// https://syzkaller.appspot.com/bug?id=011917f43a842b902d7c6670df3cf463ed06dc85
// autogenerated by syzkaller (https://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <pthread.h>
#include <sched.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/epoll.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <linux/capability.h>
#include <linux/futex.h>
#include <linux/genetlink.h>
#include <linux/if_addr.h>
#include <linux/if_ether.h>
#include <linux/if_link.h>
#include <linux/in6.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/nl80211.h>
#include <linux/rfkill.h>
#include <linux/rtnetlink.h>
#include <linux/veth.h>
#ifndef __NR_io_uring_enter
#define __NR_io_uring_enter 426
#endif
#ifndef __NR_io_uring_setup
#define __NR_io_uring_setup 425
#endif
static unsigned long long procid;
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 use_temporary_dir(void)
{
char tmpdir_template[] = "./syzkaller.XXXXXX";
char* tmpdir = mkdtemp(tmpdir_template);
if (!tmpdir)
exit(1);
if (chmod(tmpdir, 0777))
exit(1);
if (chdir(tmpdir))
exit(1);
}
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 {
int state;
} event_t;
static void event_init(event_t* ev)
{
ev->state = 0;
}
static void event_reset(event_t* ev)
{
ev->state = 0;
}
static void event_set(event_t* ev)
{
if (ev->state)
exit(1);
__atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000);
}
static void event_wait(event_t* ev)
{
while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}
static int event_isset(event_t* ev)
{
return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}
static int event_timedwait(event_t* ev, uint64_t timeout)
{
uint64_t start = current_time_ms();
uint64_t now = start;
for (;;) {
uint64_t remain = timeout - (now - start);
struct timespec ts;
ts.tv_sec = remain / 1000;
ts.tv_nsec = (remain % 1000) * 1000 * 1000;
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
return 1;
now = current_time_ms();
if (now - start > timeout)
return 0;
}
}
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) {
int err = errno;
close(fd);
errno = err;
return false;
}
close(fd);
return true;
}
struct nlmsg {
char* pos;
int nesting;
struct nlattr* nested[8];
char buf[4096];
};
static void netlink_init(struct nlmsg* nlmsg, int typ, int flags,
const void* data, int size)
{
memset(nlmsg, 0, sizeof(*nlmsg));
struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
hdr->nlmsg_type = typ;
hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;
memcpy(hdr + 1, data, size);
nlmsg->pos = (char*)(hdr + 1) + NLMSG_ALIGN(size);
}
static void netlink_attr(struct nlmsg* nlmsg, int typ, const void* data,
int size)
{
struct nlattr* attr = (struct nlattr*)nlmsg->pos;
attr->nla_len = sizeof(*attr) + size;
attr->nla_type = typ;
if (size > 0)
memcpy(attr + 1, data, size);
nlmsg->pos += NLMSG_ALIGN(attr->nla_len);
}
static void netlink_nest(struct nlmsg* nlmsg, int typ)
{
struct nlattr* attr = (struct nlattr*)nlmsg->pos;
attr->nla_type = typ;
nlmsg->pos += sizeof(*attr);
nlmsg->nested[nlmsg->nesting++] = attr;
}
static void netlink_done(struct nlmsg* nlmsg)
{
struct nlattr* attr = nlmsg->nested[--nlmsg->nesting];
attr->nla_len = nlmsg->pos - (char*)attr;
}
static int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type,
int* reply_len, bool dofail)
{
if (nlmsg->pos > nlmsg->buf + sizeof(nlmsg->buf) || nlmsg->nesting)
exit(1);
struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
hdr->nlmsg_len = nlmsg->pos - nlmsg->buf;
struct sockaddr_nl addr;
memset(&addr, 0, sizeof(addr));
addr.nl_family = AF_NETLINK;
ssize_t n = sendto(sock, nlmsg->buf, hdr->nlmsg_len, 0,
(struct sockaddr*)&addr, sizeof(addr));
if (n != (ssize_t)hdr->nlmsg_len) {
if (dofail)
exit(1);
return -1;
}
n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
if (reply_len)
*reply_len = 0;
if (n < 0) {
if (dofail)
exit(1);
return -1;
}
if (n < (ssize_t)sizeof(struct nlmsghdr)) {
errno = EINVAL;
if (dofail)
exit(1);
return -1;
}
if (hdr->nlmsg_type == NLMSG_DONE)
return 0;
if (reply_len && hdr->nlmsg_type == reply_type) {
*reply_len = n;
return 0;
}
if (n < (ssize_t)(sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))) {
errno = EINVAL;
if (dofail)
exit(1);
return -1;
}
if (hdr->nlmsg_type != NLMSG_ERROR) {
errno = EINVAL;
if (dofail)
exit(1);
return -1;
}
errno = -((struct nlmsgerr*)(hdr + 1))->error;
return -errno;
}
static int netlink_send(struct nlmsg* nlmsg, int sock)
{
return netlink_send_ext(nlmsg, sock, 0, NULL, true);
}
static int netlink_query_family_id(struct nlmsg* nlmsg, int sock,
const char* family_name, bool dofail)
{
struct genlmsghdr genlhdr;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = CTRL_CMD_GETFAMILY;
netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, family_name,
strnlen(family_name, GENL_NAMSIZ - 1) + 1);
int n = 0;
int err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n, dofail);
if (err < 0) {
return -1;
}
uint16_t id = 0;
struct nlattr* attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN +
NLMSG_ALIGN(sizeof(genlhdr)));
for (; (char*)attr < nlmsg->buf + n;
attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
if (attr->nla_type == CTRL_ATTR_FAMILY_ID) {
id = *(uint16_t*)(attr + 1);
break;
}
}
if (!id) {
errno = EINVAL;
return -1;
}
recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
return id;
}
static void netlink_add_device_impl(struct nlmsg* nlmsg, const char* type,
const char* name, bool up)
{
struct ifinfomsg hdr;
memset(&hdr, 0, sizeof(hdr));
if (up)
hdr.ifi_flags = hdr.ifi_change = IFF_UP;
netlink_init(nlmsg, RTM_NEWLINK, NLM_F_EXCL | NLM_F_CREATE, &hdr,
sizeof(hdr));
if (name)
