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stress2: Added new test cases

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This commit is contained in:
Peter Holm 2022-01-05 10:27:29 +01:00
parent bd8077ee84
commit dfc383201f
3 changed files with 456 additions and 0 deletions
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85
tools/test/stress2/misc/syzkaller48.sh Executable file
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#!/bin/sh
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
# Fixed by:
# 628c3b307fb2 - main - cache: only let non-dir descriptors through when doing EMPTYPATH lookups
. ../default.cfg
[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1
cat > /tmp/syzkaller48.c <<EOF
// Reported-by: syzbot+9aa5439dd9c708aeb1a8@syzkaller.appspotmail.com
#define _GNU_SOURCE
#include <pwd.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/endian.h>
#include <sys/syscall.h>
#include <unistd.h>
#ifndef SYS___realpathat
#define SYS___realpathat 574
#endif
uint64_t r[1] = {0xffffffffffffffff};
int main(void)
{
int i;
syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x1012ul, -1, 0ul);
intptr_t res = 0;
memcpy((void*)0x200000c0, "./file0\000", 8);
for (i = 0; i < 1000; i++) {
res = syscall(SYS_open, 0x200000c0ul, 0x48300ul, 0ul);
if (res != -1)
r[0] = res;
memcpy((void*)0x20000080, ".\000", 2);
syscall(SYS___realpathat, r[0], 0x20000080ul, 0x200002c0ul, 0xabul, 0ul);
close(res);
}
return 0;
}
EOF
set -e
mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint
[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
mdconfig -a -t swap -s 5g -u $mdstart
newfs $newfs_flags -n md$mdstart > /dev/null
mount /dev/md$mdstart $mntpoint
set +e
mkdir $mntpoint/work
mycc -o $mntpoint/work/syzkaller48 -Wall -Wextra -O0 /tmp/syzkaller48.c || exit 1
while true; do
touch $mntpoint/work/file0
rm $mntpoint/work/file0
done &
start=`date +%s`
while [ $((`date +%s` - start)) -lt 120 ]; do
(cd $mntpoint/work; ./syzkaller48)
done
kill $!
wait
ls -l $mntpoint/work
for i in `jot 6`; do
mount | grep -q "on $mntpoint " || break
umount $mntpoint && break || sleep 10
[ $i -eq 6 ] &&
{ echo FATAL; fstat -mf $mntpoint; exit 1; }
done
mdconfig -d -u $mdstart
rm -rf /tmp/syzkaller48.c
exit 0

299
tools/test/stress2/misc/syzkaller49.sh Executable file
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#!/bin/sh
# Fatal trap 12: page fault while in kernel mode
# cpuid = 10; apic id = 0a
# fault virtual address = 0x0
# fault code = supervisor read data, page not present
# instruction pointer = 0x20:0xffffffff80e04f35
# stack pointer = 0x28:0xfffffe014fd0fbc0
# frame pointer = 0x28:0xfffffe014fd0fc00
# code segment = base 0x0, limit 0xfffff, type 0x1b
# = DPL 0, pres 1, long 1, def32 0, gran 1
# processor eflags = interrupt enabled, resume, IOPL = 0
# current process = 13332 (repro77)
# trap number = 12
# panic: page fault
# cpuid = 10
# time = 1640585179
# KDB: stack backtrace:
# db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe014fd0f980
# vpanic() at vpanic+0x17f/frame 0xfffffe014fd0f9d0
# panic() at panic+0x43/frame 0xfffffe014fd0fa30
# trap_fatal() at trap_fatal+0x385/frame 0xfffffe014fd0fa90
# trap_pfault() at trap_pfault+0xab/frame 0xfffffe014fd0faf0
# calltrap() at calltrap+0x8/frame 0xfffffe014fd0faf0
# --- trap 0xc, rip = 0xffffffff80e04f35, rsp = 0xfffffe014fd0fbc0, rbp = 0xfffffe014fd0fc00 ---
# tcp_usr_rcvd() at tcp_usr_rcvd+0x65/frame 0xfffffe014fd0fc00
# soreceive_generic() at soreceive_generic+0xe44/frame 0xfffffe014fd0fcc0
# soreceive() at soreceive+0x4b/frame 