blob: dcd3b32a8ea466a3f71090a3d4232a51248be646 [file] [log] [blame]
// WARNING: ODEBUG bug in do_ipt_get_ctl
// https://syzkaller.appspot.com/bug?id=5c3d9e17415a7e4fb3e1b2859173786f46b3c228
// status:invalid
// autogenerated by syzkaller (http://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <errno.h>
#include <errno.h>
#include <fcntl.h>
#include <fcntl.h>
#include <linux/capability.h>
#include <linux/futex.h>
#include <linux/if.h>
#include <linux/if_ether.h>
#include <linux/if_tun.h>
#include <linux/ip.h>
#include <linux/net.h>
#include <linux/tcp.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <pthread.h>
#include <sched.h>
#include <signal.h>
#include <signal.h>
#include <stdarg.h>
#include <stdarg.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdio.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/time.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
__attribute__((noreturn)) static void doexit(int status)
{
volatile unsigned i;
syscall(__NR_exit_group, status);
for (i = 0;; i++) {
}
}
#include <errno.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <string.h>
#include <sys/stat.h>
const int kFailStatus = 67;
const int kRetryStatus = 69;
static void fail(const char* msg, ...)
{
int e = errno;
va_list args;
va_start(args, msg);
vfprintf(stderr, msg, args);
va_end(args);
fprintf(stderr, " (errno %d)\n", e);
doexit((e == ENOMEM || e == EAGAIN) ? kRetryStatus : kFailStatus);
}
static void exitf(const char* msg, ...)
{
int e = errno;
va_list args;
va_start(args, msg);
vfprintf(stderr, msg, args);
va_end(args);
fprintf(stderr, " (errno %d)\n", e);
doexit(kRetryStatus);
}
static __thread int skip_segv;
static __thread jmp_buf segv_env;
static void segv_handler(int sig, siginfo_t* info, void* uctx)
{
uintptr_t addr = (uintptr_t)info->si_addr;
const uintptr_t prog_start = 1 << 20;
const uintptr_t prog_end = 100 << 20;
if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) &&
(addr < prog_start || addr > prog_end)) {
_longjmp(segv_env, 1);
}
doexit(sig);
}
static void install_segv_handler()
{
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = SIG_IGN;
syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
memset(&sa, 0, sizeof(sa));
sa.sa_sigaction = segv_handler;
sa.sa_flags = SA_NODEFER | SA_SIGINFO;
sigaction(SIGSEGV, &sa, NULL);
sigaction(SIGBUS, &sa, NULL);
}
#define NONFAILING(...) \
{ \
__atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \
if (_setjmp(segv_env) == 0) { \
__VA_ARGS__; \
} \
__atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \
}
static uint64_t current_time_ms()
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts))
fail("clock_gettime failed");
return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}
static void use_temporary_dir()
{
char tmpdir_template[] = "./syzkaller.XXXXXX";
char* tmpdir = mkdtemp(tmpdir_template);
if (!tmpdir)
fail("failed to mkdtemp");
if (chmod(tmpdir, 0777))
fail("failed to chmod");
if (chdir(tmpdir))
fail("failed to chdir");
}
static void vsnprintf_check(char* str, size_t size, const char* format,
va_list args)
{
int rv;
rv = vsnprintf(str, size, format, args);
if (rv < 0)
fail("tun: snprintf failed");
if ((size_t)rv >= size)
fail("tun: string '%s...' doesn't fit into buffer", str);
}
static void snprintf_check(char* str, size_t size, const char* format, ...)
{
va_list args;
va_start(args, format);
vsnprintf_check(str, size, format, args);
va_end(args);
}
#define COMMAND_MAX_LEN 128
#define PATH_PREFIX \
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin "
#define PATH_PREFIX_LEN (sizeof(PATH_PREFIX) - 1)
static void execute_command(bool panic, const char* format, ...)
{
va_list args;
char command[PATH_PREFIX_LEN + COMMAND_MAX_LEN];
int rv;
va_start(args, format);
memcpy(command, PATH_PREFIX, PATH_PREFIX_LEN);
vsnprintf_check(command + PATH_PREFIX_LEN, COMMAND_MAX_LEN, format, args);
rv = system(command);
if (panic && rv != 0)
fail("tun: command \"%s\" failed with code %d", &command[0], rv);
va_end(args);
}
static int tunfd = -1;
static int tun_frags_enabled;
#define SYZ_TUN_MAX_PACKET_SIZE 1000
#define MAX_PIDS 32
#define ADDR_MAX_LEN 32
#define LOCAL_MAC "aa:aa:aa:aa:%02hx:aa"
#define REMOTE_MAC "aa:aa:aa:aa:%02hx:bb"
#define LOCAL_IPV4 "172.20.%d.170"
#define REMOTE_IPV4 "172.20.%d.187"
#define LOCAL_IPV6 "fe80::%02hx:aa"
#define REMOTE_IPV6 "fe80::%02hx:bb"
#define IFF_NAPI 0x0010
#define IFF_NAPI_FRAGS 0x0020
static void initialize_tun(int id)
{
if (id >= MAX_PIDS)
fail("tun: no more than %d executors", MAX_PIDS);
tunfd = open("/dev/net/tun", O_RDWR | O_NONBLOCK);
if (tunfd == -1) {
printf("tun: can't open /dev/net/tun: please enable CONFIG_TUN=y\n");
printf("otherwise fuzzing or reproducing might not work as intended\n");
return;
}
char iface[IFNAMSIZ];
snprintf_check(iface, sizeof(iface), "syz%d", id);
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, iface, IFNAMSIZ);
ifr.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_NAPI | IFF_NAPI_FRAGS;
if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) {
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0)
fail("tun: ioctl(TUNSETIFF) failed");
}
if (ioctl(tunfd, TUNGETIFF, (void*)&ifr) < 0)
fail("tun: ioctl(TUNGETIFF) failed");
tun_frags_enabled = (ifr.ifr_flags & IFF_NAPI_FRAGS) != 0;
char local_mac[ADDR_MAX_LEN];
snprintf_check(local_mac, sizeof(local_mac), LOCAL_MAC, id);
char remote_mac[ADDR_MAX_LEN];
snprintf_check(remote_mac, sizeof(remote_mac), REMOTE_MAC, id);
char local_ipv4[ADDR_MAX_LEN];
snprintf_check(local_ipv4, sizeof(local_ipv4), LOCAL_IPV4, id);
char remote_ipv4[ADDR_MAX_LEN];
snprintf_check(remote_ipv4, sizeof(remote_ipv4), REMOTE_IPV4, id);
char local_ipv6[ADDR_MAX_LEN];
snprintf_check(local_ipv6, sizeof(local_ipv6), LOCAL_IPV6, id);
char remote_ipv6[ADDR_MAX_LEN];
snprintf_check(remote_ipv6, sizeof(remote_ipv6), REMOTE_IPV6, id);
execute_command(1, "sysctl -w net.ipv6.conf.%s.accept_dad=0", iface);
execute_command(1, "sysctl -w net.ipv6.conf.%s.router_solicitations=0",
