libguestfs/valgrind-suppressions

# libguestfs
# Copyright (C) 2009-2025 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

# Valgrind suppressions used when testing only.  There are no known
# resource leaks in libguestfs.  This file is only for leaks in
# libraries that libguestfs uses.

# libnuma
{
   libnuma_numa_node_size64_cond
   Memcheck:Cond
   fun:*
   fun:numa_node_size64
   fun:numa_init
}
{
   libnuma_numa_node_size64_cond_2
   Memcheck:Cond
   fun:numa_node_size64
   fun:numa_init
}
{
   libnuma_numa_node_size64_cond_3
   Memcheck:Cond
   fun:*
   fun:numa_node_size64
   obj:/usr/lib64/libnuma.so.1
}
{
   libnuma_numa_node_size64_cond_4
   Memcheck:Cond
   fun:numa_node_size64
   obj:/usr/lib64/libnuma.so.1
}
{
   libnuma_numa_node_size64_value8
   Memcheck:Value8
   fun:numa_node_size64
   fun:numa_init
}
{
   libnuma_numa_node_size64_value8_2
   Memcheck:Value8
   fun:numa_node_size64
   obj:/usr/lib64/libnuma.so.1
}

# libnl
{
   libnl_add_routing_table_name_leak
   Memcheck:Leak
   fun:malloc
   fun:strdup
   fun:add_routing_table_name
}
{
   libnl_add_routing_table_name_leak_2
   Memcheck:Leak
   fun:calloc
   fun:add_routing_table_name
}
{
   libnl_add_proto_name_leak
   Memcheck:Leak
   fun:malloc
   fun:strdup
   fun:add_proto_name
}
{
   libnl_add_proto_name_leak_2
   Memcheck:Leak
   fun:calloc
   fun:add_proto_name
}
{
   libnl1_malloc_leak
   Memcheck:Leak
   fun:malloc
   fun:strdup
   obj:/usr/lib/libnl.so.1.1
}
{
   libnl1_malloc_leak_2
   Memcheck:Leak
   fun:malloc
   fun:strdup
   obj:/lib64/libnl.so.1.1
}
{
   libnl1_malloc_leak_3
   Memcheck:Leak
   fun:malloc
   fun:strdup
   obj:/usr/lib64/libnl.so.1.1
}
{
   libnl1_calloc_leak
   Memcheck:Leak
   fun:calloc
   obj:/usr/lib/libnl.so.1.1
}
{
   libnl1_calloc_leak_2
   Memcheck:Leak
   fun:calloc
   obj:/lib64/libnl.so.1.1
}
{
   libnl1_calloc_leak_3
   Memcheck:Leak
   fun:calloc
   obj:/usr/lib64/libnl.so.1.1
}

# OCaml, by design, doesn't bother to free the major heap before
# calling exit.  Ignore that leak.
{
   caml_alloc_for_heap
   Memcheck:Leak
   ...
   fun:caml_alloc_for_heap
}

# OCaml caml_stat_* allocations are meant to be "static" so OCaml will
# never free them by design.  See the OCaml manual, chapter
# "Interfacing C with OCaml".
{
   caml_stat_allocations
   Memcheck:Leak
   ...
   fun:caml_stat_alloc*
}

# Real leak in OCaml 4.13, later fixed:
# https://github.com/ocaml/ocaml/issues/10698
{
   caml_setup_stack_overflow_detection
   Memcheck:Leak
   ...
   fun:caml_setup_stack_overflow_detection
}

# Real leak in bytecode programs.
{
   caml_init_atom_table
   Memcheck:Leak
   ...
   fun:caml_init_atom_table
}

# Real leak in bytecode programs.
{
   caml_executable_name
   Memcheck:Leak
   fun:malloc
   ...
   fun:caml_executable_name
   fun:caml_main
}

# Valgrind bug affecting OCaml 4.14
# https://bugs.kde.org/show_bug.cgi?id=455711
{
  caml_terminate_signals_uninitialized_sigaltstack
  Memcheck:Param
  sigaltstack(ss)
  fun:sigaltstack
  fun:caml_terminate_signals
}

{
  caml_stop_stack_overflow_detection_uninitialized_sigaltstack
  Memcheck:Param
  sigaltstack(ss)
  fun:sigaltstack
  fun:caml_stop_stack_overflow_detection
}

# The OCaml PCRE.compile function calls pcre2_compile_8 which allocates
# memory.  If these regexps are stored in a global variable then they
# can never be freed.  This is not really a bug, so ignore it.
{
   ocaml_pcre_globals
   Memcheck:Leak
   fun:malloc
   fun:pcre2_compile_8
   ...
}

# glibc
{
   glibc_cond
   Memcheck:Cond
   fun:index
   fun:expand_dynamic_string_token
}

# Not a real leak - glibc doesn't bother to free thread
# data (TLS in this case).
{
   glibc_leak_1
   Memcheck:Leak
   fun:calloc
   fun:allocate_dtv
}

