commit 4166ab42d93783cbac0053cfcec3560cc2ab91d7 Author: Tim Biermann <tbier@posteo.de> Date: Sun May 7 13:35:38 2023 +0200 glibc: sync with upstream 2.36 branch diff --git a/glibc/.signature b/glibc/.signature index 095b1e23..9315206f 100644 --- a/glibc/.signature +++ b/glibc/.signature @@ -1,10 +1,10 @@ untrusted comment: verify with /etc/ports/core.pub -RWRJc1FUaeVeqgTOHuB8/rBhnErpd+XzLcgljGrIWBSuVymSw6v83cRQ7NSr3F6QYDxqq9zmgoYUbHELj7frHWYGfynV7eoSTgk= -SHA256 (Pkgfile) = bccffd9bba06c7ebc3f1f293d6d590ac62394e1dcefe1461e6537ea8474a4d1c +RWRJc1FUaeVeqoL9rvJccSezL2XrvsdvgVdKzmuKSjTdWqf3Hxplxag63RXeokgJeQ/oVAnuYl1SyqkRcE0n1UC8wTbusqcHPwU= +SHA256 (Pkgfile) = fce2aaaffdaf9633bbb4e7eaa2a221d0e98a9f5ff870351fb1b8613faf2bcec7 SHA256 (.footprint) = 9eff4b9e8478995dd0aceacfe9301a250827c8b27cb1d4605c696ac55eec873c SHA256 (glibc-2.36.tar.xz) = 1c959fea240906226062cb4b1e7ebce71a9f0e3c0836c09e7e3423d434fcfe75 SHA256 (linux-5.15.55.tar.xz) = 1ef6bd508b6c3af3bef2d5b337e4477254dba284c79e329aa38f9763ae3bfdcc -SHA256 (glibc-2.36-4.patch) = c562f1a0b80b6ba8694df8a90fa7a3ff20604b6bf486c2ab76d02a62f3e77844 +SHA256 (glibc-2.36-5.patch) = 99eb19cb6fc24553fcd548e8f375dd1d10a4996d1605cf0036bdaac2013a7f3f SHA256 (hosts) = 5c02b256c105f1d4a12fb738d71c1bab9eb126533074d7a0c8a14b92670c9431 SHA256 (resolv.conf) = 72ccb58768a72a771ec37142bc361a18478a07ec9de6e925a20760794389bf51 SHA256 (nsswitch.conf) = 859b8984e5e90aff3cce8f9779996ae4033b280d2122840e9411e2f44a1c2e61 diff --git a/glibc/Pkgfile b/glibc/Pkgfile index af2eac96..e23e74db 100644 --- a/glibc/Pkgfile +++ b/glibc/Pkgfile @@ -4,12 +4,12 @@ name=glibc version=2.36 -release=4 +release=5 _kernel_version=5.15.55 source=(https://ftp.gnu.org/gnu/glibc/glibc-$version.tar.xz https://www.kernel.org/pub/linux/kernel/v5.x/linux-$_kernel_version.tar.xz - glibc-$version-4.patch + glibc-$version-5.patch hosts resolv.conf nsswitch.conf host.conf ld.so.conf locale-gen locale.gen.in) @@ -20,7 +20,7 @@ build() { make -C $SRC/linux-$_kernel_version INSTALL_HDR_PATH=$PKG/usr headers_install chown root:root $PKG/usr - patch -p1 -d $SRC/$name-${version:0:4} -i $SRC/$name-$version-4.patch + patch -p1 -d $SRC/$name-${version:0:4} -i $SRC/$name-$version-5.patch mkdir $SRC/build cd $SRC/build diff --git a/glibc/glibc-2.36-4.patch b/glibc/glibc-2.36-5.patch similarity index 91% rename from glibc/glibc-2.36-4.patch rename to glibc/glibc-2.36-5.patch index e0722ac5..9ee43a4f 100644 --- a/glibc/glibc-2.36-4.patch +++ b/glibc/glibc-2.36-5.patch @@ -66,10 +66,10 @@ index d1e139d03c..09c0cf8357 100644 else # -s verbose := diff --git a/NEWS b/NEWS -index f61e521fc8..aff6951c1d 100644 +index f61e521fc8..0b3ee2ad14 100644 --- a/NEWS +++ b/NEWS -@@ -5,6 +5,57 @@ See the end for copying conditions. +@@ -5,6 +5,63 @@ See the end for copying conditions. Please send GNU C library bug reports via <https://sourceware.org/bugzilla/> using `glibc' in the "product" field.  @@ -93,7 +93,9 @@ index f61e521fc8..aff6951c1d 100644 + + [12154] Do not fail DNS resolution for CNAMEs which are not host names + [24816] Fix tst-nss-files-hosts-long on single-stack hosts ++ [27576] gmon: improve mcount overflow handling + [28846] CMSG_NXTHDR may trigger -Wstrict-overflow warning ++ [29444] gmon: Fix allocated buffer overflow (bug 29444) + [29864] libc: __libc_start_main() should obtain program headers + address (_dl_phdr) from the auxv, not the ELF header. + [29305] Conserve NSS buffer space during DNS packet parsing @@ -123,6 +125,10 @@ index f61e521fc8..aff6951c1d 100644 + [29776] elf/tst-tlsopt-powerpc fails when compiled with -mcpu=power10 + [29951] time: Set daylight to 1 for matching DST/offset change + [30053] time: strftime %s returns -1 after 2038 on 32 bits systems ++ [30101] gmon: fix memory corruption issues ++ [30151] gshadow: Matching sgetsgent, sgetsgent_r ERANGE handling ++ [30163] posix: Fix system blocks SIGCHLD erroneously ++ [30305] x86_64: Fix asm constraints in feraiseexcept + Version 2.36 @@ -641,6 +647,28 @@ index 