// https://syzkaller.appspot.com/bug?id=abb6cc54bd2802dfdeb0978f7adf870325b80f92
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <errno.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <sys/prctl.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 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;
      }
    }
  }
}

#ifndef __NR_bpf
#define __NR_bpf 321
#endif

long r[63];
void test()
{
  memset(r, -1, sizeof(r));
  r[0] = syscall(__NR_mmap, 0x20000000ul, 0xfff000ul, 0x3ul, 0x32ul,
                 0xfffffffffffffffful, 0x0ul);
  *(uint32_t*)0x20feffe8 = (uint32_t)0xffffffffffffffff;
  *(uint64_t*)0x20fefff0 = (uint64_t)0x20eed000;
  *(uint64_t*)0x20fefff8 = (uint64_t)0x20feffaf;
  r[4] = syscall(__NR_bpf, 0x4ul, 0x20feffe8ul, 0x18ul);
  r[5] = syscall(__NR_socket, 0x2ul, 0x1ul, 0x0ul);
  *(uint64_t*)0x20001000 = (uint64_t)0x0;
  *(uint16_t*)0x20001008 = (uint16_t)0x2;
  *(uint16_t*)0x2000100a = (uint16_t)0x204e;
  *(uint32_t*)0x2000100c = (uint32_t)0x10000e0;
  *(uint8_t*)0x20001010 = (uint8_t)0x0;
  *(uint8_t*)0x20001011 = (uint8_t)0x0;
  *(uint8_t*)0x20001012 = (uint8_t)0x0;
  *(uint8_t*)0x20001013 = (uint8_t)0x0;
  *(uint8_t*)0x20001014 = (uint8_t)0x0;
  *(uint8_t*)0x20001015 = (uint8_t)0x0;
  *(uint8_t*)0x20001016 = (uint8_t)0x0;
  *(uint8_t*)0x20001017 = (uint8_t)0x0;
  *(uint16_t*)0x20001018 = (uint16_t)0x2;
  *(uint16_t*)0x2000101a = (uint16_t)0x204e;
  *(uint32_t*)0x2000101c = (uint32_t)0x10000e0;
  *(uint8_t*)0x20001020 = (uint8_t)0x0;
  *(uint8_t*)0x20001021 = (uint8_t)0x0;
  *(uint8_t*)0x20001022 = (uint8_t)0x0;
  *(uint8_t*)0x20001023 = (uint8_t)0x0;
  *(uint8_t*)0x20001024 = (uint8_t)0x0;
  *(uint8_t*)0x20001025 = (uint8_t)0x0;
  *(uint8_t*)0x20001026 = (uint8_t)0x0;
  *(uint8_t*)0x20001027 = (uint8_t)0x0;
  *(uint16_t*)0x20001028 = (uint16_t)0x2;
  *(uint16_t*)0x2000102a = (uint16_t)0x204e;
  *(uint32_t*)0x2000102c = (uint32_t)0x20000e0;
  *(uint8_t*)0x20001030 = (uint8_t)0x0;
  *(uint8_t*)0x20001031 = (uint8_t)0x0;
  *(uint8_t*)0x20001032 = (uint8_t)0x0;
  *(uint8_t*)0x20001033 = (uint8_t)0x0;
  *(uint8_t*)0x20001034 = (uint8_t)0x0;
  *(uint8_t*)0x20001035 = (uint8_t)0x0;
  *(uint8_t*)0x20001036 = (uint8_t)0x0;
  *(uint8_t*)0x20001037 = (uint8_t)0x0;
  *(uint16_t*)0x20001038 = (uint16_t)0x0;
  *(uint16_t*)0x2000103a = (uint16_t)0x0;
  *(uint64_t*)0x20001040 = (uint64_t)0x0;
  *(uint64_t*)0x20001048 = (uint64_t)0x0;
  *(uint16_t*)0x20001050 = (uint16_t)0x2;
  *(uint64_t*)0x20001058 = (uint64_t)0x20000000;
  *(uint64_t*)0x20001060 = (uint64_t)0x0;
  *(uint64_t*)0x20001068 = (uint64_t)0x0;
  *(uint16_t*)0x20001070 = (uint16_t)0x0;
  r[49] =
      syscall(__NR_ioctl, 0xfffffffffffffffful, 0x890bul, 0x20001000ul);
  *(uint32_t*)0x20001000 = (uint32_t)0xe;
  *(uint32_t*)0x20001004 = (uint32_t)0x0;
  *(uint32_t*)0x20001008 = (uint32_t)0x0;
  *(uint32_t*)0x2000100c = (uint32_t)0x4;
  *(uint32_t*)0x20001010 = (uint32_t)0x0;
  *(uint32_t*)0x20001014 = (uint32_t)0xfffffffffffffffe;
  *(uint32_t*)0x20001018 = (uint32_t)0x1000;
  *(uint32_t*)0x2000101c = (uint32_t)0x0;
  *(uint32_t*)0x20001020 = (uint32_t)0x100002;
  *(uint32_t*)0x20001024 = (uint32_t)0xffffffffffff188e;
  r[60] = syscall(__NR_setsockopt, 0xfffffffffffffffful, 0x6ul, 0x16ul,
                  0x20001000ul, 0x5ul);
  *(uint32_t*)0x20000ffc = (uint32_t)0x0;
  r[62] = syscall(__NR_setsockopt, r[5], 0x0ul, 0x10000000000040ul,
                  0x20000ffcul, 0x4ul);
}

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