0xfffffe014fd0fce0
# kern_recvit() at kern_recvit+0x1ba/frame 0xfffffe014fd0fd90
# sys_recvmsg() at sys_recvmsg+0x6f/frame 0xfffffe014fd0fe00
# amd64_syscall() at amd64_syscall+0x145/frame 0xfffffe014fd0ff30
# fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe014fd0ff30
# --- syscall (0, FreeBSD ELF64, nosys), rip = 0x8020e328a, rsp = 0x22f48, rbp = 0x22f70 ---
# KDB: enter: panic
# [ thread pid 13332 tid 103311 ]
# Stopped at kdb_enter+0x37: movq $0,0x128720e(%rip)
# db> x/s version
# version: FreeBSD 14.0-CURRENT #0 ufs-n251956-c3008785b91: Mon Dec 27 06:11:30 CET 2021
# pho@mercat1.netperf.freebsd.org:/var/tmp/deviant3/sys/amd64/compile/PHO
# db>
. ../default.cfg
[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1
cat > /tmp/syzkaller49.c <<EOF
// https://syzkaller.appspot.com/bug?id=efb2e9f019f36fbc39380724a31cb0c458bb4e61
// autogenerated by syzkaller (https://github.com/google/syzkaller)
// Reported-by: syzbot+93c75c4618b2a4f0f0ac@syzkaller.appspotmail.com
#define _GNU_SOURCE
#include <errno.h>
#include <pthread.h>
#include <pwd.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/endian.h>
#include <sys/syscall.h>
#include <time.h>
#include <unistd.h>
static void sleep_ms(uint64_t ms)
{
usleep(ms * 1000);
}
static uint64_t current_time_ms(void)
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts))
exit(1);
return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}
static void thread_start(void* (*fn)(void*), void* arg)
{
pthread_t th;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 128 << 10);
int i = 0;
for (; i < 100; i++) {
if (pthread_create(&th, &attr, fn, arg) == 0) {
pthread_attr_destroy(&attr);
return;
}
if (errno == EAGAIN) {
usleep(50);
continue;
}
break;
}
exit(1);
}
typedef struct {
pthread_mutex_t mu;
pthread_cond_t cv;
int state;
} event_t;
static void event_init(event_t* ev)
{
if (pthread_mutex_init(&ev->mu, 0))
exit(1);
if (pthread_cond_init(&ev->cv, 0))
exit(1);
ev->state = 0;
}
static void event_reset(event_t* ev)
{
ev->state = 0;
}
static void event_set(event_t* ev)
{
pthread_mutex_lock(&ev->mu);
if (ev->state)
exit(1);
ev->state = 1;
pthread_mutex_unlock(&ev->mu);
pthread_cond_broadcast(&ev->cv);
}
static void event_wait(event_t* ev)
{
pthread_mutex_lock(&ev->mu);
while (!ev->state)
pthread_cond_wait(&ev->cv, &ev->mu);
pthread_mutex_unlock(&ev->mu);
}
static int event_isset(event_t* ev)
{
pthread_mutex_lock(&ev->mu);
int res = ev->state;
pthread_mutex_unlock(&ev->mu);
return res;
}
static int event_timedwait(event_t* ev, uint64_t timeout)
{
uint64_t start = current_time_ms();
uint64_t now = start;
pthread_mutex_lock(&ev->mu);
for (;;) {
if (ev->state)
break;
uint64_t remain = timeout - (now - start);
struct timespec ts;
ts.tv_sec = remain / 1000;
ts.tv_nsec = (remain % 1000) * 1000 * 1000;
pthread_cond_timedwait(&ev->cv, &ev->mu, &ts);
now = current_time_ms();
if (now - start > timeout)
break;
}
int res = ev->state;
pthread_mutex_unlock(&ev->mu);
return res;
}
struct thread_t {
int created, call;
event_t ready, done;
};
static struct thread_t threads[16];
static void execute_call(int call);
static int running;
static void* thr(void* arg)
{
struct thread_t* th = (struct thread_t*)arg;
for (;;) {
event_wait(&th->ready);
event_reset(&th->ready);
execute_call(th->call);
__atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
event_set(&th->done);
}
return 0;
}
static void loop(void)
{
int i, call, thread;
for (call = 0; call < 6; call++) {
for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
thread++) {
struct thread_t* th = &threads[thread];
