sctp: sctp_sendmsg: Don't initialize default_sinfo
This variable only needs initialization when cmsgs.info is NULL. Use memset to ensure padding is also zeroed so kernel doesn't leak any data. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1496,7 +1496,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
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struct sctp_chunk *chunk;
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union sctp_addr to;
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struct sockaddr *msg_name = NULL;
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struct sctp_sndrcvinfo default_sinfo = { 0 };
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struct sctp_sndrcvinfo default_sinfo;
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struct sctp_sndrcvinfo *sinfo;
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struct sctp_initmsg *sinit;
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sctp_assoc_t associd = 0;
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@ -1760,6 +1760,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
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/* If the user didn't specify SNDRCVINFO, make up one with
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* some defaults.
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*/
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memset(&default_sinfo, 0, sizeof(default_sinfo));
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default_sinfo.sinfo_stream = asoc->default_stream;
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default_sinfo.sinfo_flags = asoc->default_flags;
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default_sinfo.sinfo_ppid = asoc->default_ppid;
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