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Accepting request 868599 from home:Andreas_Schwab:Factory

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- Update to glibc 2.33
  * The dynamic linker accepts the --list-tunables argument which prints
    all the supported tunables.
  * The dynamic linker accepts the --argv0 argument and provides opportunity
    to change argv[0] string.
  * The dynamic linker loads optimized implementations of shared objects
    from subdirectories under the glibc-hwcaps directory on the library
    search path if the system's capabilities meet the requirements for
    that subdirectory.
  * The new --help option of the dynamic linker provides usage and
    information and library search path diagnostics.
  * The mallinfo2 function is added to report statistics as per mallinfo,
    but with larger field widths to accurately report values that are
    larger than fit in an integer.
  * Add <sys/platform/x86.h> to provide query macros for x86 CPU features.
  * A new fortification level _FORTIFY_SOURCE=3 is available.
  * The mallinfo function is marked deprecated.
  * When dlopen is used in statically linked programs, alternative library
    implementations from HWCAP subdirectories are no longer loaded.
  * The deprecated <sys/vtimes.h> header and the function vtimes have been
    removed.
  * On s390(x), the type float_t is now derived from the macro
    __FLT_EVAL_METHOD__ that is defined by the compiler, instead of being
    hardcoded to double.
  * A future version of glibc will stop loading shared objects from the
    "tls" subdirectories on the library search path, the subdirectory that
    corresponds to the AT_PLATFORM system name, and also stop employing
    the legacy AT_HWCAP search mechanism.
  * CVE-2021-3326: An assertion failure during conversion from the
    ISO-20220-JP-3 character set using the iconv function has been fixed.

OBS-URL: https://build.opensuse.org/request/show/868599
OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=577
This commit is contained in:
Andreas Schwab 2021-02-02 11:37:02 +00:00 committed by Git OBS Bridge
parent 5f38c0099e
commit aa7f55e9fc
23 changed files with 406 additions and 3567 deletions
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25
aarch64-static-pie.patch
View File

@ -1,25 +0,0 @@
From d4136903a29baabeec8987b53081def8b4a49826 Mon Sep 17 00:00:00 2001
From: Guillaume Gardet <guillaume.gardet@arm.com>
Date: Mon, 14 Dec 2020 15:38:22 +0000
Subject: [PATCH] aarch64: fix static PIE start code for BTI [BZ #27068]
A bti c was missing from rcrt1.o which made all -static-pie
binaries fail at program startup on BTI enabled systems.
Fixes bug 27068.
---
sysdeps/aarch64/start.S | 1 +
1 file changed, 1 insertion(+)
Index: glibc-2.32/sysdeps/aarch64/start.S
===================================================================
--- glibc-2.32.orig/sysdeps/aarch64/start.S
+++ glibc-2.32/sysdeps/aarch64/start.S
@@ -101,6 +101,7 @@ _start:
because crt1.o and rcrt1.o share code and the later must avoid the
use of GOT relocations before __libc_start_main is called. */
__wrap_main:
+ BTI_C
b main
#endif

134
euc-kr-overrun.patch
View File

@ -1,134 +0,0 @@
Fix buffer overrun in EUC-KR conversion module (bug 24973)
The byte 0xfe as input to the EUC-KR conversion denotes a user-defined
area and is not allowed. The from_euc_kr function used to skip two bytes
when told to skip over the unknown designation, potentially running over
the buffer end.
[BZ #24973]
* iconvdata/ksc5601.h (ksc5601_to_ucs4): Check for available bytes
first.
* iconvdata/euc-kr.c (BODY for FROM_LOOP): Don't check for unknown
two-byte codes here.
* iconvdata/Makefile (tests): Add bug-iconv13.
* iconvdata/bug-iconv13.c: New file.
---
iconvdata/Makefile | 2 +-
iconvdata/bug-iconv13.c | 53 +++++++++++++++++++++++++++++++++++++++++
iconvdata/euc-kr.c | 6 +----
iconvdata/ksc5601.h | 6 ++---
4 files changed, 58 insertions(+), 9 deletions(-)
create mode 100644 iconvdata/bug-iconv13.c
Index: glibc-2.32/iconvdata/Makefile
===================================================================
--- glibc-2.32.orig/iconvdata/Makefile
+++ glibc-2.32/iconvdata/Makefile
@@ -73,7 +73,8 @@ modules.so := $(addsuffix .so, $(modules
ifeq (yes,$(build-shared))
tests = bug-iconv1 bug-iconv2 tst-loading tst-e2big tst-iconv4 bug-iconv4 \
tst-iconv6 bug-iconv5 bug-iconv6 tst-iconv7 bug-iconv8 bug-iconv9 \
- bug-iconv10 bug-iconv11 bug-iconv12 tst-iconv-big5-hkscs-to-2ucs4
+ bug-iconv10 bug-iconv11 bug-iconv12 tst-iconv-big5-hkscs-to-2ucs4 \
+ bug-iconv13
ifeq ($(have-thread-library),yes)
tests += bug-iconv3
endif
Index: glibc-2.32/iconvdata/bug-iconv13.c
===================================================================
--- /dev/null
+++ glibc-2.32/iconvdata/bug-iconv13.c
@@ -0,0 +1,53 @@
+/* bug 24973: Test EUC-KR module
+ Copyright (C) 2019 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 <errno.h>
+#include <iconv.h>
+#include <stdio.h>
+#include <support/check.h>
+
+static int
+do_test (void)
+{
+ iconv_t cd = iconv_open ("UTF-8//IGNORE", "EUC-KR");
+ TEST_VERIFY_EXIT (cd != (iconv_t) -1);
+
+ /* 0xfe (->0x7e : row 94) and 0xc9 (->0x49 : row 41) are user-defined
+ areas, which are not allowed and should be skipped over due to
+ //IGNORE. The trailing 0xfe also is an incomplete sequence, which
+ should be checked first. */
+ char input[4] = { '\xc9', '\xa1', '\0', '\xfe' };
+ char *inptr = input;
+ size_t insize = sizeof (input);
+ char output[4];
+ char *outptr = output;
+ size_t outsize = sizeof (output);
+
+ /* This used to crash due to buffer overrun. */
+ TEST_VERIFY (iconv (cd, &inptr, &insize, &outptr, &outsize) == (size_t) -1);
+ TEST_VERIFY (errno == EINVAL);
+ /* The conversion should produce one character, the converted null
+ character. */
+ TEST_VERIFY (sizeof (output) - outsize == 1);
+
+ TEST_VERIFY_EXIT (iconv_close (cd) != -1);
+
+ return 0;
+}
+
+#include <support/test-driver.c>
Index: glibc-2.32/iconvdata/euc-kr.c
===================================================================
--- glibc-2.32.orig/iconvdata/euc-kr.c
+++ glibc-2.32/iconvdata/euc-kr.c
@@ -80,11 +80,7 @@ euckr_from_ucs4 (uint32_t ch, unsigned c
\
if (ch <= 0x9f) \
++inptr; \
- /* 0xfe(->0x7e : row 94) and 0xc9(->0x59 : row 41) are \
- user-defined areas. */ \
- else if (__builtin_expect (ch == 0xa0, 0) \
- || __builtin_expect (ch > 0xfe, 0) \
- || __builtin_expect (ch == 0xc9, 0)) \
+ else if (__glibc_unlikely (ch == 0xa0)) \
{ \
/* This is illegal. */ \
STANDARD_FROM_LOOP_ERR_HANDLER (1); \
Index: glibc-2.32/iconvdata/ksc5601.h
===================================================================
--- glibc-2.32.orig/iconvdata/ksc5601.h
+++ glibc-2.32/iconvdata/ksc5601.h
@@ -50,15 +50,15 @@ ksc5601_to_ucs4 (const unsigned char **s
unsigned char ch2;
int idx;
+ if (avail < 2)
+ return 0;
+
/* row 94(0x7e) and row 41(0x49) are user-defined area in KS C 5601 */
if (ch < offset || (ch - offset) <= 0x20 || (ch - offset) >= 0x7e
|| (ch - offset) == 0x49)
return __UNKNOWN_10646_CHAR;
- if (avail < 2)
- return 0;
-
ch2 = (*s)[1];
if (ch2 < offset || (ch2 - offset) <= 0x20 || (ch2 - offset) >= 0x7f)
return __UNKNOWN_10646_CHAR;

2
fix-locking-in-_IO_cleanup.patch
View File

@ -144,7 +144,7 @@ Index: glibc-2.32/sysdeps/pthread/tst-stdio1.c
--- glibc-2.32.orig/sysdeps/pthread/tst-stdio1.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
-/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-

35
get-nprocs-cpu-online-parsing.patch
View File

@ -1,35 +0,0 @@
From b5eeca8cfd9d0fd92b5633a88901d9ff27f2b496 Mon Sep 17 00:00:00 2001
From: Andreas Schwab <schwab@linux-m68k.org>
Date: Tue, 8 Dec 2020 19:17:41 +0100
Subject: [PATCH] Fix parsing of /sys/devices/system/cpu/online (bug 25859)
The file contains comma-separated ranges, not spaces.
---
sysdeps/unix/sysv/linux/getsysstats.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
Index: glibc-2.32/sysdeps/unix/sysv/linux/getsysstats.c
===================================================================
--- glibc-2.32.orig/sysdeps/unix/sysv/linux/getsysstats.c
+++ glibc-2.32/sysdeps/unix/sysv/linux/getsysstats.c
@@ -143,6 +143,7 @@ __get_nprocs (void)
char *re = buffer_end;
const int flags = O_RDONLY | O_CLOEXEC;
+ /* This file contains comma-separated ranges. */
int fd = __open_nocancel ("/sys/devices/system/cpu/online", flags);
char *l;
int result = 0;
@@ -175,10 +176,10 @@ __get_nprocs (void)
result += m - n + 1;
l = endp;
- while (l < re && isspace (*l))
+ if (l < re && *l == ',')
++l;
}
- while (l < re);
+ while (l < re && *l != '\n');
__close_nocancel_nostatus (fd);

