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
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=254338
@ -5406,6 +5406,14 @@ sctp_send_initiate_ack(struct sctp_inpcb *inp, struct sctp_tcb *stcb,
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}
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SCTP_BUF_LEN(m) = sizeof(struct sctp_init_chunk);
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/*
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* We might not overwrite the identification[] completely and on
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* some platforms time_entered will contain some padding. Therefore
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* zero out the cookie to avoid putting uninitialized memory on the
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* wire.
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*/
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memset(&stc, 0, sizeof(struct sctp_state_cookie));
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/* the time I built cookie */
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(void)SCTP_GETTIME_TIMEVAL(&stc.time_entered);
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