[glib] (16 commits) ...Merge branch 'ossfuzz-9810-9825-10319-9803-9857-9801-fixes' into 'master'

[Philip Withnall <pwithnall src gnome org>]

Summary of changes:

  eb7c9ad... gvariant: Fix checking arithmetic for tuple element ends
  7c4e6e9... gvarianttype: Impose a recursion limit of 128 on variant ty
  5e0b12d... gvariant: Check array offsets against serialised data lengt
  7eedcd7... gvariant: Check tuple offsets against serialised data lengt
  f148687... gvariant: Limit GVariant strings to G_MAXSSIZE
  af712bb... gdbusmessage: Validate type of message header signature fie
  94a9ab3... gdbusmessage: Improve documentation for g_dbus_message_get_
  50b544e... gdbusmessage: Clarify error returns for g_dbus_message_new_
  968f1c6... gdbusmessage: Fix a typo in a documentation comment
  e03d5a3... gdbusmessage: Check for valid GVariantType when parsing a v
  5f3b393... gvariant: Clarify internal documentation about GVariant typ
  c2c9c7f... tests: Tidy up GError handling in gdbus-serialization test
  8e60b3d... tests: Use g_assert_null() in gdbus-serialization test
  7a4025c... gutf8: Add a g_utf8_validate_len() function
  1c421b0... glib: Port various callers to use g_utf8_validate_len()
  d192a07... Merge branch 'ossfuzz-9810-9825-10319-9803-9857-9801-fixes'