// https://syzkaller.appspot.com/bug?id=1c263816ae6eae56184d7361c33d0307a0d76cfa
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <sched.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/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 <unistd.h>

#include <linux/capability.h>
#include <linux/rfkill.h>

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;
}

#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)) {
  }
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

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");
  setup_binderfs();
  loop();
  exit(1);
}

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void loop(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000100, "/dev/uinput\000", 12);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000100ul,
                /*flags=*/0x2000805ul, /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000400,
         "syz1\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\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",
         80);
  *(uint16_t*)0x20000450 = 0;
  *(uint16_t*)0x20000452 = 0;
  *(uint16_t*)0x20000454 = 0;
  *(uint16_t*)0x20000456 = 0;
  *(uint32_t*)0x20000458 = 0;
  *(uint32_t*)0x2000045c = 0;
  *(uint32_t*)0x20000460 = 0;
  *(uint32_t*)0x20000464 = 0;
  *(uint32_t*)0x20000468 = 0;
  *(uint32_t*)0x2000046c = 0;
  *(uint32_t*)0x20000470 = 0;
  *(uint32_t*)0x20000474 = 0;
  *(uint32_t*)0x20000478 = 0;
  *(uint32_t*)0x2000047c = 0;
  *(uint32_t*)0x20000480 = 0;
  *(uint32_t*)0x20000484 = 0;
  *(uint32_t*)0x20000488 = 0;
  *(uint32_t*)0x2000048c = 0;
  *(uint32_t*)0x20000490 = 0;
  *(uint32_t*)0x20000494 = 0;
  *(uint32_t*)0x20000498 = 0;
  *(uint32_t*)0x2000049c = 0;
  *(uint32_t*)0x200004a0 = 0;
  *(uint32_t*)0x200004a4 = 0;
  *(uint32_t*)0x200004a8 = 0;
  *(uint32_t*)0x200004ac = 0;
  *(uint32_t*)0x200004b0 = 0;
  *(uint32_t*)0x200004b4 = 0;
  *(uint32_t*)0x200004b8 = 0;
  *(uint32_t*)0x200004bc = 0;
  *(uint32_t*)0x200004c0 = 0;
  *(uint32_t*)0x200004c4 = 0;
  *(uint32_t*)0x200004c8 = 0;
  *(uint32_t*)0x200004cc = 0;
  *(uint32_t*)0x200004d0 = 0;
  *(uint32_t*)0x200004d4 = 0;
  *(uint32_t*)0x200004d8 = 0;
  *(uint32_t*)0x200004dc = 0;
  *(uint32_t*)0x200004e0 = 0;
  *(uint32_t*)0x200004e4 = 0;
  *(uint32_t*)0x200004e8 = 0;
  *(uint32_t*)0x200004ec = 0;
  *(uint32_t*)0x200004f0 = 0;
  *(uint32_t*)0x200004f4 = 0;
  *(uint32_t*)0x200004f8 = 0;
  *(uint32_t*)0x200004fc = 0;
  *(uint32_t*)0x20000500 = 0;
  *(uint32_t*)0x20000504 = 0;
  *(uint32_t*)0x20000508 = 0;
  *(uint32_t*)0x2000050c = 0;
  *(uint32_t*)0x20000510 = 0;
  *(uint32_t*)0x20000514 = 0;
  *(uint32_t*)0x20000518 = 0;
  *(uint32_t*)0x2000051c = 0;
  *(uint32_t*)0x20000520 = 0;
  *(uint32_t*)0x20000524 = 0;
  *(uint32_t*)0x20000528 = 0;
  *(uint32_t*)0x2000052c = 0;
  *(uint32_t*)0x20000530 = 0;
  *(uint32_t*)0x20000534 = 0;
  *(uint32_t*)0x20000538 = 0;
  *(uint32_t*)0x2000053c = 0;
  *(uint32_t*)0x20000540 = 0;
  *(uint32_t*)0x20000544 = 0;
  *(uint32_t*)0x20000548 = 0;
  *(uint32_t*)0x2000054c = 0;
  *(uint32_t*)0x20000550 = 0;
  *(uint32_t*)0x20000554 = 0;
  *(uint32_t*)0x20000558 = 0;