4af0b5b2ce..f45b630ba5 100644 call_function_static_weak (_dl_find_object_init); +diff --git a/elf/dl-tunables.list b/elf/dl-tunables.list +index e6a56b3070..9fa3b484cf 100644 +--- a/elf/dl-tunables.list ++++ b/elf/dl-tunables.list +@@ -169,4 +169,17 @@ glibc { + default: 2 + } + } ++ ++ gmon { ++ minarcs { ++ type: INT_32 ++ minval: 50 ++ default: 50 ++ } ++ maxarcs { ++ type: INT_32 ++ minval: 50 ++ default: 1048576 ++ } ++ } + } diff --git a/elf/dso-sort-tests-1.def b/elf/dso-sort-tests-1.def index 5f7f18ef27..4bf9052db1 100644 --- a/elf/dso-sort-tests-1.def @@ -946,6 +974,469 @@ index 0000000000..ec937bf4ec +esac + +exit $errors +diff --git a/gmon/Makefile b/gmon/Makefile +index 552b7d7751..fbe2b0ba5c 100644 +--- a/gmon/Makefile ++++ b/gmon/Makefile +@@ -1,4 +1,5 @@ +-# Copyright (C) 1995-2022 Free Software Foundation, Inc. ++# Copyright (C) 1995-2023 Free Software Foundation, Inc. ++# Copyright The GNU Toolchain Authors. + # This file is part of the GNU C Library. + + # The GNU C Library is free software; you can redistribute it and/or +@@ -25,7 +26,7 @@ include ../Makeconfig + headers := sys/gmon.h sys/gmon_out.h sys/profil.h + routines := gmon mcount profil sprofil prof-freq + +-tests = tst-sprofil tst-gmon ++tests = tst-sprofil tst-gmon tst-mcleanup + ifeq ($(build-profile),yes) + tests += tst-profile-static + tests-static += tst-profile-static +@@ -56,6 +57,14 @@ ifeq ($(run-built-tests),yes) + tests-special += $(objpfx)tst-gmon-gprof.out + endif + ++CFLAGS-tst-mcleanup.c := -fno-omit-frame-pointer -pg ++tst-mcleanup-no-pie = yes ++CRT-tst-mcleanup := $(csu-objpfx)g$(start-installed-name) ++tst-mcleanup-ENV := GMON_OUT_PREFIX=$(objpfx)tst-mcleanup.data ++ifeq ($(run-built-tests),yes) ++tests-special += $(objpfx)tst-mcleanup.out ++endif ++ + CFLAGS-tst-gmon-static.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg + CRT-tst-gmon-static := $(csu-objpfx)g$(static-start-installed-name) + tst-gmon-static-no-pie = yes +@@ -103,6 +112,18 @@ $(objpfx)tst-gmon.out: clean-tst-gmon-data + clean-tst-gmon-data: + rm -f $(objpfx)tst-gmon.data.* + ++$(objpfx)tst-mcount-overflow.o: clean-tst-mcount-overflow-data ++clean-tst-mcount-overflow-data: ++ rm -f $(objpfx)tst-mcount-overflow.data.* ++ ++$(objpfx)tst-mcount-overflow-check.out: tst-mcount-overflow-check.sh $(objpfx)tst-mcount-overflow.out ++ $(SHELL) $< $(objpfx)tst-mcount-overflow > $@; \ ++ $(evaluate-test) ++ ++$(objpfx)tst-mcleanup.out: clean-tst-mcleanup-data ++clean-tst-mcleanup-data: ++ rm -f $(objpfx)tst-mcleanup.data.* ++ + $(objpfx)tst-gmon-gprof.out: tst-gmon-gprof.sh $(objpfx)tst-gmon.out + $(SHELL) $< $(GPROF) $(objpfx)tst-gmon $(objpfx)tst-gmon.data.* > $@; \ + $(evaluate-test) +diff --git a/gmon/gmon.c b/gmon/gmon.c +index dee64803ad..97be1f72ca 100644 +--- a/gmon/gmon.c ++++ b/gmon/gmon.c +@@ -97,11 +97,8 @@ __moncontrol (int mode) + { + struct gmonparam *p = &_gmonparam; + +- /* Don't change the state if we ran into an error. */ +- if (p->state == GMON_PROF_ERROR) +- return; +- +- if (mode) ++ /* Treat start request as stop if error or gmon not initialized. */ ++ if (mode && p->state != GMON_PROF_ERROR && p->tos != NULL) + { + /* start */ + __profil((void *) p->kcount, p->kcountsize, p->lowpc, s_scale); +@@ -111,7 +108,9 @@ __moncontrol (int mode) + { + /* stop */ + __profil(NULL, 0, 0, 0); +- p->state = GMON_PROF_OFF; ++ /* Don't change the state if we ran into an error. */ ++ if (p->state != GMON_PROF_ERROR) ++ p->state = GMON_PROF_OFF; + } + } + libc_hidden_def (__moncontrol) +@@ -124,6 +123,19 @@ __monstartup (u_long lowpc, u_long highpc) + int o; + char *cp; + struct gmonparam *p = &_gmonparam; ++ long int minarcs, maxarcs; ++ ++ /* No tunables, we use hardcoded defaults */ ++ minarcs = MINARCS; ++ maxarcs = MAXARCS; ++ ++ /* ++ * If we are incorrectly called twice in a row (without an ++ * intervening call to _mcleanup), ignore the second call to ++ * prevent leaking memory. ++ */ ++ if (p->tos != NULL) ++ return; + + /* + * round lowpc and highpc to