CBL-Mariner/SPECS/libarchive/CVE-2022-36227.patch

36 строки
1.1 KiB
Diff

From bff38efe8c110469c5080d387bec62a6ca15b1a5 Mon Sep 17 00:00:00 2001
From: obiwac <obiwac@gmail.com>
Date: Fri, 22 Jul 2022 22:41:10 +0200
Subject: [PATCH] libarchive: Handle a `calloc` returning NULL (fixes #1754)
---
libarchive/archive_write.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/libarchive/archive_write.c b/libarchive/archive_write.c
index 66592e826..27626b541 100644
--- a/libarchive/archive_write.c
+++ b/libarchive/archive_write.c
@@ -201,6 +201,10 @@ __archive_write_allocate_filter(struct archive *_a)
struct archive_write_filter *f;
f = calloc(1, sizeof(*f));
+
+ if (f == NULL)
+ return (NULL);
+
f->archive = _a;
f->state = ARCHIVE_WRITE_FILTER_STATE_NEW;
if (a->filter_first == NULL)
@@ -548,6 +552,10 @@ archive_write_open2(struct archive *_a, void *client_data,
a->client_data = client_data;
client_filter = __archive_write_allocate_filter(_a);
+
+ if (client_filter == NULL)
+ return (ARCHIVE_FATAL);
+
client_filter->open = archive_write_client_open;
client_filter->write = archive_write_client_write;
client_filter->close = archive_write_client_close;