iface);
execute_command(1, "ip link set dev %s address %s", iface, local_mac);
execute_command(1, "ip addr add %s/24 dev %s", local_ipv4, iface);
execute_command(1, "ip -6 addr add %s/120 dev %s", local_ipv6, iface);
execute_command(1, "ip neigh add %s lladdr %s dev %s nud permanent",
remote_ipv4, remote_mac, iface);
execute_command(1, "ip -6 neigh add %s lladdr %s dev %s nud permanent",
remote_ipv6, remote_mac, iface);
execute_command(1, "ip link set dev %s up", iface);
}
#define DEV_IPV4 "172.20.%d.%d"
#define DEV_IPV6 "fe80::%02hx:%02hx"
#define DEV_MAC "aa:aa:aa:aa:%02hx:%02hx"
static void initialize_netdevices(int id)
{
unsigned i;
const char* devtypes[] = {"ip6gretap", "bridge", "vcan", "bond", "veth"};
const char* devnames[] = {"lo", "sit0", "bridge0", "vcan0",
"tunl0", "gre0", "gretap0", "ip_vti0",
"ip6_vti0", "ip6tnl0", "ip6gre0", "ip6gretap0",
"erspan0", "bond0", "veth0", "veth1"};
for (i = 0; i < sizeof(devtypes) / (sizeof(devtypes[0])); i++)
execute_command(0, "ip link add dev %s0 type %s", devtypes[i], devtypes[i]);
execute_command(0, "ip link add dev veth1 type veth");
for (i = 0; i < sizeof(devnames) / (sizeof(devnames[0])); i++) {
char addr[ADDR_MAX_LEN];
snprintf_check(addr, sizeof(addr), DEV_IPV4, id, id + 10);
execute_command(0, "ip -4 addr add %s/24 dev %s", addr, devnames[i]);
snprintf_check(addr, sizeof(addr), DEV_IPV6, id, id + 10);
execute_command(0, "ip -6 addr add %s/120 dev %s", addr, devnames[i]);
snprintf_check(addr, sizeof(addr), DEV_MAC, id, id + 10);
execute_command(0, "ip link set dev %s address %s", devnames[i], addr);
execute_command(0, "ip link set dev %s up", devnames[i]);
}
}
static void setup_tun(uint64_t pid, bool enable_tun)
{
if (enable_tun) {
initialize_tun(pid);
initialize_netdevices(pid);
}
}
static int read_tun(char* data, int size)
{
if (tunfd < 0)
return -1;
int rv = read(tunfd, data, size);
if (rv < 0) {
if (errno == EAGAIN)
return -1;
if (errno == EBADFD)
return -1;
fail("tun: read failed with %d", rv);
}
return rv;
}
#define MAX_FRAGS 4
struct vnet_fragmentation {
uint32_t full;
uint32_t count;
uint32_t frags[MAX_FRAGS];
};
static uintptr_t syz_emit_ethernet(uintptr_t a0, uintptr_t a1, uintptr_t a2)
{
if (tunfd < 0)
return (uintptr_t)-1;
uint32_t length = a0;
char* data = (char*)a1;
struct vnet_fragmentation* frags = (struct vnet_fragmentation*)a2;
struct iovec vecs[MAX_FRAGS + 1];
uint32_t nfrags = 0;
if (!tun_frags_enabled || frags == NULL) {
vecs[nfrags].iov_base = data;
vecs[nfrags].iov_len = length;
nfrags++;
} else {
bool full = true;
uint32_t i, count = 0;
NONFAILING(full = frags->full);
NONFAILING(count = frags->count);
if (count > MAX_FRAGS)
count = MAX_FRAGS;
for (i = 0; i < count && length != 0; i++) {
uint32_t size = 0;
NONFAILING(size = frags->frags[i]);
if (size > length)
size = length;
vecs[nfrags].iov_base = data;
vecs[nfrags].iov_len = size;
nfrags++;
data += size;
length -= size;
}
if (length != 0 && (full || nfrags == 0)) {
vecs[nfrags].iov_base = data;
vecs[nfrags].iov_len = length;
nfrags++;
}
}
return writev(tunfd, vecs, nfrags);
}
static void flush_tun()
{
char data[SYZ_TUN_MAX_PACKET_SIZE];
while (read_tun(&data[0], sizeof(data)) != -1)
;
}
static void loop();
static void sandbox_common()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
setsid();
struct rlimit rlim;
rlim.rlim_cur = rlim.rlim_max = 128 << 20;
setrlimit(RLIMIT_AS, &rlim);
rlim.rlim_cur = rlim.rlim_max = 8 << 20;
setrlimit(RLIMIT_MEMLOCK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 1 << 20;
setrlimit(RLIMIT_FSIZE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 1 << 20;
setrlimit(RLIMIT_STACK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 0;
setrlimit(RLIMIT_CORE, &rlim);
#define CLONE_NEWCGROUP 0x02000000
if (unshare(CLONE_NEWNS)) {
}
if (unshare(CLONE_NEWIPC)) {
}
if (unshare(CLONE_NEWCGROUP)) {
}
if (unshare(CLONE_NEWUTS)) {
}
if (unshare(CLONE_SYSVSEM)) {
}
}
static bool write_file(const char* file, const char* what, ...)
{
char buf[1024];
va_list args;
va_start(args, what);
vsnprintf(buf, sizeof(buf), what, args);
va_end(args);
buf[sizeof(buf) - 1] = 0;
int len = strlen(buf);
int fd = open(file, O_WRONLY | O_CLOEXEC);
if (fd == -1)
return false;
if (write(fd, buf, len) != len) {
close(fd);
return false;
}
close(fd);
return true;
}
static int real_uid;
static int real_gid;
__attribute__((aligned(64 << 10))) static char sandbox_stack[1 << 20];
static int namespace_sandbox_proc(void* arg)
{
sandbox_common();
write_file("/proc/self/setgroups", "deny");
if (!write_file("/proc/self/uid_map", "0 %d 1\n", real_uid))
fail("write of /proc/self/uid_map failed");
if (!write_file("/proc/self/gid_map", "0 %d 1\n", real_gid))
fail("write of /proc/self/gid_map failed");
if (unshare(CLONE_NEWNET))
fail("unshare(CLONE_NEWNET)");
setup_tun((long)arg >> 1, (long)arg & 1);
if (mkdir("./syz-tmp", 0777))
fail("mkdir(syz-tmp) failed");
if (mount("", "./syz-tmp", "tmpfs", 0, NULL))
fail("mount(tmpfs) failed");
if (mkdir("./syz-tmp/newroot", 0777))
fail("mkdir failed");
if (mkdir("./syz-tmp/newroot/dev", 0700))
fail("mkdir failed");
unsigned mount_flags = MS_BIND | MS_REC | MS_PRIVATE;
if (mount("/dev", "./syz-tmp/newroot/dev", NULL, mount_flags, NULL))
fail("mount(dev) failed");
if (mkdir("./syz-tmp/newroot/proc", 0700))
fail("mkdir failed");
if (mount(NULL, "./syz-tmp/newroot/proc", "proc", 0, NULL))
fail("mount(proc) failed");
if (mkdir("./syz-tmp/newroot/selinux", 0700))
fail("mkdir failed");
const char* selinux_path = "./syz-tmp/newroot/selinux";
if (mount("/selinux", selinux_path, NULL, mount_flags, NULL) &&
mount("/sys/fs/selinux", selinux_path, NULL, mount_flags, NULL))
fail("mount(selinuxfs) failed");
if (mkdir("./syz-tmp/pivot", 0777))
fail("mkdir failed");
if (syscall(SYS_pivot_root, "./syz-tmp", "./syz-tmp/pivot")) {
if (chdir("./syz-tmp"))
fail("chdir failed");
} else {
if (chdir("/"))
fail("chdir failed");
if (umount2("./pivot", MNT_DETACH))
fail("umount failed");
