[lwip-devel] [bug #27709] conn->err race condition on netconn_recv() timeout

[Kieran Mansley]

Update of bug #27709 (project lwip):

                  Status:                   Fixed => None                   
             Open/Closed:                  Closed => Open                   

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Follow-up Comment #2:

I don't think we've really fixed this - just made the race more unlikely.

The fix is to stop conn->err being modified by two different threads. 
netconn_recv is the only operation in api_lib.c that seems to be modifying
conn->err.  If all the other operations can manage without changing it, I
think netconn_recv should be able to too.

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