3
glibc-2.32.tar.xz
View File

@ -1,3 +0,0 @@
version https://git-lfs.github.com/spec/v1
oid sha256:1627ea54f5a1a8467032563393e0901077626dc66f37f10ee6363bb722222836
size 16744512

16
glibc-2.32.tar.xz.sig
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3
glibc-2.33.tar.xz Normal file
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size 17031280

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24
glibc-nsswitch-usr.diff
View File

@ -1,15 +1,13 @@
Index: glibc-2.31/nss/nsswitch.c
Index: glibc-2.31/nss/nss_database.c
===================================================================
--- glibc-2.31.orig/nss/nsswitch.c
+++ glibc-2.31/nss/nsswitch.c
@@ -134,6 +134,10 @@ __nss_database_lookup2 (const char *data
/* Read config file. */
service_table = nss_parse_file (_PATH_NSSWITCH_CONF);
+ /* Retry with the OS vendor provided config file. */
+ if (service_table == NULL)
+ service_table = nss_parse_file ("/usr" _PATH_NSSWITCH_CONF);
+
/* Test whether configuration data is available. */
if (service_table != NULL)
--- glibc-2.31.orig/nss/nss_database.c
+++ glibc-2.31/nss/nss_database.c
@@ -294,6 +294,8 @@ nss_database_reload (struct nss_database_data *staging,
struct file_change_detection *initial)
{
FILE *fp = fopen (_PATH_NSSWITCH_CONF, "rce");
+ if (fp == NULL)
+ fp = fopen ("/usr" _PATH_NSSWITCH_CONF, "rce");
if (fp == NULL)
switch (errno)
{

2
glibc-version.diff
View File

@ -8,7 +8,7 @@ Index: glibc-2.27/csu/version.c
static const char banner[] =
-"GNU C Library "PKGVERSION RELEASE" release version "VERSION".\n\
+"GNU C Library "PKGVERSION RELEASE" release version "VERSION" (git "GITID").\n\
Copyright (C) 2020 Free Software Foundation, Inc.\n\
Copyright (C) 2021 Free Software Foundation, Inc.\n\
This is free software; see the source for copying conditions.\n\
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n\
PARTICULAR PURPOSE.\n\

43
glibc.changes
View File

@ -1,3 +1,44 @@
-------------------------------------------------------------------
Tue Feb 2 09:33:28 UTC 2021 - Andreas Schwab <schwab@suse.de>
- Update to glibc 2.33
* The dynamic linker accepts the --list-tunables argument which prints
all the supported tunables.
* The dynamic linker accepts the --argv0 argument and provides opportunity
to change argv[0] string.
* The dynamic linker loads optimized implementations of shared objects
from subdirectories under the glibc-hwcaps directory on the library
search path if the system's capabilities meet the requirements for
that subdirectory.
* The new --help option of the dynamic linker provides usage and
information and library search path diagnostics.
* The mallinfo2 function is added to report statistics as per mallinfo,
but with larger field widths to accurately report values that are
larger than fit in an integer.
* Add <sys/platform/x86.h> to provide query macros for x86 CPU features.
* A new fortification level _FORTIFY_SOURCE=3 is available.
* The mallinfo function is marked deprecated.
* When dlopen is used in statically linked programs, alternative library
implementations from HWCAP subdirectories are no longer loaded.
* The deprecated <sys/vtimes.h> header and the function vtimes have been
removed.
* On s390(x), the type float_t is now derived from the macro
__FLT_EVAL_METHOD__ that is defined by the compiler, instead of being
hardcoded to double.
* A future version of glibc will stop loading shared objects from the
"tls" subdirectories on the library search path, the subdirectory that
corresponds to the AT_PLATFORM system name, and also stop employing
the legacy AT_HWCAP search mechanism.
* CVE-2021-3326: An assertion failure during conversion from the
ISO-20220-JP-3 character set using the iconv function has been fixed.
- Remove obsolete, unused /etc/default/nss
- aarch64-static-pie.patch, euc-kr-overrun.patch,
get-nprocs-cpu-online-parsing.patch, iconv-redundant-shift.patch,
iconv-ucs4-loop-bounds.patch, ifunc-fma4.patch,
intl-codeset-suffixes.patch, nscd-gc-cycle.patch,
printf-long-double-non-normal.patch, strerrorname-np.patch,
syslog-locking.patch, sysvipc.patch: Removed
-------------------------------------------------------------------
Tue Jan 19 13:52:09 UTC 2021 - Andreas Schwab <schwab@suse.de>
@ -196,7 +237,7 @@ Tue Nov 26 11:34:45 CET 2019 - kukuk@suse.de
Mon Oct 14 13:36:30 UTC 2019 - Andreas Schwab <schwab@suse.de>
- euc-kr-overrun.patch: Fix buffer overrun in EUC-KR conversion module
(BZ #24973)
(CVE-2019-25013, BZ #24973)
-------------------------------------------------------------------
Thu Oct 10 14:39:24 UTC 2019 - Andreas Schwab <schwab@suse.de>

359
glibc.keyring
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-----END PGP PUBLIC KEY BLOCK-----
GPG keys of Ian Wienand <ianw>
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=FC1k
-----END PGP PUBLIC KEY BLOCK-----
GPG keys of Dmitry V. Levin <ldv>
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PBg=
=Rd5j
-----END PGP PUBLIC KEY BLOCK-----

54
glibc.spec
View File

@ -1,5 +1,5 @@
#
# spec file for package glibc
# spec file for package glibc%{name_suffix}
#
# Copyright (c) 2021 SUSE LLC
#
@ -54,7 +54,7 @@ ExclusiveArch: do_not_build
Name: glibc%{name_suffix}
Summary: Standard Shared Libraries (from the GNU C Library)
License: LGPL-2.1-or-later AND LGPL-2.1-or-later WITH GCC-exception-2.0 AND GPL-2.0-or-later
License: GPL-2.0-or-later AND LGPL-2.1-or-later AND LGPL-2.1-or-later WITH GCC-exception-2.0
Group: System/Libraries
BuildRequires: audit-devel
BuildRequires: bison
@ -125,10 +125,10 @@ BuildArch: i686
%define enablekernel 4.15
%endif
Version: 2.32
Version: 2.33
Release: 0
%if !%{build_snapshot}
%define git_id 0a8262a1b2
%define git_id 9826b03b74
%define libversion %version
%else
%define git_id %(echo %version | sed 's/.*\.g//')
@ -236,26 +236,6 @@ Patch306: glibc-fix-double-loopback.diff
###
# Patches from upstream
###
# PATCH-FIX-UPSTREAM Correct locking and cancellation cleanup in syslog functions (BZ #26100)
Patch1000: syslog-locking.patch
# PATCH-FIX-UPSTREAM x86-64: Fix FMA4 detection in ifunc (BZ #26534)
Patch1001: ifunc-fma4.patch
# PATCH-FIX-UPSTREAM intl: Handle translation output codesets with suffixes (BZ #26383)
Patch1002: intl-codeset-suffixes.patch
# PATCH-FIX-UPSTREAM string: Fix strerrorname_np return value (BZ #26555)
Patch1003: strerrorname-np.patch
# PATCH-FIX-UPSTREAM sysvipc: Fix SEM_STAT_ANY kernel argument pass (BZ #26637, BZ #26639, BZ #26636)
Patch1004: sysvipc.patch
# PATCH-FIX-UPSTREAM aarch64: fix static PIE start code for BTI (BZ #27068)
Patch1005: aarch64-static-pie.patch
# PATCH-FIX-UPSTREAM iconv: Accept redundant shift sequences in IBM1364 (CVE-2020-27618, BZ #26224)
Patch1006: iconv-redundant-shift.patch
# PATCH-FIX-UPSTREAM iconv: Fix incorrect UCS4 inner loop bounds (CVE-2020-29562, BZ#26923)
Patch1007: iconv-ucs4-loop-bounds.patch
# PATCH-FIX-UPSTREAM x86: Harden printf against non-normal long double values (CVE-2020-29573, BZ #26649)
Patch1008: printf-long-double-non-normal.patch
# PATCH-FIX-UPSTREAM Fix parsing of /sys/devices/system/cpu/online (BZ #25859)
Patch1009: get-nprocs-cpu-online-parsing.patch
###
# Patches awaiting upstream approval
@ -264,10 +244,6 @@ Patch1009: get-nprocs-cpu-online-parsing.patch
Patch2000: fix-locking-in-_IO_cleanup.patch
# PATCH-FIX-UPSTREAM Avoid concurrency problem in ldconfig (BZ #23973)
Patch2001: ldconfig-concurrency.patch
# PATCH-FIX-UPSTREAM Fix buffer overrun in EUC-KR conversion module (BZ #24973)
Patch2002: euc-kr-overrun.patch
# PATCH-FIX-UPSTREAM nscd: bump GC cycle during cache pruning (BZ #26130)
Patch2003: nscd-gc-cycle.patch
# Non-glibc patches
# PATCH-FIX-OPENSUSE Remove debianisms from manpages
@ -306,7 +282,7 @@ Summary: Info Files for the GNU C Library
License: GFDL-1.1-only
Group: Documentation/Other
Requires(post): %{install_info_prereq}
Requires(preun): %{install_info_prereq}
Requires(preun):%{install_info_prereq}
BuildArch: noarch
%description info
@ -380,7 +356,7 @@ performance with NIS, NIS+, and LDAP.
%package profile
Summary: Libc Profiling and Debugging Versions
License: LGPL-2.1-or-later AND LGPL-2.1-or-later WITH GCC-exception-2.0 AND GPL-2.0-or-later
License: GPL-2.0-or-later AND LGPL-2.1-or-later AND LGPL-2.1-or-later WITH GCC-exception-2.0
Group: Development/Libraries/C and C++
Requires: glibc = %{version}
# bug437293
@ -430,6 +406,7 @@ The glibc-devel-static package contains the C library static libraries
for -static linking. You don't need these, unless you link statically,
which is highly discouraged.
# makedb requires libselinux. We add this program in a separate
# package so that glibc does not require libselinux.
%package extra
@ -468,21 +445,8 @@ makedb: A program to create a database for nss
%patch304 -p1
%patch306 -p1
%patch1000 -p1
%patch1001 -p1
%patch1002 -p1
%patch1003 -p1
%patch1004 -p1
%patch1005 -p1
%patch1006 -p1
%patch1007 -p1
%patch1008 -p1
%patch1009 -p1
%patch2000 -p1
%patch2001 -p1
%patch2002 -p1
%patch2003 -p1
%patch3000
@ -735,9 +699,6 @@ install -D -m 644 %{SOURCE5} %{buildroot}%{_prefix}/etc/nsswitch.conf
install -m 644 %{SOURCE5} %{buildroot}/etc
%endif
mkdir -p %{buildroot}/etc/default
install -m 644 nis/nss %{buildroot}/etc/default/
mkdir -p %{buildroot}%{_includedir}/resolv
install -m 0644 resolv/mapv4v6addr.h %{buildroot}%{_includedir}/resolv/
install -m 0644 resolv/mapv4v6hostent.h %{buildroot}%{_includedir}/resolv/
@ -981,7 +942,6 @@ exit 0
%endif
%attr(0644,root,root) %verify(not md5 size mtime) %ghost %config(missingok,noreplace) /etc/gai.conf
%doc posix/gai.conf
%config(noreplace) /etc/default/nss
%doc %{_mandir}/man1/gencat.1.gz
%doc %{_mandir}/man1/getconf.1.gz
%doc %{_mandir}/man5/*

