From: Sergey Vlasov <vsu@altlinux.ru>
Date: Fri, 19 Aug 2005 18:28:35 +0000 (+0400)
Subject: [PATCH] git-rev-list: avoid crash on broken repository
X-Git-Tag: v0.99.5~10^2
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=7f1335c74c4ba0baac8649974e95f6e6f84f8632;p=git.git

[PATCH] git-rev-list: avoid crash on broken repository

When following tags, check for parse_object() success and error out
properly instead of segfaulting.

Signed-off-by: Sergey Vlasov <vsu@altlinux.ru>
Signed-off-by: Junio C Hamano <junkio@cox.net>
---

diff --git a/rev-list.c b/rev-list.c
index ce5b8b2ad..2ed5e87e1 100644
--- a/rev-list.c
+++ b/rev-list.c
@@ -418,6 +418,8 @@ static struct commit *get_commit_reference(const char *name, unsigned int flags)
 		if (tag_objects && !(object->flags & UNINTERESTING))
 			add_pending_object(object, tag->tag);
 		object = parse_object(tag->tagged->sha1);
+		if (!object)
+			die("bad object %s", sha1_to_hex(tag->tagged->sha1));
 	}
 
 	/*