Konstantin Belousov dec68aeff8 libc/stdlib/getenv.c: always allocate new environment ...

in particular, if the old environment is NULL.

Among making it less surprising for userspace to observe NULL environ,
the change also prevents NULL deref in __rebuild_environ() when
terminating the empty as NULL environment with the NULL pointer.

Reported by:	 Leo Bicknell <[email protected]>
PR:	298747
Reviewed by:	emaste, markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D59996

2026-10-02 22:48:42 +03:00

..

aarch64

libc: Parenthesise qualifier-preserving function definitions

2026-09-13 16:03:00 +03:30

amd64

libc: Parenthesise qualifier-preserving function definitions

2026-09-13 16:03:00 +03:30

arm

libc/armv7: remove default version for alloca

2026-03-05 10:34:47 +00:00

capability

file: Add filecaps_intersect() and cap_rights_intersect()

2026-09-29 15:54:16 +00:00

compat-43

…

csu

libc/csu: Pass HWCAP flags to ifunc resolver functions

2026-01-13 15:28:04 +00:00

db

db/hash: Harden hash(3) database code

2026-09-18 12:27:47 +02:00

gdtoa

libc: prevent incorrect %a/%La rounding at full precision

2025-09-13 21:09:26 -06:00

gen

sysctl: Return ECAPMODE when trying to access sysctls in capability mode

2026-09-29 01:29:22 +00:00

gmon

…

i386

libc: Fix a typo in a source code comment

2025-08-17 09:24:59 +02:00

iconv

libc: Preserve const qualifier on strchr(3), strrchr(3), and memchr(3) results

2026-09-13 16:03:00 +03:30

include

runtime: add the ability to set exterrors in userspace

2026-08-20 11:39:00 +01:00

inet

libc: Preserve const qualifier on strchr(3), strrchr(3), and memchr(3) results

2026-09-13 16:03:00 +03:30

isc

…

locale

libc locale/localeconv.c: use release semantic when clearing locale_changed

2026-07-05 06:18:50 +03:00

nameser

libc: Preserve const qualifier on strchr(3), strrchr(3), and memchr(3) results

2026-09-13 16:03:00 +03:30

net

libc: Preserve const qualifier on strchr(3), strrchr(3), and memchr(3) results

2026-09-13 16:03:00 +03:30

nls

libc: Move NLS catalogues to the locales packages

2025-10-05 06:12:54 +01:00

posix1e

acl_from_text.c: Allow negative uid/gid numbers to be handled

2026-07-06 12:33:22 -07:00

powerpc

…

powerpc64

powerpc64le: switch long double to IEEE binary128

2026-06-19 23:25:39 +02:00

quad

libc/quad: fix missing closing #endif in Symbol.map

2026-03-06 00:22:06 -08:00

regex

packages: Install development manpages in the -dev package

2025-10-26 02:26:06 +00:00

resolv

libc/resolv: Dead code and style cleanup

2026-07-06 14:23:55 +02:00

riscv

libc: fix strtold NaN representation on riscv

2026-06-10 19:30:40 -04:00

rpc

getnetconfig: make nc_error a thread local variable

2026-03-05 10:30:30 +00:00

secure

…

softfloat

…

stdbit

manuals: Fix more Fx and nearby mechanical typos

2026-08-04 10:04:23 -04:00

stdio

libc: Preserve const qualifier on strchr(3), strrchr(3), and memchr(3) results

2026-09-13 16:03:00 +03:30

stdlib

libc/stdlib/getenv.c: always allocate new environment

2026-10-02 22:48:42 +03:00

stdtime

libc/stdtime: Catch up with tzcode 2026d

2026-09-13 15:54:42 +02:00

string

libc: Parenthesise qualifier-preserving function definitions

2026-09-13 16:03:00 +03:30

sys

Revert erronously pushed series of commits, which should not be.

2026-05-03 23:12:03 +03:00

tests

libc/db: Correct a typo in the the hash tampering test

2026-09-18 16:15:20 +02:00

uuid

…

x86/gen

…

xdr

xdr: Fix xdr_string

2026-09-29 14:12:59 +02:00

yp

…

libc_nossp.ldscript

…

libc.ldscript

…

Makefile

build: Stop testing LINKER_FEATURES for ifunc and build-id

2026-03-10 20:00:17 -04:00

Makefile.depend

…

Makefile.depend.options

…

Versions.def

lib/libc: add FBSD-1.9 to Versions.def

2025-10-03 19:46:22 +02:00