82
iconv-redundant-shift.patch
View File

@ -1,82 +0,0 @@
From 9a99c682144bdbd40792ebf822fe9264e0376fb5 Mon Sep 17 00:00:00 2001
From: Arjun Shankar <arjun@redhat.com>
Date: Wed, 4 Nov 2020 12:19:38 +0100
Subject: [PATCH] iconv: Accept redundant shift sequences in IBM1364 [BZ
#26224]
The IBM1364, IBM1371, IBM1388, IBM1390 and IBM1399 character sets
share converter logic (iconvdata/ibm1364.c) which would reject
redundant shift sequences when processing input in these character
sets. This led to a hang in the iconv program (CVE-2020-27618).
This commit adjusts the converter to ignore redundant shift sequences
and adds test cases for iconv_prog hangs that would be triggered upon
their rejection. This brings the implementation in line with other
converters that also ignore redundant shift sequences (e.g. IBM930
etc., fixed in commit 692de4b3960d).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
---
NEWS | 4 +++-
iconv/tst-iconv_prog.sh | 16 ++++++++++------
iconvdata/ibm1364.c | 14 ++------------
3 files changed, 15 insertions(+), 19 deletions(-)
Index: glibc-2.32/iconv/tst-iconv_prog.sh
===================================================================
--- glibc-2.32.orig/iconv/tst-iconv_prog.sh
+++ glibc-2.32/iconv/tst-iconv_prog.sh
@@ -102,12 +102,16 @@ hangarray=(
"\x00\x80;-c;IBM1161;UTF-8//TRANSLIT//IGNORE"
"\x00\xdb;-c;IBM1162;UTF-8//TRANSLIT//IGNORE"
"\x00\x70;-c;IBM12712;UTF-8//TRANSLIT//IGNORE"
-# These are known hangs that are yet to be fixed:
-# "\x00\x0f;-c;IBM1364;UTF-8"
-# "\x00\x0f;-c;IBM1371;UTF-8"
-# "\x00\x0f;-c;IBM1388;UTF-8"
-# "\x00\x0f;-c;IBM1390;UTF-8"
-# "\x00\x0f;-c;IBM1399;UTF-8"
+"\x00\x0f;-c;IBM1364;UTF-8"
+"\x0e\x0e;-c;IBM1364;UTF-8"
+"\x00\x0f;-c;IBM1371;UTF-8"
+"\x0e\x0e;-c;IBM1371;UTF-8"
+"\x00\x0f;-c;IBM1388;UTF-8"
+"\x0e\x0e;-c;IBM1388;UTF-8"
+"\x00\x0f;-c;IBM1390;UTF-8"
+"\x0e\x0e;-c;IBM1390;UTF-8"
+"\x00\x0f;-c;IBM1399;UTF-8"
+"\x0e\x0e;-c;IBM1399;UTF-8"
"\x00\x53;-c;IBM16804;UTF-8//TRANSLIT//IGNORE"
"\x00\x41;-c;IBM274;UTF-8//TRANSLIT//IGNORE"
"\x00\x41;-c;IBM275;UTF-8//TRANSLIT//IGNORE"
Index: glibc-2.32/iconvdata/ibm1364.c
===================================================================
--- glibc-2.32.orig/iconvdata/ibm1364.c
+++ glibc-2.32/iconvdata/ibm1364.c
@@ -158,24 +158,14 @@ enum
\
if (__builtin_expect (ch, 0) == SO) \
{ \
- /* Shift OUT, change to DBCS converter. */ \
- if (curcs == db) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Shift OUT, change to DBCS converter (redundant escape okay). */ \
curcs = db; \
++inptr; \
continue; \
} \
if (__builtin_expect (ch, 0) == SI) \
{ \
- /* Shift IN, change to SBCS converter. */ \
- if (curcs == sb) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Shift IN, change to SBCS converter (redundant escape okay). */ \
curcs = sb; \
++inptr; \
continue; \

147
iconv-ucs4-loop-bounds.patch
View File

@ -1,147 +0,0 @@
From 228edd356f03bf62dcf2b1335f25d43c602ee68d Mon Sep 17 00:00:00 2001
From: Michael Colavita <mcolavita@fb.com>
Date: Thu, 19 Nov 2020 11:44:40 -0500
Subject: [PATCH] iconv: Fix incorrect UCS4 inner loop bounds (BZ#26923)
Previously, in UCS4 conversion routines we limit the number of
characters we examine to the minimum of the number of characters in the
input and the number of characters in the output. This is not the
correct behavior when __GCONV_IGNORE_ERRORS is set, as we do not consume
an output character when we skip a code unit. Instead, track the input
and output pointers and terminate the loop when either reaches its
limit.
This resolves assertion failures when resetting the input buffer in a step of
iconv, which assumes that the input will be fully consumed given sufficient
output space.
---
iconv/Makefile | 2 +-
iconv/gconv_simple.c | 16 ++++----------
iconv/tst-iconv8.c | 50 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 55 insertions(+), 13 deletions(-)
create mode 100644 iconv/tst-iconv8.c
Index: glibc-2.32/iconv/Makefile
===================================================================
--- glibc-2.32.orig/iconv/Makefile
+++ glibc-2.32/iconv/Makefile
@@ -44,7 +44,7 @@ CFLAGS-linereader.c += -DNO_TRANSLITERAT
CFLAGS-simple-hash.c += -I../locale
tests = tst-iconv1 tst-iconv2 tst-iconv3 tst-iconv4 tst-iconv5 tst-iconv6 \
- tst-iconv7 tst-iconv-mt tst-iconv-opt
+ tst-iconv7 tst-iconv8 tst-iconv-mt tst-iconv-opt
others = iconv_prog iconvconfig
install-others-programs = $(inst_bindir)/iconv
Index: glibc-2.32/iconv/gconv_simple.c
===================================================================
--- glibc-2.32.orig/iconv/gconv_simple.c
+++ glibc-2.32/iconv/gconv_simple.c
@@ -239,11 +239,9 @@ ucs4_internal_loop (struct __gconv_step
int flags = step_data->__flags;
const unsigned char *inptr = *inptrp;
unsigned char *outptr = *outptrp;
- size_t n_convert = MIN (inend - inptr, outend - outptr) / 4;
int result;
- size_t cnt;
- for (cnt = 0; cnt < n_convert; ++cnt, inptr += 4)
+ for (; inptr + 4 <= inend && outptr + 4 <= outend; inptr += 4)
{
uint32_t inval;
@@ -307,11 +305,9 @@ ucs4_internal_loop_unaligned (struct __g
int flags = step_data->__flags;
const unsigned char *inptr = *inptrp;
unsigned char *outptr = *outptrp;
- size_t n_convert = MIN (inend - inptr, outend - outptr) / 4;
int result;
- size_t cnt;
- for (cnt = 0; cnt < n_convert; ++cnt, inptr += 4)
+ for (; inptr + 4 <= inend && outptr + 4 <= outend; inptr += 4)
{
if (__glibc_unlikely (inptr[0] > 0x80))
{
@@ -613,11 +609,9 @@ ucs4le_internal_loop (struct __gconv_ste
int flags = step_data->__flags;
const unsigned char *inptr = *inptrp;
unsigned char *outptr = *outptrp;
- size_t n_convert = MIN (inend - inptr, outend - outptr) / 4;
int result;
- size_t cnt;
- for (cnt = 0; cnt < n_convert; ++cnt, inptr += 4)
+ for (; inptr + 4 <= inend && outptr + 4 <= outend; inptr += 4)
{
uint32_t inval;
@@ -684,11 +678,9 @@ ucs4le_internal_loop_unaligned (struct _
int flags = step_data->__flags;
const unsigned char *inptr = *inptrp;
unsigned char *outptr = *outptrp;
- size_t n_convert = MIN (inend - inptr, outend - outptr) / 4;
int result;
- size_t cnt;
- for (cnt = 0; cnt < n_convert; ++cnt, inptr += 4)
+ for (; inptr + 4 <= inend && outptr + 4 <= outend; inptr += 4)
{
if (__glibc_unlikely (inptr[3] > 0x80))
{
Index: glibc-2.32/iconv/tst-iconv8.c
===================================================================
--- /dev/null
+++ glibc-2.32/iconv/tst-iconv8.c
@@ -0,0 +1,50 @@
+/* Test iconv behavior on UCS4 conversions with //IGNORE.
+ Copyright (C) 2020 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
+ <http://www.gnu.org/licenses/>. */
+
+/* Derived from BZ #26923 */
+#include <errno.h>
+#include <iconv.h>
+#include <stdio.h>
+#include <support/check.h>
+
+static int
+do_test (void)
+{
+ iconv_t cd = iconv_open ("UTF-8//IGNORE", "ISO-10646/UCS4/");
+ TEST_VERIFY_EXIT (cd != (iconv_t) -1);
+
+ /*
+ * Convert sequence beginning with an irreversible character into buffer that
+ * is too small.
+ */
+ char input[12] = "\xe1\x80\xa1" "AAAAAAAAA";
+ char *inptr = input;
+ size_t insize = sizeof (input);
+ char output[6];
+ char *outptr = output;
+ size_t outsize = sizeof (output);
+
+ TEST_VERIFY (iconv (cd, &inptr, &insize, &outptr, &outsize) == -1);
+ TEST_VERIFY (errno == E2BIG);
+
+ TEST_VERIFY_EXIT (iconv_close (cd) != -1);
+
+ return 0;
+}
+
+#include <support/test-driver.c>

