mirror of
https://git.FreeBSD.org/src.git
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stress2: Added a few regression tests
This commit is contained in:
Peter Holm
parent
aeff15b392
commit
81b7ebe32e
189
tools/test/stress2/misc/mapwrite.sh
Executable file
189
tools/test/stress2/misc/mapwrite.sh
Executable file
@ -0,0 +1,189 @@
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#!/bin/sh
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# File corruption scenario
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# Test program by Rob Norris <rob norris klarasystems com>
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# Test program obtained from: https://gist.github.com/robn/9804c60cd0275086d26893d73e7af35c
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# https://github.com/openzfs/zfs/issues/15654
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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set -u
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prog=$(basename "$0" .sh)
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cat > /tmp/$prog.c <<EOF
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/*
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* Some kind of clone-related crasher. Not sure if legit or just outdated
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* assertion.
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*
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* Creates clone, maps it, writes from map back into itself.
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*
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* Compile a recent (2.2+) ZFS with --enable-debug.
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*
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* cc -o mapwrite mapwrite.c
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*
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* echo 1 > /sys/modules/zfs/parameters/zfs_bclone_enabled
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* zpool create tank ...
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* cd /tank
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* mapwrite
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*
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* [ 7.666305] VERIFY(arc_released(db->db_buf)) failed
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* [ 7.666443] PANIC at dbuf.c:2150:dbuf_redirty()
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* [ 7.666489] Showing stack for process 608
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* [ 7.666534] CPU: 1 PID: 608 Comm: mapwrite Tainted: P O 5.10.170 #3
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* [ 7.666610] Call Trace:
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* [ 7.666646] dump_stack+0x57/0x6e
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* [ 7.666717] spl_panic+0xd3/0xfb [spl]
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* [ 7.667113] ? zfs_btree_find+0x16a/0x300 [zfs]
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* [ 7.667278] ? range_tree_find_impl+0x55/0xa0 [zfs]
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* [ 7.667333] ? _cond_resched+0x1a/0x50
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* [ 7.667371] ? __kmalloc_node+0x14a/0x2b0
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* [ 7.667415] ? spl_kmem_alloc_impl+0xb0/0xd0 [spl]
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* [ 7.667555] ? __list_add+0x12/0x30 [zfs]
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* [ 7.667681] spl_assert+0x17/0x20 [zfs]
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* [ 7.667807] dbuf_redirty+0xad/0xb0 [zfs]
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* [ 7.667963] dbuf_dirty+0xe76/0x1310 [zfs]
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* [ 7.668011] ? mutex_lock+0xe/0x30
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* [ 7.668133] ? dbuf_noread+0x112/0x240 [zfs]
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* [ 7.668271] dmu_write_uio_dnode+0x101/0x1b0 [zfs]
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* [ 7.668411] dmu_write_uio_dbuf+0x4a/0x70 [zfs]
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* [ 7.668555] zfs_write+0x500/0xc80 [zfs]
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* [ 7.668610] ? page_add_file_rmap+0xe/0xb0
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* [ 7.668740] zpl_iter_write+0xe4/0x130 [zfs]
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* [ 7.668803] new_sync_write+0x119/0x1b0
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* [ 7.668843] vfs_write+0x1ce/0x260
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* [ 7.668880] __x64_sys_pwrite64+0x91/0xc0
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* [ 7.668918] do_syscall_64+0x30/0x40
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* [ 7.668957] entry_SYSCALL_64_after_hwframe+0x61/0xc6
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*/
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#define _GNU_SOURCE
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#include <fcntl.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#define DATASIZE (1024*1024)
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char data[DATASIZE];
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#define NDATA (512)
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#define FILE_NAME "file"
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#define CLONE_NAME "clone"
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static int
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_create_file(void)
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{
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memset(data, 0x5a, DATASIZE);
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int fd;
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if ((fd = open(FILE_NAME, O_RDWR | O_CREAT | O_APPEND,
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S_IRUSR | S_IWUSR)) < 0) {
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perror("open '" FILE_NAME "'");
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abort();
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}
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for (int i = 0; i < NDATA; i++) {
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int nwr = write(fd, data, DATASIZE);
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if (nwr < 0) {
