git: network - Zero out m_len / m_pkthdr.len in m_get*() and friends
Matthew Dillon
dillon at crater.dragonflybsd.org
Fri Sep 17 15:32:12 PDT 2010
commit 5bd0853245defc31dd20f12ea567749800e54e72
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date: Fri Sep 17 15:29:22 2010 -0700
network - Zero out m_len / m_pkthdr.len in m_get*() and friends
* Newly allocated mbufs now set m_len and (if a packet header)
m_pkthdr.len to 0 instead of leaving them uninitialized,
allowing us to assert that the mbuf does not have an overrun
later when it is freed.
Reported-by: Jan Lentfer <Jan.Lentfer at web.de>
Summary of changes:
sys/dev/netif/fxp/if_fxp.c | 8 +++++---
sys/kern/uipc_mbuf.c | 5 +++++
2 files changed, 10 insertions(+), 3 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/5bd0853245defc31dd20f12ea567749800e54e72
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