}
if (chroot("./newroot"))
fail("chroot failed");
if (chdir("/"))
fail("chdir failed");
struct __user_cap_header_struct cap_hdr = {};
struct __user_cap_data_struct cap_data[2] = {};
cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
cap_hdr.pid = getpid();
if (syscall(SYS_capget, &cap_hdr, &cap_data))
fail("capget failed");
cap_data[0].effective &= ~(1 << CAP_SYS_PTRACE);
cap_data[0].permitted &= ~(1 << CAP_SYS_PTRACE);
cap_data[0].inheritable &= ~(1 << CAP_SYS_PTRACE);
if (syscall(SYS_capset, &cap_hdr, &cap_data))
fail("capset failed");
loop();
doexit(1);
}
static int do_sandbox_namespace(int executor_pid, bool enable_tun)
{
int pid;
real_uid = getuid();
real_gid = getgid();
mprotect(sandbox_stack, 4096, PROT_NONE);
void* arg = (void*)(long)((executor_pid << 1) | enable_tun);
pid =
clone(namespace_sandbox_proc, &sandbox_stack[sizeof(sandbox_stack) - 64],
CLONE_NEWUSER | CLONE_NEWPID, arg);
if (pid < 0)
fail("sandbox clone failed");
return pid;
}
#define XT_TABLE_SIZE 1536
#define XT_MAX_ENTRIES 10
struct xt_counters {
uint64_t pcnt, bcnt;
};
struct ipt_getinfo {
char name[32];
unsigned int valid_hooks;
unsigned int hook_entry[5];
unsigned int underflow[5];
unsigned int num_entries;
unsigned int size;
};
struct ipt_get_entries {
char name[32];
unsigned int size;
void* entrytable[XT_TABLE_SIZE / sizeof(void*)];
};
struct ipt_replace {
char name[32];
unsigned int valid_hooks;
unsigned int num_entries;
unsigned int size;
unsigned int hook_entry[5];
unsigned int underflow[5];
unsigned int num_counters;
struct xt_counters* counters;
char entrytable[XT_TABLE_SIZE];
};
struct ipt_table_desc {
const char* name;
struct ipt_getinfo info;
struct ipt_replace replace;
};
static struct ipt_table_desc ipv4_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "mangle"},
{.name = "raw"}, {.name = "security"},
};
static struct ipt_table_desc ipv6_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "mangle"},
{.name = "raw"}, {.name = "security"},
};
#define IPT_BASE_CTL 64
#define IPT_SO_SET_REPLACE (IPT_BASE_CTL)
#define IPT_SO_GET_INFO (IPT_BASE_CTL)
#define IPT_SO_GET_ENTRIES (IPT_BASE_CTL + 1)
struct arpt_getinfo {
char name[32];
unsigned int valid_hooks;
unsigned int hook_entry[3];
unsigned int underflow[3];
unsigned int num_entries;
unsigned int size;
};
struct arpt_get_entries {
char name[32];
unsigned int size;
void* entrytable[XT_TABLE_SIZE / sizeof(void*)];
};
struct arpt_replace {
char name[32];
unsigned int valid_hooks;
unsigned int num_entries;
unsigned int size;
unsigned int hook_entry[3];
unsigned int underflow[3];
unsigned int num_counters;
struct xt_counters* counters;
char entrytable[XT_TABLE_SIZE];
};
struct arpt_table_desc {
const char* name;
struct arpt_getinfo info;
struct arpt_replace replace;
};
static struct arpt_table_desc arpt_tables[] = {
{.name = "filter"},
};
#define ARPT_BASE_CTL 96
#define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL)
#define ARPT_SO_GET_INFO (ARPT_BASE_CTL)
#define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1)
static void checkpoint_iptables(struct ipt_table_desc* tables, int num_tables,
int family, int level)
{
struct ipt_get_entries entries;
socklen_t optlen;
int fd, i;
fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1)
fail("socket(%d, SOCK_STREAM, IPPROTO_TCP)", family);
for (i = 0; i < num_tables; i++) {
struct ipt_table_desc* table = &tables[i];
strcpy(table->info.name, table->name);
strcpy(table->replace.name, table->name);
optlen = sizeof(table->info);
if (getsockopt(fd, level, IPT_SO_GET_INFO, &table->info, &optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
fail("getsockopt(IPT_SO_GET_INFO)");
}
if (table->info.size > sizeof(table->replace.entrytable))
fail("table size is too large: %u", table->info.size);
if (table->info.num_entries > XT_MAX_ENTRIES)
fail("too many counters: %u", table->info.num_entries);
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
fail("getsockopt(IPT_SO_GET_ENTRIES)");
table->replace.valid_hooks = table->info.valid_hooks;
table->replace.num_entries = table->info.num_entries;
table->replace.size = table->info.size;
memcpy(table->replace.hook_entry, table->info.hook_entry,
sizeof(table->replace.hook_entry));
memcpy(table->replace.underflow, table->info.underflow,
sizeof(table->replace.underflow));
memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
}
close(fd);
}
static void reset_iptables(struct ipt_table_desc* tables, int num_tables,
int family, int level)
{
struct xt_counters counters[XT_MAX_ENTRIES];
struct ipt_get_entries entries;
struct ipt_getinfo info;
socklen_t optlen;
int fd, i;
fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1)
fail("socket(%d, SOCK_STREAM, IPPROTO_TCP)", family);
for (i = 0; i < num_tables; i++) {
struct ipt_table_desc* table = &tables[i];
if (table->info.valid_hooks == 0)
continue;
memset(&info, 0, sizeof(info));
strcpy(info.name, table->name);
optlen = sizeof(info);
if (getsockopt(fd, level, IPT_SO_GET_INFO, &info, &optlen))
fail("getsockopt(IPT_SO_GET_INFO)");
if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
fail("getsockopt(IPT_SO_GET_ENTRIES)");
if (memcmp(table->replace.entrytable, entries.entrytable,
table->info.size) == 0)
continue;
}
table->replace.num_counters = info.num_entries;
table->replace.counters = counters;
optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
table->replace.size;
if (setsockopt(fd, level, IPT_SO_SET_REPLACE, &table->replace, optlen))
fail("setsockopt(IPT_SO_SET_REPLACE)");
}
close(fd);
}
static void checkpoint_arptables(void)
{
struct arpt_get_entries entries;
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1)
fail("socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)");
for (i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
struct arpt_table_desc* table = &arpt_tables[i];
strcpy(table->info.name, table->name);
strcpy(table->replace.name, table->name);
optlen = sizeof(table->info);
