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Brandon Bergren e039e3d1d2 [POWERPC] Fix ppc64 makecontext() parameter overflow handling.
On ELFv2, the overflow parameters in the stack frame are at a different offset
from sp than ELFv1. Adjust code to use the correct offset in all cases.

This had resulted in argv[8] and up being copied to the incorrect address
in the new context's initial stack frame.

This is not necessarily the only bug in this function, I need to do a full
review still and ensure the rest of the math is sane for ELFv2 stack frames.

Reported by:	pherde (Probably. My notes are a bit unclear.)
Reviewed by:	jhibbits (in irc)
Sponsored by:	Tag1 Consulting, Inc.
2020-08-06 17:49:19 +00:00
bin ps(1): Fix formatting of the "command" field for kernel threads. 2020-07-28 15:26:19 +00:00
cddl MFOpenZFS: Add support for boot environment data to be stored in the label 2020-08-05 14:32:20 +00:00
contrib Continued ipfilter #ifdef cleanup. The r343701 log entry contains a 2020-08-05 15:33:32 +00:00
crypto sshd: allow UseBlocklist alias for UseBlacklist 2020-07-29 00:34:24 +00:00
etc Connect the tests provided with the new bc and dc 2020-08-03 20:26:04 +00:00
gnu Remove now-unused GNU as build infrastructure 2020-06-07 13:53:23 +00:00
include <regex.h>: reserve a regcomp field for REG_POSIX 2020-07-31 12:40:31 +00:00
kerberos5
lib [POWERPC] Fix ppc64 makecontext() parameter overflow handling. 2020-08-06 17:49:19 +00:00
libexec Load ipfilter, ipnat, and ippool rules, and start ipmon in a vnet jail. 2020-07-23 17:39:45 +00:00
release pkgbase: Remove vcs revision from kernel and runtime comment 2020-08-06 16:11:30 +00:00
rescue - Cleanups related to sparc64 removal. 2020-07-28 10:58:37 +00:00
sbin Fix SIGSEGV in ipfw(8) when NAT64 prefix length is omitted. 2020-08-05 11:26:49 +00:00
secure Replace OPENSSL_NO_SSL3_METHODs with dummies 2020-07-01 00:59:28 +00:00
share Synchronize definitions in mbuf.d with values from mbuf.h 2020-08-05 11:54:02 +00:00
stand Fix compilation error for install.c in loader 2020-07-31 16:08:25 +00:00
sys Preserve ASLR vm_map flags across fork 2020-08-06 16:20:20 +00:00
targets Add WITH_CLANG_FORMAT option 2020-06-24 17:03:42 +00:00
tests Limit gmirror failpoint tests to the test worker 2020-07-23 23:29:50 +00:00
tools Fix the smrstress build after r358400. 2020-08-05 17:26:20 +00:00
usr.bin bsdgrep: switch to libregex for GNU_GREP_COMPAT 2020-08-04 02:47:24 +00:00
usr.sbin pmcstat: fix build on non-64 bit platforms 2020-08-05 20:42:08 +00:00
.arcconfig
.arclint
.cirrus.yml Cirrus-CI: increase timeout to 120m 2020-02-19 15:56:40 +00:00
.clang-format Clang-format: Avoid hardcoded LLVM include-order style 2020-06-24 23:22:36 +00:00
.gitattributes
.gitignore
COPYRIGHT
LOCKS
MAINTAINERS Update bhyve maintainers. 2020-06-26 06:11:50 +00:00
Makefile Use universe-toolchain config(8) 2020-04-29 02:18:39 +00:00
Makefile.inc1 pkgbase: Add the possibility to choose the output dir 2020-08-06 16:14:43 +00:00
Makefile.libcompat Stop building libl and liby 2020-03-26 08:23:09 +00:00
Makefile.sys.inc
ObsoleteFiles.inc Remove free_domain() and uma_zfree_domain(). 2020-08-04 13:58:36 +00:00
README
README.md
RELNOTES UPDATING / RELNOTES: Document new regcomp(3) behavior 2020-07-29 23:59:35 +00:00
UPDATING UPDATING: Add a note about running installworld twice 2020-07-31 02:21:19 +00:00

FreeBSD Source:

This is the top level of the FreeBSD source directory. This file was last revised on: FreeBSD

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

For copyright information, please see the file COPYRIGHT in this directory. Additional copyright information also exists for some sources in this tree - please see the specific source directories for more information.

The Makefile in this directory supports a number of targets for building components (or all) of the FreeBSD source tree. See build(7), config(8), https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html, and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information, including setting make(1) variables.

Source Roadmap:

bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

stand		Boot loader sources.

sys		Kernel sources.

sys/<arch>/conf Kernel configuration files. GENERIC is the configuration
		used in release builds. NOTES contains documentation of
		all possible entries.

tests		Regression tests which can be run by Kyua.  See tests/README
		for additional information.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.

For information on synchronizing your source tree with one or more of the FreeBSD Project's development branches, please see:

https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html