From db7d07f61057e94e2a3683ca10d67a2a219f542f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Scharfe?= <l.s.r@web.de>
Date: Sun, 11 Oct 2020 18:03:37 +0200
Subject: blame: handle deref_tag() returning NULL
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Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 builtin/blame.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'builtin')

diff --git a/builtin/blame.c b/builtin/blame.c
index bb0f29300e..b5036ab327 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -820,6 +820,8 @@ static int peel_to_commit_oid(struct object_id *oid_ret, void *cbdata)
 		if (kind != OBJ_TAG)
 			return -1;
 		obj = deref_tag(r, parse_object(r, &oid), NULL, 0);
+		if (!obj)
+			return -1;
 		oidcpy(&oid, &obj->oid);
 	}
 }
-- 
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