netlink_attr(nlmsg, IFLA_IFNAME, name, strlen(name));
netlink_nest(nlmsg, IFLA_LINKINFO);
netlink_attr(nlmsg, IFLA_INFO_KIND, type, strlen(type));
}
static void netlink_device_change(struct nlmsg* nlmsg, int sock,
const char* name, bool up, const char* master,
const void* mac, int macsize,
const char* new_name)
{
struct ifinfomsg hdr;
memset(&hdr, 0, sizeof(hdr));
if (up)
hdr.ifi_flags = hdr.ifi_change = IFF_UP;
hdr.ifi_index = if_nametoindex(name);
netlink_init(nlmsg, RTM_NEWLINK, 0, &hdr, sizeof(hdr));
if (new_name)
netlink_attr(nlmsg, IFLA_IFNAME, new_name, strlen(new_name));
if (master) {
int ifindex = if_nametoindex(master);
netlink_attr(nlmsg, IFLA_MASTER, &ifindex, sizeof(ifindex));
}
if (macsize)
netlink_attr(nlmsg, IFLA_ADDRESS, mac, macsize);
int err = netlink_send(nlmsg, sock);
if (err < 0) {
}
}
static struct nlmsg nlmsg;
#define WIFI_INITIAL_DEVICE_COUNT 2
#define WIFI_MAC_BASE \
{ \
0x08, 0x02, 0x11, 0x00, 0x00, 0x00 \
}
#define WIFI_IBSS_BSSID \
{ \
0x50, 0x50, 0x50, 0x50, 0x50, 0x50 \
}
#define WIFI_IBSS_SSID \
{ \
0x10, 0x10, 0x10, 0x10, 0x10, 0x10 \
}
#define WIFI_DEFAULT_FREQUENCY 2412
#define WIFI_DEFAULT_SIGNAL 0
#define WIFI_DEFAULT_RX_RATE 1
#define HWSIM_CMD_REGISTER 1
#define HWSIM_CMD_FRAME 2
#define HWSIM_CMD_NEW_RADIO 4
#define HWSIM_ATTR_SUPPORT_P2P_DEVICE 14
#define HWSIM_ATTR_PERM_ADDR 22
#define IF_OPER_UP 6
struct join_ibss_props {
int wiphy_freq;
bool wiphy_freq_fixed;
uint8_t* mac;
uint8_t* ssid;
int ssid_len;
};
static int set_interface_state(const char* interface_name, int on)
{
struct ifreq ifr;
int sock = socket(AF_INET, SOCK_DGRAM, 0);
if (sock < 0) {
return -1;
}
memset(&ifr, 0, sizeof(ifr));
strcpy(ifr.ifr_name, interface_name);
int ret = ioctl(sock, SIOCGIFFLAGS, &ifr);
if (ret < 0) {
close(sock);
return -1;
}
if (on)
ifr.ifr_flags |= IFF_UP;
else
ifr.ifr_flags &= ~IFF_UP;
ret = ioctl(sock, SIOCSIFFLAGS, &ifr);
close(sock);
if (ret < 0) {
return -1;
}
return 0;
}
static int nl80211_set_interface(struct nlmsg* nlmsg, int sock,
int nl80211_family, uint32_t ifindex,
uint32_t iftype)
{
struct genlmsghdr genlhdr;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = NL80211_CMD_SET_INTERFACE;
netlink_init(nlmsg, nl80211_family, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(nlmsg, NL80211_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
netlink_attr(nlmsg, NL80211_ATTR_IFTYPE, &iftype, sizeof(iftype));
int err = netlink_send(nlmsg, sock);
if (err < 0) {
}
return err;
}
static int nl80211_join_ibss(struct nlmsg* nlmsg, int sock, int nl80211_family,
uint32_t ifindex, struct join_ibss_props* props)
{
struct genlmsghdr genlhdr;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = NL80211_CMD_JOIN_IBSS;
netlink_init(nlmsg, nl80211_family, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(nlmsg, NL80211_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
netlink_attr(nlmsg, NL80211_ATTR_SSID, props->ssid, props->ssid_len);
netlink_attr(nlmsg, NL80211_ATTR_WIPHY_FREQ, &(props->wiphy_freq),
sizeof(props->wiphy_freq));
if (props->mac)
netlink_attr(nlmsg, NL80211_ATTR_MAC, props->mac, ETH_ALEN);
if (props->wiphy_freq_fixed)
netlink_attr(nlmsg, NL80211_ATTR_FREQ_FIXED, NULL, 0);
int err = netlink_send(nlmsg, sock);
if (err < 0) {
}
return err;
}
static int get_ifla_operstate(struct nlmsg* nlmsg, int ifindex)
{
struct ifinfomsg info;
memset(&info, 0, sizeof(info));
info.ifi_family = AF_UNSPEC;
info.ifi_index = ifindex;
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1) {
return -1;
}
netlink_init(nlmsg, RTM_GETLINK, 0, &info, sizeof(info));
int n;
int err = netlink_send_ext(nlmsg, sock, RTM_NEWLINK, &n, true);
close(sock);
if (err) {
return -1;
}
struct rtattr* attr = IFLA_RTA(NLMSG_DATA(nlmsg->buf));
for (; RTA_OK(attr, n); attr = RTA_NEXT(attr, n)) {
if (attr->rta_type == IFLA_OPERSTATE)
return *((int32_t*)RTA_DATA(attr));
}
return -1;
}
static int await_ifla_operstate(struct nlmsg* nlmsg, char* interface,
int operstate)
{
int ifindex = if_nametoindex(interface);
while (true) {
usleep(1000);
int ret = get_ifla_operstate(nlmsg, ifindex);
if (ret < 0)
return ret;
if (ret == operstate)
return 0;
}
return 0;
}
static int nl80211_setup_ibss_interface(struct nlmsg* nlmsg, int sock,
int nl80211_family_id, char* interface,
struct join_ibss_props* ibss_props)
{
int ifindex = if_nametoindex(interface);
if (ifindex == 0) {
return -1;
}
int ret = nl80211_set_interface(nlmsg, sock, nl80211_family_id, ifindex,
NL80211_IFTYPE_ADHOC);
if (ret < 0) {
return -1;
}
ret = set_interface_state(interface, 1);
if (ret < 0) {
return -1;
}
ret = nl80211_join_ibss(nlmsg, sock, nl80211_family_id, ifindex, ibss_props);
if (ret < 0) {
return -1;
}
return 0;
}
static int hwsim80211_create_device(struct nlmsg* nlmsg, int sock,
int hwsim_family,
uint8_t mac_addr[ETH_ALEN])
{
struct genlmsghdr genlhdr;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = HWSIM_CMD_NEW_RADIO;
netlink_init(nlmsg, hwsim_family, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(nlmsg, HWSIM_ATTR_SUPPORT_P2P_DEVICE, NULL, 0);
netlink_attr(nlmsg, HWSIM_ATTR_PERM_ADDR, mac_addr, ETH_ALEN);
int err = netlink_send(nlmsg, sock);
if (err < 0) {
}
return err;
}
static void initialize_wifi_devices(void)
{
int rfkill = open("/dev/rfkill", O_RDWR);
if (rfkill == -1) {
if (errno != ENOENT && errno != EACCES)
exit(1);
} else {
struct rfkill_event event = {0};
event.type = RFKILL_TYPE_ALL;
event.op = RFKILL_OP_CHANGE_ALL;
if (write(rfkill, &event, sizeof(event)) != (ssize_t)(sizeof(event)))
exit(1);
close(rfkill);
}
uint8_t mac_addr[6] = WIFI_MAC_BASE;
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
if (sock < 0) {
return;
}
