// https://syzkaller.appspot.com/bug?id=a11cf051e0660beba5fb039428c8a133b4f75030
// 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*)0x20000540, "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*)0x20000560 = 2;
  *(uint32_t*)0x20000564 = 3;
  *(uint32_t*)0x20000568 = 0x2b8;
  *(uint32_t*)0x2000056c = 0x128;
  *(uint32_t*)0x20000570 = 0;
  *(uint32_t*)0x20000574 = 0;
  *(uint32_t*)0x20000578 = 0;
  *(uint32_t*)0x2000057c = 0x128;
  *(uint32_t*)0x20000580 = 0x220;
  *(uint32_t*)0x20000584 = 0x220;
  *(uint32_t*)0x20000588 = 0x220;
  *(uint32_t*)0x2000058c = 0x220;
  *(uint32_t*)0x20000590 = 0x220;
  *(uint32_t*)0x20000594 = 3;
  *(uint64_t*)0x20000598 = 0;
  *(uint32_t*)0x200005a0 = htobe32(0);
  *(uint32_t*)0x200005a4 = htobe32(-1);
  *(uint32_t*)0x200005a8 = htobe32(0);
  *(uint32_t*)0x200005ac = htobe32(0);
  memcpy((void*)0x200005b0, "macvlan1\000\000\000\000\000\000\000\000", 16);
  memcpy((void*)0x200005c0,
         "sit0\000\000\000\000\000\000\000\000\000\000\000\000", 16);
  *(uint8_t*)0x200005d0 = 0;
  *(uint8_t*)0x200005e0 = 0;
  *(uint16_t*)0x200005f0 = 0;
  *(uint8_t*)0x200005f2 = 0;
  *(uint8_t*)0x200005f3 = 0;
  *(uint32_t*)0x200005f4 = 0;
  *(uint16_t*)0x200005f8 = 0xc8;
  *(uint16_t*)0x200005fa = 0x128;
  *(uint32_t*)0x200005fc = 0;
  *(uint64_t*)0x20000600 = 0;
  *(uint64_t*)0x20000608 = 0;
  *(uint16_t*)0x20000610 = 0x58;
  memcpy((void*)0x20000612, "hashlimit\000\000\000\000\000\000\000\000\000\000"
                            "\000\000\000\000\000\000\000\000\000\000",
         29);
  *(uint8_t*)0x2000062f = 1;
  memcpy((void*)0x20000630, "vxcan1\000\000\000\000\000\000\000\000\000\000",
         16);
  *(uint32_t*)0x20000640 = 0;
  *(uint32_t*)0x20000644 = 0;
  *(uint32_t*)0x20000648 = 0x200;
  *(uint32_t*)0x2000064c = 0x12020000;
  *(uint32_t*)0x20000650 = 0;
  *(uint32_t*)0x20000654 = 1;
  *(uint32_t*)0x20000658 = 9;
  *(uint8_t*)0x2000065c = 0;
  *(uint8_t*)0x2000065d = 0;
  *(uint64_t*)0x20000660 = 0;
  *(uint16_t*)0x20000668 = 0x60;
  memcpy((void*)0x2000066a, "HMARK\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*)0x20000687 = 0;
  *(uint64_t*)0x20000688 = htobe64(0);
  *(uint64_t*)0x20000690 = htobe64(1);
  *(uint32_t*)0x20000698 = htobe32(0);
  *(uint32_t*)0x2000069c = htobe32(0);
  *(uint32_t*)0x200006a0 = htobe32(0);
  *(uint32_t*)0x200006a4 = htobe32(0);
  *(uint16_t*)0x200006a8 = htobe16(0);
  *(uint16_t*)0x200006aa = htobe16(0);
  *(uint16_t*)0x200006ac = htobe16(0);
  *(uint16_t*)0x200006ae = htobe16(0);
  *(uint32_t*)0x200006b0 = 0;
  *(uint16_t*)0x200006b4 = 0;
  *(uint32_t*)0x200006b8 = 0;
  *(uint32_t*)0x200006bc = 0;
  *(uint32_t*)0x200006c0 = 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;
  *(uint8_t*)0x200006e4 = 0;
  *(uint8_t*)0x200006e5 = 0;
  *(uint8_t*)0x200006e6 = 0;
  *(uint8_t*)0x200006e7 = 0;
