Jan Černý
parent
2e3c457351
commit
522d98f271
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@ -0,0 +1,136 @@
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From 5c422226df442855a7dc9834eb4ff74865394a92 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Jan=20=C4=8Cern=C3=BD?= <jcerny@redhat.com>
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Date: Thu, 8 Jul 2021 14:28:16 +0200
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Subject: [PATCH 1/3] Initialize crypto API only once
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The function `crapi_init` calls `gcry_check_version` which must be
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called before any other function from the Libgcrypt library. That might
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be violated when multiple threads executing multiple probes are running.
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The mitigation proposed in this PR is to call `crapi_init` only once
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when the session is initialized which means before any threads are
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spawned.
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See also: https://www.gnupg.org/documentation/manuals/gcrypt/Multi_002dThreading.html#Multi_002dThreading
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Resolves: RHBZ#1959570
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---
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src/OVAL/oval_probe_session.c | 5 +++++
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src/OVAL/probes/independent/filehash58_probe.c | 6 ------
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src/OVAL/probes/independent/filehash_probe.c | 6 ------
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src/OVAL/probes/independent/filemd5_probe.c | 6 ------
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4 files changed, 5 insertions(+), 18 deletions(-)
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diff --git a/src/OVAL/oval_probe_session.c b/src/OVAL/oval_probe_session.c
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index 435ca148fd..6f6d7ad426 100644
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--- a/src/OVAL/oval_probe_session.c
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+++ b/src/OVAL/oval_probe_session.c
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@@ -93,6 +93,11 @@ static void oval_probe_session_libinit(void)
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SEXP_free((SEXP_t *)exp);
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ncache_libinit();
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+ /*
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+ * Initialize crypto API
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+ */
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+ if (crapi_init (NULL) != 0)
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+ return (NULL);
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}
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/**
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diff --git a/src/OVAL/probes/independent/filehash58_probe.c b/src/OVAL/probes/independent/filehash58_probe.c
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index ff1e065746..32a38562bd 100644
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--- a/src/OVAL/probes/independent/filehash58_probe.c
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+++ b/src/OVAL/probes/independent/filehash58_probe.c
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@@ -210,12 +210,6 @@ int filehash58_probe_offline_mode_supported()
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void *filehash58_probe_init(void)
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{
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- /*
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- * Initialize crypto API
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- */
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- if (crapi_init (NULL) != 0)
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- return (NULL);
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-
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/*
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* Initialize mutex.
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*/
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diff --git a/src/OVAL/probes/independent/filehash_probe.c b/src/OVAL/probes/independent/filehash_probe.c
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index 522d976512..6d8780dc95 100644
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--- a/src/OVAL/probes/independent/filehash_probe.c
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+++ b/src/OVAL/probes/independent/filehash_probe.c
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@@ -190,12 +190,6 @@ int filehash_probe_offline_mode_supported()
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void *filehash_probe_init(void)
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{
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- /*
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- * Initialize crypto API
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- */
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- if (crapi_init (NULL) != 0)
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- return (NULL);
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-
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/*
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* Initialize mutex.
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*/
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diff --git a/src/OVAL/probes/independent/filemd5_probe.c b/src/OVAL/probes/independent/filemd5_probe.c
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index d0de402d8b..99913581f0 100644
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--- a/src/OVAL/probes/independent/filemd5_probe.c
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+++ b/src/OVAL/probes/independent/filemd5_probe.c
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@@ -163,12 +163,6 @@ int probe_offline_mode_supported()
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void *probe_init (void)
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{
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- /*
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- * Initialize crypto API
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- */
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- if (crapi_init (NULL) != 0)
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- return (NULL);
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-
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/*
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* Initialize mutex.