int hwsim_family_id =
netlink_query_family_id(&nlmsg, sock, "MAC80211_HWSIM", true);
int nl80211_family_id =
netlink_query_family_id(&nlmsg, sock, "nl80211", true);
uint8_t ssid[] = WIFI_IBSS_SSID;
uint8_t bssid[] = WIFI_IBSS_BSSID;
struct join_ibss_props ibss_props = {.wiphy_freq = WIFI_DEFAULT_FREQUENCY,
.wiphy_freq_fixed = true,
.mac = bssid,
.ssid = ssid,
.ssid_len = sizeof(ssid)};
for (int device_id = 0; device_id < WIFI_INITIAL_DEVICE_COUNT; device_id++) {
mac_addr[5] = device_id;
int ret = hwsim80211_create_device(&nlmsg, sock, hwsim_family_id, mac_addr);
if (ret < 0)
exit(1);
char interface[6] = "wlan0";
interface[4] += device_id;
if (nl80211_setup_ibss_interface(&nlmsg, sock, nl80211_family_id, interface,
&ibss_props) < 0)
exit(1);
}
for (int device_id = 0; device_id < WIFI_INITIAL_DEVICE_COUNT; device_id++) {
char interface[6] = "wlan0";
interface[4] += device_id;
int ret = await_ifla_operstate(&nlmsg, interface, IF_OPER_UP);
if (ret < 0)
exit(1);
}
close(sock);
}
#define SIZEOF_IO_URING_SQE 64
#define SIZEOF_IO_URING_CQE 16
#define SQ_HEAD_OFFSET 0
#define SQ_TAIL_OFFSET 64
#define SQ_RING_MASK_OFFSET 256
#define SQ_RING_ENTRIES_OFFSET 264
#define SQ_FLAGS_OFFSET 276
#define SQ_DROPPED_OFFSET 272
#define CQ_HEAD_OFFSET 128
#define CQ_TAIL_OFFSET 192
#define CQ_RING_MASK_OFFSET 260
#define CQ_RING_ENTRIES_OFFSET 268
#define CQ_RING_OVERFLOW_OFFSET 284
#define CQ_FLAGS_OFFSET 280
#define CQ_CQES_OFFSET 320
struct io_sqring_offsets {
uint32_t head;
uint32_t tail;
uint32_t ring_mask;
uint32_t ring_entries;
uint32_t flags;
uint32_t dropped;
uint32_t array;
uint32_t resv1;
uint64_t resv2;
};
struct io_cqring_offsets {
uint32_t head;
uint32_t tail;
uint32_t ring_mask;
uint32_t ring_entries;
uint32_t overflow;
uint32_t cqes;
uint64_t resv[2];
};
struct io_uring_params {
uint32_t sq_entries;
uint32_t cq_entries;
uint32_t flags;
uint32_t sq_thread_cpu;
uint32_t sq_thread_idle;
uint32_t features;
uint32_t resv[4];
struct io_sqring_offsets sq_off;
struct io_cqring_offsets cq_off;
};
#define IORING_OFF_SQ_RING 0
#define IORING_OFF_SQES 0x10000000ULL
static long syz_io_uring_setup(volatile long a0, volatile long a1,
volatile long a2, volatile long a3,
volatile long a4, volatile long a5)
{
uint32_t entries = (uint32_t)a0;
struct io_uring_params* setup_params = (struct io_uring_params*)a1;
void* vma1 = (void*)a2;
void* vma2 = (void*)a3;
void** ring_ptr_out = (void**)a4;
void** sqes_ptr_out = (void**)a5;
uint32_t fd_io_uring = syscall(__NR_io_uring_setup, entries, setup_params);
uint32_t sq_ring_sz =
setup_params->sq_off.array + setup_params->sq_entries * sizeof(uint32_t);
uint32_t cq_ring_sz = setup_params->cq_off.cqes +
setup_params->cq_entries * SIZEOF_IO_URING_CQE;
uint32_t ring_sz = sq_ring_sz > cq_ring_sz ? sq_ring_sz : cq_ring_sz;
*ring_ptr_out = mmap(vma1, ring_sz, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_POPULATE | MAP_FIXED, fd_io_uring,
IORING_OFF_SQ_RING);
uint32_t sqes_sz = setup_params->sq_entries * SIZEOF_IO_URING_SQE;
*sqes_ptr_out =
mmap(vma2, sqes_sz, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_POPULATE | MAP_FIXED, fd_io_uring, IORING_OFF_SQES);
return fd_io_uring;
}
static long syz_io_uring_submit(volatile long a0, volatile long a1,
volatile long a2, volatile long a3)
{
char* ring_ptr = (char*)a0;
char* sqes_ptr = (char*)a1;
char* sqe = (char*)a2;
uint32_t sqes_index = (uint32_t)a3;
uint32_t sq_ring_entries = *(uint32_t*)(ring_ptr + SQ_RING_ENTRIES_OFFSET);
uint32_t cq_ring_entries = *(uint32_t*)(ring_ptr + CQ_RING_ENTRIES_OFFSET);
uint32_t sq_array_off =
(CQ_CQES_OFFSET + cq_ring_entries * SIZEOF_IO_URING_CQE + 63) & ~63;
if (sq_ring_entries)
sqes_index %= sq_ring_entries;
char* sqe_dest = sqes_ptr + sqes_index * SIZEOF_IO_URING_SQE;
memcpy(sqe_dest, sqe, SIZEOF_IO_URING_SQE);
uint32_t sq_ring_mask = *(uint32_t*)(ring_ptr + SQ_RING_MASK_OFFSET);
uint32_t* sq_tail_ptr = (uint32_t*)(ring_ptr + SQ_TAIL_OFFSET);
uint32_t sq_tail = *sq_tail_ptr & sq_ring_mask;
uint32_t sq_tail_next = *sq_tail_ptr + 1;
uint32_t* sq_array = (uint32_t*)(ring_ptr + sq_array_off);
*(sq_array + sq_tail) = sqes_index;
__atomic_store_n(sq_tail_ptr, sq_tail_next, __ATOMIC_RELEASE);
return 0;
}
#define MAX_FDS 30
#define BTPROTO_HCI 1
#define ACL_LINK 1
#define SCAN_PAGE 2
typedef struct {
uint8_t b[6];
} __attribute__((packed)) bdaddr_t;
#define HCI_COMMAND_PKT 1
#define HCI_EVENT_PKT 4
#define HCI_VENDOR_PKT 0xff
struct hci_command_hdr {
uint16_t opcode;
uint8_t plen;
} __attribute__((packed));
struct hci_event_hdr {
uint8_t evt;
uint8_t plen;
} __attribute__((packed));
#define HCI_EV_CONN_COMPLETE 0x03
struct hci_ev_conn_complete {
uint8_t status;
uint16_t handle;
bdaddr_t bdaddr;
uint8_t link_type;
uint8_t encr_mode;
} __attribute__((packed));
#define HCI_EV_CONN_REQUEST 0x04
struct hci_ev_conn_request {
bdaddr_t bdaddr;
uint8_t dev_class[3];
uint8_t link_type;
} __attribute__((packed));
#define HCI_EV_REMOTE_FEATURES 0x0b
struct hci_ev_remote_features {
uint8_t status;
uint16_t handle;
uint8_t features[8];
} __attribute__((packed));
#define HCI_EV_CMD_COMPLETE 0x0e
struct hci_ev_cmd_complete {
uint8_t ncmd;
uint16_t opcode;
} __attribute__((packed));
#define HCI_OP_WRITE_SCAN_ENABLE 0x0c1a
#define HCI_OP_READ_BUFFER_SIZE 0x1005
struct hci_rp_read_buffer_size {
uint8_t status;
uint16_t acl_mtu;
uint8_t sco_mtu;
uint16_t acl_max_pkt;
uint16_t sco_max_pkt;
} __attribute__((packed));
#define HCI_OP_READ_BD_ADDR 0x1009
struct hci_rp_read_bd_addr {
uint8_t status;
bdaddr_t bdaddr;
} __attribute__((packed));
#define HCI_EV_LE_META 0x3e
struct hci_ev_le_meta {
uint8_t subevent;
} __attribute__((packed));
