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由 David S. Miller 提交于
As noted by Steve Chen, since commit f5fff5dc ("tcp: advertise MSS requested by user") we can end up with a situation where tcp_select_initial_window() does a divide by a zero (or even negative) mss value. The problem is that sometimes we effectively subtract TCPOLEN_TSTAMP_ALIGNED and/or TCPOLEN_MD5SIG_ALIGNED from the mss. Fix this by increasing the minimum from 8 to 64. Reported-by: NSteve Chen <schen@mvista.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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