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perror("write");
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abort();
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}
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if (nwr < DATASIZE) {
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fprintf(stderr, "short write\n");
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abort();
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}
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}
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if (lseek(fd, 0, SEEK_SET) < 0) {
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perror("lseek");
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abort();
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}
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sync();
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return (fd);
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}
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static int
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_clone_file(int sfd)
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{
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int dfd;
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if ((dfd = open(CLONE_NAME, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR)) < 0) {
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perror("open '" CLONE_NAME "'");
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abort();
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}
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if (copy_file_range(sfd, 0, dfd, 0, DATASIZE * NDATA, 0) < 0) {
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perror("copy_file_range");
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abort();
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}
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return (dfd);
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}
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static void *
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_map_file(int fd)
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{
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void *p = mmap(NULL, DATASIZE*NDATA, PROT_READ, MAP_SHARED, fd, 0);
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if (p == MAP_FAILED) {
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perror("mmap");
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abort();
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}
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return (p);
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}
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static void
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_map_write(void *p, int fd)
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{
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if (pwrite(fd, p, DATASIZE, 0) < 0) {
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perror("pwrite");
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abort();
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}
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}
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int
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main(void)
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{
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int sfd = _create_file();
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int dfd = _clone_file(sfd);
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void *p = _map_file(dfd);
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_map_write(p, dfd);
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return (0);
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}
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EOF
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mycc -o /tmp/$prog -Wall -Wextra -O2 /tmp/$prog.c || exit 1
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mount | grep -q "on $mntpoint " && umount -f $mntpoint
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mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart
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mdconfig -s 5g -u $mdstart
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newfs -n $newfs_flags /dev/md$mdstart > /dev/null
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mount /dev/md$mdstart $mntpoint
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mycc -o /tmp/swap -Wall -Wextra -O0 ../tools/swap.c || exit 1
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timeout -k 90 60 /tmp/swap -d 100 &
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for i in `jot 10`; do
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capacity=`swapinfo | tail -1 | sed 's/.* //; s/%//'`
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[ $capacity -gt 1 ] && break
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sleep 2 # Wait for swapping
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done
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cd $mntpoint
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/tmp/$prog; s=$?
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pkill swap
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wait
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cmp $mntpoint/file $mntpoint/clone || { echo Fail; s=1; }
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cd -
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umount $mntpoint
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mdconfig -d -u $mdstart
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rm /tmp/$prog /tmp/$prog.c
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exit $s
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160
tools/test/stress2/misc/mmap41.sh
Executable file
160
tools/test/stress2/misc/mmap41.sh
Executable file
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#!/bin/sh
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#
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# Copyright (c) 2024 Peter Holm <pho@FreeBSD.org>
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Based on code from https://syzkaller.appspot.com/text?tag=ReproC&x=15d9baada80000
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# No problems seen
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. ../default.cfg
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prog=$(basename "$0" .sh)