#define HCI_EV_LE_CONN_COMPLETE 0x01
struct hci_ev_le_conn_complete {
uint8_t status;
uint16_t handle;
uint8_t role;
uint8_t bdaddr_type;
bdaddr_t bdaddr;
uint16_t interval;
uint16_t latency;
uint16_t supervision_timeout;
uint8_t clk_accurancy;
} __attribute__((packed));
struct hci_dev_req {
uint16_t dev_id;
uint32_t dev_opt;
};
struct vhci_vendor_pkt_request {
uint8_t type;
uint8_t opcode;
} __attribute__((packed));
struct vhci_pkt {
uint8_t type;
union {
struct {
uint8_t opcode;
uint16_t id;
} __attribute__((packed)) vendor_pkt;
struct hci_command_hdr command_hdr;
};
} __attribute__((packed));
#define HCIDEVUP _IOW('H', 201, int)
#define HCISETSCAN _IOW('H', 221, int)
static int vhci_fd = -1;
static void rfkill_unblock_all()
{
int fd = open("/dev/rfkill", O_WRONLY);
if (fd < 0)
exit(1);
struct rfkill_event event = {0};
event.idx = 0;
event.type = RFKILL_TYPE_ALL;
event.op = RFKILL_OP_CHANGE_ALL;
event.soft = 0;
event.hard = 0;
if (write(fd, &event, sizeof(event)) < 0)
exit(1);
close(fd);
}
static void hci_send_event_packet(int fd, uint8_t evt, void* data,
size_t data_len)
{
struct iovec iv[3];
struct hci_event_hdr hdr;
hdr.evt = evt;
hdr.plen = data_len;
uint8_t type = HCI_EVENT_PKT;
iv[0].iov_base = &type;
iv[0].iov_len = sizeof(type);
iv[1].iov_base = &hdr;
iv[1].iov_len = sizeof(hdr);
iv[2].iov_base = data;
iv[2].iov_len = data_len;
if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0)
exit(1);
}
static void hci_send_event_cmd_complete(int fd, uint16_t opcode, void* data,
size_t data_len)
{
struct iovec iv[4];
struct hci_event_hdr hdr;
hdr.evt = HCI_EV_CMD_COMPLETE;
hdr.plen = sizeof(struct hci_ev_cmd_complete) + data_len;
struct hci_ev_cmd_complete evt_hdr;
evt_hdr.ncmd = 1;
evt_hdr.opcode = opcode;
uint8_t type = HCI_EVENT_PKT;
iv[0].iov_base = &type;
iv[0].iov_len = sizeof(type);
iv[1].iov_base = &hdr;
iv[1].iov_len = sizeof(hdr);
iv[2].iov_base = &evt_hdr;
iv[2].iov_len = sizeof(evt_hdr);
iv[3].iov_base = data;
iv[3].iov_len = data_len;
if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0)
exit(1);
}
static bool process_command_pkt(int fd, char* buf, ssize_t buf_size)
{
struct hci_command_hdr* hdr = (struct hci_command_hdr*)buf;
if (buf_size < (ssize_t)sizeof(struct hci_command_hdr) ||
hdr->plen != buf_size - sizeof(struct hci_command_hdr))
exit(1);
switch (hdr->opcode) {
case HCI_OP_WRITE_SCAN_ENABLE: {
uint8_t status = 0;
hci_send_event_cmd_complete(fd, hdr->opcode, &status, sizeof(status));
return true;
}
case HCI_OP_READ_BD_ADDR: {
struct hci_rp_read_bd_addr rp = {0};
rp.status = 0;
memset(&rp.bdaddr, 0xaa, 6);
hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp));
return false;
}
case HCI_OP_READ_BUFFER_SIZE: {
struct hci_rp_read_buffer_size rp = {0};
rp.status = 0;
rp.acl_mtu = 1021;
rp.sco_mtu = 96;
rp.acl_max_pkt = 4;
rp.sco_max_pkt = 6;
hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp));
return false;
}
}
char dummy[0xf9] = {0};
hci_send_event_cmd_complete(fd, hdr->opcode, dummy, sizeof(dummy));
return false;
}
static void* event_thread(void* arg)
{
while (1) {
char buf[1024] = {0};
ssize_t buf_size = read(vhci_fd, buf, sizeof(buf));
if (buf_size < 0)
exit(1);
if (buf_size > 0 && buf[0] == HCI_COMMAND_PKT) {
if (process_command_pkt(vhci_fd, buf + 1, buf_size - 1))
break;
}
}
return NULL;
}
#define HCI_HANDLE_1 200
#define HCI_HANDLE_2 201
#define HCI_PRIMARY 0
#define HCI_OP_RESET 0x0c03
static void initialize_vhci()
{
int hci_sock = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
if (hci_sock < 0)
exit(1);
vhci_fd = open("/dev/vhci", O_RDWR);
if (vhci_fd == -1)
exit(1);
const int kVhciFd = 202;
if (dup2(vhci_fd, kVhciFd) < 0)
exit(1);
close(vhci_fd);
vhci_fd = kVhciFd;
struct vhci_vendor_pkt_request vendor_pkt_req = {HCI_VENDOR_PKT, HCI_PRIMARY};
if (write(vhci_fd, &vendor_pkt_req, sizeof(vendor_pkt_req)) !=
sizeof(vendor_pkt_req))
exit(1);
struct vhci_pkt vhci_pkt;
if (read(vhci_fd, &vhci_pkt, sizeof(vhci_pkt)) != sizeof(vhci_pkt))
exit(1);
if (vhci_pkt.type == HCI_COMMAND_PKT &&
vhci_pkt.command_hdr.opcode == HCI_OP_RESET) {
char response[1] = {0};
hci_send_event_cmd_complete(vhci_fd, HCI_OP_RESET, response,
sizeof(response));
if (read(vhci_fd, &vhci_pkt, sizeof(vhci_pkt)) != sizeof(vhci_pkt))
exit(1);
}
if (vhci_pkt.type != HCI_VENDOR_PKT)
exit(1);
int dev_id = vhci_pkt.vendor_pkt.id;
pthread_t th;
if (pthread_create(&th, NULL, event_thread, NULL))
exit(1);
int ret = ioctl(hci_sock, HCIDEVUP, dev_id);
if (ret) {
if (errno == ERFKILL) {
rfkill_unblock_all();
ret = ioctl(hci_sock, HCIDEVUP, dev_id);
}
if (ret && errno != EALREADY)
exit(1);
}
struct hci_dev_req dr = {0};
dr.dev_id = dev_id;
dr.dev_opt = SCAN_PAGE;
if (ioctl(hci_sock, HCISETSCAN, &dr))
exit(1);
struct hci_ev_conn_request request;
memset(&request, 0, sizeof(request));
memset(&request.bdaddr, 0xaa, 6);
*(uint8_t*)&request.bdaddr.b[5] = 0x10;
request.link_type = ACL_LINK;
hci_send_event_packet(vhci_fd, HCI_EV_CONN_REQUEST, &request,
sizeof(request));
struct hci_ev_conn_complete complete;
memset(&complete, 0, sizeof(complete));
complete.status = 0;
complete.handle = HCI_HANDLE_1;
memset(&complete.bdaddr, 0xaa, 6);
*(uint8_t*)&complete.bdaddr.b[5] = 0x10;
complete.link_type = ACL_LINK;
complete.encr_mode = 0;
hci_send_event_packet(vhci_fd, HCI_EV_CONN_COMPLETE, &complete,
sizeof(complete));
struct hci_ev_remote_features features;
memset(&features, 0, sizeof(features));
features.status = 0;
features.handle = HCI_HANDLE_1;
hci_send_event_packet(vhci_fd, HCI_EV_REMOTE_FEATURES, &features,
sizeof(features));
struct {
struct hci_ev_le_meta le_meta;
struct hci_ev_le_conn_complete le_conn;
} le_conn;
