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IDProjectCategoryView StatusDate SubmittedLast Update
0000121INET FrameworkBasepublic2009-12-21 21:102010-02-16 17:45
Reporterandras 
Assigned Toandras 
PrioritynormalSeveritymajorReproducibilityalways
StatusresolvedResolutionfixed 
PlatformOSOS Version
Product Version 
Target VersionFixed in Version 
Summary0000121: TCP: assertion failed when duplicate SYN is received
DescriptionTCP: assertion failed when duplicate SYN is received in listening forked connection.
Steps To ReproduceTo reproduce: in TCPConnectionUtil.cc, sendSyn() method, line 409, temporarily insert sendToIP(tcpseg->dup()) before the sendToIP(tcpseg) line in order to generate duplicate SYN, then run any simulation with TCP, e.g. examples/inet/tcpsack.

Result: Assertion failed in function addSacks, line TCPConnectionUtil.cc, line 1048.
Additional InformationINET version: commit d08825c7b4f1a9cc841029daabc3824ec20304ae
TagsNo tags attached.
Attached Files

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-  Notes
(0000207)
andras (administrator)
2010-02-16 17:25
edited on: 2010-02-16 17:28

TCP_old does not have this issue. It says "segment not acceptable, sending ACK".

(0000209)
andras (administrator)
2010-02-16 17:45

Not reproducible in commit e58a815f8bfce36a8a5965d77852d9955ce11560, 2010-02-16
Probably earlier commits fixed it.

- Issue History
Date Modified Username Field Change
2009-12-21 21:10 andras New Issue
2009-12-21 22:32 andras Additional Information Updated
2010-02-16 17:25 andras Note Added: 0000207
2010-02-16 17:28 andras Note Edited: 0000207
2010-02-16 17:45 andras Note Added: 0000209
2010-02-16 17:45 andras Status new => resolved
2010-02-16 17:45 andras Resolution open => fixed
2010-02-16 17:45 andras Assigned To => andras


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