Date: Sat, 2 Mar 2019 14:30:27 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r344724 - head/sys/netinet Message-ID: <201903021430.x22EURAN010143@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: tuexen Date: Sat Mar 2 14:30:27 2019 New Revision: 344724 URL: https://svnweb.freebsd.org/changeset/base/344724 Log: Allow SCTP stream reconfiguration operations only in ESTABLISHED state. 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 Sat Mar 2 14:15:33 2019 (r344723) +++ head/sys/netinet/sctp_usrreq.c Sat Mar 2 14:30:27 2019 (r344724) @@ -4631,6 +4631,12 @@ sctp_setopt(struct socket *so, int optname, void *optv SCTP_TCB_UNLOCK(stcb); break; } + if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + break; + } if (sizeof(struct sctp_reset_streams) + strrst->srs_number_streams * sizeof(uint16_t) > optsize) { error = EINVAL; @@ -4745,6 +4751,12 @@ sctp_setopt(struct socket *so, int optname, void *optv SCTP_TCB_UNLOCK(stcb); break; } + if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + break; + } if (stcb->asoc.stream_reset_outstanding) { SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); error = EALREADY; @@ -4812,6 +4824,12 @@ sctp_setopt(struct socket *so, int optname, void *optv */ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); error = EOPNOTSUPP; + SCTP_TCB_UNLOCK(stcb); + break; + } + if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; SCTP_TCB_UNLOCK(stcb); break; }
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201903021430.x22EURAN010143>