Author: tuexen Date: Thu Oct 10 14:50:44 2019 New Revision: 353399 URL: https://svnweb.freebsd.org/changeset/base/353399
Log: MFC r353122: Plumb an mbuf leak found by Mark Wodrich from Google by fuzz testing the userland stack and reporting it in: https://github.com/sctplab/usrsctp/issues/396 Modified: stable/12/sys/netinet/sctp_input.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/netinet/sctp_input.c ============================================================================== --- stable/12/sys/netinet/sctp_input.c Thu Oct 10 14:49:49 2019 (r353398) +++ stable/12/sys/netinet/sctp_input.c Thu Oct 10 14:50:44 2019 (r353399) @@ -465,6 +465,10 @@ sctp_process_init_ack(struct mbuf *m, int iphlen, int if (!cookie_found) { uint16_t len; + /* Only report the missing cookie parameter */ + if (op_err != NULL) { + sctp_m_freem(op_err); + } len = (uint16_t)(sizeof(struct sctp_error_missing_param) + sizeof(uint16_t)); /* We abort with an error of missing mandatory param */ op_err = sctp_get_mbuf_for_msg(len, 0, M_NOWAIT, 1, MT_DATA); _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
