Date: Thu, 16 May 2019 08:45:55 +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: r347658 - stable/11/sys/netinet Message-ID: <201905160845.x4G8jteO023474@repo.freebsd.org>
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Author: tuexen Date: Thu May 16 08:45:54 2019 New Revision: 347658 URL: https://svnweb.freebsd.org/changeset/base/347658 Log: MFC r343960: Fix a locking issue in the IPPROTO_SCTP level SCTP_PEER_ADDR_THLDS socket option. The problem affects only setsockopt with invalid parameters. This issue was found by syzkaller. 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 Thu May 16 08:44:12 2019 (r347657) +++ stable/11/sys/netinet/sctp_usrreq.c Thu May 16 08:45:54 2019 (r347658) @@ -6335,6 +6335,9 @@ sctp_setopt(struct socket *so, int optname, void *optv } } if (thlds->spt_pathcpthld != 0xffff) { + if (stcb != NULL) { + SCTP_TCB_UNLOCK(stcb); + } error = EINVAL; SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); break;
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