// https://syzkaller.appspot.com/bug?id=f9c4b3f7f1cc085cdbb2db230c2b04a6edb1497a
// 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*)0x20000440, "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*)0x20000460 = 2;
  *(uint32_t*)0x20000464 = 3;
  *(uint32_t*)0x20000468 = 0x340;
  *(uint32_t*)0x2000046c = 0x1f0;
  *(uint32_t*)0x20000470 = 0x1f0;
  *(uint32_t*)0x20000474 = 0x1f0;
  *(uint32_t*)0x20000478 = 0x1f0;
  *(uint32_t*)0x2000047c = 0x1f0;
  *(uint32_t*)0x20000480 = 0x2a8;
  *(uint32_t*)0x20000484 = 0x2a8;
  *(uint32_t*)0x20000488 = 0x2a8;
  *(uint32_t*)0x2000048c = 0x2a8;
  *(uint32_t*)0x20000490 = 0x2a8;
  *(uint32_t*)0x20000494 = 3;
  *(uint64_t*)0x20000498 = 0;
  *(uint8_t*)0x200004a0 = 0xac;
  *(uint8_t*)0x200004a1 = 0x14;
  *(uint8_t*)0x200004a2 = 0x14;
  *(uint8_t*)0x200004a3 = 0xbb;
  *(uint32_t*)0x200004a4 = htobe32(0);
  *(uint32_t*)0x200004a8 = htobe32(0);
  *(uint32_t*)0x200004ac = htobe32(0);
  memcpy((void*)0x200004b0, "batadv0\000\000\000\000\000\000\000\000\000", 16);
  memcpy((void*)0x200004c0, "vcan0\000\000\000\000\000\000\000\000\000\000\000",
         16);
  *(uint8_t*)0x200004d0 = 0;
  *(uint8_t*)0x200004e0 = 0;
  *(uint16_t*)0x200004f0 = 0;
  *(uint8_t*)0x200004f2 = 0;
  *(uint8_t*)0x200004f3 = 0;
  *(uint32_t*)0x200004f4 = 0;
  *(uint16_t*)0x200004f8 = 0x1c8;
  *(uint16_t*)0x200004fa = 0x1f0;
  *(uint32_t*)0x200004fc = 0;
  *(uint64_t*)0x20000500 = 0;
  *(uint64_t*)0x20000508 = 0;
  *(uint16_t*)0x20000510 = 0x158;
  memcpy((void*)0x20000512, "hashlimit\000\000\000\000\000\000\000\000\000\000"
                            "\000\000\000\000\000\000\000\000\000\000",
         29);
  *(uint8_t*)0x2000052f = 3;
  memcpy((void*)0x20000530,
         "bridge_slave_"
         "1\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*)0x20000630 = 1;
  *(uint64_t*)0x20000638 = 0;
  *(uint32_t*)0x20000640 = 0x41;
  *(uint32_t*)0x20000644 = 0x20000000;
  *(uint32_t*)0x20000648 = 0;
  *(uint32_t*)0x2000064c = 5;
  *(uint32_t*)0x20000650 = 0xffff;
  *(uint32_t*)0x20000654 = 3;
  *(uint8_t*)0x20000658 = 0;
  *(uint8_t*)0x20000659 = 0;
  *(uint64_t*)0x20000660 = 0;
  *(uint16_t*)0x20000668 = 0x28;
  memcpy((void*)0x2000066a, "SYNPROXY\000\000\000\000\000\000\000\000\000\000"
                            "\000\000\000\000\000\000\000\000\000\000\000",
         29);
  *(uint8_t*)0x20000687 = 0;
  *(uint8_t*)0x20000688 = 0;
  *(uint8_t*)0x20000689 = 0;
  *(uint16_t*)0x2000068a = 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;
  *(uint8_t*)0x200006c4 = 0;
  *(uint8_t*)0x200006c5 = 0;
  *(uint8_t*)0x200006c6 = 0;
  *(uint8_t*)0x200006c7 = 0;
  *(uint8_t*)0x200006c8 = 0;
  *(uint8_t*)0x200006c9 = 0;
  *(uint8_t*)0x200006ca = 0;
  *(uint8_t*)0x200006cb = 0;
  *(uint8_t*)0x200006cc = 0;
  *(uint8_t*)0x200006cd = 0;
  *(uint8_t*)0x200006ce = 0;
  *(uint8_t*)0x200006cf = 0;
  *(uint8_t*)0x200006d0 = 0;
  *(uint8_t*)0x200006d1 = 0;
  *(uint8_t*)0x200006d2 = 0;
  *(uint8_t*)0x200006d3 = 0;
  *(uint8_t*)0x200006d4 = 0;
  *(uint8_t*)0x200006d5 = 0;
  *(uint8_t*)0x200006d6 = 0;
  *(uint8_t*)0x200006d7 = 0;
  *(uint8_t*)0x200006d8 = 0;
  *(uint8_t*)0x200006d9 = 0;
  *(uint8_t*)0x200006da = 0;
  *(uint8_t*)0x200006db = 0;
  *(uint8_t*)0x200006dc = 0;
  *(uint8_t*)0x200006dd = 0;
  *(uint8_t*)0x200006de = 0;
  *(uint8_t*)0x200006df = 0;
  *(uint8_t*)0x200006e0 = 0;
  *(uint8_t*)0x200006e1 = 0;
  *(uint8_t*)0x200006e2 = 0;
  *(uint8_t*)0x200006e3 = 0;
  *(uint32_t*)0x200006e4 = 0;
  *(uint16_t*)0x200006e8 = 0x70;