multiples of the density we're using +@@ -132,6 +144,8 @@ __monstartup (u_long lowpc, u_long highpc) + p->lowpc = ROUNDDOWN(lowpc, HISTFRACTION * sizeof(HISTCOUNTER)); + p->highpc = ROUNDUP(highpc, HISTFRACTION * sizeof(HISTCOUNTER)); + p->textsize = p->highpc - p->lowpc; ++ /* This looks like a typo, but it's here to align the p->froms ++ section. */ + p->kcountsize = ROUNDUP(p->textsize / HISTFRACTION, sizeof(*p->froms)); + p->hashfraction = HASHFRACTION; + p->log_hashfraction = -1; +@@ -142,12 +156,12 @@ __monstartup (u_long lowpc, u_long highpc) + instead of integer division. Precompute shift amount. */ + p->log_hashfraction = ffs(p->hashfraction * sizeof(*p->froms)) - 1; + } +- p->fromssize = p->textsize / HASHFRACTION; ++ p->fromssize = ROUNDUP(p->textsize / HASHFRACTION, sizeof(*p->froms)); + p->tolimit = p->textsize * ARCDENSITY / 100; +- if (p->tolimit < MINARCS) +- p->tolimit = MINARCS; +- else if (p->tolimit > MAXARCS) +- p->tolimit = MAXARCS; ++ if (p->tolimit < minarcs) ++ p->tolimit = minarcs; ++ else if (p->tolimit > maxarcs) ++ p->tolimit = maxarcs; + p->tossize = p->tolimit * sizeof(struct tostruct); + + cp = calloc (p->kcountsize + p->fromssize + p->tossize, 1); +@@ -440,9 +454,14 @@ _mcleanup (void) + { + __moncontrol (0); + +- if (_gmonparam.state != GMON_PROF_ERROR) ++ if (_gmonparam.state != GMON_PROF_ERROR && _gmonparam.tos != NULL) + write_gmon (); + + /* free the memory. */ + free (_gmonparam.tos); ++ ++ /* reset buffer to initial state for safety */ ++ memset(&_gmonparam, 0, sizeof _gmonparam); ++ /* somewhat confusingly, ON=0, OFF=3 */ ++ _gmonparam.state = GMON_PROF_OFF; + } +diff --git a/gmon/mcount.c b/gmon/mcount.c +index 9d4a1a50fa..f7180fdb83 100644 +--- a/gmon/mcount.c ++++ b/gmon/mcount.c +@@ -41,6 +41,10 @@ static char sccsid[] = "@(#)mcount.c 8.1 (Berkeley) 6/4/93"; + + #include <atomic.h> + ++#include <not-cancel.h> ++#include <unistd.h> ++#define ERR(s) __write_nocancel (STDERR_FILENO, s, sizeof (s) - 1) ++ + /* + * mcount is called on entry to each function compiled with the profiling + * switch set. _mcount(), which is declared in a machine-dependent way +@@ -170,6 +174,7 @@ done: + return; + overflow: + p->state = GMON_PROF_ERROR; ++ ERR("mcount: call graph buffer size limit exceeded, gmon.out will not be generated\n"); + return; + } + +diff --git a/gmon/sys/gmon.h b/gmon/sys/gmon.h +index b4cc3b043a..af0582a371 100644 +--- a/gmon/sys/gmon.h ++++ b/gmon/sys/gmon.h +@@ -111,6 +111,8 @@ extern struct __bb *__bb_head; + * Always allocate at least this many tostructs. This + * hides the inadequacy of the ARCDENSITY heuristic, at least + * for small programs. ++ * ++ * Value can be overridden at runtime by glibc.gmon.minarcs tunable. + */ + #define MINARCS 50 + +@@ -124,8 +126,8 @@ extern struct __bb *__bb_head; + * Used to be max representable value of ARCINDEX minus 2, but now + * that ARCINDEX is a long, that's too large; we don't really want + * to allow a 48 gigabyte table. +- * The old value of 1<<16 wasn't high enough in practice for large C++ +- * programs; will 1<<20 be adequate for long? FIXME ++ * ++ * Value can be overridden at runtime by glibc.gmon.maxarcs tunable. + */ + #define MAXARCS (1 << 20) + +diff --git a/gmon/tst-mcleanup.c b/gmon/tst-mcleanup.c +new file mode 100644 +index 0000000000..b259653ec8 +--- /dev/null ++++ b/gmon/tst-mcleanup.c +@@ -0,0 +1,31 @@ ++/* Test program for repeated invocation of _mcleanup ++ Copyright The GNU Toolchain Authors. ++ This file is part of the GNU C Library. ++ ++ The GNU C Library is free software; you can redistribute it and/or ++ modify it under the terms of the GNU Lesser General Public ++ License as published by the Free Software Foundation; either ++ version 2.1 of the License, or (at your option) any later version. ++ ++ The GNU C Library is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ Lesser General Public License for more details. ++ ++ You should have received a copy of the GNU Lesser General Public ++ License