buglwIP - A Lightweight TCP/IP stack - Bugs: bug #50912, RST dropped if recvmbox is full

 
 

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bug #50912: RST dropped if recvmbox is full

Submitted by:  Simon Goldschmidt <goldsimon>
Submitted on:  Tue 02 May 2017 10:27:22 AM UTC  
 
Category: TCPSeverity: 3 - Normal
Item Group: Faulty BehaviourStatus: Fixed
Privacy: PublicAssigned to: Simon Goldschmidt <goldsimon>
Open/Closed: ClosedPlanned Release: 2.1.0
lwIP version: git head

Tue 08 Aug 2017 09:17:33 PM UTC, comment #1:

Should work now.

Simon Goldschmidt <goldsimon>
Project AdministratorIn charge of this item.
Tue 02 May 2017 10:27:22 AM UTC, original submission:

Since ensuring that data before RST can be received (bug #50088, see commit e0a2472706ee7af99cd00d35bc7e5829aea5caea), the RST can be lost if the recvmbox is full.
Same thing for listening pcbs and acceptmbox, but 'err_tcp' is only triggered internally by the stack.

There should be a fallback mechanism to ensure RST is received when sys_mbox_trypost() fails.

Simon Goldschmidt <goldsimon>
Project AdministratorIn charge of this item.

 

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    Follow 3 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Tue 08 Aug 2017 09:17:33 PM UTCgoldsimonStatusNone=>Fixed
      Open/ClosedOpen=>Closed
    Wed 26 Jul 2017 08:20:11 PM UTCgoldsimonPlanned ReleaseNone=>2.1.0

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