artulab.com Git - openbsd/commit

author	guenther <guenther@openbsd.org>
	Fri, 18 Apr 2014 11:51:16 +0000 (11:51 +0000)
committer	guenther <guenther@openbsd.org>
	Fri, 18 Apr 2014 11:51:16 +0000 (11:51 +0000)
commit	a9ddc28608c80433f03eded670401243dac5208d
tree	ef25dcedbf9427970755f3d5be11e756e058e542	tree \| snapshot
parent	8b31bd26c8f03dd3312167a7f119ecf00c56d44e	commit \| diff

Have each thread keeps its own (counted!) reference to the process's ucreds
to avoid possible use-after-free references when swapping ids in threaded
processes. "Do I have the right creds?" checks are always made with the
threads creds.

Inspired by FreeBSD and NetBSD
"right time" deraadt@

25 files changed:

sys/arch/alpha/alpha/trap.c		diff \| blob \| history
sys/arch/amd64/amd64/trap.c		diff \| blob \| history
sys/arch/arm/arm/fault.c		diff \| blob \| history
sys/arch/hppa/hppa/trap.c		diff \| blob \| history
sys/arch/hppa64/hppa64/trap.c		diff \| blob \| history
sys/arch/i386/i386/trap.c		diff \| blob \| history
sys/arch/m88k/m88k/trap.c		diff \| blob \| history
sys/arch/mips64/mips64/trap.c		diff \| blob \| history
sys/arch/powerpc/powerpc/trap.c		diff \| blob \| history
sys/arch/sh/sh/trap.c		diff \| blob \| history
sys/arch/solbourne/solbourne/trap.c		diff \| blob \| history
sys/arch/sparc/sparc/trap.c		diff \| blob \| history
sys/arch/sparc64/sparc64/trap.c		diff \| blob \| history
sys/arch/vax/vax/trap.c		diff \| blob \| history
sys/dev/systrace.c		diff \| blob \| history
sys/kern/init_main.c		diff \| blob \| history
sys/kern/kern_exec.c		diff \| blob \| history
sys/kern/kern_exit.c		diff \| blob \| history
sys/kern/kern_fork.c		diff \| blob \| history
sys/kern/kern_prot.c		diff \| blob \| history
sys/kern/kern_sig.c		diff \| blob \| history
sys/sys/cdefs.h		diff \| blob \| history
sys/sys/proc.h		diff \| blob \| history
sys/sys/syscall_mi.h		diff \| blob \| history
sys/sys/ucred.h		diff \| blob \| history

OpenBSD src

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by Ahmet Artu Yildirim