Author: tuexen Date: Wed Aug 14 21:51:32 2013 New Revision: 254338 URL: http://svnweb.freebsd.org/changeset/base/254338
Log: Don't send uninitialized memory (two instances of 4 bytes) in every cookie on the wire. This bug was reported in https://bugzilla.mozilla.org/show_bug.cgi?id=905080 MFC after: 3 days Modified: head/sys/netinet/sctp_output.c Modified: head/sys/netinet/sctp_output.c ============================================================================== --- head/sys/netinet/sctp_output.c Wed Aug 14 21:11:26 2013 (r254337) +++ head/sys/netinet/sctp_output.c Wed Aug 14 21:51:32 2013 (r254338) @@ -5406,6 +5406,14 @@ do_a_abort: } SCTP_BUF_LEN(m) = sizeof(struct sctp_init_chunk); + /* + * We might not overwrite the identification[] completely and on + * some platforms time_entered will contain some padding. Therefore + * zero out the cookie to avoid putting uninitialized memory on the + * wire. + */ + memset(&stc, 0, sizeof(struct sctp_state_cookie)); + /* the time I built cookie */ (void)SCTP_GETTIME_TIMEVAL(&stc.time_entered); _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
