Worked on OSS-Fuzz targets

Author: joachimmetz

.github/workflows/build_package.yml

@@ -13,7 +13,6 @@ jobs:
     container:
       image: ubuntu:${{ matrix.version }}
     steps:
-    - uses: actions/checkout@v6
     - name: Set up container
       env:
         DEBIAN_FRONTEND: noninteractive
@@ -26,6 +25,7 @@ jobs:
       run: |
         apt update -q
         apt install -y autoconf automake autopoint autotools-dev build-essential debhelper dh-autoreconf dh-python fakeroot git libfuse3-dev libtool pkg-config python3-dev python3-setuptools
+    - uses: actions/checkout@v6
     - name: Download test data
       run: |
         if test -x "synctestdata.sh"; then ./synctestdata.sh; fi
@@ -50,13 +50,13 @@ jobs:
     container:
       image: registry.fedoraproject.org/fedora:${{ matrix.version }}
     steps:
-    - uses: actions/checkout@v6
     - name: Set up container
       run: |
         dnf install -y dnf-plugins-core langpacks-en
     - name: Install build dependencies
       run: |
         dnf install -y @development-tools autoconf automake fuse3-devel gettext-devel git libtool make pkg-config python3-devel python3-setuptools rpm-build
+    - uses: actions/checkout@v6
     - name: Download test data
       run: |
         if test -x "synctestdata.sh"; then ./synctestdata.sh; fi

configure.ac

@@ -2,7 +2,7 @@ AC_PREREQ([2.71])
 
 AC_INIT(
   [libvslvm],
-  [20260626],
+  [20260705],
   [https://github.com/libyal/libvslvm/issues])
 
 AC_CONFIG_SRCDIR(

dpkg/source/local-options

@@ -1,4 +1,5 @@
 extend-diff-ignore = "(^|/)\.codecov\.yml$"
+extend-diff-ignore = "(^|/)\.git($|/)"
 extend-diff-ignore = "(^|/)\.github/.+$"
 extend-diff-ignore = "(^|/)[^/]+\.(ini|nuspec|ps1|sh|yaml|yml)$"
 extend-diff-ignore = "(^|/).+/Makefile.in$"

libvslvm.nuspec

@@ -2,15 +2,15 @@
 <package >
   <metadata>
     <id>libvslvm</id>
-    <version>20260626</version>
+    <version>20260705</version>
     <authors>Joachim Metz</authors>
     <owners>joachimmetz</owners>
     <license type="expression">LGPL-3.0-or-later</license>
     <projectUrl>https://github.com/libyal/libvslvm</projectUrl>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <title>libvslvm</title>
     <description>Library to access the Linux Logical Volume Manager (LVM) volume system</description>
-    <releaseNotes>Release of libvslvm 20260626</releaseNotes>
+    <releaseNotes>Release of libvslvm 20260705</releaseNotes>
     <copyright>Copyright (C) 2014-2026</copyright>
     <tags>native</tags>
   </metadata>

m4/tests.m4

@@ -1,6 +1,6 @@
 dnl Functions for testing
 dnl
-dnl Version: 20260612
+dnl Version: 20260703
 
 dnl Function to check if pthread_rwlock_unlock can be hooked for testing
 AC_DEFUN([AX_TESTS_CHECK_CAN_HOOK_PTHREAD_RWLOCK_UNLOCK],
@@ -85,24 +85,25 @@ AC_DEFUN([AX_TESTS_CHECK_HAVE_MANPAGE_LINTER],
 
     printf '.Dd June 10, 2026\n.Dt TITLE 1\n.Os\n.Sh NAME\n.Nm command\n.Nd example\n' > conftest.1
 
+    # Note that if man cannot set the locale it will exit with 0 but print to stderr
     AS_IF(
       [test "x$MAN" != x],
-      [LC_ALL="en_US.UTF-8" MANROFFSEQ="" MANWIDTH="80" "$MAN" --warnings -E UTF-8 -l -Tutf8 -Z conftest.1 >/dev/null 2>&1
+      [LC_ALL="en_US.UTF-8" MANROFFSEQ="" MANWIDTH="80" "$MAN" --warnings -E UTF-8 -l -Tutf8 -Z conftest.1 >/dev/null 2>conftest.err
       AS_IF(
-        [test $? -eq 0],
+        [test $? -eq 0 && ! test -s conftest.err],
 	[ac_cv_have_manpage_linter="man-db"])
       ])
 