  *(uint16_t*)0x200006ea = 0xb8;
  *(uint32_t*)0x200006ec = 0;
  *(uint64_t*)0x200006f0 = 0;
  *(uint64_t*)0x200006f8 = 0;
  *(uint16_t*)0x20000700 = 0x48;
  memcpy((void*)0x20000702, "CT\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*)0x2000071f = 0;
  *(uint16_t*)0x20000720 = 0;
  *(uint16_t*)0x20000722 = 0;
  *(uint32_t*)0x20000724 = 0;
  *(uint32_t*)0x20000728 = 0;
  memcpy((void*)0x2000072c,
         "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000",
         16);
  *(uint64_t*)0x20000740 = 0;
  *(uint8_t*)0x20000748 = 0;
  *(uint8_t*)0x20000749 = 0;
  *(uint8_t*)0x2000074a = 0;
  *(uint8_t*)0x2000074b = 0;
  *(uint8_t*)0x2000074c = 0;
  *(uint8_t*)0x2000074d = 0;
  *(uint8_t*)0x2000074e = 0;
  *(uint8_t*)0x2000074f = 0;
  *(uint8_t*)0x20000750 = 0;
  *(uint8_t*)0x20000751 = 0;
  *(uint8_t*)0x20000752 = 0;
  *(uint8_t*)0x20000753 = 0;
  *(uint8_t*)0x20000754 = 0;
  *(uint8_t*)0x20000755 = 0;
  *(uint8_t*)0x20000756 = 0;
  *(uint8_t*)0x20000757 = 0;
  *(uint8_t*)0x20000758 = 0;
  *(uint8_t*)0x20000759 = 0;
  *(uint8_t*)0x2000075a = 0;
  *(uint8_t*)0x2000075b = 0;
  *(uint8_t*)0x2000075c = 0;
  *(uint8_t*)0x2000075d = 0;
  *(uint8_t*)0x2000075e = 0;
  *(uint8_t*)0x2000075f = 0;
  *(uint8_t*)0x20000760 = 0;
  *(uint8_t*)0x20000761 = 0;
  *(uint8_t*)0x20000762 = 0;
  *(uint8_t*)0x20000763 = 0;
  *(uint8_t*)0x20000764 = 0;
  *(uint8_t*)0x20000765 = 0;
  *(uint8_t*)0x20000766 = 0;
  *(uint8_t*)0x20000767 = 0;
  *(uint8_t*)0x20000768 = 0;
  *(uint8_t*)0x20000769 = 0;
  *(uint8_t*)0x2000076a = 0;
  *(uint8_t*)0x2000076b = 0;
  *(uint8_t*)0x2000076c = 0;
  *(uint8_t*)0x2000076d = 0;
  *(uint8_t*)0x2000076e = 0;
  *(uint8_t*)0x2000076f = 0;
  *(uint8_t*)0x20000770 = 0;
  *(uint8_t*)0x20000771 = 0;
  *(uint8_t*)0x20000772 = 0;
  *(uint8_t*)0x20000773 = 0;
  *(uint8_t*)0x20000774 = 0;
  *(uint8_t*)0x20000775 = 0;
  *(uint8_t*)0x20000776 = 0;
  *(uint8_t*)0x20000777 = 0;
  *(uint8_t*)0x20000778 = 0;
  *(uint8_t*)0x20000779 = 0;
  *(uint8_t*)0x2000077a = 0;
  *(uint8_t*)0x2000077b = 0;
  *(uint8_t*)0x2000077c = 0;
  *(uint8_t*)0x2000077d = 0;
  *(uint8_t*)0x2000077e = 0;
  *(uint8_t*)0x2000077f = 0;
  *(uint8_t*)0x20000780 = 0;
  *(uint8_t*)0x20000781 = 0;
  *(uint8_t*)0x20000782 = 0;
  *(uint8_t*)0x20000783 = 0;
  *(uint8_t*)0x20000784 = 0;
  *(uint8_t*)0x20000785 = 0;
  *(uint8_t*)0x20000786 = 0;
  *(uint8_t*)0x20000787 = 0;
  *(uint8_t*)0x20000788 = 0;
  *(uint8_t*)0x20000789 = 0;
  *(uint8_t*)0x2000078a = 0;
  *(uint8_t*)0x2000078b = 0;
  *(uint8_t*)0x2000078c = 0;
  *(uint8_t*)0x2000078d = 0;
  *(uint8_t*)0x2000078e = 0;
  *(uint8_t*)0x2000078f = 0;
  *(uint8_t*)0x20000790 = 0;
  *(uint8_t*)0x20000791 = 0;
  *(uint8_t*)0x20000792 = 0;
  *(uint8_t*)0x20000793 = 0;
  *(uint8_t*)0x20000794 = 0;
  *(uint8_t*)0x20000795 = 0;
  *(uint8_t*)0x20000796 = 0;
  *(uint8_t*)0x20000797 = 0;
  *(uint8_t*)0x20000798 = 0;
  *(uint8_t*)0x20000799 = 0;
  *(uint8_t*)0x2000079a = 0;
  *(uint8_t*)0x2000079b = 0;
  *(uint32_t*)0x2000079c = 0;
  *(uint16_t*)0x200007a0 = 0x70;
  *(uint16_t*)0x200007a2 = 0x98;
  *(uint32_t*)0x200007a4 = 0;
  *(uint64_t*)0x200007a8 = 0;
  *(uint64_t*)0x200007b0 = 0;
  *(uint16_t*)0x200007b8 = 0x28;
  memcpy((void*)0x200007ba, "\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*)0x200007d7 = 4;
  *(uint32_t*)0x200007d8 = 0xfffffffe;
  syscall(__NR_setsockopt, r[0], 0x4000000000000ul, 0x40ul, 0x20000440ul,
          0x3a0ul);
}
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;
}