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When the MT_SONAME mbuf is popped off of a receive socket buffer

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associated with a PR_ADDR protocol, make sure to update the m_nextpkt
pointer of the new head mbuf on the chain to point to the next record.
Otherwise, when we release the socket buffer mutex, the socket buffer
mbuf chain may be in an inconsistent state.
This commit is contained in:
Robert Watson 2004-07-10 21:43:35 +00:00
parent 82ebaee7a3
commit 7e17bc9f26
1 changed files with 2 additions and 0 deletions
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2
sys/kern/uipc_socket.c
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@ -1001,6 +1001,8 @@ soreceive(so, psa, uio, mp0, controlp, flagsp)
sbfree(&so->so_rcv, m);
so->so_rcv.sb_mb = m_free(m);
m = so->so_rcv.sb_mb;
if (m != NULL)
m->m_nextpkt = nextrecord;
}
}
while (m != NULL && m->m_type == MT_CONTROL && error == 0) {