memset(&le_conn, 0, sizeof(le_conn));
le_conn.le_meta.subevent = HCI_EV_LE_CONN_COMPLETE;
memset(&le_conn.le_conn.bdaddr, 0xaa, 6);
*(uint8_t*)&le_conn.le_conn.bdaddr.b[5] = 0x11;
le_conn.le_conn.role = 1;
le_conn.le_conn.handle = HCI_HANDLE_2;
hci_send_event_packet(vhci_fd, HCI_EV_LE_META, &le_conn, sizeof(le_conn));
pthread_join(th, NULL);
close(hci_sock);
}
static void setup_common()
{
if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
}
}
static void setup_binderfs()
{
if (mkdir("/dev/binderfs", 0777)) {
}
if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) {
}
}
static void loop();
static void sandbox_common()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setsid();
struct rlimit rlim;
rlim.rlim_cur = rlim.rlim_max = (200 << 20);
setrlimit(RLIMIT_AS, &rlim);
rlim.rlim_cur = rlim.rlim_max = 32 << 20;
setrlimit(RLIMIT_MEMLOCK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 136 << 20;
setrlimit(RLIMIT_FSIZE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 1 << 20;
setrlimit(RLIMIT_STACK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 128 << 20;
setrlimit(RLIMIT_CORE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 256;
setrlimit(RLIMIT_NOFILE, &rlim);
if (unshare(CLONE_NEWNS)) {
}
if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) {
}
if (unshare(CLONE_NEWIPC)) {
}
if (unshare(0x02000000)) {
}
if (unshare(CLONE_NEWUTS)) {
}
if (unshare(CLONE_SYSVSEM)) {
}
typedef struct {
const char* name;
const char* value;
} sysctl_t;
static const sysctl_t sysctls[] = {
{"/proc/sys/kernel/shmmax", "16777216"},
{"/proc/sys/kernel/shmall", "536870912"},
{"/proc/sys/kernel/shmmni", "1024"},
{"/proc/sys/kernel/msgmax", "8192"},
{"/proc/sys/kernel/msgmni", "1024"},
{"/proc/sys/kernel/msgmnb", "1024"},
{"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
};
unsigned i;
for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
write_file(sysctls[i].name, sysctls[i].value);
}
static int wait_for_loop(int pid)
{
if (pid < 0)
exit(1);
int status = 0;
while (waitpid(-1, &status, __WALL) != pid) {
}
return WEXITSTATUS(status);
}
static void drop_caps(void)
{
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))
exit(1);
const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
cap_data[0].effective &= ~drop;
cap_data[0].permitted &= ~drop;
cap_data[0].inheritable &= ~drop;
if (syscall(SYS_capset, &cap_hdr, &cap_data))
exit(1);
}
static int do_sandbox_none(void)
{
if (unshare(CLONE_NEWPID)) {
}
int pid = fork();
if (pid != 0)
return wait_for_loop(pid);
setup_common();
initialize_vhci();
sandbox_common();
drop_caps();
if (unshare(CLONE_NEWNET)) {
}
write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
initialize_wifi_devices();
setup_binderfs();
loop();
exit(1);
}
#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
int iter = 0;
DIR* dp = 0;
retry:
while (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW) == 0) {
}
dp = opendir(dir);
if (dp == NULL) {
if (errno == EMFILE) {
exit(1);
}
exit(1);
}
struct dirent* ep = 0;
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);
while (umount2(filename, MNT_DETACH | UMOUNT_NOFOLLOW) == 0) {
}
struct stat st;
if (lstat(filename, &st))
exit(1);
if (S_ISDIR(st.st_mode)) {
remove_dir(filename);
continue;
}
int i;
for (i = 0;; i++) {
if (unlink(filename) == 0)
break;
if (errno == EPERM) {
int fd = open(filename, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
}
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno != EBUSY || i > 100)
exit(1);
if (umount2(filename, MNT_DETACH | UMOUNT_NOFOLLOW))
exit(1);
}
}
closedir(dp);
for (int i = 0;; i++) {
if (rmdir(dir) == 0)
break;
if (i < 100) {
if (errno == EPERM) {
int fd = open(dir, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
}
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno == EBUSY) {
if (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW))
exit(1);
continue;
}
if (errno == ENOTEMPTY) {
if (iter < 100) {
iter++;
goto retry;
}
}
}
exit(1);
}
}
static void kill_and_wait(int pid, int* status)
{
kill(-pid, SIGKILL);
kill(pid, SIGKILL);
for (int i = 0; i < 100; i++) {
if (waitpid(-1, status, WNOHANG | __WALL) == pid)
return;
usleep(1000);
}
DIR* dir = opendir("/sys/fs/fuse/connections");
if (dir) {
for (;;) {
struct dirent* ent = readdir(dir);
if (!ent)
break;
if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
continue;
char abort[300];
snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
ent->d_name);
int fd = open(abort, O_WRONLY);
if (fd == -1) {
continue;
}
if (write(fd, abort, 1) < 0) {
}
close(fd);
}
closedir(dir);
} else {
}
while (waitpid(-1, status, __WALL) != pid) {
}
}
static void setup_test()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
write_file("/proc/self/oom_score_adj", "1000");
if (symlink("/dev/binderfs", "./binderfs")) {
}
}
static void close_fds()
{
for (int fd = 3; fd < MAX_FDS; fd++)
close(fd);
}
static void setup_binfmt_misc()
{
if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0)) {
}
write_file("/proc/sys/fs/binfmt_misc/register", ":syz0:M:0:\x01::./file0:");
write_file("/proc/sys/fs/binfmt_misc/register",
":syz1:M:1:\x02::./file0:POC");
}
static void setup_usb()
{
if (chmod("/dev/raw-gadget", 0666))
exit(1);
}
static void setup_sysctl()
{
char mypid[32];
snprintf(mypid, sizeof(mypid), "%d", getpid());
struct {
const char* name;
const char* data;
} files[] = {
{"/sys/kernel/debug/x86/nmi_longest_ns", "10000000000"},
{"/proc/sys/kernel/hung_task_check_interval_secs", "20"},
{"/proc/sys/net/core/bpf_jit_kallsyms", "1"},
{"/proc/sys/net/core/bpf_jit_harden", "0"},
{"/proc/sys/kernel/kptr_restrict", "0"},
