artulab.com Git - openbsd/commit

author	bluhm <bluhm@openbsd.org>
	Mon, 19 Jun 2017 17:58:49 +0000 (17:58 +0000)
committer	bluhm <bluhm@openbsd.org>
	Mon, 19 Jun 2017 17:58:49 +0000 (17:58 +0000)
commit	36c0109eae52b8c24faab57b6f949fb2dd622cb5
tree	cc0859199dae91d7020bdd7213495b91146b5a01	tree \| snapshot
parent	9d9f10a05de35a88056efd8fe359805a31eb76ef	commit \| diff

When dealing with mbuf pointers passed down as function parameters,
bugs could easily result in use-after-free or double free. Introduce
m_freemp() which automatically resets the pointer before freeing
it. So we have less dangling pointers in the kernel.
OK krw@ mpi@ claudio@

15 files changed:

share/man/man9/mbuf.9		diff \| blob \| history
sys/net/bsd-comp.c		diff \| blob \| history
sys/net/if_gif.c		diff \| blob \| history
sys/net/pf_norm.c		diff \| blob \| history
sys/net/ppp-deflate.c		diff \| blob \| history
sys/netinet/igmp.c		diff \| blob \| history
sys/netinet/ip_carp.c		diff \| blob \| history
sys/netinet/ip_ether.c		diff \| blob \| history
sys/netinet/ip_icmp.c		diff \| blob \| history
sys/netinet/ip_input.c		diff \| blob \| history
sys/netinet/ip_ipip.c		diff \| blob \| history
sys/netinet/ipsec_input.c		diff \| blob \| history
sys/netinet6/ip6_input.c		diff \| blob \| history
sys/nfs/nfs_socket.c		diff \| blob \| history
sys/sys/mbuf.h		diff \| blob \| history

OpenBSD src

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by Ahmet Artu Yildirim