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H.J. Lu 55d63e7312 x86/cet: Don't set CET active by default
Not all CET enabled applications and libraries have been properly tested
in CET enabled environments.  Some CET enabled applications or libraries
will crash or misbehave when CET is enabled.  Don't set CET active by
default so that all applications and libraries will run normally regardless
of whether CET is active or not.  Shadow stack can be enabled by

$ export GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK

at run-time if shadow stack can be enabled by kernel.

NB: This commit can be reverted if it is OK to enable CET by default for
all applications and libraries.
2024-01-01 05:22:48 -08:00
ChangeLog.old
advisories Move CVE information into advisories directory 2023-12-07 12:31:23 -05:00
argp argp-parse: Get rid of alloca 2023-08-28 16:49:27 +00:00
assert assert: Decorate error message buffer 2023-11-07 10:27:44 -03:00
benchtests
bits linux: Add posix_spawnattr_{get, set}cgroup_np (BZ 26371) 2023-09-05 13:08:48 -03:00
catgets gencat: Get rid of alloca. 2023-08-28 16:42:53 +00:00
conform crypt: Remove libcrypt support 2023-10-30 13:03:59 -03:00
csu
ctype
debug debug: Add fortify wprintf tests 2023-12-29 10:57:27 -03:00
dirent
dlfcn
elf elf: Always provide _dl_get_dl_main_map in libc.a 2024-01-01 05:22:48 -08:00
gmon
gnulib
hesiod
htl __call_tls_dtors: Use call_function_static_weak 2023-09-04 20:03:37 +02:00
hurd Update code to handle the new ABI for sending inlined port rights. 2023-12-17 23:48:37 +01:00
iconv Fix off-by-one OOB write in iconv/tst-iconv-mt 2023-10-04 08:33:20 +01:00
iconvdata add GB18030-2022 charmap and test the entire GB18030 charmap [BZ #30243] 2023-08-29 19:02:30 +02:00
include aarch64: Add half-width versions of AdvSIMD f32 libmvec routines 2023-12-20 08:41:25 +00:00
inet Move getnameinfo from 'inet' to 'nss' 2023-10-24 12:31:00 +02:00
intl intl: Treat C.UTF-8 locale like C locale, part 2 (BZ# 16621) 2023-12-12 10:08:07 +01:00
io Remove __access_noerrno 2023-11-23 19:01:32 +00:00
libio libio: Add nonnull attribute for most FILE * arguments in stdio.h 2023-09-26 20:11:38 -04:00
locale crypt: Remove libcrypt support 2023-10-30 13:03:59 -03:00
localedata localedata: yo_NT: remove redundant comments 2023-12-26 13:27:07 +01:00
login
mach Update code to handle the new ABI for sending inlined port rights. 2023-12-17 23:48:37 +01:00
malloc malloc: Improve MAP_HUGETLB with glibc.malloc.hugetlb=2 2023-11-29 09:30:04 -03:00
manual manual: Clarify undefined behavior of feenableexcept (BZ 31019) 2023-12-19 15:12:38 -03:00
math riscv: Fix feenvupdate with FE_DFL_ENV (BZ 31022) 2023-12-19 15:12:38 -03:00
mathvec
misc malloc: Use __get_nprocs on arena_get2 (BZ 30945) 2023-11-22 09:39:29 -03:00
nis
nptl nptl: Link tst-execstack-threads-mod.so with -z execstack 2023-11-20 09:22:25 +01:00
nptl_db
nscd Move 'netgroup' routines from 'inet' into 'nss' 2023-10-24 12:30:59 +02:00
nss nss: Remove unused allocation from get_nscd_addresses in getaddrinfo 2023-12-20 16:14:33 +01:00
po
posix posix: Revert the removal of the crypt prototype from <unistd.h> 2023-11-22 08:38:33 +01:00
resolv resolv: Fix a few unaligned accesses to fields in HEADER 2023-12-12 09:42:55 +01:00
resource
rt
scripts Move CVE information into advisories directory 2023-12-07 12:31:23 -05:00
setjmp
signal
socket
soft-fp
stdio-common elf: Fix _dl_debug_vdprintf to work before self-relocation 2023-11-21 16:15:42 -03:00
stdlib tst-setcontext10.c: Undef _FORTIFY_SOURCE 2023-12-19 13:39:34 -08:00
string string: Add internal memswap implementation 2023-10-31 14:17:33 -03:00
sunrpc Move 'rpc' routines from 'inet' into 'nss' 2023-10-24 12:31:00 +02:00
support support: Add support_set_vma_name 2023-11-07 10:27:20 -03:00
sysdeps x86/cet: Don't set CET active by default 2024-01-01 05:22:48 -08:00
sysvipc
termios
time
timezone
wcsmbs Add strlcat/wcslcat testcase. 2023-10-17 18:19:01 -04:00
wctype
.clang-format
.gitattributes
.gitignore
CONTRIBUTED-BY crypt: Remove libcrypt support 2023-10-30 13:03:59 -03:00
COPYING
COPYING.LIB
INSTALL crypt: Remove libcrypt support 2023-10-30 13:03:59 -03:00
LICENSES
MAINTAINERS
Makeconfig crypt: Remove libcrypt support 2023-10-30 13:03:59 -03:00
Makefile Format test results closer to what DejaGnu does 2023-11-03 12:58:17 +00:00
Makefile.help
Makefile.in
Makerules
NEWS Move CVE information into advisories directory 2023-12-07 12:31:23 -05:00
README
Rules
SECURITY.md Adapt the security policy for the security page 2023-12-05 09:15:10 -05:00
SHARED-FILES crypt: Remove libcrypt support 2023-10-30 13:03:59 -03:00
abi-tags
aclocal.m4
config.h.in LoongArch: Add minuimum binutils required version 2023-08-14 09:47:09 +08:00
config.make.in crypt: Remove libcrypt support 2023-10-30 13:03:59 -03:00
configure crypt: Remove libcrypt support 2023-10-30 13:03:59 -03:00
configure.ac crypt: Remove libcrypt support 2023-10-30 13:03:59 -03:00
extra-lib.mk
gen-locales.mk
libc-abis
libof-iterator.mk
o-iterator.mk
shlib-versions crypt: Remove libcrypt support 2023-10-30 13:03:59 -03:00
test-skeleton.c
version.h