{"/proc/sys/kernel/softlockup_all_cpu_backtrace", "1"},
{"/proc/sys/fs/mount-max", "100"},
{"/proc/sys/vm/oom_dump_tasks", "0"},
{"/proc/sys/debug/exception-trace", "0"},
{"/proc/sys/kernel/printk", "7 4 1 3"},
{"/proc/sys/kernel/keys/gc_delay", "1"},
{"/proc/sys/vm/oom_kill_allocating_task", "1"},
{"/proc/sys/kernel/ctrl-alt-del", "0"},
{"/proc/sys/kernel/cad_pid", mypid},
};
for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
if (!write_file(files[i].name, files[i].data))
printf("write to %s failed: %s\n", files[i].name, strerror(errno));
}
}
#define NL802154_CMD_SET_SHORT_ADDR 11
#define NL802154_ATTR_IFINDEX 3
#define NL802154_ATTR_SHORT_ADDR 10
static void setup_802154()
{
int sock_route = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock_route == -1)
exit(1);
int sock_generic = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
if (sock_generic < 0)
exit(1);
int nl802154_family_id =
netlink_query_family_id(&nlmsg, sock_generic, "nl802154", true);
for (int i = 0; i < 2; i++) {
char devname[] = "wpan0";
devname[strlen(devname) - 1] += i;
uint64_t hwaddr = 0xaaaaaaaaaaaa0002 + (i << 8);
uint16_t shortaddr = 0xaaa0 + i;
int ifindex = if_nametoindex(devname);
struct genlmsghdr genlhdr;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = NL802154_CMD_SET_SHORT_ADDR;
netlink_init(&nlmsg, nl802154_family_id, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, NL802154_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
netlink_attr(&nlmsg, NL802154_ATTR_SHORT_ADDR, &shortaddr,
sizeof(shortaddr));
int err = netlink_send(&nlmsg, sock_generic);
if (err < 0) {
}
netlink_device_change(&nlmsg, sock_route, devname, true, 0, &hwaddr,
sizeof(hwaddr), 0);
if (i == 0) {
netlink_add_device_impl(&nlmsg, "lowpan", "lowpan0", false);
netlink_done(&nlmsg);
netlink_attr(&nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(&nlmsg, sock_route);
if (err < 0) {
}
}
}
close(sock_route);
close(sock_generic);
}
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 execute_one(void)
{
int i, call, thread;
for (call = 0; call < 8; 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);
close_fds();
}
static void execute_one(void);
#define WAIT_FLAGS __WALL
static void loop(void)
{
int iter = 0;
for (;; iter++) {
char cwdbuf[32];
sprintf(cwdbuf, "./%d", iter);
if (mkdir(cwdbuf, 0777))
exit(1);
int pid = fork();
if (pid < 0)
exit(1);
if (pid == 0) {
if (chdir(cwdbuf))
exit(1);
setup_test();
execute_one();
exit(0);
}
int status = 0;
uint64_t start = current_time_ms();
for (;;) {
if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
break;
sleep_ms(1);
if (current_time_ms() - start < 5000)
continue;
kill_and_wait(pid, &status);
break;
}
remove_dir(cwdbuf);
}
}
uint64_t r[5] = {0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff,
0xffffffffffffffff};
void execute_call(int call)
{
intptr_t res = 0;
switch (call) {
case 0:
*(uint32_t*)0x20000244 = 0;
*(uint32_t*)0x20000248 = 0;
*(uint32_t*)0x2000024c = 0;
*(uint32_t*)0x20000250 = 0;
*(uint32_t*)0x20000258 = -1;
memset((void*)0x2000025c, 0, 12);
res = -1;
res = syz_io_uring_setup(0x3ede, 0x20000240, 0x20002000, 0x20ffe000,
0x20000100, 0x20000140);
if (res != -1) {
r[0] = res;
r[1] = *(uint64_t*)0x20000100;
r[2] = *(uint64_t*)0x20000140;
}
break;
case 1:
res = syscall(__NR_socket, 0x26ul, 5ul, 0);
if (res != -1)
r[3] = res;
break;
case 2:
*(uint16_t*)0x20000180 = 0x26;
memcpy((void*)0x20000182, "skcipher\000\000\000\000\000\000", 14);
*(uint32_t*)0x20000190 = 0;
*(uint32_t*)0x20000194 = 0;
memcpy(
(void*)0x20000198,
"cbc(blowfish)"
"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000",
64);
syscall(__NR_bind, r[3], 0x20000180ul, 0x58ul);
break;
case 3:
memcpy((void*)0x20c18000, "\xad\x56\xb6\xc5", 4);
syscall(__NR_setsockopt, r[3], 0x117, 1, 0x20c18000ul, 4ul);
break;
case 4:
res = syscall(__NR_accept, r[3], 0ul, 0ul);
if (res != -1)
r[4] = res;
break;
case 5:
*(uint64_t*)0x20002600 = 0;
*(uint32_t*)0x20002608 = 0;
*(uint64_t*)0x20002610 = 0x20002540;
*(uint64_t*)0x20002540 = 0x20001540;
memcpy(
(void*)0x20001540,
"\x2d\xa6\x4c\x9a\x8a\xa9\x94\x16\x46\x5d\x01\xdc\x86\x35\x31\xc6\x5e"
"\x48\x4b\xe6\x6c\x0f\x27\xfb\x9b\x59\x61\x8b\xe3\xf6\xbe\xc8\x75\xc6"
"\x0e\x72\xa5\x89\x59\x69\x36\x79\xf5\x4c\xfc\x4c\x7e\xb2\x97\x02\x8b"
"\x49\x18\x93\xa9\x7a\xce\xf6\xd4\x8c\x8d\xe8\xd5\x7c\x7e\xc3\xc4\x17"
"\x10\xeb\xfa\x75\x8f\x7b\xe7\x15\x4b\x83\x49\x47\x56\x20\x46\x96\x2e"
"\x8c\xb6\x49\x93\xe6\x5e\x6e\xe4\xb8\xc9\x82\xa9\x28\x3b\xc2\xa2\x55"
"\x02\xc7\xc4\x09\x61\x9f\xb8\xdd\xa6\x75\xb4\x0e\x23\x13\x48\x56\x9b"
"\x0d\x16\x45\x87\x90\x89\x9a\xc5\xc1\xa9\xbb\x4f\x98\xc9\x1c\x45\xa6"
"\x5c\x5d\x60\x8d\x42\x49\x4e\x0d\xf0\x4d\x37\x67\x54\x05\xe2\x8e\xb7"
"\x70\x88\xf3\x68\x68\x78\x2f\xac\xc8\xb2\x00\xbd\x30\xf9\xd0\xd3\xf5"
"\x94\x7b\xc0\x8b\x34\x2e\x80\x89\xd2\xcc\x54\xa3\xc0\x2e\x11\x57\xe3"
"\x6b\x92\xdf\x28\x68\xa8\x1a\x7d\x9d\x3e\x55\x37\x56\x1c\x26\x33\xa0"
"\xc0\x14\x19\x63\x96\x59\x35\x31\xe9\xe1\xa3\x7f\xba\x0d\x66\xc0\xd3"
"\x73\x7f\x4c\x26\x8e\xc7\xf5\x12\x79\x5f\x17\x16\x70\xe2\x34\x3c\xb0"
"\x9b\xf6\x38\x71\x09\x72\xd4\x2f\xc5\xc3\x20\x90\x3f\x46\x05\x79\x42"
"\xb8\xad\xf1\x98\x5f\x80\x5c\xe9\x79\x97\xbc\x56\xf4\xea\x7e\x84\xb7"
"\x01\x70\x46\xfb\x8b\xf5\xef\xb8\x9e\x1d\xb8\x0e\xa0\xa8\x64\x44\x0e"
"\xb6\x90\xce\x32\xb1\x71\x7e\x4f\xac\xa7\x9e\x33\xe6\x11\x8a\xad\xb7"
"\x72\x73\x11\x4e\xc6\x50\x79\x34\x20\x60\xc0\xd2\x39\x14\x10\x11\xb3"
"\x04\x46\x3f\x7c\x84\x75\xe0\xbd\x84\x0c\x06\xb0\xbc\x40\xda\x9f\x04"
"\x90\x71\xeb\x28\x38\x2f\xad\xf8\x02\x21\x99\x25\x06\xb0\x78\xa5\x0c"
"\x4d\x62\x30\x52\x2e\xda\x0c\x0e\x01\x3c\x0e\xd8\x9b\x00\xc6\x25\x4f"