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &table->info, &optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
fail("getsockopt(ARPT_SO_GET_INFO)");
}
if (table->info.size > sizeof(table->replace.entrytable))
fail("table size is too large: %u", table->info.size);
if (table->info.num_entries > XT_MAX_ENTRIES)
fail("too many counters: %u", table->info.num_entries);
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
fail("getsockopt(ARPT_SO_GET_ENTRIES)");
table->replace.valid_hooks = table->info.valid_hooks;
table->replace.num_entries = table->info.num_entries;
table->replace.size = table->info.size;
memcpy(table->replace.hook_entry, table->info.hook_entry,
sizeof(table->replace.hook_entry));
memcpy(table->replace.underflow, table->info.underflow,
sizeof(table->replace.underflow));
memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
}
close(fd);
}
static void reset_arptables()
{
struct xt_counters counters[XT_MAX_ENTRIES];
struct arpt_get_entries entries;
struct arpt_getinfo info;
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1)
fail("socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)");
for (i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
struct arpt_table_desc* table = &arpt_tables[i];
if (table->info.valid_hooks == 0)
continue;
memset(&info, 0, sizeof(info));
strcpy(info.name, table->name);
optlen = sizeof(info);
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &info, &optlen))
fail("getsockopt(ARPT_SO_GET_INFO)");
if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
fail("getsockopt(ARPT_SO_GET_ENTRIES)");
if (memcmp(table->replace.entrytable, entries.entrytable,
table->info.size) == 0)
continue;
}
table->replace.num_counters = info.num_entries;
table->replace.counters = counters;
optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
table->replace.size;
if (setsockopt(fd, SOL_IP, ARPT_SO_SET_REPLACE, &table->replace, optlen))
fail("setsockopt(ARPT_SO_SET_REPLACE)");
}
close(fd);
}
#include <linux/if.h>
#include <linux/netfilter_bridge/ebtables.h>
struct ebt_table_desc {
const char* name;
struct ebt_replace replace;
char entrytable[XT_TABLE_SIZE];
};
static struct ebt_table_desc ebt_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "broute"},
};
static void checkpoint_ebtables(void)
{
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1)
fail("socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)");
for (i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
struct ebt_table_desc* table = &ebt_tables[i];
strcpy(table->replace.name, table->name);
optlen = sizeof(table->replace);
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_INFO, &table->replace,
&optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
fail("getsockopt(EBT_SO_GET_INIT_INFO)");
}
if (table->replace.entries_size > sizeof(table->entrytable))
fail("table size is too large: %u", table->replace.entries_size);
table->replace.num_counters = 0;
table->replace.entries = table->entrytable;
optlen = sizeof(table->replace) + table->replace.entries_size;
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_ENTRIES, &table->replace,
&optlen))
fail("getsockopt(EBT_SO_GET_INIT_ENTRIES)");
}
close(fd);
}
static void reset_ebtables()
{
struct ebt_replace replace;
char entrytable[XT_TABLE_SIZE];
socklen_t optlen;
unsigned i, j, h;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1)
fail("socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)");
for (i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
struct ebt_table_desc* table = &ebt_tables[i];
if (table->replace.valid_hooks == 0)
continue;
memset(&replace, 0, sizeof(replace));
strcpy(replace.name, table->name);
optlen = sizeof(replace);
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INFO, &replace, &optlen))
fail("getsockopt(EBT_SO_GET_INFO)");
replace.num_counters = 0;
for (h = 0; h < NF_BR_NUMHOOKS; h++)
table->replace.hook_entry[h] = 0;
if (memcmp(&table->replace, &replace, sizeof(table->replace)) == 0) {
memset(&entrytable, 0, sizeof(entrytable));
replace.entries = entrytable;
optlen = sizeof(replace) + replace.entries_size;
if (getsockopt(fd, SOL_IP, EBT_SO_GET_ENTRIES, &replace, &optlen))
fail("getsockopt(EBT_SO_GET_ENTRIES)");
if (memcmp(table->entrytable, entrytable, replace.entries_size) == 0)
continue;
}
for (j = 0, h = 0; h < NF_BR_NUMHOOKS; h++) {
if (table->replace.valid_hooks & (1 << h)) {
table->replace.hook_entry[h] =
(struct ebt_entries*)table->entrytable + j;
j++;
}
}
optlen = sizeof(table->replace) + table->replace.entries_size;
if (setsockopt(fd, SOL_IP, EBT_SO_SET_ENTRIES, &table->replace, optlen))
fail("setsockopt(EBT_SO_SET_ENTRIES)");
}
close(fd);
}
static void checkpoint_net_namespace(void)
{
checkpoint_ebtables();
checkpoint_arptables();
checkpoint_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
AF_INET, SOL_IP);
checkpoint_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
AF_INET6, SOL_IPV6);
}
static void reset_net_namespace(void)
{
reset_ebtables();
reset_arptables();
reset_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
AF_INET, SOL_IP);
reset_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
AF_INET6, SOL_IPV6);
}
static void remove_dir(const char* dir)
{
DIR* dp;
struct dirent* ep;
int iter = 0;
retry:
dp = opendir(dir);
if (dp == NULL) {
if (errno == EMFILE) {
exitf("opendir(%s) failed due to NOFILE, exiting", dir);
}
exitf("opendir(%s) failed", dir);
}
while ((ep = readdir(dp))) {
if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
continue;
char filename[FILENAME_MAX];
snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
struct stat st;
if (lstat(filename, &st))
exitf("lstat(%s) failed", filename);
if (S_ISDIR(st.st_mode)) {
remove_dir(filename);
continue;
}
int i;
for (i = 0;; i++) {
if (unlink(filename) == 0)
break;
if (errno == EROFS) {
break;
}
if (errno != EBUSY || i > 100)
exitf("unlink(%s) failed", filename);
if (umount2(filename, MNT_DETACH))
exitf("umount(%s) failed", filename);
}
}
closedir(dp);
int i;
for (i = 0;; i++) {
