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List: net-snmp-users
Subject: RE: found a crash in 5.7.2 when sending informs
From: Joan Landry <Joan.Landry () overturenetworks ! com>
Date: 2014-02-11 15:41:49
Message-ID: B6B5ACC096D8924AA1D765231278AAF76E683D91 () mbx024-e1-nj-2 ! exch024 ! domain ! local
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No - but I actually did find a bug post on this on the Net-snmp
The fix is simple - just test for a null pointer.
It does not always occur on my setup either.
http://sourceforge.net/p/net-snmp/bugs/2507/
From: Bill Fenner [mailto:fenner@gmail.com]
Sent: Tuesday, February 11, 2014 10:26 AM
To: Joan Landry
Cc: net-snmp-users@lists.sourceforge.net
Subject: Re: found a crash in 5.7.2 when sending informs
On Thu, Feb 6, 2014 at 3:49 PM, Joan Landry \
<Joan.Landry@overturenetworks.com<mailto:Joan.Landry@overturenetworks.com>> wrote:
I am seeing a crash occur in the function _sess_process_packet when sending an inform \
trap at line
((struct synch_state*)magic)->waiting = 0;
Because magic is NULL.
Is anyone aware of this issue or if there is an existing patch.
When I test for null - the crash is avoided - however I would like to know if there \
is a more valid patch for this issue.
Do you have more details about how to make this happen? We use informs with 5.7.2 \
and haven't seen this issue.
Thanks,
Bill
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<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">No \
– but I actually did find a bug post on this on the Net-snmp \
<o:p></o:p></span></p> <p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The \
fix is simple – just test for a null pointer.<o:p></o:p></span></p> <p \
class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">It \
does not always occur on my setup either.<o:p></o:p></span></p> <p \
class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p> <p \
class="MsoNormal"><span style="color:#1F497D"><a \
href="http://sourceforge.net/p/net-snmp/bugs/2507/">http://sourceforge.net/p/net-snmp/bugs/2507/</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span \
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span \
style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Bill \
Fenner [mailto:fenner@gmail.com] <br>
<b>Sent:</b> Tuesday, February 11, 2014 10:26 AM<br>
<b>To:</b> Joan Landry<br>
<b>Cc:</b> net-snmp-users@lists.sourceforge.net<br>
<b>Subject:</b> Re: found a crash in 5.7.2 when sending informs<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<div>
<p class="MsoNormal">On Thu, Feb 6, 2014 at 3:49 PM, Joan Landry <<a \
href="mailto:Joan.Landry@overturenetworks.com" \
target="_blank">Joan.Landry@overturenetworks.com</a>> wrote:<o:p></o:p></p> <div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" \
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I \
am seeing a crash occur in the function _sess_process_packet when sending an inform \
trap at line</span><o:p></o:p></p> <p class="MsoNormal" \
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" \
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:# \
1F497D">
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:# \
1F497D"> \
((struct synch_state*)magic)->waiting = 0;</span><o:p></o:p></p> <p \
class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:# \
1F497D">
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Because \
magic is NULL.</span><o:p></o:p></p> <p class="MsoNormal" \
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" \
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Is \
anyone aware of this issue or if there is an existing patch.</span><o:p></o:p></p> <p \
class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" \
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span \
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">When \
I test for null - the crash is avoided – however I would like to know if \
there is a more valid patch for this issue.</span><o:p></o:p></p>
</div>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Do you have more details about how to make this happen? We \
use informs with 5.7.2 and haven't seen this issue.<o:p></o:p></p> </div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> Bill<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in \
6.0pt;margin-left:4.8pt;margin-right:0in"> <div>
<div>
<p class="MsoNormal" \
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><o:p> </o:p></p> \
</div> <p class="MsoNormal"><span style="font-size:7.5pt">This email and attachments \
may contain privileged or confidential information intended only for the addressee(s) \
indicated. The sender does not waive any of its rights, privileges or protections \
respecting this information. If you are not the named addressee, an employee, or \
agent responsible for sending this message to the named addressee (or this message \
was received by mistake), you are not authorized to read, print, retain, copy or \
disseminate this message or any part of it. If received in error, please notify us \
immediately by e-mail, discard any paper copies and delete all electronic files of \
the email.<br> <br>
Computer viruses can be transmitted via email. The recipient should check this email \
and any attachments for viruses. Email transmission cannot be guaranteed to be \
secured or error-free as information could be intercepted, corrupted, lost, \
destroyed, arrive late or incomplete, or contain viruses. The sender accepts no \
liability for any damage caused by any transmitted viruses or errors or omissions in \
the contents of this message.<br> <br>
Overture Networks, Inc. 637 Davis Drive, Morrisville, NC USA 27560 <a \
href="http://www.overturenetworks.com" target="_blank"> \
www.overturenetworks.com</a></span> <o:p></o:p></p> </div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
------------------------------------------------------------------------------<br>
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Read the Whitepaper.<br>
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</div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</div>
</div>
<br>
<br>
<font size="1">This email and attachments may contain privileged or confidential \
information intended only for the addressee(s) indicated. The sender does not waive \
any of its rights, privileges or protections respecting this information. If you are \
not the named addressee, an employee, or agent responsible for sending this message \
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it. If received in error, please notify us immediately by e-mail, discard any paper \
copies and delete all electronic files of the email.<br> <br>
Computer viruses can be transmitted via email. The recipient should check this email \
and any attachments for viruses. Email transmission cannot be guaranteed to be \
secured or error-free as information could be intercepted, corrupted, lost, \
destroyed, arrive late or incomplete, or contain viruses. The sender accepts no \
liability for any damage caused by any transmitted viruses or errors or omissions in \
the contents of this message.<br> <br>
Overture Networks, Inc. 637 Davis Drive, Morrisville, NC USA 27560 \
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