// https://syzkaller.appspot.com/bug?id=febf2a3a65c7618da1328777be5892f5e2f13fe0
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

unsigned long long procid;

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 bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  int i;
  for (i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      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(__NR_socket, 2ul, 1ul, 0ul);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000580, "raw\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\000",
         32);
  *(uint32_t*)0x200005a0 = 2;
  *(uint32_t*)0x200005a4 = 3;
  *(uint32_t*)0x200005a8 = 0x310;
  *(uint32_t*)0x200005ac = 0;
  *(uint32_t*)0x200005b0 = 0;
  *(uint32_t*)0x200005b4 = 0x90;
  *(uint32_t*)0x200005b8 = 0x90;
  *(uint32_t*)0x200005bc = 0x90;
  *(uint32_t*)0x200005c0 = 0x278;
  *(uint32_t*)0x200005c4 = 0x278;
  *(uint32_t*)0x200005c8 = 0x278;
  *(uint32_t*)0x200005cc = 0x278;
  *(uint32_t*)0x200005d0 = 0x278;
  *(uint32_t*)0x200005d4 = 0x7fffffe;
  *(uint64_t*)0x200005d8 = 0;
  *(uint8_t*)0x200005e0 = 0;
  *(uint8_t*)0x200005e1 = 0;
  *(uint8_t*)0x200005e2 = 0;
  *(uint8_t*)0x200005e3 = 0;
  *(uint8_t*)0x200005e4 = 0;
  *(uint8_t*)0x200005e5 = 0;
  *(uint8_t*)0x200005e6 = 0;
  *(uint8_t*)0x200005e7 = 0;
  *(uint8_t*)0x200005e8 = 0;
  *(uint8_t*)0x200005e9 = 0;
  *(uint8_t*)0x200005ea = 0;
  *(uint8_t*)0x200005eb = 0;
  *(uint8_t*)0x200005ec = 0;
  *(uint8_t*)0x200005ed = 0;
  *(uint8_t*)0x200005ee = 0;
  *(uint8_t*)0x200005ef = 0;
  *(uint8_t*)0x200005f0 = 0;
  *(uint8_t*)0x200005f1 = 0;
  *(uint8_t*)0x200005f2 = 0;
  *(uint8_t*)0x200005f3 = 0;
  *(uint8_t*)0x200005f4 = 0;
  *(uint8_t*)0x200005f5 = 0;
  *(uint8_t*)0x200005f6 = 0;
  *(uint8_t*)0x200005f7 = 0;
  *(uint8_t*)0x200005f8 = 0;
  *(uint8_t*)0x200005f9 = 0;
  *(uint8_t*)0x200005fa = 0;
  *(uint8_t*)0x200005fb = 0;
  *(uint8_t*)0x200005fc = 0;
  *(uint8_t*)0x200005fd = 0;
  *(uint8_t*)0x200005fe = 0;
  *(uint8_t*)0x200005ff = 0;
  *(uint8_t*)0x20000600 = 0;
  *(uint8_t*)0x20000601 = 0;
  *(uint8_t*)0x20000602 = 0;
  *(uint8_t*)0x20000603 = 0;
  *(uint8_t*)0x20000604 = 0;
  *(uint8_t*)0x20000605 = 0;
  *(uint8_t*)0x20000606 = 0;
  *(uint8_t*)0x20000607 = 0;
  *(uint8_t*)0x20000608 = 0;
  *(uint8_t*)0x20000609 = 0;
  *(uint8_t*)0x2000060a = 0;
  *(uint8_t*)0x2000060b = 0;
  *(uint8_t*)0x2000060c = 0;
  *(uint8_t*)0x2000060d = 0;
  *(uint8_t*)0x2000060e = 0;
  *(uint8_t*)0x2000060f = 0;
  *(uint8_t*)0x20000610 = 0;
  *(uint8_t*)0x20000611 = 0;
  *(uint8_t*)0x20000612 = 0;
  *(uint8_t*)0x20000613 = 0;
  *(uint8_t*)0x20000614 = 0;
  *(uint8_t*)0x20000615 = 0;
  *(uint8_t*)0x20000616 = 0;
  *(uint8_t*)0x20000617 = 0;
  *(uint8_t*)0x20000618 = 0;
  *(uint8_t*)0x20000619 = 0;
  *(uint8_t*)0x2000061a = 0;
