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Fix for issue#359. Guard stcb->sctp_ep when setting the 'connecting' … #360

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Fix for issue#359. Guard stcb->sctp_ep when setting the 'connecting' … #360

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4 changes: 3 additions & 1 deletion usrsctplib/netinet/sctp_usrreq.c
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Original file line number Diff line number Diff line change
Expand Up @@ -8179,11 +8179,13 @@ sctpconn_connect(struct socket *so, struct sockaddr *addr)
/* Gak! no memory */
goto out_now;
}
if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
SCTP_INP_RLOCK(stcb->sctp_ep);
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You can't aquire an inp lock here since you own already the stcb lock. This would result in a LOR.

if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
/* Set the connected flag so we can queue data */
soisconnecting(so);
}
SCTP_INP_RUNLOCK(stcb->sctp_ep);
SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT);
(void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);

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