Sun Security Advisory - A system panic may occur on systems that open and close several UDP end points.
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--></STYLE><table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td nowrap="" width="3%" valign="top"><b>Document Audience:</b></td><td valign="top" align="left"><cds:audience xmlns:cds="http://cds.central" xmlns:xlink="http://www.w3.org/1999/xlink">PUBLIC</cds:audience></td></tr><tr><td nowrap="" width="3%" valign="top"><b>Document ID:</b></td><td valign="top" align="left"><cds:source-id xmlns:cds="http://cds.central" xmlns:xlink="http://www.w3.org/1999/xlink">57728</cds:source-id></td></tr><tr><td nowrap="" width="3%" valign="top"><b>Title:</b></td><td valign="top" align="left">Document ID 57728</td></tr><tr><td nowrap="" width="3%" valign="top"><b>Synopsis:</b></td><td valign="top" align="left">Heavy UDP Usage May Cause a System to Panic </td></tr><tr><td nowrap="" width="3%" valign="top"><b>Update Date:</b></td><td valign="top" align="left">2005-01-26</td></tr></table><hr><table border="0" cellspacing="0" cellpadding="2" width="100%"><tr bgcolor="#999999"><td><font color="#ffffff" size="2"><b>Description</b></font></td><td align="right"><b><a href="#top"><font color="#ffffff" size="2">Top</font></a></b></td></tr></table><b>
Sun(sm) Alert Notification
</b><ul><li>
Sun Alert ID: 57728
</li><li>
Synopsis: Heavy UDP Usage May Cause a System to Panic
</li><li>
Category: Availability
</li><li>
Product: Solaris
</li><li>
BugIDs: 4865856
</li><li>
Avoidance: Patch
</li><li>
State: Resolved
</li><li>
Date Released: 24-Jan-2005, 26-Jan-2004
</li><li>
Date Closed: 26-Jan-2004
</li><li>
Date Modified: 26-Jan-2004
</li></ul><b>
1. Impact
</b>
A system panic may occur on systems that open and close several UDP end points.
<p></p><b>
2. Contributing Factors
</b>
This issue can occur in the following releases:
<p></p>
<b>SPARC Platform</b>
<p></p><ul><li>
Solaris 8 without patch <a href="/search/document.do?assetkey=urn:cds:docid:1-21-117350-16-1">117350-16</a>
</li><li>
Solaris 9 without patch <a href="/search/document.do?assetkey=urn:cds:docid:1-21-117171-15-1">117171-15</a>
</li></ul>
<b>x86 Platform</b>
<p></p><ul><li>
Solaris 8 without patch <a href="/search/document.do?assetkey=urn:cds:docid:1-21-117351-16-1">117351-16</a>
</li><li>
Solaris 9 without patch 117172-15
</li></ul>
<b>Note: </b>Solaris 7 is not impacted by this issue.
<p></p><b>
3. Symptoms
</b>
If the described issue occurs, the system will panic with a "NULL pointer dereference" message similar to the following:
<p></p><pre> BAD TRAP: type=31 rp=2a100265720 addr=74 mmu_fsr=0
occurred in module "udp" due to a <b>NULL pointer dereference</b> </pre>
A stack trace similar to the following will also be seen:
<p></p><pre> unix: setjmp ()
unix: panicsys+0x44 (0x10592c0,0x2a100bd7518,0x1,0x1,0x8,0x8)
unix: c) ()
unix: panic+0x1c (0x10592c0,0x31,0x2a100bd7760,0x50,0x0,0x30000571578)
unix: die+0x80 (0x31,0x2a100bd7760,0x50,0x0)
unix: trap+0x874 (0x2a100bd7760)
unix: priv_rtt
genunix: releasestr+0x28 (0x0,0x7813fbcc,0x7813f800,0x30011925d00,0x0,0x4)
udp: udp_rput ()
genunix: qdrain_syncq+0x9c (0x3000dfe9ee8,0x3000dfe9d08)
genunix: drain_syncq+0x2d8 (0x3000dfe9ee8,?,?,?,0x2a100bd7d40,0x0)
genunix: syncq_service ()
genunix: taskq_d_thread+0x70 (0x30000619f80,0x0)
unix: thread_start+0x4 (0x30000619f80,0x0,0xc578000000000,0x0,0x0,0x0
</pre>
<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr bgcolor="#999999"><td><font color="#ffffff" size="2"><b>Solution Summary</b></font></td><td align="right"><b><a href="#top"><font color="#ffffff" size="2">Top</font></a></b></td></tr></table><b>
4. Relief/Workaround
</b>
There is no workaround. Please see the "Resolution" section below.
<p></p><b>
5. Resolution
</b>
This issue is addressed in the following releases:
<p></p>
<b>SPARC Platform</b>
<p></p><ul><li>
Solaris 8 with patch <a href="/search/document.do?assetkey=urn:cds:docid:1-21-117350-16-1">117350-16</a> or later
</li><li>
Solaris 9 with patch <a href="/search/document.do?assetkey=urn:cds:docid:1-21-117171-15-1">117171-15</a> or later
</li></ul>
<b>x86 Platform</b>
<p></p><ul><li>
Solaris 8 with patch <a href="/search/document.do?assetkey=urn:cds:docid:1-21-117351-16-1">117351-16</a> or later
</li><li>
Solaris 9 with patch 117172-15 or later
</li></ul><b>
Change History
</b>
26-Jan-2004:
<p></p><ul><li>
State: Resolved
</li><li>
Updated Contributing Factors and Resolution sections
</li></ul>
<i>This Sun Alert notification is being provided to you on an "AS IS" basis. This Sun Alert notification may contain information provided by third parties. The issues described in this Sun Alert notification may or may not impact your system(s). Sun makes no representations, warranties, or guarantees as to the information contained herein. ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN. This Sun Alert notification contains Sun proprietary and confidential information. It is being provided to you pursuant to the provisions of your agreement to purchase services from Sun, or, if you do not have such an agreement, the Sun.com Terms of Use.
This Sun Alert notification may only be used for the purposes contemplated by these agreements.</i>
<p></p>
<i>Copyright 2000-2005 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, CA 95054 U.S.A. All rights reserved.</i>
<p></p>
<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td width="25%" valign="top" bgcolor="#999999"><font size="2" color="#ffffff"><b>Applies To</b></font></td><td width="75%" valign="top" bgcolor="#cccccc"><font size="2">
</font></td></tr></table><p></p><table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td width="25%" valign="top" bgcolor="#999999"><font size="2" color="#ffffff"><b>Attachments</b></font></td><td width="75%" valign="top" bgcolor="#cccccc"><font size="2"> </font></td></tr></table><p></p>
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