     AS_IF(
       [test "x$ac_cv_have_manpage_linter" = xno && test "x$MANDOC" != x],
-      [LC_ALL="en_US.UTF-8" "$MANDOC" -O width=80 -T lint -W all ./conftest.1 >/dev/null 2>&1
+      [LC_ALL="en_US.UTF-8" "$MANDOC" -O width=80 -T lint -W all ./conftest.1 >/dev/null 2>conftest.err
 
       AS_IF(
-        [test $? -eq 0],
+        [test $? -eq 0 && ! test -s conftest.err],
 	[ac_cv_have_manpage_linter="mandoc"])
       ])
 
-    rm -f conftest.1
+    rm -f conftest.1 conftest.err
     ])
   ])
 
@@ -251,7 +252,7 @@ dnl Function to detect if tests dependencies are available
 AC_DEFUN([AX_TESTS_CHECK_LOCAL],
   [AC_CHECK_HEADERS([dlfcn.h])
 
-  AC_CHECK_FUNCS([fmemopen getopt mkstemp setenv tzset unlink])
+  AC_CHECK_FUNCS([getopt mkstemp setenv tmpfile tzset unlink])
 
   AC_CHECK_LIB(
     dl,

manuals/vslvmmount.1

@@ -1,4 +1,4 @@
-.Dd June 26, 2026
+.Dd July  5, 2026
 .Dt VSLVMMOUNT 1
 .Os
 .Sh NAME
@@ -47,8 +47,8 @@ None
 None
 .Sh EXAMPLES
 .Bd -literal
-# vslvmmount /dev/sda1
-vslvmmount 20260626
+# vslvmmount image1.raw /mnt/vslvm
+vslvmmount 20260705
 .sp
 .Ed
 .Sh DIAGNOSTICS

ossfuzz/Makefile.am

@@ -13,7 +13,8 @@ AM_CPPFLAGS = \
 
 bin_PROGRAMS = \
 	handle_fuzzer \
-	logical_volume_fuzzer
+	logical_volume_fuzzer \
+	volume_group_fuzzer
 
 handle_fuzzer_SOURCES = \
 	handle_fuzzer.cc \
@@ -50,6 +51,24 @@ logical_volume_fuzzer_LDADD = \
 	@LIBCLOCALE_LIBADD@ \
 	@LIBCERROR_LIBADD@ \
 	@LIBINTL@
+
+volume_group_fuzzer_SOURCES = \
+	ossfuzz_libbfio.h \
+	ossfuzz_libvslvm.h \
+	volume_group_fuzzer.cc
+
+volume_group_fuzzer_LDADD = \
+	@LIB_FUZZING_ENGINE@ \
+	@LIBBFIO_LIBADD@ \
+	@LIBCPATH_LIBADD@ \
+	@LIBCFILE_LIBADD@ \
+	@LIBUNA_LIBADD@ \
+	@LIBCDATA_LIBADD@ \
+	../libvslvm/libvslvm.la \
+	@LIBCNOTIFY_LIBADD@ \
+	@LIBCLOCALE_LIBADD@ \
+	@LIBCERROR_LIBADD@ \
+	@LIBINTL@
 endif
 
 DISTCLEANFILES = \
@@ -61,4 +80,6 @@ splint-local:
 	-splint -preproc -redef $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(handle_fuzzer_SOURCES)
 	@echo "Running splint on logical_volume_fuzzer ..."
 	-splint -preproc -redef $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(logical_volume_fuzzer_SOURCES)
+	@echo "Running splint on volume_group_fuzzer ..."
+	-splint -preproc -redef $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(volume_group_fuzzer_SOURCES)
 

ossfuzz/logical_volume_fuzzer.cc

@@ -1,5 +1,5 @@
 /*
- * OSS-Fuzz target for libvslvm handle type
+ * OSS-Fuzz target for libvslvm logical volume type
  *
  * Copyright (C) 2014-2026, Joachim Metz <joachim.metz@gmail.com>
  *