README

This directory contains the sources of the GNU C Library.
See the file "version.h" for what release version you have.

The GNU C Library is the standard system C library for all GNU systems,
and is an important part of what makes up a GNU system.  It provides the
system API for all programs written in C and C-compatible languages such
as C++ and Objective C; the runtime facilities of other programming
languages use the C library to access the underlying operating system.

In GNU/Linux systems, the C library works with the Linux kernel to
implement the operating system behavior seen by user applications.
In GNU/Hurd systems, it works with a microkernel and Hurd servers.

The GNU C Library implements much of the POSIX.1 functionality in the
GNU/Hurd system, using configurations i[4567]86-*-gnu and x86_64-gnu.

When working with Linux kernels, this version of the GNU C Library
requires Linux kernel version 3.2 or later.

Also note that the shared version of the libgcc_s library must be
installed for the pthread library to work correctly.

The GNU C Library supports these configurations for using Linux kernels:

	aarch64*-*-linux-gnu
	alpha*-*-linux-gnu
	arc*-*-linux-gnu
	arm-*-linux-gnueabi
	csky-*-linux-gnuabiv2
	hppa-*-linux-gnu
	i[4567]86-*-linux-gnu
	x86_64-*-linux-gnu	Can build either x86_64 or x32
	ia64-*-linux-gnu
	loongarch64-*-linux-gnu Hardware floating point, LE only.
	m68k-*-linux-gnu
	microblaze*-*-linux-gnu
	mips-*-linux-gnu
	mips64-*-linux-gnu
	or1k-*-linux-gnu
	powerpc-*-linux-gnu	Hardware or software floating point, BE only.
	powerpc64*-*-linux-gnu	Big-endian and little-endian.
	s390-*-linux-gnu
	s390x-*-linux-gnu
	riscv32-*-linux-gnu
	riscv64-*-linux-gnu
	sh[34]-*-linux-gnu
	sparc*-*-linux-gnu
	sparc64*-*-linux-gnu

If you are interested in doing a port, please contact the glibc
maintainers; see https://www.gnu.org/software/libc/ for more
information.

See the file INSTALL to find out how to configure, build, and install
the GNU C Library.  You might also consider reading the WWW pages for
the C library at https://www.gnu.org/software/libc/.

The GNU C Library is (almost) completely documented by the Texinfo manual
found in the `manual/' subdirectory.  The manual is still being updated
and contains some known errors and omissions; we regret that we do not
have the resources to work on the manual as much as we would like.  For
corrections to the manual, please file a bug in the `manual' component,
following the bug-reporting instructions below.  Please be sure to check
the manual in the current development sources to see if your problem has
already been corrected.

Please see https://www.gnu.org/software/libc/bugs.html for bug reporting
information.  We are now using the Bugzilla system to track all bug reports.
This web page gives detailed information on how to report bugs properly.

The GNU C Library is free software.  See the file COPYING.LIB for copying
conditions, and LICENSES for notices about a few contributions that require
these additional notices to be distributed.  License copyright years may be
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