// https://syzkaller.appspot.com/bug?id=541216bb311fb12f4df117951b14f231d7907bf6
// 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;
  res = syscall(SYS_socket, /*domain=*/2ul, /*type=*/1ul, /*proto=*/0);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000080,
         "rack\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000\000\000\000",
         32);
  *(uint32_t*)0x200000a0 = 0;
  syscall(SYS_setsockopt, /*fd=*/r[0], /*level=*/6, /*optname=*/0x2000,
          /*optval=*/0x20000080ul, /*optlen=*/0x24ul);
  *(uint8_t*)0x200001c0 = 0x10;
  *(uint8_t*)0x200001c1 = 2;
  *(uint16_t*)0x200001c2 = htobe16(0x4e22);
  *(uint32_t*)0x200001c4 = htobe32(0x7f000001);
  memset((void*)0x200001c8, 0, 8);
  syscall(SYS_bind, /*fd=*/r[0], /*addr=*/0x200001c0ul, /*addrlen=*/0x10ul);
  *(uint8_t*)0x200000c0 = 0x10;
  *(uint8_t*)0x200000c1 = 2;
  *(uint16_t*)0x200000c2 = htobe16(0x4e22);
  *(uint32_t*)0x200000c4 = htobe32(0x7f000001);
  memset((void*)0x200000c8, 0, 8);
  syscall(SYS_connect, /*fd=*/r[0], /*addr=*/0x200000c0ul, /*addrlen=*/0x10ul);
  memcpy((void*)0x20000240,
         "freebsd\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000\000",
         32);
  *(uint32_t*)0x20000260 = 0;
  syscall(SYS_setsockopt, /*fd=*/r[0], /*level=*/6, /*optname=*/0x2000,
          /*optval=*/0x20000240ul, /*optlen=*/0x24ul);
  memcpy(
      (void*)0x20000100,
      "\xea\xc5\x52\x6a\x3f\x53\xe4\x5b\x51\x43\x23\x2a\xd1\x2f\xe2\xf8\xb8\x86"
      "\x54\x0c\x5d\x96\x65\x45\x7c\x67\x06\x01\xdf\xfb\x41\xd2\xe1\x9d\x49\xe5"
      "\xdb\x3e\x19\x18\x59\x69\x94\xac\xc8\x65\xd3\x8f\x40\xfd\xfe\x10\x9d\xef"
      "\x32\xe8\x64\xd3\x39\x3c\xc2\x88\xd6\x6f\x1f\x9d\xed\xc9\xb8\xb5\xf3\xab"
      "\x72\x83\x81\x9d\xa5\x7e\xf6\x93\x21\xb8\x10\xf2\x02\xb5\x12\xfc\xa2\xc0"
      "\x27\x50\x6a\xbc\xbc\x39\x24\xe8\x1b\x90\x1d\xa1\xd3\x82\x81\x95\x27\x2a"
      "\xb0\x68\x26\x12\xae\x60\xdb\xc7\x9a\xb8\xd0\x16\xe9\x80\x92\xbc\xbb\x93"
      "\x79\x69\xff\x69\x4b\x1a\x47\x4e\x5b\x23\x03\xa3\x36\x2b\xfc\x0a\x34\xf0"
      "\xda\x9b\xce\x4f\x1f\x87\x9e\x17\x6e\xd5\x3a\xf8\x70\x10\xd2\x83\x4a\x71"
      "\x98\xd5\x47\xde\x43\x63\xaa\x98\x0d\x79\xd4\x8b\x5c",
      175);
  syscall(SYS_sendto, /*fd=*/r[0], /*buf=*/0x20000100ul, /*len=*/0xaful,
          /*f=*/0x20004ul, /*addr=*/0ul, /*addrlen=*/0ul);
  memcpy((void*)0x20000000,
         "rack\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000\000\000\000",
         32);
  *(uint32_t*)0x20000020 = 0;
  syscall(SYS_setsockopt, /*fd=*/r[0], /*level=*/6, /*optname=*/0x2000,
          /*optval=*/0x20000000ul, /*optlen=*/0x24ul);
  memcpy(
      (void*)0x20000100,
      "\xea\xc5\x52\x6a\x3f\x53\xe4\x5b\x51\x43\x23\x2a\xd1\x2f\xe2\xf8\xb8\x86"
      "\x54\x0c\x5d\x96\x65\x45\x7c\x67\x06\x01\xdf\xfb\x41\xd2\xe1\x9d\x49\xe5"
      "\xdb\x3e\x19\x18\x59\x69\x94\xac\xc8\x65\xd3\x8f\x40\xfd\xfe\x10\x9d\xef"
      "\x32\xe8\x64\xd3\x39\x3c\xc2\x88\xd6\x6f\x1f\x9d\xed\xc9\xb8\xb5\xf3\xab"
      "\x72\x83\x81\x9d\xa5\x7e\xf6\x93\x21\xb8\x10\xf2\x02\xb5\x12\xfc\xa2\xc0"
      "\x27\x50\x6a\xbc\xbc\x39\x24\xe8\x1b\x90\x1d\xa1\xd3\x82\x81\x95\x27\x2a"
      "\xb0\x68\x26\x12\xae\x60\xdb\xc7\x9a\xb8\xd0\x16\xe9\x80\x92\xbc\xbb\x93"
      "\x79\x69\xff\x69\x4b\x1a\x47\x4e\x5b\x23\x03\xa3\x36\x2b\xfc\x0a\x34\xf0"
      "\xda\x9b\xce\x4f\x1f\x87\x9e\x17\x6e\xd5\x3a\xf8\x70\x10\xd2\x83\x4a\x71"
      "\x98\xd5\x47\xde\x43\x63\xaa\x98\x0d\x79\xd4\x8b\x5c",
      175);
  syscall(SYS_sendto, /*fd=*/r[0], /*buf=*/0x20000100ul, /*len=*/0xaful,
          /*f=*/0x20004ul, /*addr=*/0ul, /*addrlen=*/0ul);
}
int main(void)
{
  syscall(SYS_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul,
          /*flags=*/0x1012ul, /*fd=*/-1, /*offset=*/0ul);
  loop();
  return 0;
}