From 513d2a82cc9574983d017a2c0b2de87e181befa5 Mon Sep 17 00:00:00 2001 From: Anatol Belski Date: Mon, 15 Mar 2021 13:29:42 +0000 Subject: glib-2.0: Fix CVE-2021-27219 The upstream patches are only in glib >= 2.66.6 and >= 2.67.3 and won't be backported. This patch is developed based on the upstream patch set and consulting teh backports recently made by Ubuntu for the 2.64.6 series. Signed-off-by: Anatol Belski Signed-off-by: Anuj Mittal --- .../glib-2.0/glib-2.0/CVE-2021-27219.patch | 1444 ++++++++++++++++++++ meta/recipes-core/glib-2.0/glib-2.0_2.64.5.bb | 1 + 2 files changed, 1445 insertions(+) create mode 100644 meta/recipes-core/glib-2.0/glib-2.0/CVE-2021-27219.patch diff --git a/meta/recipes-core/glib-2.0/glib-2.0/CVE-2021-27219.patch b/meta/recipes-core/glib-2.0/glib-2.0/CVE-2021-27219.patch new file mode 100644 index 0000000000..a4ec01134a --- /dev/null +++ b/meta/recipes-core/glib-2.0/glib-2.0/CVE-2021-27219.patch @@ -0,0 +1,1444 @@ +commit b70039028b4a39ea071f6ed368a58ad5b5b90ba3 +Author: Anatol Belski +Date: Sun Mar 14 17:51:53 2021 +0000 + + backport: 2.64.5_CVE-2021-27219 + +CVE: CVE-2021-27219 +Upstream-Status: Backport +[https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1926] + +Signed-off-by: Anatol Belski + +diff --git a/docs/reference/glib/meson.build b/docs/reference/glib/meson.build +index 62d95f78d..7eebb04ac 100644 +--- a/docs/reference/glib/meson.build ++++ b/docs/reference/glib/meson.build +@@ -22,6 +22,7 @@ if get_option('gtk_doc') + 'gprintfint.h', + 'gmirroringtable.h', + 'gscripttable.h', ++ 'gstrfuncsprivate.h', + 'glib-mirroring-tab', + 'gnulib', + 'pcre', +diff --git a/gio/gdatainputstream.c b/gio/gdatainputstream.c +index 2e7750cb5..2cdcbda19 100644 +--- a/gio/gdatainputstream.c ++++ b/gio/gdatainputstream.c +@@ -27,6 +27,7 @@ + #include "gioenumtypes.h" + #include "gioerror.h" + #include "glibintl.h" ++#include "gstrfuncsprivate.h" + + #include + +@@ -856,7 +857,7 @@ static gssize + scan_for_chars (GDataInputStream *stream, + gsize *checked_out, + const char *stop_chars, +- gssize stop_chars_len) ++ gsize stop_chars_len) + { + GBufferedInputStream *bstream; + const char *buffer; +@@ -952,7 +953,7 @@ typedef struct + gsize checked; + + gchar *stop_chars; +- gssize stop_chars_len; ++ gsize stop_chars_len; + gsize length; + } GDataInputStreamReadData; + +@@ -1078,12 +1079,17 @@ g_data_input_stream_read_async (GDataInputStream *stream, + { + GDataInputStreamReadData *data; + GTask *task; ++ gsize stop_chars_len_unsigned; + + data = g_slice_new0 (GDataInputStreamReadData); +- if (stop_chars_len == -1) +- stop_chars_len = strlen (stop_chars); +- data->stop_chars = g_memdup (stop_chars, stop_chars_len); +- data->stop_chars_len = stop_chars_len; ++ ++ if (stop_chars_len < 0) ++ stop_chars_len_unsigned = strlen (stop_chars); ++ else ++ stop_chars_len_unsigned = (gsize) stop_chars_len; ++ ++ data->stop_chars = g_memdup2 (stop_chars, stop_chars_len_unsigned); ++ data->stop_chars_len = stop_chars_len_unsigned; + data->last_saw_cr = FALSE; + + task = g_task_new (stream, cancellable, callback, user_data); +@@ -1338,17 +1344,20 @@ g_data_input_stream_read_upto (GDataInputStream *stream, + gssize found_pos; + gssize res; + char *data_until; ++ gsize stop_chars_len_unsigned; + + g_return_val_if_fail (G_IS_DATA_INPUT_STREAM (stream), NULL); + + if (stop_chars_len < 0) +- stop_chars_len = strlen (stop_chars); ++ stop_chars_len_unsigned = strlen (stop_chars); ++ else ++ stop_chars_len_unsigned = (gsize) stop_chars_len; + + bstream = G_BUFFERED_INPUT_STREAM (stream); + + checked = 0; + +- while ((found_pos = scan_for_chars (stream, &checked, stop_chars, stop_chars_len)) == -1) ++ while ((found_pos = scan_for_chars (stream, &checked, stop_chars, stop_chars_len_unsigned)) == -1) + { + if (g_buffered_input_stream_get_available (bstream) == + g_buffered_input_stream_get_buffer_size (bstream)) +diff --git a/gio/gdbusconnection.c b/gio/gdbusconnection.c +index 1a4dae3bd..9de661bde 100644 +--- a/gio/gdbusconnection.c ++++ b/gio/gdbusconnection.c +@@ -110,6 +110,7 @@ + #include "gasyncinitable.h" + #include "giostream.h" + #include "gasyncresult.h" ++#include "gstrfuncsprivate.h" + #include "gtask.h" + #include "gmarshal-internal.h" + +@@ -4007,7 +4008,7 @@ _g_dbus_interface_vtable_copy (const GDBusInterfaceVTable *vtable) + /* Don't waste memory by copying padding - remember to update this + * when changing struct _GDBusInterfaceVTable in gdbusconnection.h + */ +- return g_memdup ((gconstpointer) vtable, 3 * sizeof (gpointer)); ++ return g_memdup2 ((gconstpointer) vtable, 3 * sizeof (gpointer)); + } + + static void +@@ -4024,7 +4025,7 @@ _g_dbus_subtree_vtable_copy (const GDBusSubtreeVTable *vtable) + /* Don't waste memory by copying padding - remember to update this + * when changing struct _GDBusSubtreeVTable in gdbusconnection.h + */ +- return g_memdup ((gconstpointer) vtable, 3 * sizeof (gpointer)); ++ return g_memdup2 ((gconstpointer) vtable, 3 * sizeof (gpointer)); + } + + static void +diff --git a/gio/gdbusinterfaceskeleton.c b/gio/gdbusinterfaceskeleton.c +index 4a06516c1..4a4b719a5 100644 +--- a/gio/gdbusinterfaceskeleton.c ++++ b/gio/gdbusinterfaceskeleton.c +@@ -28,6 +28,7 @@ + #include "gdbusmethodinvocation.h" + #include "gdbusconnection.h" + #include "gmarshal-internal.h" ++#include "gstrfuncsprivate.h" + #include "gtask.h" + #include "gioerror.h" + +@@ -701,7 +702,7 @@ add_connection_locked (GDBusInterfaceSkeleton *interface_, + * properly before building the hooked_vtable, so we create it + * once at the last minute. + */ +- interface_->priv->hooked_vtable = g_memdup (g_dbus_interface_skeleton_get_vtable (interface_), sizeof (GDBusInterfaceVTable)); ++ interface_->priv->hooked_vtable = g_memdup2 (g_dbus_interface_skeleton_get_vtable (interface_), sizeof (GDBusInterfaceVTable)); + interface_->priv->hooked_vtable->method_call = skeleton_intercept_handle_method_call; + } + +diff --git a/gio/gfile.c b/gio/gfile.c +index a2ded14ea..25930435f 100644 +--- a/gio/gfile.c ++++ b/gio/gfile.c +@@ -60,6 +60,7 @@ + #include "gasyncresult.h" + #include "gioerror.h" + #include "glibintl.h" ++#include "gstrfuncsprivate.h" + + + /** +@@ -7854,7 +7855,7 @@ measure_disk_usage_progress (gboolean reporting, + g_main_context_invoke_full (g_task_get_context (task), + g_task_get_priority (task), + measure_disk_usage_invoke_progress, +- g_memdup (&progress, sizeof progress), ++ g_memdup2 (&progress, sizeof progress), + g_free); + } + +@@ -7872,7 +7873,7 @@ measure_disk_usage_thread (GTask *task, + data->progress_callback ? measure_disk_usage_progress : NULL, task, + &result.disk_usage, &result.num_dirs, &result.num_files, + &error)) +- g_task_return_pointer (task, g_memdup (&result, sizeof result), g_free); ++ g_task_return_pointer (task, g_memdup2 (&result, sizeof result), g_free); + else + g_task_return_error (task, error); + } +@@ -7896,7 +7897,7 @@ g_file_real_measure_disk_usage_async (GFile *file, + + task = g_task_new (file, cancellable, callback, user_data); + g_task_set_source_tag (task, g_file_real_measure_disk_usage_async); +- g_task_set_task_data (task, g_memdup (&data, sizeof data), g_free); ++ g_task_set_task_data (task, g_memdup2 (&data, sizeof data), g_free); + g_task_set_priority (task, io_priority); + + g_task_run_in_thread (task, measure_disk_usage_thread); +diff --git a/gio/giowin32-private.c b/gio/giowin32-private.c +index 7120ae0ea..47e840805 100644 +--- a/gio/giowin32-private.c ++++ b/gio/giowin32-private.c +@@ -16,11 +16,12 @@ + * along with this library; if not, see . + */ + ++#include "gstrfuncsprivate.h" + +-static gssize ++static gsize + g_utf16_len (const gunichar2 *str) + { +- gssize result; ++ gsize result; + + for (result = 0; str[0] != 0; str++, result++) + ; +@@ -31,17 +32,20 @@ g_utf16_len (const gunichar2 *str) + static gunichar2 * + g_wcsdup (const gunichar2 *str, gssize str_len) + { +- gssize str_size; ++ gsize str_len_unsigned; ++ gsize str_size; + + g_return_val_if_fail (str != NULL, NULL); + +- if (str_len == -1) +- str_len = g_utf16_len (str); ++ if (str_len < 0) ++ str_len_unsigned = g_utf16_len (str); ++ else ++ str_len_unsigned = (gsize) str_len; + +- g_assert (str_len <= G_MAXSIZE / sizeof (gunichar2) - 1); +- str_size = (str_len + 1) * sizeof (gunichar2); ++ g_assert (str_len_unsigned <= G_MAXSIZE / sizeof (gunichar2) - 1); ++ str_size = (str_len_unsigned + 1) * sizeof (gunichar2); + +- return g_memdup (str, str_size); ++ return g_memdup2 (str, str_size); + } + + static const gunichar2 * +diff --git a/gio/gkeyfilesettingsbackend.c b/gio/gkeyfilesettingsbackend.c +index cd5765afd..de216e615 100644 +--- a/gio/gkeyfilesettingsbackend.c ++++ b/gio/gkeyfilesettingsbackend.c +@@ -33,6 +33,7 @@ + #include "gfilemonitor.h" + #include "gsimplepermission.h" + #include "gsettingsbackendinternal.h" ++#include "gstrfuncsprivate.h" + #include "giomodule-priv.h" + #include "gportalsupport.h" + +@@ -145,8 +146,8 @@ convert_path (GKeyfileSettingsBackend *kfsb, + gchar **group, + gchar **basename) + { +- gint key_len = strlen (key); +- gint i; ++ gsize key_len = strlen (key); ++ const gchar *last_slash; + + if (key_len < kfsb->prefix_len || + memcmp (key, kfsb->prefix, kfsb->prefix_len) != 0) +@@ -155,38 +156,48 @@ convert_path (GKeyfileSettingsBackend *kfsb, + key_len -= kfsb->prefix_len; + key += kfsb->prefix_len; + +- for (i = key_len; i >= 0; i--) +- if (key[i] == '/') +- break; ++ last_slash = strrchr (key, '/'); ++ ++ /* Disallow empty group names or key names */ ++ if (key_len == 0 || ++ (last_slash != NULL && ++ (*(last_slash + 1) == '\0' || ++ last_slash == key))) ++ return FALSE; + + if (kfsb->root_group) + { + /* if a root_group was specified, make sure the user hasn't given + * a path that ghosts that group name + */ +- if (i == kfsb->root_group_len && memcmp (key, kfsb->root_group, i) == 0) ++ if (last_slash != NULL && (last_slash - key) == kfsb->root_group_len && memcmp (key, kfsb->root_group, last_slash - key) == 0) + return FALSE; + } + else + { + /* if no root_group was given, ensure that the user gave a path */ +- if (i == -1) ++ if (last_slash == NULL) + return FALSE; + } + + if (group) + { +- if (i >= 0) ++ if (last_slash != NULL) + { +- *group = g_memdup (key, i + 1); +- (*group)[i] = '\0'; ++ *group = g_memdup2 (key, (last_slash - key) + 1); ++ (*group)[(last_slash - key)] = '\0'; + } + else + *group = g_strdup (kfsb->root_group); + } + + if (basename) +- *basename = g_memdup (key + i + 1, key_len - i); ++ { ++ if (last_slash != NULL) ++ *basename = g_memdup2 (last_slash + 1, key_len - (last_slash - key)); ++ else ++ *basename = g_strdup (key); ++ } + + return TRUE; + } +diff --git a/gio/gsettingsschema.c b/gio/gsettingsschema.c +index 0b94f76f6..eb5a3b846 100644 +--- a/gio/gsettingsschema.c ++++ b/gio/gsettingsschema.c +@@ -20,6 +20,7 @@ + + #include "gsettingsschema-internal.h" + #include "gsettings.h" ++#include "gstrfuncsprivate.h" + + #include "gvdb/gvdb-reader.h" + #include "strinfo.c" +@@ -1067,9 +1068,9 @@ g_settings_schema_list_children (GSettingsSchema *schema) + + if (g_str_has_suffix (key, "/")) + { +- gint length = strlen (key); ++ gsize length = strlen (key); + +- strv[j] = g_memdup (key, length); ++ strv[j] = g_memdup2 (key, length); + strv[j][length - 1] = '\0'; + j++; + } +diff --git a/gio/gsocket.c b/gio/gsocket.c +index 2a15bdd22..554af026b 100644 +--- a/gio/gsocket.c ++++ b/gio/gsocket.c +@@ -75,6 +75,7 @@ + #include "gcredentialsprivate.h" + #include "glibintl.h" + #include "gioprivate.h" ++#include "gstrfuncsprivate.h" + + #ifdef G_OS_WIN32 + /* For Windows XP runtime compatibility, but use the system's if_nametoindex() if available */ +@@ -174,7 +175,7 @@ static gboolean g_socket_datagram_based_condition_wait (GDatagramBased + GError **error); + + static GSocketAddress * +-cache_recv_address (GSocket *socket, struct sockaddr *native, int native_len); ++cache_recv_address (GSocket *socket, struct sockaddr *native, size_t native_len); + + static gssize + g_socket_receive_message_with_timeout (GSocket *socket, +@@ -260,7 +261,7 @@ struct _GSocketPrivate + struct { + GSocketAddress *addr; + struct sockaddr *native; +- gint native_len; ++ gsize native_len; + guint64 last_used; + } recv_addr_cache[RECV_ADDR_CACHE_SIZE]; + }; +@@ -5259,14 +5260,14 @@ g_socket_send_messages_with_timeout (GSocket *socket, + } + + static GSocketAddress * +-cache_recv_address (GSocket *socket, struct sockaddr *native, int native_len) ++cache_recv_address (GSocket *socket, struct sockaddr *native, size_t native_len) + { + GSocketAddress *saddr; + gint i; + guint64 oldest_time = G_MAXUINT64; + gint oldest_index = 0; + +- if (native_len <= 0) ++ if (native_len == 0) + return NULL; + + saddr = NULL; +@@ -5274,7 +5275,7 @@ cache_recv_address (GSocket *socket, struct sockaddr *native, int native_len) + { + GSocketAddress *tmp = socket->priv->recv_addr_cache[i].addr; + gpointer tmp_native = socket->priv->recv_addr_cache[i].native; +- gint tmp_native_len = socket->priv->recv_addr_cache[i].native_len; ++ gsize tmp_native_len = socket->priv->recv_addr_cache[i].native_len; + + if (!tmp) + continue; +@@ -5304,7 +5305,7 @@ cache_recv_address (GSocket *socket, struct sockaddr *native, int native_len) + g_free (socket->priv->recv_addr_cache[oldest_index].native); + } + +- socket->priv->recv_addr_cache[oldest_index].native = g_memdup (native, native_len); ++ socket->priv->recv_addr_cache[oldest_index].native = g_memdup2 (native, native_len); + socket->priv->recv_addr_cache[oldest_index].native_len = native_len; + socket->priv->recv_addr_cache[oldest_index].addr = g_object_ref (saddr); + socket->priv->recv_addr_cache[oldest_index].last_used = g_get_monotonic_time (); +@@ -5452,6 +5453,9 @@ g_socket_receive_message_with_timeout (GSocket *socket, + /* do it */ + while (1) + { ++ /* addrlen has to be of type int because that’s how WSARecvFrom() is defined */ ++ G_STATIC_ASSERT (sizeof addr <= G_MAXINT); ++ + addrlen = sizeof addr; + if (address) + result = WSARecvFrom (socket->priv->fd, +diff --git a/gio/gtlspassword.c b/gio/gtlspassword.c +index 1e437a7b6..bd86a6dfe 100644 +--- a/gio/gtlspassword.c ++++ b/gio/gtlspassword.c +@@ -23,6 +23,7 @@ + #include "glibintl.h" + + #include "gioenumtypes.h" ++#include "gstrfuncsprivate.h" + #include "gtlspassword.h" + + #include +@@ -287,9 +288,14 @@ g_tls_password_set_value (GTlsPassword *password, + g_return_if_fail (G_IS_TLS_PASSWORD (password)); + + if (length < 0) +- length = strlen ((gchar *)value); ++ { ++ /* FIXME: g_tls_password_set_value_full() doesn’t support unsigned gsize */ ++ gsize length_unsigned = strlen ((gchar *) value); ++ g_return_if_fail (length_unsigned <= G_MAXSSIZE); ++ length = (gssize) length_unsigned; ++ } + +- g_tls_password_set_value_full (password, g_memdup (value, length), length, g_free); ++ g_tls_password_set_value_full (password, g_memdup2 (value, (gsize) length), length, g_free); + } + + /** +diff --git a/gio/gwin32registrykey.c b/gio/gwin32registrykey.c +index aa7819294..efb9ae713 100644 +--- a/gio/gwin32registrykey.c ++++ b/gio/gwin32registrykey.c +@@ -28,6 +28,8 @@ + #include + #include + ++#include "gstrfuncsprivate.h" ++ + #ifndef _WDMDDK_ + typedef enum _KEY_INFORMATION_CLASS { + KeyBasicInformation, +@@ -125,16 +127,34 @@ typedef enum + G_WIN32_REGISTRY_UPDATED_PATH = 1, + } GWin32RegistryKeyUpdateFlag; + ++static gsize ++g_utf16_len (const gunichar2 *str) ++{ ++ gsize result; ++ ++ for (result = 0; str[0] != 0; str++, result++) ++ ; ++ ++ return result; ++} ++ + static gunichar2 * +-g_wcsdup (const gunichar2 *str, +- gssize str_size) ++g_wcsdup (const gunichar2 *str, gssize str_len) + { +- if (str_size == -1) +- { +- str_size = wcslen (str) + 1; +- str_size *= sizeof (gunichar2); +- } +- return g_memdup (str, str_size); ++ gsize str_len_unsigned; ++ gsize str_size; ++ ++ g_return_val_if_fail (str != NULL, NULL); ++ ++ if (str_len < 0) ++ str_len_unsigned = g_utf16_len (str); ++ else ++ str_len_unsigned = (gsize) str_len; ++ ++ g_assert (str_len_unsigned <= G_MAXSIZE / sizeof (gunichar2) - 1); ++ str_size = (str_len_unsigned + 1) * sizeof (gunichar2); ++ ++ return g_memdup2 (str, str_size); + } + + /** +@@ -247,7 +267,7 @@ g_win32_registry_value_iter_copy (const GWin32RegistryValueIter *iter) + new_iter->value_name_size = iter->value_name_size; + + if (iter->value_data != NULL) +- new_iter->value_data = g_memdup (iter->value_data, iter->value_data_size); ++ new_iter->value_data = g_memdup2 (iter->value_data, iter->value_data_size); + + new_iter->value_data_size = iter->value_data_size; + +@@ -268,8 +288,8 @@ g_win32_registry_value_iter_copy (const GWin32RegistryValueIter *iter) + new_iter->value_data_expanded_charsize = iter->value_data_expanded_charsize; + + if (iter->value_data_expanded_u8 != NULL) +- new_iter->value_data_expanded_u8 = g_memdup (iter->value_data_expanded_u8, +- iter->value_data_expanded_charsize); ++ new_iter->value_data_expanded_u8 = g_memdup2 (iter->value_data_expanded_u8, ++ iter->value_data_expanded_charsize); + + new_iter->value_data_expanded_u8_size = iter->value_data_expanded_charsize; + +diff --git a/gio/tests/async-close-output-stream.c b/gio/tests/async-close-output-stream.c +index 5f6620275..d3f97a119 100644 +--- a/gio/tests/async-close-output-stream.c ++++ b/gio/tests/async-close-output-stream.c +@@ -24,6 +24,8 @@ + #include + #include + ++#include "gstrfuncsprivate.h" ++ + #define DATA_TO_WRITE "Hello world\n" + + typedef struct +@@ -147,9 +149,9 @@ prepare_data (SetupData *data, + + data->expected_size = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (data->data_stream)); + +- g_assert_cmpint (data->expected_size, >, 0); ++ g_assert_cmpuint (data->expected_size, >, 0); + +- data->expected_output = g_memdup (written, (guint)data->expected_size); ++ data->expected_output = g_memdup2 (written, data->expected_size); + + /* then recreate the streams and prepare them for the asynchronous close */ + destroy_streams (data); +diff --git a/gio/tests/gdbus-export.c b/gio/tests/gdbus-export.c +index fda654c44..10dd6d82f 100644 +--- a/gio/tests/gdbus-export.c ++++ b/gio/tests/gdbus-export.c +@@ -23,6 +23,7 @@ + #include + + #include "gdbus-tests.h" ++#include "gstrfuncsprivate.h" + + /* all tests rely on a shared mainloop */ + static GMainLoop *loop = NULL; +@@ -671,7 +672,7 @@ subtree_introspect (GDBusConnection *connection, + g_assert_not_reached (); + } + +- return g_memdup (interfaces, 2 * sizeof (void *)); ++ return g_memdup2 (interfaces, 2 * sizeof (void *)); + } + + static const GDBusInterfaceVTable * +@@ -727,7 +728,7 @@ dynamic_subtree_introspect (GDBusConnection *connection, + { + const GDBusInterfaceInfo *interfaces[2] = { &dyna_interface_info, NULL }; + +- return g_memdup (interfaces, 2 * sizeof (void *)); ++ return g_memdup2 (interfaces, 2 * sizeof (void *)); + } + + static const GDBusInterfaceVTable * +diff --git a/gio/tests/gsettings.c b/gio/tests/gsettings.c +index baadca8f5..afe594a23 100644 +--- a/gio/tests/gsettings.c ++++ b/gio/tests/gsettings.c +@@ -1,3 +1,4 @@ ++#include + #include + #include + #include +@@ -1740,6 +1741,14 @@ key_changed_cb (GSettings *settings, const gchar *key, gpointer data) + (*b) = TRUE; + } + ++typedef struct ++{ ++ const gchar *path; ++ const gchar *root_group; ++ const gchar *keyfile_group; ++ const gchar *root_path; ++} KeyfileTestData; ++ + /* + * Test that using a keyfile works + */ +@@ -1834,7 +1843,11 @@ test_keyfile (Fixture *fixture, + g_free (str); + + g_settings_set (settings, "farewell", "s", "cheerio"); +- ++ ++ /* Check that empty keys/groups are not allowed. */ ++ g_assert_false (g_settings_is_writable (settings, "")); ++ g_assert_false (g_settings_is_writable (settings, "/")); ++ + /* When executing as root, changing the mode of the keyfile will have + * no effect on the writability of the settings. + */ +@@ -1866,6 +1879,149 @@ test_keyfile (Fixture *fixture, + g_free (keyfile_path); + } + ++/* ++ * Test that using a keyfile works with a schema with no path set. ++ */ ++static void ++test_keyfile_no_path (Fixture *fixture, ++ gconstpointer user_data) ++{ ++ const KeyfileTestData *test_data = user_data; ++ GSettingsBackend *kf_backend; ++ GSettings *settings; ++ GKeyFile *keyfile; ++ gboolean writable; ++ gchar *key = NULL; ++ GError *error = NULL; ++ gchar *keyfile_path = NULL, *store_path = NULL; ++ ++ keyfile_path = g_build_filename (fixture->tmp_dir, "keyfile", NULL); ++ store_path = g_build_filename (keyfile_path, "gsettings.store", NULL); ++ kf_backend = g_keyfile_settings_backend_new (store_path, test_data->root_path, test_data->root_group); ++ settings = g_settings_new_with_backend_and_path ("org.gtk.test.no-path", kf_backend, test_data->path); ++ g_object_unref (kf_backend); ++ ++ g_settings_reset (settings, "test-boolean"); ++ g_assert_true (g_settings_get_boolean (settings, "test-boolean")); ++ ++ writable = g_settings_is_writable (settings, "test-boolean"); ++ g_assert_true (writable); ++ g_settings_set (settings, "test-boolean", "b", FALSE); ++ ++ g_assert_false (g_settings_get_boolean (settings, "test-boolean")); ++ ++ g_settings_delay (settings); ++ g_settings_set (settings, "test-boolean", "b", TRUE); ++ g_settings_apply (settings); ++ ++ keyfile = g_key_file_new (); ++ g_assert_true (g_key_file_load_from_file (keyfile, store_path, 0, NULL)); ++ ++ g_assert_true (g_key_file_get_boolean (keyfile, test_data->keyfile_group, "test-boolean", NULL)); ++ ++ g_key_file_free (keyfile); ++ ++ g_settings_reset (settings, "test-boolean"); ++ g_settings_apply (settings); ++ keyfile = g_key_file_new (); ++ g_assert_true (g_key_file_load_from_file (keyfile, store_path, 0, NULL)); ++ ++ g_assert_false (g_key_file_get_string (keyfile, test_data->keyfile_group, "test-boolean", &error)); ++ g_assert_error (error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND); ++ g_clear_error (&error); ++ ++ /* Check that empty keys/groups are not allowed. */ ++ g_assert_false (g_settings_is_writable (settings, "")); ++ g_assert_false (g_settings_is_writable (settings, "/")); ++ ++ /* Keys which ghost the root group name are not allowed. This can only be ++ * tested when the path is `/` as otherwise it acts as a prefix and prevents ++ * any ghosting. */ ++ if (g_str_equal (test_data->path, "/")) ++ { ++ key = g_strdup_printf ("%s/%s", test_data->root_group, ""); ++ g_assert_false (g_settings_is_writable (settings, key)); ++ g_free (key); ++ ++ key = g_strdup_printf ("%s/%s", test_data->root_group, "/"); ++ g_assert_false (g_settings_is_writable (settings, key)); ++ g_free (key); ++ ++ key = g_strdup_printf ("%s/%s", test_data->root_group, "test-boolean"); ++ g_assert_false (g_settings_is_writable (settings, key)); ++ g_free (key); ++ } ++ ++ g_key_file_free (keyfile); ++ g_object_unref (settings); ++ ++ /* Clean up the temporary directory. */ ++ g_assert_cmpint (g_chmod (keyfile_path, 0777) == 0 ? 0 : errno, ==, 0); ++ g_assert_cmpint (g_remove (store_path) == 0 ? 0 : errno, ==, 0); ++ g_assert_cmpint (g_rmdir (keyfile_path) == 0 ? 0 : errno, ==, 0); ++ g_free (store_path); ++ g_free (keyfile_path); ++} ++ ++/* ++ * Test that a keyfile rejects writes to keys outside its root path. ++ */ ++static void ++test_keyfile_outside_root_path (Fixture *fixture, ++ gconstpointer user_data) ++{ ++ GSettingsBackend *kf_backend; ++ GSettings *settings; ++ gchar *keyfile_path = NULL, *store_path = NULL; ++ ++ keyfile_path = g_build_filename (fixture->tmp_dir, "keyfile", NULL); ++ store_path = g_build_filename (keyfile_path, "gsettings.store", NULL); ++ kf_backend = g_keyfile_settings_backend_new (store_path, "/tests/basic-types/", "root"); ++ settings = g_settings_new_with_backend_and_path ("org.gtk.test.no-path", kf_backend, "/tests/"); ++ g_object_unref (kf_backend); ++ ++ g_assert_false (g_settings_is_writable (settings, "test-boolean")); ++ ++ g_object_unref (settings); ++ ++ /* Clean up the temporary directory. The keyfile probably doesn’t exist, so ++ * don’t error on failure. */ ++ g_remove (store_path); ++ g_assert_cmpint (g_rmdir (keyfile_path) == 0 ? 0 : errno, ==, 0); ++ g_free (store_path); ++ g_free (keyfile_path); ++} ++ ++/* ++ * Test that a keyfile rejects writes to keys in the root if no root group is set. ++ */ ++static void ++test_keyfile_no_root_group (Fixture *fixture, ++ gconstpointer user_data) ++{ ++ GSettingsBackend *kf_backend; ++ GSettings *settings; ++ gchar *keyfile_path = NULL, *store_path = NULL; ++ ++ keyfile_path = g_build_filename (fixture->tmp_dir, "keyfile", NULL); ++ store_path = g_build_filename (keyfile_path, "gsettings.store", NULL); ++ kf_backend = g_keyfile_settings_backend_new (store_path, "/", NULL); ++ settings = g_settings_new_with_backend_and_path ("org.gtk.test.no-path", kf_backend, "/"); ++ g_object_unref (kf_backend); ++ ++ g_assert_false (g_settings_is_writable (settings, "test-boolean")); ++ g_assert_true (g_settings_is_writable (settings, "child/test-boolean")); ++ ++ g_object_unref (settings); ++ ++ /* Clean up the temporary directory. The keyfile probably doesn’t exist, so ++ * don’t error on failure. */ ++ g_remove (store_path); ++ g_assert_cmpint (g_rmdir (keyfile_path) == 0 ? 