From: Ali Utku Selen <auselen@gmail.com>
Date: Mon, 30 Sep 2019 23:33:10 +0000 (+0200)
Subject: shallow.c: don't free unallocated slabs
X-Git-Tag: v2.24.0-rc0~50^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ddb3c856f32fe291b52544e177d2246c09cadd2c;p=thirdparty%2Fgit.git

shallow.c: don't free unallocated slabs

Fix possible segfault when cloning a submodule shallow.

Signed-off-by: Ali Utku Selen <auselen@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/shallow.c b/shallow.c
index c1b68533ca..8de0bad2a5 100644
--- a/shallow.c
+++ b/shallow.c
@@ -148,6 +148,8 @@ struct commit_list *get_shallow_commits(struct object_array *heads, int depth,
 	for (i = 0; i < depths.slab_count; i++) {
 		int j;
 
+		if (!depths.slab[i])
+			continue;
 		for (j = 0; j < depths.slab_size; j++)
 			free(depths.slab[i][j]);
 	}