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Date:      Thu, 7 May 2020 01:43:21 +0000 (UTC)
From:      Michael Tuexen <tuexen@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org
Subject:   svn commit: r360737 - stable/11/sys/netinet
Message-ID:  <202005070143.0471hL1E067631@repo.freebsd.org>

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Author: tuexen
Date: Thu May  7 01:43:21 2020
New Revision: 360737
URL: https://svnweb.freebsd.org/changeset/base/360737

Log:
  MFC r352652: Fix memory leak
  
  Plumb a memory leak.
  Thnanks to Felix Weinrank for finding this issue using fuzz testing
  and reporting it for the userland stack:
  https://github.com/sctplab/usrsctp/issues/378

Modified:
  stable/11/sys/netinet/sctp_indata.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/netinet/sctp_indata.c
==============================================================================
--- stable/11/sys/netinet/sctp_indata.c	Thu May  7 01:37:42 2020	(r360736)
+++ stable/11/sys/netinet/sctp_indata.c	Thu May  7 01:43:21 2020	(r360737)
@@ -470,6 +470,11 @@ sctp_clean_up_control(struct sctp_tcb *stcb, struct sc
 		chk->data = NULL;
 		sctp_free_a_chunk(stcb, chk, SCTP_SO_NOT_LOCKED);
 	}
+	sctp_free_remote_addr(control->whoFrom);
+	if (control->data) {
+		sctp_m_freem(control->data);
+		control->data = NULL;
+	}
 	sctp_free_a_readq(stcb, control);
 }
 



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