Hi,
Since updating to OpenSSL 1.0.0e from 1.0.0d, I've been suffering a
crash when connecting with DTLS. I've tracked this down to trying to
perform a memcpy of (unsigned int)-13 in do_dtls1_write (where a length
of -13 is passed all the way down from dtls1_do_Write, which seems to be
because the MTU on the DTLS context is 0, despite having manually set it
to a non-zero value. Further investigation shows that the change to
dtls1_clear is clearing everything in the DTLS1_STATE, which includes my
previously configured MTU. Preserving the value of the MTU across the
memset in dtls1_clear fixes the issue.
--
Paul Witty
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