Author: glebius
Date: Fri Mar 29 13:57:55 2013
New Revision: 248884
URL: http://svnweb.freebsd.org/changeset/base/248884
Log:
When soreceive_generic() hands off an mbuf from buffer,
clear its pointer to next record, since next record
belongs to the buffer, and shouldn't be leaked.
The ng_ksocket(4) used to clear this pointer itself,
but the correct place is here.
Sponsored by: Nginx, Inc
Modified:
head/sys/kern/uipc_socket.c
Modified: head/sys/kern/uipc_socket.c
==============================================================================
--- head/sys/kern/uipc_socket.c Fri Mar 29 13:53:14 2013 (r248883)
+++ head/sys/kern/uipc_socket.c Fri Mar 29 13:57:55 2013 (r248884)
@@ -1860,6 +1860,7 @@ dontblock:
nextrecord = m->m_nextpkt;
sbfree(&so->so_rcv, m);
if (mp != NULL) {
+ m->m_nextpkt = NULL;
*mp = m;
mp = &m->m_next;
so->so_rcv.sb_mb = m = m->m_next;
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