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odir=`pwd`
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cd /tmp
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sed '1,/^EOF/d' < $odir/$0 > $prog.c
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mycc -o $prog -Wall -Wextra -O0 $prog.c -lpthread || exit 1
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rm -f $prog.c
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set -e
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mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint
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[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
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mdconfig -a -t swap -s 2g -u $mdstart
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newfs $newfs_flags md$mdstart > /dev/null
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mount /dev/md$mdstart $mntpoint
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set +e
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$odir/../testcases/swap/swap -t 2m -i 10 > /dev/null &
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cd $mntpoint
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/tmp/$prog
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cd $odir
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while pkill swap; do :; done
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wait
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for i in `jot 6`; do
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mount | grep -q "on $mntpoint " || break
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umount $mntpoint && break || sleep 10
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[ $i -eq 6 ] &&
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{ echo FATAL; fstat -mf $mntpoint; exit 1; }
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done
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mdconfig -d -u $mdstart
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rm -f /tmp/$prog
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exit 0
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EOF
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#include <sys/param.h>
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#include <sys/mman.h>
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#include <sys/uio.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define DEBUG 0 /* 1 to enable */
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#define THREADS 2
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static volatile int go;
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static int fd;
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static char *p, path[128];
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#define ADDR (void *) 0x20000000ul
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#define LEN 0x1000000ul
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void *
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thr(void *arg)
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{
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struct iovec iov;
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long n, w;
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char *p1;
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if (*(int *)arg == 0) {
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while (go == 0)
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usleep(100);
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while (go == 1) {
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if ((p1 = mmap(ADDR, LEN, PROT_WRITE, MAP_ANON|MAP_FIXED|MAP_PRIVATE, -1, 0)) == MAP_FAILED)
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err(1, "mmap() in %s", __func__);
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usleep(arc4random() % 50);
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if ((p1 = mmap(ADDR, LEN, PROT_READ|PROT_WRITE, MAP_ANON|MAP_FIXED|MAP_PRIVATE, -1, 0)) == MAP_FAILED)
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err(1, "mmap() in %s", __func__);
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usleep(arc4random() % 10000);
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}
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} else {
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while (go == 0)
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usleep(100);
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n = w = 0;
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while (go == 1) {
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iov.iov_base = p;
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iov.iov_len = 0x100000;
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if (pwritev(fd, &iov, 1, 0) != -1)
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w++;
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n++;
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}
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if (DEBUG == 1)
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fprintf(stderr, "%ld out of %ld writes (%ld%%)\n", w, n, w * 100 / n);
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}
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return (0);
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}
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void
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test(void)
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{
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pthread_t threads[THREADS];
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int nr[THREADS];
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int i, r;
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sprintf(path, "mmap.%06d", getpid());
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if ((fd = open(path, O_CREAT | O_TRUNC | O_RDWR, 0622)) == -1)
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err(1,"open()");
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if ((p = mmap(ADDR, LEN, PROT_READ|PROT_WRITE, MAP_ANON|MAP_FIXED|MAP_PRIVATE, -1, 0)) == MAP_FAILED)
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err(1, "mmap() in %s", __func__);
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go = 0;
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for (i = 0; i < THREADS; i++) {
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nr[i] = i;
