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From: tlyu@mit.edu
Subject: SVN Commit
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In util/support/utf8_conv.c, the SWAP16 macro is invoked with an
argument that has side effects.  On platforms where SWAP16 can
evaluate its argument twice (including platforms where utf8_conv.c
creates a fallback definition for the SWAP16 macro), this can cause a
read overrun by a factor of two.

Rearrange the data flow to avoid calling SWAP16 with an argument that
has side effects.

https://github.com/krb5/krb5/commit/9c6c6de0ac5b08c31585350309cb85964b8e01e1
Commit By: tlyu
Revision: 22348
Changed Files:
U   trunk/src/util/support/utf8_conv.c