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Description of problem:
When you send two SIGHUP signals to sshd in quick succession (to reload it configuration), sshd dies.

Version-Release number of selected component (if applicable):


How reproducible:
At will.

Steps to Reproduce:
1. killall -s SIGHUP sshd && killall -s SIGHUP sshd
2. service sshd status
3.
  
Actual results:
openssh-daemon dead but pid file exists

Expected results:
openssh-daemon (pid  2522) is running...

Additional info:

added to openssh-5.3p1-51

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2011-0598.html