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if ((r = pthread_create(&threads[i], NULL, thr,
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(void *)&nr[i])) != 0)
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errc(1, r, "pthread_create()");
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}
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go = 1;
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sleep(60);
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go = 2;
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for (i = 0; i < THREADS; i++) {
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if ((r = pthread_join(threads[i], NULL)) != 0)
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errc(1, r, "pthread_join(%d)", i);
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}
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close(fd);
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if (DEBUG == 0) {
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if (unlink(path) == -1)
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err(1, "unlink(%s)", path);
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}
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_exit(0);
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}
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int
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main(void)
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{
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pid_t pid;
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int i;
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for (i = 0; i < 2; i++) {
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if ((pid = fork()) == 0)
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test();
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if (waitpid(pid, NULL, 0) != pid)
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err(1, "waitpid()");
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}
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}
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101
tools/test/stress2/misc/mmap42.sh
Executable file
101
tools/test/stress2/misc/mmap42.sh
Executable file
@ -0,0 +1,101 @@
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#!/bin/sh
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# Test scenario by: kib@
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# Test program obtained from Kyle Evans <kevans@FreeBSD.org>
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# Demonstrate UFS SU file corruption:
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# ffs: on write into a buffer without content
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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set -u
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prog=$(basename "$0" .sh)
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s=0
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cat > /tmp/$prog.c <<EOF
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <assert.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#define FILE "file"
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int
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main(void)
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{
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struct stat sb;
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ssize_t wsz;
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size_t bufsz;
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void *buf, *obuf;
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int mfd, fd;
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int done = 0;
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mfd = open(FILE, O_RDONLY);
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assert(mfd >= 0);
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assert(fstat(mfd, &sb) == 0);
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bufsz = sb.st_size;
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buf = obuf = mmap(NULL, bufsz, PROT_READ, MAP_SHARED, mfd, 0);
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assert(buf != MAP_FAILED);
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/* O_RDWR */
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fd = open(FILE, O_RDWR);
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if (fd < 0)
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err(1, "open");
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assert(fd >= 0);
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again:
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while (bufsz > 0) {
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wsz = write(fd, buf, bufsz);
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if (wsz < 0)
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err(1, "write");
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else if (wsz == 0)
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fprintf(stderr, "Huh?\n");
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bufsz -= wsz;
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buf += wsz;
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}
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bufsz = sb.st_size;
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buf = obuf;
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if (++done < 2)
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goto again;
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close(fd);
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munmap(obuf, sb.st_size);
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close(mfd);
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return (0);
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}
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EOF
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mycc -o /tmp/$prog -Wall -Wextra -O0 /tmp/$prog.c || exit 1
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mount | grep -q "on $mntpoint " && umount -f $mntpoint
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mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart
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mdconfig -s 32m -u $mdstart
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pagesize=$(sysctl -n hw.pagesize)
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newfs -Un -b $pagesize /dev/md$mdstart > /dev/null
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mount /dev/md$mdstart $mntpoint