28
ifunc-fma4.patch
View File

@ -1,28 +0,0 @@
From 23af890b3f04e80da783ba64e6b6d94822e01d54 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Ho=C5=A1ek?= <ondra.hosek@gmail.com>
Date: Wed, 26 Aug 2020 04:26:50 +0200
Subject: [PATCH] x86-64: Fix FMA4 detection in ifunc [BZ #26534]
A typo in commit 107e6a3c2212ba7a3a4ec7cae8d82d73f7c95d0b causes the
FMA4 code path to be taken on systems that support FMA, even if they do
not support FMA4. Fix this to detect FMA4.
---
sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h b/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h
index 7659758972..e5fd5ac9cb 100644
--- a/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h
+++ b/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h
@@ -32,7 +32,7 @@ IFUNC_SELECTOR (void)
&& CPU_FEATURE_USABLE_P (cpu_features, AVX2))
return OPTIMIZE (fma);
- if (CPU_FEATURE_USABLE_P (cpu_features, FMA))
+ if (CPU_FEATURE_USABLE_P (cpu_features, FMA4))
return OPTIMIZE (fma4);
return OPTIMIZE (sse2);
--
2.28.0

237
intl-codeset-suffixes.patch
View File

@ -1,237 +0,0 @@
From fe62c4d173f3cc1ac64f01e75a8f421b2f092cdb Mon Sep 17 00:00:00 2001
From: Arjun Shankar <arjun@redhat.com>
Date: Fri, 25 Sep 2020 14:47:06 +0200
Subject: [PATCH] intl: Handle translation output codesets with suffixes [BZ
#26383]
Commit 91927b7c7643 (Rewrite iconv option parsing [BZ #19519]) did not
handle cases where the output codeset for translations (via the `gettext'
family of functions) might have a caller specified encoding suffix such as
TRANSLIT or IGNORE. This led to a regression where translations did not
work when the codeset had a suffix.
This commit fixes the above issue by parsing any suffixes passed to
__dcigettext and adds two new test-cases to intl/tst-codeset.c to
verify correct behaviour. The iconv-internal function __gconv_create_spec
and the static iconv-internal function gconv_destroy_spec are now visible
internally within glibc and used in intl/dcigettext.c.
(cherry picked from commit 7d4ec75e111291851620c6aa2c4460647b7fd50d)
---
Index: glibc-2.32/iconv/Versions
===================================================================
--- glibc-2.32.orig/iconv/Versions
+++ glibc-2.32/iconv/Versions
@@ -6,7 +6,9 @@ libc {
GLIBC_PRIVATE {
# functions shared with iconv program
__gconv_get_alias_db; __gconv_get_cache; __gconv_get_modules_db;
- __gconv_open; __gconv_create_spec;
+
+ # functions used elsewhere in glibc
+ __gconv_open; __gconv_create_spec; __gconv_destroy_spec;
# function used by the gconv modules
__gconv_transliterate;
Index: glibc-2.32/iconv/gconv_charset.c
===================================================================
--- glibc-2.32.orig/iconv/gconv_charset.c
+++ glibc-2.32/iconv/gconv_charset.c
@@ -216,3 +216,13 @@ out:
return ret;
}
libc_hidden_def (__gconv_create_spec)
+
+
+void
+__gconv_destroy_spec (struct gconv_spec *conv_spec)
+{
+ free (conv_spec->fromcode);
+ free (conv_spec->tocode);
+ return;
+}
+libc_hidden_def (__gconv_destroy_spec)
Index: glibc-2.32/iconv/gconv_charset.h
===================================================================
--- glibc-2.32.orig/iconv/gconv_charset.h
+++ glibc-2.32/iconv/gconv_charset.h
@@ -48,33 +48,6 @@
#define GCONV_IGNORE_ERRORS_SUFFIX "IGNORE"
-/* This function accepts the charset names of the source and destination of the
- conversion and populates *conv_spec with an equivalent conversion
- specification that may later be used by __gconv_open. The charset names
- might contain options in the form of suffixes that alter the conversion,
- e.g. "ISO-10646/UTF-8/TRANSLIT". It processes the charset names, ignoring
- and truncating any suffix options in fromcode, and processing and truncating
- any suffix options in tocode. Supported suffix options ("TRANSLIT" or
- "IGNORE") when found in tocode lead to the corresponding flag in *conv_spec
- to be set to true. Unrecognized suffix options are silently discarded. If
- the function succeeds, it returns conv_spec back to the caller. It returns
- NULL upon failure. */
-struct gconv_spec *
-__gconv_create_spec (struct gconv_spec *conv_spec, const char *fromcode,
- const char *tocode);
-libc_hidden_proto (__gconv_create_spec)
-
-
-/* This function frees all heap memory allocated by __gconv_create_spec. */
-static void __attribute__ ((unused))
-gconv_destroy_spec (struct gconv_spec *conv_spec)
-{
- free (conv_spec->fromcode);
- free (conv_spec->tocode);
- return;
-}
-
-
/* This function copies in-order, characters from the source 's' that are
either alpha-numeric or one in one of these: "_-.,:/" - into the destination
'wp' while dropping all other characters. In the process, it converts all
Index: glibc-2.32/iconv/gconv_int.h
===================================================================
--- glibc-2.32.orig/iconv/gconv_int.h
+++ glibc-2.32/iconv/gconv_int.h
@@ -152,6 +152,27 @@ extern int __gconv_open (struct gconv_sp
__gconv_t *handle, int flags);
libc_hidden_proto (__gconv_open)
+/* This function accepts the charset names of the source and destination of the
+ conversion and populates *conv_spec with an equivalent conversion
+ specification that may later be used by __gconv_open. The charset names
+ might contain options in the form of suffixes that alter the conversion,
+ e.g. "ISO-10646/UTF-8/TRANSLIT". It processes the charset names, ignoring
+ and truncating any suffix options in fromcode, and processing and truncating
+ any suffix options in tocode. Supported suffix options ("TRANSLIT" or
+ "IGNORE") when found in tocode lead to the corresponding flag in *conv_spec
+ to be set to true. Unrecognized suffix options are silently discarded. If
+ the function succeeds, it returns conv_spec back to the caller. It returns
+ NULL upon failure. */
+extern struct gconv_spec *
+__gconv_create_spec (struct gconv_spec *conv_spec, const char *fromcode,
+ const char *tocode);
+libc_hidden_proto (__gconv_create_spec)
+
+/* This function frees all heap memory allocated by __gconv_create_spec. */
+extern void
+__gconv_destroy_spec (struct gconv_spec *conv_spec);
+libc_hidden_proto (__gconv_destroy_spec)
+
/* Free resources associated with transformation descriptor CD. */
extern int __gconv_close (__gconv_t cd)
attribute_hidden;
Index: glibc-2.32/iconv/iconv_open.c
===================================================================
--- glibc-2.32.orig/iconv/iconv_open.c
+++ glibc-2.32/iconv/iconv_open.c
@@ -39,7 +39,7 @@ iconv_open (const char *tocode, const ch
int res = __gconv_open (&conv_spec, &cd, 0);
- gconv_destroy_spec (&conv_spec);
+ __gconv_destroy_spec (&conv_spec);
if (__builtin_expect (res, __GCONV_OK) != __GCONV_OK)
{
Index: glibc-2.32/iconv/iconv_prog.c
===================================================================
--- glibc-2.32.orig/iconv/iconv_prog.c
+++ glibc-2.32/iconv/iconv_prog.c
@@ -184,7 +184,7 @@ main (int argc, char *argv[])
/* Let's see whether we have these coded character sets. */
res = __gconv_open (&conv_spec, &cd, 0);
- gconv_destroy_spec (&conv_spec);
+ __gconv_destroy_spec (&conv_spec);
if (res != __GCONV_OK)
{
Index: glibc-2.32/intl/dcigettext.c
===================================================================
--- glibc-2.32.orig/intl/dcigettext.c
+++ glibc-2.32/intl/dcigettext.c
@@ -1121,15 +1121,18 @@ _nl_find_msg (struct loaded_l10nfile *do
# ifdef _LIBC
- struct gconv_spec conv_spec
- = { .fromcode = norm_add_slashes (charset, ""),
- .tocode = norm_add_slashes (outcharset, ""),
- /* We always want to use transliteration. */
- .translit = true,
- .ignore = false
- };
+ struct gconv_spec conv_spec;
+
+ __gconv_create_spec (&conv_spec, charset, outcharset);
+
+ /* We always want to use transliteration. */
+ conv_spec.translit = true;
+
int r = __gconv_open (&conv_spec, &convd->conv,
GCONV_AVOID_NOCONV);
+
+ __gconv_destroy_spec (&conv_spec);
+
if (__builtin_expect (r != __GCONV_OK, 0))
{
/* If the output encoding is the same there is
Index: glibc-2.32/intl/tst-codeset.c
===================================================================
--- glibc-2.32.orig/intl/tst-codeset.c
+++ glibc-2.32/intl/tst-codeset.c
@@ -22,13 +22,11 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <support/check.h>
static int
do_test (void)
{
- char *s;
- int result = 0;
-
unsetenv ("LANGUAGE");
unsetenv ("OUTPUT_CHARSET");
setlocale (LC_ALL, "de_DE.ISO-8859-1");
@@ -36,25 +34,21 @@ do_test (void)
bindtextdomain ("codeset", OBJPFX "domaindir");
/* Here we expect output in ISO-8859-1. */
- s = gettext ("cheese");
- if (strcmp (s, "K\344se"))
- {
- printf ("call 1 returned: %s\n", s);
- result = 1;
- }
+ TEST_COMPARE_STRING (gettext ("cheese"), "K\344se");
+ /* Here we expect output in UTF-8. */
bind_textdomain_codeset ("codeset", "UTF-8");
+ TEST_COMPARE_STRING (gettext ("cheese"), "K\303\244se");
- /* Here we expect output in UTF-8. */
- s = gettext ("cheese");
- if (strcmp (s, "K\303\244se"))
- {
- printf ("call 2 returned: %s\n", s);
- result = 1;
- }
+ /* `a with umlaut' is transliterated to `ae'. */
+ bind_textdomain_codeset ("codeset", "ASCII//TRANSLIT");
+ TEST_COMPARE_STRING (gettext ("cheese"), "Kaese");
+
+ /* Transliteration also works by default even if not set. */
+ bind_textdomain_codeset ("codeset", "ASCII");
+ TEST_COMPARE_STRING (gettext ("cheese"), "Kaese");
- return result;
+ return 0;
}
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"
+#include <support/test-driver.c>

