// https://syzkaller.appspot.com/bug?id=b6aff64ebd79a1ee5ee7e787ca5b8673ba722226
// 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 < 5000) {
        continue;
      }
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000000, "/dev/pf\000", 8);
  res = syscall(SYS_openat, 0xffffffffffffff9cul, 0x20000000ul, 2ul, 0ul);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x200000c0 = 0;
  *(uint32_t*)0x200000c8 = 0xa;
  *(uint64_t*)0x200000d0 = 0x20000600;
  *(uint64_t*)0x20000600 = 0x20000bc0;
  memcpy(
      (void*)0x20000bc0,
      "\xc5\x3e\x07\xc9\x42\xb7\xc0\x1d\xbe\xa1\xea\x1e\x39\x0e\x85\xa6\x03\x2a"
      "\x79\x73\x75\xf8\x08\xec\x01\x64\x03\x61\xeb\x87\x4c\x3d\x8d\x48\xd1\x0a"
      "\x5c\x25\xb1\xff\x26\xd4\x8e\xe8\xd0\x3d\x8c\x5c\xa1\x24\x7c\xc8\x6f\x42"
      "\x02\xcd\x6c\x47\x95\x2e\x44\xf7\x21\x9d\x76\xfb\x1f\xe1\x3a\x72\xaf\xae"
      "\x83\x71\x09\xf9\x1c\xf3\xa0\x9b\x58\xb3\x0d\x6d\x3f\x0a\xf7\xa1\x36\x9b"
      "\x08\x5e\xfa\x5d\xca\xe9\xb2\x53\x62\x19\xfc\x00\x2d\x96\x35\xc9\xfa\x7c"
      "\x30\x24\x64\xe5\x9a\xef\x0a\xdf\x26\xa0\x8c\xc9\xf6\xfc\x6a\x64\x26\x4d"
      "\x1d\x66\xa9\x29\xbc\x13\x95\xd6\xef\xee\x78\x4a\x0d\x31\x96\x57\xc6\xb8"
      "\xa8\x4a\xb5\xe6\xd1\x02\x6a\x15\x02\xf1\x08\x09\x56\xc7\x63\xd3\xe1\x88"
      "\x84\xff\x30\x2e\x90\x5c\x55\xa2\x95\x78\x5b\x91\xa5\x7a\xbb\x80\x1b\x26"
      "\x4a\xb8\x9e\x92\x9e\x0f\xf2\xe6\x51\xae\x3c\xa7",
      192);
  *(uint64_t*)0x20000608 = 0xc0;
  *(uint64_t*)0x20000610 = 0x20000900;
  memcpy(
      (void*)0x20000900,
      "\x8c\x28\x0c\xb7\xa6\x23\x44\xf9\x47\x39\xe4\x4b\xe9\xc1\x8a\x8a\xaf\x49"
      "\xb9\x06\xe1\x71\xbf\xde\x04\x1e\x9d\x04\x75\x5e\xdc\xe0\x35\xab\xed\x8c"
      "\xfc\xc6\xb6\x15\x87\x06\x17\xb3\x09\x9c\xb2\x57\x1e\xb9\x95\x1d\x95\x36"
      "\x2e\xe8\x3b\xf0\x52\x8c\x52\xdd\xcf\xa2\x36\x39\xe9\xcd\x85\xb8\x08\xd7"
      "\x88\x8a\x64\xae\x33\xd3\x63\x6c\xa9\x6c\x56\x84\x7a\x52\xc8\x82\xc0\x88"
      "\x88\x6a\x1f\x75\x47\x2c\xcd\x35\xe8\x7f\x8e\xb3\x44\xc9\x6f\x5c\xba\x1b"
      "\xc6\xce\xf0\xa0\x30\x09\x8f\x01\x91\x2e\xd0\xd3\xca\x24\xc9\x49\x19\x18"
      "\x80\xa1\x93\x2e\x30\x11\x94\x0c\xbd\x50\xb6\xf2\xd3\xb9\xfd\x8f\xdb\x45"
      "\xcc\x0c\xe2\x48\x04\xae\x37\x16\x2e\x62\xc9\x27\xd3\x00\x3b\xa1\x0b\x88"
      "\xd2\xa5\x7b\x3f\xdd\x3d\x09\x2c\xdf\xc9\x69\x36\x8a\xf5\xff\xaa\x45\x17"
      "\x24\x55\x67\x61\x28\xd3\x0d\xb5\x54\x09\x26\x70\xed\xe8\x69\x8c\x2c\x79"
      "\x65\xbd\xd2\xa6\xb4\x95\x89\x19\xf1\x46\x3f\x96\x07\x4b\x9e\xa6\x21\xae"
      "\xd9\x33\x47\x8f\x0a\x2b\x74\xdc\xc4\x00\x96\x7a\xff\x3d\x90\xed\x7a\x49"
      "\xb5\xa4\x78\xb4\xda\x78\xc6\x11\x10\x6b\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00",
      256);
  *(uint64_t*)0x20000618 = 0x100;
  *(uint64_t*)0x20000620 = 0;
  *(uint64_t*)0x20000628 = 0;
  *(uint64_t*)0x200000d8 = 3;
  *(uint64_t*)0x200000e0 = 0;
  *(uint64_t*)0x200000e8 = 0xd0;
  *(uint32_t*)0x200000f0 = 0;
  syscall(SYS_sendmsg, -1, 0x200000c0ul, 4ul);
  syscall(SYS_ioctl, r[0], 0xcbe04404ul, 0x20000040ul);
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x1012ul, -1, 0ul);
  loop();
  return 0;
}