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Kyle Evans d529de874b res_find: Fix fallback logic
The fallback logic was broken if hints were found in multiple environments.
If we found a hint in either the loader environment or the static
environment, fallback would be incremented excessively when we returned to
the environment-selection bits. These checks should have also been guarded
by the fbacklvl checks. As a result, fbacklvl could quickly get to a point
where we skip either the static environment and/or the static hints
depending on which environments contained valid hints.

The impact of this bug is minimal, mostly affecting mips boards that use
static hints and may have hints in either the loader environment or the
static environment.

There may be better ways to express the searchable environments and
describing their characteristics (immutable, already searched, etc.) but
this may be revisited after 12 branches.

Reported by:	Dan Nelson <dnelson_1901@yahoo.com>
Triaged by:	Dan Nelson <dnelson_1901@yahoo.com>
MFC after:	3 days
2018-08-18 19:45:56 +00:00
bin ls(1): Add --color=when 2018-08-17 04:15:51 +00:00
cddl libbe(3): Move build goop back out of cddl/ 2018-08-18 03:20:59 +00:00
contrib bsnmpd(8): fix and optimize interface description processing 2018-08-18 10:58:44 +00:00
crypto Merge OpenSSL 1.0.2p. 2018-08-14 17:48:02 +00:00
etc Add Modbus Application Protocol to /etc/services 2018-08-17 15:18:57 +00:00
gnu Update libstdc++ configuration. 2018-07-16 18:53:28 +00:00
include POSIX compliance improvements in the pthread(3) functions. 2018-08-18 01:05:38 +00:00
kerberos5 krb5-config build: Remove gratuitous escaping 2018-08-12 00:06:21 +00:00
lib Workaround ECAPMODE for kernels between revision [331280, 337999) 2018-08-18 08:32:21 +00:00
libexec Rework rtld's TLS Variant I implementation to match r326794 2018-08-17 16:19:47 +00:00
release Copy the boot loader from the new location for the co-existing 2018-08-17 20:41:50 +00:00
rescue Avoid referencing private lib names directly. 2017-11-10 07:53:02 +00:00
sbin bectl(8): Allow running a custom command in the 'jail' subcommand 2018-08-18 01:12:44 +00:00
secure Fix build after r337852: Don't rebuild moduli based on unrelated moduli.c 2018-08-16 19:48:07 +00:00
share libbe(3): Move build goop back out of cddl/ 2018-08-18 03:20:59 +00:00
stand Add ashldi3 and ashrdi3 to mips. 2018-08-16 19:39:02 +00:00
sys res_find: Fix fallback logic 2018-08-18 19:45:56 +00:00
targets Remove special cases for armeb in the build. 2018-07-17 23:23:54 +00:00
tests Fix sys/netipsec/tunnel tests after r337736 2018-08-17 18:37:22 +00:00
tools Specify DB_FROM_SRC=yes when doing any installation target. 2018-08-16 22:13:43 +00:00
usr.bin dtc(1): Update to 97d2d5715eeb45108cc60367fdf6bd5b2046b050 2018-08-17 13:24:48 +00:00
usr.sbin Add the possibility to mark packets urgent based on their length. 2018-08-17 10:18:45 +00:00
.arcconfig
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.gitattributes Remove spuriously added svn properties 2018-08-02 18:37:02 +00:00
.gitignore Ignore _.universe-toolchain file. 2018-07-01 13:50:37 +00:00
COPYRIGHT Remove 'All Rights Reserved' from the collection copyright and templates. 2018-05-09 02:02:49 +00:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Add pointer to freebsd-numerics for libm. 2018-07-16 15:29:32 +00:00
Makefile Import OpenSSL 1.0.2p. 2018-08-14 16:18:14 +00:00
Makefile.inc1 libbe(3): Move build goop back out of cddl/ 2018-08-18 03:20:59 +00:00
Makefile.libcompat Install the 32-bit compat sanitizer libraries. 2018-08-03 18:52:51 +00:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc Add a few forgotten files to ObsoleteFiles.inc: 2018-07-25 17:14:05 +00:00
README Import OpenSSL 1.0.2p. 2018-08-14 16:18:14 +00:00
README.md README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
UPDATING ls(1): Add --color=when 2018-08-17 04:15:51 +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.

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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.
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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.

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