// https://syzkaller.appspot.com/bug?id=5735d842f7ea3ed9220aca64952ac4aba7ba741c
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <endian.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/syscall.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 <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.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 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 uintptr_t syz_open_dev(uintptr_t a0, uintptr_t a1, uintptr_t a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

static void execute_one();
extern unsigned long long procid;

void loop()
{
  while (1) {
    execute_one();
  }
}

uint64_t r[6] = {0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff,
                 0xffffffffffffffff, 0x0};
unsigned long long procid;
void execute_one()
{
  long res = 0;
  memcpy((void*)0x20000000, "/dev/loop#", 11);
  res = syz_open_dev(0x20000000, 0x40, 0x4000);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x20000040 = 8;
  *(uint32_t*)0x20000048 = 0;
  *(uint32_t*)0x2000004c = 0;
  syscall(__NR_ioctl, r[0], 0x401070cd, 0x20000040);
  *(uint32_t*)0x20000100 = 4;
  syscall(__NR_getsockopt, -1, 0, 0xa, 0x200000c0, 0x20000100);
  syscall(__NR_ioctl, -1, 0x1267, 0x20000140);
  *(uint32_t*)0x20000180 = 1;
  syscall(__NR_ioctl, r[0], 0x227b, 0x20000180);
  res = syscall(__NR_getuid);
  if (res != -1)
    r[1] = res;
  memcpy((void*)0x200001c0, "keyring", 8);
  *(uint8_t*)0x20000200 = 0x73;
  *(uint8_t*)0x20000201 = 0x79;
  *(uint8_t*)0x20000202 = 0x7a;
  *(uint8_t*)0x20000203 = 0x21 + procid * 4;
  *(uint8_t*)0x20000204 = 0;
  res = syscall(__NR_add_key, 0x200001c0, 0x20000200, 0, 0, -1);
  if (res != -1)
    r[2] = res;
  syscall(__NR_keyctl, 0x16, r[1], r[2]);
  memcpy((void*)0x20000240, "/dev/rfkill", 12);
  res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000240, 0, 0);
  if (res != -1)
    r[3] = res;
  memcpy((void*)0x20000280, "/dev/zero", 10);
  res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000280, 0x80002, 0);
  if (res != -1)
    r[4] = res;
  *(uint16_t*)0x20000340 = 1;
  memcpy((void*)0x20000342,
         "\x2e\x2f\x66\x69\x6c\x65\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",
         108);
  syscall(__NR_recvfrom, -1, 0x20000300, 0x2e, 0x2040, 0x20000340, 0x6e);
  syscall(__NR_ioctl, r[3], 0x6430);
  *(uint32_t*)0x20000400 = 0x10;
  syscall(__NR_getsockname, r[3], 0x200003c0, 0x20000400);
  *(uint16_t*)0x200006c0 = 0xa;
  *(uint16_t*)0x200006c2 = htobe16(0x4e20);
  *(uint32_t*)0x200006c4 = 0x80000000;
  *(uint8_t*)0x200006c8 = -1;
  *(uint8_t*)0x200006c9 = 1;
  *(uint8_t*)0x200006ca = 0;
  *(uint8_t*)0x200006cb = 0;
  *(uint8_t*)0x200006cc = 0;
  *(uint8_t*)0x200006cd = 0;
  *(uint8_t*)0x200006ce = 0;
  *(uint8_t*)0x200006cf = 0;
  *(uint8_t*)0x200006d0 = 0;
  *(uint8_t*)0x200006d1 = 0;
  *(uint8_t*)0x200006d2 = 0;
  *(uint8_t*)0x200006d3 = 0;
  *(uint8_t*)0x200006d4 = 0;
  *(uint8_t*)0x200006d5 = 0;
  *(uint8_t*)0x200006d6 = 0;
  *(uint8_t*)0x200006d7 = 1;
  *(uint32_t*)0x200006d8 = 0x100;
  *(uint16_t*)0x200006dc = 0xa;
  *(uint16_t*)0x200006de = htobe16(0x4e22);
  *(uint32_t*)0x200006e0 = 0xa;
  *(uint64_t*)0x200006e4 = htobe64(0);
  *(uint64_t*)0x200006ec = htobe64(1);
  *(uint32_t*)0x200006f4 = 5;
  *(uint16_t*)0x200006f8 = 9;
  *(uint32_t*)0x200006fc = 4;
  *(uint32_t*)0x20000700 = 6;
  *(uint32_t*)0x20000704 = 5;
  *(uint32_t*)0x20000708 = 0;
  *(uint32_t*)0x2000070c = 4;
  *(uint32_t*)0x20000710 = 9;
  *(uint32_t*)0x20000714 = 0x800;
  *(uint32_t*)0x20000718 = 1;
  syscall(__NR_setsockopt, r[3], 0x29, 0xd3, 0x200006c0, 0x5c);
  syscall(__NR_ioctl, -1, 0x4b33, 0x20000740);
  *(uint32_t*)0x200018c0 = 2;
  *(uint32_t*)0x200018c4 = 0x101;
  syscall(__NR_ioctl, r[4], 0x4008af14, 0x200018c0);
  *(uint32_t*)0x20001900 = 0;
  *(uint32_t*)0x20001904 = 0;
  *(uint32_t*)0x20001a00 = 8;
  res = syscall(__NR_getsockopt, r[4], 0x84, 0x6d, 0x20001900, 0x20001a00);
  if (res != -1)
    r[5] = *(uint32_t*)0x20001900;
  *(uint32_t*)0x20001a40 = r[5];
  *(uint16_t*)0x20001a44 = 0x5af;
  *(uint16_t*)0x20001a46 = 9;
  *(uint32_t*)0x20001a80 = 8;
  syscall(__NR_getsockopt, -1, 0x84, 0x7c, 0x20001a40, 0x20001a80);
  syscall(__NR_ioctl, r[3], 0x4b69, 0x20001ac0);
  *(uint64_t*)0x20001b00 = 6;
  *(uint32_t*)0x20001b08 = 0;
  *(uint32_t*)0x20001b0c = 0;
  syscall(__NR_ioctl, -1, 0x401070cd, 0x20001b00);
  memcpy((void*)0x20001b40, "/dev/sg#", 9);
  syz_open_dev(0x20001b40, 0x81, 0x4002);
  *(uint64_t*)0x20001b80 = 4;
  syscall(__NR_ioctl, -1, 0x40082404, 0x20001b80);
}

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) {
      for (;;) {
        if (chdir(cwd))
          fail("failed to chdir");
        use_temporary_dir();
        loop();
      }
    }
  }
  sleep(1000000);
  return 0;
}