  *(uint32_t*)0x2000055c = 0;
  *(uint32_t*)0x20000560 = 0;
  *(uint32_t*)0x20000564 = 0;
  *(uint32_t*)0x20000568 = 0;
  *(uint32_t*)0x2000056c = 0;
  *(uint32_t*)0x20000570 = 0;
  *(uint32_t*)0x20000574 = 0;
  *(uint32_t*)0x20000578 = 0;
  *(uint32_t*)0x2000057c = 0;
  *(uint32_t*)0x20000580 = 0;
  *(uint32_t*)0x20000584 = 0;
  *(uint32_t*)0x20000588 = 0;
  *(uint32_t*)0x2000058c = 0;
  *(uint32_t*)0x20000590 = 0;
  *(uint32_t*)0x20000594 = 0;
  *(uint32_t*)0x20000598 = 0;
  *(uint32_t*)0x2000059c = 0;
  *(uint32_t*)0x200005a0 = 0;
  *(uint32_t*)0x200005a4 = 0;
  *(uint32_t*)0x200005a8 = 0;
  *(uint32_t*)0x200005ac = 0;
  *(uint32_t*)0x200005b0 = 0;
  *(uint32_t*)0x200005b4 = 0;
  *(uint32_t*)0x200005b8 = 0;
  *(uint32_t*)0x200005bc = 0;
  *(uint32_t*)0x200005c0 = 0;
  *(uint32_t*)0x200005c4 = 0;
  *(uint32_t*)0x200005c8 = 0;
  *(uint32_t*)0x200005cc = 0;
  *(uint32_t*)0x200005d0 = 0;
  *(uint32_t*)0x200005d4 = 0;
  *(uint32_t*)0x200005d8 = 0;
  *(uint32_t*)0x200005dc = 0;
  *(uint32_t*)0x200005e0 = 0;
  *(uint32_t*)0x200005e4 = 0;
  *(uint32_t*)0x200005e8 = 0;
  *(uint32_t*)0x200005ec = 0;
  *(uint32_t*)0x200005f0 = 0;
  *(uint32_t*)0x200005f4 = 0;
  *(uint32_t*)0x200005f8 = 0;
  *(uint32_t*)0x200005fc = 0;
  *(uint32_t*)0x20000600 = 0;
  *(uint32_t*)0x20000604 = 0;
  *(uint32_t*)0x20000608 = 0;
  *(uint32_t*)0x2000060c = 0;
  *(uint32_t*)0x20000610 = 0;
  *(uint32_t*)0x20000614 = 0;
  *(uint32_t*)0x20000618 = 0;
  *(uint32_t*)0x2000061c = 0;
  *(uint32_t*)0x20000620 = 0;
  *(uint32_t*)0x20000624 = 0;
  *(uint32_t*)0x20000628 = 0;
  *(uint32_t*)0x2000062c = 0;
  *(uint32_t*)0x20000630 = 0;
  *(uint32_t*)0x20000634 = 0;
  *(uint32_t*)0x20000638 = 0;
  *(uint32_t*)0x2000063c = 0;
  *(uint32_t*)0x20000640 = 0;
  *(uint32_t*)0x20000644 = 0;
  *(uint32_t*)0x20000648 = 0;
  *(uint32_t*)0x2000064c = 0;
  *(uint32_t*)0x20000650 = 0;
  *(uint32_t*)0x20000654 = 0;
  *(uint32_t*)0x20000658 = 0;
  *(uint32_t*)0x2000065c = 0;
  *(uint32_t*)0x20000660 = 0;
  *(uint32_t*)0x20000664 = 0;
  *(uint32_t*)0x20000668 = 0;
  *(uint32_t*)0x2000066c = 0;
  *(uint32_t*)0x20000670 = 0;
  *(uint32_t*)0x20000674 = 0;
  *(uint32_t*)0x20000678 = 0;
  *(uint32_t*)0x2000067c = 0;
  *(uint32_t*)0x20000680 = 0;
  *(uint32_t*)0x20000684 = 0;
  *(uint32_t*)0x20000688 = 0;
  *(uint32_t*)0x2000068c = 0;
  *(uint32_t*)0x20000690 = 0;
  *(uint32_t*)0x20000694 = 0;
  *(uint32_t*)0x20000698 = 0;
  *(uint32_t*)0x2000069c = 0;
  *(uint32_t*)0x200006a0 = 0;
  *(uint32_t*)0x200006a4 = 0;
  *(uint32_t*)0x200006a8 = 0;
  *(uint32_t*)0x200006ac = 0;
  *(uint32_t*)0x200006b0 = 0;
  *(uint32_t*)0x200006b4 = 0;
  *(uint32_t*)0x200006b8 = 0;
  *(uint32_t*)0x200006bc = 0;
  *(uint32_t*)0x200006c0 = 0;
  *(uint32_t*)0x200006c4 = 0;
  *(uint32_t*)0x200006c8 = 0;
  *(uint32_t*)0x200006cc = 0;
  *(uint32_t*)0x200006d0 = 0;
  *(uint32_t*)0x200006d4 = 0;
  *(uint32_t*)0x200006d8 = 0;
  *(uint32_t*)0x200006dc = 0;
  *(uint32_t*)0x200006e0 = 0;
  *(uint32_t*)0x200006e4 = 0;
  *(uint32_t*)0x200006e8 = 0;
  *(uint32_t*)0x200006ec = 0;
  *(uint32_t*)0x200006f0 = 0;
  *(uint32_t*)0x200006f4 = 0;
  *(uint32_t*)0x200006f8 = 0;
