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From: Bruno Haible <bruno@HIDDEN>
To: =?ISO-8859-1?Q?P=E1draig?= Brady <P@HIDDEN>,
Paul Eggert <eggert@HIDDEN>
Subject: Re: bug#77621: coreutils-9.6.53-14af8 on OpenBSD 7.6
Date: Tue, 08 Apr 2025 12:22:15 +0200
Message-ID: <3740239.bqPgKRP4r2@nimes>
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--nextPart1812898.A0I09U8b9p
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Paul Eggert wrote:
> I don't see the problem on cfarm220.cfarm.net with the current coreutils
That's because you are not on the /dev/wd0a disk on that machine.
What I see by single-stepping through "ls -Z ." in gdb is:
1. f->scontext gets set to "?".
2. Upon the first entry to function file_has_aclinfo_cache,
all 4 variables
static int unsupported_return;
static char *unsupported_scontext;
static int unsupported_scontext_err;
static dev_t unsupported_device;
are 0 or NULL, respectively. (As expected, since it's the first call
to this function.)
f->stat.st_dev is 0 (since "." is on the /dev/wd0a disk and this device
has major and minor number both 0).
Thus the condition (f->stat_ok && f->stat.st_dev == unsupported_device)
evaluates to true, and four lines later, in
ai->scontext = unsupported_scontext;
an scontext gets set to NULL.
The fix is obviously to ignore these 4 static variables if they have not
been initialized. Done through the attached patch, which fixes the crash.
--nextPart1812898.A0I09U8b9p
Content-Disposition: attachment;
filename="0001-ls-Fix-crash-of-ls-Z-.-on-OpenBSD-s-dev-wd0a-disk.patch"
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name="0001-ls-Fix-crash-of-ls-Z-.-on-OpenBSD-s-dev-wd0a-disk.patch"
From 6cab0a182e3034b4533bcfe73fef74af37cc723d Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@HIDDEN>
Date: Tue, 8 Apr 2025 12:14:29 +0200
Subject: [PATCH] ls: Fix crash of "ls -Z ." on OpenBSD's /dev/wd0a disk
* src/ls.c (file_has_aclinfo_cache): Add new static variable
'unsupported_cached'. Don't assume that device 0 never occurs.
---
src/ls.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/ls.c b/src/ls.c
index 6690f7747..de5a1ae2b 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -3309,12 +3309,13 @@ file_has_aclinfo_cache (char const *file, struct fileinfo *f,
{
/* st_dev and associated info for the most recently processed device
for which file_has_aclinfo failed indicating lack of support. */
+ static bool unsupported_cached /* = false */;
static int unsupported_return;
static char *unsupported_scontext;
static int unsupported_scontext_err;
static dev_t unsupported_device;
- if (f->stat_ok && f->stat.st_dev == unsupported_device)
+ if (f->stat_ok && unsupported_cached && f->stat.st_dev == unsupported_device)
{
ai->buf = ai->u.__gl_acl_ch;
ai->size = 0;
@@ -3330,6 +3331,7 @@ file_has_aclinfo_cache (char const *file, struct fileinfo *f,
if (f->stat_ok && n <= 0 && !acl_errno_valid (err)
&& (!(flags & ACL_GET_SCONTEXT) || !acl_errno_valid (ai->scontext_err)))
{
+ unsupported_cached = true;
unsupported_return = n;
unsupported_scontext = ai->scontext;
unsupported_scontext_err = ai->scontext_err;
--
2.43.0
--nextPart1812898.A0I09U8b9p--
bug-coreutils@HIDDEN:bug#77621; Package coreutils.
