config_file: Don't crash on options without a section

c4d7fa95 · Nelson Elhage · 64138b70 · c4d7fa95
Commit c4d7fa95 authored Jul 22, 2018 by Nelson Elhage
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src/config_file.c
+4 -0

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--- a/src/config_file.c
+++ b/src/config_file.c
@@ -1035,6 +1035,10 @@ static int read_on_variable(
 	GIT_UNUSED(line);
 	GIT_UNUSED(line_len);

+	if (!current_section) {
+		giterr_set(GITERR_CONFIG, "no section for key: %s", var_name);
+		return -1;
+	}
 	git_buf_puts(&buf, current_section);
 	git_buf_putc(&buf, '.');
 	for (c = var_name; *c; c++)