"\xc6\x38\x04\xef\x6f\x1b\xe1\xbb\xf1\x8a\xcc\x02\xd1\x16\x7a\x9a\x46"
"\xdd\x89\x2e\x24\x90\x76\xc8\xc7\x32\x7b\x6a\xda\xe9\x7b\xe1\x2b\xe3"
"\x4c\xb4\x59\x26\x01\x8f\x54\x53\x40\x51\xac\x3c\x38\xf6\x2d\xcb\xf7"
"\x62\x89\x73\x8a\x15\x65\x24\x94\xdb\xd7\x15\x68\xff\xae\xfd\xd6\x29"
"\x34\xaf\x1f\x03\x29\x6f\x83\x48\xa1\xfb\xff\x90\x7f\x56\xaf\xb0\x32"
"\x73\xc1\xdc\x3d\x2f\x8d\x9d\x07\x55\x48\x8f\x75\xe6\x70\x2e\xa5\xce"
"\x19\x67\x70\xfa\x47\x99\x7b\xa5\xbf\xdd\xf5\xea\x4d\x36\x7e\x54\xd0"
"\x49\x8b\x4f\xe1\x1b\xef\xa6\xe7\xcf\x37\x89\x09\xe7\x77\x5a\xdd\x5a"
"\xf9\xcd\x91\x13\xf0\xcd\xf1\x7d\xff\x7e\xe7\x76\x2b\xc2\x56\x31\xaa"
"\x9e\x56\xcb\x0a\xe8\x8f\xe0\x39\xa4\x1b\x35\x82\x1a\xa4\x2b\x2a\xdd"
"\x81\x14\x70\x5a\x03\x11\x0d\x68\xa8\xed\x29\x94\xf3\x21\xa9\xac\x26"
"\x75\x58\x5b\x73\x95\xea\x39\xee\xf9\xb8\x11\xc6\x74\xb2\x4c\x4d\x56"
"\x3d\xcf\x12\xfb\xf9\xbd\x9e\x0e\xa8\x1e\xc8\x69\x30\xac\xdb\x59\x38"
"\x6d\x18\xe8\x5e\x30\x77\x9d\x37\xda\xac\x98\xf7\xde\x63\x8c\x75\x2a"
"\xad\x25\x88\x32\x86\x3a\x0b\x34\x2d\x34\xe7\xf7\x6e\x51\x96\xe5\xb4"
"\x34\x49\xfe\x8a\xb3\xba\xbd\x03\xcc\xc9\xb1\xd4\xe6\x0d\xa6\x4f\x7e"
"\xb8\xfd\xb2\xf9\x3c\x6b\x67\x5f\x6e\x88\x8d\x58\x4c\xea\xa9\x23\x14"
"\x15\xd4\x5e\xba\xb2\x78\x4b\x45\x45\xf5\x40\x81\xeb\xd4\x75\x57\xba"
"\x5e\x34\xca\xa5\xa9\x4b\xd6\xab\x74\x86\xe8\xdb\xc9\xef\x40\xc1\xb2"
"\x55\xd0\x6e\x2b\x53\x97\x0e\x4c\xcf\x9e\x79\x6a\x6b\xc7\x73\x07\x37"
"\xc9\xec\x8c\xc6\x79\xde\x7d\xa6\x5c\xea\x51\x9b\x9d\x95\x9b\x36\x40"
"\xbc\x0d\x86\x9d\xe7\xeb\xdc\x36\xd1\x71\x8e\x35\xd1\x43\xd1\xbc\xe8"
"\x17\x67\x75\x60\x48\x7e\x00\xd0\xaa\xa1\x6b\xad\x5a\xd5\x2a\xe7\xbd"
"\x49\x78\x37\x18\x94\x1b\xac\xd7\xe0\x9f\x0b\x7f\x9e\x63\x37\xe5\x11"
"\x88\x79\x56\x63\xdf\x44\x71\xb1\xab\x10\xd6\xca\xe1\xbd\xa1\x7e\x9a"
"\x53\xb9\xd4\x68\x49\x3e\xc7\x36\x55\xcb\x4f\xd6\x43\x2f\xbd\x8e\xc1"
"\x37\xb7\x46\x5a\x3b\xa7\x90\xc7\x75\x0f\xae\xfd\x07\x72\x6e\xcf\x3b"
"\xee\x6b\x6b\xd5\xd2\xac\x01\xa9\xd1\x2d\xf5\xc2\x62\x6a\xea\xbe\x56"
"\xc9\x12\xfe\xd8\xbe\x19\x4e\xdd\x54\xad\x98\x0b\x22\xdd\x9e\x74\xb8"
"\xb9\xc9\x01\x61\xf5\xec\xce\x91\x22\x58\x31\x50\xf8\x4e\xa9\x87\x01"
"\x1f\x9c\xde\x27\x4f\x3e\x49\xac\xdd\x91\x78\xf5\xae\xff\x20\xc9\x97"
"\x26\xb2\x99\xaa\x31\x51\xed\xa4\x14\x57\x77\x68\x47\x5a\x1f\xf4\x15"
"\xce\x32\x32\xd2\x5a\xfc\x3d\xa1\x74\x7f\x99\x40\x5c\x92\x29\x25\xa7"
"\x8a\xf6\x91\xe2\xc7\xb8\x29\x07\x85\x20\x95\x45\x11\x5d\xc0\x9e\x8f"
"\xea\x0c\x2c\xcd\xc6\x42\x71\xdd\x5b\xec\x2c\xf5\x29\x2b\x1f\x92\xf0"
"\x8d\x62\xde\x6f\x67\x62\x70\xaa\x4d\x96\xc3\xc8\x31\xa3\xcb\x62\x76"
"\x53\xaa\xa8\x7d\x51\x45\xe1\x4f\xbc\xd6\x84\x98\x79\x26\xc4\xc0\xc7"
"\xb6\x84\xd5\xb9\x19\x51\xc5\xc5\xb2\xb3\x9c\x72\x82\x86\x9c\xf7\xbe"
"\x77\x6c\xbb\xb5\xb2\xf5\xbb\x38\xc7\xd8\x6d\x63\x0f\xe4\x48\xb4\xfc"
"\x22\x6e\x0d\x13\xef\xa9\x84\xac\x85\xdd\x76\x34\xb3\x4d\x83\x3b\x0f"
"\x80\x0b\xc2\xf7\x5f\xdf\xd4\xf0\x08\x5b\xc0\x08\x3e\xa2\x99\xde\xae"
"\x27\xf1\xc0\x29\xb1\xd9\xb3\xad\xa7\x84\x70\x1e\xef\xab\x9f\xb8\xd5"
"\x5a\xb2\x5c\x05\x38\x31\x91\xdd\xfe\xf4\x63\x7f\x46\x93\xc2\x4f\xeb"
"\x2a\x95\x52\x3a\x0d\x5c\xb6\xe9\x20\x2b\x0b\x4f\xbb\x30\xfc\xfd\xaf"
"\x23\xba\x90\xfe\x57\xa6\x90\x79\x9f\xaa\xdf\x43\xaa\x78\xa8\xa9\x5c"
"\x48\x99\x03\xa6\x7d\x2a\x6f\xe9\x36\x4d\x83\x0f\xd1\x0d\xbf\x04\x8a"
"\x12\x2c\x05\x86\x14\x79\xd2\x3c\xce\x86\x3e\x9f\x6b\x07\x5b\x93\x5f"
"\x82\x5f\xa0\x92\x63\x43\x18\x62\x56\x61\xa4\xce\xa6\x16\x6c\x1a\xee"
"\xd3\x6d\x40\xda\xf1\x23\x66\x6d\x4e\x4f\xd8\xd1\xad\x75\x7b\x87\x56"
"\x1f\x27\x2d\x6c\x8f\x5f\xb0\x07\x6b\x12\x96\xbf\xf2\x37\xe6\xf2\x25"
"\xca\xf6\x40\x5a\x01\xad\x3a\xe0\x2f\xf2\xd2\xe0\x29\x73\x2a\xaa\x46"
"\xaa\x4a\x65\xab\x39\x18\x37\x56\xb7\xf4\xe6\x41\x81\x2e\x55\xc5\x9f"
"\xe1\xba\x0a\x16\x06\xde\x9d\x2d\x39\x65\xfa\x99\xae\x4d\x84\x7e\x72"
"\x40\x02\xca\x1a\xae\x5a\xd2\xb1\x9a\x28\x0a\x57\xd0\xb7\x50\x42\xa0"
"\x0a\x4e\x17\x2f\x3c\x9a\xd1\x84\x28\x07\x99\x1f\xb9\xdf\x52\x74\x08"
"\x94\x31\xba\xdd\xb1\x69\x14\xef\x73\xf8\xe4\xad\xfd\xa0\xd9\x49\xb4"
"\xee\xfe\xb1\x1e\xe2\xb0\x7a\x72\x86\xa4\x92\x01\xc5\x4c\x29\x36\xc6"
"\x99\x04\x28\x91\x9b\x40\x0f\x85\xf0\x78\x40\x59\x36\x56\x20\x00\x01"
"\x54\x5b\x83\x07\xa6\xa4\xde\xeb\xb3\x28\xdc\x20\xc8\xbe\xcb\xda\xe4"
"\x07\xd7\x6c\x33\xda\x18\xdb\x54\x4c\x57\x11\x1c\xd7\x35\x86\x5f\xdc"
"\xf3\x94\x6c\x3c\x0e\x2d\x71\x72\x36\x41\x29\x79\x96\x63\x4c\x11\xf3"
"\x9b\x10\xd0\x59\x72\xcd\x00\xb2\x18\xf4\xdc\x44\x46\x88\x53\x1a\x3f"
"\x31\xa3\xf4\x7b\x96\xc3\x76\xda\xaf\x3c\x56\x7a\x8e\xd7\x72\x30\x65"
"\x0c\x84\x08\x71\xbf\x58\x05\x7b\xcc\x40\x20\xfa\x97\xb9\x15\x45\xd9"
"\x08\x21\x4b\x94\x88\x89\x2e\x88\x4b\xed\xc4\x91\x8a\x76\x77\xdd\x7c"
"\x42\xed\xb9\x50\xc4\xc0\xaf\xa9\x56\x15\x99\x97\xdf\x8f\x15\x0d\x41"
"\x63\x13\xa2\x1e\xec\x7a\xa3\xe8\xe0\x4f\xbc\x6a\x07\xdc\x0c\xd4\xdb"
"\x98\x97\xee\x7a\x02\xb1\x81\x7e\xb1\xd6\xe9\xfc\x10\xb3\x60\x28\x1f"
"\x9c\x1e\x5c\x7e\x95\x9f\x1f\xfa\xc0\x63\x8b\xa1\x23\xa4\xdf\x67\x45"
"\x2b\x69\x0a\x4f\x3a\x44\x9f\xe4\x0e\x5a\xc7\x9a\x42\xdd\xe4\x1d\x08"
"\xe3\x7b\x2b\x73\x1c\x68\x90\xfa\xb0\x48\x9a\x89\xac\x1c\xbe\xc1\xdb"
"\x6a\x04\xdb\x08\x73\x75\x32\x46\x93\x3e\x5b\x5a\x00\xa8\x48\x57\x9b"
"\xf9\xcf\x4e\x6d\xf5\x66\x49\xf3\x99\x4a\x64\x59\xb8\x4a\x21\xe2\x50"
"\x17\x5f\xca\xda\x45\x38\xb2\x91\x0b\x8d\x70\xff\xd0\xa2\x12\xd6\xb2"
"\xf7\x0f\x94\x4a\xdf\x13\x07\xed\xcf\xfb\xdd\xd8\x42\x36\xcc\xde\xc9"
"\x8d\x8b\x83\xf2\x11\x50\x4d\x8e\xa1\xcf\x92\x21\x9d\xe2\xf7\x7e\xbe"
"\xbb\xc8\x84\x75\x97\xcf\x36\xaf\x15\xd0\x20\xd8\xa1\x88\x24\x75\xc2"
"\xcc\x4e\xbd\x78\xdd\xe3\xeb\xf0\x5e\xb7\xad\xb2\x9f\xf9\xe5\x59\x52"
"\x70\xc3\x80\xf3\x6f\xf9\x42\xbc\x6d\x71\x8c\x42\xa5\x23\x2a\xac\x3d"
