Date: Sat, 16 Apr 2022 07:15:36 GMT From: Peter Holm <pho@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: eaa3e829f0e3 - main - stress2: Added a regression test Message-ID: <202204160715.23G7FaJ3039201@gitrepo.freebsd.org>
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The branch main has been updated by pho: URL: https://cgit.FreeBSD.org/src/commit/?id=eaa3e829f0e3e515ebe6abff3825f47776647955 commit eaa3e829f0e3e515ebe6abff3825f47776647955 Author: Peter Holm <pho@FreeBSD.org> AuthorDate: 2022-04-16 07:14:36 +0000 Commit: Peter Holm <pho@FreeBSD.org> CommitDate: 2022-04-16 07:14:36 +0000 stress2: Added a regression test --- tools/test/stress2/misc/nullfs29.sh | 77 +++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) diff --git a/tools/test/stress2/misc/nullfs29.sh b/tools/test/stress2/misc/nullfs29.sh new file mode 100755 index 000000000000..aa606fd5f526 --- /dev/null +++ b/tools/test/stress2/misc/nullfs29.sh @@ -0,0 +1,77 @@ +#!/bin/sh + +# Regression test for: +# bf13db086b84 - main - Mostly revert a5970a529c2d95271: Make files opened +# with O_PATH to not block non-forced unmount + +# Based on a scenario by: ambrisko + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +here=`pwd` +mp1=$mntpoint +mp2=${mntpoint}$mdstart + +set -e +mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint +mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart +mdconfig -a -t swap -s 1g -u $mdstart || exit 1 +newfs $newfs_flags md$mdstart > /dev/null +mount /dev/md$mdstart $mntpoint +chmod 777 $mntpoint + +mkdir -p $mp2 +mount_nullfs -o nocache $mp1 $mp2 +set +e +cat > /tmp/nullfs29.c <<EOF +#include <sys/stat.h> +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +int +main(void) { + int new_dir, new_file, ret; + struct stat sb; + char *dir = "test2"; + char *path= "test2/what2"; + + if (mkdir(dir, 0755) == -1) + err(1, "mkdir(test2)"); + new_dir = openat(AT_FDCWD, dir, O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_PATH, 0700); + if (new_dir == -1) + err(1, "openat(%s)", dir); + + ret = fstatat(new_dir, "what2", &sb, AT_SYMLINK_NOFOLLOW); + if (ret == 0) + errx(1, "Expected fstatat() to fail"); + if (ret == -1 && errno != ENOENT) + err(1, "fstatat(%s)", dir); + + close(new_dir); + new_file = openat(AT_FDCWD, path, O_WRONLY|O_CREAT|O_EXCL|O_CLOEXEC, 0644); + if (new_file== -1) + err(1, "openat(%s)", path); +} + +EOF +mycc -o /tmp/nullfs29 -Wall -Wextra -O2 /tmp/nullfs29.c || exit 1 +cd $mp2 +/tmp/nullfs29; s=$? +cd $here +umount $mp2 + +n=0 +while mount | grep $mp1 | grep -q /dev/md; do + umount $mp1 || sleep 1 + n=$((n + 1)) + [ $n -gt 30 ] && { echo FAIL; s=2; } +done +mdconfig -d -u $mdstart +rm -f /tmp/nullfs29.c +exit $s
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