  *(uint8_t*)0x2000061b = 0;
  *(uint8_t*)0x2000061c = 0;
  *(uint8_t*)0x2000061d = 0;
  *(uint8_t*)0x2000061e = 0;
  *(uint8_t*)0x2000061f = 0;
  *(uint8_t*)0x20000620 = 0;
  *(uint8_t*)0x20000621 = 0;
  *(uint8_t*)0x20000622 = 0;
  *(uint8_t*)0x20000623 = 0;
  *(uint8_t*)0x20000624 = 0;
  *(uint8_t*)0x20000625 = 0;
  *(uint8_t*)0x20000626 = 0;
  *(uint8_t*)0x20000627 = 0;
  *(uint8_t*)0x20000628 = 0;
  *(uint8_t*)0x20000629 = 0;
  *(uint8_t*)0x2000062a = 0;
  *(uint8_t*)0x2000062b = 0;
  *(uint8_t*)0x2000062c = 0;
  *(uint8_t*)0x2000062d = 0;
  *(uint8_t*)0x2000062e = 0;
  *(uint8_t*)0x2000062f = 0;
  *(uint8_t*)0x20000630 = 0;
  *(uint8_t*)0x20000631 = 0;
  *(uint8_t*)0x20000632 = 0;
  *(uint8_t*)0x20000633 = 0;
  *(uint32_t*)0x20000634 = 0;
  *(uint16_t*)0x20000638 = 0x70;
  *(uint16_t*)0x2000063a = 0x90;
  *(uint32_t*)0x2000063c = 0;
  *(uint64_t*)0x20000640 = 0x6020000;
  *(uint64_t*)0x20000648 = 0;
  *(uint16_t*)0x20000650 = 0x20;
  memcpy((void*)0x20000652, "TRACE\000\000\000\000\000\000\000\000\000\000\000"
                            "\000\000\000\000\000\000\000\000\000\000\000\000"
                            "\000",
         29);
  *(uint8_t*)0x2000066f = 0;
  *(uint8_t*)0x20000670 = 0;
  *(uint8_t*)0x20000671 = 0;
  *(uint8_t*)0x20000672 = 0;
  *(uint8_t*)0x20000673 = 0;
  *(uint8_t*)0x20000674 = 0;
  *(uint8_t*)0x20000675 = 0;
  *(uint8_t*)0x20000676 = 0;
  *(uint8_t*)0x20000677 = 0;
  *(uint8_t*)0x20000678 = 0;
  *(uint8_t*)0x20000679 = 0;
  *(uint8_t*)0x2000067a = 0;
  *(uint8_t*)0x2000067b = 0;
  *(uint8_t*)0x2000067c = 0;
  *(uint8_t*)0x2000067d = 0;
  *(uint8_t*)0x2000067e = 0;
  *(uint8_t*)0x2000067f = 0;
  *(uint8_t*)0x20000680 = 0;
  *(uint8_t*)0x20000681 = 0;
  *(uint8_t*)0x20000682 = 0;
  *(uint8_t*)0x20000683 = 0;
  *(uint8_t*)0x20000684 = 0;
  *(uint8_t*)0x20000685 = 0;
  *(uint8_t*)0x20000686 = 0;
  *(uint8_t*)0x20000687 = 0;
  *(uint8_t*)0x20000688 = 0;
  *(uint8_t*)0x20000689 = 0;
  *(uint8_t*)0x2000068a = 0;
  *(uint8_t*)0x2000068b = 0;
  *(uint8_t*)0x2000068c = 0;
  *(uint8_t*)0x2000068d = 0;
  *(uint8_t*)0x2000068e = 0;
  *(uint8_t*)0x2000068f = 0;
  *(uint8_t*)0x20000690 = 0;
  *(uint8_t*)0x20000691 = 0;
  *(uint8_t*)0x20000692 = 0;
  *(uint8_t*)0x20000693 = 0;
  *(uint8_t*)0x20000694 = 0;
  *(uint8_t*)0x20000695 = 0;
  *(uint8_t*)0x20000696 = 0;
  *(uint8_t*)0x20000697 = 0;
  *(uint8_t*)0x20000698 = 0;
  *(uint8_t*)0x20000699 = 0;
  *(uint8_t*)0x2000069a = 0;
  *(uint8_t*)0x2000069b = 0;
  *(uint8_t*)0x2000069c = 0;
  *(uint8_t*)0x2000069d = 0;
  *(uint8_t*)0x2000069e = 0;
  *(uint8_t*)0x2000069f = 0;
  *(uint8_t*)0x200006a0 = 0;
  *(uint8_t*)0x200006a1 = 0;
  *(uint8_t*)0x200006a2 = 0;
  *(uint8_t*)0x200006a3 = 0;
  *(uint8_t*)0x200006a4 = 0;
  *(uint8_t*)0x200006a5 = 0;