0 : errno, ==, 0); ++ g_free (store_path); ++ g_free (keyfile_path); ++} ++ + /* Test that getting child schemas works + */ + static void +@@ -2844,6 +3000,14 @@ main (int argc, char *argv[]) + gchar *override_text; + gchar *enums; + gint result; ++ const KeyfileTestData keyfile_test_data_explicit_path = { "/tests/", "root", "tests", "/" }; ++ const KeyfileTestData keyfile_test_data_empty_path = { "/", "root", "root", "/" }; ++ const KeyfileTestData keyfile_test_data_long_path = { ++ "/tests/path/is/very/long/and/this/makes/some/comparisons/take/a/different/branch/", ++ "root", ++ "tests/path/is/very/long/and/this/makes/some/comparisons/take/a/different/branch", ++ "/" ++ }; + + /* Meson build sets this */ + #ifdef TEST_LOCALE_PATH +@@ -2967,6 +3131,11 @@ main (int argc, char *argv[]) + } + + g_test_add ("/gsettings/keyfile", Fixture, NULL, setup, test_keyfile, teardown); ++ g_test_add ("/gsettings/keyfile/explicit-path", Fixture, &keyfile_test_data_explicit_path, setup, test_keyfile_no_path, teardown); ++ g_test_add ("/gsettings/keyfile/empty-path", Fixture, &keyfile_test_data_empty_path, setup, test_keyfile_no_path, teardown); ++ g_test_add ("/gsettings/keyfile/long-path", Fixture, &keyfile_test_data_long_path, setup, test_keyfile_no_path, teardown); ++ g_test_add ("/gsettings/keyfile/outside-root-path", Fixture, NULL, setup, test_keyfile_outside_root_path, teardown); ++ g_test_add ("/gsettings/keyfile/no-root-group", Fixture, NULL, setup, test_keyfile_no_root_group, teardown); + g_test_add_func ("/gsettings/child-schema", test_child_schema); + g_test_add_func ("/gsettings/strinfo", test_strinfo); + g_test_add_func ("/gsettings/enums", test_enums); +diff --git a/gio/tests/tls-interaction.c b/gio/tests/tls-interaction.c +index 4f0737d7e..5661e8e0d 100644 +--- a/gio/tests/tls-interaction.c ++++ b/gio/tests/tls-interaction.c +@@ -174,6 +174,38 @@ test_interaction_ask_password_finish_failure (GTlsInteraction *interaction, + } + + ++/* Return a copy of @str that is allocated in a silly way, to exercise ++ * custom free-functions. The returned pointer points to a copy of @str ++ * in a buffer of the form "BEFORE \0 str \0 AFTER". */ ++static guchar * ++special_dup (const char *str) ++{ ++ GString *buf = g_string_new ("BEFORE"); ++ guchar *ret; ++ ++ g_string_append_c (buf, '\0'); ++ g_string_append (buf, str); ++ g_string_append_c (buf, '\0'); ++ g_string_append (buf, "AFTER"); ++ ret = (guchar *) g_string_free (buf, FALSE); ++ return ret + strlen ("BEFORE") + 1; ++} ++ ++ ++/* Free a copy of @str that was made with special_dup(), after asserting ++ * that it has not been corrupted. */ ++static void ++special_free (gpointer p) ++{ ++ gchar *s = p; ++ gchar *buf = s - strlen ("BEFORE") - 1; ++ ++ g_assert_cmpstr (buf, ==, "BEFORE"); ++ g_assert_cmpstr (s + strlen (s) + 1, ==, "AFTER"); ++ g_free (buf); ++} ++ ++ + static GTlsInteractionResult + test_interaction_ask_password_sync_success (GTlsInteraction *interaction, + GTlsPassword *password, +@@ -181,6 +213,8 @@ test_interaction_ask_password_sync_success (GTlsInteraction *interaction, + GError **error) + { + TestInteraction *self; ++ const guchar *value; ++ gsize len; + + g_assert (TEST_IS_INTERACTION (interaction)); + self = TEST_INTERACTION (interaction); +@@ -192,6 +226,27 @@ test_interaction_ask_password_sync_success (GTlsInteraction *interaction, + g_assert (error != NULL); + g_assert (*error == NULL); + ++ /* Exercise different ways to set the value */ ++ g_tls_password_set_value (password, (const guchar *) "foo", 4); ++ len = 0; ++ value = g_tls_password_get_value (password, &len); ++ g_assert_cmpmem (value, len, "foo", 4); ++ ++ g_tls_password_set_value (password, (const guchar *) "bar", -1); ++ len = 0; ++ value = g_tls_password_get_value (password, &len); ++ g_assert_cmpmem (value, len, "bar", 3); ++ ++ g_tls_password_set_value_full (password, special_dup ("baa"), 4, special_free); ++ len = 0; ++ value = g_tls_password_get_value (password, &len); ++ g_assert_cmpmem (value, len, "baa", 4); ++ ++ g_tls_password_set_value_full (password, special_dup ("baz"), -1, special_free); ++ len = 0; ++ value = g_tls_password_get_value (password, &len); ++ g_assert_cmpmem (value, len, "baz", 3); ++ + /* Don't do this in real life. Include a null terminator for testing */ + g_tls_password_set_value (password, (const guchar *)"the password", 13); + return G_TLS_INTERACTION_HANDLED; +diff --git a/gio/win32/gwinhttpfile.c b/gio/win32/gwinhttpfile.c +index cf5eed31d..246ec0578 100644 +--- a/gio/win32/gwinhttpfile.c ++++ b/gio/win32/gwinhttpfile.c +@@ -29,6 +29,7 @@ + #include "gio/gfile.h" + #include "gio/gfileattribute.h" + #include "gio/gfileinfo.h" ++#include "gstrfuncsprivate.h" + #include "gwinhttpfile.h" + #include "gwinhttpfileinputstream.h" + #include "gwinhttpfileoutputstream.h" +@@ -393,10 +394,10 @@ g_winhttp_file_resolve_relative_path (GFile *file, + child = g_object_new (G_TYPE_WINHTTP_FILE, NULL); + child->vfs = winhttp_file->vfs; + child->url = winhttp_file->url; +- child->url.lpszScheme = g_memdup (winhttp_file->url.lpszScheme, (winhttp_file->url.dwSchemeLength+1)*2); +- child->url.lpszHostName = g_memdup (winhttp_file->url.lpszHostName, (winhttp_file->url.dwHostNameLength+1)*2); +- child->url.lpszUserName = g_memdup (winhttp_file->url.lpszUserName, (winhttp_file->url.dwUserNameLength+1)*2); +- child->url.lpszPassword = g_memdup (winhttp_file->url.lpszPassword, (winhttp_file->url.dwPasswordLength+1)*2); ++ child->url.lpszScheme = g_memdup2 (winhttp_file->url.lpszScheme, ((gsize) winhttp_file->url.dwSchemeLength + 1) * 2); ++ child->url.lpszHostName = g_memdup2 (winhttp_file->url.lpszHostName, ((gsize) winhttp_file->url.dwHostNameLength + 1) * 2); ++ child->url.lpszUserName = g_memdup2 (winhttp_file->url.lpszUserName, ((gsize) winhttp_file->url.dwUserNameLength + 1) * 2); ++ child->url.lpszPassword = g_memdup2 (winhttp_file->url.lpszPassword, ((gsize) winhttp_file->url.dwPasswordLength + 1) * 2); + child->url.lpszUrlPath = wnew_path; + child->url.dwUrlPathLength = wcslen (wnew_path); + child->url.lpszExtraInfo = NULL; +diff --git a/glib/gbytes.c b/glib/gbytes.c +index ec6923188..6f17d104c 100644 +--- a/glib/gbytes.c ++++ b/glib/gbytes.c +@@ -34,6 +34,8 @@ + + #include + ++#include "gstrfuncsprivate.h" ++ + /** + * GBytes: + * +@@ -95,7 +97,7 @@ g_bytes_new (gconstpointer data, + { + g_return_val_if_fail (data != NULL || size == 0, NULL); + +- return g_bytes_new_take (g_memdup (data, size), size); ++ return g_bytes_new_take (g_memdup2 (data, size), size); + } + + /** +@@ -499,7 +501,7 @@ g_bytes_unref_to_data (GBytes *bytes, + * Copy: Non g_malloc (or compatible) allocator, or static memory, + * so we have to copy, and then unref. + */ +- result = g_memdup (bytes->data, bytes->size); ++ result = g_memdup2 (bytes->data, bytes->size); + *size = bytes->size; + g_bytes_unref (bytes); + } +diff --git a/glib/gdir.c b/glib/gdir.c +index 6b85e99c8..6747a8c6f 100644 +--- a/glib/gdir.c ++++ b/glib/gdir.c +@@ -37,6 +37,7 @@ + #include "gconvert.h" + #include "gfileutils.h" + #include "gstrfuncs.h" ++#include "gstrfuncsprivate.h" + #include "gtestutils.h" + #include "glibintl.h" + +@@ -112,7 +113,7 @@ g_dir_open_with_errno (const gchar *path, + return NULL; + #endif + +- return g_memdup (&dir, sizeof dir); ++ return g_memdup2 (&dir, sizeof dir); + } + + /** +diff --git a/glib/ghash.c b/glib/ghash.c +index 0f1562a06..c1e15c957 100644 +--- a/glib/ghash.c ++++ b/glib/ghash.c +@@ -34,6 +34,7 @@ + #include "gmacros.h" + #include "glib-private.h" + #include "gstrfuncs.h" ++#include "gstrfuncsprivate.h" + #include "gatomic.h" + #include "gtestutils.h" + #include "gslice.h" +@@ -962,7 +963,7 @@ g_hash_table_ensure_keyval_fits (GHashTable *hash_table, gpointer key, gpointer + if (hash_table->have_big_keys) + { + if (key != value) +- hash_table->values = g_memdup (hash_table->keys, sizeof (gpointer) * hash_table->size); ++ hash_table->values = g_memdup2 (hash_table->keys, sizeof (gpointer) * hash_table->size); + /* Keys and values are both big now, so no need for further checks */ + return; + } +@@ -970,7 +971,7 @@ g_hash_table_ensure_keyval_fits (GHashTable *hash_table, gpointer key, gpointer + { + if (key != value) + { +- hash_table->values = g_memdup (hash_table->keys, sizeof (guint) * hash_table->size); ++ hash_table->values = g_memdup2 (hash_table->keys, sizeof (guint) * hash_table->size); + is_a_set = FALSE; + } + } +@@ -998,7 +999,7 @@ g_hash_table_ensure_keyval_fits (GHashTable *hash_table, gpointer key, gpointer + + /* Just split if necessary */ + if (is_a_set && key != value) +- hash_table->values = g_memdup (hash_table->keys, sizeof (gpointer) * hash_table->size); ++ hash_table->values = g_memdup2 (hash_table->keys, sizeof (gpointer) * hash_table->size); + + #endif + } +diff --git a/glib/giochannel.c b/glib/giochannel.c +index d16399846..b41381d38 100644 +--- a/glib/giochannel.c ++++ b/glib/giochannel.c +@@ -37,6 +37,7 @@ + #include "giochannel.h" + + #include "gstrfuncs.h" ++#include "gstrfuncsprivate.h" + #include "gtestutils.h" + #include "glibintl.h" + +@@ -886,17 +887,26 @@ g_io_channel_set_line_term (GIOChannel *channel, + const gchar *line_term, + gint length) + { ++ guint length_unsigned; ++ + g_return_if_fail (channel != NULL); + g_return_if_fail (line_term == NULL || length != 0); /* Disallow "" */ + + if (line_term == NULL) +- length = 0; +- else if (length < 0) +- length = strlen (line_term); ++ length_unsigned = 0; ++ else if (length >= 0) ++ length_unsigned = (guint) length; ++ else ++ { ++ /* FIXME: We’re constrained by line_term_len being a guint here */ ++ gsize length_size = strlen (line_term); ++ g_return_if_fail (length_size <= G_MAXUINT); ++ length_unsigned = (guint) length_size; ++ } + + g_free (channel->line_term); +- channel->line_term = line_term ? g_memdup (line_term, length) : NULL; +- channel->line_term_len = length; ++ channel->line_term = line_term ? g_memdup2 (line_term, length_unsigned) : NULL; ++ channel->line_term_len = length_unsigned; + } + + /** +@@ -1673,10 +1683,10 @@ g_io_channel_read_line (GIOChannel *channel, + + /* Copy the read bytes (including any embedded nuls) and nul-terminate. + * `USE_BUF (channel)->str` is guaranteed to be nul-terminated as it’s a +- * #GString, so it’s safe to call g_memdup() with +1 length to allocate ++ * #GString, so it’s safe to call g_memdup2() with +1 length to allocate + * a nul-terminator. */ + g_assert (USE_BUF (channel)); +- line = g_memdup (USE_BUF (channel)->str, got_length + 1); ++ line = g_memdup2 (USE_BUF (channel)->str, got_length + 1); + line[got_length] = '\0'; + *str_return = g_steal_pointer (&line); + g_string_erase (USE_BUF (channel), 0, got_length); +diff --git a/glib/gslice.c b/glib/gslice.c +index 4c758c3be..bcdbb8853 100644 +--- a/glib/gslice.c ++++ b/glib/gslice.c +@@ -41,6 +41,7 @@ + #include "gmain.h" + #include "gmem.h" /* gslice.h */ + #include "gstrfuncs.h" ++#include "gstrfuncsprivate.h" + #include "gutils.h" + #include "gtrashstack.h" + #include "gtestutils.h" +@@ -350,7 +351,7 @@ g_slice_get_config_state (GSliceConfig ckey, + array[i++] = allocator->contention_counters[address]; + array[i++] = allocator_get_magazine_threshold (allocator, address); + *n_values = i; +- return g_memdup (array, sizeof (array[0]) * *n_values); ++ return g_memdup2 (array, sizeof (array[0]) * *n_values); + default: + return NULL; + } +diff --git a/glib/gstrfuncsprivate.h b/glib/gstrfuncsprivate.h +new file mode 100644 +index 000000000..85c88328a +--- /dev/null ++++ b/glib/gstrfuncsprivate.h +@@ -0,0 +1,55 @@ ++/* GLIB - Library of useful routines for C programming ++ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald ++ * ++ * This library is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU Lesser General Public ++ * License as published by the Free Software