// https://syzkaller.appspot.com/bug?id=9d4d1ef1910a28c58fc7741a3c832dfc409ae2bd
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.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/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#ifndef SYS_compat_50_mknod
#define SYS_compat_50_mknod 14
#endif
#ifndef SYS_mmap
#define SYS_mmap 197
#endif
#ifndef SYS_msgctl
#define SYS_msgctl 444
#endif
#ifndef SYS_open
#define SYS_open 5
#endif
#ifndef SYS_pwritev
#define SYS_pwritev 290
#endif

static unsigned long long procid;

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 < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  *(uint32_t*)0x20000280 = 0;
  *(uint32_t*)0x20000284 = -1;
  *(uint32_t*)0x20000288 = 0;
  *(uint32_t*)0x2000028c = 0;
  *(uint32_t*)0x20000290 = 0;
  *(uint32_t*)0x20000294 = 0;
  *(uint16_t*)0x20000298 = 0;
  *(uint16_t*)0x2000029a = 0;
  *(uint64_t*)0x200002a0 = 0;
  *(uint64_t*)0x200002a8 = 0;
  *(uint64_t*)0x200002b0 = 0;
  *(uint64_t*)0x200002b8 = 5;
  *(uint32_t*)0x200002c0 = -1;
  *(uint32_t*)0x200002c4 = 0;
  *(uint64_t*)0x200002c8 = 0;
  *(uint64_t*)0x200002d0 = 0;
  *(uint64_t*)0x200002d8 = 0;
  *(uint64_t*)0x200002e0 = 0;
  *(uint64_t*)0x200002e8 = 0;
  *(uint64_t*)0x200002f0 = 0;
  syscall(SYS_msgctl, 0, 1ul, 0x20000280ul);
  memcpy((void*)0x20000080, "./file0\000", 8);
  syscall(SYS_compat_50_mknod, 0x20000080ul, 0x2000ul, 0x3b03);
  memcpy((void*)0x20000000, "./file0\000", 8);
  res = syscall(SYS_open, 0x20000000ul, 1ul, 0ul);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x20000040 = 0x200000c0;
  memcpy((void*)0x200000c0, "\x06\xf5", 2);
  *(uint64_t*)0x20000048 = 0xfcc7;
  *(uint64_t*)0x20000050 = 0x200001c0;
  memcpy((void*)0x200001c0,
         "\x3a\xbd\x89\xb2\x47\x8a\x0d\x07\x1f\x3c\xc7\x31\xef\xa1\x1b\x46\x4b"
         "\x07\x19\x3b\xfa\x92\xe2\xc5\x34\x87\xf4\xb8\x33\x9f\x2a\x0c\x6e\x66"
         "\x90\xd0\x1c\x8e\xa1\x29\x69\xf5\x73\x61\x19\x13\xa3\x58\x99\x5f\x29"
         "\x83\xb9\x50\x84\x07\x2c\x15\x42\x5e\x31\xa0\xa3\x61\x30\x9e\xbf\xd4"
         "\x22\x6a\x58\xa9\xd0\x4c\x18\x99\xb7\xad\x82\x07\x82\xac\x26\x1f\x8b"
         "\xf8\x61\x66\xba\x4e\xdf\xf4\x42\x5c\x91\x76\xb7\x71\x4c\x39\xdc\x25"
         "\xac\xc9\x62\xf4\xe0\xa1\xe9\xad\xc6\xae\x32\x8e\x7d\xba\x13\x88\x7c"
         "\x64\x70\xca\xcc\x8b\xcd\x27\x72\x78\x1c\x2f\x21\x28\xba\x71\x7b\x76"
         "\xbc\x15\x28\xd5\x52\x20\xa5\x0c\x7a\xfa\x86\x69\x10\x40\x95\x4c\xc8"
         "\xfd\x08\x8e\xe7\x12\xff\x89\x32\x8e\xf3\x87\x00\x00\x5f\x50\x92\x43"
         "\xab\x53\x36\x14\x94\x70\xad\xcf\x91\x61\xa7\x4f",
         182);
  *(uint64_t*)0x20000058 = 3;
  syscall(SYS_pwritev, r[0], 0x20000040ul, 2ul, 0ul);
  {
    int i;
    for (i = 0; i < 32; i++) {
      syscall(SYS_pwritev, r[0], 0x20000040ul, 2ul, 0ul);
    }
  }
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x1012ul, -1, 0ul, 0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}