  *(uint8_t*)0x200006a6 = 0;
  *(uint8_t*)0x200006a7 = 0;
  *(uint8_t*)0x200006a8 = 0;
  *(uint8_t*)0x200006a9 = 0;
  *(uint8_t*)0x200006aa = 0;
  *(uint8_t*)0x200006ab = 0;
  *(uint8_t*)0x200006ac = 0;
  *(uint8_t*)0x200006ad = 0;
  *(uint8_t*)0x200006ae = 0;
  *(uint8_t*)0x200006af = 0;
  *(uint8_t*)0x200006b0 = 0;
  *(uint8_t*)0x200006b1 = 0;
  *(uint8_t*)0x200006b2 = 0;
  *(uint8_t*)0x200006b3 = 0;
  *(uint8_t*)0x200006b4 = 0;
  *(uint8_t*)0x200006b5 = 0;
  *(uint8_t*)0x200006b6 = 0;
  *(uint8_t*)0x200006b7 = 0;
  *(uint8_t*)0x200006b8 = 0;
  *(uint8_t*)0x200006b9 = 0;
  *(uint8_t*)0x200006ba = 0;
  *(uint8_t*)0x200006bb = 0;
  *(uint8_t*)0x200006bc = 0;
  *(uint8_t*)0x200006bd = 0;
  *(uint8_t*)0x200006be = 0;
  *(uint8_t*)0x200006bf = 0;
  *(uint8_t*)0x200006c0 = 0;
  *(uint8_t*)0x200006c1 = 0;
  *(uint8_t*)0x200006c2 = 0;
  *(uint8_t*)0x200006c3 = 0;
  *(uint32_t*)0x200006c4 = 0;
  *(uint16_t*)0x200006c8 = 0x1c0;
  *(uint16_t*)0x200006ca = 0x1e8;
  *(uint32_t*)0x200006cc = 0;
  *(uint64_t*)0x200006d0 = 0;
  *(uint64_t*)0x200006d8 = 0;
  *(uint16_t*)0x200006e0 = 0x150;
  memcpy((void*)0x200006e2, "hashlimit\000\000\000\000\000\000\000\000\000\000"
                            "\000\000\000\000\000\000\000\000\000\000",
         29);
  *(uint8_t*)0x200006ff = 2;
  memcpy((void*)0x20000700,
         "vlan0\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\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\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"
         "\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\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\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\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\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\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",
         255);
  *(uint64_t*)0x20000800 = 0;
  *(uint64_t*)0x20000808 = 0xff5;
  *(uint32_t*)0x20000810 = 0;
  *(uint32_t*)0x20000814 = 0x20000000;
  *(uint32_t*)0x20000818 = 0;
  *(uint32_t*)0x2000081c = 3;
  *(uint32_t*)0x20000820 = 3;
  *(uint8_t*)0x20000824 = 0;
  *(uint8_t*)0x20000825 = 0;
  *(uint64_t*)0x20000828 = 0;
  *(uint16_t*)0x20000830 = 0x28;
  memcpy((void*)0x20000832, "NFQUEUE\000\000\000\000\000\000\000\000\000\000"
                            "\000\000\000\000\000\000\000\000\000\000\000\000",
         29);
  *(uint8_t*)0x2000084f = 3;
  *(uint16_t*)0x20000850 = 0;
  *(uint16_t*)0x20000852 = 7;
  *(uint16_t*)0x20000854 = 0;
  *(uint8_t*)0x20000858 = 0;
  *(uint8_t*)0x20000859 = 0;
  *(uint8_t*)0x2000085a = 0;
  *(uint8_t*)0x2000085b = 0;
  *(uint8_t*)0x2000085c = 0;
  *(uint8_t*)0x2000085d = 0;
  *(uint8_t*)0x2000085e = 0;
  *(uint8_t*)0x2000085f = 0;
  *(uint8_t*)0x20000860 = 0;
  *(uint8_t*)0x20000861 = 0;