2
ldconfig-concurrency.patch
View File

@ -25,7 +25,7 @@ Index: glibc-2.29/elf/cache.c
@@ -481,6 +481,7 @@ save_cache (const char *cache_name)
free (file_entries_new);
free (file_entries);
free (strings);
free (strings_finalized.strings);
+ free (temp_name);
while (entries)

42
nscd-gc-cycle.patch
View File

@ -1,42 +0,0 @@
From 4350db8d5e45dc4ec63e5fabc6bdc3a9425769dc Mon Sep 17 00:00:00 2001
From: Andreas Schwab <schwab@suse.de>
Date: Wed, 17 Jun 2020 16:05:13 +0200
Subject: [PATCH] nscd: bump GC cycle during cache pruning (bug 26130)
While nscd prunes a cache it becomes inconsistent temporarily, which is
visible to clients if that cache is shared. Bump the GC cycle counter so
that the clients notice the modification window.
---
nscd/cache.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/nscd/cache.c b/nscd/cache.c
index 94163d9ce3..2ceac94c23 100644
--- a/nscd/cache.c
+++ b/nscd/cache.c
@@ -453,6 +453,11 @@ prune_cache (struct database_dyn *table, time_t now, int fd)
pthread_rwlock_wrlock (&table->lock);
}
+ /* Now we start modifying the data. Make sure all readers of the
+ data are aware of this and temporarily don't use the data. */
+ ++table->head->gc_cycle;
+ assert ((table->head->gc_cycle & 1) == 1);
+
while (first <= last)
{
if (mark[first])
@@ -493,6 +498,10 @@ prune_cache (struct database_dyn *table, time_t now, int fd)
++first;
}
+ /* Now we are done modifying the data. */
+ ++table->head->gc_cycle;
+ assert ((table->head->gc_cycle & 1) == 0);
+
/* It's all done. */
pthread_rwlock_unlock (&table->lock);
--
2.26.2

124
printf-long-double-non-normal.patch
View File

@ -1,124 +0,0 @@
From 681900d29683722b1cb0a8e565a0585846ec5a61 Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Tue, 22 Sep 2020 19:07:48 +0200
Subject: [PATCH] x86: Harden printf against non-normal long double values (bug
26649)
The behavior of isnan/__builtin_isnan on bit patterns that do not
correspond to something that the CPU would produce from valid inputs
is currently under-defined in the toolchain. (The GCC built-in and
glibc disagree.)
The isnan check in PRINTF_FP_FETCH in stdio-common/printf_fp.c
assumes the GCC behavior that returns true for non-normal numbers
which are not specified as NaN. (The glibc implementation returns
false for such numbers.)
At present, passing non-normal numbers to __mpn_extract_long_double
causes this function to produce irregularly shaped multi-precision
integers, triggering undefined behavior in __printf_fp_l.
With GCC 10 and glibc 2.32, this behavior is not visible because
__builtin_isnan is used, which avoids calling
__mpn_extract_long_double in this case. This commit updates the
implementation of __mpn_extract_long_double so that regularly shaped
multi-precision integers are produced in this case, avoiding
undefined behavior in __printf_fp_l.
---
sysdeps/x86/Makefile | 4 ++
sysdeps/x86/ldbl2mpn.c | 8 ++++
sysdeps/x86/tst-ldbl-nonnormal-printf.c | 52 +++++++++++++++++++++++++
3 files changed, 64 insertions(+)
create mode 100644 sysdeps/x86/tst-ldbl-nonnormal-printf.c
Index: glibc-2.32/sysdeps/i386/ldbl2mpn.c
===================================================================
--- glibc-2.32.orig/sysdeps/i386/ldbl2mpn.c
+++ glibc-2.32/sysdeps/i386/ldbl2mpn.c
@@ -115,6 +115,14 @@ __mpn_extract_long_double (mp_ptr res_pt
&& res_ptr[N - 1] == 0)
/* Pseudo zero. */
*expt = 0;
+ else
+ /* Unlike other floating point formats, the most significant bit
+ is explicit and expected to be set for normal numbers. Set it
+ in case it is cleared in the input. Otherwise, callers will
+ not be able to produce the expected multi-precision integer
+ layout by shifting. */
+ res_ptr[N - 1] |= (mp_limb_t) 1 << (LDBL_MANT_DIG - 1
+ - ((N - 1) * BITS_PER_MP_LIMB));
return N;
}
Index: glibc-2.32/sysdeps/x86/Makefile
===================================================================
--- glibc-2.32.orig/sysdeps/x86/Makefile
+++ glibc-2.32/sysdeps/x86/Makefile
@@ -9,6 +9,10 @@ tests += tst-get-cpu-features tst-get-cp
tests-static += tst-get-cpu-features-static
endif
+ifeq ($(subdir),math)
+tests += tst-ldbl-nonnormal-printf
+endif # $(subdir) == math
+
ifeq ($(subdir),setjmp)
gen-as-const-headers += jmp_buf-ssp.sym
sysdep_routines += __longjmp_cancel
Index: glibc-2.32/sysdeps/x86/tst-ldbl-nonnormal-printf.c
===================================================================
--- /dev/null
+++ glibc-2.32/sysdeps/x86/tst-ldbl-nonnormal-printf.c
@@ -0,0 +1,52 @@
+/* Test printf with x86-specific non-normal long double value.
+ Copyright (C) 2020 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 <stdio.h>
+#include <string.h>
+#include <support/check.h>
+
+/* Fill the stack with non-zero values. This makes a crash in
+ snprintf more likely. */
+static void __attribute__ ((noinline, noclone))
+fill_stack (void)
+{
+ char buffer[65536];
+ memset (buffer, 0xc0, sizeof (buffer));
+ asm ("" ::: "memory");
+}
+
+static int
+do_test (void)
+{
+ fill_stack ();
+
+ long double value;
+ memcpy (&value, "\x00\x04\x00\x00\x00\x00\x00\x00\x00\x04", 10);
+
+ char buf[30];
+ int ret = snprintf (buf, sizeof (buf), "%Lg", value);
+ TEST_COMPARE (ret, strlen (buf));
+ if (strcmp (buf, "nan") != 0)
+ /* If snprintf does not recognize the non-normal number as a NaN,
+ it has added the missing explicit MSB. */
+ TEST_COMPARE_STRING (buf, "3.02201e-4624");
+ return 0;
+}
+
+#include <support/test-driver.c>

1676
strerrorname-np.patch
View File

File diff suppressed because it is too large Load Diff

117
syslog-locking.patch
View File

@ -1,117 +0,0 @@
From 518db378cedc755f0ae311a1bc0487a4264f4bf0 Mon Sep 17 00:00:00 2001
From: Andreas Schwab <schwab@suse.de>
Date: Tue, 23 Jun 2020 12:55:49 +0200
Subject: [PATCH] Correct locking and cancellation cleanup in syslog functions
(bug 26100)
Properly serialize the access to the global state shared between the
syslog functions, to avoid races in multithreaded processes. Protect a
local allocation in the __vsyslog_internal function from leaking during
cancellation.
---
misc/syslog.c | 44 ++++++++++++++++++++++++++++----------------
1 file changed, 28 insertions(+), 16 deletions(-)
Index: glibc-2.32/misc/syslog.c
===================================================================
--- glibc-2.32.orig/misc/syslog.c
+++ glibc-2.32/misc/syslog.c
@@ -91,14 +91,20 @@ struct cleanup_arg
static void
cancel_handler (void *ptr)
{
-#ifndef NO_SIGPIPE
/* Restore the old signal handler. */
struct cleanup_arg *clarg = (struct cleanup_arg *) ptr;
- if (clarg != NULL && clarg->oldaction != NULL)
- __sigaction (SIGPIPE, clarg->oldaction, NULL);
+ if (clarg != NULL)
+ {
+#ifndef NO_SIGPIPE
+ if (clarg->oldaction != NULL)
+ __sigaction (SIGPIPE, clarg->oldaction, NULL);
#endif
+ /* Free the memstream buffer, */
+ free (clarg->buf);
+ }
+
/* Free the lock. */
__libc_lock_unlock (syslog_lock);
}
@@ -169,9 +175,17 @@ __vsyslog_internal(int pri, const char *
pri &= LOG_PRIMASK|LOG_FACMASK;
}
+ /* Prepare for multiple users. We have to take care: most
+ syscalls we are using are cancellation points. */
+ struct cleanup_arg clarg;
+ clarg.buf = NULL;
+ clarg.oldaction = NULL;
+ __libc_cleanup_push (cancel_handler, &clarg);
+ __libc_lock_lock (syslog_lock);
+
/* Check priority against setlogmask values. */
if ((LOG_MASK (LOG_PRI (pri)) & LogMask) == 0)
- return;
+ goto out;
/* Set default facility if none specified. */
if ((pri & LOG_FACMASK) == 0)
@@ -235,6 +249,9 @@ __vsyslog_internal(int pri, const char *
/* Close the memory stream; this will finalize the data
into a malloc'd buffer in BUF. */
fclose (f);
+
+ /* Tell the cancellation handler to free this buffer. */
+ clarg.buf = buf;
}
/* Output to stderr if requested. */
@@ -252,22 +269,10 @@ __vsyslog_internal(int pri, const char *
v->iov_len = 1;
}
- __libc_cleanup_push (free, buf == failbuf ? NULL : buf);
-
/* writev is a cancellation point. */
(void)__writev(STDERR_FILENO, iov, v - iov + 1);
-
- __libc_cleanup_pop (0);
}
- /* Prepare for multiple users. We have to take care: open and
- write are cancellation points. */
- struct cleanup_arg clarg;
- clarg.buf = buf;
- clarg.oldaction = NULL;
- __libc_cleanup_push (cancel_handler, &clarg);
- __libc_lock_lock (syslog_lock);
-
#ifndef NO_SIGPIPE
/* Prepare for a broken connection. */
memset (&action, 0, sizeof (action));
@@ -320,6 +325,7 @@ __vsyslog_internal(int pri, const char *
__sigaction (SIGPIPE, &oldaction, (struct sigaction *) NULL);
#endif
+ out:
/* End of critical section. */
__libc_cleanup_pop (0);
__libc_lock_unlock (syslog_lock);
@@ -430,8 +436,14 @@ setlogmask (int pmask)
{
int omask;
+ /* Protect against multiple users. */
+ __libc_lock_lock (syslog_lock);
+
omask = LogMask;
if (pmask != 0)
LogMask = pmask;
+
+ __libc_lock_unlock (syslog_lock);
+
return (omask);
}

