Fixed findings

List of Findings

Error: GCC_ANALYZER_WARNING (CWE-476): [#def1]
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1250:32: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘error’
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1217:3: branch_false: following ‘false’ branch (when ‘mechanism’ is non-NULL)...
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1217:3: branch_false: ...to here
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1218:3: branch_true: following ‘true’ branch...
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1219:3: branch_true: following ‘true’ branch...
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1225:12: branch_true: ...to here
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1226:6: branch_false: following ‘false’ branch...
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1234:3: branch_false: ...to here
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1236:6: branch_false: following ‘false’ branch...
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1243:3: branch_false: ...to here
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1245:3: release_memory: ‘error’ is NULL
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1247:6: branch_true: following ‘true’ branch...
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1249:7: branch_true: ...to here
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1250:98: release_memory: ‘error’ is NULL
glib-2.88.0/gio/gdbusauthmechanismsha1.c:1250:32: danger: dereference of NULL ‘error’
# 1248|       {
# 1249|         g_free (m->priv->reject_reason);
# 1250|->       m->priv->reject_reason = g_strdup_printf ("Problems looking up entry in keyring: %s", error->message);
# 1251|         g_error_free (error);
# 1252|         m->priv->state = G_DBUS_AUTH_MECHANISM_STATE_REJECTED;

Error: CPPCHECK_WARNING (CWE-758): [#def2]
glib-2.88.0/glib/tests/bitlock.c:92: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
#   90|   
#   91|         /* these bits must be set. */
#   92|->       g_assert_true (val & PARALLEL_LOCKMASK);
#   93|         g_assert_true (val & PARALLEL_SETMASK);
#   94|   

Error: CPPCHECK_WARNING (CWE-758): [#def3]
glib-2.88.0/glib/tests/bitlock.c:101: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
#   99|         g_assert_cmpint (val, ==, val2);
#  100|   
#  101|->       count_all = (val & ~(PARALLEL_LOCKMASK | PARALLEL_SETMASK));
#  102|   
#  103|         if ((g_random_int () % 5) == 0)

Error: CPPCHECK_WARNING (CWE-758): [#def4]
glib-2.88.0/glib/tests/bitlock.c:160: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
#  158|           {
#  159|             /* at last, the atomic must be unlocked. */
#  160|->           g_assert_true (!(val & PARALLEL_LOCKMASK));
#  161|           }
#  162|         val &= ~(PARALLEL_LOCKMASK | PARALLEL_TOGGLEMASK | PARALLEL_SETMASK);

Error: CPPCHECK_WARNING (CWE-758): [#def5]
glib-2.88.0/glib/tests/bitlock.c:162: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
#  160|             g_assert_true (!(val & PARALLEL_LOCKMASK));
#  161|           }
#  162|->       val &= ~(PARALLEL_LOCKMASK | PARALLEL_TOGGLEMASK | PARALLEL_SETMASK);
#  163|         g_assert_cmpint (val, ==, PARALLEL_MAX_COUNT_ALL);
#  164|       }

Error: GCC_ANALYZER_WARNING (CWE-835): [#def6]
glib-2.88.0/glib/tests/constructor-helper.c:158:5: warning[-Wanalyzer-infinite-loop]: infinite loop
#  156|   
#  157|     if (size > sizeof (buffer) - position)
#  158|->     g_error ("Not enough space in the buffer");
#  159|   
#  160|     memcpy_ (buffer + position, string, size);

Error: GCC_ANALYZER_WARNING (CWE-835): [#def7]
glib-2.88.0/glib/tests/constructor-helper.c:238:5: warning[-Wanalyzer-infinite-loop]: infinite loop
#  236|   {
#  237|     if (string_find_index_ (string) >= sizeof (buffer))
#  238|->     g_error ("String %s not present", string);
#  239|   }

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