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After checking for SO_ISDISCONNECTED in tcp_usr_accept(), return
immediately rather than jumping to the normal output handling, which assumes we've pulled out the inpcb, which hasn't happened at this point (and isn't necessary). Return ECONNABORTED instead of EINVAL when the inpcb has entered INP_TIMEWAIT or INP_DROPPED, as this is the documented error value. This may correct the panic seen by Ganbold. MFC after: 1 month Reported by: Ganbold <ganbold at micom dot mng dot net>
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=157424
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@ -590,16 +590,14 @@ tcp_usr_accept(struct socket *so, struct sockaddr **nam)
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in_port_t port = 0;
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TCPDEBUG0;
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if (so->so_state & SS_ISDISCONNECTED) {
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error = ECONNABORTED;
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goto out;
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}
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if (so->so_state & SS_ISDISCONNECTED)
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return (ECONNABORTED);
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inp = sotoinpcb(so);
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KASSERT(inp != NULL, ("tcp_usr_accept: inp == NULL"));
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INP_LOCK(inp);
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if (inp->inp_vflag & (INP_TIMEWAIT | INP_DROPPED)) {
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error = EINVAL;
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error = ECONNABORTED;
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goto out;
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}
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tp = intotcpcb(inp);
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