// https://syzkaller.appspot.com/bug?id=86b765f077631bfe5058f698155b2b0da8bcdbc5
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <sys/types.h>

#include <pwd.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/endian.h>
#include <sys/syscall.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

static void kill_and_wait(int pid, int* status)
{
  kill(pid, SIGKILL);
  while (waitpid(-1, status, 0) != pid) {
  }
}

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static void execute_one(void);

#define WAIT_FLAGS 0

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  res = syscall(SYS_kqueue);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x20000240 = 0xbe;
  *(uint16_t*)0x20000248 = 0xfffe;
  *(uint16_t*)0x2000024a = 4;
  *(uint32_t*)0x2000024c = 8;
  *(uint64_t*)0x20000250 = 2;
  *(uint64_t*)0x20000258 = 5;
  *(uint64_t*)0x20000260 = 0xff;
  *(uint64_t*)0x20000268 = 5;
  *(uint64_t*)0x20000270 = 2;
  *(uint64_t*)0x20000278 = 0;
  *(uint64_t*)0x20000280 = 2;
  *(uint16_t*)0x20000288 = 0xfff9;
  *(uint16_t*)0x2000028a = 1;
  *(uint32_t*)0x2000028c = 8;
  *(uint64_t*)0x20000290 = 5;
  *(uint64_t*)0x20000298 = 0x20;
  *(uint64_t*)0x200002a0 = 2;
  *(uint64_t*)0x200002a8 = 3;
  *(uint64_t*)0x200002b0 = 0x200;
  *(uint64_t*)0x200002b8 = 0xfffffffffffff001;
  *(uint64_t*)0x200002c0 = 4;
  *(uint16_t*)0x200002c8 = 0xfff9;
  *(uint16_t*)0x200002ca = 0x20;
  *(uint32_t*)0x200002cc = 0xffffff;
  *(uint64_t*)0x200002d0 = 0x5537;
  *(uint64_t*)0x200002d8 = 5;
  *(uint64_t*)0x200002e0 = 0xfff;
  *(uint64_t*)0x200002e8 = 9;
  *(uint64_t*)0x200002f0 = 0xfff;
  *(uint64_t*)0x200002f8 = 0x101;
  *(uint64_t*)0x20000300 = 8;
  *(uint16_t*)0x20000308 = 0xfffc;
  *(uint16_t*)0x2000030a = 1;
  *(uint32_t*)0x2000030c = 0x10;
  *(uint64_t*)0x20000310 = 1;
  *(uint64_t*)0x20000318 = 7;
  *(uint64_t*)0x20000320 = 8;
  *(uint64_t*)0x20000328 = 0xffff;
  *(uint64_t*)0x20000330 = 0xfffffffffffffff8;
  *(uint64_t*)0x20000338 = 0x81;
  *(uint64_t*)0x20000340 = 0x920;
  *(uint16_t*)0x20000348 = 0xfffc;
  *(uint16_t*)0x2000034a = 0x8006;
  *(uint32_t*)0x2000034c = 0x40000000;
  *(uint64_t*)0x20000350 = 0x6861;
  *(uint64_t*)0x20000358 = 3;
  *(uint64_t*)0x20000360 = 9;
  *(uint64_t*)0x20000368 = 5;
  *(uint64_t*)0x20000370 = 4;
  *(uint64_t*)0x20000378 = 0x83;
  *(uint64_t*)0x20000380 = 0xe35;
  *(uint16_t*)0x20000388 = 0xfff5;
  *(uint16_t*)0x2000038a = 0x4002;
  *(uint32_t*)0x2000038c = 0x40000000;
  *(uint64_t*)0x20000390 = 5;
  *(uint64_t*)0x20000398 = 9;
  *(uint64_t*)0x200003a0 = 7;
  *(uint64_t*)0x200003a8 = 6;
  *(uint64_t*)0x200003b0 = 0x3f;
  *(uint64_t*)0x200003b8 = 7;
  *(uint64_t*)0x200003c0 = 5;
  *(uint16_t*)0x200003c8 = 0xfffa;
  *(uint16_t*)0x200003ca = 0x4041;
  *(uint32_t*)0x200003cc = 0xc0000000;
  *(uint64_t*)0x200003d0 = 0x20;
  *(uint64_t*)0x200003d8 = 0xfff;
  *(uint64_t*)0x200003e0 = 1;
  *(uint64_t*)0x200003e8 = 6;
  *(uint64_t*)0x200003f0 = 1;
  *(uint64_t*)0x200003f8 = 0xffff;
  *(uint64_t*)0x20000400 = 8;
  *(uint16_t*)0x20000408 = 0xfff8;
  *(uint16_t*)0x2000040a = 0x409c;
  *(uint32_t*)0x2000040c = 0x100;
  *(uint64_t*)0x20000410 = 0x860;
  *(uint64_t*)0x20000418 = 6;
  *(uint64_t*)0x20000420 = 0;
  *(uint64_t*)0x20000428 = 0xfffffffffffffff9;
  *(uint64_t*)0x20000430 = 0x10000;
  *(uint64_t*)0x20000438 = 0x401;
  syscall(SYS_kevent, r[0], 0x20000240ul, 8ul, 0x20000400ul, 2ul, 0ul);
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x1012ul, -1, 0ul);
  loop();
  return 0;
}