Foundation; either ++ * version 2.1 of the License, or (at your option) any later version. ++ * ++ * This library 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 ++ * Lesser General Public License for more details. ++ * ++ * You should have received a copy of the GNU Lesser General Public ++ * License along with this library; if not, see . ++ */ ++ ++#include ++#include ++ ++/* ++ * g_memdup2: ++ * @mem: (nullable): the memory to copy. ++ * @byte_size: the number of bytes to copy. ++ * ++ * Allocates @byte_size bytes of memory, and copies @byte_size bytes into it ++ * from @mem. If @mem is %NULL it returns %NULL. ++ * ++ * This replaces g_memdup(), which was prone to integer overflows when ++ * converting the argument from a #gsize to a #guint. ++ * ++ * This static inline version is a backport of the new public API from ++ * GLib 2.68, kept internal to GLib for backport to older stable releases. ++ * See https://gitlab.gnome.org/GNOME/glib/-/issues/2319. ++ * ++ * Returns: (nullable): a pointer to the newly-allocated copy of the memory, ++ * or %NULL if @mem is %NULL. ++ * Since: 2.68 ++ */ ++static inline gpointer ++g_memdup2 (gconstpointer mem, ++ gsize byte_size) ++{ ++ gpointer new_mem; ++ ++ if (mem && byte_size != 0) ++ { ++ new_mem = g_malloc (byte_size); ++ memcpy (new_mem, mem, byte_size); ++ } ++ else ++ new_mem = NULL; ++ ++ return new_mem; ++} +diff --git a/glib/gtestutils.c b/glib/gtestutils.c +index 18b117285..26d46ad75 100644 +--- a/glib/gtestutils.c ++++ b/glib/gtestutils.c +@@ -49,6 +49,7 @@ + #include "gpattern.h" + #include "grand.h" + #include "gstrfuncs.h" ++#include "gstrfuncsprivate.h" + #include "gtimer.h" + #include "gslice.h" + #include "gspawn.h" +@@ -3803,7 +3804,7 @@ g_test_log_extract (GTestLogBuffer *tbuffer) + if (p <= tbuffer->data->str + mlength) + { + g_string_erase (tbuffer->data, 0, mlength); +- tbuffer->msgs = g_slist_prepend (tbuffer->msgs, g_memdup (&msg, sizeof (msg))); ++ tbuffer->msgs = g_slist_prepend (tbuffer->msgs, g_memdup2 (&msg, sizeof (msg))); + return TRUE; + } + +diff --git a/glib/gvariant.c b/glib/gvariant.c +index 77d7e746b..ef4257f6d 100644 +--- a/glib/gvariant.c ++++ b/glib/gvariant.c +@@ -33,6 +33,7 @@ + + #include + ++#include "gstrfuncsprivate.h" + + /** + * SECTION:gvariant +@@ -725,7 +726,7 @@ g_variant_new_variant (GVariant *value) + g_variant_ref_sink (value); + + return g_variant_new_from_children (G_VARIANT_TYPE_VARIANT, +- g_memdup (&value, sizeof value), ++ g_memdup2 (&value, sizeof value), + 1, g_variant_is_trusted (value)); + } + +@@ -1229,7 +1230,7 @@ g_variant_new_fixed_array (const GVariantType *element_type, + return NULL; + } + +- data = g_memdup (elements, n_elements * element_size); ++ data = g_memdup2 (elements, n_elements * element_size); + value = g_variant_new_from_data (array_type, data, + n_elements * element_size, + FALSE, g_free, data); +@@ -1908,7 +1909,7 @@ g_variant_dup_bytestring (GVariant *value, + if (length) + *length = size; + +- return g_memdup (original, size + 1); ++ return g_memdup2 (original, size + 1); + } + + /** +diff --git a/glib/gvarianttype.c b/glib/gvarianttype.c +index c46f1a2c6..585e29ab2 100644 +--- a/glib/gvarianttype.c ++++ b/glib/gvarianttype.c +@@ -28,6 +28,7 @@ + + #include + ++#include "gstrfuncsprivate.h" + + /** + * SECTION:gvarianttype +@@ -1181,7 +1182,7 @@ g_variant_type_new_tuple (const GVariantType * const *items, + g_assert (offset < sizeof buffer); + buffer[offset++] = ')'; + +- return (GVariantType *) g_memdup (buffer, offset); ++ return (GVariantType *) g_memdup2 (buffer, offset); + } + + /** +diff --git a/glib/meson.build b/glib/meson.build +index 456e0c2a1..2e5cd77bb 100644 +--- a/glib/meson.build ++++ b/glib/meson.build +@@ -268,6 +268,7 @@ glib_sources = files( + 'gslist.c', + 'gstdio.c', + 'gstrfuncs.c', ++ 'gstrfuncsprivate.h', + 'gstring.c', + 'gstringchunk.c', + 'gtestutils.c', +diff --git a/glib/tests/array-test.c b/glib/tests/array-test.c +index 1da514a3e..88f22de80 100644 +--- a/glib/tests/array-test.c ++++ b/glib/tests/array-test.c +@@ -29,6 +29,8 @@ + #include + #include "glib.h" + ++#include "gstrfuncsprivate.h" ++ + /* Test data to be passed to any function which calls g_array_new(), providing + * the parameters for that call. Most #GArray tests should be repeated for all + * possible values of #ArrayTestData. */ +@@ -1917,7 +1919,7 @@ byte_array_new_take (void) + GByteArray *gbarray; + guint8 *data; + +- data = g_memdup ("woooweeewow", 11); ++ data = g_memdup2 ("woooweeewow", 11); + gbarray = g_byte_array_new_take (data, 11); + g_assert (gbarray->data == data); + g_assert_cmpuint (gbarray->len, ==, 11); +diff --git a/glib/tests/io-channel.c b/glib/tests/io-channel.c +index ff53fcef7..4a1b10876 100644 +--- a/glib/tests/io-channel.c ++++ b/glib/tests/io-channel.c +@@ -49,8 +49,10 @@ test_read_line_embedded_nuls (void) + channel = g_io_channel_new_file (filename, "r", &local_error); + g_assert_no_error (local_error); + +- /* Only break on newline characters, not nuls. */ +- g_io_channel_set_line_term (channel, "\n", 1); ++ /* Only break on newline characters, not nuls. ++ * Use length -1 here to exercise glib#2323; the case where length > 0 ++ * is covered in glib/tests/protocol.c. */ ++ g_io_channel_set_line_term (channel, "\n", -1); + g_io_channel_set_encoding (channel, NULL, &local_error); + g_assert_no_error (local_error); + +diff --git a/glib/tests/option-context.c b/glib/tests/option-context.c +index 149d22353..88d2b80d1 100644 +--- a/glib/tests/option-context.c ++++ b/glib/tests/option-context.c +@@ -27,6 +27,8 @@ + #include + #include + ++#include "gstrfuncsprivate.h" ++ + static GOptionEntry main_entries[] = { + { "main-switch", 0, 0, + G_OPTION_ARG_NONE, NULL, +@@ -256,7 +258,7 @@ join_stringv (int argc, char **argv) + static char ** + copy_stringv (char **argv, int argc) + { +- return g_memdup (argv, sizeof (char *) * (argc + 1)); ++ return g_memdup2 (argv, sizeof (char *) * (argc + 1)); + } + + static void +@@ -2323,7 +2325,7 @@ test_group_parse (void) + g_option_context_add_group (context, group); + + argv = split_string ("program --test arg1 -f arg2 --group-test arg3 --frob arg4 -z