if (rmdir(dir) == 0)
break;
if (i < 100) {
if (errno == EROFS) {
break;
}
if (errno == EBUSY) {
if (umount2(dir, MNT_DETACH))
exitf("umount(%s) failed", dir);
continue;
}
if (errno == ENOTEMPTY) {
if (iter < 100) {
iter++;
goto retry;
}
}
}
exitf("rmdir(%s) failed", dir);
}
}
static void test();
void loop()
{
int iter;
checkpoint_net_namespace();
for (iter = 0;; iter++) {
char cwdbuf[256];
sprintf(cwdbuf, "./%d", iter);
if (mkdir(cwdbuf, 0777))
fail("failed to mkdir");
int pid = fork();
if (pid < 0)
fail("loop fork failed");
if (pid == 0) {
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
if (chdir(cwdbuf))
fail("failed to chdir");
flush_tun();
test();
doexit(0);
}
int status = 0;
uint64_t start = current_time_ms();
for (;;) {
int res = waitpid(-1, &status, __WALL | WNOHANG);
if (res == pid)
break;
usleep(1000);
if (current_time_ms() - start > 5 * 1000) {
kill(-pid, SIGKILL);
kill(pid, SIGKILL);
while (waitpid(-1, &status, __WALL) != pid) {
}
break;
}
}
remove_dir(cwdbuf);
reset_net_namespace();
}
}
struct thread_t {
int created, running, call;
pthread_t th;
};
static struct thread_t threads[16];
static void execute_call(int call);
static int running;
static int collide;
static void* thr(void* arg)
{
struct thread_t* th = (struct thread_t*)arg;
for (;;) {
while (!__atomic_load_n(&th->running, __ATOMIC_ACQUIRE))
syscall(SYS_futex, &th->running, FUTEX_WAIT, 0, 0);
execute_call(th->call);
__atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
__atomic_store_n(&th->running, 0, __ATOMIC_RELEASE);
syscall(SYS_futex, &th->running, FUTEX_WAKE);
}
return 0;
}
static void execute(int num_calls)
{
int call, thread;
running = 0;
for (call = 0; call < num_calls; call++) {
for (thread = 0; thread < sizeof(threads) / sizeof(threads[0]); thread++) {
struct thread_t* th = &threads[thread];
if (!th->created) {
th->created = 1;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 128 << 10);
pthread_create(&th->th, &attr, thr, th);
}
if (!__atomic_load_n(&th->running, __ATOMIC_ACQUIRE)) {
th->call = call;
__atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
__atomic_store_n(&th->running, 1, __ATOMIC_RELEASE);
syscall(SYS_futex, &th->running, FUTEX_WAKE);
if (collide && call % 2)
break;
struct timespec ts;
ts.tv_sec = 0;
ts.tv_nsec = 20 * 1000 * 1000;
syscall(SYS_futex, &th->running, FUTEX_WAIT, 1, &ts);
if (running)
usleep((call == num_calls - 1) ? 10000 : 1000);
break;
}
}
}
}
long r[1];
uint64_t procid;
void execute_call(int call)
{
switch (call) {
case 0:
r[0] = syscall(__NR_socket, 0xa, 2, 0);
break;
case 1:
NONFAILING(memcpy((void*)0x20000000, "\x72\x61\x77\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00",
32));
NONFAILING(*(uint32_t*)0x20000020 = 9);
NONFAILING(*(uint32_t*)0x20000024 = 3);
NONFAILING(*(uint32_t*)0x20000028 = 0x408);
NONFAILING(*(uint32_t*)0x2000002c = 0xd0);
NONFAILING(*(uint32_t*)0x20000030 = -1);
NONFAILING(*(uint32_t*)0x20000034 = -1);
NONFAILING(*(uint32_t*)0x20000038 = 0xd0);
NONFAILING(*(uint32_t*)0x2000003c = -1);
NONFAILING(*(uint32_t*)0x20000040 = 0x338);
NONFAILING(*(uint32_t*)0x20000044 = -1);
NONFAILING(*(uint32_t*)0x20000048 = -1);
NONFAILING(*(uint32_t*)0x2000004c = 0x338);
NONFAILING(*(uint32_t*)0x20000050 = -1);
NONFAILING(*(uint32_t*)0x20000054 = 3);
NONFAILING(*(uint64_t*)0x20000058 = 0x207fafd0);
NONFAILING(*(uint8_t*)0x20000060 = 0);
NONFAILING(*(uint8_t*)0x20000061 = 0);
NONFAILING(*(uint8_t*)0x20000062 = 0);
NONFAILING(*(uint8_t*)0x20000063 = 0);
NONFAILING(*(uint8_t*)0x20000064 = 0);
NONFAILING(*(uint8_t*)0x20000065 = 0);
NONFAILING(*(uint8_t*)0x20000066 = 0);
NONFAILING(*(uint8_t*)0x20000067 = 0);
NONFAILING(*(uint8_t*)0x20000068 = 0);
NONFAILING(*(uint8_t*)0x20000069 = 0);
NONFAILING(*(uint8_t*)0x2000006a = 0);
NONFAILING(*(uint8_t*)0x2000006b = 0);
NONFAILING(*(uint8_t*)0x2000006c = 0);
NONFAILING(*(uint8_t*)0x2000006d = 0);
NONFAILING(*(uint8_t*)0x2000006e = 0);
NONFAILING(*(uint8_t*)0x2000006f = 0);
NONFAILING(*(uint8_t*)0x20000070 = 0);
NONFAILING(*(uint8_t*)0x20000071 = 0);
NONFAILING(*(uint8_t*)0x20000072 = 0);
NONFAILING(*(uint8_t*)0x20000073 = 0);
NONFAILING(*(uint8_t*)0x20000074 = 0);
NONFAILING(*(uint8_t*)0x20000075 = 0);
NONFAILING(*(uint8_t*)0x20000076 = 0);
NONFAILING(*(uint8_t*)0x20000077 = 0);
NONFAILING(*(uint8_t*)0x20000078 = 0);
NONFAILING(*(uint8_t*)0x20000079 = 0);
NONFAILING(*(uint8_t*)0x2000007a = 0);
NONFAILING(*(uint8_t*)0x2000007b = 0);
NONFAILING(*(uint8_t*)0x2000007c = 0);
NONFAILING(*(uint8_t*)0x2000007d = 0);
NONFAILING(*(uint8_t*)0x2000007e = 0);
NONFAILING(*(uint8_t*)0x2000007f = 0);
NONFAILING(*(uint8_t*)0x20000080 = 0);
NONFAILING(*(uint8_t*)0x20000081 = 0);
NONFAILING(*(uint8_t*)0x20000082 = 0);
NONFAILING(*(uint8_t*)0x20000083 = 0);
NONFAILING(*(uint8_t*)0x20000084 = 0);
NONFAILING(*(uint8_t*)0x20000085 = 0);
NONFAILING(*(uint8_t*)0x20000086 = 0);
NONFAILING(*(uint8_t*)0x20000087 = 0);
NONFAILING(*(uint8_t*)0x20000088 = 0);
NONFAILING(*(uint8_t*)0x20000089 = 0);
NONFAILING(*(uint8_t*)0x2000008a = 0);
NONFAILING(*(uint8_t*)0x2000008b = 0);
NONFAILING(*(uint8_t*)0x2000008c = 0);
NONFAILING(*(uint8_t*)0x2000008d = 0);
NONFAILING(*(uint8_t*)0x2000008e = 0);
NONFAILING(*(uint8_t*)0x2000008f = 0);
NONFAILING(*(uint8_t*)0x20000090 = 0);
NONFAILING(*(uint8_t*)0x20000091 = 0);
NONFAILING(*(uint8_t*)0x20000092 = 0);
NONFAILING(*(uint8_t*)0x20000093 = 0);
NONFAILING(*(uint8_t*)0x20000094 = 0);
NONFAILING(*(uint8_t*)0x20000095 = 0);
NONFAILING(*(uint8_t*)0x20000096 = 0);
NONFAILING(*(uint8_t*)0x20000097 = 0);
NONFAILING(*(uint8_t*)0x20000098 = 0);
NONFAILING(*(uint8_t*)0x20000099 = 0);
NONFAILING(*(uint8_t*)0x2000009a = 0);
NONFAILING(*(uint8_t*)0x2000009b = 0);
NONFAILING(*(uint8_t*)0x2000009c = 0);
NONFAILING(*(uint8_t*)0x2000009d = 0);
NONFAILING(*(uint8_t*)0x2000009e = 0);
NONFAILING(*(uint8_t*)0x2000009f = 0);
NONFAILING(*(uint8_t*)0x200000a0 = 0);
NONFAILING(*(uint8_t*)0x200000a1 = 0);
NONFAILING(*(uint8_t*)0x200000a2 = 0);
NONFAILING(*(uint8_t*)0x200000a3 = 0);