Full text available.Received: (at 77621) by debbugs.gnu.org; 8 Apr 2025 07:42:04 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Apr 08 03:42:03 2025 Received: from localhost ([127.0.0.1]:58721 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1u23ar-0001EV-Ms for submit <at> debbugs.gnu.org; Tue, 08 Apr 2025 03:42:03 -0400 Received: from mail.cs.ucla.edu ([131.179.128.66]:44338) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <eggert@HIDDEN>) id 1u23ao-0001Db-IW for 77621 <at> debbugs.gnu.org; Tue, 08 Apr 2025 03:41:59 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id 5272B3C0149F2; Tue, 8 Apr 2025 00:41:52 -0700 (PDT) Received: from mail.cs.ucla.edu ([127.0.0.1]) by localhost (mail.cs.ucla.edu [127.0.0.1]) (amavis, port 10032) with ESMTP id OUdqBRxJ55Ob; Tue, 8 Apr 2025 00:41:52 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id 0FF673C0149F5; Tue, 8 Apr 2025 00:41:52 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.cs.ucla.edu 0FF673C0149F5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cs.ucla.edu; s=9D0B346E-2AEB-11ED-9476-E14B719DCE6C; t=1744098112; bh=gGQcmaWUVQfXFujM0KaPs3fBE65vGhYy31TaGjHasts=; h=Message-ID:Date:MIME-Version:To:From; b=jsQclJGGwNAacZ2ss/R9WmTaNfVeqX2/wrCF9OqxlIfsOYasteEa018pmuMgXi+nt eDOHKr8hQDU0x1yPDRf4GffYH0447JUO2OowYGNtsuYO2F8BZycLShf51XDd0saMaI 5Qao5fAO/Hdvf8Yc/kUzTLisJe+SnvoAE9IzE4ogpPNA63/G9nWgUArtW6LJNDWSM0 RwOEycyWRpJgM9wl+j4FxmYcFuhp8jmschcEOvDnblLhrE7T7895xEzLAJW5ZCM9F8 q0Wev97DoEijxbVbSPk7mB/uMa/yHGkGiLrQE+/qv5gzghJ19OmjnUJhfhK2YekZLQ MZX+gVbW39ipw== X-Virus-Scanned: amavis at mail.cs.ucla.edu Received: from mail.cs.ucla.edu ([127.0.0.1]) by localhost (mail.cs.ucla.edu [127.0.0.1]) (amavis, port 10026) with ESMTP id lxDb6Uaj7vKr; Tue, 8 Apr 2025 00:41:51 -0700 (PDT) Received: from [192.168.254.12] (47-147-225-25.fdr01.snmn.ca.ip.frontiernet.net [47.147.225.25]) by mail.cs.ucla.edu (Postfix) with ESMTPSA id E82C23C0149F2; Tue, 8 Apr 2025 00:41:51 -0700 (PDT) Message-ID: <452f0c70-d26b-4d15-bef2-062abd4371be@HIDDEN> Date: Tue, 8 Apr 2025 00:41:51 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: bug#77621: coreutils-9.6.53-14af8 on OpenBSD 7.6 To: =?UTF-8?Q?P=C3=A1draig_Brady?= <P@HIDDEN> References: <b255fdb1-503e-4112-a0eb-2a63fd1806f8@HIDDEN> <1818491.4herOUoSWf@nimes> <8c8425c3-7c21-4a39-ab79-544ec00c2c10@HIDDEN> Content-Language: en-US From: Paul Eggert <eggert@HIDDEN> Organization: UCLA Computer Science Department In-Reply-To: <8c8425c3-7c21-4a39-ab79-544ec00c2c10@HIDDEN> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 77621 Cc: 77621 <at> debbugs.gnu.org, Bruno Haible <bruno@HIDDEN> X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) On 2025-04-07 16:06, P=C3=A1draig Brady wrote: > I have access to cfarm220.cfarm.net, > so I'll look at this tomorrow. I don't see the problem on cfarm220.cfarm.net with the current coreutils=20 commit (42f6201aa554fde4c78a3c5d0207d85392eb742e), using "./configure &&=20 make -j5 check" . The command "src/ls -Z" does not dump core: it outputs=20 a bunch of file names with "?" before them. "make check" outputs a line: PASS: tests/ls/selinux-segfault.sh That is, it does not output a line "FAIL: tests/ls/selinux-segfault", as=20 Bruno reported. All tests pass, including gnulib tests. You can temporarily see my build on that machine in the directory=20 ~eggert/coreutils-9.6.59-42f62. Maybe the bug has been fixed since coreutils-9.6.53-14af8?
bug-coreutils@HIDDEN:bug#77621; Package coreutils.
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[86.44.211.146]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-39c30096964sm13365579f8f.15.2025.04.07.16.06.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 07 Apr 2025 16:06:35 -0700 (PDT) Message-ID: <8c8425c3-7c21-4a39-ab79-544ec00c2c10@HIDDEN> Date: Tue, 8 Apr 2025 00:06:34 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Subject: Re: bug#77621: coreutils-9.6.53-14af8 on OpenBSD 7.6 To: Bruno Haible <bruno@HIDDEN>, 77621 <at> debbugs.gnu.org References: <b255fdb1-503e-4112-a0eb-2a63fd1806f8@HIDDEN> <1818491.4herOUoSWf@nimes> Content-Language: en-US From: =?UTF-8?Q?P=C3=A1draig_Brady?= <P@HIDDEN> In-Reply-To: <1818491.4herOUoSWf@nimes> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 77621 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) On 07/04/2025 23:41, Bruno Haible via GNU coreutils Bug Reports wrote: > On OpenBSD 7.6 there is a test failure: > > FAIL: tests/ls/selinux-segfault > > Find attached the log file. > > To reproduce the issue, just run > > $ src/ls -Z . > Segmentation fault (core dumped) > > It crashes at strlen(), due to a NULL argument, > invoked from gobble_file (name = ".", type = arg_directory, inode = 0, > command_line_arg = true, dirname = NULL) at ls.c:3642, > invoked from ls.c:1812. > > This reminds me the commit > https://git.savannah.gnu.org/gitweb/?p=coreutils.git;a=commitdiff;h=915004f403cb25fadb207ddfdbe6a2f43bd44fac > that was supposed to fix the bug reported in > https://lists.gnu.org/archive/html/coreutils/2025-01/msg00051.html > > Apparently this bug has reappeared, at least on OpenBSD. I have access to cfarm220.cfarm.net, so I'll look at this tomorrow. thanks for testing! Pádraig
bug-coreutils@HIDDEN:bug#77621; Package coreutils.
