lwIP - A Lightweight TCP/IP stack - Bugs: bug #51694, tcp_receive trimming the first...
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bug #51694: tcp_receive trimming the first edge might produce bogus pbuf chains
Submitter: | Simon Goldschmidt <goldsimon> | ||
Submitted: | Tue 08 Aug 2017 09:06:57 PM UTC | ||
Category: | None | Severity: | 3 - Normal |
Item Group: | None | Status: | Wont Fix |
Privacy: | Public | Assigned to: | goldsimon |
Open/Closed: | Closed | Planned Release: | None |
lwIP version: | git head |
Mon 21 Aug 2017 08:36:15 PM UTC, comment #1: |
Simon Goldschmidt <goldsimon> |
Tue 08 Aug 2017 09:06:57 PM UTC, original submission:
The code seemed to be there forever: when trimming the first edge, first pbufs are set to "p->len = 0", which is kind of odd.
|
Simon Goldschmidt <goldsimon> |
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Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2017-08-21 | goldsimon | Status | None | Wont Fix | |
Open/Closed | Open | Closed |
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Corresponding source code
Fixing this might make the code more unreadable (the first pbuf must stay allocated as long as anyone accesses inseg.tcphdr), so given the frequency this happens, it's probably better left as is.