Date: Sun, 7 Jul 2013 16:16:32 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r252967 - stable/9/sys/netinet Message-ID: <201307071616.r67GGWpv050326@svn.freebsd.org>
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Author: tuexen Date: Sun Jul 7 16:16:32 2013 New Revision: 252967 URL: http://svnweb.freebsd.org/changeset/base/252967 Log: MFC r247412: Fix a potential race in returning setting errno when an association goes down. Reported by Mozilla in https://bugzilla.mozilla.org/show_bug.cgi?id=845513 Modified: stable/9/sys/netinet/sctputil.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/netinet/sctputil.c ============================================================================== --- stable/9/sys/netinet/sctputil.c Sun Jul 7 16:13:54 2013 (r252966) +++ stable/9/sys/netinet/sctputil.c Sun Jul 7 16:16:32 2013 (r252967) @@ -2678,6 +2678,7 @@ set_error: if (((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) && ((state == SCTP_COMM_LOST) || (state == SCTP_CANT_STR_ASSOC))) { + SOCK_LOCK(stcb->sctp_socket); if (from_peer) { if (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_COOKIE_WAIT) { SCTP_LTRACE_ERR_RET(NULL, stcb, NULL, SCTP_FROM_SCTPUTIL, ECONNREFUSED); @@ -2709,7 +2710,7 @@ set_error: if (((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) && ((state == SCTP_COMM_LOST) || (state == SCTP_CANT_STR_ASSOC))) { - socantrcvmore(stcb->sctp_socket); + socantrcvmore_locked(stcb->sctp_socket); } sorwakeup(stcb->sctp_socket); sowwakeup(stcb->sctp_socket);
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