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Prevent underflow when sending UDP probes.
authorGuus Sliepen <guus@tinc-vpn.org>
Fri, 1 Apr 2022 12:28:45 +0000 (14:28 +0200)
committerGuus Sliepen <guus@tinc-vpn.org>
Fri, 1 Apr 2022 12:28:45 +0000 (14:28 +0200)
Make sure send_udp_probe_packet() never tries to send a packet smaller
than MIN_PROBE_SIZE, otherwise length calculation could potentially wrap.

Fixes #351 on GitHub.


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