// https://syzkaller.appspot.com/bug?id=ddc83e209f712ce63078e146f7c0fe63e1edbc2f
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdio.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.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 <stdint.h>
#include <string.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 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 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));
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

static void test();

void loop()
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      fail("loop fork failed");
    if (pid == 0) {
      prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
      setpgrp();
      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;
      }
    }
  }
}

long r[3];
void test()
{
  memset(r, -1, sizeof(r));
  syscall(__NR_mmap, 0x20000000, 0xfff000, 3, 0x32, -1, 0);
  r[0] = syscall(__NR_socket, 0x18, 1, 1);
  r[1] = syscall(__NR_socket, 2, 2, 0);
  r[2] = syscall(__NR_socket, 0x18, 1, 1);
  *(uint16_t*)0x20e92000 = 0x18;
  *(uint32_t*)0x20e92002 = 1;
  *(uint32_t*)0x20e92006 = 0;
  *(uint32_t*)0x20e9200a = r[1];
  *(uint16_t*)0x20e9200e = 2;
  *(uint16_t*)0x20e92010 = htobe16(0x4e21);
  *(uint8_t*)0x20e92012 = 0xac;
  *(uint8_t*)0x20e92013 = 0x14;
  *(uint8_t*)0x20e92014 = 0;
  *(uint8_t*)0x20e92015 = 0xbb;
  *(uint8_t*)0x20e92016 = 0;
  *(uint8_t*)0x20e92017 = 0;
  *(uint8_t*)0x20e92018 = 0;
  *(uint8_t*)0x20e92019 = 0;
  *(uint8_t*)0x20e9201a = 0;
  *(uint8_t*)0x20e9201b = 0;
  *(uint8_t*)0x20e9201c = 0;
  *(uint8_t*)0x20e9201d = 0;
  *(uint32_t*)0x20e9201e = 2;
  *(uint32_t*)0x20e92022 = 0;
  *(uint32_t*)0x20e92026 = 4;
  *(uint32_t*)0x20e9202a = 0;
  syscall(__NR_connect, r[2], 0x20e92000, 0x2e);
  syscall(__NR_close, r[1]);
  memcpy((void*)0x209aafee, "/dev/snd/midiC#D#", 18);
  syz_open_dev(0x209aafee, 1, 0x400);
  *(uint64_t*)0x20a7cf88 = 8;
  *(uint16_t*)0x20a7cf90 = 2;
  *(uint16_t*)0x20a7cf92 = htobe16(0x4e23);
  *(uint8_t*)0x20a7cf94 = 0xac;
  *(uint8_t*)0x20a7cf95 = 0x14;
  *(uint8_t*)0x20a7cf96 = 0;
  *(uint8_t*)0x20a7cf97 = 0xaa;
  *(uint8_t*)0x20a7cf98 = 0;
  *(uint8_t*)0x20a7cf99 = 0;
  *(uint8_t*)0x20a7cf9a = 0;
  *(uint8_t*)0x20a7cf9b = 0;
  *(uint8_t*)0x20a7cf9c = 0;
  *(uint8_t*)0x20a7cf9d = 0;
  *(uint8_t*)0x20a7cf9e = 0;
  *(uint8_t*)0x20a7cf9f = 0;
  *(uint16_t*)0x20a7cfa0 = 2;
  *(uint16_t*)0x20a7cfa2 = htobe16(0x4e22);
  *(uint32_t*)0x20a7cfa4 = htobe32(0xe0000002);
  *(uint8_t*)0x20a7cfa8 = 0;
  *(uint8_t*)0x20a7cfa9 = 0;
  *(uint8_t*)0x20a7cfaa = 0;
  *(uint8_t*)0x20a7cfab = 0;
  *(uint8_t*)0x20a7cfac = 0;
  *(uint8_t*)0x20a7cfad = 0;
  *(uint8_t*)0x20a7cfae = 0;
  *(uint8_t*)0x20a7cfaf = 0;
  *(uint16_t*)0x20a7cfb0 = 2;
  *(uint16_t*)0x20a7cfb2 = htobe16(0x4e21);
  *(uint32_t*)0x20a7cfb4 = htobe32(-1);
  *(uint8_t*)0x20a7cfb8 = 0;
  *(uint8_t*)0x20a7cfb9 = 0;
  *(uint8_t*)0x20a7cfba = 0;
  *(uint8_t*)0x20a7cfbb = 0;
  *(uint8_t*)0x20a7cfbc = 0;
  *(uint8_t*)0x20a7cfbd = 0;
  *(uint8_t*)0x20a7cfbe = 0;
  *(uint8_t*)0x20a7cfbf = 0;
  *(uint16_t*)0x20a7cfc0 = 0;
  *(uint16_t*)0x20a7cfc2 = 7;
  *(uint64_t*)0x20a7cfc8 = 5;
  *(uint64_t*)0x20a7cfd0 = 0x60aafa7f;
  *(uint16_t*)0x20a7cfd8 = 0xdaca;
  *(uint64_t*)0x20a7cfe0 = 0x20000000;
  *(uint64_t*)0x20a7cfe8 = 3;
  *(uint64_t*)0x20a7cff0 = 0x1ff;
  *(uint16_t*)0x20a7cff8 = 0;
  syscall(__NR_ioctl, r[1], 0x890b, 0x20a7cf88);
  *(uint16_t*)0x208adfd2 = 0x18;
  *(uint32_t*)0x208adfd4 = 1;
  *(uint32_t*)0x208adfd8 = 0;
  *(uint32_t*)0x208adfdc = r[1];
  *(uint16_t*)0x208adfe0 = 2;
  *(uint16_t*)0x208adfe2 = htobe16(0x4e22);
  *(uint32_t*)0x208adfe4 = htobe32(2);
  *(uint8_t*)0x208adfe8 = 0;
  *(uint8_t*)0x208adfe9 = 0;
  *(uint8_t*)0x208adfea = 0;
  *(uint8_t*)0x208adfeb = 0;
  *(uint8_t*)0x208adfec = 0;
  *(uint8_t*)0x208adfed = 0;
  *(uint8_t*)0x208adfee = 0;
  *(uint8_t*)0x208adfef = 0;
  *(uint32_t*)0x208adff0 = 2;
  *(uint32_t*)0x208adff4 = 0;
  *(uint32_t*)0x208adff8 = 4;
  *(uint32_t*)0x208adffc = 1;
  syscall(__NR_connect, r[0], 0x208adfd2, 0x2e);
}

int main()
{
  for (;;) {
    loop();
  }
}