1765915 - abrt in udev-configure-printer

This commit is contained in:
Zdenek Dohnal 2019-10-29 12:04:28 +01:00
parent a1ec0ba25e
commit b13b64c8bf
2 changed files with 67 additions and 1 deletions

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@ -0,0 +1,61 @@
From cf9903466c1a2d18a701f3b5e8c7e03483e1244d Mon Sep 17 00:00:00 2001
From: Zdenek Dohnal <zdohnal@redhat.com>
Date: Mon, 14 Oct 2019 16:39:28 +0200
Subject: [PATCH] udev-configure-printer: Add checks for NULL
---
NEWS | 1 +
udev/udev-configure-printer.c | 12 +++++++++---
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/NEWS b/NEWS
index f4b774e5..0b53aa8e 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,6 @@
1.5.13 changes
--------------
+- add checks for NULL in udev-configure-printer (Fedora #1761097)
1.5.12 changes
--------------
diff --git a/udev/udev-configure-printer.c b/udev/udev-configure-printer.c
index 83092fc2..d753bbea 100644
--- a/udev/udev-configure-printer.c
+++ b/udev/udev-configure-printer.c
@@ -1411,7 +1411,7 @@ for_each_matching_queue (struct device_uris *device_uris,
const char *printer_state_message = NULL;
int state = 0;
size_t i, l;
- char *this_device_uri_n, *device_uri_n;
+ char *this_device_uri_n = NULL, *device_uri_n = NULL;
const char *ps1, *ps2, *pi1, *pi2;
while (attr && ippGetGroupTag (attr) != IPP_TAG_PRINTER)
@@ -1448,6 +1448,8 @@ for_each_matching_queue (struct device_uris *device_uris,
for (i = 0; i < device_uris->n_uris; i++)
{
device_uri_n = normalize_device_uri(device_uris->uri[i]);
+ if (this_device_uri_n == NULL || device_uri_n == NULL)
+ goto skip;
/* As for the same device different URIs can come out when the
device is accessed via the usblp kernel module or via low-
level USB (libusb) we cannot simply compare URIs, must
@@ -1512,8 +1514,12 @@ for_each_matching_queue (struct device_uris *device_uris,
firstqueue = 0;
skip:
- free(device_uri_n);
- free(this_device_uri_n);
+ if (device_uri_n != NULL)
+ free(device_uri_n);
+ device_uri_n = NULL;
+ if (this_device_uri_n != NULL)
+ free(this_device_uri_n);
+ this_device_uri_n = NULL;
if (!attr)
break;
}
--
2.21.0

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@ -9,12 +9,13 @@
Summary: A printer administration tool
Name: system-config-printer
Version: 1.5.12
Release: 1%{?dist}
Release: 2%{?dist}
License: GPLv2+
URL: https://github.com/%{username}/%{name}
Source0: %{url}/releases/download/%{version}/%{name}-%{version}.tar.gz
# all upstream patches, remove with new release
Patch01: 0001-udev-configure-printer-Add-checks-for-NULL.patch
# gcc is no longer in buildroot by default
# gcc is needed for udev-configure-printer.c
@ -86,6 +87,7 @@ printers.
%prep
%setup -q
# all backported from upstream
%patch01 -p1 -b .udev-configure-segfault
%build
%configure --with-udev-rules
@ -211,6 +213,9 @@ touch %buildroot%{_localstatedir}/run/udev-configure-printer/usb-uris
exit 0
%changelog
* Tue Oct 29 2019 Zdenek Dohnal <zdohnal@redhat.com> - 1.5.12-2
- 1765915 - abrt in udev-configure-printer
* Tue Oct 01 2019 Zdenek Dohnal <zdohnal@redhat.com> - 1.5.12-1
- 1.5.12