  *(uint8_t*)0x200006e8 = 0;
  *(uint8_t*)0x200006e9 = 0;
  *(uint8_t*)0x200006ea = 0;
  *(uint8_t*)0x200006eb = 0;
  *(uint8_t*)0x200006ec = 0;
  *(uint8_t*)0x200006ed = 0;
  *(uint8_t*)0x200006ee = 0;
  *(uint8_t*)0x200006ef = 0;
  *(uint8_t*)0x200006f0 = 0;
  *(uint8_t*)0x200006f1 = 0;
  *(uint8_t*)0x200006f2 = 0;
  *(uint8_t*)0x200006f3 = 0;
  *(uint8_t*)0x200006f4 = 0;
  *(uint8_t*)0x200006f5 = 0;
  *(uint8_t*)0x200006f6 = 0;
  *(uint8_t*)0x200006f7 = 0;
  *(uint8_t*)0x200006f8 = 0;
  *(uint8_t*)0x200006f9 = 0;
  *(uint8_t*)0x200006fa = 0;
  *(uint8_t*)0x200006fb = 0;
  *(uint8_t*)0x200006fc = 0;
  *(uint8_t*)0x200006fd = 0;
  *(uint8_t*)0x200006fe = 0;
  *(uint8_t*)0x200006ff = 0;
  *(uint8_t*)0x20000700 = 0;
  *(uint8_t*)0x20000701 = 0;
  *(uint8_t*)0x20000702 = 0;
  *(uint8_t*)0x20000703 = 0;
  *(uint8_t*)0x20000704 = 0;
  *(uint8_t*)0x20000705 = 0;
  *(uint8_t*)0x20000706 = 0;
  *(uint8_t*)0x20000707 = 0;
  *(uint8_t*)0x20000708 = 0;
  *(uint8_t*)0x20000709 = 0;
  *(uint8_t*)0x2000070a = 0;
  *(uint8_t*)0x2000070b = 0;
  *(uint8_t*)0x2000070c = 0;
  *(uint8_t*)0x2000070d = 0;
  *(uint8_t*)0x2000070e = 0;
  *(uint8_t*)0x2000070f = 0;
  *(uint8_t*)0x20000710 = 0;
  *(uint8_t*)0x20000711 = 0;
  *(uint8_t*)0x20000712 = 0;
  *(uint8_t*)0x20000713 = 0;
  *(uint8_t*)0x20000714 = 0;
  *(uint8_t*)0x20000715 = 0;
  *(uint8_t*)0x20000716 = 0;
  *(uint8_t*)0x20000717 = 0;
  *(uint8_t*)0x20000718 = 0;
  *(uint8_t*)0x20000719 = 0;
  *(uint8_t*)0x2000071a = 0;
  *(uint8_t*)0x2000071b = 0;
  *(uint32_t*)0x2000071c = 0;
  *(uint16_t*)0x20000720 = 0x98;
  *(uint16_t*)0x20000722 = 0xf8;
  *(uint32_t*)0x20000724 = 0;
  *(uint64_t*)0x20000728 = 0;
  *(uint64_t*)0x20000730 = 0;
  *(uint16_t*)0x20000738 = 0x28;
  memcpy((void*)0x2000073a, "rpfilter\000\000\000\000\000\000\000\000\000\000"
                            "\000\000\000\000\000\000\000\000\000\000\000",
         29);
  *(uint8_t*)0x20000757 = 0;
  *(uint8_t*)0x20000758 = 0;
  *(uint16_t*)0x20000760 = 0x60;
  memcpy((void*)0x20000762, "SET\000\000\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*)0x2000077f = 0;
  *(uint16_t*)0x20000780 = 0;
  *(uint32_t*)0x20000784 = 0;
  *(uint32_t*)0x20000788 = 0;
  *(uint32_t*)0x2000078c = 0;
  *(uint32_t*)0x20000790 = 0;
  *(uint32_t*)0x20000794 = 0;
  *(uint32_t*)0x20000798 = 0;
  *(uint8_t*)0x2000079c = 0;
  *(uint8_t*)0x2000079d = 0;
  *(uint16_t*)0x200007a0 = 0;
  *(uint32_t*)0x200007a4 = 0;
  *(uint32_t*)0x200007a8 = 0;
  *(uint32_t*)0x200007ac = 0;
  *(uint32_t*)0x200007b0 = 0;
  *(uint32_t*)0x200007b4 = 0;
  *(uint32_t*)0x200007b8 = 0;
  *(uint8_t*)0x200007bc = 0;
  *(uint8_t*)0x200007bd = 0;
  *(uint8_t*)0x200007c0 = 0;
  *(uint8_t*)0x200007c1 = 0;
  *(uint8_t*)0x200007c2 = 0;
  *(uint8_t*)0x200007c3 = 0;
  *(uint8_t*)0x200007c4 = 0;
  *(uint8_t*)0x200007c5 = 0;
