Author: tuexen Date: Fri May 29 13:34:31 2015 New Revision: 283740 URL: https://svnweb.freebsd.org/changeset/base/283740
Log: MFC r282042: Don't panic under INVARIANTS when receiving a SACK which cumacks a TSN never sent. While there, fix two typos. Modified: stable/10/sys/netinet/sctp_indata.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/netinet/sctp_indata.c ============================================================================== --- stable/10/sys/netinet/sctp_indata.c Fri May 29 13:32:08 2015 (r283739) +++ stable/10/sys/netinet/sctp_indata.c Fri May 29 13:34:31 2015 (r283740) @@ -3614,24 +3614,17 @@ sctp_express_handle_sack(struct sctp_tcb send_s = asoc->sending_seq; } if (SCTP_TSN_GE(cumack, send_s)) { -#ifndef INVARIANTS struct mbuf *op_err; char msg[SCTP_DIAG_INFO_LEN]; -#endif -#ifdef INVARIANTS - panic("Impossible sack 1"); -#else - *abort_now = 1; /* XXX */ - snprintf(msg, sizeof(msg), "Cum ack %8.8x greater or equal then TSN %8.8x", + snprintf(msg, sizeof(msg), "Cum ack %8.8x greater or equal than TSN %8.8x", cumack, send_s); op_err = sctp_generate_cause(SCTP_CAUSE_PROTOCOL_VIOLATION, msg); stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_INDATA + SCTP_LOC_25; sctp_abort_an_association(stcb->sctp_ep, stcb, op_err, SCTP_SO_NOT_LOCKED); return; -#endif } } asoc->this_sack_highest_gap = cumack; @@ -4195,7 +4188,7 @@ sctp_handle_sack(struct mbuf *m, int off hopeless_peer: *abort_now = 1; /* XXX */ - snprintf(msg, sizeof(msg), "Cum ack %8.8x greater or equal then TSN %8.8x", + snprintf(msg, sizeof(msg), "Cum ack %8.8x greater or equal than TSN %8.8x", cum_ack, send_s); op_err = sctp_generate_cause(SCTP_CAUSE_PROTOCOL_VIOLATION, msg); stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_INDATA + SCTP_LOC_25; _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"