// https://syzkaller.appspot.com/bug?id=bd3860e571a12c18739719a7aff638acc9fe4072
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <errno.h>
#include <signal.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

const int kFailStatus = 67;
const int kRetryStatus = 69;

__attribute__((noreturn)) static void doexit(int status)
{
  volatile unsigned i;
  syscall(__NR_exit_group, status);
  for (i = 0;; i++) {
  }
}

__attribute__((noreturn)) static void fail(const char* msg, ...)
{
  int e = errno;
  fflush(stdout);
  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);
}

__attribute__((noreturn)) static void exitf(const char* msg, ...)
{
  int e = errno;
  fflush(stdout);
  va_list args;
  va_start(args, msg);
  vfprintf(stderr, msg, args);
  va_end(args);
  fprintf(stderr, " (errno %d)\n", e);
  doexit(kRetryStatus);
}

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 test();

void loop()
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      fail("clone 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[71];
void test()
{
  memset(r, -1, sizeof(r));
  r[0] = syscall(__NR_mmap, 0x20000000ul, 0xfff000ul, 0x3ul, 0x32ul,
                 0xfffffffffffffffful, 0x0ul);
  memcpy((void*)0x20aeaff7, "\x2f\x64\x65\x76\x2f\x6b\x76\x6d\x00", 9);
  r[2] = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20aeaff7ul, 0x0ul,
                 0x0ul);
  r[3] = syscall(__NR_ioctl, r[2], 0xae01ul, 0x0ul);
  r[4] = syscall(__NR_eventfd2, 0x0ul, 0x0ul);
  r[5] = syscall(__NR_eventfd2, 0x100000000ul, 0x800ul);
  *(uint32_t*)0x20080fe0 = r[4];
  *(uint32_t*)0x20080fe4 = (uint32_t)0x0;
  *(uint32_t*)0x20080fe8 = (uint32_t)0x2;
  *(uint32_t*)0x20080fec = r[5];
  *(uint8_t*)0x20080ff0 = (uint8_t)0x0;
  *(uint8_t*)0x20080ff1 = (uint8_t)0x0;
  *(uint8_t*)0x20080ff2 = (uint8_t)0x0;
  *(uint8_t*)0x20080ff3 = (uint8_t)0x0;
  *(uint8_t*)0x20080ff4 = (uint8_t)0x0;
  *(uint8_t*)0x20080ff5 = (uint8_t)0x0;
  *(uint8_t*)0x20080ff6 = (uint8_t)0x0;
  *(uint8_t*)0x20080ff7 = (uint8_t)0x0;
  *(uint8_t*)0x20080ff8 = (uint8_t)0x0;
  *(uint8_t*)0x20080ff9 = (uint8_t)0x0;
  *(uint8_t*)0x20080ffa = (uint8_t)0x0;
  *(uint8_t*)0x20080ffb = (uint8_t)0x0;
  *(uint8_t*)0x20080ffc = (uint8_t)0x0;
  *(uint8_t*)0x20080ffd = (uint8_t)0x0;
  *(uint8_t*)0x20080ffe = (uint8_t)0x0;
  *(uint8_t*)0x20080fff = (uint8_t)0x0;
  r[26] = syscall(__NR_ioctl, r[3], 0x4020ae76ul, 0x20080fe0ul);
  r[27] = syscall(__NR_semget, 0x798e2633ul, 0x3ul, 0x80ul);
  r[28] = syscall(__NR_semctl, r[27], 0x0ul, 0xdul, 0x20a4b000ul);
  *(uint32_t*)0x2073df74 = (uint32_t)0x0;
  *(uint16_t*)0x2073df78 = (uint16_t)0xa;
  *(uint16_t*)0x2073df7a = (uint16_t)0x214e;
  *(uint32_t*)0x2073df7c = (uint32_t)0x9;
  *(uint8_t*)0x2073df80 = (uint8_t)0xfe;
  *(uint8_t*)0x2073df81 = (uint8_t)0x80;
  *(uint8_t*)0x2073df82 = (uint8_t)0x0;
  *(uint8_t*)0x2073df83 = (uint8_t)0x0;
  *(uint8_t*)0x2073df84 = (uint8_t)0x0;
  *(uint8_t*)0x2073df85 = (uint8_t)0x0;
  *(uint8_t*)0x2073df86 = (uint8_t)0x0;
  *(uint8_t*)0x2073df87 = (uint8_t)0x0;
  *(uint8_t*)0x2073df88 = (uint8_t)0x0;
  *(uint8_t*)0x2073df89 = (uint8_t)0x0;
  *(uint8_t*)0x2073df8a = (uint8_t)0x0;
  *(uint8_t*)0x2073df8b = (uint8_t)0x0;
  *(uint8_t*)0x2073df8c = (uint8_t)0x0;
  *(uint8_t*)0x2073df8d = (uint8_t)0x0;
  *(uint8_t*)0x2073df8e = (uint8_t)0x0;
  *(uint8_t*)0x2073df8f = (uint8_t)0xaa;
  *(uint32_t*)0x2073df90 = (uint32_t)0xffffffffffff0001;
  *(uint64_t*)0x2073df98 = (uint64_t)0x0;
  *(uint64_t*)0x2073dfa0 = (uint64_t)0x0;
  *(uint64_t*)0x2073dfa8 = (uint64_t)0x0;
  *(uint64_t*)0x2073dfb0 = (uint64_t)0x0;
  *(uint64_t*)0x2073dfb8 = (uint64_t)0x0;
  *(uint64_t*)0x2073dfc0 = (uint64_t)0x0;
  *(uint64_t*)0x2073dfc8 = (uint64_t)0x0;
  *(uint64_t*)0x2073dfd0 = (uint64_t)0x0;
  *(uint64_t*)0x2073dfd8 = (uint64_t)0x0;
  *(uint64_t*)0x2073dfe0 = (uint64_t)0x0;
  *(uint64_t*)0x2073dfe8 = (uint64_t)0x0;
  *(uint64_t*)0x2073dff0 = (uint64_t)0x0;
  r[62] = syscall(__NR_setsockopt, 0xfffffffffffffffful, 0x84ul, 0x5ul,
                  0x2073df74ul, 0x8cul);
  *(uint32_t*)0x20aee000 = (uint32_t)0x3;
  r[64] = syscall(__NR_setsockopt, 0xfffffffffffffffful, 0x84ul, 0x7ul,
                  0x20aee000ul, 0x4ul);
  *(uint16_t*)0x20451000 = (uint16_t)0x26;
  memcpy((void*)0x20451002,
         "\x61\x65\x61\x64\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         14);
  *(uint32_t*)0x20451010 = (uint32_t)0x0;
  *(uint32_t*)0x20451014 = (uint32_t)0x40000000;
  memcpy((void*)0x20451018,
         "\x6c\x7a\x34\x68\x63\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00",
         64);
  r[70] =
      syscall(__NR_bind, 0xfffffffffffffffful, 0x20451000ul, 0x58ul);
}

int main()
{
  int i;
  for (i = 0; i < 8; i++) {
    if (fork() == 0) {
      loop();
      return 0;
    }
  }
  sleep(1000000);
  return 0;
}