Messages in this thread Patch in this message | | | From | Eric.Schenk@dna ... | Subject | Re: Writing past the end of the TCP window in 2.0.30 | Date | Tue, 06 May 1997 15:24:07 +0200 |
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Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de> writes: >Here's a fairly long tcpdump of Linux 2.0.30 writing past the end of >the window again. All the time, the backlog queue was large.
Anyone who has seen this problem, please try the following patch and as usual report back to me. I think this will fix the problem.
--- linux/net/ipv4/tcp_output.c.orig Tue May 6 15:16:55 1997 +++ linux/net/ipv4/tcp_output.c Tue May 6 15:20:01 1997 @@ -1212,6 +1212,9 @@ win_size = skb->len - (((unsigned char *) th) - skb->data); win_size -= th->doff * 4; + /* Don't send more than the offered window! */ + win_size = min(win_size, sk->window_seq - sk->sent_seq); + /* * Grab the data for a temporary frame */
-- Eric Schenk www: http://www.dna.lth.se/~erics Dept. of Comp. Sci., Lund University email: Eric.Schenk@dna.lth.se Box 118, S-221 00 LUND, Sweden fax: +46-46 13 10 21 ph: +46-46 222 96 38
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