Messages in this thread | | | Subject | Re: [PATCH] tcp: Modify the condition for the first skb to collapse | From | Eric Dumazet <> | Date | Mon, 17 Jun 2013 03:29:22 -0700 |
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On Mon, 2013-06-17 at 13:29 -0400, Jun Chen wrote: > > > hi, > When the condition of tcp_win_from_space(skb->truesize) > skb->len is > true but the before(start, TCP_SKB_CB(skb)->seq) is also true, the final > condition will be true. The follow line: > int offset = start - TCP_SKB_CB(skb)->seq; > BUG_ON(offset < 0); > this BUG_ON will be triggered. >
Really this should never happen, we must track what's happening here.
Are you using a pristine kernel, without any patches ?
Are you able to reproduce this bug in a short amount of time ?
What kind of driver is in use ? (your stack trace was truncated)
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