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[lwip-devel] [patch #10106] tcp_in : fix ooseq update error
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From: |
Eric.Wu |
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Subject: |
[lwip-devel] [patch #10106] tcp_in : fix ooseq update error |
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Date: |
Thu, 9 Sep 2021 09:13:08 -0400 (EDT) |
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User-agent: |
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36 |
Follow-up Comment #1, patch #10106 (project lwip):
i have met the same situation with BUG#56397 , after reseachig for a few
days, i found a logical bug in ooseq enqeue
[comment #0 original submission:]
> if a pbuf received with the same seqno in ooseq ,
> we then check the size and replace the existing one
> with the larger one,but if the existing one is the
> last segment in ooseq ,it might has been trimed before.
> the replacing action will overrun our receive windows
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