spice-gtk/0018-spice_usbutil_parse_usbids-verify-at-least-one-vendo.patch

45 lines
1.3 KiB
Diff

From 032ca202f839fe1c49cddfd2b0459f9fecc23c86 Mon Sep 17 00:00:00 2001
From: Uri Lublin <uril@redhat.com>
Date: Wed, 11 Nov 2020 20:03:57 +0200
Subject: [PATCH 18/22] spice_usbutil_parse_usbids: verify at least one vendor
and product
Fixes the following clang warning:
src/usbutil.c:148:52: warning: Use of zero-allocated memory
...
product_info[product_count].product_id = id;
^
146| while (isspace(line[0]))
147| line++;
148|-> product_info[product_count].product_id = id;
149| snprintf(product_info[product_count].name,
150| PRODUCT_NAME_LEN, "%s", line);
Signed-off-by: Uri Lublin <uril@redhat.com>
---
src/usbutil.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/usbutil.c b/src/usbutil.c
index 7d7f38a..f29302b 100644
--- a/src/usbutil.c
+++ b/src/usbutil.c
@@ -113,6 +113,13 @@ static gboolean spice_usbutil_parse_usbids(gchar *path)
usbids_vendor_count++;
}
+ if (usbids_vendor_info == 0 || product_count == 0) {
+ usbids_vendor_count = -1;
+ g_strfreev(lines);
+ g_free(contents);
+ return FALSE;
+ }
+
usbids_vendor_info = g_new(usb_vendor_info, usbids_vendor_count);
product_info = g_new(usb_product_info, product_count);
--
2.28.0