796
sysvipc.patch
View File

@ -1,796 +0,0 @@
From 9b139b6b81a5def91bec01f30301acc95fbf0289 Mon Sep 17 00:00:00 2001
From: "Dmitry V. Levin" <ldv@altlinux.org>
Date: Tue, 29 Sep 2020 14:10:20 -0300
Subject: [PATCH] sysvipc: Fix SEM_STAT_ANY kernel argument pass [BZ #26637]
Handle SEM_STAT_ANY the same way as SEM_STAT so that the buffer argument
of SEM_STAT_ANY is properly passed to the kernel and back.
The regression testcase checks for Linux specifix SysV ipc message
control extension. For IPC_INFO/SEM_INFO it tries to match the values
against the tunable /proc values and for SEM_STAT/SEM_STAT_ANY it
check if the create message queue is within the global list returned
by the kernel.
Checked on x86_64-linux-gnu and on i686-linux-gnu (Linux v5.4 and on
Linux v4.15).
Co-authored-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit 574500a108be1d2a6a0dc97a075c9e0a98371aba)
From c4aeedea598a1bd80f52ca9ebd07fe447680d491 Mon Sep 17 00:00:00 2001
From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue, 29 Sep 2020 14:39:56 -0300
Subject: [PATCH] sysvipc: Fix IPC_INFO and MSG_INFO handling [BZ #26639]
Both commands are Linux extensions where the third argument is a
'struct msginfo' instead of 'struct msqid_ds' and its information
does not contain any time related fields (so there is no need to
extra conversion for __IPC_TIME64.
The regression testcase checks for Linux specifix SysV ipc message
control extension. For IPC_INFO/MSG_INFO it tries to match the values
against the tunable /proc values and for MSG_STAT/MSG_STAT_ANY it
check if the create message queue is within the global list returned
by the kernel.
Checked on x86_64-linux-gnu and on i686-linux-gnu (Linux v5.4 and on
Linux v4.15).
(cherry picked from commit 20a00dbefca5695cccaa44846a482db8ccdd85ab)
From 0b9460d22e285432d232f42c7442a3226e1bf830 Mon Sep 17 00:00:00 2001
From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue, 29 Sep 2020 14:51:36 -0300
Subject: [PATCH] sysvipc: Fix IPC_INFO and SHM_INFO handling [BZ #26636]
Both commands are Linux extensions where the third argument is either
a 'struct shminfo' (IPC_INFO) or a 'struct shm_info' (SHM_INFO) instead
of 'struct shmid_ds'. And their information does not contain any time
related fields, so there is no need to extra conversion for __IPC_TIME64.
The regression testcase checks for Linux specifix SysV ipc message
control extension. For SHM_INFO it tries to match the values against the
tunable /proc values and for MSG_STAT/MSG_STAT_ANY it check if the create\
shared memory is within the global list returned by the kernel.
Checked on x86_64-linux-gnu and on i686-linux-gnu (Linux v5.4 and on
Linux v4.15).
(cherry picked from commit a49d7fd4f764e97ccaf922e433046590ae52fce9)
Index: glibc-2.32/sysdeps/unix/sysv/linux/Makefile
===================================================================
--- glibc-2.32.orig/sysdeps/unix/sysv/linux/Makefile
+++ glibc-2.32/sysdeps/unix/sysv/linux/Makefile
@@ -100,7 +100,7 @@ tests += tst-clone tst-clone2 tst-clone3
tst-quota tst-sync_file_range tst-sysconf-iov_max tst-ttyname \
test-errno-linux tst-memfd_create tst-mlock2 tst-pkey \
tst-rlimit-infinity tst-ofdlocks tst-gettid tst-gettid-kill \
- tst-tgkill
+ tst-tgkill tst-sysvsem-linux tst-sysvmsg-linux tst-sysvshm-linux
tests-internal += tst-ofdlocks-compat tst-sigcontext-get_pc
CFLAGS-tst-sigcontext-get_pc.c = -fasynchronous-unwind-tables
Index: glibc-2.32/sysdeps/unix/sysv/linux/msgctl.c
===================================================================
--- glibc-2.32.orig/sysdeps/unix/sysv/linux/msgctl.c
+++ glibc-2.32/sysdeps/unix/sysv/linux/msgctl.c
@@ -90,8 +90,15 @@ __msgctl64 (int msqid, int cmd, struct _
struct kernel_msqid64_ds ksemid, *arg = NULL;
if (buf != NULL)
{
- msqid64_to_kmsqid64 (buf, &ksemid);
- arg = &ksemid;
+ /* This is a Linux extension where kernel returns a 'struct msginfo'
+ instead. */
+ if (cmd == IPC_INFO || cmd == MSG_INFO)
+ arg = (struct kernel_msqid64_ds *) buf;
+ else
+ {
+ msqid64_to_kmsqid64 (buf, &ksemid);
+ arg = &ksemid;
+ }
}
# ifdef __ASSUME_SYSVIPC_BROKEN_MODE_T
if (cmd == IPC_SET)
@@ -169,8 +176,15 @@ __msgctl (int msqid, int cmd, struct msq
struct __msqid64_ds msqid64, *buf64 = NULL;
if (buf != NULL)
{
- msqid_to_msqid64 (&msqid64, buf);
- buf64 = &msqid64;
+ /* This is a Linux extension where kernel returns a 'struct msginfo'
+ instead. */
+ if (cmd == IPC_INFO || cmd == MSG_INFO)
+ buf64 = (struct __msqid64_ds *) buf;
+ else
+ {
+ msqid_to_msqid64 (&msqid64, buf);
+ buf64 = &msqid64;
+ }
}
int ret = __msgctl64 (msqid, cmd, buf64);
Index: glibc-2.32/sysdeps/unix/sysv/linux/semctl.c
===================================================================
--- glibc-2.32.orig/sysdeps/unix/sysv/linux/semctl.c
+++ glibc-2.32/sysdeps/unix/sysv/linux/semctl.c
@@ -102,6 +102,7 @@ semun64_to_ksemun64 (int cmd, union semu
r.array = semun64.array;
break;
case SEM_STAT:
+ case SEM_STAT_ANY:
case IPC_STAT:
case IPC_SET:
r.buf = buf;
@@ -150,6 +151,7 @@ __semctl64 (int semid, int semnum, int c
case IPC_STAT: /* arg.buf */
case IPC_SET:
case SEM_STAT:
+ case SEM_STAT_ANY:
case IPC_INFO: /* arg.__buf */
case SEM_INFO:
va_start (ap, cmd);
@@ -238,6 +240,7 @@ semun_to_semun64 (int cmd, union semun s
r.array = semun.array;
break;
case SEM_STAT:
+ case SEM_STAT_ANY:
case IPC_STAT:
case IPC_SET:
r.buf = semid64;
@@ -267,6 +270,7 @@ __semctl (int semid, int semnum, int cmd
case IPC_STAT: /* arg.buf */
case IPC_SET:
case SEM_STAT:
+ case SEM_STAT_ANY:
case IPC_INFO: /* arg.__buf */
case SEM_INFO:
va_start (ap, cmd);
@@ -321,6 +325,7 @@ __semctl_mode16 (int semid, int semnum,
case IPC_STAT: /* arg.buf */
case IPC_SET:
case SEM_STAT:
+ case SEM_STAT_ANY:
case IPC_INFO: /* arg.__buf */
case SEM_INFO:
va_start (ap, cmd);
@@ -354,6 +359,7 @@ __old_semctl (int semid, int semnum, int
case IPC_STAT: /* arg.buf */
case IPC_SET:
case SEM_STAT:
+ case SEM_STAT_ANY:
case IPC_INFO: /* arg.__buf */
case SEM_INFO:
va_start (ap, cmd);
Index: glibc-2.32/sysdeps/unix/sysv/linux/shmctl.c
===================================================================
--- glibc-2.32.orig/sysdeps/unix/sysv/linux/shmctl.c
+++ glibc-2.32/sysdeps/unix/sysv/linux/shmctl.c
@@ -90,8 +90,15 @@ __shmctl64 (int shmid, int cmd, struct _
struct kernel_shmid64_ds kshmid, *arg = NULL;
if (buf != NULL)
{
- shmid64_to_kshmid64 (buf, &kshmid);
- arg = &kshmid;
+ /* This is a Linux extension where kernel expects either a
+ 'struct shminfo' (IPC_INFO) or 'struct shm_info' (SHM_INFO). */
+ if (cmd == IPC_INFO || cmd == SHM_INFO)
+ arg = (struct kernel_shmid64_ds *) buf;
+ else
+ {
+ shmid64_to_kshmid64 (buf, &kshmid);
+ arg = &kshmid;
+ }
}
# ifdef __ASSUME_SYSVIPC_BROKEN_MODE_T
if (cmd == IPC_SET)
@@ -107,7 +114,6 @@ __shmctl64 (int shmid, int cmd, struct _
switch (cmd)
{
- case IPC_INFO:
case IPC_STAT:
case SHM_STAT:
case SHM_STAT_ANY:
@@ -168,8 +174,15 @@ __shmctl (int shmid, int cmd, struct shm
struct __shmid64_ds shmid64, *buf64 = NULL;
if (buf != NULL)
{
- shmid_to_shmid64 (&shmid64, buf);
- buf64 = &shmid64;
+ /* This is a Linux extension where kernel expects either a
