From: "Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>
To: git@vger.kernel.org
Cc: Johannes Schindelin <johannes.schindelin@gmx.de>,
Johannes Schindelin <johannes.schindelin@gmx.de>
Subject: [PATCH 04/14] unparse_commit(): defensive programming
Date: Thu, 15 May 2025 12:45:29 +0000 [thread overview]
Message-ID: <dcc04afb6cb0f0383c95d7fc35d492f0e1d256a9.1747313140.git.gitgitgadget@gmail.com> (raw)
In-Reply-To: <pull.1890.git.1747313139.gitgitgadget@gmail.com>
From: Johannes Schindelin <johannes.schindelin@gmx.de>
CodeQL points out that `lookup_commit()` can return NULL values.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
commit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/commit.c b/commit.c
index 6efdb03997d9..1cbc798e32ba 100644
--- a/commit.c
+++ b/commit.c
@@ -187,7 +187,7 @@ void unparse_commit(struct repository *r, const struct object_id *oid)
{
struct commit *c = lookup_commit(r, oid);
- if (!c->object.parsed)
+ if (!c || !c->object.parsed)
return;
free_commit_list(c->parents);
c->parents = NULL;
--
gitgitgadget
next prev parent reply other threads:[~2025-05-15 12:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-15 12:45 [PATCH 00/14] Some defensive programming Johannes Schindelin via GitGitGadget
2025-05-15 12:45 ` [PATCH 01/14] revision: " Johannes Schindelin via GitGitGadget
2025-05-15 17:13 ` Junio C Hamano
2025-05-15 12:45 ` [PATCH 02/14] get_parent(): " Johannes Schindelin via GitGitGadget
2025-05-15 17:21 ` Junio C Hamano
2025-05-15 20:32 ` Jeff King
2025-05-15 12:45 ` [PATCH 03/14] fetch-pack: " Johannes Schindelin via GitGitGadget
2025-05-15 17:24 ` Junio C Hamano
2025-05-15 12:45 ` Johannes Schindelin via GitGitGadget [this message]
2025-05-15 12:45 ` [PATCH 05/14] verify_commit_graph(): " Johannes Schindelin via GitGitGadget
2025-05-15 12:45 ` [PATCH 06/14] stash: " Johannes Schindelin via GitGitGadget
2025-05-15 12:45 ` [PATCH 07/14] " Johannes Schindelin via GitGitGadget
2025-05-15 12:45 ` [PATCH 08/14] push: " Johannes Schindelin via GitGitGadget
2025-05-15 12:45 ` [PATCH 09/14] fetch: " Johannes Schindelin via GitGitGadget
2025-05-15 12:45 ` [PATCH 10/14] describe: " Johannes Schindelin via GitGitGadget
2025-05-15 12:45 ` [PATCH 11/14] inherit_tracking(): " Johannes Schindelin via GitGitGadget
2025-05-15 12:45 ` [PATCH 12/14] submodule: check return value of `submodule_from_path()` Johannes Schindelin via GitGitGadget
2025-05-15 12:45 ` [PATCH 13/14] test-tool repository: check return value of `lookup_commit()` Johannes Schindelin via GitGitGadget
2025-05-15 12:45 ` [PATCH 14/14] shallow: handle missing shallow commits gracefully Johannes Schindelin via GitGitGadget
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