Author: ae
Date: Thu Dec 21 14:09:06 2017
New Revision: 327061
URL: https://svnweb.freebsd.org/changeset/base/327061
Log:
MFC r326847:
Fix mbuf leak when TCPMD5_OUTPUT() method returns error.
PR: 223817
Modified:
stable/11/sys/netinet/tcp_output.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/netinet/tcp_output.c
==============================================================================
--- stable/11/sys/netinet/tcp_output.c Thu Dec 21 13:32:49 2017
(r327060)
+++ stable/11/sys/netinet/tcp_output.c Thu Dec 21 14:09:06 2017
(r327061)
@@ -1275,12 +1275,13 @@ send:
* NOTE: since TCP options buffer doesn't point into
* mbuf's data, calculate offset and use it.
*/
- if (!TCPMD5_ENABLED() || TCPMD5_OUTPUT(m, th,
- (u_char *)(th + 1) + (to.to_signature - opt)) != 0) {
+ if (!TCPMD5_ENABLED() || (error = TCPMD5_OUTPUT(m, th,
+ (u_char *)(th + 1) + (to.to_signature - opt))) != 0) {
/*
* Do not send segment if the calculation of MD5
* digest has failed.
*/
+ m_freem(m);
goto out;
}
}
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