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dd if=/dev/random of=/mnt/file.orig bs=${pagesize} count=1 status=none
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cp $mntpoint/file.orig $mntpoint/file
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cat $mntpoint/file $mntpoint/file > $mntpoint/file.post
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umount $mntpoint
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mount /dev/md$mdstart $mntpoint
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(cd $mntpoint; /tmp/$prog)
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if ! cmp $mntpoint/file $mntpoint/file.post; then
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echo "Files differ"
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ls -l $mntpoint/file $mntpoint/file.post
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s=1
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fi
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umount $mntpoint
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mdconfig -d -u $mdstart
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rm /tmp/$prog /tmp/$prog.c
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exit $s
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182
tools/test/stress2/misc/mmap43.sh
Executable file
182
tools/test/stress2/misc/mmap43.sh
Executable file
@ -0,0 +1,182 @@
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#!/bin/sh
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|
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# Test program obtained from Kyle Evans <kevans@FreeBSD.org>
|
||||
|
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# Demonstrate UFS SU file corruption
|
||||
|
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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||||
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set -u
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prog=$(basename "$0" .sh)
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log=/tmp/$prog.log
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rm -f $log
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cat > /tmp/$prog.c <<EOF
|
||||
#include <sys/mman.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
#include <assert.h>
|
||||
#include <err.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#define FILE "file"
|
||||
|
||||
int
|
||||
main(void)
|
||||
{
|
||||
struct stat sb;
|
||||
ssize_t wsz;
|
||||
size_t bufsz;
|
||||
void *buf, *obuf;
|
||||
int mfd, fd;
|
||||
int done = 0;
|
||||
|
||||
mfd = open(FILE, O_RDONLY);
|
||||
assert(mfd >= 0);
|
||||
|
||||
assert(fstat(mfd, &sb) == 0);
|
||||
bufsz = sb.st_size;
|
||||
buf = obuf = mmap(NULL, bufsz, PROT_READ, MAP_SHARED, mfd, 0);
|
||||
assert(buf != MAP_FAILED);
|
||||
|
||||
/* O_RDWR */
|
||||
fd = open(FILE, O_RDWR);
|
||||
if (fd < 0)
|
||||
err(1, "open");
|
||||
assert(fd >= 0);
|
||||
|
||||
again:
|
||||
while (bufsz > 0) {
|
||||
wsz = write(fd, buf, bufsz);
|
||||
if (wsz < 0)
|
||||
err(1, "write");
|
||||
else if (wsz == 0)
|
||||
fprintf(stderr, "Huh?\n");
|
||||
bufsz -= wsz;
|
||||
buf += wsz;
|
||||
}
|
||||
|
||||
bufsz = sb.st_size;
|
||||
buf = obuf;
|
||||
|
||||
if (++done < 2)
|
||||
goto again;
|
||||
|
||||
close(fd);
|
||||
munmap(obuf, sb.st_size);
|
||||
close(mfd);
|
||||
return (0);
|
||||
}
|
||||
EOF
|
||||
mycc -o /tmp/$prog -Wall -Wextra -O0 /tmp/$prog.c || exit 1
|
||||
|
||||
cat > /tmp/$prog.serial.c <<EOF
|
||||
/* Fill a file with sequential numbers */
|
||||
#include <sys/param.h>
|
||||
#include <sys/mman.h>
|
||||
#include <err.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
size_t i, size;
|
||||
long ix, *lp;
|
||||
int fd;
|
||||
char *file;
|
||||
|
||||
if (argc != 3) {
|
||||
fprintf(stderr, "Usage: %s <file> <file length in bytes>\n", argv[0]);
|
||||
exit(1);
|
||||
}
|
||||
file = argv[1];
|
||||
size = atol(argv[2]);
|
||||
|
||||
if ((fd = open(file, O_RDWR | O_CREAT | O_TRUNC, 0600)) < 0)
|
||||
err(1, "%s", file);
|
||||
|
||||
if (lseek(fd, size - 1, SEEK_SET) == -1)
|
||||
err(1, "lseek error");
|
||||
|
||||
/* write a dummy byte at the last location */
|
||||
if (write(fd, "\0", 1) != 1)
|
||||
err(1, "write error");
|
||||
|
||||
if ((lp = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED)
|
||||
err(1, "mmap()");
|
||||
|
||||
for (i = 0, ix = 0; i < size; i += sizeof(long), ix++)
|
||||
lp[ix] = ix;
|
||||
|
||||
if (munmap(lp, size) == -1)
|
||||
err(1, "munmap");
|
||||
close(fd);
|
||||
}
|
||||
EOF
|
||||
mycc -o /tmp/$prog.serial -Wall -Wextra -O0 /tmp/$prog.serial.c || exit 1
|
||||
|
||||
mount | grep -q "on $mntpoint " && umount -f $mntpoint
|
||||
mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart
|
||||
mdconfig -s 5g -u $mdstart
|
||||
|
||||
newfs -n $newfs_flags /dev/md$mdstart > /dev/null
|
||||
mount /dev/md$mdstart $mntpoint
|
||||
|
||||
here=`pwd`
|
||||
cd $mntpoint
|
||||
|
||||
size=875998990
|
||||
pagesize=`sysctl -n hw.pagesize`
|
||||
tail=$((size % pagesize))
|
||||
/tmp/$prog.serial file $size
|
||||
|
||||
cat file file > file.post
|
||||
mv file file.orig
|
||||
md5=`md5 < file.post`
|
||||
|
||||
cp /usr/bin/sort /tmp/$prog.sort
|
||||
counter=1
|
||||
n=$((`sysctl -n hw.ncpu`))
|
||||
[ $n -gt 10 ] && n=10
|
||||
s=0
|
||||
start=`date +%s`
|
||||
while [ $((`date +%s` - start)) -lt 300 ]; do
|
||||
st=`date +%s`
|
||||
cp file.orig file
|
||||
for i in `jot $n`; do
|
||||
timeout -k 70s 1m /tmp/$prog.sort /dev/zero &
|
||||
done
|
||||
sleep $n
|
||||
/tmp/$prog
|
||||
while pkill $prog.sort; do sleep .2; done
|
||||
wait
|
||||
m=`md5 < file`
|
||||
if [ $md5 != $m ]; then
|
||||
echo "Failed @ iteration $counter"
|
||||
ls -l
|
||||
od -t x8 file > /var/tmp/$prog.file1
|
||||
od -t x8 file.post > /var/tmp/$prog.file2
|
||||
diff /var/tmp/$prog.file1 /var/tmp/$prog.file2 > $log
|
||||
head -10 $log
|
||||
rm /var/tmp/$prog.file1 /var/tmp/$prog.file2
|
||||
s=1
|
||||
break
|
||||
fi
|
||||
echo "`date +%T` Loop #$counter, elapsed $((`date +%s` - st)) seconds."
|
||||
counter=$((counter + 1))
|
||||
done
|
||||
cd $here
|
||||
|
||||
umount $mntpoint
|
||||
mdconfig -d -u $mdstart
|
||||
rm /tmp/$prog /tmp/$prog.c /tmp/$prog.sort
|
||||
[ $s -eq 0 ] &&
|
||||
printf "OK File size is %9d, tail is %4d bytes. (%3d loops)\n" $size $tail $counter ||
|
||||
printf "FAIL File size is %9d, tail is %4d bytes. (%3d loops)\n" $size $tail $counter
|
||||
exit $s
|
||||
Loading…
Reference in New Issue
Block a user