K 10
svn:author
V 2
cy
K 8
svn:date
V 27
2022-12-12T14:42:13.581917Z
K 7
svn:log
V 496
heimdal: Properly ix bus fault when zero-length request received

Zero length client requests result in a bus fault when attempting to
free malloc()ed pointers within the requests softc. Return an error
when the request is zero length.

This properly fixes PR/268062 without regressions.

PR:		268062
Reported by:	Robert Morris <rtm@lcs.mit.edu>

(cherry picked from commit 3deefb0d147d71047a13ec2328b1b721da2ce256)

Git Hash:   a8970f585cdfca3ce8b22a4921a9490b592ef4ff
Git Author: cy@FreeBSD.org
END