  *(uint32_t*)0x200006fc = 0;
  *(uint32_t*)0x20000700 = 0;
  *(uint32_t*)0x20000704 = 0;
  *(uint32_t*)0x20000708 = 0;
  *(uint32_t*)0x2000070c = 0;
  *(uint32_t*)0x20000710 = 0;
  *(uint32_t*)0x20000714 = 0;
  *(uint32_t*)0x20000718 = 0;
  *(uint32_t*)0x2000071c = 0;
  *(uint32_t*)0x20000720 = 0;
  *(uint32_t*)0x20000724 = 0;
  *(uint32_t*)0x20000728 = 0;
  *(uint32_t*)0x2000072c = 0;
  *(uint32_t*)0x20000730 = 0;
  *(uint32_t*)0x20000734 = 0;
  *(uint32_t*)0x20000738 = 0;
  *(uint32_t*)0x2000073c = 0;
  *(uint32_t*)0x20000740 = 0;
  *(uint32_t*)0x20000744 = 0;
  *(uint32_t*)0x20000748 = 0;
  *(uint32_t*)0x2000074c = 0;
  *(uint32_t*)0x20000750 = 0;
  *(uint32_t*)0x20000754 = 0;
  *(uint32_t*)0x20000758 = 0;
  *(uint32_t*)0x2000075c = 0;
  *(uint32_t*)0x20000760 = 0;
  *(uint32_t*)0x20000764 = 0;
  *(uint32_t*)0x20000768 = 0;
  *(uint32_t*)0x2000076c = 0;
  *(uint32_t*)0x20000770 = 0;
  *(uint32_t*)0x20000774 = 0;
  *(uint32_t*)0x20000778 = 0;
  *(uint32_t*)0x2000077c = 0;
  *(uint32_t*)0x20000780 = 0;
  *(uint32_t*)0x20000784 = 0;
  *(uint32_t*)0x20000788 = 0;
  *(uint32_t*)0x2000078c = 0;
  *(uint32_t*)0x20000790 = 0;
  *(uint32_t*)0x20000794 = 0;
  *(uint32_t*)0x20000798 = 0;
  *(uint32_t*)0x2000079c = 0;
  *(uint32_t*)0x200007a0 = 0;
  *(uint32_t*)0x200007a4 = 0;
  *(uint32_t*)0x200007a8 = 0;
  *(uint32_t*)0x200007ac = 0;
  *(uint32_t*)0x200007b0 = 0;
  *(uint32_t*)0x200007b4 = 0;
  *(uint32_t*)0x200007b8 = 0;
  *(uint32_t*)0x200007bc = 0;
  *(uint32_t*)0x200007c0 = 0;
  *(uint32_t*)0x200007c4 = 0;
  *(uint32_t*)0x200007c8 = 0;
  *(uint32_t*)0x200007cc = 0;
  *(uint32_t*)0x200007d0 = 0;
  *(uint32_t*)0x200007d4 = 0;
  *(uint32_t*)0x200007d8 = 0;
  *(uint32_t*)0x200007dc = 0;
  *(uint32_t*)0x200007e0 = 0;
  *(uint32_t*)0x200007e4 = 0;
  *(uint32_t*)0x200007e8 = 0;
  *(uint32_t*)0x200007ec = 0;
  *(uint32_t*)0x200007f0 = 0;
  *(uint32_t*)0x200007f4 = 0;
  *(uint32_t*)0x200007f8 = 0;
  *(uint32_t*)0x200007fc = 0;
  *(uint32_t*)0x20000800 = 0;
  *(uint32_t*)0x20000804 = 0;
  *(uint32_t*)0x20000808 = 0;
  *(uint32_t*)0x2000080c = 0;
  *(uint32_t*)0x20000810 = 0;
  *(uint32_t*)0x20000814 = 0;
  *(uint32_t*)0x20000818 = 0;
  *(uint32_t*)0x2000081c = 0;
  *(uint32_t*)0x20000820 = 0;
  *(uint32_t*)0x20000824 = 0;
  *(uint32_t*)0x20000828 = 0;
  *(uint32_t*)0x2000082c = 0;
  *(uint32_t*)0x20000830 = 0;
  *(uint32_t*)0x20000834 = 0;
  *(uint32_t*)0x20000838 = 0;
  *(uint32_t*)0x2000083c = 0;
  *(uint32_t*)0x20000840 = 0;
  *(uint32_t*)0x20000844 = 0;
  *(uint32_t*)0x20000848 = 0;
  *(uint32_t*)0x2000084c = 0;
  *(uint32_t*)0x20000850 = 0;
  *(uint32_t*)0x20000854 = 0;
  *(uint32_t*)0x20000858 = 0;
  syscall(__NR_write, /*fd=*/r[0], /*data=*/0x20000400ul, /*len=*/0x45cul);
  res = syscall(__NR_dup, /*oldfd=*/r[0]);
  if (res != -1)
    r[1] = res;
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x4004556d, /*arg=*/3ul);
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x40045564, /*arg=*/5ul);
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x5501, /*arg=*/0ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  do_sandbox_none();
  return 0;
}