arg5", &argc); +- orig_argv = g_memdup (argv, (argc + 1) * sizeof (char *)); ++ orig_argv = g_memdup2 (argv, (argc + 1) * sizeof (char *)); + + retval = g_option_context_parse (context, &argc, &argv, &error); + +diff --git a/glib/tests/strfuncs.c b/glib/tests/strfuncs.c +index e1f9619c7..d968afff9 100644 +--- a/glib/tests/strfuncs.c ++++ b/glib/tests/strfuncs.c +@@ -32,6 +32,8 @@ + #include + #include "glib.h" + ++#include "gstrfuncsprivate.h" ++ + #if defined (_MSC_VER) && (_MSC_VER <= 1800) + #define isnan(x) _isnan(x) + +@@ -219,6 +221,26 @@ test_memdup (void) + g_free (str_dup); + } + ++/* Testing g_memdup2() function with various positive and negative cases */ ++static void ++test_memdup2 (void) ++{ ++ gchar *str_dup = NULL; ++ const gchar *str = "The quick brown fox jumps over the lazy dog"; ++ ++ /* Testing negative cases */ ++ g_assert_null (g_memdup2 (NULL, 1024)); ++ g_assert_null (g_memdup2 (str, 0)); ++ g_assert_null (g_memdup2 (NULL, 0)); ++ ++ /* Testing normal usage cases */ ++ str_dup = g_memdup2 (str, strlen (str) + 1); ++ g_assert_nonnull (str_dup); ++ g_assert_cmpstr (str, ==, str_dup); ++ ++ g_free (str_dup); ++} ++ + /* Testing g_strpcpy() function with various positive and negative cases */ + static void + test_stpcpy (void) +@@ -2523,6 +2545,7 @@ main (int argc, + g_test_add_func ("/strfuncs/has-prefix", test_has_prefix); + g_test_add_func ("/strfuncs/has-suffix", test_has_suffix); + g_test_add_func ("/strfuncs/memdup", test_memdup); ++ g_test_add_func ("/strfuncs/memdup2", test_memdup2); + g_test_add_func ("/strfuncs/stpcpy", test_stpcpy); + g_test_add_func ("/strfuncs/str_match_string", test_str_match_string); + g_test_add_func ("/strfuncs/str_tokenize_and_fold", test_str_tokenize_and_fold); +diff --git a/gobject/gsignal.c b/gobject/gsignal.c +index 45effa92d..effbfec62 100644 +--- a/gobject/gsignal.c ++++ b/gobject/gsignal.c +@@ -28,6 +28,7 @@ + #include + + #include "gsignal.h" ++#include "gstrfuncsprivate.h" + #include "gtype-private.h" + #include "gbsearcharray.h" + #include "gvaluecollector.h" +@@ -1809,7 +1810,7 @@ g_signal_newv (const gchar *signal_name, + node->single_va_closure_is_valid = FALSE; + node->flags = signal_flags & G_SIGNAL_FLAGS_MASK; + node->n_params = n_params; +- node->param_types = g_memdup (param_types, sizeof (GType) * n_params); ++ node->param_types = g_memdup2 (param_types, sizeof (GType) * n_params); + node->return_type = return_type; + node->class_closure_bsa = NULL; + if (accumulator) +diff --git a/gobject/gtype.c b/gobject/gtype.c +index b5ef2d11e..8d152dccc 100644 +--- a/gobject/gtype.c ++++ b/gobject/gtype.c +@@ -33,6 +33,7 @@ + + #include "glib-private.h" + #include "gconstructor.h" ++#include "gstrfuncsprivate.h" + + #ifdef G_OS_WIN32 + #include +@@ -1470,7 +1471,7 @@ type_add_interface_Wm (TypeNode *node, + iholder->next = iface_node_get_holders_L (iface); + iface_node_set_holders_W (iface, iholder); + iholder->instance_type = NODE_TYPE (node); +- iholder->info = info ? g_memdup (info, sizeof (*info)) : NULL; ++ iholder->info = info ? g_memdup2 (info, sizeof (*info)) : NULL; + iholder->plugin = plugin; + + /* create an iface entry for this type */ +@@ -1731,7 +1732,7 @@ type_iface_retrieve_holder_info_Wm (TypeNode *iface, + INVALID_RECURSION ("g_type_plugin_*", iholder->plugin, NODE_NAME (iface)); + + check_interface_info_I (iface, instance_type, &tmp_info); +- iholder->info = g_memdup (&tmp_info, sizeof (tmp_info)); ++ iholder->info = g_memdup2 (&tmp_info, sizeof (tmp_info)); + } + + return iholder; /* we don't modify write lock upon returning NULL */ +@@ -2016,10 +2017,10 @@ type_iface_vtable_base_init_Wm (TypeNode *iface, + IFaceEntry *pentry = type_lookup_iface_entry_L (pnode, iface); + + if (pentry) +- vtable = g_memdup (pentry->vtable, iface->data->iface.vtable_size); ++ vtable = g_memdup2 (pentry->vtable, iface->data->iface.vtable_size); + } + if (!vtable) +- vtable = g_memdup (iface->data->iface.dflt_vtable, iface->data->iface.vtable_size); ++ vtable = g_memdup2 (iface->data->iface.dflt_vtable, iface->data->iface.vtable_size); + entry->vtable = vtable; + vtable->g_type = NODE_TYPE (iface); + vtable->g_instance_type = NODE_TYPE (node); +diff --git a/gobject/gtypemodule.c b/gobject/gtypemodule.c +index 4ecaf8c88..20911fafd 100644 +--- a/gobject/gtypemodule.c ++++ b/gobject/gtypemodule.c +@@ -19,6 +19,7 @@ + + #include + ++#include "gstrfuncsprivate.h" + #include "gtypeplugin.h" + #include "gtypemodule.h" + +@@ -436,7 +437,7 @@ g_type_module_register_type (GTypeModule *module, + module_type_info->loaded = TRUE; + module_type_info->info = *type_info; + if (type_info->value_table) +- module_type_info->info.value_table = g_memdup (type_info->value_table, ++ module_type_info->info.value_table = g_memdup2 (type_info->value_table, + sizeof (GTypeValueTable)); + + return module_type_info->type; +diff --git a/gobject/tests/param.c b/gobject/tests/param.c +index 93c3f4b94..0a77e51b7 100644 +--- a/gobject/tests/param.c ++++ b/gobject/tests/param.c +@@ -2,6 +2,8 @@ + #include + #include + ++#include "gstrfuncsprivate.h" ++ + static void + test_param_value (void) + { +@@ -874,7 +876,7 @@ main (int argc, char *argv[]) + test_path = g_strdup_printf ("/param/implement/subprocess/%d-%d-%d-%d", + data.change_this_flag, data.change_this_type, + data.use_this_flag, data.use_this_type); +- test_data = g_memdup (&data, sizeof (TestParamImplementData)); ++ test_data = g_memdup2 (&data, sizeof (TestParamImplementData)); + g_test_add_data_func_full (test_path, test_data, test_param_implement_child, g_free); + g_free (test_path); + } diff --git a/meta/recipes-core/glib-2.0/glib-2.0_2.64.5.bb b/meta/recipes-core/glib-2.0/glib-2.0_2.64.5.bb index b9462bc945..ed7b649dc6 100644 --- a/meta/recipes-core/glib-2.0/glib-2.0_2.64.5.bb +++ b/meta/recipes-core/glib-2.0/glib-2.0_2.64.5.bb @@ -18,6 +18,7 @@ SRC_URI = "${GNOME_MIRROR}/glib/${SHRT_VER}/glib-${PV}.tar.xz \ file://0001-gio-tests-resources.c-comment-out-a-build-host-only-.patch \ file://tzdata-update.patch \ file://CVE-2020-35457.patch \ + file://CVE-2021-27219.patch \ " SRC_URI_append_class-native = " file://relocate-modules.patch" -- cgit 1.2.3-korg