patchlwIP - A Lightweight TCP/IP stack - Patches: patch #10198, SLIP: Fix appending received pbuf...


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patch #10198: SLIP: Fix appending received pbuf to the linked list

Submitter:  David Cermak <david_cermak>
Submitted:  Tue 12 Apr 2022 11:09:11 AM UTC
Category:  None Priority:  5 - Normal
Status:  None Privacy:  Public
Assigned to:  None Open/Closed:  Open
Planned Release:  None

Tue 12 Apr 2022 11:09:11 AM UTC, original submission:  

Append to the linked list of pbuf objects was broken so that the second (and subsequent) packets received in a SLIP transaction would be appended to themselves and consequently lost.

This resulted in these packets being dropped and the system suffering extreme memory leakage.

Reported and fixed by @webworxshop,

David Cermak <david_cermak>


(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attached Files


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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2022-04-12 david_cermak Attached File- Added Fix-SLIP-RX-linked-list-append.patch, #53081

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