Date: Wed, 6 May 2020 22:18:24 +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-11@freebsd.org Subject: svn commit: r360712 - stable/11/sys/netinet Message-ID: <202005062218.046MIO6R035788@repo.freebsd.org>
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Author: tuexen Date: Wed May 6 22:18:24 2020 New Revision: 360712 URL: https://svnweb.freebsd.org/changeset/base/360712 Log: MFC r350248: Improve SCTP locking. Fix a LOR in SCTP which was found by running syzkaller. Submitted by: rrs Reported by: markj Modified: stable/11/sys/netinet/sctp_usrreq.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/netinet/sctp_usrreq.c ============================================================================== --- stable/11/sys/netinet/sctp_usrreq.c Wed May 6 22:16:14 2020 (r360711) +++ stable/11/sys/netinet/sctp_usrreq.c Wed May 6 22:18:24 2020 (r360712) @@ -965,9 +965,9 @@ sctp_shutdown(struct socket *so) abort_anyway: op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; + SCTP_INP_RUNLOCK(inp); sctp_abort_an_association(stcb->sctp_ep, stcb, op_err, SCTP_SO_LOCKED); - SCTP_INP_RUNLOCK(inp); return (0); } }
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