[krbdev.mit.edu #8430] git commit

[Tom Yu via RT]

Fix incorrect recv() size calculation in libkrad

Before this patch libkrad would always subtract the existing buffer
length from pktlen before passing it to recv().  In the case of stream
sockets, this is incorrect since krad_packet_bytes_needed() already
performs this calculation.  Subtracting the buffer length twice could
cause integer underflow on the len parameter to recv().

(cherry picked from commit c969e8a37617e9c7743a28177dd3808f7d08cee9)

https://github.com/krb5/krb5/commit/5b8dab42d541d2600c76647dedf56251f7f9da33
Author: Nathaniel McCallum <npmccallum at redhat.com>
Committer: Tom Yu <tlyu at mit.edu>
Commit: 5b8dab42d541d2600c76647dedf56251f7f9da33
Branch: krb5-1.13
 src/lib/krad/remote.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)