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*/
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From c4c26d99a59205d744befe52be4e81bcf5f55d9c Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Jan=20=C4=8Cern=C3=BD?= <jcerny@redhat.com>
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Date: Tue, 13 Jul 2021 13:03:21 +0200
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Subject: [PATCH 2/3] Add a missing include
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---
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src/OVAL/oval_probe_session.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/src/OVAL/oval_probe_session.c b/src/OVAL/oval_probe_session.c
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index 6f6d7ad426..295782b536 100644
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--- a/src/OVAL/oval_probe_session.c
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+++ b/src/OVAL/oval_probe_session.c
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@@ -48,6 +48,7 @@
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#include "oval_probe_ext.h"
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#include "probe-table.h"
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#include "oval_types.h"
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+#include "crapi/crapi.h"
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#if defined(OSCAP_THREAD_SAFE)
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#include <pthread.h>
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From 6241a8835574429a787e0dd48d2c0ac2a71499b8 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Jan=20=C4=8Cern=C3=BD?= <jcerny@redhat.com>
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Date: Thu, 15 Jul 2021 14:21:00 +0200
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Subject: [PATCH 3/3] Don't initialize crypto on Windows
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---
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src/OVAL/oval_probe_session.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/src/OVAL/oval_probe_session.c b/src/OVAL/oval_probe_session.c
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index 295782b536..b443cbcc80 100644
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--- a/src/OVAL/oval_probe_session.c
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+++ b/src/OVAL/oval_probe_session.c
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@@ -97,8 +97,10 @@ static void oval_probe_session_libinit(void)
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/*
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* Initialize crypto API
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*/
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+#ifndef OS_WINDOWS
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if (crapi_init (NULL) != 0)
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return (NULL);
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+#endif
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}
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/**
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@ -0,0 +1,97 @@
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From 05faede8f6602b7b71d71fd965276225a986fb1f Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Jan=20=C4=8Cern=C3=BD?= <jcerny@redhat.com>
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Date: Wed, 28 Jul 2021 13:06:25 +0200
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Subject: [PATCH] Add a regression test for rhbz#1959570
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The bug was a segmentation fault in filehash58 probe which happened
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in openscap-1.3.3-6.el8_3.
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The bug was fixed by https://github.com/OpenSCAP/openscap/pull/1779
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and this patch adds a very small test.
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---
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tests/probes/filehash58/CMakeLists.txt | 1 +
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.../probes/filehash58/rhbz1959570_segfault.sh | 19 +++++++++
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.../rhbz1959570_segfault_reproducer.xml | 39 +++++++++++++++++++
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3 files changed, 59 insertions(+)
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create mode 100755 tests/probes/filehash58/rhbz1959570_segfault.sh
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create mode 100644 tests/probes/filehash58/rhbz1959570_segfault_reproducer.xml
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diff --git a/tests/probes/filehash58/CMakeLists.txt b/tests/probes/filehash58/CMakeLists.txt
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index b26d8171fb..cdec0792eb 100644
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--- a/tests/probes/filehash58/CMakeLists.txt
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+++ b/tests/probes/filehash58/CMakeLists.txt
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@@ -1,3 +1,4 @@
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if(ENABLE_PROBES_INDEPENDENT)
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add_oscap_test("test_probes_filehash58.sh")
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+ add_oscap_test("rhbz1959570_segfault.sh")
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endif()
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diff --git a/tests/probes/filehash58/rhbz1959570_segfault.sh b/tests/probes/filehash58/rhbz1959570_segfault.sh
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new file mode 100755
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index 0000000000..0c32cc79f1
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--- /dev/null
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+++ b/tests/probes/filehash58/rhbz1959570_segfault.sh
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@@ -0,0 +1,19 @@
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+#!/usr/bin/env bash
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+
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+# Copyright 2021 Red Hat Inc., Durham, North Carolina.
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+# All Rights Reserved.
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+#
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+# OpenSCAP Probes Test Suite.