  *(uint8_t*)0x200007c6 = 0;
  *(uint8_t*)0x200007c7 = 0;
  *(uint8_t*)0x200007c8 = 0;
  *(uint8_t*)0x200007c9 = 0;
  *(uint8_t*)0x200007ca = 0;
  *(uint8_t*)0x200007cb = 0;
  *(uint8_t*)0x200007cc = 0;
  *(uint8_t*)0x200007cd = 0;
  *(uint8_t*)0x200007ce = 0;
  *(uint8_t*)0x200007cf = 0;
  *(uint8_t*)0x200007d0 = 0;
  *(uint8_t*)0x200007d1 = 0;
  *(uint8_t*)0x200007d2 = 0;
  *(uint8_t*)0x200007d3 = 0;
  *(uint8_t*)0x200007d4 = 0;
  *(uint8_t*)0x200007d5 = 0;
  *(uint8_t*)0x200007d6 = 0;
  *(uint8_t*)0x200007d7 = 0;
  *(uint8_t*)0x200007d8 = 0;
  *(uint8_t*)0x200007d9 = 0;
  *(uint8_t*)0x200007da = 0;
  *(uint8_t*)0x200007db = 0;
  *(uint8_t*)0x200007dc = 0;
  *(uint8_t*)0x200007dd = 0;
  *(uint8_t*)0x200007de = 0;
  *(uint8_t*)0x200007df = 0;
  *(uint8_t*)0x200007e0 = 0;
  *(uint8_t*)0x200007e1 = 0;
  *(uint8_t*)0x200007e2 = 0;
  *(uint8_t*)0x200007e3 = 0;
  *(uint8_t*)0x200007e4 = 0;
  *(uint8_t*)0x200007e5 = 0;
  *(uint8_t*)0x200007e6 = 0;
  *(uint8_t*)0x200007e7 = 0;
  *(uint8_t*)0x200007e8 = 0;
  *(uint8_t*)0x200007e9 = 0;
  *(uint8_t*)0x200007ea = 0;
  *(uint8_t*)0x200007eb = 0;
  *(uint8_t*)0x200007ec = 0;
  *(uint8_t*)0x200007ed = 0;
  *(uint8_t*)0x200007ee = 0;
  *(uint8_t*)0x200007ef = 0;
  *(uint8_t*)0x200007f0 = 0;
  *(uint8_t*)0x200007f1 = 0;
  *(uint8_t*)0x200007f2 = 0;
  *(uint8_t*)0x200007f3 = 0;
  *(uint8_t*)0x200007f4 = 0;
  *(uint8_t*)0x200007f5 = 0;
  *(uint8_t*)0x200007f6 = 0;
  *(uint8_t*)0x200007f7 = 0;
  *(uint8_t*)0x200007f8 = 0;
  *(uint8_t*)0x200007f9 = 0;
  *(uint8_t*)0x200007fa = 0;
  *(uint8_t*)0x200007fb = 0;
  *(uint8_t*)0x200007fc = 0;
  *(uint8_t*)0x200007fd = 0;
  *(uint8_t*)0x200007fe = 0;
  *(uint8_t*)0x200007ff = 0;
  *(uint8_t*)0x20000800 = 0;
  *(uint8_t*)0x20000801 = 0;
  *(uint8_t*)0x20000802 = 0;
  *(uint8_t*)0x20000803 = 0;
  *(uint8_t*)0x20000804 = 0;
  *(uint8_t*)0x20000805 = 0;
  *(uint8_t*)0x20000806 = 0;
  *(uint8_t*)0x20000807 = 0;
  *(uint8_t*)0x20000808 = 0;
  *(uint8_t*)0x20000809 = 0;
  *(uint8_t*)0x2000080a = 0;
  *(uint8_t*)0x2000080b = 0;
  *(uint8_t*)0x2000080c = 0;
  *(uint8_t*)0x2000080d = 0;
  *(uint8_t*)0x2000080e = 0;
  *(uint8_t*)0x2000080f = 0;
  *(uint8_t*)0x20000810 = 0;
  *(uint8_t*)0x20000811 = 0;
  *(uint8_t*)0x20000812 = 0;
  *(uint8_t*)0x20000813 = 0;
  *(uint32_t*)0x20000814 = 0;
  *(uint16_t*)0x20000818 = 0x70;
  *(uint16_t*)0x2000081a = 0x98;
  *(uint32_t*)0x2000081c = 0;
  *(uint64_t*)0x20000820 = 0;
  *(uint64_t*)0x20000828 = 0;
  *(uint16_t*)0x20000830 = 0x28;
  memcpy((void*)0x20000832, "\000\000\000\000\000\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*)0x2000084f = 4;
  *(uint32_t*)0x20000850 = 0xfffffffe;
  syscall(__NR_setsockopt, r[0], 0x4000000000000ul, 0x40ul, 0x20000540ul,
          0x318ul);
}
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;
}