Author: tuexen Date: Sun Feb 10 08:28:56 2019 New Revision: 343951 URL: https://svnweb.freebsd.org/changeset/base/343951
Log: Fix locking for IPPROTO_SCTP level SCTP_DEFAULT_PRINFO socket option. This problem occurred when calling setsockopt() will invalid parameters. This issue was found by running syzkaller. MFC after: 3 days Modified: head/sys/netinet/sctp_usrreq.c Modified: head/sys/netinet/sctp_usrreq.c ============================================================================== --- head/sys/netinet/sctp_usrreq.c Sun Feb 10 08:14:06 2019 (r343950) +++ head/sys/netinet/sctp_usrreq.c Sun Feb 10 08:28:56 2019 (r343951) @@ -6209,6 +6209,9 @@ sctp_setopt(struct socket *so, int optname, void *optv SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); if (info->pr_policy > SCTP_PR_SCTP_MAX) { + if (stcb) { + SCTP_TCB_UNLOCK(stcb); + } SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); error = EINVAL; break; _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"