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+#
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+# Authors:
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+# Jan Černý, <jcerny@redhat.com>
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+
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+set -e -o pipefail
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+. $builddir/tests/test_common.sh
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+
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+# Test Cases
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+
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+stderr="$(mktemp)"
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+$OSCAP oval eval --id oval:x:def:1 "$srcdir/rhbz1959570_segfault_reproducer.xml" 2> "$stderr"
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+[ ! -s "$stderr" ]
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+rm "$stderr"
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diff --git a/tests/probes/filehash58/rhbz1959570_segfault_reproducer.xml b/tests/probes/filehash58/rhbz1959570_segfault_reproducer.xml
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new file mode 100644
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index 0000000000..4b3fc4863a
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--- /dev/null
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+++ b/tests/probes/filehash58/rhbz1959570_segfault_reproducer.xml
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@@ -0,0 +1,39 @@
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+<?xml version="1.0"?>
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+<oval-def:oval_definitions xmlns:ind="http://oval.mitre.org/XMLSchema/oval-definitions-5#independent" xmlns:linux="http://oval.mitre.org/XMLSchema/oval-definitions-5#linux" xmlns:oval="http://oval.mitre.org/XMLSchema/oval-common-5" xmlns:oval-def="http://oval.mitre.org/XMLSchema/oval-definitions-5" xmlns:unix="http://oval.mitre.org/XMLSchema/oval-definitions-5#unix" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://oval.mitre.org/XMLSchema/oval-common-5 oval-common-schema.xsd http://oval.mitre.org/XMLSchema/oval-definitions-5 oval-definitions-schema.xsd http://oval.mitre.org/XMLSchema/oval-definitions-5#independent independent-definitions-schema.xsd http://oval.mitre.org/XMLSchema/oval-definitions-5#unix unix-definitions-schema.xsd http://oval.mitre.org/XMLSchema/oval-definitions-5#linux linux-definitions-schema.xsd">
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+ <oval-def:generator>
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+ <oval:product_name>jcerny</oval:product_name>
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+ <oval:product_version>1</oval:product_version>
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+ <oval:schema_version>5.11</oval:schema_version>
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+ <oval:timestamp>2021-07-28T07:40:55</oval:timestamp>
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+ </oval-def:generator>
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+ <oval-def:definitions>
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+ <oval-def:definition class="compliance" id="oval:x:def:1" version="1">
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+ <oval-def:metadata>
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+ <oval-def:title>title</oval-def:title>
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+ <oval-def:description>description</oval-def:description>
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+ </oval-def:metadata>
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+ <oval-def:criteria>
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+ <oval-def:criterion comment="comment" test_ref="oval:x:tst:1"/>
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+ </oval-def:criteria>
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+ </oval-def:definition>
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+ </oval-def:definitions>
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+ <oval-def:tests>
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+ <ind:filehash58_test check="all" check_existence="all_exist" comment="comment" id="oval:x:tst:1" version="1">
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+ <ind:object object_ref="oval:x:obj:1"/>
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+ <ind:state state_ref="oval:x:ste:1"/>
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+ </ind:filehash58_test>
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+ </oval-def:tests>
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+ <oval-def:objects>
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+ <ind:filehash58_object id="oval:x:obj:1" version="1">
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+ <ind:filepath>/etc/os-release</ind:filepath>
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+ <ind:hash_type>SHA-256</ind:hash_type>
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+ </ind:filehash58_object>
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+ </oval-def:objects>
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+ <oval-def:states>
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+ <ind:filehash58_state id="oval:x:ste:1" version="1">
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+ <ind:filepath>/etc/os-release</ind:filepath>
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+ <ind:hash_type>SHA-256</ind:hash_type>
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+ <ind:hash>6488c757642cd493da09dd78ee27f039711a1ad79039900970553772fd2106af</ind:hash>
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+ </ind:filehash58_state>
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+ </oval-def:states>
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+</oval-def:oval_definitions>
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@ -1,6 +1,6 @@
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Name: openscap
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Version: 1.3.5
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Release: 10%{?dist}
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Release: 11%{?dist}
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Epoch: 1
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Summary: Set of open source libraries enabling integration of the SCAP line of standards
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License: LGPLv2+
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@ -18,6 +18,8 @@ Patch9: openscap-1.3.6-coverity-issues-pr-1778.patch
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Patch10: openscap-1.3.6-disable-sha1-md5-pr-1781.patch
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Patch11: openscap-1.3.6-http_error_fix-PR_1805.patch
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Patch12: openscap-1.3.6-empty-proc-in-offline-pr-1812.patch
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Patch13: openscap-1.3.6-initialize-crapi-once-pr-1779.patch
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Patch14: openscap-1.3.6-test-rhbz1959570-pr-1788.patch
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BuildRequires: make
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BuildRequires: cmake >= 2.6
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BuildRequires: gcc
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@ -208,6 +210,9 @@ pathfix.py -i %{__python3} -p -n $RPM_BUILD_ROOT%{_bindir}/scap-as-rpm
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%{_bindir}/oscap-run-sce-script
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%changelog
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* Thu Nov 04 2021 Jan Černý <jcerny@redhat.com> - 1:1.3.5-11
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- Initialize crypto API only once (rhbz#2020044)
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* Mon Nov 01 2021 Evgenii Kolesnikov <ekolesni@redhat.com> - 1:1.3.5-10
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- Fix process58 probe errors when scanning minimalist filesystem in offline mode (rhbz#2019054)
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