+ 'struct shminfo' (IPC_INFO) or 'struct shm_info' (SHM_INFO). */
+ if (cmd == IPC_INFO || cmd == SHM_INFO)
+ buf64 = (struct __shmid64_ds *) buf;
+ else
+ {
+ shmid_to_shmid64 (&shmid64, buf);
+ buf64 = &shmid64;
+ }
}
int ret = __shmctl64 (shmid, cmd, buf64);
@@ -178,7 +191,6 @@ __shmctl (int shmid, int cmd, struct shm
switch (cmd)
{
- case IPC_INFO:
case IPC_STAT:
case SHM_STAT:
case SHM_STAT_ANY:
Index: glibc-2.32/sysdeps/unix/sysv/linux/tst-sysvmsg-linux.c
===================================================================
--- /dev/null
+++ glibc-2.32/sysdeps/unix/sysv/linux/tst-sysvmsg-linux.c
@@ -0,0 +1,177 @@
+/* Basic tests for Linux SYSV message queue extensions.
+ Copyright (C) 2020 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 <sys/ipc.h>
+#include <sys/msg.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdio.h>
+
+#include <support/check.h>
+#include <support/temp_file.h>
+
+#define MSGQ_MODE 0644
+
+/* These are for the temporary file we generate. */
+static char *name;
+static int msqid;
+
+static void
+remove_msq (void)
+{
+ /* Enforce message queue removal in case of early test failure.
+ Ignore error since the msg may already have being removed. */
+ msgctl (msqid, IPC_RMID, NULL);
+}
+
+static void
+do_prepare (int argc, char *argv[])
+{
+ TEST_VERIFY_EXIT (create_temp_file ("tst-sysvmsg.", &name) != -1);
+}
+
+#define PREPARE do_prepare
+
+struct test_msginfo
+{
+ int msgmax;
+ int msgmnb;
+ int msgmni;
+};
+
+/* It tries to obtain some system-wide SysV messsage queue information from
+ /proc to check against IPC_INFO/MSG_INFO. The /proc only returns the
+ tunables value of MSGMAX, MSGMNB, and MSGMNI.
+
+ The kernel also returns constant value for MSGSSZ, MSGSEG and also MSGMAP,
+ MSGPOOL, and MSGTQL (for IPC_INFO). The issue to check them is they might
+ change over kernel releases. */
+
+static int
+read_proc_file (const char *file)
+{
+ FILE *f = fopen (file, "r");
+ if (f == NULL)
+ FAIL_UNSUPPORTED ("/proc is not mounted or %s is not available", file);
+
+ int v;
+ int r = fscanf (f, "%d", & v);
+ TEST_VERIFY_EXIT (r == 1);
+
+ fclose (f);
+ return v;
+}
+
+
+/* Check if the message queue with IDX (index into the kernel's internal
+ array) matches the one with KEY. The CMD is either MSG_STAT or
+ MSG_STAT_ANY. */
+
+static bool
+check_msginfo (int idx, key_t key, int cmd)
+{
+ struct msqid_ds msginfo;
+ int mid = msgctl (idx, cmd, &msginfo);
+ /* Ignore unused array slot returned by the kernel or information from
+ unknown message queue. */
+ if ((mid == -1 && errno == EINVAL) || mid != msqid)
+ return false;
+
+ if (mid == -1)
+ FAIL_EXIT1 ("msgctl with %s failed: %m",
+ cmd == MSG_STAT ? "MSG_STAT" : "MSG_STAT_ANY");
+
+ TEST_COMPARE (msginfo.msg_perm.__key, key);
+ TEST_COMPARE (msginfo.msg_perm.mode, MSGQ_MODE);
+ TEST_COMPARE (msginfo.msg_qnum, 0);
+
+ return true;
+}
+
+static int
+do_test (void)
+{
+ atexit (remove_msq);
+
+ key_t key = ftok (name, 'G');
+ if (key == -1)
+ FAIL_EXIT1 ("ftok failed: %m");
+
+ msqid = msgget (key, MSGQ_MODE | IPC_CREAT);
+ if (msqid == -1)
+ FAIL_EXIT1 ("msgget failed: %m");
+
+ struct test_msginfo tipcinfo;
+ tipcinfo.msgmax = read_proc_file ("/proc/sys/kernel/msgmax");
+ tipcinfo.msgmnb = read_proc_file ("/proc/sys/kernel/msgmnb");
+ tipcinfo.msgmni = read_proc_file ("/proc/sys/kernel/msgmni");
+
+ int msqidx;
+
+ {
+ struct msginfo ipcinfo;
+ msqidx = msgctl (msqid, IPC_INFO, (struct msqid_ds *) &ipcinfo);
+ if (msqidx == -1)
+ FAIL_EXIT1 ("msgctl with IPC_INFO failed: %m");
+
+ TEST_COMPARE (ipcinfo.msgmax, tipcinfo.msgmax);
+ TEST_COMPARE (ipcinfo.msgmnb, tipcinfo.msgmnb);
+ TEST_COMPARE (ipcinfo.msgmni, tipcinfo.msgmni);
+ }
+
+ /* Same as before but with MSG_INFO. */
+ {
+ struct msginfo ipcinfo;
+ msqidx = msgctl (msqid, MSG_INFO, (struct msqid_ds *) &ipcinfo);
+ if (msqidx == -1)
+ FAIL_EXIT1 ("msgctl with IPC_INFO failed: %m");
+
+ TEST_COMPARE (ipcinfo.msgmax, tipcinfo.msgmax);
+ TEST_COMPARE (ipcinfo.msgmnb, tipcinfo.msgmnb);
+ TEST_COMPARE (ipcinfo.msgmni, tipcinfo.msgmni);
+ }
+
+ /* We check if the created message queue shows in global list. */
+ bool found = false;
+ for (int i = 0; i <= msqidx; i++)
+ {
+ /* We can't tell apart if MSG_STAT_ANY is not supported (kernel older
+ than 4.17) or if the index used is invalid. So it just check if the
+ value returned from a valid call matches the created message
+ queue. */
+ check_msginfo (i, key, MSG_STAT_ANY);
+
+ if (check_msginfo (i, key, MSG_STAT))
+ {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ FAIL_EXIT1 ("msgctl with MSG_STAT/MSG_STAT_ANY could not find the "
+ "created message queue");
+
+ if (msgctl (msqid, IPC_RMID, NULL) == -1)
+ FAIL_EXIT1 ("msgctl failed");
+
+ return 0;
+}
+
+#include <support/test-driver.c>
Index: glibc-2.32/sysdeps/unix/sysv/linux/tst-sysvsem-linux.c
===================================================================
--- /dev/null
+++ glibc-2.32/sysdeps/unix/sysv/linux/tst-sysvsem-linux.c
@@ -0,0 +1,184 @@
+/* Basic tests for Linux SYSV semaphore extensions.
+ Copyright (C) 2020 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 <sys/ipc.h>
+#include <sys/sem.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdio.h>
+
+#include <support/check.h>
+#include <support/temp_file.h>
+
+/* These are for the temporary file we generate. */
+static char *name;
+static int semid;
+
+static void
+remove_sem (void)
+{
+ /* Enforce message queue removal in case of early test failure.
+ Ignore error since the sem may already have being removed. */
+ semctl (semid, 0, IPC_RMID, 0);
+}
+
+static void
+do_prepare (int argc, char *argv[])
+{
+ TEST_VERIFY_EXIT (create_temp_file ("tst-sysvsem.", &name) != -1);
+}
+
+#define PREPARE do_prepare
+
+#define SEM_MODE 0644
+
+union semun
+{
+ int val;
+ struct semid_ds *buf;
+ unsigned short *array;
+ struct seminfo *__buf;
+};
+
+struct test_seminfo
+{
+ int semmsl;
+ int semmns;
+ int semopm;
+ int semmni;
+};
+
+/* It tries to obtain some system-wide SysV semaphore information from /proc
+ to check against IPC_INFO/SEM_INFO. The /proc only returns the tunables
+ value of SEMMSL, SEMMNS, SEMOPM, and SEMMNI.
+
+ The kernel also returns constant value for SEMVMX, SEMMNU, SEMMAP, SEMUME,
+ and also SEMUSZ and SEMAEM (for IPC_INFO). The issue to check them is they
+ might change over kernel releases. */
+
+static void
+read_sem_stat (struct test_seminfo *tseminfo)
+{
+ FILE *f = fopen ("/proc/sys/kernel/sem", "r");
+ if (f == NULL)
+ FAIL_UNSUPPORTED ("/proc is not mounted or /proc/sys/kernel/sem is not "
+ "available");
+
+ int r = fscanf (f, "%d %d %d %d",
+ &tseminfo->semmsl, &tseminfo->semmns, &tseminfo->semopm,
+ &tseminfo->semmni);
+ TEST_VERIFY_EXIT (r == 4);
+
+ fclose (f);
+}
+
+
+/* Check if the semaphore with IDX (index into the kernel's internal array)
+ matches the one with KEY. The CMD is either SEM_STAT or SEM_STAT_ANY. */
+
+static bool
+check_seminfo (int idx, key_t key, int cmd)
+{
+ struct semid_ds seminfo;
+ int sid = semctl (idx, 0, cmd, (union semun) { .buf = &seminfo });
+ /* Ignore unused array slot returned by the kernel or information from
+ unknown semaphores. */