"\xc1\xc2\x6d\x29\x9d\xca\xa8\xc1\xab\xc8\x3d\xcf\x1d\x52\x49\x13\x9c"
"\x7f\x98\x9b\xeb\x3f\x68\xcd\xd9\x01\xf4\x96\x21\xd9\x23\x79\x1e\x5b"
"\xa7\xb2\xd6\xf0\x9e\x48\xd0\x81\xb6\x15\x19\x24\xaa\x0c\x94\x9b\x22"
"\xbb\x36\x50\x70\xa4\x2b\x19\x0f\xef\x3b\xe2\x1b\xec\x66\x7d\x9e\x37"
"\x1e\xb0\xf9\x45\xdb\xa6\x7f\x28\x95\x1d\xf1\xd8\xcf\x7e\xf4\x3b\x19"
"\x42\x02\x8c\xaa\xce\x6d\x71\xcc\x6f\x3b\xea\xe1\xc0\x4b\xd2\x4b\xf7"
"\xa5\xdb\x71\x75\x61\xd1\x04\x92\x1b\xf4\x4c\xec\x64\x38\x1e\x3e\x1f"
"\xb5\x1d\x5c\x5a\x66\xef\x48\xba\x6d\xda\xf2\xe1\x33\xf7\x81\x69\xfb"
"\xf4\xa1\x5b\x92\xfc\x59\xb7\xb3\x74\xe9\x03\xfb\x3c\xbb\xb2\x5f\x5d"
"\x79\x97\xfd\x88\xd2\xef\xff\xf8\x41\x1e\xc9\xd7\x9a\xba\x14\x3b\x91"
"\xaa\xea\x10\x64\x03\x4f\x90\x82\x49\x5c\xcf\x10\x09\x1f\xba\x42\x12"
"\x4d\xc8\x94\xbc\x52\x79\x33\xc1\xcd\x21\x70\xe5\x6c\x73\xf1\xa9\x90"
"\x32\xa2\x7b\xf7\xeb\xf6\xfe\x4a\x2e\x7b\x19\x46\x0f\x9b\x94\x16\x60"
"\x6f\x35\x3a\x0b\x19\x2a\xd0\xfb\xfb\x3e\x07\xe6\x72\xa6\xb0\xb6\x11"
"\x02\xdb\xd3\xae\xf1\x1e\x3c\x21\x47\x7f\xb8\xaf\x07\xfa\x7c\xec\xff"
"\xf6\x4f\xae\x33\x1b\x4b\x1a\x0b\x7b\x38\x4b\x70\x49\x7c\x90\x5d\x86"
"\x56\x9d\x17\xb9\x80\xaf\xe7\x80\xf6\x32\x28\x1a\xc2\xb2\xbf\x85\x22"
"\xca\xf1\x0a\xd1\x2c\x68\xe2\x64\x3c\x4e\x05\x8a\xbc\xea\xf4\xd2\x90"
"\x28\xa8\x64\xee\xe4\x7b\x8d\x16\x09\x0a\x2f\x59\x56\x4e\x00\x0f\x31"
"\xe5\x31\x10\xff\xad\xfb\xa6\xa7\xe6\x62\x6c\x48\x28\x70\x6f\xef\x5e"
"\x90\x24\x2c\xc6\x85\xfb\xa0\x17\xe1\xab\x63\xca\xe0\xf1\xc9\x88\xc4"
"\xa3\x71\x8b\xd8\x98\x92\xfe\xfc\x43\xe7\x19\x67\x23\xae\x04\x22\x10"
"\xb8\x55\x84\xc7\x8a\xfb\x68\xe3\x21\x30\x02\x8e\x4f\x78\xda\x3c\x2b"
"\x99\x59\x06\x3d\xaa\x23\x59\x50\x96\x7a\xaf\xcd\x79\xcb\xe6\xfc\x6b"
"\xac\x76\x20\x0c\x69\xe6\x56\xc7\x67\xd5\x11\x23\x97\x5b\x17\x31\xf5"
"\xfd\x98\x91\xbd\xeb\x5d\x90\x23\x9c\x20\x86\x0f\x02\x03\xc5\x63\x76"
"\xd6\x49\xcf\x1f\xbf\xcb\xe9\xd2\x60\x2d\x7a\xd7\xf3\x85\x4a\x2e\x5e"
"\x7b\xde\xc3\x45\x04\xed\x02\xe0\xdd\x8b\xe3\x4b\x4f\x70\x4f\xf9\x1c"
"\x05\x65\xe8\x0e\x35\x47\x50\xfe\xf3\x77\xd3\xb4\x40\xdf\xea\x01\x0b"
"\xc7\xb9\x29\xd3\x55\x7d\x84\x88\x46\x1c\x21\x57\xfd\xd1\x70\x8b\xfb"
"\x49\xb4\x6d\xdf\x3c\x61\x1d\x0d\xc4\x59\x55\x6a\xa6\x17\x8e\xc7\xcb"
"\x13\xfe\x3c\x7e\x2f\xf8\x24\x5d\x41\x47\x17\x15\xfe\xd5\x00\x83\x6e"
"\xd6\xa3\x2b\xb9\x89\x12\xd0\x84\x63\xee\xb1\xe7\xd5\x8b\x37\x34\x1d"
"\xf1\x00\xa0\x20\xa2\x4c\x41\x83\xec\x60\xc4\xc7\x56\x0a\xa7\x6c\xb0"
"\x74\x13\x98\xc3\xa6\x92\x2d\x2c\x0f\xef\x63\x81\xca\x19\xce\xf3\x7f"
"\x2b\x28\xee\x7e\x70\x39\x3d\x4b\xcb\x10\x0e\xaa\x0a\xea\xde\x98\x8c"
"\x29\x38\xe5\xd7\x8f\xc3\xcb\xbe\x6a\x2b\xbe\xff\x4a\x79\x8d\xb4\xc7"
"\x2c\x70\x4a\x8c\xcc\x2e\xb3\xd8\x20\xbc\x05\x74\x0e\xd5\x84\xf4\xc0"
"\x58\x88\xd6\x3a\xdc\xa4\x20\x13\xef\xb6\xcc\x24\x4a\x86\xc8\x4b\xe1"
"\x57\xb3\x68\xf5\x78\x8c\x3e\x45\xb6\x13\x19\xe6\xec\x2a\xc4\x2b\xd7"
"\x12\x2c\x9e\xb5\x29\x5a\xbe\x26\x46\x5b\x11\x2b\x66\x9a\xe8\xc2\xff"
"\x62\x6f\x65\x01\xf9\xd6\x3e\x51\x6e\x6f\x6b\x7d\xb4\xdd\x75\x3b\xc5"
"\x47\xda\xdb\xea\x14\x0c\xb7\x4e\x0a\x7e\x6c\x99\x8d\x11\xe1\xa5\x95"
"\x4d\xc4\x98\x30\x1f\xf6\xce\x36\xd7\x5f\xf5\xde\x40\xf0\xcc\xe1\xf6"
"\x76\xbc\x18\x5d\xf8\x39\x42\x8d\xba\xa6\xd6\x31\x2e\xd7\xdd\x72\xd4"
"\xfa\xc7\xb1\x6a\xf2\x1e\x54\x1e\x43\x5a\x58\xb3\x01\xe7\xe2\xd4\x8f"
"\x4a\xd9\x37\xb6\x3b\x0b\x71\x26\x2c\x7f\x9b\x68\xb8\x6f\xab\x4a\x19"
"\x44\x47\xbf\x09\xa0\x9f\xde\x91\xd1\x32\xf0\xa7\x48\xa1\x50\xf7\x6e"
"\x64\xd4\xee\x5a\x34\xa3\x58\xe0\x20\xf7\x04\x11\x57\x0b\xc5\x42\x4e"
"\x48\xc1\xfc\x9c\x5e\xa9\x32\xb3\x29\x9d\x16\xd5\xca\x31\xde\x56\x5d"
"\xce\xb1\x35\xdf\x42\x5e\x41\x34\x27\x8c\xdb\x63\x78\x19\xc8\x02\x0f"
"\xcb\x46\x33\x69\xb6\xbc\xaa\x86\xc7\x5b\x6d\x95\x00\xa7\x01\x97\x18"
"\x3b\x11\xb9\xdc\x0a\xb8\xde\x8e\x70\x29\xb1\xe0\xca\x3b\x84\x5f\xe1"
"\x30\x0e\xd5\x87\xdb\xd1\xb8\x6f\xc2\x14\x8f\x96\x9c\xb6\x3a\x72\xd9"
"\x3b\xe5\x9f\xe0\x44\x0c\xfd\x76\x61\xf0\xc5\xfe\x0a\x7b\x96\xc8\xf9"
"\xdc\xfd\x5a\x4f\x58\xe5\xd5\x66\xb6\x26\x02\x77\x76\x11\x56\x8b\xb1"
"\xd3\xb3\x43\x80\x60\x8c\x24\x9e\x17\x0f\xe4\xd5\xce\xd8\x25\xc0\x5a"
"\x92\x61\x6b\xa8\xe9\x12\x3d\x62\xff\x72\x92\x7c\x35\x0a\x62\x3c\xc5"
"\xc0\xb0\xbe\xfc\x1b\x16\x9b\x07\xc6\xe5\xbb\x98\x32\xe7\x17\x1e\x4f"
"\xb8\xa6\x14\x2e\xab\xce\xc4\x47\x01\xbe\x5b\x61\x8b\xb7\x10\xd8\x4b"
"\xdc\xcc\x84\x80\x33\x09\x5d\xd9\xe8\xd2\xd7\xcb\x2e\xc7\x68\x9b\x5e"
"\x32\x8b\xea\x4e\x8a\x78\x2d\x57\x22\x09\xbe\xce\x89\x4a\xb7\x02\x94"
"\x5a\x34\xab\x97\xe4\xb5\xe3\x65\xab\x76\xad\xfa\xe3\x96\x32\xf0\x4f"
"\x06\x47\x27\x9d\x95\x84\xeb\x2d\x02\x20\x2c\x0d\xad\xad\x89\x5f\x2c"
"\xb5\xb5\xd3\xe1\xd1\x08\x57\x98\xc0\x0b\xf8\x10\xd9\x11",
2819);
*(uint64_t*)0x20002548 = 0xb03;
*(uint64_t*)0x20002618 = 1;
*(uint64_t*)0x20002620 = 0;
*(uint64_t*)0x20002628 = 0;
*(uint32_t*)0x20002630 = 0;
*(uint32_t*)0x20002638 = 0;
syscall(__NR_sendmmsg, r[4], 0x20002600ul, 1ul, 0ul);
break;
case 6:
*(uint8_t*)0x20000000 = 0x16;
*(uint8_t*)0x20000001 = 0;
*(uint16_t*)0x20000002 = 0;
*(uint32_t*)0x20000004 = 5;
*(uint64_t*)0x20000008 = 0;
*(uint64_t*)0x20000010 = 0x20000040;
*(uint32_t*)0x20000018 = 0x12;
*(uint32_t*)0x2000001c = 0;
*(uint64_t*)0x20000020 = 0;
*(uint16_t*)0x20000028 = 0;
*(uint16_t*)0x2000002a = 0;
memset((void*)0x2000002c, 0, 20);
syz_io_uring_submit(r[1], r[2], 0x20000000, 0);
break;
case 7:
syscall(__NR_io_uring_enter, r[0], 0x2ff, 0, 0ul, 0ul, 0ul);
break;
}
}
int main(void)
{
syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
setup_sysctl();
setup_binfmt_misc();
setup_usb();
setup_802154();
for (procid = 0; procid < 6; procid++) {
if (fork() == 0) {
use_temporary_dir();
do_sandbox_none();
}
}
sleep(1000000);
return 0;
}