NONFAILING(*(uint8_t*)0x200000a4 = 0);
NONFAILING(*(uint8_t*)0x200000a5 = 0);
NONFAILING(*(uint8_t*)0x200000a6 = 0);
NONFAILING(*(uint8_t*)0x200000a7 = 0);
NONFAILING(*(uint8_t*)0x200000a8 = 0);
NONFAILING(*(uint8_t*)0x200000a9 = 0);
NONFAILING(*(uint8_t*)0x200000aa = 0);
NONFAILING(*(uint8_t*)0x200000ab = 0);
NONFAILING(*(uint8_t*)0x200000ac = 0);
NONFAILING(*(uint8_t*)0x200000ad = 0);
NONFAILING(*(uint8_t*)0x200000ae = 0);
NONFAILING(*(uint8_t*)0x200000af = 0);
NONFAILING(*(uint8_t*)0x200000b0 = 0);
NONFAILING(*(uint8_t*)0x200000b1 = 0);
NONFAILING(*(uint8_t*)0x200000b2 = 0);
NONFAILING(*(uint8_t*)0x200000b3 = 0);
NONFAILING(*(uint8_t*)0x200000b4 = 0);
NONFAILING(*(uint8_t*)0x200000b5 = 0);
NONFAILING(*(uint8_t*)0x200000b6 = 0);
NONFAILING(*(uint8_t*)0x200000b7 = 0);
NONFAILING(*(uint8_t*)0x200000b8 = 0);
NONFAILING(*(uint8_t*)0x200000b9 = 0);
NONFAILING(*(uint8_t*)0x200000ba = 0);
NONFAILING(*(uint8_t*)0x200000bb = 0);
NONFAILING(*(uint8_t*)0x200000bc = 0);
NONFAILING(*(uint8_t*)0x200000bd = 0);
NONFAILING(*(uint8_t*)0x200000be = 0);
NONFAILING(*(uint8_t*)0x200000bf = 0);
NONFAILING(*(uint8_t*)0x200000c0 = 0);
NONFAILING(*(uint8_t*)0x200000c1 = 0);
NONFAILING(*(uint8_t*)0x200000c2 = 0);
NONFAILING(*(uint8_t*)0x200000c3 = 0);
NONFAILING(*(uint8_t*)0x200000c4 = 0);
NONFAILING(*(uint8_t*)0x200000c5 = 0);
NONFAILING(*(uint8_t*)0x200000c6 = 0);
NONFAILING(*(uint8_t*)0x200000c7 = 0);
NONFAILING(*(uint8_t*)0x200000c8 = 0);
NONFAILING(*(uint8_t*)0x200000c9 = 0);
NONFAILING(*(uint8_t*)0x200000ca = 0);
NONFAILING(*(uint8_t*)0x200000cb = 0);
NONFAILING(*(uint8_t*)0x200000cc = 0);
NONFAILING(*(uint8_t*)0x200000cd = 0);
NONFAILING(*(uint8_t*)0x200000ce = 0);
NONFAILING(*(uint8_t*)0x200000cf = 0);
NONFAILING(*(uint8_t*)0x200000d0 = 0);
NONFAILING(*(uint8_t*)0x200000d1 = 0);
NONFAILING(*(uint8_t*)0x200000d2 = 0);
NONFAILING(*(uint8_t*)0x200000d3 = 0);
NONFAILING(*(uint8_t*)0x200000d4 = 0);
NONFAILING(*(uint8_t*)0x200000d5 = 0);
NONFAILING(*(uint8_t*)0x200000d6 = 0);
NONFAILING(*(uint8_t*)0x200000d7 = 0);
NONFAILING(*(uint8_t*)0x200000d8 = 0);
NONFAILING(*(uint8_t*)0x200000d9 = 0);
NONFAILING(*(uint8_t*)0x200000da = 0);
NONFAILING(*(uint8_t*)0x200000db = 0);
NONFAILING(*(uint8_t*)0x200000dc = 0);
NONFAILING(*(uint8_t*)0x200000dd = 0);
NONFAILING(*(uint8_t*)0x200000de = 0);
NONFAILING(*(uint8_t*)0x200000df = 0);
NONFAILING(*(uint8_t*)0x200000e0 = 0);
NONFAILING(*(uint8_t*)0x200000e1 = 0);
NONFAILING(*(uint8_t*)0x200000e2 = 0);
NONFAILING(*(uint8_t*)0x200000e3 = 0);
NONFAILING(*(uint8_t*)0x200000e4 = 0);
NONFAILING(*(uint8_t*)0x200000e5 = 0);
NONFAILING(*(uint8_t*)0x200000e6 = 0);
NONFAILING(*(uint8_t*)0x200000e7 = 0);
NONFAILING(*(uint32_t*)0x200000e8 = 0);
NONFAILING(*(uint16_t*)0x200000ec = 0xa8);
NONFAILING(*(uint16_t*)0x200000ee = 0xd0);
NONFAILING(*(uint32_t*)0x200000f0 = 0);
NONFAILING(*(uint64_t*)0x200000f8 = 0);
NONFAILING(*(uint64_t*)0x20000100 = 0);
NONFAILING(*(uint16_t*)0x20000108 = 0x28);
NONFAILING(memcpy((void*)0x2000010a, "\x53\x45\x54\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00",
29));
NONFAILING(*(uint8_t*)0x20000127 = 1);
NONFAILING(*(uint16_t*)0x20000128 = -1);
NONFAILING(*(uint8_t*)0x2000012a = 0);
NONFAILING(*(uint8_t*)0x2000012b = 0);
NONFAILING(*(uint16_t*)0x2000012c = -1);
NONFAILING(*(uint8_t*)0x2000012e = 0);
NONFAILING(*(uint8_t*)0x2000012f = 0);
NONFAILING(*(uint8_t*)0x20000130 = 0);
NONFAILING(*(uint8_t*)0x20000131 = 0);
NONFAILING(*(uint8_t*)0x20000132 = 0);
NONFAILING(*(uint8_t*)0x20000133 = 0);
NONFAILING(*(uint8_t*)0x20000134 = 0);
NONFAILING(*(uint8_t*)0x20000135 = 0);
NONFAILING(*(uint8_t*)0x20000136 = 0);
NONFAILING(*(uint8_t*)0x20000137 = 0);
NONFAILING(*(uint8_t*)0x20000138 = 0);
NONFAILING(*(uint8_t*)0x20000139 = 0);
NONFAILING(*(uint8_t*)0x2000013a = 0);
NONFAILING(*(uint8_t*)0x2000013b = 0);
NONFAILING(*(uint8_t*)0x2000013c = 0);
NONFAILING(*(uint8_t*)0x2000013d = 0);
NONFAILING(*(uint8_t*)0x2000013e = 0);
NONFAILING(*(uint8_t*)0x2000013f = 0);
NONFAILING(*(uint8_t*)0x20000140 = 0);
NONFAILING(*(uint8_t*)0x20000141 = 0);
NONFAILING(*(uint8_t*)0x20000142 = 0);
NONFAILING(*(uint8_t*)0x20000143 = 0);
NONFAILING(*(uint8_t*)0x20000144 = 0);
NONFAILING(*(uint8_t*)0x20000145 = 0);
NONFAILING(*(uint8_t*)0x20000146 = 0);
NONFAILING(*(uint8_t*)0x20000147 = 0);
NONFAILING(*(uint8_t*)0x20000148 = 0);
NONFAILING(*(uint8_t*)0x20000149 = 0);
NONFAILING(*(uint8_t*)0x2000014a = 0);
NONFAILING(*(uint8_t*)0x2000014b = 0);
NONFAILING(*(uint8_t*)0x2000014c = 0);
NONFAILING(*(uint8_t*)0x2000014d = 0);
NONFAILING(*(uint8_t*)0x2000014e = 0);
NONFAILING(*(uint8_t*)0x2000014f = 0);
NONFAILING(*(uint8_t*)0x20000150 = 0);
NONFAILING(*(uint8_t*)0x20000151 = 0);
NONFAILING(*(uint8_t*)0x20000152 = 0);
NONFAILING(*(uint8_t*)0x20000153 = 0);
NONFAILING(*(uint8_t*)0x20000154 = 0);
NONFAILING(*(uint8_t*)0x20000155 = 0);
NONFAILING(*(uint8_t*)0x20000156 = 0);
NONFAILING(*(uint8_t*)0x20000157 = 0);
NONFAILING(*(uint8_t*)0x20000158 = 0);
NONFAILING(*(uint8_t*)0x20000159 = 0);
NONFAILING(*(uint8_t*)0x2000015a = 0);
NONFAILING(*(uint8_t*)0x2000015b = 0);
NONFAILING(*(uint8_t*)0x2000015c = 0);
NONFAILING(*(uint8_t*)0x2000015d = 0);
NONFAILING(*(uint8_t*)0x2000015e = 0);
NONFAILING(*(uint8_t*)0x2000015f = 0);
NONFAILING(*(uint8_t*)0x20000160 = 0);
NONFAILING(*(uint8_t*)0x20000161 = 0);
NONFAILING(*(uint8_t*)0x20000162 = 0);
NONFAILING(*(uint8_t*)0x20000163 = 0);
NONFAILING(*(uint8_t*)0x20000164 = 0);
NONFAILING(*(uint8_t*)0x20000165 = 0);
NONFAILING(*(uint8_t*)0x20000166 = 0);
NONFAILING(*(uint8_t*)0x20000167 = 0);
NONFAILING(*(uint8_t*)0x20000168 = 0);
NONFAILING(*(uint8_t*)0x20000169 = 0);
NONFAILING(*(uint8_t*)0x2000016a = 0);
NONFAILING(*(uint8_t*)0x2000016b = 0);
NONFAILING(*(uint8_t*)0x2000016c = 0);
NONFAILING(*(uint8_t*)0x2000016d = 0);
NONFAILING(*(uint8_t*)0x2000016e = 0);
NONFAILING(*(uint8_t*)0x2000016f = 0);
NONFAILING(*(uint8_t*)0x20000170 = 0);
NONFAILING(*(uint8_t*)0x20000171 = 0);
NONFAILING(*(uint8_t*)0x20000172 = 0);
