This step seems to break CI asan/ubsan job https://github.com/git/git/actions/runs/5260417146/jobs/9507299904#step:4:1826 Perhaps something like this is in order? builtin/notes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git c/builtin/notes.c w/builtin/notes.c index 6eede30597..785b1922ad 100644 --- c/builtin/notes.c +++ w/builtin/notes.c @@ -239,7 +239,7 @@ static void write_note_data(struct note_data *d, struct object_id *oid) static void append_separator(struct strbuf *message) { - if (separator[strlen(separator) - 1] == '\n') + if (*separator && separator[strlen(separator) - 1] == '\n') strbuf_addstr(message, separator); else strbuf_addf(message, "%s%s", separator, "\n");