along with the GNU C Library; if not, see ++ <https://www.gnu.org/licenses/>. */ ++ ++/* Intentionally calls _mcleanup() twice: once manually, it will be ++ called again as an atexit handler. This is incorrect use of the API, ++ but the point of the test is to make sure we don't crash when the ++ API is misused in this way. */ ++ ++#include <sys/gmon.h> ++ ++int ++main (void) ++{ ++ _mcleanup(); ++ return 0; ++} +diff --git a/gmon/tst-mcount-overflow-check.sh b/gmon/tst-mcount-overflow-check.sh +new file mode 100644 +index 0000000000..27eb5538fd +--- /dev/null ++++ b/gmon/tst-mcount-overflow-check.sh +@@ -0,0 +1,45 @@ ++#!/bin/sh ++# Test expected messages generated when mcount overflows ++# Copyright (C) 2017-2023 Free Software Foundation, Inc. ++# Copyright The GNU Toolchain Authors. ++# This file is part of the GNU C Library. ++ ++# The GNU C Library is free software; you can redistribute it and/or ++# modify it under the terms of the GNU Lesser General Public ++# License as published by the Free Software Foundation; either ++# version 2.1 of the License, or (at your option) any later version. ++ ++# The GNU C Library is distributed in the hope that it will be useful, ++# but WITHOUT ANY WARRANTY; without even the implied warranty of ++# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++# Lesser General Public License for more details. ++ ++# You should have received a copy of the GNU Lesser General Public ++# License along with the GNU C Library; if not, see ++# <https://www.gnu.org/licenses/>. ++ ++LC_ALL=C ++export LC_ALL ++set -e ++exec 2>&1 ++ ++program="$1" ++ ++check_msg() { ++ if ! grep -q "$1" "$program.out"; then ++ echo "FAIL: expected message not in output: $1" ++ exit 1 ++ fi ++} ++ ++check_msg 'monstartup: maxarcs < minarcs, setting maxarcs = minarcs' ++check_msg 'mcount: call graph buffer size limit exceeded, gmon.out will not be generated' ++ ++for data_file in $1.data.*; do ++ if [ -f "$data_file" ]; then ++ echo "FAIL: expected no data files, but found $data_file" ++ exit 1 ++ fi ++done ++ ++echo PASS +diff --git a/gmon/tst-mcount-overflow.c b/gmon/tst-mcount-overflow.c +new file mode 100644 +index 0000000000..06cc93ef87 +--- /dev/null ++++ b/gmon/tst-mcount-overflow.c +@@ -0,0 +1,72 @@ ++/* Test program to trigger mcount overflow in profiling collection. ++ Copyright (C) 2017-2023 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ ++ The GNU C Library is free software; you can redistribute it and/or ++ modify it under the terms of the GNU Lesser General Public ++ License as published by the Free Software Foundation; either ++ version 2.1 of the License, or (at your option) any later version. ++ ++ The GNU C Library is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ Lesser General Public License for more details. ++ ++ You should have received a copy of the GNU Lesser General Public ++ License along with the GNU C Library; if not, see ++ <https://www.gnu.org/licenses/>. */ ++ ++/* Program with sufficiently complex, yet pointless, call graph ++ that it will trigger an mcount overflow, when you set the ++ minarcs/maxarcs tunables to very low values. */ ++ ++#define PREVENT_TAIL_CALL asm volatile ("") ++ ++/* Calls REP(n) macro 16 times, for n=0..15. ++ * You need to define REP(n) before using this. ++ */ ++#define REPS \ ++ REP(0) REP(1) REP(2) REP(3) REP(4) REP(5) REP(6) REP(7) \ ++ REP(8) REP(9) REP(10) REP(11) REP(12) REP(13) REP(14) REP(15) ++ ++/* Defines 16 leaf functions named f1_0 to f1_15 */ ++#define REP(n) \ ++ __attribute__ ((noinline, noclone, weak)) void f1_##n (void) {}; ++REPS ++#undef REP ++ ++/* Calls all 16 leaf functions f1_* in succession */ ++__attribute__ ((noinline, noclone, weak)) void ++f2 (void) ++{ ++# define REP(n) f1_##n(); ++ REPS ++# undef REP ++ PREVENT_TAIL_CALL; ++} ++ ++/* Defines 16 functions named f2_0 to f2_15, which all just call f2 */ ++#define REP(n) \ ++ __attribute__ ((noinline, noclone, weak)) void \ ++ f2_##n (void) { f2(); PREVENT_TAIL_CALL; }; ++REPS ++#undef REP ++ ++__attribute__ ((noinline, noclone, weak)) void ++f3 (int count) ++{ ++ for (int i = 0; i < count; ++i) ++ { ++ /* Calls f1_0(), f2_0(), f1_1(), f2_1(), f3_0(), etc */ ++# define REP(n) f1_##n(); f2_##n(); ++ REPS ++# undef REP ++ } ++} ++ ++int ++main (void) ++{ ++ f3 (1000); ++ return 0; ++} +diff --git a/gshadow/Makefile b/gshadow/Makefile +index eff303f538..5b3fa7e387 100644 +--- a/gshadow/Makefile ++++ b/gshadow/Makefile +@@ -26,7 +26,7 @@ headers = gshadow.h + routines = getsgent getsgnam sgetsgent fgetsgent putsgent \ + getsgent_r getsgnam_r sgetsgent_r fgetsgent_r + +-tests = tst-gshadow tst-putsgent tst-fgetsgent_r ++tests = tst-gshadow tst-putsgent tst-fgetsgent_r tst-sgetsgent + + CFLAGS-getsgent_r.c += -fexceptions + CFLAGS-getsgent.c += -fexceptions +diff --git a/gshadow/sgetsgent_r.c b/gshadow/sgetsgent_r.c +index 28c826c9b5..a767a643d4 100644 +--- a/gshadow/sgetsgent_r.c ++++ b/gshadow/sgetsgent_r.c +@@ -61,7 +61,10 @@ __sgetsgent_r (const char *string, struct sgrp *resbuf, char *buffer, + buffer[buflen - 1] = '\0'; + sp = strncpy (buffer, string, buflen); + if (buffer[buflen - 1] != '\0') +- return ERANGE; ++ { ++ __set_errno (ERANGE); ++ return ERANGE; ++ } + } + else + sp = (char *) string; +diff --git a/gshadow/tst-sgetsgent.c b/gshadow/tst-sgetsgent.c +new file mode 100644 +index 0000000000..0370c10fd0 +--- /dev/null ++++ b/gshadow/tst-sgetsgent.c +@@ -0,0 +1,69 @@ ++/* Test large input for sgetsgent (bug 30151). ++ Copyright (C) 2023 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ ++ The GNU C Library is free software; you can redistribute it and/or ++ modify it under the terms of the GNU Lesser General Public ++ License as published by the Free Software Foundation; either ++ version 2.1 of the License, or (at your option) any later version. ++ ++ The GNU C Library is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ Lesser General Public License for more details. ++ ++ You should have received a copy of the GNU Lesser General Public ++ License along with the GNU C Library; if not, see ++ <https://www.gnu.org/licenses/>. */ ++ ++#include <gshadow.h> ++#include <stddef.h> ++#include <support/check.h> ++#include <support/support.h> ++#include <support/xmemstream.h> ++#include <stdlib.h> ++ ++static int ++do_test (void) ++{ ++ /* Create a shadow group with 1000 members. */ ++ struct xmemstream mem; ++ xopen_memstream (&mem); ++ const char *passwd = "k+zD0nucwfxAo3sw1NXUj6K5vt5M16+X0TVGdE1uFvq5R8V7efJ"; ++ fprintf (mem.out, "group-name:%s::m0", passwd); ++ for (int i = 1; i < 1000; ++i) ++ fprintf (mem.out, ",m%d", i); ++ xfclose_memstream (&mem); ++ ++ /* Call sgetsgent. */ ++ char *input = mem.buffer; ++ struct sgrp *e = sgetsgent (input); ++ TEST_VERIFY_EXIT (e != NULL); ++ TEST_COMPARE_STRING (e->sg_namp, "group-name"); ++ TEST_COMPARE_STRING (e->sg_passwd, passwd); ++ /* No administrators. */ ++ TEST_COMPARE_STRING (e->sg_adm[0], NULL); ++ /* Check the members list. */ ++ for (int i = 0; i < 1000; ++i) ++ { ++ char *member = xasprintf ("m%d", i); ++ TEST_COMPARE_STRING (e->sg_mem[i], member); ++ free (member); ++ } ++ TEST_COMPARE_STRING (e->sg_mem[1000], NULL); ++ ++ /* Check that putsgent brings back the input string. */ ++ xopen_memstream (&mem); ++ TEST_COMPARE (putsgent (e, mem.out), 0); ++ xfclose_memstream (&mem); ++ /* Compare without the trailing '\n' that putsgent added. */ ++ TEST_COMPARE (mem.buffer[mem.length - 1], '\n'); ++ mem.buffer[mem.length - 1] = '\0'; ++ TEST_COMPARE_STRING (mem.buffer, input); ++ ++ free (mem.buffer); ++ free (input); ++ return 0; ++} ++ ++#include <support/test-driver.c> diff --git a/iconv/gconv_parseconfdir.h b/iconv/gconv_parseconfdir.h index debb96b322..b72933b526 100644 --- a/iconv/gconv_parseconfdir.h @@ -5672,6 +6163,57 @@ index 0000000000..0596b9763b + +#define TEST_FUNCTION do_test +#include <support/test-driver.c> +diff --git a/stdlib/tst-system.c b/stdlib/tst-system.c +index f7fa74b2a6..5e0c79475f 100644 +--- a/stdlib/tst-system.c ++++ b/stdlib/tst-system.c +@@ -25,6 +25,7 @@ + #include <support/check.h> + #include <support/temp_file.h> + #include <support/support.h> ++#include <support/xthread.h> + #include <support/xunistd.h> + + static char *tmpdir; +@@ -71,6 +72,20 @@ call_system (void *closure) + } + } + ++static void * ++sleep_and_check_sigchld (void *closure) ++{ ++ double *seconds = (double *) closure; ++ char cmd[namemax]; ++ sprintf (cmd, "sleep %lf" , *seconds); ++ TEST_COMPARE (system (cmd), 0); ++ ++ sigset_t blocked = {0}; ++ TEST_COMPARE (sigprocmask (SIG_BLOCK, NULL, &blocked), 0); ++ TEST_COMPARE (sigismember (&blocked, SIGCHLD), 0); ++ return NULL; ++} ++ + static int + do_test (void) + { +@@ -154,6 +169,17 @@ do_test (void) + xchmod (_PATH_BSHELL, st.st_mode); + } + ++ { ++ pthread_t long_sleep_thread = xpthread_create (NULL, ++ sleep_and_check_sigchld, ++ &(double) { 0.2 }); ++ pthread_t short_sleep_thread = xpthread_create (NULL, ++ sleep_and_check_sigchld, ++ &(double) { 0.1 }); ++ xpthread_join (short_sleep_thread); ++ xpthread_join (long_sleep_thread); ++ } ++ + TEST_COMPARE (system (""), 0); + + return 0; diff --git a/string/test-strnlen.c b/string/test-strnlen.c index 4a9375112a..5cbaf4b734 100644 --- a/string/test-strnlen.c @@ -5789,6 +6331,183 @@ index bf7f0b81c4..c1d1c43e50 100644 i = strlen (netname); if (netname[i - 1] == '.') netname[i - 1] = '\0'; +diff --git a/support/Makefile b/support/Makefile +index 9b50eac117..2b661a7eb8 100644 +--- a/support/Makefile ++++ b/support/Makefile +@@ -32,6 +32,8 @@ libsupport-routines = \ + check_hostent \ + check_netent \ + delayed_exit \ ++ dtotimespec \ ++ dtotimespec-time64 \ + ignore_stderr \ + next_to_fault \ + oom_error \ +diff --git a/support/dtotimespec-time64.c b/support/dtotimespec-time64.c +new file mode 100644 +index 0000000000..b3d5e351e3 +--- /dev/null ++++ b/support/dtotimespec-time64.c +@@ -0,0 +1,27 @@ ++/* Convert double to timespec. 64-bit time support. ++ Copyright (C) 2011-2023 Free Software Foundation, Inc. ++ This file is part of the GNU C Library and is also part of gnulib. ++ Patches to this file should be submitted to both projects. ++ ++ The GNU C Library is free software; you can redistribute it and/or ++ modify it under the terms of the GNU Lesser General Public ++ License as published by the Free Software Foundation; either ++ version 2.1 of the License, or (at your option) any later version. ++ ++ The GNU C Library is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ Lesser General Public License for more details. ++ ++ You should have received a copy of the GNU Lesser General Public ++ License along with the GNU C Library; if not, see ++ <https://www.gnu.org/licenses/>. */ ++ ++#include <time.h> ++ ++#if __TIMESIZE != 64 ++# define timespec __timespec64 ++# define time_t __time64_t ++# define dtotimespec dtotimespec_time64 ++# include "dtotimespec.c" ++#endif +diff --git a/support/dtotimespec.c b/support/dtotimespec.c +new file mode 100644 +index 0000000000..cde5b4d74c +--- /dev/null ++++ b/support/dtotimespec.c +@@ -0,0 +1,50 @@ ++/* Convert double to timespec. ++ Copyright (C) 2011-2023 Free Software Foundation, Inc. ++ This file is part of the GNU C Library and is also part of gnulib. ++ Patches to this file should be submitted to both projects. ++ ++ The GNU C Library is free software; you can redistribute it and/or ++ modify it under the terms of the GNU Lesser General Public ++ License as published by the Free Software Foundation; either ++ version 2.1 of the License, or (at your option) any later version. ++ ++ The GNU C Library is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ Lesser General Public License for more details. ++ ++ You should have received a copy of the GNU Lesser General Public ++ License along with the GNU C Library; if not, see ++ <https://www.gnu.org/licenses/>. */ ++ ++/* Convert the double value SEC to a struct timespec. Round toward ++ positive infinity. On overflow, return an extremal