git: libdmsg - Fix buffer overrun

[Matthew Dillon]

commit 024de40533b9f7dc2d6d2aaae58413a348c10686
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Fri Feb 27 21:00:36 2015 -0800

    libdmsg - Fix buffer overrun
    
    * Large messages (generally large data payloads) could overrun the FIFO
      buffer.  e.g. dd if=/dev/xa<blah> of=/dev/null bs=32k
    
    * Fix by chunking up large payloads.

Summary of changes:
 lib/libdmsg/msg.c | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/024de40533b9f7dc2d6d2aaae58413a348c10686


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