+ if ((sid == -1 && errno == EINVAL) || sid != semid)
+ return false;
+
+ if (sid == -1)
+ FAIL_EXIT1 ("semctl with SEM_STAT failed (errno=%d)", errno);
+
+ TEST_COMPARE (seminfo.sem_perm.__key, key);
+ TEST_COMPARE (seminfo.sem_perm.mode, SEM_MODE);
+ TEST_COMPARE (seminfo.sem_nsems, 1);
+
+ return true;
+}
+
+static int
+do_test (void)
+{
+ atexit (remove_sem);
+
+ key_t key = ftok (name, 'G');
+ if (key == -1)
+ FAIL_EXIT1 ("ftok failed: %m");
+
+ semid = semget (key, 1, IPC_CREAT | IPC_EXCL | SEM_MODE);
+ if (semid == -1)
+ FAIL_EXIT1 ("semget failed: %m");
+
+ struct test_seminfo tipcinfo;
+ read_sem_stat (&tipcinfo);
+
+ int semidx;
+
+ {
+ struct seminfo ipcinfo;
+ semidx = semctl (semid, 0, IPC_INFO, (union semun) { .__buf = &ipcinfo });
+ if (semidx == -1)
+ FAIL_EXIT1 ("semctl with IPC_INFO failed: %m");
+
+ TEST_COMPARE (ipcinfo.semmsl, tipcinfo.semmsl);
+ TEST_COMPARE (ipcinfo.semmns, tipcinfo.semmns);
+ TEST_COMPARE (ipcinfo.semopm, tipcinfo.semopm);
+ TEST_COMPARE (ipcinfo.semmni, tipcinfo.semmni);
+ }
+
+ /* Same as before but with SEM_INFO. */
+ {
+ struct seminfo ipcinfo;
+ semidx = semctl (semid, 0, SEM_INFO, (union semun) { .__buf = &ipcinfo });
+ if (semidx == -1)
+ FAIL_EXIT1 ("semctl with IPC_INFO failed: %m");
+
+ TEST_COMPARE (ipcinfo.semmsl, tipcinfo.semmsl);
+ TEST_COMPARE (ipcinfo.semmns, tipcinfo.semmns);
+ TEST_COMPARE (ipcinfo.semopm, tipcinfo.semopm);
+ TEST_COMPARE (ipcinfo.semmni, tipcinfo.semmni);
+ }
+
+ /* We check if the created semaphore shows in the system-wide status. */
+ bool found = false;
+ for (int i = 0; i <= semidx; i++)
+ {
+ /* We can't tell apart if SEM_STAT_ANY is not supported (kernel older
+ than 4.17) or if the index used is invalid. So it just check if
+ value returned from a valid call matches the created semaphore. */
+ check_seminfo (i, key, SEM_STAT_ANY);
+
+ if (check_seminfo (i, key, SEM_STAT))
+ {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ FAIL_EXIT1 ("semctl with SEM_STAT/SEM_STAT_ANY could not find the "
+ "created semaphore");
+
+ if (semctl (semid, 0, IPC_RMID, 0) == -1)
+ FAIL_EXIT1 ("semctl failed: %m");
+
+ return 0;
+}
+
+#include <support/test-driver.c>
Index: glibc-2.32/sysdeps/unix/sysv/linux/tst-sysvshm-linux.c
===================================================================
--- /dev/null
+++ glibc-2.32/sysdeps/unix/sysv/linux/tst-sysvshm-linux.c
@@ -0,0 +1,185 @@
+/* Basic tests for Linux SYSV shared memory extensions.
+ Copyright (C) 2020 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 <sys/ipc.h>
+#include <sys/shm.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <inttypes.h>
+#include <limits.h>
+
+#include <support/check.h>
+#include <support/temp_file.h>
+
+#define SHM_MODE 0644
+
+/* These are for the temporary file we generate. */
+static char *name;
+static int shmid;
+static long int pgsz;
+
+static void
+remove_shm (void)
+{
+ /* Enforce message queue removal in case of early test failure.
+ Ignore error since the shm may already have being removed. */
+ shmctl (shmid, IPC_RMID, NULL);
+}
+
+static void
+do_prepare (int argc, char *argv[])
+{
+ TEST_VERIFY_EXIT (create_temp_file ("tst-sysvshm.", &name) != -1);
+}
+
+#define PREPARE do_prepare
+
+struct test_shminfo
+{
+ unsigned long int shmall;
+ unsigned long int shmmax;
+ unsigned long int shmmni;
+};
+
+/* It tries to obtain some system-wide SysV shared memory information from
+ /proc to check against IPC_INFO/SHM_INFO. The /proc only returns the
+ tunables value of SHMALL, SHMMAX, and SHMMNI. */
+
+static uint64_t
+read_proc_file (const char *file)
+{
+ FILE *f = fopen (file, "r");
+ if (f == NULL)
+ FAIL_UNSUPPORTED ("/proc is not mounted or %s is not available", file);
+
+ /* Handle 32-bit binaries running on 64-bit kernels. */
+ uint64_t v;
+ int r = fscanf (f, "%" SCNu64, &v);
+ TEST_VERIFY_EXIT (r == 1);
+
+ fclose (f);
+ return v;
+}
+
+
+/* Check if the message queue with IDX (index into the kernel's internal
+ array) matches the one with KEY. The CMD is either SHM_STAT or
+ SHM_STAT_ANY. */
+
+static bool
+check_shminfo (int idx, key_t key, int cmd)
+{
+ struct shmid_ds shminfo;
+ int sid = shmctl (idx, cmd, &shminfo);
+ /* Ignore unused array slot returned by the kernel or information from
+ unknown message queue. */
+ if ((sid == -1 && errno == EINVAL) || sid != shmid)
+ return false;
+
+ if (sid == -1)
+ FAIL_EXIT1 ("shmctl with %s failed: %m",
+ cmd == SHM_STAT ? "SHM_STAT" : "SHM_STAT_ANY");
+
+ TEST_COMPARE (shminfo.shm_perm.__key, key);
+ TEST_COMPARE (shminfo.shm_perm.mode, SHM_MODE);
+ TEST_COMPARE (shminfo.shm_segsz, pgsz);
+
+ return true;
+}
+
+static int
+do_test (void)
+{
+ atexit (remove_shm);
+
+ pgsz = sysconf (_SC_PAGESIZE);
+ if (pgsz == -1)
+ FAIL_EXIT1 ("sysconf (_SC_PAGESIZE) failed: %m");
+
+ key_t key = ftok (name, 'G');
+ if (key == -1)
+ FAIL_EXIT1 ("ftok failed: %m");
+
+ shmid = shmget (key, pgsz, IPC_CREAT | IPC_EXCL | SHM_MODE);
+ if (shmid == -1)
+ FAIL_EXIT1 ("shmget failed: %m");
+
+ struct test_shminfo tipcinfo;
+ {
+ uint64_t v = read_proc_file ("/proc/sys/kernel/shmmax");
+#if LONG_MAX == INT_MAX
+ /* Kernel explicit clamp the value for shmmax on compat symbol (32-bit
+ binaries running on 64-bit kernels). */
+ if (v > INT_MAX)
+ v = INT_MAX;
+#endif
+ tipcinfo.shmmax = v;
+ }
+ tipcinfo.shmall = read_proc_file ("/proc/sys/kernel/shmall");
+ tipcinfo.shmmni = read_proc_file ("/proc/sys/kernel/shmmni");
+
+ int shmidx;
+
+ /* Note: SHM_INFO does not return a shminfo, but rather a 'struct shm_info'.
+ It is tricky to verify its values since the syscall returns system wide
+ resources consumed by shared memory. The shmctl implementation handles
+ SHM_INFO as IPC_INFO, so the IPC_INFO test should validate SHM_INFO as
+ well. */
+
+ {
+ struct shminfo ipcinfo;
+ shmidx = shmctl (shmid, IPC_INFO, (struct shmid_ds *) &ipcinfo);
+ if (shmidx == -1)
+ FAIL_EXIT1 ("shmctl with IPC_INFO failed: %m");
+
+ TEST_COMPARE (ipcinfo.shmall, tipcinfo.shmall);
+ TEST_COMPARE (ipcinfo.shmmax, tipcinfo.shmmax);
+ TEST_COMPARE (ipcinfo.shmmni, tipcinfo.shmmni);
+ }
+
+ /* We check if the created shared memory shows in the global list. */
+ bool found = false;
+ for (int i = 0; i <= shmidx; i++)
+ {
+ /* We can't tell apart if SHM_STAT_ANY is not supported (kernel older
+ than 4.17) or if the index used is invalid. So it just check if
+ value returned from a valid call matches the created message
+ queue. */
+ check_shminfo (i, key, SHM_STAT_ANY);
+
+ if (check_shminfo (i, key, SHM_STAT))
+ {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ FAIL_EXIT1 ("shmctl with SHM_STAT/SHM_STAT_ANY could not find the "
+ "created shared memory");
+
+ if (shmctl (shmid, IPC_RMID, NULL) == -1)
+ FAIL_EXIT1 ("shmctl failed");
+
+ return 0;
+}
+
+#include <support/test-driver.c>
Index: glibc-2.32/sysvipc/test-sysvsem.c
===================================================================
--- glibc-2.32.orig/sysvipc/test-sysvsem.c
+++ glibc-2.32/sysvipc/test-sysvsem.c
@@ -20,6 +20,7 @@
#include <stdlib.h>
#include <errno.h>
#include <string.h>
+#include <stdbool.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>