[Bug 298085] hastd/hastctl abort on a legitimate zero-size protocol message (hast_proto_recv_hdr asserts non-NULL on an empty ebuf)

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 298085] hastd/hastctl abort on a legitimate zero-size protocol message (hast_proto_recv_hdr asserts non-NULL on an empty ebuf)"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 01 Sep 2026 14:36:32 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=298085

Mark Johnston <markj@FreeBSD.org> changed:

           What    |Removed                     |Added
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             Status|New                         |Open

--- Comment #3 from Mark Johnston <markj@FreeBSD.org> ---
Do all callers of hast_proto_recv_hdr() actually handle the case where the
payload size is zero?  Are they potentially relying on this assertion to guard
against malicious payloads?

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