  *(uint8_t*)0x20000862 = 0;
  *(uint8_t*)0x20000863 = 0;
  *(uint8_t*)0x20000864 = 0;
  *(uint8_t*)0x20000865 = 0;
  *(uint8_t*)0x20000866 = 0;
  *(uint8_t*)0x20000867 = 0;
  *(uint8_t*)0x20000868 = 0;
  *(uint8_t*)0x20000869 = 0;
  *(uint8_t*)0x2000086a = 0;
  *(uint8_t*)0x2000086b = 0;
  *(uint8_t*)0x2000086c = 0;
  *(uint8_t*)0x2000086d = 0;
  *(uint8_t*)0x2000086e = 0;
  *(uint8_t*)0x2000086f = 0;
  *(uint8_t*)0x20000870 = 0;
  *(uint8_t*)0x20000871 = 0;
  *(uint8_t*)0x20000872 = 0;
  *(uint8_t*)0x20000873 = 0;
  *(uint8_t*)0x20000874 = 0;
  *(uint8_t*)0x20000875 = 0;
  *(uint8_t*)0x20000876 = 0;
  *(uint8_t*)0x20000877 = 0;
  *(uint8_t*)0x20000878 = 0;
  *(uint8_t*)0x20000879 = 0;
  *(uint8_t*)0x2000087a = 0;
  *(uint8_t*)0x2000087b = 0;
  *(uint8_t*)0x2000087c = 0;
  *(uint8_t*)0x2000087d = 0;
  *(uint8_t*)0x2000087e = 0;
  *(uint8_t*)0x2000087f = 0;
  *(uint8_t*)0x20000880 = 0;
  *(uint8_t*)0x20000881 = 0;
  *(uint8_t*)0x20000882 = 0;
  *(uint8_t*)0x20000883 = 0;
  *(uint8_t*)0x20000884 = 0;
  *(uint8_t*)0x20000885 = 0;
  *(uint8_t*)0x20000886 = 0;
  *(uint8_t*)0x20000887 = 0;
  *(uint8_t*)0x20000888 = 0;
  *(uint8_t*)0x20000889 = 0;
  *(uint8_t*)0x2000088a = 0;
  *(uint8_t*)0x2000088b = 0;
  *(uint8_t*)0x2000088c = 0;
  *(uint8_t*)0x2000088d = 0;
  *(uint8_t*)0x2000088e = 0;
  *(uint8_t*)0x2000088f = 0;
  *(uint8_t*)0x20000890 = 0;
  *(uint8_t*)0x20000891 = 0;
  *(uint8_t*)0x20000892 = 0;
  *(uint8_t*)0x20000893 = 0;
  *(uint8_t*)0x20000894 = 0;
  *(uint8_t*)0x20000895 = 0;
  *(uint8_t*)0x20000896 = 0;
  *(uint8_t*)0x20000897 = 0;
  *(uint8_t*)0x20000898 = 0;
  *(uint8_t*)0x20000899 = 0;
  *(uint8_t*)0x2000089a = 0;
  *(uint8_t*)0x2000089b = 0;
  *(uint8_t*)0x2000089c = 0;
  *(uint8_t*)0x2000089d = 0;
  *(uint8_t*)0x2000089e = 0;
  *(uint8_t*)0x2000089f = 0;
  *(uint8_t*)0x200008a0 = 0;
  *(uint8_t*)0x200008a1 = 0;
  *(uint8_t*)0x200008a2 = 0;
  *(uint8_t*)0x200008a3 = 0;
  *(uint8_t*)0x200008a4 = 0;
  *(uint8_t*)0x200008a5 = 0;
  *(uint8_t*)0x200008a6 = 0;
  *(uint8_t*)0x200008a7 = 0;
  *(uint8_t*)0x200008a8 = 0;
  *(uint8_t*)0x200008a9 = 0;
  *(uint8_t*)0x200008aa = 0;
  *(uint8_t*)0x200008ab = 0;
  *(uint32_t*)0x200008ac = 0;
  *(uint16_t*)0x200008b0 = 0x70;
  *(uint16_t*)0x200008b2 = 0x98;
  *(uint32_t*)0x200008b4 = 0;
  *(uint64_t*)0x200008b8 = 0;
  *(uint64_t*)0x200008c0 = 0;
  *(uint16_t*)0x200008c8 = 0x28;
  memcpy((void*)0x200008ca, "\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\000",
         29);
  *(uint8_t*)0x200008e7 = 0;
  *(uint32_t*)0x200008e8 = 0xfffffffe;
  syscall(__NR_setsockopt, r[0], 0x4000000000000ul, 0x40ul, 0x20000580ul,
          0x584ul);
}
int main(void)
{
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x32ul, -1, 0);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}