diff options
Diffstat (limited to 'gnu/packages/patches/glib-CVE-2021-27219-04.patch')
| -rw-r--r-- | gnu/packages/patches/glib-CVE-2021-27219-04.patch | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/gnu/packages/patches/glib-CVE-2021-27219-04.patch b/gnu/packages/patches/glib-CVE-2021-27219-04.patch new file mode 100644 index 0000000000..3ae01f34b1 --- /dev/null +++ b/gnu/packages/patches/glib-CVE-2021-27219-04.patch @@ -0,0 +1,308 @@ +Backport of: + +From 0736b7c1e7cf4232c5d7eb2b0fbfe9be81bd3baa Mon Sep 17 00:00:00 2001 +From: Philip Withnall <pwithnall@endlessos.org> +Date: Thu, 4 Feb 2021 13:41:21 +0000 +Subject: [PATCH 04/11] glib: Use g_memdup2() instead of g_memdup() in obvious + places +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Convert all the call sites which use `g_memdup()`’s length argument +trivially (for example, by passing a `sizeof()` or an existing `gsize` +variable), so that they use `g_memdup2()` instead. + +In almost all of these cases the use of `g_memdup()` would not have +caused problems, but it will soon be deprecated, so best port away from +it + +In particular, this fixes an overflow within `g_bytes_new()`, identified +as GHSL-2021-045 by GHSL team member Kevin Backhouse. + +Signed-off-by: Philip Withnall <pwithnall@endlessos.org> +Fixes: GHSL-2021-045 +Helps: #2319 +--- + glib/gbytes.c | 6 ++++-- + glib/gdir.c | 3 ++- + glib/ghash.c | 7 ++++--- + glib/giochannel.c | 3 ++- + glib/gslice.c | 3 ++- + glib/gtestutils.c | 3 ++- + glib/gvariant.c | 7 ++++--- + glib/gvarianttype.c | 3 ++- + glib/tests/array-test.c | 4 +++- + glib/tests/option-context.c | 6 ++++-- + 10 files changed, 29 insertions(+), 16 deletions(-) + +diff --git a/glib/gbytes.c b/glib/gbytes.c +index d56abe6c3..dee494820 100644 +--- a/glib/gbytes.c ++++ b/glib/gbytes.c +@@ -34,6 +34,8 @@ + + #include <string.h> + ++#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 e61b03788..26f26062b 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" +@@ -964,7 +965,7 @@ 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; + } +@@ -972,7 +973,7 @@ 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; + } + } +@@ -1000,7 +1001,7 @@ 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 1956e9dc6..15927c391 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" + +@@ -892,7 +893,7 @@ g_io_channel_set_line_term (GIOChannel *channel, + length = strlen (line_term); + + g_free (channel->line_term); +- channel->line_term = line_term ? g_memdup (line_term, length) : NULL; ++ channel->line_term = line_term ? g_memdup2 (line_term, length) : NULL; + channel->line_term_len = 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/gtestutils.c b/glib/gtestutils.c +index dd789482f..5887ecc36 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" +@@ -3798,7 +3799,7 @@ 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 b61bf7278..d6f68a9ea 100644 +--- a/glib/gvariant.c ++++ b/glib/gvariant.c +@@ -33,6 +33,7 @@ + + #include <string.h> + ++#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 1a228f73b..07659ff12 100644 +--- a/glib/gvarianttype.c ++++ b/glib/gvarianttype.c +@@ -28,6 +28,7 @@ + + #include <string.h> + ++#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/tests/array-test.c b/glib/tests/array-test.c +index 3fcf1136a..11982f822 100644 +--- a/glib/tests/array-test.c ++++ b/glib/tests/array-test.c +@@ -29,6 +29,8 @@ + #include <string.h> + #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. */ +@@ -1642,7 +1644,7 @@ 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/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 <string.h> + #include <locale.h> + ++#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); + +-- +2.30.1 + |