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From: Bruno Haible <bruno@HIDDEN>
To: bug-coreutils@HIDDEN, =?ISO-8859-1?Q?P=E1draig?= Brady <P@HIDDEN>
Subject: Re: coreutils-9.6.53-14af8 on OpenBSD 7.6
Date: Tue, 08 Apr 2025 00:41:18 +0200
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On OpenBSD 7.6 there is a test failure:
FAIL: tests/ls/selinux-segfault
Find attached the log file.
To reproduce the issue, just run
$ src/ls -Z .
Segmentation fault (core dumped)
It crashes at strlen(), due to a NULL argument,
invoked from gobble_file (name = ".", type = arg_directory, inode = 0,
command_line_arg = true, dirname = NULL) at ls.c:3642,
invoked from ls.c:1812.
This reminds me the commit
https://git.savannah.gnu.org/gitweb/?p=coreutils.git;a=commitdiff;h=915004f403cb25fadb207ddfdbe6a2f43bd44fac
that was supposed to fix the bug reported in
https://lists.gnu.org/archive/html/coreutils/2025-01/msg00051.html
Apparently this bug has reappeared, at least on OpenBSD.
Bruno
--nextPart2597012.Y4W8hZkJsM
Content-Disposition: attachment; filename="openbsd76-test-suite.log"
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========================================================
GNU coreutils 9.6.53-14af8: ./tests/test-suite.log
========================================================
# TOTAL: 658
# PASS: 480
# SKIP: 177
# XFAIL: 0
# FAIL: 1
# XPASS: 0
# ERROR: 0
.. contents:: :depth: 2
FAIL: tests/ls/selinux-segfault
===============================
++ initial_cwd_=/home/bruno/coreutils-9.6.53-14af8/build
+++ testdir_prefix_
+++ printf gt
++ pfx_=gt
+++ mktempd_ /home/bruno/coreutils-9.6.53-14af8/build gt-selinux-segfault.sh.XXXX
+++ case $# in
+++ destdir_=/home/bruno/coreutils-9.6.53-14af8/build
+++ template_=gt-selinux-segfault.sh.XXXX
+++ MAX_TRIES_=4
+++ case $destdir_ in
+++ destdir_slash_=/home/bruno/coreutils-9.6.53-14af8/build/
+++ case $template_ in
++++ unset TMPDIR
+++ d=/home/bruno/coreutils-9.6.53-14af8/build/gt-selinux-segfault.sh.yGIC
+++ case $d in
+++ :
+++ test -d /home/bruno/coreutils-9.6.53-14af8/build/gt-selinux-segfault.sh.yGIC
++++ ls -dgo /home/bruno/coreutils-9.6.53-14af8/build/gt-selinux-segfault.sh.yGIC
+++ perms='drwx------. 2 512 Apr 7 21:51 /home/bruno/coreutils-9.6.53-14af8/build/gt-selinux-segfault.sh.yGIC'
+++ case $perms in
+++ :
+++ echo /home/bruno/coreutils-9.6.53-14af8/build/gt-selinux-segfault.sh.yGIC
+++ return
++ test_dir_=/home/bruno/coreutils-9.6.53-14af8/build/gt-selinux-segfault.sh.yGIC
++ cd /home/bruno/coreutils-9.6.53-14af8/build/gt-selinux-segfault.sh.yGIC
++ case $srcdir in
++ srcdir=../..
++ builddir=..
++ export srcdir builddir
++ gl_init_sh_nl_='
'
++ IFS='
'
++ for sig_ in 1 2 3 13 15
+++ expr 1 + 128
++ eval 'trap '\''Exit 129'\'' 1'
+++ trap 'Exit 129' 1
++ for sig_ in 1 2 3 13 15
+++ expr 2 + 128
++ eval 'trap '\''Exit 130'\'' 2'
+++ trap 'Exit 130' 2
++ for sig_ in 1 2 3 13 15
+++ expr 3 + 128
++ eval 'trap '\''Exit 131'\'' 3'
+++ trap 'Exit 131' 3
++ for sig_ in 1 2 3 13 15
+++ expr 13 + 128
++ eval 'trap '\''Exit 141'\'' 13'
+++ trap 'Exit 141' 13
++ for sig_ in 1 2 3 13 15
+++ expr 15 + 128
++ eval 'trap '\''Exit 143'\'' 15'
+++ trap 'Exit 143' 15
++ saved_IFS='
'
++ IFS=:
++ new_PATH=
++ for dir in $PATH
++ IFS='
'
++ case "$dir" in
++ test -d /home/bruno/coreutils-9.6.53-14af8/build/src/.