# Not a real leak - same as above, but glibc renamed the function.
{
   glibc_leak_2
   Memcheck:Leak
   fun:calloc
   fun:_dl_allocate_tls
}

# Not a real leak.
{
   glibc_leak_3
   Memcheck:Leak
   ...
   fun:__add_to_environ
   fun:setenv
}

# These appeared in glibc 2.35.
# See also nbdkit commit f6409b4137c1aeb97d01eef5753f22033d64bfd4
{
   glibc_leak_4
   Memcheck:Leak
   ...
   fun:dlopen@@*
}

# libvirt calls gnutls_global_init but doesn't call the
# corresponding gnutls_global_deinit function because of
# thread-safety issues (in GnuTLS).
{
   libvirt_leak_1
   Memcheck:Leak
   ...
   fun:gnutls_global_init
   fun:virInitialize
}

# RHBZ#847429
{
   libvirt_leak_2
   Memcheck:Leak
   ...
   fun:tryLoadOne
   fun:VBoxCGlueInit
   fun:vboxRegister
   fun:virInitialize
}

# Variant of RHBZ#847429 with libvirt 1.0.2
{
   libvirt_leak_3
   Memcheck:Leak
   ...
   fun:tryLoadOne
   fun:VBoxCGlueInit
   fun:vboxRegister
   fun:virGlobalInit
}

# RHBZ#913145
{
   libvirt_leak_4
   Memcheck:Leak
   ...
   fun:virNetClientProgramCall
}

# RHBZ#1116427
{
   libvirt_leak_5
   Memcheck:Leak
   ...
   fun:virFileFindResourceFull
}

# RHBZ#1135388
{
   libvirt_leak_6
   Memcheck:Leak
   ...
   fun:testDomainGenerateIfnames
}

# Possibly RHBZ#1145649
{
   libvirt_leak_7
   Memcheck:Leak
   ...
   fun:selabel_close
   fun:virSecuritySELinuxSecurityDriverClose
}

# RHBZ#1215042
{
   libvirt_leak_8
   Memcheck:Leak
   ...
   fun:virGetUserRuntimeDirectory
   fun:virNetSocketNewConnectUNIX
}

{
   libvirt_leak_9
   Memcheck:Leak
   ...
   fun:g_malloc0
   fun:virClassNew
   ...
   fun:virDataTypesOnce
}

{
   libvirt_leak_10
   Memcheck:Leak
   ...
   fun:g_malloc0
   fun:virClassNew
   ...
   fun:virOnce
}

# FUSE leaks the per-thread context (although the code looks
# like it attempts to clean it up).  In older fuse, it uses
# malloc.  In newer fuse it uses calloc.
{
   fuse_leak_1
   Memcheck:Leak
   fun:malloc
   fun:fuse_get_context_internal
}

{
   fuse_leak_2
   Memcheck:Leak
   fun:calloc
   fun:fuse_get_context_internal
}

# ld-*.so
{
   ld_leak
   Memcheck:Leak
   ...
   fun:_dl_init
}

# Memory leak in libmagic (RHBZ#919466).
{
   libmagic_leak
   Memcheck:Leak
   ...
   fun:magic_getpath
}

# Another memory leak in libmagic.
{
   libmagic_leak_2
   Memcheck:Leak
   ...
   fun:file_apprentice
}

# Gtk
{
   gtk_leak
   Memcheck:Leak
   ...
   fun:gtk_init_check
}

{
   gtk_leak_2
   Memcheck:Leak
   ...
   fun:gdk_display_manager_get
}

{
   gtk_leak_3
   Memcheck:Leak
   ...
   fun:_gdk_x11_screen_new
}

{
   glib_leak_1
   Memcheck:Leak
   ...
   fun:g_type_register_static
}

{
   glib_leak_2
   Memcheck:Leak
   ...
   fun:g_type_class_ref
}

# Perl
# note: Perl leaks memory by design, this just suppresses them.
{
   perl_leak_1
   Memcheck:Leak
   ...
   fun:Perl_safesysmalloc
}

{
   perl_leak_2
   Memcheck:Leak
   ...
   fun:Perl_safesysrealloc
}

{
   perl_leak_3
   Memcheck:Leak
   ...
   fun:Perl_safesyscalloc
}

{
   perl_leak_4
   Memcheck:Leak
   ...
   fun:Perl_yyparse
}

{
   perl_leak_5
   Memcheck:Leak
   ...
   fun:Perl_re_compile
}

{
   perl_leak_6
   Memcheck:Leak
   fun:malloc
   fun:Perl_refcounted_he_new_pvn
}

{
   perl_leak_7
   Memcheck:Leak
   ...
   fun:Perl_re_op_compile
}