value. */ ++ ++#include <support/timespec.h> ++#include <intprops.h> ++ ++struct timespec ++dtotimespec (double sec) ++{ ++ if (sec <= TYPE_MINIMUM (time_t)) ++ return make_timespec (TYPE_MINIMUM (time_t), 0); ++ else if (sec >= 1.0 + TYPE_MAXIMUM (time_t)) ++ return make_timespec (TYPE_MAXIMUM (time_t), TIMESPEC_HZ - 1); ++ else ++ { ++ time_t s = sec; ++ double frac = TIMESPEC_HZ * (sec - s); ++ long ns = frac; ++ ns += ns < frac; ++ s += ns / TIMESPEC_HZ; ++ ns %= TIMESPEC_HZ; ++ ++ if (ns < 0) ++ { ++ s--; ++ ns += TIMESPEC_HZ; ++ } ++ ++ return make_timespec (s, ns); ++ } ++} +diff --git a/support/shell-container.c b/support/shell-container.c +index 1c73666f0a..6698061b9b 100644 +--- a/support/shell-container.c ++++ b/support/shell-container.c +@@ -39,6 +39,7 @@ + #include <error.h> + + #include <support/support.h> ++#include <support/timespec.h> + + /* Design considerations + +@@ -171,6 +172,32 @@ kill_func (char **argv) + return 0; + } + ++/* Emulate the "/bin/sleep" command. No suffix support. Options are ++ ignored. */ ++static int ++sleep_func (char **argv) ++{ ++ if (argv[0] == NULL) ++ { ++ fprintf (stderr, "sleep: missing operand\n"); ++ return 1; ++ } ++ char *endptr = NULL; ++ double sec = strtod (argv[0], &endptr); ++ if (endptr == argv[0] || errno == ERANGE || sec < 0) ++ { ++ fprintf (stderr, "sleep: invalid time interval '%s'\n", argv[0]); ++ return 1; ++ } ++ struct timespec ts = dtotimespec (sec); ++ if (nanosleep (&ts, NULL) < 0) ++ { ++ fprintf (stderr, "sleep: failed to nanosleep: %s\n", strerror (errno)); ++ return 1; ++ } ++ return 0; ++} ++ + /* This is a list of all the built-in commands we understand. */ + static struct { + const char *name; +@@ -181,6 +208,7 @@ static struct { + { "cp", copy_func }, + { "exit", exit_func }, + { "kill", kill_func }, ++ { "sleep", sleep_func }, + { NULL, NULL } + }; + +diff --git a/support/timespec.h b/support/timespec.h +index 4d2ac2737d..1bba3a6837 100644 +--- a/support/timespec.h ++++ b/support/timespec.h +@@ -57,6 +57,8 @@ int support_timespec_check_in_range (struct timespec expected, + struct timespec observed, + double lower_bound, double upper_bound); + ++struct timespec dtotimespec (double sec) __attribute__((const)); ++ + #else + struct timespec __REDIRECT (timespec_add, (struct timespec, struct timespec), + timespec_add_time64); +@@ -82,6 +84,8 @@ int __REDIRECT (support_timespec_check_in_range, (struct timespec expected, + double lower_bound, + double upper_bound), + support_timespec_check_in_range_time64); ++ ++struct timespec __REDIRECT (dtotimespec, (double sec), dtotimespec_time64); + #endif + + /* Check that the timespec on the left represents a time before the diff --git a/sysdeps/aarch64/dl-trampoline.S b/sysdeps/aarch64/dl-trampoline.S index 909b208578..d66f0b9c45 100644 --- a/sysdeps/aarch64/dl-trampoline.S @@ -6127,6 +6846,30 @@ index bcff909b2f..5cda9bb072 100644 res->got_ipv6 = true; } at[count].next = at + count + 1; +diff --git a/sysdeps/posix/system.c b/sysdeps/posix/system.c +index 8014f63355..20c9420dd4 100644 +--- a/sysdeps/posix/system.c ++++ b/sysdeps/posix/system.c +@@ -179,16 +179,16 @@ do_system (const char *line) + as if the shell had terminated using _exit(127). */ + status = W_EXITCODE (127, 0); + ++ /* sigaction can not fail with SIGINT/SIGQUIT used with old ++ disposition. Same applies for sigprocmask. */ + DO_LOCK (); + if (SUB_REF () == 0) + { +- /* sigaction can not fail with SIGINT/SIGQUIT used with old +- disposition. Same applies for sigprocmask. */ + __sigaction (SIGINT, &intr, NULL); + __sigaction (SIGQUIT, &quit, NULL); +- __sigprocmask (SIG_SETMASK, &omask, NULL); + } + DO_UNLOCK (); ++ __sigprocmask (SIG_SETMASK, &omask, NULL); + + if (ret != 0) + __set_errno (ret); diff --git a/sysdeps/powerpc/mod-tlsopt-powerpc.c b/sysdeps/powerpc/mod-tlsopt-powerpc.c index 2a82e53baf..d941024963 100644 --- a/sysdeps/powerpc/mod-tlsopt-powerpc.c @@ -7828,6 +8571,57 @@ index 037af22290..5711d1c312 100644 TEST_VERIFY (fd > 0); char *path = xasprintf ("/proc/%d/fd/%d", pid, remote_fd); +diff --git a/sysdeps/x86/dl-cacheinfo.h b/sysdeps/x86/dl-cacheinfo.h +index e9f3382108..637b5a022d 100644 +--- a/sysdeps/x86/dl-cacheinfo.h ++++ b/sysdeps/x86/dl-cacheinfo.h +@@ -861,6 +861,18 @@ dl_init_cacheinfo (struct cpu_features *cpu_features) + share of the cache, it has a substantial risk of negatively + impacting the performance of other threads running on the chip. */ + unsigned long int non_temporal_threshold = shared * 3 / 4; ++ /* SIZE_MAX >> 4 because memmove-vec-unaligned-erms right-shifts the value of ++ 'x86_non_temporal_threshold' by `LOG_4X_MEMCPY_THRESH` (4) and it is best ++ if that operation cannot overflow. Minimum of 0x4040 (16448) because the ++ L(large_memset_4x) loops need 64-byte to cache align and enough space for ++ at least 1 iteration of 4x PAGE_SIZE unrolled loop. Both values are ++ reflected in the manual. */ ++ unsigned long int maximum_non_temporal_threshold = SIZE_MAX >> 4; ++ unsigned long int minimum_non_temporal_threshold = 0x4040; ++ if (non_temporal_threshold < minimum_non_temporal_threshold) ++ non_temporal_threshold = minimum_non_temporal_threshold; ++ else if (non_temporal_threshold > maximum_non_temporal_threshold) ++ non_temporal_threshold = maximum_non_temporal_threshold; + + #if HAVE_TUNABLES + /* NB: The REP MOVSB threshold must be greater than VEC_SIZE * 8. */ +@@ -915,8 +927,8 @@ dl_init_cacheinfo (struct cpu_features *cpu_features) + shared = tunable_size; + + tunable_size = TUNABLE_GET (x86_non_temporal_threshold, long int, NULL); +- /* NB: Ignore the default value 0. */ +- if (tunable_size != 0) ++ if (tunable_size > minimum_non_temporal_threshold ++ && tunable_size <= maximum_non_temporal_threshold) + non_temporal_threshold = tunable_size; + + tunable_size = TUNABLE_GET (x86_rep_movsb_threshold, long int, NULL); +@@ -931,14 +943,9 @@ dl_init_cacheinfo (struct cpu_features *cpu_features) + + TUNABLE_SET_WITH_BOUNDS (x86_data_cache_size, data, 0, SIZE_MAX); + TUNABLE_SET_WITH_BOUNDS (x86_shared_cache_size, shared, 0, SIZE_MAX); +- /* SIZE_MAX >> 4 because memmove-vec-unaligned-erms right-shifts the value of +- 'x86_non_temporal_threshold' by `LOG_4X_MEMCPY_THRESH` (4) and it is best +- if that operation cannot overflow. Minimum of 0x4040 (16448) because the +- L(large_memset_4x) loops need 64-byte to cache align and enough space for +- at least 1 iteration of 4x PAGE_SIZE unrolled loop. Both values are +- reflected in the manual. */ + TUNABLE_SET_WITH_BOUNDS (x86_non_temporal_threshold, non_temporal_threshold, +- 0x4040, SIZE_MAX >> 4); ++ minimum_non_temporal_threshold, ++ maximum_non_temporal_threshold); + TUNABLE_SET_WITH_BOUNDS (x86_rep_movsb_threshold, rep_movsb_threshold, + minimum_rep_movsb_threshold, SIZE_MAX); + TUNABLE_SET_WITH_BOUNDS (x86_rep_stosb_threshold, rep_stosb_threshold, 1, diff --git a/sysdeps/x86/get-isa-level.h b/sysdeps/x86/get-isa-level.h index 1ade78ab73..5b4dd5f062 100644 --- a/sysdeps/x86/get-isa-level.h @@ -7855,6 +8649,28 @@ index 3c4480aba7..06f6c9663e 100644 #define MOVBE_X86_ISA_LEVEL 3 /* ISA level >= 2 guaranteed includes. */ +diff --git a/sysdeps/x86_64/fpu/fraiseexcpt.c b/sysdeps/x86_64/fpu/fraiseexcpt.c +index 864f4777a2..23446ff4ac 100644 +--- a/sysdeps/x86_64/fpu/fraiseexcpt.c ++++ b/sysdeps/x86_64/fpu/fraiseexcpt.c +@@ -33,7 +33,7 @@ __feraiseexcept (int excepts) + /* One example of an invalid operation is 0.0 / 0.0. */ + float f = 0.0; + +- __asm__ __volatile__ ("divss %0, %0 " : : "x" (f)); ++ __asm__ __volatile__ ("divss %0, %0 " : "+x" (f)); + (void) &f; + } + +@@ -43,7 +43,7 @@ __feraiseexcept (int excepts) + float f = 1.0; + float g = 0.0; + +- __asm__ __volatile__ ("divss %1, %0" : : "x" (f), "x" (g)); ++ __asm__ __volatile__ ("divss %1, %0" : "+x" (f) : "x" (g)); + (void) &f; + } + diff --git a/sysdeps/x86_64/multiarch/ifunc-avx2.h b/sysdeps/x86_64/multiarch/ifunc-avx2.h index a57a9952f3..f2f5e8a211 100644 --- a/sysdeps/x86_64/multiarch/ifunc-avx2.h