++ new_PATH=/home/bruno/coreutils-9.6.53-14af8/build/src
++ for dir in $PATH
++ IFS='
'
++ case "$dir" in
++ test -d /home/bruno/bin/.
++ new_PATH=/home/bruno/coreutils-9.6.53-14af8/build/src:/home/bruno/bin
++ for dir in $PATH
++ IFS='
'
++ case "$dir" in
++ test -d /bin/.
++ new_PATH=/home/bruno/coreutils-9.6.53-14af8/build/src:/home/bruno/bin:/bin
++ for dir in $PATH
++ IFS='
'
++ case "$dir" in
++ test -d /sbin/.
++ new_PATH=/home/bruno/coreutils-9.6.53-14af8/build/src:/home/bruno/bin:/bin:/sbin
++ for dir in $PATH
++ IFS='
'
++ case "$dir" in
++ test -d /usr/bin/.
++ new_PATH=/home/bruno/coreutils-9.6.53-14af8/build/src:/home/bruno/bin:/bin:/sbin:/usr/bin
++ for dir in $PATH
++ IFS='
'
++ case "$dir" in
++ test -d /usr/sbin/.
++ new_PATH=/home/bruno/coreutils-9.6.53-14af8/build/src:/home/bruno/bin:/bin:/sbin:/usr/bin:/usr/sbin
++ for dir in $PATH
++ IFS='
'
++ case "$dir" in
++ test -d /usr/local/bin/.
++ new_PATH=/home/bruno/coreutils-9.6.53-14af8/build/src:/home/bruno/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin
++ for dir in $PATH
++ IFS='
'
++ case "$dir" in
++ test -d /usr/local/sbin/.
++ new_PATH=/home/bruno/coreutils-9.6.53-14af8/build/src:/home/bruno/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
++ IFS='
'
++ PATH=/home/bruno/coreutils-9.6.53-14af8/build/src:/home/bruno/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
++ export PATH
++ trap remove_tmp_ EXIT
+ path_prepend_ ./src
+ test 1 '!=' 0
+ path_dir_=./src
+ case $path_dir_ in
+ abs_path_dir_=/home/bruno/coreutils-9.6.53-14af8/build/./src
+ case $abs_path_dir_ in
+ PATH=/home/bruno/coreutils-9.6.53-14af8/build/./src:/home/bruno/coreutils-9.6.53-14af8/build/src:/home/bruno/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
+ create_exe_shims_ /home/bruno/coreutils-9.6.53-14af8/build/./src
+ case $EXEEXT in
+ return 0
+ shift
+ test 0 '!=' 0
+ export PATH
+ print_ver_ ls
+ require_built_ ls
+ skip_=no
+ for i in "$@"
+ case " $built_programs " in
+ test no = yes
+ test yes = yes
+ local i
+ for i in $*
+ env ls --version
ls (GNU coreutils) 9.6.53-14af8
Copyright (C) 2025 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by Richard M. Stallman and David MacKenzie.
+ f=/proc/sys
+ test -r /proc/sys
+ f=.
+ ls -l .
+ mkdir sedir
+ ln -sf missing sedir/broken
+ returns_ 1 ls -L -R -Z -m sedir
../tests/init.sh: line 612: 79448 Segmentation fault (core dumped) "$@"
+ fail=1
+ ls -Z .
../tests/ls/selinux-segfault.sh: line 34: 95717 Segmentation fault (core dumped) ls -Z . > out
+ fail=1
+ Exit 1
+ set +e
+ exit 1
+ exit 1
+ remove_tmp_
+ __st=1
+ cleanup_
+ :
+ test '' = yes
+ cd /home/bruno/coreutils-9.6.53-14af8/build
+ chmod -R u+rwx /home/bruno/coreutils-9.6.53-14af8/build/gt-selinux-segfault.sh.yGIC
+ rm -rf /home/bruno/coreutils-9.6.53-14af8/build/gt-selinux-segfault.sh.yGIC
+ exit 1
FAIL tests/ls/selinux-segfault.sh (exit status: 1)
--nextPart2597012.Y4W8hZkJsM--
Bruno Haible <bruno@HIDDEN>:bug-coreutils@HIDDEN.
Full text available.bug-coreutils@HIDDEN:bug#77621; Package coreutils.
Full text available.
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
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1994-97 Ian Jackson.