if (!th->created) {
th->created = 1;
event_init(&th->ready);
event_init(&th->done);
event_set(&th->done);
thread_start(thr, th);
}
if (!event_isset(&th->done))
continue;
event_reset(&th->done);
th->call = call;
__atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
event_set(&th->ready);
event_timedwait(&th->done, 50);
break;
}
}
for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
sleep_ms(1);
}
uint64_t r[1] = {0xffffffffffffffff};
void execute_call(int call)
{
intptr_t res = 0;
switch (call) {
case 0:
res = syscall(SYS_socket, 2ul, 1ul, 0);
if (res != -1)
r[0] = res;
break;
case 1:
*(uint8_t*)0x20000140 = 0x10;
*(uint8_t*)0x20000141 = 2;
*(uint16_t*)0x20000142 = htobe16(0x4e23);
*(uint32_t*)0x20000144 = htobe32(0x7f000001);
memset((void*)0x20000148, 0, 8);
syscall(SYS_bind, r[0], 0x20000140ul, 0x10ul);
break;
case 2:
*(uint8_t*)0x20000080 = 0x10;
*(uint8_t*)0x20000081 = 2;
*(uint16_t*)0x20000082 = htobe16(0x4e23);
*(uint32_t*)0x20000084 = htobe32(0x7f000001);
memset((void*)0x20000088, 0, 8);
syscall(SYS_sendto, r[0], 0ul, 0ul, 0ul, 0x20000080ul, 0x10ul);
break;
case 3:
memset((void*)0x20000100, 69, 1);
syscall(SYS_sendto, r[0], 0x20000100ul, 0xfda4ul, 0ul, 0ul, 0ul);
break;
case 4:
*(uint64_t*)0x200003c0 = 0;
*(uint32_t*)0x200003c8 = 0;
*(uint64_t*)0x200003d0 = 0x20000340;
*(uint64_t*)0x20000340 = 0x20000680;
*(uint64_t*)0x20000348 = 0x19000;
*(uint64_t*)0x200003d8 = 1;
*(uint64_t*)0x200003e0 = 0;
*(uint64_t*)0x200003e8 = 0;
*(uint32_t*)0x200003f0 = 0;
syscall(SYS_recvmsg, r[0], 0x200003c0ul, 0x40ul);
break;
case 5:
syscall(SYS_shutdown, r[0], 1ul);
break;
}
}
int main(void)
{
syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x1012ul, -1, 0ul);
loop();
return 0;
}
EOF
set -e
mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint
[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
mdconfig -a -t swap -s 5g -u $mdstart
newfs $newfs_flags -n md$mdstart > /dev/null
mount /dev/md$mdstart $mntpoint
set +e
mkdir $mntpoint/work
mycc -o $mntpoint/work/syzkaller49 -Wall -Wextra -O0 /tmp/syzkaller49.c -lpthread || exit 1
start=`date +%s`
while [ $((`date +%s` - start)) -lt 120 ]; do
(cd $mntpoint/work; ./syzkaller49)
done
for i in `jot 6`; do
mount | grep -q "on $mntpoint " || break
umount $mntpoint && break || sleep 10
[ $i -eq 6 ] &&
{ echo FATAL; fstat -mf $mntpoint; exit 1; }
done
mdconfig -d -u $mdstart
rm -rf /tmp/syzkaller49.c
exit 0

72
tools/test/stress2/misc/unionfs13.sh Executable file
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#!/bin/sh
#
# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
#
# Copyright (c) 2022 Peter Holm
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# Simple test to demonstrate EMLINK issue.
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
. ../default.cfg
md1=$mdstart
md2=$((md1 + 1))
mp1=/mnt$md1
mp2=/mnt$md2
mkdir -p $mp1 $mp2
set -e
for i in $mp1 $mp2; do
mount | grep -q "on $i " && umount -f $i
done
for i in $md1 $md2; do
mdconfig -l | grep -q md$i && mdconfig -d -u $i
done
mdconfig -a -t swap -s 2g -u $md1
mdconfig -a -t swap -s 2g -u $md2
newfs $newfs_flags -n md$md1 > /dev/null
newfs $newfs_flags -n md$md2 > /dev/null
mount /dev/md$md1 $mp1
mount /dev/md$md2 $mp2
df -i $mp1 $mp2
echo
mount -t unionfs -o noatime $mp1 $mp2
set +e
df -i $mp2
for i in `jot 100`; do
jot 1000 | xargs -P0 -I% mkdir $mp2/a% || { s=1; break; }
jot 1000 | xargs -P0 -I% rmdir $mp2/a%
done
[ $s ] && echo "Failed in loop #$i"
df -i $mp2 | tail -1
umount $mp2 # The unionfs mount
umount $mp2
umount $mp1
mdconfig -d -u $md2
mdconfig -d -u $md1
exit $s