NONFAILING(*(uint8_t*)0x20000173 = 0);
NONFAILING(*(uint8_t*)0x20000174 = 0);
NONFAILING(*(uint8_t*)0x20000175 = 0);
NONFAILING(*(uint8_t*)0x20000176 = 0);
NONFAILING(*(uint8_t*)0x20000177 = 0);
NONFAILING(*(uint8_t*)0x20000178 = 0);
NONFAILING(*(uint8_t*)0x20000179 = 0);
NONFAILING(*(uint8_t*)0x2000017a = 0);
NONFAILING(*(uint8_t*)0x2000017b = 0);
NONFAILING(*(uint8_t*)0x2000017c = 0);
NONFAILING(*(uint8_t*)0x2000017d = 0);
NONFAILING(*(uint8_t*)0x2000017e = 0);
NONFAILING(*(uint8_t*)0x2000017f = 0);
NONFAILING(*(uint8_t*)0x20000180 = 0);
NONFAILING(*(uint8_t*)0x20000181 = 0);
NONFAILING(*(uint8_t*)0x20000182 = 0);
NONFAILING(*(uint8_t*)0x20000183 = 0);
NONFAILING(*(uint8_t*)0x20000184 = 0);
NONFAILING(*(uint8_t*)0x20000185 = 0);
NONFAILING(*(uint8_t*)0x20000186 = 0);
NONFAILING(*(uint8_t*)0x20000187 = 0);
NONFAILING(*(uint8_t*)0x20000188 = 0);
NONFAILING(*(uint8_t*)0x20000189 = 0);
NONFAILING(*(uint8_t*)0x2000018a = 0);
NONFAILING(*(uint8_t*)0x2000018b = 0);
NONFAILING(*(uint8_t*)0x2000018c = 0);
NONFAILING(*(uint8_t*)0x2000018d = 0);
NONFAILING(*(uint8_t*)0x2000018e = 0);
NONFAILING(*(uint8_t*)0x2000018f = 0);
NONFAILING(*(uint8_t*)0x20000190 = 0);
NONFAILING(*(uint8_t*)0x20000191 = 0);
NONFAILING(*(uint8_t*)0x20000192 = 0);
NONFAILING(*(uint8_t*)0x20000193 = 0);
NONFAILING(*(uint8_t*)0x20000194 = 0);
NONFAILING(*(uint8_t*)0x20000195 = 0);
NONFAILING(*(uint8_t*)0x20000196 = 0);
NONFAILING(*(uint8_t*)0x20000197 = 0);
NONFAILING(*(uint8_t*)0x20000198 = 0);
NONFAILING(*(uint8_t*)0x20000199 = 0);
NONFAILING(*(uint8_t*)0x2000019a = 0);
NONFAILING(*(uint8_t*)0x2000019b = 0);
NONFAILING(*(uint8_t*)0x2000019c = 0);
NONFAILING(*(uint8_t*)0x2000019d = 0);
NONFAILING(*(uint8_t*)0x2000019e = 0);
NONFAILING(*(uint8_t*)0x2000019f = 0);
NONFAILING(*(uint8_t*)0x200001a0 = 0);
NONFAILING(*(uint8_t*)0x200001a1 = 0);
NONFAILING(*(uint8_t*)0x200001a2 = 0);
NONFAILING(*(uint8_t*)0x200001a3 = 0);
NONFAILING(*(uint8_t*)0x200001a4 = 0);
NONFAILING(*(uint8_t*)0x200001a5 = 0);
NONFAILING(*(uint8_t*)0x200001a6 = 0);
NONFAILING(*(uint8_t*)0x200001a7 = 0);
NONFAILING(*(uint8_t*)0x200001a8 = 0);
NONFAILING(*(uint8_t*)0x200001a9 = 0);
NONFAILING(*(uint8_t*)0x200001aa = 0);
NONFAILING(*(uint8_t*)0x200001ab = 0);
NONFAILING(*(uint8_t*)0x200001ac = 0);
NONFAILING(*(uint8_t*)0x200001ad = 0);
NONFAILING(*(uint8_t*)0x200001ae = 0);
NONFAILING(*(uint8_t*)0x200001af = 0);
NONFAILING(*(uint8_t*)0x200001b0 = 0);
NONFAILING(*(uint8_t*)0x200001b1 = 0);
NONFAILING(*(uint8_t*)0x200001b2 = 0);
NONFAILING(*(uint8_t*)0x200001b3 = 0);
NONFAILING(*(uint8_t*)0x200001b4 = 0);
NONFAILING(*(uint8_t*)0x200001b5 = 0);
NONFAILING(*(uint8_t*)0x200001b6 = 0);
NONFAILING(*(uint8_t*)0x200001b7 = 0);
NONFAILING(*(uint32_t*)0x200001b8 = 0);
NONFAILING(*(uint16_t*)0x200001bc = 0x200);
NONFAILING(*(uint16_t*)0x200001be = 0x268);
NONFAILING(*(uint32_t*)0x200001c0 = 0);
NONFAILING(*(uint64_t*)0x200001c8 = 0);
NONFAILING(*(uint64_t*)0x200001d0 = 0);
NONFAILING(*(uint16_t*)0x200001d8 = 0x158);
NONFAILING(memcpy((void*)0x200001da, "\x68\x61\x73\x68\x6c\x69\x6d\x69\x74"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00",
29));
NONFAILING(*(uint8_t*)0x200001f7 = 3);
NONFAILING(memcpy(
(void*)0x200001f8,
"\x65\x72\x73\x70\x61\x6e\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
255));
NONFAILING(*(uint64_t*)0x200002f8 = 3);
NONFAILING(*(uint64_t*)0x20000300 = 0);
NONFAILING(*(uint32_t*)0x20000308 = 0x42);
NONFAILING(*(uint32_t*)0x2000030c = 0);
NONFAILING(*(uint32_t*)0x20000310 = 0);
NONFAILING(*(uint32_t*)0x20000314 = 0x3ff);
NONFAILING(*(uint32_t*)0x20000318 = 2);
NONFAILING(*(uint32_t*)0x2000031c = 0x80000000);
NONFAILING(*(uint8_t*)0x20000320 = 0);
NONFAILING(*(uint8_t*)0x20000321 = 0);
NONFAILING(*(uint64_t*)0x20000328 = 0);
NONFAILING(*(uint16_t*)0x20000330 = 0x68);
NONFAILING(memcpy((void*)0x20000332, "\x43\x54\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00",
29));
NONFAILING(*(uint8_t*)0x2000034f = 2);
NONFAILING(*(uint16_t*)0x20000350 = 9);
NONFAILING(*(uint16_t*)0x20000352 = 0);
NONFAILING(*(uint32_t*)0x20000354 = 0);
NONFAILING(*(uint32_t*)0x20000358 = 0);
NONFAILING(memcpy(
(void*)0x2000035c,
"\x6e\x65\x74\x62\x69\x6f\x73\x2d\x6e\x73\x00\x00\x00\x00\x00\x00",
16));
NONFAILING(memcpy((void*)0x2000036c, "\x73\x79\x7a\x31\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00",
32));
NONFAILING(*(uint64_t*)0x20000390 = 0);
NONFAILING(*(uint8_t*)0x20000398 = 0);
NONFAILING(*(uint8_t*)0x20000399 = 0);
NONFAILING(*(uint8_t*)0x2000039a = 0);
NONFAILING(*(uint8_t*)0x2000039b = 0);
NONFAILING(*(uint8_t*)0x2000039c = 0);
NONFAILING(*(uint8_t*)0x2000039d = 0);
NONFAILING(*(uint8_t*)0x2000039e = 0);
NONFAILING(*(uint8_t*)0x2000039f = 0);
NONFAILING(*(uint8_t*)0x200003a0 = 0);
NONFAILING(*(uint8_t*)0x200003a1 = 0);
NONFAILING(*(uint8_t*)0x200003a2 = 0);
NONFAILING(*(uint8_t*)0x200003a3 = 0);
NONFAILING(*(uint8_t*)0x200003a4 = 0);
NONFAILING(*(uint8_t*)0x200003a5 = 0);
NONFAILING(*(uint8_t*)0x200003a6 = 0);
NONFAILING(*(uint8_t*)0x200003a7 = 0);
NONFAILING(*(uint8_t*)0x200003a8 = 0);
NONFAILING(*(uint8_t*)0x200003a9 = 0);
NONFAILING(*(uint8_t*)0x200003aa = 0);
NONFAILING(*(uint8_t*)0x200003ab = 0);
NONFAILING(*(uint8_t*)0x200003ac = 0);
NONFAILING(*(uint8_t*)0x200003ad = 0);
NONFAILING(*(uint8_t*)0x200003ae = 0);
NONFAILING(*(uint8_t*)0x200003af = 0);
NONFAILING(*(uint8_t*)0x200003b0 = 0);
NONFAILING(*(uint8_t*)0x200003b1 = 0);
NONFAILING(*(uint8_t*)0x200003b2 = 0);
NONFAILING(*(uint8_t*)0x200003b3 = 0);
NONFAILING(*(uint8_t*)0x200003b4 = 0);
NONFAILING(*(uint8_t*)0x200003b5 = 0);
NONFAILING(*(uint8_t*)0x200003b6 = 0);
NONFAILING(*(uint8_t*)0x200003b7 = 0);
NONFAILING(*(uint8_t*)0x200003b8 = 0);
NONFAILING(*(uint8_t*)0x200003b9 = 0);
NONFAILING(*(uint8_t*)0x200003ba = 0);
NONFAILING(*(uint8_t*)0x200003bb = 0);
NONFAILING(*(uint8_t*)0x200003bc = 0);
NONFAILING(*(uint8_t*)0x200003bd = 0);
NONFAILING(*(uint8_t*)0x200003be = 0);
NONFAILING(*(uint8_t*)0x200003bf = 0);
NONFAILING(*(uint8_t*)0x200003c0 = 0);
