Philip Withnall af712bbce1 gdbusmessage: Validate type of message header signature field
Parsing a D-Bus message with the signature field in the message header
of type other than ‘g’ (GVariant type signature) would cause a critical
warning. Instead, we should return a runtime error.

Includes a test.

oss-fuzz#9825

Signed-off-by: Philip Withnall <withnall@endlessm.com>
2018-10-23 17:01:51 +13:00
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