflog_walk_info *info, struct commit *commit)
commit->parents = NULL;
return;
}
-
- reflog = &commit_reflog->reflogs->items[commit_reflog->recno];
info->last_commit_reflog = commit_reflog;
- commit_reflog->recno--;
- commit_info->commit = (struct commit *)parse_object(reflog->osha1);
- if (!commit_info->commit) {
+
+ do {
+ reflog = &commit_reflog->reflogs->items[commit_reflog->recno];
+ commit_reflog->recno--;
+ logobj = parse_object(reflog->osha1);
+ } while (commit_reflog->recno && (logobj && logobj->type != OBJ_COMMIT));
+
+ if (!logobj || logobj->type != OBJ_COMMIT) {
+ commit_info->commit = NULL;
commit->parents = NULL;
return;
}
+ commit_info->commit = (struct commit *)logobj;
commit->parents = xcalloc(1, sizeof(struct commit_list));
commit->parents->item = commit_info->commit;
diff --git a/t/t1410-reflog.sh b/t/t1410-reflog.sh
index b79049f6f6..17a194bfa6 100755
--- a/t/t1410-reflog.sh
+++ b/t/t1410-reflog.sh
@@ -325,4 +325,17 @@ test_expect_success 'parsing reverse reflogs at BUFSIZ boundaries' '
test_cmp expect actual
'
+test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
+ git update-ref --create-reflog -m "Creating ref" \
+ refs/tests/tree-in-reflog HEAD &&
+ git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
+ git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
+ git reflog refs/tests/tree-in-reflog
+'
+
+test_expect_failure 'reflog with non-commit entries displays all entries' '
+ git reflog refs/tests/tree-in-reflog >actual &&
+ test_line_count = 3 actual
+'
+
test_done