NONFAILING(*(uint8_t*)0x200003c1 = 0);
NONFAILING(*(uint8_t*)0x200003c2 = 0);
NONFAILING(*(uint8_t*)0x200003c3 = 0);
NONFAILING(*(uint8_t*)0x200003c4 = 0);
NONFAILING(*(uint8_t*)0x200003c5 = 0);
NONFAILING(*(uint8_t*)0x200003c6 = 0);
NONFAILING(*(uint8_t*)0x200003c7 = 0);
NONFAILING(*(uint8_t*)0x200003c8 = 0);
NONFAILING(*(uint8_t*)0x200003c9 = 0);
NONFAILING(*(uint8_t*)0x200003ca = 0);
NONFAILING(*(uint8_t*)0x200003cb = 0);
NONFAILING(*(uint8_t*)0x200003cc = 0);
NONFAILING(*(uint8_t*)0x200003cd = 0);
NONFAILING(*(uint8_t*)0x200003ce = 0);
NONFAILING(*(uint8_t*)0x200003cf = 0);
NONFAILING(*(uint8_t*)0x200003d0 = 0);
NONFAILING(*(uint8_t*)0x200003d1 = 0);
NONFAILING(*(uint8_t*)0x200003d2 = 0);
NONFAILING(*(uint8_t*)0x200003d3 = 0);
NONFAILING(*(uint8_t*)0x200003d4 = 0);
NONFAILING(*(uint8_t*)0x200003d5 = 0);
NONFAILING(*(uint8_t*)0x200003d6 = 0);
NONFAILING(*(uint8_t*)0x200003d7 = 0);
NONFAILING(*(uint8_t*)0x200003d8 = 0);
NONFAILING(*(uint8_t*)0x200003d9 = 0);
NONFAILING(*(uint8_t*)0x200003da = 0);
NONFAILING(*(uint8_t*)0x200003db = 0);
NONFAILING(*(uint8_t*)0x200003dc = 0);
NONFAILING(*(uint8_t*)0x200003dd = 0);
NONFAILING(*(uint8_t*)0x200003de = 0);
NONFAILING(*(uint8_t*)0x200003df = 0);
NONFAILING(*(uint8_t*)0x200003e0 = 0);
NONFAILING(*(uint8_t*)0x200003e1 = 0);
NONFAILING(*(uint8_t*)0x200003e2 = 0);
NONFAILING(*(uint8_t*)0x200003e3 = 0);
NONFAILING(*(uint8_t*)0x200003e4 = 0);
NONFAILING(*(uint8_t*)0x200003e5 = 0);
NONFAILING(*(uint8_t*)0x200003e6 = 0);
NONFAILING(*(uint8_t*)0x200003e7 = 0);
NONFAILING(*(uint8_t*)0x200003e8 = 0);
NONFAILING(*(uint8_t*)0x200003e9 = 0);
NONFAILING(*(uint8_t*)0x200003ea = 0);
NONFAILING(*(uint8_t*)0x200003eb = 0);
NONFAILING(*(uint8_t*)0x200003ec = 0);
NONFAILING(*(uint8_t*)0x200003ed = 0);
NONFAILING(*(uint8_t*)0x200003ee = 0);
NONFAILING(*(uint8_t*)0x200003ef = 0);
NONFAILING(*(uint8_t*)0x200003f0 = 0);
NONFAILING(*(uint8_t*)0x200003f1 = 0);
NONFAILING(*(uint8_t*)0x200003f2 = 0);
NONFAILING(*(uint8_t*)0x200003f3 = 0);
NONFAILING(*(uint8_t*)0x200003f4 = 0);
NONFAILING(*(uint8_t*)0x200003f5 = 0);
NONFAILING(*(uint8_t*)0x200003f6 = 0);
NONFAILING(*(uint8_t*)0x200003f7 = 0);
NONFAILING(*(uint8_t*)0x200003f8 = 0);
NONFAILING(*(uint8_t*)0x200003f9 = 0);
NONFAILING(*(uint8_t*)0x200003fa = 0);
NONFAILING(*(uint8_t*)0x200003fb = 0);
NONFAILING(*(uint8_t*)0x200003fc = 0);
NONFAILING(*(uint8_t*)0x200003fd = 0);
NONFAILING(*(uint8_t*)0x200003fe = 0);
NONFAILING(*(uint8_t*)0x200003ff = 0);
NONFAILING(*(uint8_t*)0x20000400 = 0);
NONFAILING(*(uint8_t*)0x20000401 = 0);
NONFAILING(*(uint8_t*)0x20000402 = 0);
NONFAILING(*(uint8_t*)0x20000403 = 0);
NONFAILING(*(uint8_t*)0x20000404 = 0);
NONFAILING(*(uint8_t*)0x20000405 = 0);
NONFAILING(*(uint8_t*)0x20000406 = 0);
NONFAILING(*(uint8_t*)0x20000407 = 0);
NONFAILING(*(uint8_t*)0x20000408 = 0);
NONFAILING(*(uint8_t*)0x20000409 = 0);
NONFAILING(*(uint8_t*)0x2000040a = 0);
NONFAILING(*(uint8_t*)0x2000040b = 0);
NONFAILING(*(uint8_t*)0x2000040c = 0);
NONFAILING(*(uint8_t*)0x2000040d = 0);
NONFAILING(*(uint8_t*)0x2000040e = 0);
NONFAILING(*(uint8_t*)0x2000040f = 0);
NONFAILING(*(uint8_t*)0x20000410 = 0);
NONFAILING(*(uint8_t*)0x20000411 = 0);
NONFAILING(*(uint8_t*)0x20000412 = 0);
NONFAILING(*(uint8_t*)0x20000413 = 0);
NONFAILING(*(uint8_t*)0x20000414 = 0);
NONFAILING(*(uint8_t*)0x20000415 = 0);
NONFAILING(*(uint8_t*)0x20000416 = 0);
NONFAILING(*(uint8_t*)0x20000417 = 0);
NONFAILING(*(uint8_t*)0x20000418 = 0);
NONFAILING(*(uint8_t*)0x20000419 = 0);
NONFAILING(*(uint8_t*)0x2000041a = 0);
NONFAILING(*(uint8_t*)0x2000041b = 0);
NONFAILING(*(uint8_t*)0x2000041c = 0);
NONFAILING(*(uint8_t*)0x2000041d = 0);
NONFAILING(*(uint8_t*)0x2000041e = 0);
NONFAILING(*(uint8_t*)0x2000041f = 0);
NONFAILING(*(uint32_t*)0x20000420 = 0);
NONFAILING(*(uint16_t*)0x20000424 = 0xa8);
NONFAILING(*(uint16_t*)0x20000426 = 0xd0);
NONFAILING(*(uint32_t*)0x20000428 = 0);
NONFAILING(*(uint64_t*)0x20000430 = 0);
NONFAILING(*(uint64_t*)0x20000438 = 0);
NONFAILING(*(uint16_t*)0x20000440 = 0x28);
NONFAILING(memcpy((void*)0x20000442, "\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00",
29));
NONFAILING(*(uint8_t*)0x2000045f = 0);
NONFAILING(*(uint32_t*)0x20000460 = 0xfffffffe);
syscall(__NR_setsockopt, r[0], 0x29, 0x40, 0x20000000, 0x468);
break;
case 2:
NONFAILING(memcpy((void*)0x200e1000, "\xf3\xe8\x50\xef\x10\x49", 6));
NONFAILING(*(uint8_t*)0x200e1006 = -1);
NONFAILING(*(uint8_t*)0x200e1007 = -1);
NONFAILING(*(uint8_t*)0x200e1008 = -1);
NONFAILING(*(uint8_t*)0x200e1009 = -1);
NONFAILING(*(uint8_t*)0x200e100a = -1);
NONFAILING(*(uint8_t*)0x200e100b = -1);
NONFAILING(*(uint16_t*)0x200e100c = htobe16(0x806));
NONFAILING(*(uint16_t*)0x200e100e = htobe16(1));
NONFAILING(*(uint16_t*)0x200e1010 = htobe16(0x800));
NONFAILING(*(uint8_t*)0x200e1012 = 6);
NONFAILING(*(uint8_t*)0x200e1013 = 4);
NONFAILING(*(uint16_t*)0x200e1014 = htobe16(1));
NONFAILING(memcpy((void*)0x200e1016, "\x56\x9c\xd5\x69\xf6\xad", 6));
NONFAILING(*(uint32_t*)0x200e101c = htobe32(0));
NONFAILING(*(uint8_t*)0x200e1020 = -1);
NONFAILING(*(uint8_t*)0x200e1021 = -1);
NONFAILING(*(uint8_t*)0x200e1022 = -1);
NONFAILING(*(uint8_t*)0x200e1023 = -1);
NONFAILING(*(uint8_t*)0x200e1024 = -1);
NONFAILING(*(uint8_t*)0x200e1025 = -1);
NONFAILING(*(uint8_t*)0x200e1026 = 0xac);
NONFAILING(*(uint8_t*)0x200e1027 = 0x14);
NONFAILING(*(uint8_t*)0x200e1028 = 0 + procid * 1);
NONFAILING(*(uint8_t*)0x200e1029 = 0xaa);
syz_emit_ethernet(0x2a, 0x200e1000, 0);
break;
}
}
void test()
{
memset(r, -1, sizeof(r));
execute(3);
collide = 1;
execute(3);
}
int main()
{
syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
char* cwd = get_current_dir_name();
for (procid = 0; procid < 8; procid++) {
if (fork() == 0) {
install_segv_handler();
for (;;) {
if (chdir(cwd))
fail("failed to chdir");
use_temporary_dir();
int pid = do_sandbox_namespace(procid, true);
int status = 0;
while (waitpid(pid, &status, __WALL) != pid) {
}
}
}
}
sleep(1000000);
return 0;
}